1 files changed, 214 insertions, 84 deletions

diff --git a/indra/newview/llpreviewscript.cpp b/indra/newview/llpreviewscript.cpp
index cf2ea38288..22ff362b5a 100644
--- a/indra/newview/llpreviewscript.cpp
+++ b/indra/newview/llpreviewscript.cpp
@@ -34,11 +34,13 @@
 #include "llcheckboxctrl.h"
 #include "llcombobox.h"
 #include "lldir.h"
+#include "llexternaleditor.h"
 #include "llfloaterreg.h"
 #include "llinventorydefines.h"
 #include "llinventorymodel.h"
 #include "llkeyboard.h"
 #include "lllineeditor.h"
+#include "lllivefile.h"
 #include "llhelp.h"
 #include "llnotificationsutil.h"
 #include "llresmgr.h"
@@ -116,6 +118,50 @@ static bool have_script_upload_cap(LLUUID& object_id)
 }
 
 /// ---------------------------------------------------------------------------
+/// LLLiveLSLFile
+/// ---------------------------------------------------------------------------
+class LLLiveLSLFile : public LLLiveFile
+{
+public:
+	typedef boost::function<bool (const std::string& filename)> change_callback_t;
+
+	LLLiveLSLFile(std::string file_path, change_callback_t change_cb);
+	~LLLiveLSLFile();
+
+	void ignoreNextUpdate() { mIgnoreNextUpdate = true; }
+
+protected:
+	/*virtual*/ bool loadFile();
+
+	change_callback_t	mOnChangeCallback;
+	bool				mIgnoreNextUpdate;
+};
+
+LLLiveLSLFile::LLLiveLSLFile(std::string file_path, change_callback_t change_cb)
+:	mOnChangeCallback(change_cb)
+,	mIgnoreNextUpdate(false)
+,	LLLiveFile(file_path, 1.0)
+{
+	llassert(mOnChangeCallback);
+}
+
+LLLiveLSLFile::~LLLiveLSLFile()
+{
+	LLFile::remove(filename());
+}
+
+bool LLLiveLSLFile::loadFile()
+{
+	if (mIgnoreNextUpdate)
+	{
+		mIgnoreNextUpdate = false;
+		return true;
+	}
+
+	return mOnChangeCallback(filename());
+}
+
+/// ---------------------------------------------------------------------------
 /// LLFloaterScriptSearch
 /// ---------------------------------------------------------------------------
 class LLFloaterScriptSearch : public LLFloater
@@ -277,6 +323,7 @@ struct LLSECKeywordCompare
 };
 
 LLScriptEdCore::LLScriptEdCore(
+	LLScriptEdContainer* container,
 	const std::string& sample,
 	const LLHandle<LLFloater>& floater_handle,
 	void (*load_callback)(void*),
@@ -296,12 +343,15 @@ LLScriptEdCore::LLScriptEdCore(
 	mLastHelpToken(NULL),
 	mLiveHelpHistorySize(0),
 	mEnableSave(FALSE),
+	mLiveFile(NULL),
+	mContainer(container),
 	mHasScriptData(FALSE)
 {
 	setFollowsAll();
 	setBorderVisible(FALSE);
 
 	setXMLFilename("panel_script_ed.xml");
+	llassert_always(mContainer != NULL);
 }
 
 LLScriptEdCore::~LLScriptEdCore()
@@ -315,6 +365,8 @@ LLScriptEdCore::~LLScriptEdCore()
 		script_search->closeFloater();
 		delete script_search;
 	}
+
+	delete mLiveFile;
 }
 
 BOOL LLScriptEdCore::postBuild()
@@ -329,6 +381,7 @@ BOOL LLScriptEdCore::postBuild()
 
 	childSetCommitCallback("lsl errors", &LLScriptEdCore::onErrorList, this);
 	childSetAction("Save_btn", boost::bind(&LLScriptEdCore::doSave,this,FALSE));
+	childSetAction("Edit_btn", boost::bind(&LLScriptEdCore::openInExternalEditor, this));
 
 	initMenu();
 
