#824 Process source files in bulk: replace tabs with spaces, convert CRLF to LF, and trim trailing whitespaces as needed

1 files changed, 1332 insertions, 1332 deletions

diff --git a/indra/newview/llfloateruipreview.cpp b/indra/newview/llfloateruipreview.cpp
index 553d09bec2..4db76c7971 100644
--- a/indra/newview/llfloateruipreview.cpp
+++ b/indra/newview/llfloateruipreview.cpp
@@ -5,21 +5,21 @@
  * $LicenseInfo:firstyear=2008&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2010, Linden Research, Inc.
- * 
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation;
  * version 2.1 of the License only.
- * 
+ *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
+ *
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
@@ -30,9 +30,9 @@
 
 // *TODO: Translate error messgaes using notifications/alerts.xml
 
-#include "llviewerprecompiledheaders.h"	// Precompiled headers
+#include "llviewerprecompiledheaders.h" // Precompiled headers
 
-#include "llfloateruipreview.h"			// Own header
+#include "llfloateruipreview.h"         // Own header
 
 // Internal utility
 #include "lldiriterator.h"
@@ -56,10 +56,10 @@
 #include "lltooltip.h"
 #include "llviewermenu.h"
 #include "llrngwriter.h"
-#include "llfloater.h"			// superclass
+#include "llfloater.h"          // superclass
 #include "llfloaterreg.h"
-#include "llscrollcontainer.h"	// scroll container for overlapping elements
-#include "lllivefile.h"					// live file poll/stat/reload
+#include "llscrollcontainer.h"  // scroll container for overlapping elements
+#include "lllivefile.h"                 // live file poll/stat/reload
 #include "llviewermenufile.h" // LLFilePickerReplyThread
 
 // Boost (for linux/unix command-line execv)
@@ -84,8 +84,8 @@ static LLDefaultChildRegistry::Register<LLOverlapPanel> register_overlap_panel("
 
 static std::string get_xui_dir()
 {
-	std::string delim = gDirUtilp->getDirDelimiter();
-	return gDirUtilp->getSkinBaseDir() + delim + "default" + delim + "xui" + delim;
+    std::string delim = gDirUtilp->getDirDelimiter();
+    return gDirUtilp->getSkinBaseDir() + delim + "default" + delim + "xui" + delim;
 }
 
 // Forward declarations to avoid header dependencies
@@ -107,115 +107,115 @@ class LLPreviewedFloater;
 class LLOverlapPanel : public LLPanel
 {
 public:
-	struct Params : public LLInitParam::Block<Params, LLPanel::Params>
-	{
-		Params() {}
-	};
-	LLOverlapPanel(Params p = Params()) : LLPanel(p),
-		mSpacing(10),
-		// mClickedElement(NULL),
-		mLastClickedElement(NULL)
-	{
-		mOriginalWidth = getRect().getWidth();
-		mOriginalHeight = getRect().getHeight();
-	}
-	virtual void draw();
-	
-	typedef std::map<LLView*, std::list<LLView*> >	OverlapMap;
-	OverlapMap mOverlapMap;						// map, of XUI element to a list of XUI elements it overlaps
-	
-	// LLView *mClickedElement;
-	LLView *mLastClickedElement;
-	int mOriginalWidth, mOriginalHeight, mSpacing;
+    struct Params : public LLInitParam::Block<Params, LLPanel::Params>
+    {
+        Params() {}
+    };
+    LLOverlapPanel(Params p = Params()) : LLPanel(p),
+        mSpacing(10),
+        // mClickedElement(NULL),
+        mLastClickedElement(NULL)
+    {
+        mOriginalWidth = getRect().getWidth();
+        mOriginalHeight = getRect().getHeight();
+    }
+    virtual void draw();
+
+    typedef std::map<LLView*, std::list<LLView*> >  OverlapMap;
+    OverlapMap mOverlapMap;                     // map, of XUI element to a list of XUI elements it overlaps
+
+    // LLView *mClickedElement;
+    LLView *mLastClickedElement;
+    int mOriginalWidth, mOriginalHeight, mSpacing;
 };
 
 
 class LLFloaterUIPreview : public LLFloater
 {
 public:
-	// Setup
-	LLFloaterUIPreview(const LLSD& key);
-	virtual ~LLFloaterUIPreview();
-
-	std::string getLocStr(S32 ID);							// fetches the localization string based on what is selected in the drop-down menu
-	void displayFloater(BOOL click, S32 ID);			// needs to be public so live file can call it when it finds an update
-
-	/*virtual*/ BOOL postBuild();
-	/*virtual*/ void onClose(bool app_quitting);
-
-	void refreshList();										// refresh list (empty it out and fill it up from scratch)
-	void addFloaterEntry(const std::string& path);			// add a single file's entry to the list of floaters
-	
-	static BOOL containerType(LLView* viewp);				// check if the element is a container type and tree traverses need to look at its children
-	
-public:	
-	LLPreviewedFloater*			mDisplayedFloater;			// the floater which is currently being displayed
-	LLPreviewedFloater*			mDisplayedFloater_2;			// the floater which is currently being displayed
-	LLGUIPreviewLiveFile*		mLiveFile;					// live file for checking for updates to the currently-displayed XML file
-	LLOverlapPanel*				mOverlapPanel;				// custom overlapping elements panel
-	// BOOL						mHighlightingDiffs;			// bool for whether localization diffs are being highlighted or not
-	BOOL						mHighlightingOverlaps;		// bool for whether overlapping elements are being highlighted
-
-	// typedef std::map<std::string,std::pair<std::list<std::string>,std::list<std::string> > > DiffMap; // this version copies the lists etc., and thus is bad memory-wise
-	typedef std::list<std::string> StringList;
-	typedef std::shared_ptr<StringList> StringListPtr;
-	typedef std::map<std::string, std::pair<StringListPtr,StringListPtr> > DiffMap;
-	DiffMap mDiffsMap;							// map, of filename to pair of list of changed element paths and list of errors
+    // Setup
+    LLFloaterUIPreview(const LLSD& key);
+    virtual ~LLFloaterUIPreview();
+
+    std::string getLocStr(S32 ID);                          // fetches the localization string based on what is selected in the drop-down menu
+    void displayFloater(BOOL click, S32 ID);            // needs to be public so live file can call it when it finds an update
+
+    /*virtual*/ BOOL postBuild();
+    /*virtual*/ void onClose(bool app_quitting);
+
+    void refreshList();                                     // refresh list (empty it out and fill it up from scratch)
+    void addFloaterEntry(const std::string& path);          // add a single file's entry to the list of floaters
+
+    static BOOL containerType(LLView* viewp);               // check if the element is a container type and tree traverses need to look at its children
+
+public:
+    LLPreviewedFloater*         mDisplayedFloater;          // the floater which is currently being displayed
+    LLPreviewedFloater*         mDisplayedFloater_2;            // the floater which is currently being displayed
+    LLGUIPreviewLiveFile*       mLiveFile;                  // live file for checking for updates to the currently-displayed XML file
+    LLOverlapPanel*             mOverlapPanel;              // custom overlapping elements panel
+    // BOOL                     mHighlightingDiffs;         // bool for whether localization diffs are being highlighted or not
+    BOOL                        mHighlightingOverlaps;      // bool for whether overlapping elements are being highlighted
+
+    // typedef std::map<std::string,std::pair<std::list<std::string>,std::list<std::string> > > DiffMap; // this version copies the lists etc., and thus is bad memory-wise
+    typedef std::list<std::string> StringList;
+    typedef std::shared_ptr<StringList> StringListPtr;
+    typedef std::map<std::string, std::pair<StringListPtr,StringListPtr> > DiffMap;
+    DiffMap mDiffsMap;                          // map, of filename to pair of list of changed element paths and list of errors
 
 private:
-	LLExternalEditor mExternalEditor;
-
-	// XUI elements for this floater
-	LLScrollListCtrl*			mFileList;							// scroll list control for file list
-	LLLineEditor*				mEditorPathTextBox;					// text field for path to editor executable
-	LLLineEditor*				mEditorArgsTextBox;					// text field for arguments to editor executable
-	LLLineEditor*				mDiffPathTextBox;					// text field for path to diff file
-	LLButton*					mDisplayFloaterBtn;					// button to display primary floater
-	LLButton*					mDisplayFloaterBtn_2;				// button to display secondary floater
-	LLButton*					mEditFloaterBtn;					// button to edit floater
-	LLButton*					mExecutableBrowseButton;			// button to browse for executable
-	LLButton*					mCloseOtherButton;					// button to close primary displayed floater
-	LLButton*					mCloseOtherButton_2;				// button to close secondary displayed floater
-	LLButton*					mDiffBrowseButton;					// button to browse for diff file
-	LLButton*					mToggleHighlightButton;				// button to toggle highlight of files/elements with diffs
-	LLButton*					mToggleOverlapButton;				// button to togle overlap panel/highlighting
-	LLComboBox*					mLanguageSelection;					// combo box for primary language selection
-	LLComboBox*					mLanguageSelection_2;				// combo box for secondary language selection
-	S32							mLastDisplayedX, mLastDisplayedY;	// stored position of last floater so the new one opens up in the same place
-	std::string 				mDelim;								// the OS-specific delimiter character (/ or \) (*TODO: this shouldn't be needed, right?)
-
-	std::string					mSavedEditorPath;					// stored editor path so closing this floater doesn't reset it
-	std::string					mSavedEditorArgs;					// stored editor args so closing this floater doesn't reset it
-	std::string					mSavedDiffPath;						// stored diff file path so closing this floater doesn't reset it
-
-	// Internal functionality
-	static void popupAndPrintWarning(const std::string& warning);	// pop up a warning
-	std::string getLocalizedDirectory();							// build and return the path to the XUI directory for the currently-selected localization
-	void scanDiffFile(LLXmlTreeNode* file_node);					// scan a given XML node for diff entries and highlight them in its associated file
-	void highlightChangedElements();								// look up the list of elements to highlight and highlight them in the current floater
-	void highlightChangedFiles();									// look up the list of changed files to highlight and highlight them in the scroll list
-	void findOverlapsInChildren(LLView* parent);					// fill the map below with element overlap information
-	static BOOL overlapIgnorable(LLView* viewp);					// check it the element can be ignored for overlap/localization purposes
-
-	// check if two elements overlap using their rectangles
-	// used instead of llrect functions because by adding a few pixels of leeway I can cut down drastically on the number of overlaps
-	BOOL elementOverlap(LLView* view1, LLView* view2);
-
-	// Button/drop-down action listeners (self explanatory)
-	void onClickDisplayFloater(S32 id);
-	void onClickSaveFloater(S32 id);
-	void onClickSaveAll(S32 id);
-	void onClickEditFloater();
-	void onClickBrowseForEditor();
-	void getExecutablePath(const std::vector<std::string>& filenames);
-	void onClickBrowseForDiffs();
-	void getDiffsFilePath(const std::vector<std::string>& filenames);
-	void onClickToggleDiffHighlighting();
-	void onClickToggleOverlapping();
-	void onClickCloseDisplayedFloater(S32 id);
-	void onLanguageComboSelect(LLUICtrl* ctrl);
-	void onClickExportSchema();
-	void onClickShowRectangles(const LLSD& data);
+    LLExternalEditor mExternalEditor;
+
+    // XUI elements for this floater
+    LLScrollListCtrl*           mFileList;                          // scroll list control for file list
+    LLLineEditor*               mEditorPathTextBox;                 // text field for path to editor executable
+    LLLineEditor*               mEditorArgsTextBox;                 // text field for arguments to editor executable
+    LLLineEditor*               mDiffPathTextBox;                   // text field for path to diff file
+    LLButton*                   mDisplayFloaterBtn;                 // button to display primary floater
+    LLButton*                   mDisplayFloaterBtn_2;               // button to display secondary floater
+    LLButton*                   mEditFloaterBtn;                    // button to edit floater
+    LLButton*                   mExecutableBrowseButton;            // button to browse for executable
+    LLButton*                   mCloseOtherButton;                  // button to close primary displayed floater
+    LLButton*                   mCloseOtherButton_2;                // button to close secondary displayed floater
+    LLButton*                   mDiffBrowseButton;                  // button to browse for diff file
+    LLButton*                   mToggleHighlightButton;             // button to toggle highlight of files/elements with diffs
+    LLButton*                   mToggleOverlapButton;               // button to togle overlap panel/highlighting
+    LLComboBox*                 mLanguageSelection;                 // combo box for primary language selection
+    LLComboBox*                 mLanguageSelection_2;               // combo box for secondary language selection
+    S32                         mLastDisplayedX, mLastDisplayedY;   // stored position of last floater so the new one opens up in the same place
+    std::string                 mDelim;                             // the OS-specific delimiter character (/ or \) (*TODO: this shouldn't be needed, right?)
+
+    std::string                 mSavedEditorPath;                   // stored editor path so closing this floater doesn't reset it
+    std::string                 mSavedEditorArgs;                   // stored editor args so closing this floater doesn't reset it
+    std::string                 mSavedDiffPath;                     // stored diff file path so closing this floater doesn't reset it
+
+    // Internal functionality
+    static void popupAndPrintWarning(const std::string& warning);   // pop up a warning
+    std::string getLocalizedDirectory();                            // build and return the path to the XUI directory for the currently-selected localization
+    void scanDiffFile(LLXmlTreeNode* file_node);                    // scan a given XML node for diff entries and highlight them in its associated file
+    void highlightChangedElements();                                // look up the list of elements to highlight and highlight them in the current floater
+    void highlightChangedFiles();                                   // look up the list of changed files to highlight and highlight them in the scroll list
+    void findOverlapsInChildren(LLView* parent);                    // fill the map below with element overlap information
+    static BOOL overlapIgnorable(LLView* viewp);                    // check it the element can be ignored for overlap/localization purposes
+
+    // check if two elements overlap using their rectangles
+    // used instead of llrect functions because by adding a few pixels of leeway I can cut down drastically on the number of overlaps
+    BOOL elementOverlap(LLView* view1, LLView* view2);
+
+    // Button/drop-down action listeners (self explanatory)
+    void onClickDisplayFloater(S32 id);
+    void onClickSaveFloater(S32 id);
+    void onClickSaveAll(S32 id);
+    void onClickEditFloater();
+    void onClickBrowseForEditor();
+    void getExecutablePath(const std::vector<std::string>& filenames);
+    void onClickBrowseForDiffs();
+    void getDiffsFilePath(const std::vector<std::string>& filenames);
+    void onClickToggleDiffHighlighting();
+    void onClickToggleOverlapping();
+    void onClickCloseDisplayedFloater(S32 id);
+    void onLanguageComboSelect(LLUICtrl* ctrl);
+    void onClickExportSchema();
+    void onClickShowRectangles(const LLSD& data);
 };
 
 //----------------------------------------------------------------------------
@@ -226,11 +226,11 @@ private:
 class LLLocalizationResetForcer
 {
 public:
-	LLLocalizationResetForcer(LLFloaterUIPreview* floater, S32 ID);
-	virtual ~LLLocalizationResetForcer();
+    LLLocalizationResetForcer(LLFloaterUIPreview* floater, S32 ID);
+    virtual ~LLLocalizationResetForcer();
 
 private:
-	std::string mSavedLocalization;	// the localization before we change it
+    std::string mSavedLocalization; // the localization before we change it
 };
 
 // Implementation of live file
@@ -239,26 +239,26 @@ private:
 class LLGUIPreviewLiveFile : public LLLiveFile
 {
 public:
-	LLGUIPreviewLiveFile(std::string path, std::string name, LLFloaterUIPreview* parent);
-	virtual ~LLGUIPreviewLiveFile();
-	LLFloaterUIPreview* mParent;
-	LLFadeEventTimer* mFadeTimer;	// timer for fade-to-yellow-and-back effect to warn that file has been reloaded
-	BOOL mFirstFade;				// setting this avoids showing the fade reload warning on first load
-	std::string mFileName;
+    LLGUIPreviewLiveFile(std::string path, std::string name, LLFloaterUIPreview* parent);
+    virtual ~LLGUIPreviewLiveFile();
+    LLFloaterUIPreview* mParent;
+    LLFadeEventTimer* mFadeTimer;   // timer for fade-to-yellow-and-back effect to warn that file has been reloaded
+    BOOL mFirstFade;                // setting this avoids showing the fade reload warning on first load
+    std::string mFileName;
 protected:
-	bool loadFile();
+    bool loadFile();
 };
 