@@ -461,6 +514,79 @@ void LLScriptEdCore::setScriptText(const std::string& text, BOOL is_valid)
 	}
 }
 
+bool LLScriptEdCore::loadScriptText(const std::string& filename)
+{
+	if (filename.empty())
+	{
+		llwarns << "Empty file name" << llendl;
+		return false;
+	}
+
+	LLFILE* file = LLFile::fopen(filename, "rb");		/*Flawfinder: ignore*/
+	if (!file)
+	{
+		llwarns << "Error opening " << filename << llendl;
+		return false;
+	}
+
+	// read in the whole file
+	fseek(file, 0L, SEEK_END);
+	size_t file_length = (size_t) ftell(file);
+	fseek(file, 0L, SEEK_SET);
+	char* buffer = new char[file_length+1];
+	size_t nread = fread(buffer, 1, file_length, file);
+	if (nread < file_length)
+	{
+		llwarns << "Short read" << llendl;
+	}
+	buffer[nread] = '\0';
+	fclose(file);
+
+	mEditor->setText(LLStringExplicit(buffer));
+	delete[] buffer;
+
+	return true;
+}
+
+bool LLScriptEdCore::writeToFile(const std::string& filename)
+{
+	LLFILE* fp = LLFile::fopen(filename, "wb");
+	if (!fp)
+	{
+		llwarns << "Unable to write to " << filename << llendl;
+
+		LLSD row;
+		row["columns"][0]["value"] = "Error writing to local file. Is your hard drive full?";
+		row["columns"][0]["font"] = "SANSSERIF_SMALL";
+		mErrorList->addElement(row);
+		return false;
+	}
+
+	std::string utf8text = mEditor->getText();
+
+	// Special case for a completely empty script - stuff in one space so it can store properly.  See SL-46889
+	if (utf8text.size() == 0)
+	{
+		utf8text = " ";
+	}
+
+	fputs(utf8text.c_str(), fp);
+	fclose(fp);
+	return true;
+}
+
+void LLScriptEdCore::sync()
+{
+	// Sync with external editor.
+	std::string tmp_file = mContainer->getTmpFileName();
+	llstat s;
+	if (LLFile::stat(tmp_file, &s) == 0) // file exists
+	{
+		if (mLiveFile) mLiveFile->ignoreNextUpdate();
+		writeToFile(tmp_file);
+	}
+}
+
 bool LLScriptEdCore::hasChanged()
 {
 	if (!mEditor) return false;
@@ -637,6 +763,12 @@ BOOL LLScriptEdCore::canClose()
 	}
 }
 
+void LLScriptEdCore::setEnableEditing(bool enable)
+{
+	mEditor->setEnabled(enable);
+	getChildView("Edit_btn")->setEnabled(enable);
+}
+
 bool LLScriptEdCore::handleSaveChangesDialog(const LLSD& notification, const LLSD& response )
 {
 	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
@@ -809,6 +941,33 @@ void LLScriptEdCore::doSave( BOOL close_after_save )
 	}
 }
 
+void LLScriptEdCore::openInExternalEditor()
+{
+	delete mLiveFile; // deletes file
+
+	// Save the script to a temporary file.
+	std::string filename = mContainer->getTmpFileName();
+	writeToFile(filename);
+
+	// Start watching file changes.
+	mLiveFile = new LLLiveLSLFile(filename, boost::bind(&LLScriptEdContainer::onExternalChange, mContainer, _1));
+	mLiveFile->addToEventTimer();
+
+	// Open it in external editor.
+	{
+		LLExternalEditor ed;
+
+		if (!ed.setCommand("LL_SCRIPT_EDITOR"))
+		{
+			std::string msg = "Select an editor by setting the environment variable LL_SCRIPT_EDITOR "
+				"or the ExternalEditor setting"; // *TODO: localize
+			LLNotificationsUtil::add("GenericAlert", LLSD().with("MESSAGE", msg));
+			return;
+		}
+
+		ed.run(filename);
+	}
+}
 
 void LLScriptEdCore::onBtnUndoChanges()
 {
@@ -923,6 +1082,43 @@ BOOL LLScriptEdCore::handleKeyHere(KEY key, MASK mask)
 }
 
 /// ---------------------------------------------------------------------------
+/// LLScriptEdContainer
+/// ---------------------------------------------------------------------------
+
+LLScriptEdContainer::LLScriptEdContainer(const LLSD& key)
+:	LLPreview(key)
+,	mScriptEd(NULL)
+{
+}
+
+std::string LLScriptEdContainer::getTmpFileName()
+{
+	// Take script inventory item id (within the object inventory)
+	// to consideration so that it's possible to edit multiple scripts
+	// in the same object inventory simultaneously (STORM-781).
+	std::string script_id = mObjectUUID.asString() + "_" + mItemUUID.asString();
+
+	// Use MD5 sum to make the file name shorter and not exceed maximum path length.
+	char script_id_hash_str[33];               /* Flawfinder: ignore */
+	LLMD5 script_id_hash((const U8 *)script_id.c_str());
+	script_id_hash.hex_digest(script_id_hash_str);
+
+	return std::string(LLFile::tmpdir()) + "sl_script_" + script_id_hash_str + ".lsl";
+}
+
+bool LLScriptEdContainer::onExternalChange(const std::string& filename)
+{
+	if (!mScriptEd->loadScriptText(filename))
+	{
+		return false;
+	}
+
+	// Disable sync to avoid recursive load->save->load calls.
+	saveIfNeeded(false);
+	return true;
+}
+
+/// ---------------------------------------------------------------------------
 /// LLPreviewLSL
 /// ---------------------------------------------------------------------------
 
@@ -945,6 +1141,7 @@ void* LLPreviewLSL::createScriptEdPanel(void* userdata)
 	LLPreviewLSL *self = (LLPreviewLSL*)userdata;
 
 	self->mScriptEd =  new LLScriptEdCore(
+								   self,
 								   HELLO_LSL,
 								   self->getHandle(),
 								   LLPreviewLSL::onLoad,
@@ -958,7 +1155,7 @@ void* LLPreviewLSL::createScriptEdPanel(void* userdata)
 
 
 LLPreviewLSL::LLPreviewLSL(const LLSD& key )
-  : LLPreview( key ),
+:	LLScriptEdContainer(key),
 	mPendingUploads(0)
 {
 	mFactoryMap["script panel"] = LLCallbackMap(LLPreviewLSL::createScriptEdPanel, this);
@@ -1049,7 +1246,6 @@ void LLPreviewLSL::loadAsset()
 		{
 			mScriptEd->setScriptText(mScriptEd->getString("can_not_view"), FALSE);
 			mScriptEd->mEditor->makePristine();
-			mScriptEd->mEditor->setEnabled(FALSE);
 			mScriptEd->mFunctions->setEnabled(FALSE);
 			mAssetStatus = PREVIEW_ASSET_LOADED;
 		}
@@ -1059,6 +1255,7 @@ void LLPreviewLSL::loadAsset()
 	else
 	{
 		mScriptEd->setScriptText(std::string(HELLO_LSL), TRUE);
+		mScriptEd->setEnableEditing(TRUE);
 		mAssetStatus = PREVIEW_ASSET_LOADED;
 	}
 }
@@ -1105,7 +1302,7 @@ void LLPreviewLSL::onSave(void* userdata, BOOL close_after_save)
 // Save needs to compile the text in the buffer. If the compile
 // succeeds, then save both assets out to the database. If the compile
 // fails, go ahead and save the text anyway.
-void LLPreviewLSL::saveIfNeeded()
+void LLPreviewLSL::saveIfNeeded(bool sync /*= true*/)
 {
 	// llinfos << "LLPreviewLSL::saveIfNeeded()" << llendl;
 	if(!mScriptEd->hasChanged())
@@ -1124,23 +1321,13 @@ void LLPreviewLSL::saveIfNeeded()
 	std::string filepath = gDirUtilp->getExpandedFilename(LL_PATH_CACHE,asset_id.asString());
 	std::string filename = filepath + ".lsl";
 