 // Implementation of graphical fade in/out (on timer) for when XUI files are updated
 class LLFadeEventTimer : public LLEventTimer
 {
 public:
-	LLFadeEventTimer(F32 refresh, LLGUIPreviewLiveFile* parent);
-	BOOL tick();
-	LLGUIPreviewLiveFile* mParent;
+    LLFadeEventTimer(F32 refresh, LLGUIPreviewLiveFile* parent);
+    BOOL tick();
+    LLGUIPreviewLiveFile* mParent;
 private:
-	BOOL mFadingOut;			// fades in then out; this is toggled in between
-	LLColor4 mOriginalColor;	// original color; color is reset to this after fade is coimplete
+    BOOL mFadingOut;            // fades in then out; this is toggled in between
+    LLColor4 mOriginalColor;    // original color; color is reset to this after fade is coimplete
 };
 
 // Implementation of previewed floater
@@ -266,21 +266,21 @@ private:
 class LLPreviewedFloater : public LLFloater
 {
 public:
-	LLPreviewedFloater(LLFloaterUIPreview* floater, const Params& params)
-		: LLFloater(LLSD(), params),
-		  mFloaterUIPreview(floater)
-	{
-	}
+    LLPreviewedFloater(LLFloaterUIPreview* floater, const Params& params)
+        : LLFloater(LLSD(), params),
+          mFloaterUIPreview(floater)
+    {
+    }
 
-	virtual void draw();
-	BOOL handleRightMouseDown(S32 x, S32 y, MASK mask);
-	BOOL handleToolTip(S32 x, S32 y, MASK mask);
-	BOOL selectElement(LLView* parent, int x, int y, int depth);	// select element to display its overlappers
+    virtual void draw();
+    BOOL handleRightMouseDown(S32 x, S32 y, MASK mask);
+    BOOL handleToolTip(S32 x, S32 y, MASK mask);
+    BOOL selectElement(LLView* parent, int x, int y, int depth);    // select element to display its overlappers
 
-	LLFloaterUIPreview* mFloaterUIPreview;
+    LLFloaterUIPreview* mFloaterUIPreview;
 
-	// draw widget outlines
-	static bool	sShowRectangles;
+    // draw widget outlines
+    static bool sShowRectangles;
 };
 
 bool LLPreviewedFloater::sShowRectangles = false;
@@ -291,507 +291,507 @@ bool LLPreviewedFloater::sShowRectangles = false;
 // Changes are made here
 LLLocalizationResetForcer::LLLocalizationResetForcer(LLFloaterUIPreview* floater, S32 ID)
 {
-	mSavedLocalization = LLUI::getInstance()->mSettingGroups["config"]->getString("Language");				// save current localization setting
-	LLUI::getInstance()->mSettingGroups["config"]->setString("Language", floater->getLocStr(ID));// hack language to be the one we want to preview floaters in
-	// forcibly reset XUI paths with this new language
-	gDirUtilp->setSkinFolder(gDirUtilp->getSkinFolder(), floater->getLocStr(ID));
+    mSavedLocalization = LLUI::getInstance()->mSettingGroups["config"]->getString("Language");              // save current localization setting
+    LLUI::getInstance()->mSettingGroups["config"]->setString("Language", floater->getLocStr(ID));// hack language to be the one we want to preview floaters in
+    // forcibly reset XUI paths with this new language
+    gDirUtilp->setSkinFolder(gDirUtilp->getSkinFolder(), floater->getLocStr(ID));
 }
 
 // Actually reset in destructor
 // Changes are reversed here
 LLLocalizationResetForcer::~LLLocalizationResetForcer()
 {
-	LLUI::getInstance()->mSettingGroups["config"]->setString("Language", mSavedLocalization);	// reset language to what it was before we changed it
-	// forcibly reset XUI paths with this new language
-	gDirUtilp->setSkinFolder(gDirUtilp->getSkinFolder(), mSavedLocalization);
+    LLUI::getInstance()->mSettingGroups["config"]->setString("Language", mSavedLocalization);   // reset language to what it was before we changed it
+    // forcibly reset XUI paths with this new language
+    gDirUtilp->setSkinFolder(gDirUtilp->getSkinFolder(), mSavedLocalization);
 }
 
 // Live file constructor
 // Needs full path for LLLiveFile but needs just file name for this code, hence the reduntant arguments; easier than separating later
 LLGUIPreviewLiveFile::LLGUIPreviewLiveFile(std::string path, std::string name, LLFloaterUIPreview* parent)
         : mFileName(name),
-		mParent(parent),
-		mFirstFade(TRUE),
-		mFadeTimer(NULL),
-		LLLiveFile(path, 1.0)
+        mParent(parent),
+        mFirstFade(TRUE),
+        mFadeTimer(NULL),
+        LLLiveFile(path, 1.0)
 {}
 
 LLGUIPreviewLiveFile::~LLGUIPreviewLiveFile()
 {
-	mParent->mLiveFile = NULL;
-	if(mFadeTimer)
-	{
-		mFadeTimer->mParent = NULL;
-		// deletes itself; see lltimer.cpp
-	}
+    mParent->mLiveFile = NULL;
+    if(mFadeTimer)
+    {
+        mFadeTimer->mParent = NULL;
+        // deletes itself; see lltimer.cpp
+    }
 }
 
 // Live file load
 bool LLGUIPreviewLiveFile::loadFile()
 {
-	mParent->displayFloater(FALSE,1);	// redisplay the floater
-	if(mFirstFade)	// only fade if it wasn't just clicked on; can't use "clicked" BOOL below because of an oddity with setting LLLiveFile initial state
-	{
-		mFirstFade = FALSE;
-	}
-	else
-	{
-		if(mFadeTimer)
-		{
-			mFadeTimer->mParent = NULL;
-		}
-		mFadeTimer = new LLFadeEventTimer(0.05f,this);
-	}
-	return true;
+    mParent->displayFloater(FALSE,1);   // redisplay the floater
+    if(mFirstFade)  // only fade if it wasn't just clicked on; can't use "clicked" BOOL below because of an oddity with setting LLLiveFile initial state
+    {
+        mFirstFade = FALSE;
+    }
+    else
+    {
+        if(mFadeTimer)
+        {
+            mFadeTimer->mParent = NULL;
+        }
+        mFadeTimer = new LLFadeEventTimer(0.05f,this);
+    }
+    return true;
 }
 
 // Initialize fade event timer
 LLFadeEventTimer::LLFadeEventTimer(F32 refresh, LLGUIPreviewLiveFile* parent)
-	: mParent(parent),
-	mFadingOut(TRUE),
-	LLEventTimer(refresh)
+    : mParent(parent),
+    mFadingOut(TRUE),
+    LLEventTimer(refresh)
 {
-	mOriginalColor = mParent->mParent->mDisplayedFloater->getBackgroundColor();
+    mOriginalColor = mParent->mParent->mDisplayedFloater->getBackgroundColor();
 }
 
 // Single tick of fade event timer: increment the color
 BOOL LLFadeEventTimer::tick()
 {
-	float diff = 0.04f;
-	if(TRUE == mFadingOut)	// set fade for in/out color direction
-	{
-		diff = -diff;
-	}
-
-	if(NULL == mParent)	// no more need to tick, so suicide
-	{
-		return TRUE;
-	}
-
-	// Set up colors
-	LLColor4 bg_color = mParent->mParent->mDisplayedFloater->getBackgroundColor();
-	LLSD colors = bg_color.getValue();
-	LLSD colors_old = colors;
-
-	// Tick colors
-	colors[0] = colors[0].asReal() - diff; if(colors[0].asReal() < mOriginalColor.getValue()[0].asReal()) { colors[0] = colors_old[0]; }
-	colors[1] = colors[1].asReal() - diff; if(colors[1].asReal() < mOriginalColor.getValue()[1].asReal()) { colors[1] = colors_old[1]; }
-	colors[2] = colors[2].asReal() + diff; if(colors[2].asReal() > mOriginalColor.getValue()[2].asReal()) { colors[2] = colors_old[2]; }
-
-	// Clamp and set colors
-	bg_color.setValue(colors);
-	bg_color.clamp();	// make sure we didn't exceed [0,1]
-	mParent->mParent->mDisplayedFloater->setBackgroundColor(bg_color);
-
-	if(bg_color[2] <= 0.0f)	// end of fade out, start fading in
-	{
-		mFadingOut = FALSE;
-	}
-
-	return FALSE;
+    float diff = 0.04f;
+    if(TRUE == mFadingOut)  // set fade for in/out color direction
+    {
+        diff = -diff;
+    }
+
+    if(NULL == mParent) // no more need to tick, so suicide
+    {
+        return TRUE;
+    }
+
+    // Set up colors
+    LLColor4 bg_color = mParent->mParent->mDisplayedFloater->getBackgroundColor();
+    LLSD colors = bg_color.getValue();
+    LLSD colors_old = colors;
+
+    // Tick colors
+    colors[0] = colors[0].asReal() - diff; if(colors[0].asReal() < mOriginalColor.getValue()[0].asReal()) { colors[0] = colors_old[0]; }
+    colors[1] = colors[1].asReal() - diff; if(colors[1].asReal() < mOriginalColor.getValue()[1].asReal()) { colors[1] = colors_old[1]; }
+    colors[2] = colors[2].asReal() + diff; if(colors[2].asReal() > mOriginalColor.getValue()[2].asReal()) { colors[2] = colors_old[2]; }
+
+    // Clamp and set colors
+    bg_color.setValue(colors);
+    bg_color.clamp();   // make sure we didn't exceed [0,1]
+    mParent->mParent->mDisplayedFloater->setBackgroundColor(bg_color);
+
+    if(bg_color[2] <= 0.0f) // end of fade out, start fading in
+    {
+        mFadingOut = FALSE;
+    }
+
+    return FALSE;
 }
 
 // Constructor
 LLFloaterUIPreview::LLFloaterUIPreview(const LLSD& key)
   : LLFloater(key),
-	mDisplayedFloater(NULL),
-	mDisplayedFloater_2(NULL),
-	mLiveFile(NULL),
-	// sHighlightingDiffs(FALSE),
-	mHighlightingOverlaps(FALSE),
-	mLastDisplayedX(0),
-	mLastDisplayedY(0)
+    mDisplayedFloater(NULL),
+    mDisplayedFloater_2(NULL),
+    mLiveFile(NULL),
+    // sHighlightingDiffs(FALSE),
+    mHighlightingOverlaps(FALSE),
+    mLastDisplayedX(0),
+    mLastDisplayedY(0)
 {
 }
 
 // Destructor
 LLFloaterUIPreview::~LLFloaterUIPreview()
 {
-	// spawned floaters are deleted automatically, so we don't need to delete them here
-
-	// save contents of textfields so it can be restored later if the floater is created again this session
-	mSavedEditorPath = mEditorPathTextBox->getText();
-	mSavedEditorArgs = mEditorArgsTextBox->getText();
-	mSavedDiffPath   = mDiffPathTextBox->getText();
-
-	// delete live file if it exists
-	if(mLiveFile)
-	{
-		delete mLiveFile;
-		mLiveFile = NULL;
-	}
+    // spawned floaters are deleted automatically, so we don't need to delete them here
+
+    // save contents of textfields so it can be restored later if the floater is created again this session
+    mSavedEditorPath = mEditorPathTextBox->getText();
+    mSavedEditorArgs = mEditorArgsTextBox->getText();
+    mSavedDiffPath   = mDiffPathTextBox->getText();
+
+    // delete live file if it exists
+    if(mLiveFile)
+    {
+        delete mLiveFile;
+        mLiveFile = NULL;
+    }
 }
 