-	LLFILE* fp = LLFile::fopen(filename, "wb");
-	if(!fp)
-	{
-		llwarns << "Unable to write to " << filename << llendl;
+	mScriptEd->writeToFile(filename);
 
-		LLSD row;
-		row["columns"][0]["value"] = "Error writing to local file. Is your hard drive full?";
-		row["columns"][0]["font"] = "SANSSERIF_SMALL";
-		mScriptEd->mErrorList->addElement(row);
-		return;
+	if (sync)
+	{
+		mScriptEd->sync();
 	}
 
-	std::string utf8text = mScriptEd->mEditor->getText();
-	fputs(utf8text.c_str(), fp);
-	fclose(fp);
-	fp = NULL;
-
 	const LLInventoryItem *inv_item = getItem();
 	// save it out to asset server
 	std::string url = gAgent.getRegion()->getCapability("UpdateScriptAgent");
@@ -1372,7 +1559,7 @@ void LLPreviewLSL::onLoadComplete( LLVFS *vfs, const LLUUID& asset_uuid, LLAsset
 			{
 				is_modifiable = TRUE;		
 			}
-			preview->mScriptEd->mEditor->setEnabled(is_modifiable);
+			preview->mScriptEd->setEnableEditing(is_modifiable);
 			preview->mAssetStatus = PREVIEW_ASSET_LOADED;
 		}
 		else
@@ -1413,6 +1600,7 @@ void* LLLiveLSLEditor::createScriptEdPanel(void* userdata)
 	LLLiveLSLEditor *self = (LLLiveLSLEditor*)userdata;
 
 	self->mScriptEd =  new LLScriptEdCore(
+								   self,
 								   HELLO_LSL,
 								   self->getHandle(),
 								   &LLLiveLSLEditor::onLoad,
@@ -1426,8 +1614,7 @@ void* LLLiveLSLEditor::createScriptEdPanel(void* userdata)
 
 
 LLLiveLSLEditor::LLLiveLSLEditor(const LLSD& key) :
-	LLPreview(key),
-	mScriptEd(NULL),
+	LLScriptEdContainer(key),
 	mAskedForRunningInfo(FALSE),
 	mHaveRunningInfo(FALSE),
 	mCloseAfterSave(FALSE),
@@ -1456,10 +1643,6 @@ BOOL LLLiveLSLEditor::postBuild()
 	return LLPreview::postBuild();
 }
 
-LLLiveLSLEditor::~LLLiveLSLEditor()
-{
-}
-
 // virtual
 void LLLiveLSLEditor::callbackLSLCompileSucceeded(const LLUUID& task_id,
 												  const LLUUID& item_id,
@@ -1516,7 +1699,6 @@ void LLLiveLSLEditor::loadAsset()
 				mItem = new LLViewerInventoryItem(item);
 				mScriptEd->setScriptText(getString("not_allowed"), FALSE);
 				mScriptEd->mEditor->makePristine();
-				mScriptEd->mEditor->setEnabled(FALSE);
 				mScriptEd->enableSave(FALSE);
 				mAssetStatus = PREVIEW_ASSET_LOADED;
 			}
@@ -1554,10 +1736,6 @@ void LLLiveLSLEditor::loadAsset()
 			mIsModifiable = item && gAgent.allowOperation(PERM_MODIFY, 
 										item->getPermissions(),
 				   						GP_OBJECT_MANIPULATE);
-			if(!mIsModifiable)
-			{
-				mScriptEd->mEditor->setEnabled(FALSE);
-			}
 			
 			// This is commented out, because we don't completely
 			// handle script exports yet.
@@ -1613,6 +1791,7 @@ void LLLiveLSLEditor::onLoadComplete(LLVFS *vfs, const LLUUID& asset_id,
 		if( LL_ERR_NOERR == status )
 		{
 			instance->loadScriptText(vfs, asset_id, type);
+			instance->mScriptEd->setEnableEditing(TRUE);
 			instance->mAssetStatus = PREVIEW_ASSET_LOADED;
 		}
 		else
@@ -1639,39 +1818,6 @@ void LLLiveLSLEditor::onLoadComplete(LLVFS *vfs, const LLUUID& asset_id,
 	delete xored_id;
 }
 
-// unused
-// void LLLiveLSLEditor::loadScriptText(const std::string& filename)
-// {
-// 	if(!filename)
-// 	{
-// 		llerrs << "Filename is Empty!" << llendl;
-// 		return;
-// 	}
-// 	LLFILE* file = LLFile::fopen(filename, "rb");		/*Flawfinder: ignore*/
-// 	if(file)
-// 	{
-// 		// read in the whole file
-// 		fseek(file, 0L, SEEK_END);
-// 		long file_length = ftell(file);
-// 		fseek(file, 0L, SEEK_SET);
-// 		char* buffer = new char[file_length+1];
-// 		size_t nread = fread(buffer, 1, file_length, file);
-// 		if (nread < (size_t) file_length)
-// 		{
-// 			llwarns << "Short read" << llendl;
-// 		}
-// 		buffer[nread] = '\0';
-// 		fclose(file);
-// 		mScriptEd->mEditor->setText(LLStringExplicit(buffer));
-// 		mScriptEd->mEditor->makePristine();
-// 		delete[] buffer;
-// 	}
-// 	else
-// 	{
-// 		llwarns << "Error opening " << filename << llendl;
-// 	}
-// }
-
 void LLLiveLSLEditor::loadScriptText(LLVFS *vfs, const LLUUID &uuid, LLAssetType::EType type)
 {
 	LLVFile file(vfs, uuid, type);
@@ -1825,9 +1971,9 @@ LLLiveLSLSaveData::LLLiveLSLSaveData(const LLUUID& id,
 	mItem = new LLViewerInventoryItem(item);
 }
 
-void LLLiveLSLEditor::saveIfNeeded()
+// virtual
+void LLLiveLSLEditor::saveIfNeeded(bool sync /*= true*/)
 {
-	llinfos << "LLLiveLSLEditor::saveIfNeeded()" << llendl;
 	LLViewerObject* object = gObjectList.findObject(mObjectUUID);
 	if(!object)
 	{
@@ -1877,29 +2023,12 @@ void LLLiveLSLEditor::saveIfNeeded()
 	mItem->setAssetUUID(asset_id);
 	mItem->setTransactionID(tid);
 
-	// write out the data, and store it in the asset database
-	LLFILE* fp = LLFile::fopen(filename, "wb");
-	if(!fp)
-	{
-		llwarns << "Unable to write to " << filename << llendl;
-
-		LLSD row;
-		row["columns"][0]["value"] = "Error writing to local file. Is your hard drive full?";
-		row["columns"][0]["font"] = "SANSSERIF_SMALL";
-		mScriptEd->mErrorList->addElement(row);
-		return;
-	}
-	std::string utf8text = mScriptEd->mEditor->getText();
+	mScriptEd->writeToFile(filename);
 
-	// Special case for a completely empty script - stuff in one space so it can store properly.  See SL-46889
-	if ( utf8text.size() == 0 )
+	if (sync)
 	{
-		utf8text = " ";
+		mScriptEd->sync();
 	}
-
-	fputs(utf8text.c_str(), fp);
-	fclose(fp);
-	fp = NULL;
 	
 	// save it out to asset server
 	std::string url = object->getRegion()->getCapability("UpdateScriptTask");
@@ -2138,6 +2267,7 @@ void LLLiveLSLEditor::onSave(void* userdata, BOOL close_after_save)
 	self->saveIfNeeded();
 }
 
+
 // static
 void LLLiveLSLEditor::processScriptRunningReply(LLMessageSystem* msg, void**)
 {