 // Perform post-build setup (defined in superclass)
 BOOL LLFloaterUIPreview::postBuild()
 {
-	LLPanel* main_panel_tmp = getChild<LLPanel>("main_panel");				// get a pointer to the main panel in order to...
-	mFileList = main_panel_tmp->getChild<LLScrollListCtrl>("name_list");	// save pointer to file list
-	// Double-click opens the floater, for convenience
-	mFileList->setDoubleClickCallback(boost::bind(&LLFloaterUIPreview::onClickDisplayFloater, this, PRIMARY_FLOATER));
-
-	setDefaultBtn("display_floater");
-	// get pointers to buttons and link to callbacks
-	mLanguageSelection = main_panel_tmp->getChild<LLComboBox>("language_select_combo");
-	mLanguageSelection->setCommitCallback(boost::bind(&LLFloaterUIPreview::onLanguageComboSelect, this, mLanguageSelection));
-	mLanguageSelection_2 = main_panel_tmp->getChild<LLComboBox>("language_select_combo_2");
-	mLanguageSelection_2->setCommitCallback(boost::bind(&LLFloaterUIPreview::onLanguageComboSelect, this, mLanguageSelection));
-	LLPanel* editor_panel_tmp = main_panel_tmp->getChild<LLPanel>("editor_panel");
-	mDisplayFloaterBtn = main_panel_tmp->getChild<LLButton>("display_floater");
-	mDisplayFloaterBtn->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickDisplayFloater, this, PRIMARY_FLOATER));
-	mDisplayFloaterBtn_2 = main_panel_tmp->getChild<LLButton>("display_floater_2");
-	mDisplayFloaterBtn_2->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickDisplayFloater, this, SECONDARY_FLOATER));
-	mToggleOverlapButton = main_panel_tmp->getChild<LLButton>("toggle_overlap_panel");
-	mToggleOverlapButton->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickToggleOverlapping, this));
-	mCloseOtherButton = main_panel_tmp->getChild<LLButton>("close_displayed_floater");
-	mCloseOtherButton->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickCloseDisplayedFloater, this, PRIMARY_FLOATER));
-	mCloseOtherButton_2 = main_panel_tmp->getChild<LLButton>("close_displayed_floater_2");
-	mCloseOtherButton_2->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickCloseDisplayedFloater, this, SECONDARY_FLOATER));
-	mEditFloaterBtn = main_panel_tmp->getChild<LLButton>("edit_floater");
-	mEditFloaterBtn->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickEditFloater, this));
-	mExecutableBrowseButton = editor_panel_tmp->getChild<LLButton>("browse_for_executable");
-	LLPanel* vlt_panel_tmp = main_panel_tmp->getChild<LLPanel>("vlt_panel");
-	mExecutableBrowseButton->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickBrowseForEditor, this));
-	mDiffBrowseButton = vlt_panel_tmp->getChild<LLButton>("browse_for_vlt_diffs");
-	mDiffBrowseButton->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickBrowseForDiffs, this));
-	mToggleHighlightButton = vlt_panel_tmp->getChild<LLButton>("toggle_vlt_diff_highlight");
-	mToggleHighlightButton->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickToggleDiffHighlighting, this));
-	main_panel_tmp->getChild<LLButton>("save_floater")->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickSaveFloater, this, PRIMARY_FLOATER));
-	main_panel_tmp->getChild<LLButton>("save_all_floaters")->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickSaveAll, this, PRIMARY_FLOATER));
-
-	getChild<LLButton>("export_schema")->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickExportSchema, this));
-	getChild<LLUICtrl>("show_rectangles")->setCommitCallback(
-		boost::bind(&LLFloaterUIPreview::onClickShowRectangles, this, _2));
-
-	// get pointers to text fields
-	mEditorPathTextBox = editor_panel_tmp->getChild<LLLineEditor>("executable_path_field");
-	mEditorArgsTextBox = editor_panel_tmp->getChild<LLLineEditor>("executable_args_field");
-	mDiffPathTextBox = vlt_panel_tmp->getChild<LLLineEditor>("vlt_diff_path_field");
-
-	// *HACK: restored saved editor path and args to textfields
-	mEditorPathTextBox->setText(mSavedEditorPath);
-	mEditorArgsTextBox->setText(mSavedEditorArgs);
-	mDiffPathTextBox->setText(mSavedDiffPath);
-
-	// Set up overlap panel
-	mOverlapPanel = getChild<LLOverlapPanel>("overlap_panel");
-
-	getChildView("overlap_scroll")->setVisible( mHighlightingOverlaps);
-	
-	mDelim = gDirUtilp->getDirDelimiter();	// initialize delimiter to dir sep slash
-
-	// refresh list of available languages (EN will still be default)
-	BOOL found = TRUE;
-	BOOL found_en_us = FALSE;
-	std::string language_directory;
-	std::string xui_dir = get_xui_dir();	// directory containing localizations -- don't forget trailing delim
-	mLanguageSelection->removeall();																				// clear out anything temporarily in list from XML
-
-	LLDirIterator iter(xui_dir, "*");
-	while(found)																									// for every directory
-	{
-		if((found = iter.next(language_directory)))							// get next directory
-		{
-			std::string full_path = gDirUtilp->add(xui_dir, language_directory);
-			if(LLFile::isfile(full_path.c_str()))																	// if it's not a directory, skip it
-			{
-				continue;
-			}
-
-			if(strncmp("template",language_directory.c_str(),8) && -1 == language_directory.find("."))				// if it's not the template directory or a hidden directory
-			{
-				if(!strncmp("en",language_directory.c_str(),5))													// remember if we've seen en, so we can make it default
-				{
-					found_en_us = TRUE;
-				}
-				else
-				{
-					mLanguageSelection->add(std::string(language_directory));											// add it to the language selection dropdown menu
-					mLanguageSelection_2->add(std::string(language_directory));
-				}
-			}
-		}
-	}
-	if(found_en_us)
-	{
-		mLanguageSelection->add(std::string("en"),ADD_TOP);															// make en first item if we found it
-		mLanguageSelection_2->add(std::string("en"),ADD_TOP);	
-	}
-	else
-	{
-		std::string warning = std::string("No EN localization found; check your XUI directories!");
-		popupAndPrintWarning(warning);
-	}
-	mLanguageSelection->selectFirstItem();																			// select the first item
-	mLanguageSelection_2->selectFirstItem();
-
-	refreshList();																									// refresh the list of available floaters
-
-	return TRUE;
+    LLPanel* main_panel_tmp = getChild<LLPanel>("main_panel");              // get a pointer to the main panel in order to...
+    mFileList = main_panel_tmp->getChild<LLScrollListCtrl>("name_list");    // save pointer to file list
+    // Double-click opens the floater, for convenience
+    mFileList->setDoubleClickCallback(boost::bind(&LLFloaterUIPreview::onClickDisplayFloater, this, PRIMARY_FLOATER));
+
+    setDefaultBtn("display_floater");
+    // get pointers to buttons and link to callbacks
+    mLanguageSelection = main_panel_tmp->getChild<LLComboBox>("language_select_combo");
+    mLanguageSelection->setCommitCallback(boost::bind(&LLFloaterUIPreview::onLanguageComboSelect, this, mLanguageSelection));
+    mLanguageSelection_2 = main_panel_tmp->getChild<LLComboBox>("language_select_combo_2");
+    mLanguageSelection_2->setCommitCallback(boost::bind(&LLFloaterUIPreview::onLanguageComboSelect, this, mLanguageSelection));
+    LLPanel* editor_panel_tmp = main_panel_tmp->getChild<LLPanel>("editor_panel");
+    mDisplayFloaterBtn = main_panel_tmp->getChild<LLButton>("display_floater");
+    mDisplayFloaterBtn->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickDisplayFloater, this, PRIMARY_FLOATER));
+    mDisplayFloaterBtn_2 = main_panel_tmp->getChild<LLButton>("display_floater_2");
+    mDisplayFloaterBtn_2->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickDisplayFloater, this, SECONDARY_FLOATER));
+    mToggleOverlapButton = main_panel_tmp->getChild<LLButton>("toggle_overlap_panel");
+    mToggleOverlapButton->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickToggleOverlapping, this));
+    mCloseOtherButton = main_panel_tmp->getChild<LLButton>("close_displayed_floater");
+    mCloseOtherButton->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickCloseDisplayedFloater, this, PRIMARY_FLOATER));
+    mCloseOtherButton_2 = main_panel_tmp->getChild<LLButton>("close_displayed_floater_2");
+    mCloseOtherButton_2->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickCloseDisplayedFloater, this, SECONDARY_FLOATER));
+    mEditFloaterBtn = main_panel_tmp->getChild<LLButton>("edit_floater");
+    mEditFloaterBtn->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickEditFloater, this));
+    mExecutableBrowseButton = editor_panel_tmp->getChild<LLButton>("browse_for_executable");
+    LLPanel* vlt_panel_tmp = main_panel_tmp->getChild<LLPanel>("vlt_panel");
+    mExecutableBrowseButton->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickBrowseForEditor, this));
+    mDiffBrowseButton = vlt_panel_tmp->getChild<LLButton>("browse_for_vlt_diffs");
+    mDiffBrowseButton->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickBrowseForDiffs, this));
+    mToggleHighlightButton = vlt_panel_tmp->getChild<LLButton>("toggle_vlt_diff_highlight");
+    mToggleHighlightButton->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickToggleDiffHighlighting, this));
+    main_panel_tmp->getChild<LLButton>("save_floater")->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickSaveFloater, this, PRIMARY_FLOATER));
+    main_panel_tmp->getChild<LLButton>("save_all_floaters")->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickSaveAll, this, PRIMARY_FLOATER));
+
+    getChild<LLButton>("export_schema")->setClickedCallback(boost::bind(&LLFloaterUIPreview::onClickExportSchema, this));
+    getChild<LLUICtrl>("show_rectangles")->setCommitCallback(
+        boost::bind(&LLFloaterUIPreview::onClickShowRectangles, this, _2));
+
+    // get pointers to text fields
+    mEditorPathTextBox = editor_panel_tmp->getChild<LLLineEditor>("executable_path_field");
+    mEditorArgsTextBox = editor_panel_tmp->getChild<LLLineEditor>("executable_args_field");
+    mDiffPathTextBox = vlt_panel_tmp->getChild<LLLineEditor>("vlt_diff_path_field");
+
+    // *HACK: restored saved editor path and args to textfields
+    mEditorPathTextBox->setText(mSavedEditorPath);
+    mEditorArgsTextBox->setText(mSavedEditorArgs);
+    mDiffPathTextBox->setText(mSavedDiffPath);
+
+    // Set up overlap panel
+    mOverlapPanel = getChild<LLOverlapPanel>("overlap_panel");
+
+    getChildView("overlap_scroll")->setVisible( mHighlightingOverlaps);
+
+    mDelim = gDirUtilp->getDirDelimiter();  // initialize delimiter to dir sep slash
+
+    // refresh list of available languages (EN will still be default)
+    BOOL found = TRUE;
+    BOOL found_en_us = FALSE;
+    std::string language_directory;
+    std::string xui_dir = get_xui_dir();    // directory containing localizations -- don't forget trailing delim
+    mLanguageSelection->removeall();                                                                                // clear out anything temporarily in list from XML
+
+    LLDirIterator iter(xui_dir, "*");
+    while(found)                                                                                                    // for every directory
+    {
+        if((found = iter.next(language_directory)))                         // get next directory
+        {
+            std::string full_path = gDirUtilp->add(xui_dir, language_directory);
+            if(LLFile::isfile(full_path.c_str()))                                                                   // if it's not a directory, skip it
+            {
+                continue;
+            }
+
+            if(strncmp("template",language_directory.c_str(),8) && -1 == language_directory.find("."))              // if it's not the template directory or a hidden directory
+            {
+                if(!strncmp("en",language_directory.c_str(),5))                                                 // remember if we've seen en, so we can make it default
+                {
+                    found_en_us = TRUE;
+                }
+                else
+                {
+                    mLanguageSelection->add(std::string(language_directory));                                           // add it to the language selection dropdown menu
+                    mLanguageSelection_2->add(std::string(language_directory));
+                }
+            }
+        }
+    }
+    if(found_en_us)
+    {
+        mLanguageSelection->add(std::string("en"),ADD_TOP);                                                         // make en first item if we found it
+        mLanguageSelection_2->add(std::string("en"),ADD_TOP);
+    }
+    else
+    {
+        std::string warning = std::string("No EN localization found; check your XUI directories!");
+        popupAndPrintWarning(warning);
+    }
+    mLanguageSelection->selectFirstItem();                                                                          // select the first item
+    mLanguageSelection_2->selectFirstItem();
+
+    refreshList();                                                                                                  // refresh the list of available floaters
+
+    return TRUE;
 }
 
 // Callback for language combo box selection: refresh current floater when you change languages
 void LLFloaterUIPreview::onLanguageComboSelect(LLUICtrl* ctrl)
 {
-	LLComboBox* caller = dynamic_cast<LLComboBox*>(ctrl);
-	if (!caller)
-		return;
-	if(caller->getName() == std::string("language_select_combo"))
-	{
-		if(mDisplayedFloater)
-		{
-			onClickCloseDisplayedFloater(PRIMARY_FLOATER);
-			displayFloater(TRUE,1);
-		}
-	}
-	else
-	{
-		if(mDisplayedFloater_2)
-		{
-			onClickCloseDisplayedFloater(PRIMARY_FLOATER);
-			displayFloater(TRUE,2);	// *TODO: make take an arg
-		}
-	}
+    LLComboBox* caller = dynamic_cast<LLComboBox*>(ctrl);
+    if (!caller)
+        return;
+    if(caller->getName() == std::string("language_select_combo"))
+    {
+        if(mDisplayedFloater)
+        {
+            onClickCloseDisplayedFloater(PRIMARY_FLOATER);
+            displayFloater(TRUE,1);
+        }
+    }
+    else
+    {
+        if(mDisplayedFloater_2)
+        {
+            onClickCloseDisplayedFloater(PRIMARY_FLOATER);
+            displayFloater(TRUE,2); // *TODO: make take an arg
+        }
+    }
 
 }
 
 void LLFloaterUIPreview::onClickExportSchema()
 {
-	//NOTE: schema generation not complete
-	//gViewerWindow->setCursor(UI_CURSOR_WAIT);
-	//std::string template_path = gDirUtilp->getExpandedFilename(LL_PATH_DEFAULT_SKIN, "xui", "schema");
-
-	//typedef LLWidgetTypeRegistry::Registrar::registry_map_t::const_iterator registry_it;
-	//registry_it end_it = LLWidgetTypeRegistry::defaultRegistrar().endItems();
-	//for(registry_it it = LLWidgetTypeRegistry::defaultRegistrar().beginItems();
-	//	it != end_it;
-	//	++it)
-	//{
-	//	std::string widget_name = it->first;
-	//	const LLInitParam::BaseBlock& block = 
-	//		(*LLDefaultParamBlockRegistry::instance().getValue(*LLWidgetTypeRegistry::instance().getValue(widget_name)))();
-	//	LLXMLNodePtr root_nodep = new LLXMLNode();
-	//	LLRNGWriter().writeRNG(widget_name, root_nodep, block, "http://www.lindenlab.com/xui");
-
-	//	std::string file_name(template_path + gDirUtilp->getDirDelimiter() + widget_name + ".rng");
-
-	//	LLFILE* rng_file = LLFile::fopen(file_name.c_str(), "w");
-	//	{
-	//		LLXMLNode::writeHeaderToFile(rng_file);
-	//		const bool use_type_decorations = false;
-	//		root_nodep->writeToFile(rng_file, std::string(), use_type_decorations);
-	//	}
-	//	fclose(rng_file);
-	//}
-	//gViewerWindow->setCursor(UI_CURSOR_ARROW);
+    //NOTE: schema generation not complete
+    //gViewerWindow->setCursor(UI_CURSOR_WAIT);
+    //std::string template_path = gDirUtilp->getExpandedFilename(LL_PATH_DEFAULT_SKIN, "xui", "schema");
+
+    //typedef LLWidgetTypeRegistry::Registrar::registry_map_t::const_iterator registry_it;
+    //registry_it end_it = LLWidgetTypeRegistry::defaultRegistrar().endItems();
+    //for(registry_it it = LLWidgetTypeRegistry::defaultRegistrar().beginItems();
+    //  it != end_it;
+    //  ++it)
+    //{
+    //  std::string widget_name = it->first;
+    //  const LLInitParam::BaseBlock& block =
+    //      (*LLDefaultParamBlockRegistry::instance().getValue(*LLWidgetTypeRegistry::instance().getValue(widget_name)))();
+    //  LLXMLNodePtr root_nodep = new LLXMLNode();
+    //  LLRNGWriter().writeRNG(widget_name, root_nodep, block, "http://www.lindenlab.com/xui");
+
+    //  std::string file_name(template_path + gDirUtilp->getDirDelimiter() + widget_name + ".rng");
+
+    //  LLFILE* rng_file = LLFile::fopen(file_name.c_str(), "w");
+    //  {
+    //      LLXMLNode::writeHeaderToFile(rng_file);
+    //      const bool use_type_decorations = false;
+    //      root_nodep->writeToFile(rng_file, std::string(), use_type_decorations);
+    //  }
+    //  fclose(rng_file);
+    //}
+    //gViewerWindow->setCursor(UI_CURSOR_ARROW);
 }
 
 void LLFloaterUIPreview::onClickShowRectangles(const LLSD& data)
 {
-	LLPreviewedFloater::sShowRectangles = data.asBoolean();
+    LLPreviewedFloater::sShowRectangles = data.asBoolean();
 }
 
 // Close click handler -- delete my displayed floater if it exists
 void LLFloaterUIPreview::onClose(bool app_quitting)
 {
-	if(!app_quitting && mDisplayedFloater)
-	{
-		onClickCloseDisplayedFloater(PRIMARY_FLOATER);
-		onClickCloseDisplayedFloater(SECONDARY_FLOATER);
-		delete mDisplayedFloater;
-		mDisplayedFloater = NULL;
-		delete mDisplayedFloater_2;
-		mDisplayedFloater_2 = NULL;
-	}
+    if(!app_quitting && mDisplayedFloater)
+    {
+        onClickCloseDisplayedFloater(PRIMARY_FLOATER);
+        onClickCloseDisplayedFloater(SECONDARY_FLOATER);
+        delete mDisplayedFloater;
+        mDisplayedFloater = NULL;
+        delete mDisplayedFloater_2;
+        mDisplayedFloater_2 = NULL;
+    }
 }
 
 // Error handling (to avoid code repetition)
 // *TODO: this is currently unlocalized.  Add to alerts/notifications.xml, someday, maybe.
 void LLFloaterUIPreview::popupAndPrintWarning(const std::string& warning)
 {
-	LL_WARNS() << warning << LL_ENDL;
-	LLSD args;
-	args["MESSAGE"] = warning;
-	LLNotificationsUtil::add("GenericAlert", args);
+    LL_WARNS() << warning << LL_ENDL;
+    LLSD args;
+    args["MESSAGE"] = warning;
+    LLNotificationsUtil::add("GenericAlert", args);
 }
 
 // Get localization string from drop-down menu
 std::string LLFloaterUIPreview::getLocStr(S32 ID)
 {
-	if(ID == 1)
-	{
-		return mLanguageSelection->getSelectedItemLabel(0);
-	}
-	else
-	{
-		return mLanguageSelection_2->getSelectedItemLabel(0);
-	}
+    if(ID == 1)
+    {
+        return mLanguageSelection->getSelectedItemLabel(0);
+    }
+    else
+    {
+        return mLanguageSelection_2->getSelectedItemLabel(0);
+    }
 }
 
 // Get localized directory (build path from data directory to XUI files, substituting localization string in for language)
 std::string LLFloaterUIPreview::getLocalizedDirectory()
 {
-	return get_xui_dir() + (getLocStr(1)) + mDelim; // e.g. "C:/Code/guipreview/indra/newview/skins/xui/en/";
+    return get_xui_dir() + (getLocStr(1)) + mDelim; // e.g. "C:/Code/guipreview/indra/newview/skins/xui/en/";
 }
 
 // Refresh the list of floaters by doing a directory traverse for XML XUI floater files
 // Could be used to grab any specific language's list of compatible floaters, but currently it's just used to get all of them
 void LLFloaterUIPreview::refreshList()
 {
-	// Note: the mask doesn't seem to accept regular expressions, so there need to be two directory searches here
-	mFileList->clearRows();		// empty list
-	std::string name;
-	BOOL found = TRUE;
-
-	LLDirIterator floater_iter(getLocalizedDirectory(), "floater_*.xml");
-	while(found)				// for every floater file that matches the pattern
-	{
-		if((found = floater_iter.next(name)))	// get next file matching pattern
-		{
-			addFloaterEntry(name.c_str());	// and add it to the list (file name only; localization code takes care of rest of path)
-		}
-	}
-	found = TRUE;
-
-	LLDirIterator inspect_iter(getLocalizedDirectory(), "inspect_*.xml");
-	while(found)				// for every inspector file that matches the pattern
-	{
-		if((found = inspect_iter.next(name)))	// get next file matching pattern
-		{
-			addFloaterEntry(name.c_str());	// and add it to the list (file name only; localization code takes care of rest of path)
-		}
-	}
-	found = TRUE;
-
-	LLDirIterator menu_iter(getLocalizedDirectory(), "menu_*.xml");
-	while(found)				// for every menu file that matches the pattern
-	{
-		if((found = menu_iter.next(name)))	// get next file matching pattern
-		{
-			addFloaterEntry(name.c_str());	// and add it to the list (file name only; localization code takes care of rest of path)
-		}
-	}
-	found = TRUE;
-
-	LLDirIterator panel_iter(getLocalizedDirectory(), "panel_*.xml");
-	while(found)				// for every panel file that matches the pattern
-	{
-		if((found = panel_iter.next(name)))	// get next file matching pattern
-		{
-			addFloaterEntry(name.c_str());	// and add it to the list (file name only; localization code takes care of rest of path)
-		}
-	}
-	found = TRUE;
-
-	LLDirIterator sidepanel_iter(getLocalizedDirectory(), "sidepanel_*.xml");
-	while(found)				// for every sidepanel file that matches the pattern
-	{
-		if((found = sidepanel_iter.next(name)))	// get next file matching pattern
-		{
-			addFloaterEntry(name.c_str());	// and add it to the list (file name only; localization code takes care of rest of path)
-		}
-	}
-
-	if(!mFileList->isEmpty())	// if there were any matching files, just select the first one (so we don't have to worry about disabling buttons when no entry is selected)
-	{
-		mFileList->selectFirstItem();
-	}
+    // Note: the mask doesn't seem to accept regular expressions, so there need to be two directory searches here
+    mFileList->clearRows();     // empty list
+    std::string name;
+    BOOL found = TRUE;
+
+    LLDirIterator floater_iter(getLocalizedDirectory(), "floater_*.xml");
+    while(found)                // for every floater file that matches the pattern
+    {
+        if((found = floater_iter.next(name)))   // get next file matching pattern
+        {
+            addFloaterEntry(name.c_str());  // and add it to the list (file name only; localization code takes care of rest of path)
+        }
+    }
+    found = TRUE;
+
+    LLDirIterator inspect_iter(getLocalizedDirectory(), "inspect_*.xml");
+    while(found)                // for every inspector file that matches the pattern
+    {
+        if((found = inspect_iter.next(name)))   // get next file matching pattern
+        {
+            addFloaterEntry(name.c_str());  // and add it to the list (file name only; localization code takes care of rest of path)
+        }
+    }
+    found = TRUE;
+
+    LLDirIterator menu_iter(getLocalizedDirectory(), "menu_*.xml");
+    while(found)                // for every menu file that matches the pattern
+    {
+        if((found = menu_iter.next(name)))  // get next file matching pattern
+        {
+            addFloaterEntry(name.c_str());  // and add it to the list (file name only; localization code takes care of rest of path)
+        }
+    }
+    found = TRUE;
+
+    LLDirIterator panel_iter(getLocalizedDirectory(), "panel_*.xml");
+    while(found)                // for every panel file that matches the pattern
+    {
+        if((found = panel_iter.next(name))) // get next file matching pattern
+        {
+            addFloaterEntry(name.c_str());  // and add it to the list (file name only; localization code takes care of rest of path)
+        }
+    }
+    found = TRUE;
+
+    LLDirIterator sidepanel_iter(getLocalizedDirectory(), "sidepanel_*.xml");
+    while(found)                // for every sidepanel file that matches the pattern
+    {
+        if((found = sidepanel_iter.next(name))) // get next file matching pattern
+        {
+            addFloaterEntry(name.c_str());  // and add it to the list (file name only; localization code takes care of rest of path)
+        }
+    }
+
+    if(!mFileList->isEmpty())   // if there were any matching files, just select the first one (so we don't have to worry about disabling buttons when no entry is selected)
+    {
+        mFileList->selectFirstItem();
+    }
 }
 
 // Add a single entry to the list of available floaters
 // Note: no deduplification (shouldn't be necessary)
 void LLFloaterUIPreview::addFloaterEntry(const std::string& path)
 {
-	LLUUID* entry_id = new LLUUID();				// create a new UUID
-	entry_id->generate(path);
-	const LLUUID& entry_id_ref = *entry_id;			// get a reference to the UUID for the LLSD block
-
-	// fill LLSD column entry: initialize row/col structure
-	LLSD row;
-	row["id"] = entry_id_ref;
-	LLSD& columns = row["columns"];
-
-	// Get name of floater:
-	LLXmlTree xml_tree;
-	std::string full_path = getLocalizedDirectory() + path;			// get full path
-	BOOL success = xml_tree.parseFile(full_path.c_str(), TRUE);		// parse xml
-	std::string entry_name;
-	std::string entry_title;
-	if(success)
-	{
-		// get root (or error handle)
-		LLXmlTreeNode* root_floater = xml_tree.getRoot();
-		if (!root_floater)
-		{
-			std::string warning = std::string("No root node found in XUI file: ") + path;
-			popupAndPrintWarning(warning);
-			return;
-		}
-
-		// get name
-		root_floater->getAttributeString("name",entry_name);
-		if(std::string("") == entry_name)
-		{
-			entry_name = "Error: unable to load " + std::string(path);	// set to error state if load fails
-		}
-
-		// get title
-		root_floater->getAttributeString("title",entry_title); // some don't have a title, and some have title = "(unknown)", so just leave it blank if it fails
-	}
-	else
-	{
-		std::string warning = std::string("Unable to parse XUI file: ") + path;	// error handling
-		popupAndPrintWarning(warning);
-		if(mLiveFile)
-		{
-			delete mLiveFile;
-			mLiveFile = NULL;
-		}
-		return;
-	}
-
-	// Fill floater title column
-	columns[0]["column"] = "title_column";
-	columns[0]["type"] = "text";
-	columns[0]["value"] = entry_title;
-
-	// Fill floater path column
-	columns[1]["column"] = "file_column";
-	columns[1]["type"] = "text";
-	columns[1]["value"] = std::string(path);
-
-	// Fill floater name column
-	columns[2]["column"] = "top_level_node_column";
-	columns[2]["type"] = "text";
-	columns[2]["value"] = entry_name;
-
-	mFileList->addElement(row);		// actually add to list
+    LLUUID* entry_id = new LLUUID();                // create a new UUID
+    entry_id->generate(path);
+    const LLUUID& entry_id_ref = *entry_id;         // get a reference to the UUID for the LLSD block
+
+    // fill LLSD column entry: initialize row/col structure
+    LLSD row;
+    row["id"] = entry_id_ref;
+    LLSD& columns = row["columns"];
+
+    // Get name of floater:
+    LLXmlTree xml_tree;
+    std::string full_path = getLocalizedDirectory() + path;         // get full path
+    BOOL success = xml_tree.parseFile(full_path.c_str(), TRUE);     // parse xml
+    std::string entry_name;
+    std::string entry_title;
+    if(success)
+    {
+        // get root (or error handle)
+        LLXmlTreeNode* root_floater = xml_tree.getRoot();
+        if (!root_floater)
+        {
+            std::string warning = std::string("No root node found in XUI file: ") + path;
+            popupAndPrintWarning(warning);
+            return;
+        }
+
+        // get name
+        root_floater->getAttributeString("name",entry_name);
+        if(std::string("") == entry_name)
+        {
+            entry_name = "Error: unable to load " + std::string(path);  // set to error state if load fails
+        }
+
+        // get title
+        root_floater->getAttributeString("title",entry_title); // some don't have a title, and some have title = "(unknown)", so just leave it blank if it fails
+    }
+    else
+    {
+        std::string warning = std::string("Unable to parse XUI file: ") + path; // error handling
+        popupAndPrintWarning(warning);
+        if(mLiveFile)
+        {
+            delete mLiveFile;
+            mLiveFile = NULL;
+        }
+        return;
+    }
+
+    // Fill floater title column
+    columns[0]["column"] = "title_column";
+    columns[0]["type"] = "text";
+    columns[0]["value"] = entry_title;
+
+    // Fill floater path column
+    columns[1]["column"] = "file_column";
+    columns[1]["type"] = "text";
+    columns[1]["value"] = std::string(path);
+
+    // Fill floater name column
+    columns[2]["column"] = "top_level_node_column";
+    columns[2]["type"] = "text";
+    columns[2]["value"] = entry_name;
+
+    mFileList->addElement(row);     // actually add to list
 }
 
 // Respond to button click to display/refresh currently-selected floater
 void LLFloaterUIPreview::onClickDisplayFloater(S32 caller_id)
 {
-	displayFloater(TRUE, caller_id);
+    displayFloater(TRUE, caller_id);
 }
 
 // Saves the current floater/panel
 void LLFloaterUIPreview::onClickSaveFloater(S32 caller_id)
 {
-	displayFloater(TRUE, caller_id);
-	popupAndPrintWarning("Save-floater functionality removed, use XML schema to clean up XUI files");
+    displayFloater(TRUE, caller_id);
+    popupAndPrintWarning("Save-floater functionality removed, use XML schema to clean up XUI files");
 }
 
 // Saves all floater/panels
 void LLFloaterUIPreview::onClickSaveAll(S32 caller_id)
 {
-	int listSize = mFileList->getItemCount();
-
-	for (int index = 0; index < listSize; index++)
-	{
-		mFileList->selectNthItem(index);
-		displayFloater(TRUE, caller_id);
-	}
-	popupAndPrintWarning("Save-floater functionality removed, use XML schema to clean up XUI files");
+    int listSize = mFileList->getItemCount();
+
+    for (int index = 0; index < listSize; index++)
+    {
+        mFileList->selectNthItem(index);
+        displayFloater(TRUE, caller_id);
+    }
+    popupAndPrintWarning("Save-floater functionality removed, use XML schema to clean up XUI files");
 }
 
 // Actually display the floater
@@ -799,224 +799,224 @@ void LLFloaterUIPreview::onClickSaveAll(S32 caller_id)
 // otherwise, we get an infinite loop as the live file keeps recreating itself.  That means this function is generally called twice.
 void LLFloaterUIPreview::displayFloater(BOOL click, S32 ID)
 {
-	// Convince UI that we're in a different language (the one selected on the drop-down menu)
-	LLLocalizationResetForcer reset_forcer(this, ID);						// save old language in reset forcer object (to be reset upon destruction when it falls out of scope)
-
-	LLPreviewedFloater** floaterp = (ID == 1 ? &(mDisplayedFloater) : &(mDisplayedFloater_2));
-	if(ID == 1)
-	{
-		BOOL floater_already_open = mDisplayedFloater != NULL;
-		if(floater_already_open)											// if we are already displaying a floater
-		{
-			mLastDisplayedX = mDisplayedFloater->calcScreenRect().mLeft;	// save floater's last known position to put the new one there
-			mLastDisplayedY = mDisplayedFloater->calcScreenRect().mBottom;
-			delete mDisplayedFloater;							// delete it (this closes it too)
-			mDisplayedFloater = NULL;							// and reset the pointer
-		}
-	}
-	else
-	{
-		if(mDisplayedFloater_2 != NULL)
-		{
-			delete mDisplayedFloater_2;
-			mDisplayedFloater_2 = NULL;
-		}
-	}
-
-	std::string path = mFileList->getSelectedItemLabel(1);		// get the path of the currently-selected floater
-	if(std::string("") == path)											// if no item is selected
-	{
-		return;															// ignore click (this can only happen with empty list; otherwise an item is always selected)
-	}
-
-	LLFloater::Params p(LLFloater::getDefaultParams());
-	p.min_height=p.header_height;
-	p.min_width=10;
-
-	*floaterp = new LLPreviewedFloater(this, p);
-
-	if(!strncmp(path.c_str(),"floater_",8)
-		|| !strncmp(path.c_str(), "inspect_", 8))		// if it's a floater
-	{
-		(*floaterp)->buildFromFile(path);	// just build it
-		(*floaterp)->openFloater((*floaterp)->getKey());
-		(*floaterp)->setCanResize((*floaterp)->isResizable());
-	}
-	else if (!strncmp(path.c_str(),"menu_",5))								// if it's a menu
-	{
-		// former 'save' processing excised
-	}
-	else																// if it is a panel...
-	{
-		(*floaterp)->setCanResize(true);
-
-		const LLFloater::Params& floater_params = LLFloater::getDefaultParams();
-		S32 floater_header_size = floater_params.header_height;
-
-		LLPanel::Params panel_params;
-		LLPanel* panel = LLUICtrlFactory::create<LLPanel>(panel_params);	// create a new panel
-
-		panel->buildFromFile(path);										// build it
-		panel->setOrigin(2,2);											// reset its origin point so it's not offset by -left or other XUI attributes
-		(*floaterp)->setTitle(path);									// use the file name as its title, since panels have no guaranteed meaningful name attribute
-		panel->setUseBoundingRect(TRUE);								// enable the use of its outer bounding rect (normally disabled because it's O(n) on the number of sub-elements)
-		panel->updateBoundingRect();									// update bounding rect
-		LLRect bounding_rect = panel->getBoundingRect();				// get the bounding rect
-		LLRect new_rect = panel->getRect();								// get the panel's rect
-		new_rect.unionWith(bounding_rect);								// union them to make sure we get the biggest one possible
-		LLRect floater_rect = new_rect;
-		floater_rect.stretch(4, 4);
-		(*floaterp)->reshape(floater_rect.getWidth(), floater_rect.getHeight() + floater_header_size);	// reshape floater to match the union rect's dimensions
-		panel->reshape(new_rect.getWidth(), new_rect.getHeight());		// reshape panel to match the union rect's dimensions as well (both are needed)
-		(*floaterp)->addChild(panel);					// add panel as child
-		(*floaterp)->openFloater();						// open floater (needed?)
-	}
-
-	if(ID == 1)
-	{
-		(*floaterp)->setOrigin(mLastDisplayedX, mLastDisplayedY);
-	}
-
-	// *HACK: Remove ability to close it; if you close it, its destructor gets called, but we don't know it's null and try to delete it again,
-	// resulting in a double free
-	(*floaterp)->setCanClose(FALSE);
-	
-	if(ID == 1)
-	{
-		mCloseOtherButton->setEnabled(TRUE);	// enable my floater's close button
-	}
-	else
-	{
-		mCloseOtherButton_2->setEnabled(TRUE);
-	}
-
-	// Add localization to title so user knows whether it's localized or defaulted to en
-	std::string full_path = getLocalizedDirectory() + path;
-	std::string floater_lang = "EN";
-	llstat dummy;
-	if(!LLFile::stat(full_path.c_str(), &dummy))	// if the file does not exist
-	{
-		floater_lang = getLocStr(ID);
-	}
-	std::string new_title = (*floaterp)->getTitle() + std::string(" [") + floater_lang +
-						(ID == 1 ? " - Primary" : " - Secondary") + std::string("]");
-	(*floaterp)->setTitle(new_title);
-
-	(*floaterp)->center();
-	addDependentFloater(*floaterp);
-
-	if(click && ID == 1)
-	{
-		// set up live file to track it
-		if(mLiveFile)
-		{
-			delete mLiveFile;
-			mLiveFile = NULL;
-		}
-		mLiveFile = new LLGUIPreviewLiveFile(std::string(full_path.c_str()),std::string(path.c_str()),this);
-		mLiveFile->checkAndReload();
-		mLiveFile->addToEventTimer();
-	}
-
-	if(ID == 1)
-	{
-		mToggleOverlapButton->setEnabled(TRUE);
-	}
-
-	if(LLView::sHighlightingDiffs && click && ID == 1)
-	{
-		highlightChangedElements();
-	}
-
-	if(ID == 1)
-	{
-		mOverlapPanel->mOverlapMap.clear();
-		LLView::sPreviewClickedElement = NULL;	// stop overlapping elements from drawing
-		mOverlapPanel->mLastClickedElement = NULL;
-		findOverlapsInChildren((LLView*)mDisplayedFloater);
-
-		// highlight and enable them
-		if(mHighlightingOverlaps)
-		{
-			for(LLOverlapPanel::OverlapMap::iterator iter = mOverlapPanel->mOverlapMap.begin(); iter != mOverlapPanel->mOverlapMap.end(); ++iter)
-			{
-				LLView* viewp = iter->first;
-				LLView::sPreviewHighlightedElements.insert(viewp);
-			}
-		}
-		else if(LLView::sHighlightingDiffs)
-		{
-			highlightChangedElements();
-		}
-	}
-
-	// NOTE: language is reset here automatically when the reset forcer object falls out of scope (see header for details)
+    // Convince UI that we're in a different language (the one selected on the drop-down menu)
+    LLLocalizationResetForcer reset_forcer(this, ID);                       // save old language in reset forcer object (to be reset upon destruction when it falls out of scope)
+
+    LLPreviewedFloater** floaterp = (ID == 1 ? &(mDisplayedFloater) : &(mDisplayedFloater_2));
+    if(ID == 1)
+    {
+        BOOL floater_already_open = mDisplayedFloater != NULL;
+        if(floater_already_open)                                            // if we are already displaying a floater
+        {
+            mLastDisplayedX = mDisplayedFloater->calcScreenRect().mLeft;    // save floater's last known position to put the new one there
+            mLastDisplayedY = mDisplayedFloater->calcScreenRect().mBottom;
+            delete mDisplayedFloater;                           // delete it (this closes it too)
+            mDisplayedFloater = NULL;                           // and reset the pointer
+        }
+    }
+    else
+    {
+        if(mDisplayedFloater_2 != NULL)
+        {
+            delete mDisplayedFloater_2;
+            mDisplayedFloater_2 = NULL;
+        }
+    }
+
+    std::string path = mFileList->getSelectedItemLabel(1);      // get the path of the currently-selected floater
+    if(std::string("") == path)                                         // if no item is selected
+    {
+        return;                                                         // ignore click (this can only happen with empty list; otherwise an item is always selected)
+    }
+
+    LLFloater::Params p(LLFloater::getDefaultParams());
+    p.min_height=p.header_height;
+    p.min_width=10;
+
+    *floaterp = new LLPreviewedFloater(this, p);
+
+    if(!strncmp(path.c_str(),"floater_",8)
+        || !strncmp(path.c_str(), "inspect_", 8))       // if it's a floater
+    {
+        (*floaterp)->buildFromFile(path);   // just build it
+        (*floaterp)->openFloater((*floaterp)->getKey());
+        (*floaterp)->setCanResize((*floaterp)->isResizable());
+    }
+    else if (!strncmp(path.c_str(),"menu_",5))                              // if it's a menu
+    {
+        // former 'save' processing excised
+    }
+    else                                                                // if it is a panel...
+    {
+        (*floaterp)->setCanResize(true);
+
+        const LLFloater::Params& floater_params = LLFloater::getDefaultParams();
+        S32 floater_header_size = floater_params.header_height;
+
+        LLPanel::Params panel_params;
+        LLPanel* panel = LLUICtrlFactory::create<LLPanel>(panel_params);    // create a new panel
+
+        panel->buildFromFile(path);                                     // build it
+        panel->setOrigin(2,2);                                          // reset its origin point so it's not offset by -left or other XUI attributes
+        (*floaterp)->setTitle(path);                                    // use the file name as its title, since panels have no guaranteed meaningful name attribute
+        panel->setUseBoundingRect(TRUE);                                // enable the use of its outer bounding rect (normally disabled because it's O(n) on the number of sub-elements)
+        panel->updateBoundingRect();                                    // update bounding rect
+        LLRect bounding_rect = panel->getBoundingRect();                // get the bounding rect
+        LLRect new_rect = panel->getRect();                             // get the panel's rect
+        new_rect.unionWith(bounding_rect);                              // union them to make sure we get the biggest one possible
+        LLRect floater_rect = new_rect;
+        floater_rect.stretch(4, 4);
+        (*floaterp)->reshape(floater_rect.getWidth(), floater_rect.getHeight() + floater_header_size);  // reshape floater to match the union rect's dimensions
+        panel->reshape(new_rect.getWidth(), new_rect.getHeight());      // reshape panel to match the union rect's dimensions as well (both are needed)
+        (*floaterp)->addChild(panel);                   // add panel as child
+        (*floaterp)->openFloater();                     // open floater (needed?)
+    }
+
+    if(ID == 1)
+    {
+        (*floaterp)->setOrigin(mLastDisplayedX, mLastDisplayedY);
+    }
+
+    // *HACK: Remove ability to close it; if you close it, its destructor gets called, but we don't know it's null and try to delete it again,
+    // resulting in a double free
+    (*floaterp)->setCanClose(FALSE);
+
+    if(ID == 1)
+    {
+        mCloseOtherButton->setEnabled(TRUE);    // enable my floater's close button
+    }
+    else
+    {
+        mCloseOtherButton_2->setEnabled(TRUE);
+    }
+
+    // Add localization to title so user knows whether it's localized or defaulted to en
+    std::string full_path = getLocalizedDirectory() + path;
+    std::string floater_lang = "EN";
+    llstat dummy;
+    if(!LLFile::stat(full_path.c_str(), &dummy))    // if the file does not exist
+    {
+        floater_lang = getLocStr(ID);
+    }
+    std::string new_title = (*floaterp)->getTitle() + std::string(" [") + floater_lang +
+                        (ID == 1 ? " - Primary" : " - Secondary") + std::string("]");
+    (*floaterp)->setTitle(new_title);
+
+    (*floaterp)->center();
+    addDependentFloater(*floaterp);
+
+    if(click && ID == 1)
+    {
+        // set up live file to track it
+        if(mLiveFile)
+        {
+            delete mLiveFile;
+            mLiveFile = NULL;
+        }
+        mLiveFile = new LLGUIPreviewLiveFile(std::string(full_path.c_str()),std::string(path.c_str()),this);
+        mLiveFile->checkAndReload();
+        mLiveFile->addToEventTimer();
+    }
+
+    if(ID == 1)
+    {
+        mToggleOverlapButton->setEnabled(TRUE);
+    }
+
+    if(LLView::sHighlightingDiffs && click && ID == 1)
+    {
+        highlightChangedElements();
+    }
+
+    if(ID == 1)
+    {
+        mOverlapPanel->mOverlapMap.clear();
+        LLView::sPreviewClickedElement = NULL;  // stop overlapping elements from drawing
+        mOverlapPanel->mLastClickedElement = NULL;
+        findOverlapsInChildren((LLView*)mDisplayedFloater);
+
+        // highlight and enable them
+        if(mHighlightingOverlaps)
+        {
+            for(LLOverlapPanel::OverlapMap::iterator iter = mOverlapPanel->mOverlapMap.begin(); iter != mOverlapPanel->mOverlapMap.end(); ++iter)
+            {
+                LLView* viewp = iter->first;
+                LLView::sPreviewHighlightedElements.insert(viewp);
+            }
+        }
+        else if(LLView::sHighlightingDiffs)
+        {
+            highlightChangedElements();
+        }
+    }
+
+    // NOTE: language is reset here automatically when the reset forcer object falls out of scope (see header for details)
 }
 
 // Respond to button click to edit currently-selected floater
 void LLFloaterUIPreview::onClickEditFloater()
 {
-	// Determine file to edit.
-	std::string file_path;
-	{
-		std::string file_name = mFileList->getSelectedItemLabel(1);	// get the file name of the currently-selected floater
-		if (file_name.empty())					// if no item is selected
-		{
-			LL_WARNS() << "No file selected" << LL_ENDL;
-			return;															// ignore click
-		}
-		file_path = getLocalizedDirectory() + file_name;
-
-		// stat file to see if it exists (some localized versions may not have it there are no diffs, and then we try to open an nonexistent file)
-		llstat dummy;
-		if(LLFile::stat(file_path.c_str(), &dummy))								// if the file does not exist
-		{
-			popupAndPrintWarning("No file for this floater exists in the selected localization.  Opening the EN version instead.");
-			file_path = get_xui_dir() + mDelim + "en" + mDelim + file_name; // open the en version instead, by default
-		}
-	}
-
-	// Set the editor command.
-	std::string cmd_override;
-	{
-		std::string bin = mEditorPathTextBox->getText();
-		if (!bin.empty())
-		{
-			// surround command with double quotes for the case if the path contains spaces
-			if (bin.find("\"") == std::string::npos)
-			{
-				bin = "\"" + bin + "\"";
-			}
-
-			std::string args = mEditorArgsTextBox->getText();
-			cmd_override = bin + " " + args;
-		}
-	}
-
-	LLExternalEditor::EErrorCode status = mExternalEditor.setCommand("LL_XUI_EDITOR", cmd_override);
-	if (status != LLExternalEditor::EC_SUCCESS)
-	{
-		std::string warning;
-
-		if (status == LLExternalEditor::EC_NOT_SPECIFIED) // Use custom message for this error.
-		{
-			warning = getString("ExternalEditorNotSet");
-		}
-		else
-		{
-			warning = LLExternalEditor::getErrorMessage(status);
-		}
-
-		popupAndPrintWarning(warning);
-		return;
-	}
-
-	// Run the editor.
-	if (mExternalEditor.run(file_path) != LLExternalEditor::EC_SUCCESS)
-	{
-		popupAndPrintWarning(LLExternalEditor::getErrorMessage(status));
-		return;
-	}
+    // Determine file to edit.
+    std::string file_path;
+    {
+        std::string file_name = mFileList->getSelectedItemLabel(1); // get the file name of the currently-selected floater
+        if (file_name.empty())                  // if no item is selected
+        {
+            LL_WARNS() << "No file selected" << LL_ENDL;
+            return;                                                         // ignore click
+        }
+        file_path = getLocalizedDirectory() + file_name;
+
+        // stat file to see if it exists (some localized versions may not have it there are no diffs, and then we try to open an nonexistent file)
+        llstat dummy;
+        if(LLFile::stat(file_path.c_str(), &dummy))                             // if the file does not exist
+        {
+            popupAndPrintWarning("No file for this floater exists in the selected localization.  Opening the EN version instead.");
+            file_path = get_xui_dir() + mDelim + "en" + mDelim + file_name; // open the en version instead, by default
+        }
+    }
+
+    // Set the editor command.
+    std::string cmd_override;
+    {
+        std::string bin = mEditorPathTextBox->getText();
+        if (!bin.empty())
+        {
+            // surround command with double quotes for the case if the path contains spaces
+            if (bin.find("\"") == std::string::npos)
+            {
+                bin = "\"" + bin + "\"";
+            }
+
+            std::string args = mEditorArgsTextBox->getText();
+            cmd_override = bin + " " + args;
+        }
+    }
+
+    LLExternalEditor::EErrorCode status = mExternalEditor.setCommand("LL_XUI_EDITOR", cmd_override);
+    if (status != LLExternalEditor::EC_SUCCESS)
+    {
+        std::string warning;
+
+        if (status == LLExternalEditor::EC_NOT_SPECIFIED) // Use custom message for this error.
+        {
+            warning = getString("ExternalEditorNotSet");
+        }
+        else
+        {
+            warning = LLExternalEditor::getErrorMessage(status);
+        }
+
+        popupAndPrintWarning(warning);
+        return;
+    }
+
+    // Run the editor.
+    if (mExternalEditor.run(file_path) != LLExternalEditor::EC_SUCCESS)
+    {
+        popupAndPrintWarning(LLExternalEditor::getErrorMessage(status));
+        return;
+    }
 }
 
 // Respond to button click to browse for an executable with which to edit XML files
@@ -1028,398 +1028,398 @@ void LLFloaterUIPreview::onClickBrowseForEditor()
 
 void LLFloaterUIPreview::getExecutablePath(const std::vector<std::string>& filenames)
 {
-	// put the selected path into text field
-	const std::string chosen_path = filenames[0];
-	std::string executable_path = chosen_path;
+    // put the selected path into text field
+    const std::string chosen_path = filenames[0];
+    std::string executable_path = chosen_path;
 #if LL_DARWIN
-	// on Mac, if it's an application bundle, figure out the actual path from the Info.plist file
-	CFStringRef path_cfstr = CFStringCreateWithCString(kCFAllocatorDefault, chosen_path.c_str(), kCFStringEncodingMacRoman);		// get path as a CFStringRef
-	CFURLRef path_url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, path_cfstr, kCFURLPOSIXPathStyle, TRUE);			// turn it into a CFURLRef
-	CFBundleRef chosen_bundle = CFBundleCreate(kCFAllocatorDefault, path_url);												// get a handle for the bundle
-	if(NULL != chosen_bundle)
-	{
-		CFDictionaryRef bundleInfoDict = CFBundleGetInfoDictionary(chosen_bundle);												// get the bundle's dictionary
-		if(NULL != bundleInfoDict)
-		{
-			CFStringRef executable_cfstr = (CFStringRef)CFDictionaryGetValue(bundleInfoDict, CFSTR("CFBundleExecutable"));	// get the name of the actual executable (e.g. TextEdit or firefox-bin)
-			int max_file_length = 256;																						// (max file name length is 255 in OSX)
-			char executable_buf[max_file_length];
-			if(CFStringGetCString(executable_cfstr, executable_buf, max_file_length, kCFStringEncodingMacRoman))			// convert CFStringRef to char*
-			{
-				executable_path += std::string("/Contents/MacOS/") + std::string(executable_buf);							// append path to executable directory and then executable name to exec path
-			}
-			else
-			{
-				std::string warning = "Unable to get CString from CFString for executable path";
-				popupAndPrintWarning(warning);
-			}
-		}
-		else
-		{
-			std::string warning = "Unable to get bundle info dictionary from application bundle";
-			popupAndPrintWarning(warning);
-		}
-	}
-	else
-	{
-		if(-1 != executable_path.find(".app"))	// only warn if this path actually had ".app" in it, i.e. it probably just wasn'nt an app bundle and that's okay
-		{
-			std::string warning = std::string("Unable to get bundle from path \"") + chosen_path + std::string("\"");
-			popupAndPrintWarning(warning);
-		}
-	}
+    // on Mac, if it's an application bundle, figure out the actual path from the Info.plist file
+    CFStringRef path_cfstr = CFStringCreateWithCString(kCFAllocatorDefault, chosen_path.c_str(), kCFStringEncodingMacRoman);        // get path as a CFStringRef
+    CFURLRef path_url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, path_cfstr, kCFURLPOSIXPathStyle, TRUE);         // turn it into a CFURLRef
+    CFBundleRef chosen_bundle = CFBundleCreate(kCFAllocatorDefault, path_url);                                              // get a handle for the bundle
+    if(NULL != chosen_bundle)
+    {
+        CFDictionaryRef bundleInfoDict = CFBundleGetInfoDictionary(chosen_bundle);                                              // get the bundle's dictionary
+        if(NULL != bundleInfoDict)
+        {
+            CFStringRef executable_cfstr = (CFStringRef)CFDictionaryGetValue(bundleInfoDict, CFSTR("CFBundleExecutable"));  // get the name of the actual executable (e.g. TextEdit or firefox-bin)
+            int max_file_length = 256;                                                                                      // (max file name length is 255 in OSX)
+            char executable_buf[max_file_length];
+            if(CFStringGetCString(executable_cfstr, executable_buf, max_file_length, kCFStringEncodingMacRoman))            // convert CFStringRef to char*
+            {
+                executable_path += std::string("/Contents/MacOS/") + std::string(executable_buf);                           // append path to executable directory and then executable name to exec path
+            }
+            else
+            {
+                std::string warning = "Unable to get CString from CFString for executable path";
+                popupAndPrintWarning(warning);
+            }
+        }
+        else
+        {
+            std::string warning = "Unable to get bundle info dictionary from application bundle";
+            popupAndPrintWarning(warning);
+        }
+    }
+    else
+    {
+        if(-1 != executable_path.find(".app"))  // only warn if this path actually had ".app" in it, i.e. it probably just wasn'nt an app bundle and that's okay
+        {
+            std::string warning = std::string("Unable to get bundle from path \"") + chosen_path + std::string("\"");
+            popupAndPrintWarning(warning);
+        }
+    }
 
 #endif
-	mEditorPathTextBox->setText(std::string(executable_path));	// copy the path to the executable to the textfield for display and later fetching
+    mEditorPathTextBox->setText(std::string(executable_path));  // copy the path to the executable to the textfield for display and later fetching
 }
 
 // Respond to button click to browse for a VLT-generated diffs file
 void LLFloaterUIPreview::onClickBrowseForDiffs()
 {
-	// create load dialog box
+    // create load dialog box
     LLFilePickerReplyThread::startPicker(boost::bind(&LLFloaterUIPreview::getDiffsFilePath, this, _1), LLFilePicker::FFLOAD_XML, false);
 }
 
 void LLFloaterUIPreview::getDiffsFilePath(const std::vector<std::string>& filenames)
 {
-	// put the selected path into text field
-	const std::string chosen_path = filenames[0];
-	mDiffPathTextBox->setText(std::string(chosen_path));	// copy the path to the executable to the textfield for display and later fetching
-	if(LLView::sHighlightingDiffs)								// if we're already highlighting, toggle off and then on so we get the data from the new file
-	{
-		onClickToggleDiffHighlighting();
-		onClickToggleDiffHighlighting();
-	}
+    // put the selected path into text field
+    const std::string chosen_path = filenames[0];
+    mDiffPathTextBox->setText(std::string(chosen_path));    // copy the path to the executable to the textfield for display and later fetching
+    if(LLView::sHighlightingDiffs)                              // if we're already highlighting, toggle off and then on so we get the data from the new file
+    {
+        onClickToggleDiffHighlighting();
+        onClickToggleDiffHighlighting();
+    }
 }
 
 void LLFloaterUIPreview::onClickToggleDiffHighlighting()
 {
-	if(mHighlightingOverlaps)
-	{
-		onClickToggleOverlapping();
-		mToggleOverlapButton->toggleState();
-	}
-
-	LLView::sPreviewHighlightedElements.clear();	// clear lists first
-	mDiffsMap.clear();
-	mFileList->clearHighlightedItems();
-
-	if(LLView::sHighlightingDiffs)				// Turning highlighting off
-	{
-		LLView::sHighlightingDiffs = !sHighlightingDiffs;
-		return;
-	}
-	else											// Turning highlighting on
-	{
-		// Get the file and make sure it exists
-		std::string path_in_textfield = mDiffPathTextBox->getText();	// get file path
-		BOOL error = FALSE;
-
-		if(std::string("") == path_in_textfield)									// check for blank file
-		{
-			std::string warning = "Unable to highlight differences because no file was provided; fill in the relevant text field";
-			popupAndPrintWarning(warning);
-			error = TRUE;
-		}
-
-		llstat dummy;
-		if(LLFile::stat(path_in_textfield.c_str(), &dummy) && !error)			// check if the file exists (empty check is reduntant but useful for the informative error message)
-		{
-			std::string warning = std::string("Unable to highlight differences because an invalid path to a difference file was provided:\"") + path_in_textfield + "\"";
-			popupAndPrintWarning(warning);
-			error = TRUE;
-		}
-
-		// Build a list of changed elements as given by the XML
-		std::list<std::string> changed_element_names;
-		LLXmlTree xml_tree;
-		BOOL success = xml_tree.parseFile(path_in_textfield.c_str(), TRUE);
-
-		if(success && !error)
-		{
-			LLXmlTreeNode* root_floater = xml_tree.getRoot();
-			if(!strncmp("XuiDelta",root_floater->getName().c_str(),9))
-			{
-				for (LLXmlTreeNode* child = root_floater->getFirstChild();		// get the first child first, then below get the next one; otherwise the iterator is invalid (bug or feature in XML code?)
-					 child != NULL;
- 					 child = root_floater->getNextChild())	// get child for next iteration
-				{
-					if(!strncmp("file",child->getName().c_str(),5))
-					{
-						scanDiffFile(child);
-					}
-					else if(!strncmp("error",child->getName().c_str(),6))
-					{
-						std::string error_file, error_message;
-						child->getAttributeString("filename",error_file);
-						child->getAttributeString("message",error_message);
-						if(mDiffsMap.find(error_file) != mDiffsMap.end())
-						{
-							mDiffsMap.insert(std::make_pair(error_file,std::make_pair(StringListPtr(new StringList), StringListPtr(new StringList))));
-						}
-						mDiffsMap[error_file].second->push_back(error_message);
-					}
-					else
-					{
-						std::string warning = std::string("Child was neither a file or an error, but rather the following:\"") + std::string(child->getName()) + "\"";
-						popupAndPrintWarning(warning);
-						error = TRUE;
-						break;
-					}
-				}
-			}
-			else
-			{
-				std::string warning = std::string("Root node not named XuiDelta:\"") + path_in_textfield + "\"";
-				popupAndPrintWarning(warning);
-				error = TRUE;
-			}
-		}
-		else if(!error)
-		{
-			std::string warning = std::string("Unable to create tree from XML:\"") + path_in_textfield + "\"";
-			popupAndPrintWarning(warning);
-			error = TRUE;
-		}
-
-		if(error)	// if we encountered an error, reset the button to off
-		{
-			mToggleHighlightButton->setToggleState(FALSE);		
-		}
-		else		// only toggle if we didn't encounter an error
-		{
-			LLView::sHighlightingDiffs = !sHighlightingDiffs;
-			highlightChangedElements();		// *TODO: this is extraneous, right?
-			highlightChangedFiles();			// *TODO: this is extraneous, right?
-		}
-	}
+    if(mHighlightingOverlaps)
+    {
+        onClickToggleOverlapping();
+        mToggleOverlapButton->toggleState();
+    }
+
+    LLView::sPreviewHighlightedElements.clear();    // clear lists first
+    mDiffsMap.clear();
+    mFileList->clearHighlightedItems();
+
+    if(LLView::sHighlightingDiffs)              // Turning highlighting off
+    {
+        LLView::sHighlightingDiffs = !sHighlightingDiffs;
+        return;
+    }
+    else                                            // Turning highlighting on
+    {
+        // Get the file and make sure it exists
+        std::string path_in_textfield = mDiffPathTextBox->getText();    // get file path
+        BOOL error = FALSE;
+
+        if(std::string("") == path_in_textfield)                                    // check for blank file
+        {
+            std::string warning = "Unable to highlight differences because no file was provided; fill in the relevant text field";
+            popupAndPrintWarning(warning);
+            error = TRUE;
+        }
+
+        llstat dummy;
+        if(LLFile::stat(path_in_textfield.c_str(), &dummy) && !error)           // check if the file exists (empty check is reduntant but useful for the informative error message)
+        {
+            std::string warning = std::string("Unable to highlight differences because an invalid path to a difference file was provided:\"") + path_in_textfield + "\"";
+            popupAndPrintWarning(warning);
+            error = TRUE;
+        }
+
+        // Build a list of changed elements as given by the XML
+        std::list<std::string> changed_element_names;
+        LLXmlTree xml_tree;
+        BOOL success = xml_tree.parseFile(path_in_textfield.c_str(), TRUE);
+
+        if(success && !error)
+        {
+            LLXmlTreeNode* root_floater = xml_tree.getRoot();
+            if(!strncmp("XuiDelta",root_floater->getName().c_str(),9))
+            {
+                for (LLXmlTreeNode* child = root_floater->getFirstChild();      // get the first child first, then below get the next one; otherwise the iterator is invalid (bug or feature in XML code?)
+                     child != NULL;
+                     child = root_floater->getNextChild())  // get child for next iteration
+                {
+                    if(!strncmp("file",child->getName().c_str(),5))
+                    {
+                        scanDiffFile(child);
+                    }
+                    else if(!strncmp("error",child->getName().c_str(),6))
+                    {
+                        std::string error_file, error_message;
+                        child->getAttributeString("filename",error_file);
+                        child->getAttributeString("message",error_message);
+                        if(mDiffsMap.find(error_file) != mDiffsMap.end())
+                        {
+                            mDiffsMap.insert(std::make_pair(error_file,std::make_pair(StringListPtr(new StringList), StringListPtr(new StringList))));
+                        }
+                        mDiffsMap[error_file].second->push_back(error_message);
+                    }
+                    else
+                    {
+                        std::string warning = std::string("Child was neither a file or an error, but rather the following:\"") + std::string(child->getName()) + "\"";
+                        popupAndPrintWarning(warning);
+                        error = TRUE;
+                        break;
+                    }
+                }
+            }
+            else
+            {
+                std::string warning = std::string("Root node not named XuiDelta:\"") + path_in_textfield + "\"";
+                popupAndPrintWarning(warning);
+                error = TRUE;
+            }
+        }
+        else if(!error)
+        {
+            std::string warning = std::string("Unable to create tree from XML:\"") + path_in_textfield + "\"";
+            popupAndPrintWarning(warning);
+            error = TRUE;
+        }
+
+        if(error)   // if we encountered an error, reset the button to off
+        {
+            mToggleHighlightButton->setToggleState(FALSE);
+        }
+        else        // only toggle if we didn't encounter an error
+        {
+            LLView::sHighlightingDiffs = !sHighlightingDiffs;
+            highlightChangedElements();     // *TODO: this is extraneous, right?
+            highlightChangedFiles();            // *TODO: this is extraneous, right?
+        }
+    }
 }
 
 void LLFloaterUIPreview::scanDiffFile(LLXmlTreeNode* file_node)
 {
-	// Get file name
-	std::string file_name;
-	file_node->getAttributeString("name",file_name);
-	if(std::string("") == file_name)
-	{
-		std::string warning = std::string("Empty file name encountered in differences:\"") + file_name + "\"";
-		popupAndPrintWarning(warning);
-		return;
-	}
-
-	// Get a list of changed elements
-	// Get the first child first, then below get the next one; otherwise the iterator is invalid (bug or feature in XML code?)
-	for (LLXmlTreeNode* child = file_node->getFirstChild(); child != NULL; child = file_node->getNextChild())
-	{
-		if(!strncmp("delta",child->getName().c_str(),6))
-		{
-			std::string id;
-			child->getAttributeString("id",id);
-			if(mDiffsMap.find(file_name) == mDiffsMap.end())
-			{
-				mDiffsMap.insert(std::make_pair(file_name,std::make_pair(StringListPtr(new StringList), StringListPtr(new StringList))));
-			}
-			mDiffsMap[file_name].first->push_back(std::string(id.c_str()));
-		}
-		else
-		{
-			std::string warning = std::string("Child of file was not a delta, but rather the following:\"") + std::string(child->getName()) + "\"";
-			popupAndPrintWarning(warning);
-			return;
-		}
-	}
+    // Get file name
+    std::string file_name;
+    file_node->getAttributeString("name",file_name);
+    if(std::string("") == file_name)
+    {
+        std::string warning = std::string("Empty file name encountered in differences:\"") + file_name + "\"";
+        popupAndPrintWarning(warning);
+        return;
+    }
+
+    // Get a list of changed elements
+    // Get the first child first, then below get the next one; otherwise the iterator is invalid (bug or feature in XML code?)
+    for (LLXmlTreeNode* child = file_node->getFirstChild(); child != NULL; child = file_node->getNextChild())
+    {
+        if(!strncmp("delta",child->getName().c_str(),6))
+        {
+            std::string id;
+            child->getAttributeString("id",id);
+            if(mDiffsMap.find(file_name) == mDiffsMap.end())
+            {
+                mDiffsMap.insert(std::make_pair(file_name,std::make_pair(StringListPtr(new StringList), StringListPtr(new StringList))));
+            }
+            mDiffsMap[file_name].first->push_back(std::string(id.c_str()));
+        }
+        else
+        {
+            std::string warning = std::string("Child of file was not a delta, but rather the following:\"") + std::string(child->getName()) + "\"";
+            popupAndPrintWarning(warning);
+            return;
+        }
+    }
 }
 
 void LLFloaterUIPreview::highlightChangedElements()
 {
-	if(NULL == mLiveFile)
-	{
-		return;
-	}
-
-	// Process differences first (we want their warnings to be shown underneath other warnings)
-	StringListPtr changed_element_paths;
-	DiffMap::iterator iterExists = mDiffsMap.find(mLiveFile->mFileName);
-	if(iterExists != mDiffsMap.end())
-	{
-		changed_element_paths = mDiffsMap[mLiveFile->mFileName].first;		// retrieve list of changed element paths from map
-	}
-
-	for(std::list<std::string>::iterator iter = changed_element_paths->begin(); iter != changed_element_paths->end(); ++iter)	// for every changed element path
-	{
-		LLView* element = mDisplayedFloater;
-		if(!strncmp(iter->c_str(),".",1))	// if it's the root floater itself
-		{
-			continue;
-		}
-
-		// Split element hierarchy path on period (*HACK: it's possible that the element name will have a period in it, in which case this won't work.  See https://wiki.lindenlab.com/wiki/Viewer_Localization_Tool_Documentation.)
-		typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
-		boost::char_separator<char> sep(".");
-		tokenizer tokens(*iter, sep);
-		tokenizer::iterator token_iter;
-		BOOL failed = FALSE;
-		for(token_iter = tokens.begin(); token_iter != tokens.end(); ++token_iter)
-		{
-			element = element->findChild<LLView>(*token_iter,FALSE);	// try to find element: don't recur, and don't create if missing
-
-			// if we still didn't find it...
-			if(NULL == element)												
-			{
-				LL_INFOS() << "Unable to find element in XuiDelta file named \"" << *iter << "\" in file \"" << mLiveFile->mFileName <<
-							"\". The element may no longer exist, the path may be incorrect, or it may not be a non-displayable element (not an LLView) such as a \"string\" type." << LL_ENDL;
-				failed = TRUE;
-				break;
-			}
-		}
-
-		if(!failed)
-		{
-			// Now that we have a pointer to the actual element, add it to the list of elements to be highlighted
-			std::set<LLView*>::iterator iter2 = std::find(LLView::sPreviewHighlightedElements.begin(), LLView::sPreviewHighlightedElements.end(), element);
-			if(iter2 == LLView::sPreviewHighlightedElements.end())
-			{
-				LLView::sPreviewHighlightedElements.insert(element);
-			}
-		}
-	}
-
-	// Process errors second, so their warnings show up on top of other warnings
-	StringListPtr error_list;
-	if(iterExists != mDiffsMap.end())
-	{
-		error_list = mDiffsMap[mLiveFile->mFileName].second;
-	}
-	for(std::list<std::string>::iterator iter = error_list->begin(); iter != error_list->end(); ++iter)	// for every changed element path
-	{
-		std::string warning = std::string("Error listed among differences.  Filename: \"") + mLiveFile->mFileName + "\".  Message: \"" + *iter + "\"";
-		popupAndPrintWarning(warning);
-	}
+    if(NULL == mLiveFile)
+    {
+        return;
+    }
+
+    // Process differences first (we want their warnings to be shown underneath other warnings)
+    StringListPtr changed_element_paths;
+    DiffMap::iterator iterExists = mDiffsMap.find(mLiveFile->mFileName);
+    if(iterExists != mDiffsMap.end())
+    {
+        changed_element_paths = mDiffsMap[mLiveFile->mFileName].first;      // retrieve list of changed element paths from map
+    }
+
+    for(std::list<std::string>::iterator iter = changed_element_paths->begin(); iter != changed_element_paths->end(); ++iter)   // for every changed element path
+    {
+        LLView* element = mDisplayedFloater;
+        if(!strncmp(iter->c_str(),".",1))   // if it's the root floater itself
+        {
+            continue;
+        }
+
+        // Split element hierarchy path on period (*HACK: it's possible that the element name will have a period in it, in which case this won't work.  See https://wiki.lindenlab.com/wiki/Viewer_Localization_Tool_Documentation.)
+        typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
+        boost::char_separator<char> sep(".");
+        tokenizer tokens(*iter, sep);
+        tokenizer::iterator token_iter;
+        BOOL failed = FALSE;
+        for(token_iter = tokens.begin(); token_iter != tokens.end(); ++token_iter)
+        {
+            element = element->findChild<LLView>(*token_iter,FALSE);    // try to find element: don't recur, and don't create if missing
+
+            // if we still didn't find it...
+            if(NULL == element)
+            {
+                LL_INFOS() << "Unable to find element in XuiDelta file named \"" << *iter << "\" in file \"" << mLiveFile->mFileName <<
+                            "\". The element may no longer exist, the path may be incorrect, or it may not be a non-displayable element (not an LLView) such as a \"string\" type." << LL_ENDL;
+                failed = TRUE;
+                break;
+            }
+        }
+
+        if(!failed)
+        {
+            // Now that we have a pointer to the actual element, add it to the list of elements to be highlighted
+            std::set<LLView*>::iterator iter2 = std::find(LLView::sPreviewHighlightedElements.begin(), LLView::sPreviewHighlightedElements.end(), element);
+            if(iter2 == LLView::sPreviewHighlightedElements.end())
+            {
+                LLView::sPreviewHighlightedElements.insert(element);
+            }
+        }
+    }
+
+    // Process errors second, so their warnings show up on top of other warnings
+    StringListPtr error_list;
+    if(iterExists != mDiffsMap.end())
+    {
+        error_list = mDiffsMap[mLiveFile->mFileName].second;
+    }
+    for(std::list<std::string>::iterator iter = error_list->begin(); iter != error_list->end(); ++iter) // for every changed element path
+    {
+        std::string warning = std::string("Error listed among differences.  Filename: \"") + mLiveFile->mFileName + "\".  Message: \"" + *iter + "\"";
+        popupAndPrintWarning(warning);
+    }
 }
 
 void LLFloaterUIPreview::highlightChangedFiles()
 {
-	for(DiffMap::iterator iter = mDiffsMap.begin(); iter != mDiffsMap.end(); ++iter)	// for every file listed in diffs
-	{
-		LLScrollListItem* item = mFileList->getItemByLabel(std::string(iter->first), FALSE, 1);
-		if(item)
-		{
-			item->setHighlighted(TRUE);
-		}
-	}
+    for(DiffMap::iterator iter = mDiffsMap.begin(); iter != mDiffsMap.end(); ++iter)    // for every file listed in diffs
+    {
+        LLScrollListItem* item = mFileList->getItemByLabel(std::string(iter->first), FALSE, 1);
+        if(item)
+        {
+            item->setHighlighted(TRUE);
+        }
+    }
 }
 
 // Respond to button click to browse for an executable with which to edit XML files
 void LLFloaterUIPreview::onClickCloseDisplayedFloater(S32 caller_id)
 {
-	if(caller_id == PRIMARY_FLOATER)
-	{
-		mCloseOtherButton->setEnabled(FALSE);
-		mToggleOverlapButton->setEnabled(FALSE);
-
-		if(mDisplayedFloater)
-		{
-			mLastDisplayedX = mDisplayedFloater->calcScreenRect().mLeft;
-			mLastDisplayedY = mDisplayedFloater->calcScreenRect().mBottom;
-			delete mDisplayedFloater;
-			mDisplayedFloater = NULL;
-		}
-
-		if(mLiveFile)
-		{
-			delete mLiveFile;
-			mLiveFile = NULL;
-		}
-
-		if(mToggleOverlapButton->getToggleState())
-		{
-			mToggleOverlapButton->toggleState();
-			onClickToggleOverlapping();
-		}
-
-		LLView::sPreviewClickedElement = NULL;	// stop overlapping elements panel from drawing
-		mOverlapPanel->mLastClickedElement = NULL;
-	}
-	else
-	{
-		mCloseOtherButton_2->setEnabled(FALSE);
-		delete mDisplayedFloater_2;
-		mDisplayedFloater_2 = NULL;
-	}
+    if(caller_id == PRIMARY_FLOATER)
+    {
+        mCloseOtherButton->setEnabled(FALSE);
+        mToggleOverlapButton->setEnabled(FALSE);
+
+        if(mDisplayedFloater)
+        {
+            mLastDisplayedX = mDisplayedFloater->calcScreenRect().mLeft;
+            mLastDisplayedY = mDisplayedFloater->calcScreenRect().mBottom;
+            delete mDisplayedFloater;
+            mDisplayedFloater = NULL;
+        }
+
+        if(mLiveFile)
+        {
+            delete mLiveFile;
+            mLiveFile = NULL;
+        }
+
+        if(mToggleOverlapButton->getToggleState())
+        {
+            mToggleOverlapButton->toggleState();
+            onClickToggleOverlapping();
+        }
+
+        LLView::sPreviewClickedElement = NULL;  // stop overlapping elements panel from drawing
+        mOverlapPanel->mLastClickedElement = NULL;
+    }
+    else
+    {
+        mCloseOtherButton_2->setEnabled(FALSE);
+        delete mDisplayedFloater_2;
+        mDisplayedFloater_2 = NULL;
+    }
 
 }
 
 void append_view_tooltip(LLView* tooltip_view, std::string *tooltip_msg)
 {
-	LLRect rect = tooltip_view->getRect();
-	LLRect parent_rect = tooltip_view->getParent()->getRect();
-	S32 left = rect.mLeft;
-	// invert coordinate system for XUI top-left layout
-	S32 top = parent_rect.getHeight() - rect.mTop;
-	if (!tooltip_msg->empty())
-	{
-		tooltip_msg->append("\n");
-	}
-	std::string msg = llformat("%s %d, %d (%d x %d)",
-		tooltip_view->getName().c_str(),
-		left,
-		top,
-		rect.getWidth(),
-		rect.getHeight() );
-	tooltip_msg->append( msg );
+    LLRect rect = tooltip_view->getRect();
+    LLRect parent_rect = tooltip_view->getParent()->getRect();
+    S32 left = rect.mLeft;
+    // invert coordinate system for XUI top-left layout
+    S32 top = parent_rect.getHeight() - rect.mTop;
+    if (!tooltip_msg->empty())
+    {
+        tooltip_msg->append("\n");
+    }
+    std::string msg = llformat("%s %d, %d (%d x %d)",
+        tooltip_view->getName().c_str(),
+        left,
+        top,
+        rect.getWidth(),
+        rect.getHeight() );
+    tooltip_msg->append( msg );
 }
 
 BOOL LLPreviewedFloater::handleToolTip(S32 x, S32 y, MASK mask)
 {
-	if (!sShowRectangles)
-	{
-		return LLFloater::handleToolTip(x, y, mask);
-	}
-
-	S32 screen_x, screen_y;
-	localPointToScreen(x, y, &screen_x, &screen_y);
-	std::string tooltip_msg;
-	LLView* tooltip_view = this;
-	LLView::tree_iterator_t end_it = endTreeDFS();
-	for (LLView::tree_iterator_t it = beginTreeDFS(); it != end_it; ++it)
-	{
-		LLView* viewp = *it;
-		LLRect screen_rect;
-		viewp->localRectToScreen(viewp->getLocalRect(), &screen_rect);
-		if (!(viewp->getVisible()
-			 && screen_rect.pointInRect(screen_x, screen_y)))
-		{
-			it.skipDescendants();
-		}
-		// only report xui names for LLUICtrls, not the various container LLViews
-
-		else if (dynamic_cast<LLUICtrl*>(viewp))
-		{
-			// if we are in a new part of the tree (not a descendent of current tooltip_view)
-			// then push the results for tooltip_view and start with a new potential view
-			// NOTE: this emulates visiting only the leaf nodes that meet our criteria
-
-			if (tooltip_view != this
-				&& !viewp->hasAncestor(tooltip_view))
-			{
-				append_view_tooltip(tooltip_view, &tooltip_msg);
-			}
-			tooltip_view = viewp;
-		}
-	}
-
-	append_view_tooltip(tooltip_view, &tooltip_msg);
-	
-	LLToolTipMgr::instance().show(LLToolTip::Params()
-		.message(tooltip_msg)
-		.max_width(400));
-	return TRUE;
+    if (!sShowRectangles)
+    {
+        return LLFloater::handleToolTip(x, y, mask);
+    }
+
+    S32 screen_x, screen_y;
+    localPointToScreen(x, y, &screen_x, &screen_y);
+    std::string tooltip_msg;
+    LLView* tooltip_view = this;
+    LLView::tree_iterator_t end_it = endTreeDFS();
+    for (LLView::tree_iterator_t it = beginTreeDFS(); it != end_it; ++it)
+    {
+        LLView* viewp = *it;
+        LLRect screen_rect;
+        viewp->localRectToScreen(viewp->getLocalRect(), &screen_rect);
+        if (!(viewp->getVisible()
+             && screen_rect.pointInRect(screen_x, screen_y)))
+        {
+            it.skipDescendants();
+        }
+        // only report xui names for LLUICtrls, not the various container LLViews
+
+        else if (dynamic_cast<LLUICtrl*>(viewp))
+        {
+            // if we are in a new part of the tree (not a descendent of current tooltip_view)
+            // then push the results for tooltip_view and start with a new potential view
+            // NOTE: this emulates visiting only the leaf nodes that meet our criteria
+
+            if (tooltip_view != this
+                && !viewp->hasAncestor(tooltip_view))
+            {
+                append_view_tooltip(tooltip_view, &tooltip_msg);
+            }
+            tooltip_view = viewp;
+        }
+    }
+
+    append_view_tooltip(tooltip_view, &tooltip_msg);
+
+    LLToolTipMgr::instance().show(LLToolTip::Params()
+        .message(tooltip_msg)
+        .max_width(400));
+    return TRUE;
 }
 
 BOOL LLPreviewedFloater::handleRightMouseDown(S32 x, S32 y, MASK mask)
 {
-	selectElement(this,x,y,0);
-	return TRUE;
+    selectElement(this,x,y,0);
+    return TRUE;
 }
 
 // *NOTE: In order to hide all of the overlapping elements of the selected element so as to see it in context, here is what you would need to do:
@@ -1433,131 +1433,131 @@ BOOL LLPreviewedFloater::handleRightMouseDown(S32 x, S32 y, MASK mask)
 //   ~Jacob, 8/08
 BOOL LLPreviewedFloater::selectElement(LLView* parent, int x, int y, int depth)
 {
-	if(getVisible())
-	{
-		BOOL handled = FALSE;
-		if(LLFloaterUIPreview::containerType(parent))
-		{
-			for(child_list_const_iter_t child_it = parent->getChildList()->begin(); child_it != parent->getChildList()->end(); ++child_it)
-			{
-				LLView* child = *child_it;
-				S32 local_x = x - child->getRect().mLeft;
-				S32 local_y = y - child->getRect().mBottom;
-				if (child->pointInView(local_x, local_y) &&
-					child->getVisible() &&
-					selectElement(child, x, y, ++depth))
-				{
-					handled = TRUE;
-					break;
-				}
-			}
-		}
-
-		if(!handled)
-		{
-			LLView::sPreviewClickedElement = parent;
-		}
-		return TRUE;
-	}
-	else
-	{
-		return FALSE;
-	}
+    if(getVisible())
+    {
+        BOOL handled = FALSE;
+        if(LLFloaterUIPreview::containerType(parent))
+        {
+            for(child_list_const_iter_t child_it = parent->getChildList()->begin(); child_it != parent->getChildList()->end(); ++child_it)
+            {
+                LLView* child = *child_it;
+                S32 local_x = x - child->getRect().mLeft;
+                S32 local_y = y - child->getRect().mBottom;
+                if (child->pointInView(local_x, local_y) &&
+                    child->getVisible() &&
+                    selectElement(child, x, y, ++depth))
+                {
+                    handled = TRUE;
+                    break;
+                }
+            }
+        }
+
+        if(!handled)
+        {
+            LLView::sPreviewClickedElement = parent;
+        }
+        return TRUE;
+    }
+    else
+    {
+        return FALSE;
+    }
 }
 
 void LLPreviewedFloater::draw()
 {
-	if(NULL != mFloaterUIPreview)
-	{
-		// Set and unset sDrawPreviewHighlights flag so as to avoid using two flags
-		if(mFloaterUIPreview->mHighlightingOverlaps)
-		{
-			LLView::sDrawPreviewHighlights = TRUE;
-		}
-
-		// If we're looking for truncations, draw debug rects for the displayed
-		// floater only.
-		bool old_debug_rects = LLView::sDebugRects;
-		bool old_show_names = LLView::sDebugRectsShowNames;
-		if (sShowRectangles)
-		{
-			LLView::sDebugRects = true;
-			LLView::sDebugRectsShowNames = false;
-		}
-
-		LLFloater::draw();
-
-		LLView::sDebugRects = old_debug_rects;
-		LLView::sDebugRectsShowNames = old_show_names;
-
-		if(mFloaterUIPreview->mHighlightingOverlaps)
-		{
-			LLView::sDrawPreviewHighlights = FALSE;
-		}
-	}
+    if(NULL != mFloaterUIPreview)
+    {
+        // Set and unset sDrawPreviewHighlights flag so as to avoid using two flags
+        if(mFloaterUIPreview->mHighlightingOverlaps)
+        {
+            LLView::sDrawPreviewHighlights = TRUE;
+        }
+
+        // If we're looking for truncations, draw debug rects for the displayed
+        // floater only.
+        bool old_debug_rects = LLView::sDebugRects;
+        bool old_show_names = LLView::sDebugRectsShowNames;
+        if (sShowRectangles)
+        {
+            LLView::sDebugRects = true;
+            LLView::sDebugRectsShowNames = false;
+        }
+
+        LLFloater::draw();
+
+        LLView::sDebugRects = old_debug_rects;
+        LLView::sDebugRectsShowNames = old_show_names;
+
+        if(mFloaterUIPreview->mHighlightingOverlaps)
+        {
+            LLView::sDrawPreviewHighlights = FALSE;
+        }
+    }
 }
 
 void LLFloaterUIPreview::onClickToggleOverlapping()
 {
-	if(LLView::sHighlightingDiffs)
-	{
-		onClickToggleDiffHighlighting();
-		mToggleHighlightButton->toggleState();
-	}
-	LLView::sPreviewHighlightedElements.clear();	// clear lists first
-
-	S32 width, height;
-	getResizeLimits(&width, &height);	// illegal call of non-static member function
-	if(mHighlightingOverlaps)
-	{
-		mHighlightingOverlaps = !mHighlightingOverlaps;
-		// reset list of preview highlighted elements
-		setRect(LLRect(getRect().mLeft,getRect().mTop,getRect().mRight - mOverlapPanel->getRect().getWidth(),getRect().mBottom));
-		setResizeLimits(width - mOverlapPanel->getRect().getWidth(), height);
-	}
-	else
-	{
-		mHighlightingOverlaps = !mHighlightingOverlaps;
-		displayFloater(FALSE,1);
-		setRect(LLRect(getRect().mLeft,getRect().mTop,getRect().mRight + mOverlapPanel->getRect().getWidth(),getRect().mBottom));
-		setResizeLimits(width + mOverlapPanel->getRect().getWidth(), height);
-	}
-	getChildView("overlap_scroll")->setVisible( mHighlightingOverlaps);
+    if(LLView::sHighlightingDiffs)
+    {
+        onClickToggleDiffHighlighting();
+        mToggleHighlightButton->toggleState();
+    }
+    LLView::sPreviewHighlightedElements.clear();    // clear lists first
+
+    S32 width, height;
+    getResizeLimits(&width, &height);   // illegal call of non-static member function
+    if(mHighlightingOverlaps)
+    {
+        mHighlightingOverlaps = !mHighlightingOverlaps;
+        // reset list of preview highlighted elements
+        setRect(LLRect(getRect().mLeft,getRect().mTop,getRect().mRight - mOverlapPanel->getRect().getWidth(),getRect().mBottom));
+        setResizeLimits(width - mOverlapPanel->getRect().getWidth(), height);
+    }
+    else
+    {
+        mHighlightingOverlaps = !mHighlightingOverlaps;
+        displayFloater(FALSE,1);
+        setRect(LLRect(getRect().mLeft,getRect().mTop,getRect().mRight + mOverlapPanel->getRect().getWidth(),getRect().mBottom));
+        setResizeLimits(width + mOverlapPanel->getRect().getWidth(), height);
+    }
+    getChildView("overlap_scroll")->setVisible( mHighlightingOverlaps);
 }
 
 void LLFloaterUIPreview::findOverlapsInChildren(LLView* parent)
 {
-	if(parent->getChildCount() == 0 || !containerType(parent))	// if it has no children or isn't a container type, skip it
-	{
-		return;
-	}
-
-	// for every child of the parent
-	for(child_list_const_iter_t child_it = parent->getChildList()->begin(); child_it != parent->getChildList()->end(); ++child_it)
-	{
-		LLView* child = *child_it;
-		if(overlapIgnorable(child))
-		{
-			continue;
-		}
-
-		// for every sibling
-		for(child_list_const_iter_t sibling_it = parent->getChildList()->begin(); sibling_it != parent->getChildList()->end(); ++sibling_it)	// for each sibling
-		{
-			LLView* sibling = *sibling_it;
-			if(overlapIgnorable(sibling))
-			{
-				continue;
-			}
-
-			// if they overlap... (we don't care if they're visible or enabled -- we want to check those anyway, i.e. hidden tabs that can be later shown)
-			if(sibling != child && elementOverlap(child, sibling))
-			{
-				mOverlapPanel->mOverlapMap[child].push_back(sibling);		// add to the map
-			}
-		}
-		findOverlapsInChildren(child);						// recur
-	}
+    if(parent->getChildCount() == 0 || !containerType(parent))  // if it has no children or isn't a container type, skip it
+    {
+        return;
+    }
+
+    // for every child of the parent
+    for(child_list_const_iter_t child_it = parent->getChildList()->begin(); child_it != parent->getChildList()->end(); ++child_it)
+    {
+        LLView* child = *child_it;
+        if(overlapIgnorable(child))
+        {
+            continue;
+        }
+
+        // for every sibling
+        for(child_list_const_iter_t sibling_it = parent->getChildList()->begin(); sibling_it != parent->getChildList()->end(); ++sibling_it)    // for each sibling
+        {
+            LLView* sibling = *sibling_it;
+            if(overlapIgnorable(sibling))
+            {
+                continue;
+            }
+
+            // if they overlap... (we don't care if they're visible or enabled -- we want to check those anyway, i.e. hidden tabs that can be later shown)
+            if(sibling != child && elementOverlap(child, sibling))
+            {
+                mOverlapPanel->mOverlapMap[child].push_back(sibling);       // add to the map
+            }
+        }
+        findOverlapsInChildren(child);                      // recur
+    }
 }
 
 // *HACK: don't overlap with the drag handle and various other elements
@@ -1565,153 +1565,153 @@ void LLFloaterUIPreview::findOverlapsInChildren(LLView* parent)
 // *NOTE: If a list of elements which have localizable content were created, this function should return false if viewp's class is in that list.
 BOOL LLFloaterUIPreview::overlapIgnorable(LLView* viewp)
 {
-	return	NULL != dynamic_cast<LLDragHandle*>(viewp) ||
-			NULL != dynamic_cast<LLViewBorder*>(viewp) ||
-			NULL != dynamic_cast<LLResizeBar*>(viewp);
+    return  NULL != dynamic_cast<LLDragHandle*>(viewp) ||
+            NULL != dynamic_cast<LLViewBorder*>(viewp) ||
+            NULL != dynamic_cast<LLResizeBar*>(viewp);
 }
 
 // *HACK: these are the only two container types as of 8/08, per Richard
 // This is using dynamic casts because there is no object-oriented way to tell which elements are containers.
 BOOL LLFloaterUIPreview::containerType(LLView* viewp)
 {
-	return NULL != dynamic_cast<LLPanel*>(viewp) || NULL != dynamic_cast<LLLayoutStack*>(viewp);
+    return NULL != dynamic_cast<LLPanel*>(viewp) || NULL != dynamic_cast<LLLayoutStack*>(viewp);
 }
 
 // Check if two llview's rectangles overlap, with some tolerance
 BOOL LLFloaterUIPreview::elementOverlap(LLView* view1, LLView* view2)
 {
-	LLSD rec1 = view1->getRect().getValue();
-	LLSD rec2 = view2->getRect().getValue();
-	int tolerance = 2;
-	return (int)rec1[0] <= (int)rec2[2] - tolerance && 
-		   (int)rec2[0] <= (int)rec1[2] - tolerance && 
-		   (int)rec1[3] <= (int)rec2[1] - tolerance && 
-		   (int)rec2[3] <= (int)rec1[1] - tolerance;
+    LLSD rec1 = view1->getRect().getValue();
+    LLSD rec2 = view2->getRect().getValue();
+    int tolerance = 2;
+    return (int)rec1[0] <= (int)rec2[2] - tolerance &&
+           (int)rec2[0] <= (int)rec1[2] - tolerance &&
+           (int)rec1[3] <= (int)rec2[1] - tolerance &&
+           (int)rec2[3] <= (int)rec1[1] - tolerance;
 }
 
 void LLOverlapPanel::draw()
 {
-	static const std::string current_selection_text("Current selection: ");
-	static const std::string overlapper_text("Overlapper: ");
-	LLColor4 text_color = LLColor4::grey;
-	gGL.color4fv(text_color.mV);
-
-	if(!LLView::sPreviewClickedElement)
-	{
-		LLUI::translate(5,getRect().getHeight()-20);	// translate to top-5,left-5
-		LLView::sDrawPreviewHighlights = FALSE;
-		LLFontGL::getFontSansSerifSmall()->renderUTF8(current_selection_text, 0, 0, 0, text_color,
-				LLFontGL::LEFT, LLFontGL::BASELINE, LLFontGL::NORMAL, LLFontGL::NO_SHADOW);
-	}
-	else
-	{
-		OverlapMap::iterator iterExists = mOverlapMap.find(LLView::sPreviewClickedElement);
-		if(iterExists == mOverlapMap.end())
-		{
-			return;
-		}
-
-		std::list<LLView*> overlappers = mOverlapMap[LLView::sPreviewClickedElement];
-		if(overlappers.size() == 0)
-		{
-			LLUI::translate(5,getRect().getHeight()-20);	// translate to top-5,left-5
-			LLView::sDrawPreviewHighlights = FALSE;
-			std::string current_selection = std::string(current_selection_text + LLView::sPreviewClickedElement->getName() + " (no elements overlap)");
-			S32 text_width = LLFontGL::getFontSansSerifSmall()->getWidth(current_selection) + 10;
-			LLFontGL::getFontSansSerifSmall()->renderUTF8(current_selection, 0, 0, 0, text_color,
-					LLFontGL::LEFT, LLFontGL::BASELINE, LLFontGL::NORMAL, LLFontGL::NO_SHADOW);
-			// widen panel enough to fit this text
-			LLRect rect = getRect();
-			setRect(LLRect(rect.mLeft,rect.mTop,rect.getWidth() < text_width ? rect.mLeft + text_width : rect.mRight,rect.mTop));
-			return;
-		}
-
-		// recalculate required with and height; otherwise use cached
-		BOOL need_to_recalculate_bounds = FALSE;
-		if(mLastClickedElement == NULL)
-		{
-			need_to_recalculate_bounds = TRUE;
-		}
-
-		if(NULL == mLastClickedElement)
-		{
-			mLastClickedElement = LLView::sPreviewClickedElement;
-		}
-
-		// recalculate bounds for scroll panel
-		if(need_to_recalculate_bounds || LLView::sPreviewClickedElement->getName() != mLastClickedElement->getName())
-		{
-			// reset panel's rectangle to its default width and height (300x600)
-			LLRect panel_rect = getRect();
-			setRect(LLRect(panel_rect.mLeft,panel_rect.mTop,panel_rect.mLeft+getRect().getWidth(),panel_rect.mTop-getRect().getHeight()));
-
-			LLRect rect;
-
-			// change bounds for selected element
-			int height_sum = mLastClickedElement->getRect().getHeight() + mSpacing + 80;
-			rect = getRect();
-			setRect(LLRect(rect.mLeft,rect.mTop,rect.getWidth() > mLastClickedElement->getRect().getWidth() + 5 ? rect.mRight : rect.mLeft + mLastClickedElement->getRect().getWidth() + 5, rect.mBottom));
-
-			// and widen to accomodate text if that's wider
-			std::string display_text = current_selection_text + LLView::sPreviewClickedElement->getName();
-			S32 text_width = LLFontGL::getFontSansSerifSmall()->getWidth(display_text) + 10;
-			rect = getRect();
-			setRect(LLRect(rect.mLeft,rect.mTop,rect.getWidth() < text_width ? rect.mLeft + text_width : rect.mRight,rect.mTop));
-
-			std::list<LLView*> overlappers = mOverlapMap[LLView::sPreviewClickedElement];
-			for(std::list<LLView*>::iterator overlap_it = overlappers.begin(); overlap_it != overlappers.end(); ++overlap_it)
-			{
-				LLView* viewp = *overlap_it;
-				height_sum += viewp->getRect().getHeight() + mSpacing*3;
-		
-				// widen panel's rectangle to accommodate widest overlapping element of this floater
-				rect = getRect();
-				setRect(LLRect(rect.mLeft,rect.mTop,rect.getWidth() > viewp->getRect().getWidth() + 5 ? rect.mRight : rect.mLeft + viewp->getRect().getWidth() + 5, rect.mBottom));
-				
-				// and widen to accomodate text if that's wider
-				std::string display_text = overlapper_text + viewp->getName();
-				S32 text_width = LLFontGL::getFontSansSerifSmall()->getWidth(display_text) + 10;
-				rect = getRect();
-				setRect(LLRect(rect.mLeft,rect.mTop,rect.getWidth() < text_width ? rect.mLeft + text_width : rect.mRight,rect.mTop));
-			}
-			// change panel's height to accommodate all element heights plus spacing between them
-			rect = getRect();
-			setRect(LLRect(rect.mLeft,rect.mTop,rect.mRight,rect.mTop-height_sum));
-		}
-
-		LLUI::translate(5,getRect().getHeight()-10);	// translate to top left
-		LLView::sDrawPreviewHighlights = FALSE;
-
-		// draw currently-selected element at top of overlappers
-		LLUI::translate(0,-mSpacing);
-		LLFontGL::getFontSansSerifSmall()->renderUTF8(current_selection_text + LLView::sPreviewClickedElement->getName(), 0, 0, 0, text_color,
-				LLFontGL::LEFT, LLFontGL::BASELINE, LLFontGL::NORMAL, LLFontGL::NO_SHADOW);
-		LLUI::translate(0,-mSpacing-LLView::sPreviewClickedElement->getRect().getHeight());	// skip spacing distance + height
-		LLView::sPreviewClickedElement->draw();
-
-		for(std::list<LLView*>::iterator overlap_it = overlappers.begin(); overlap_it != overlappers.end(); ++overlap_it)
-		{
-			LLView* viewp = *overlap_it;
-
-			// draw separating line
-			LLUI::translate(0,-mSpacing);
-			gl_line_2d(0,0,getRect().getWidth()-10,0,LLColor4(192.0f/255.0f,192.0f/255.0f,192.0f/255.0f));
-
-			// draw name
-			LLUI::translate(0,-mSpacing);
-			LLFontGL::getFontSansSerifSmall()->renderUTF8(overlapper_text + viewp->getName(), 0, 0, 0, text_color,
-					LLFontGL::LEFT, LLFontGL::BASELINE, LLFontGL::NORMAL, LLFontGL::NO_SHADOW);
-
-			// draw element
-			LLUI::translate(0,-mSpacing-viewp->getRect().getHeight());	// skip spacing distance + height
-			viewp->draw();
-		}
-		mLastClickedElement = LLView::sPreviewClickedElement;
-	}
+    static const std::string current_selection_text("Current selection: ");
+    static const std::string overlapper_text("Overlapper: ");
+    LLColor4 text_color = LLColor4::grey;
+    gGL.color4fv(text_color.mV);
+
+    if(!LLView::sPreviewClickedElement)
+    {
+        LLUI::translate(5,getRect().getHeight()-20);    // translate to top-5,left-5
+        LLView::sDrawPreviewHighlights = FALSE;
+        LLFontGL::getFontSansSerifSmall()->renderUTF8(current_selection_text, 0, 0, 0, text_color,
+                LLFontGL::LEFT, LLFontGL::BASELINE, LLFontGL::NORMAL, LLFontGL::NO_SHADOW);
+    }
+    else
+    {
+        OverlapMap::iterator iterExists = mOverlapMap.find(LLView::sPreviewClickedElement);
+        if(iterExists == mOverlapMap.end())
+        {
+            return;
+        }
+
+        std::list<LLView*> overlappers = mOverlapMap[LLView::sPreviewClickedElement];
+        if(overlappers.size() == 0)
+        {
+            LLUI::translate(5,getRect().getHeight()-20);    // translate to top-5,left-5
+            LLView::sDrawPreviewHighlights = FALSE;
+            std::string current_selection = std::string(current_selection_text + LLView::sPreviewClickedElement->getName() + " (no elements overlap)");
+            S32 text_width = LLFontGL::getFontSansSerifSmall()->getWidth(current_selection) + 10;
+            LLFontGL::getFontSansSerifSmall()->renderUTF8(current_selection, 0, 0, 0, text_color,
+                    LLFontGL::LEFT, LLFontGL::BASELINE, LLFontGL::NORMAL, LLFontGL::NO_SHADOW);
+            // widen panel enough to fit this text
+            LLRect rect = getRect();
+            setRect(LLRect(rect.mLeft,rect.mTop,rect.getWidth() < text_width ? rect.mLeft + text_width : rect.mRight,rect.mTop));
+            return;
+        }
+
+        // recalculate required with and height; otherwise use cached
+        BOOL need_to_recalculate_bounds = FALSE;
+        if(mLastClickedElement == NULL)
+        {
+            need_to_recalculate_bounds = TRUE;
+        }
+
+        if(NULL == mLastClickedElement)
+        {
+            mLastClickedElement = LLView::sPreviewClickedElement;
+        }
+
+        // recalculate bounds for scroll panel
+        if(need_to_recalculate_bounds || LLView::sPreviewClickedElement->getName() != mLastClickedElement->getName())
+        {
+            // reset panel's rectangle to its default width and height (300x600)
+            LLRect panel_rect = getRect();
+            setRect(LLRect(panel_rect.mLeft,panel_rect.mTop,panel_rect.mLeft+getRect().getWidth(),panel_rect.mTop-getRect().getHeight()));
+
+            LLRect rect;
+
+            // change bounds for selected element
+            int height_sum = mLastClickedElement->getRect().getHeight() + mSpacing + 80;
+            rect = getRect();
+            setRect(LLRect(rect.mLeft,rect.mTop,rect.getWidth() > mLastClickedElement->getRect().getWidth() + 5 ? rect.mRight : rect.mLeft + mLastClickedElement->getRect().getWidth() + 5, rect.mBottom));
+
+            // and widen to accomodate text if that's wider
+            std::string display_text = current_selection_text + LLView::sPreviewClickedElement->getName();
+            S32 text_width = LLFontGL::getFontSansSerifSmall()->getWidth(display_text) + 10;
+            rect = getRect();
+            setRect(LLRect(rect.mLeft,rect.mTop,rect.getWidth() < text_width ? rect.mLeft + text_width : rect.mRight,rect.mTop));
+
+            std::list<LLView*> overlappers = mOverlapMap[LLView::sPreviewClickedElement];
+            for(std::list<LLView*>::iterator overlap_it = overlappers.begin(); overlap_it != overlappers.end(); ++overlap_it)
+            {
+                LLView* viewp = *overlap_it;
+                height_sum += viewp->getRect().getHeight() + mSpacing*3;
+
+                // widen panel's rectangle to accommodate widest overlapping element of this floater
+                rect = getRect();
+                setRect(LLRect(rect.mLeft,rect.mTop,rect.getWidth() > viewp->getRect().getWidth() + 5 ? rect.mRight : rect.mLeft + viewp->getRect().getWidth() + 5, rect.mBottom));
+
+                // and widen to accomodate text if that's wider
+                std::string display_text = overlapper_text + viewp->getName();
+                S32 text_width = LLFontGL::getFontSansSerifSmall()->getWidth(display_text) + 10;
+                rect = getRect();
+                setRect(LLRect(rect.mLeft,rect.mTop,rect.getWidth() < text_width ? rect.mLeft + text_width : rect.mRight,rect.mTop));
+            }
+            // change panel's height to accommodate all element heights plus spacing between them
+            rect = getRect();
+            setRect(LLRect(rect.mLeft,rect.mTop,rect.mRight,rect.mTop-height_sum));
+        }
+
+        LLUI::translate(5,getRect().getHeight()-10);    // translate to top left
+        LLView::sDrawPreviewHighlights = FALSE;
+
+        // draw currently-selected element at top of overlappers
+        LLUI::translate(0,-mSpacing);
+        LLFontGL::getFontSansSerifSmall()->renderUTF8(current_selection_text + LLView::sPreviewClickedElement->getName(), 0, 0, 0, text_color,
+                LLFontGL::LEFT, LLFontGL::BASELINE, LLFontGL::NORMAL, LLFontGL::NO_SHADOW);
+        LLUI::translate(0,-mSpacing-LLView::sPreviewClickedElement->getRect().getHeight()); // skip spacing distance + height
+        LLView::sPreviewClickedElement->draw();
+
+        for(std::list<LLView*>::iterator overlap_it = overlappers.begin(); overlap_it != overlappers.end(); ++overlap_it)
+        {
+            LLView* viewp = *overlap_it;
+
+            // draw separating line
+            LLUI::translate(0,-mSpacing);
+            gl_line_2d(0,0,getRect().getWidth()-10,0,LLColor4(192.0f/255.0f,192.0f/255.0f,192.0f/255.0f));
+
+            // draw name
+            LLUI::translate(0,-mSpacing);
+            LLFontGL::getFontSansSerifSmall()->renderUTF8(overlapper_text + viewp->getName(), 0, 0, 0, text_color,
+                    LLFontGL::LEFT, LLFontGL::BASELINE, LLFontGL::NORMAL, LLFontGL::NO_SHADOW);
+
+            // draw element
+            LLUI::translate(0,-mSpacing-viewp->getRect().getHeight());  // skip spacing distance + height
+            viewp->draw();
+        }
+        mLastClickedElement = LLView::sPreviewClickedElement;
+    }
 }
 
 void LLFloaterUIPreviewUtil::registerFloater()
 {
-	LLFloaterReg::add("ui_preview", "floater_ui_preview.xml",
-		&LLFloaterReg::build<LLFloaterUIPreview>);
+    LLFloaterReg::add("ui_preview", "floater_ui_preview.xml",
+        &LLFloaterReg::build<LLFloaterUIPreview>);
 }