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/**
* @file llfolderview.h
* @brief Definition of the folder view collection of classes.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
/**
*
* The folder view collection of classes provides an interface for
* making a 'folder view' similar to the way the a single pane file
* folder interface works.
*
*/
#ifndef LL_LLFOLDERVIEW_H
#define LL_LLFOLDERVIEW_H
#include "llfolderviewitem.h" // because LLFolderView is-a LLFolderViewFolder
#include "lluictrl.h"
#include "v4color.h"
#include "lldarray.h"
#include "stdenums.h"
#include "lldepthstack.h"
#include "lleditmenuhandler.h"
#include "llfontgl.h"
#include "llscrollcontainer.h"
#include "lltooldraganddrop.h"
#include "llviewertexture.h"
class LLFolderViewEventListener;
class LLFolderViewFolder;
class LLFolderViewItem;
class LLInventoryModel;
class LLPanel;
class LLLineEditor;
class LLMenuGL;
class LLUICtrl;
class LLTextBox;
/**
* Class LLFolderViewScrollContainer
*
* A scroll container which provides the information about the height
* of currently displayed folder view contents.
* Used for updating vertical scroll bar visibility in inventory panel.
* See LLScrollContainer::calcVisibleSize().
*/
class LLFolderViewScrollContainer : public LLScrollContainer
{
public:
/*virtual*/ ~LLFolderViewScrollContainer() {};
/*virtual*/ const LLRect getScrolledViewRect() const;
protected:
LLFolderViewScrollContainer(const LLScrollContainer::Params& p);
friend class LLUICtrlFactory;
};
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLFolderView
//
// Th LLFolderView represents the root level folder view object. It
// manages the screen region of the folder view.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLFolderView : public LLFolderViewFolder, public LLEditMenuHandler
{
public:
struct Params : public LLInitParam::Block<Params, LLFolderViewFolder::Params>
{
Mandatory<LLPanel*> parent_panel;
Optional<LLUUID> task_id;
Optional<std::string> title;
Optional<bool> use_label_suffix,
allow_multiselect,
show_empty_message,
show_load_status,
use_ellipses;
Params();
};
friend class LLFolderViewScrollContainer;
LLFolderView(const Params&);
virtual ~LLFolderView( void );
virtual BOOL canFocusChildren() const;
virtual LLFolderView* getRoot() { return this; }
// FolderViews default to sort by name. This will change that,
// and resort the items if necessary.
void setSortOrder(U32 order);
void setFilterPermMask(PermissionMask filter_perm_mask);
typedef boost::signals2::signal<void (const std::deque<LLFolderViewItem*>& items, BOOL user_action)> signal_t;
void setSelectCallback(const signal_t::slot_type& cb) { mSelectSignal.connect(cb); }
void setReshapeCallback(const signal_t::slot_type& cb) { mReshapeSignal.connect(cb); }
// filter is never null
LLInventoryFilter* getFilter();
const std::string getFilterSubString(BOOL trim = FALSE);
U32 getFilterObjectTypes() const;
PermissionMask getFilterPermissions() const;
// *NOTE: use getFilter()->getShowFolderState();
//LLInventoryFilter::EFolderShow getShowFolderState();
U32 getSortOrder() const;
BOOL isFilterModified();
bool getAllowMultiSelect() { return mAllowMultiSelect; }
// Close all folders in the view
void closeAllFolders();
void openTopLevelFolders();
virtual void toggleOpen() {};
virtual void setOpenArrangeRecursively(BOOL openitem, ERecurseType recurse);
virtual BOOL addFolder( LLFolderViewFolder* folder);
// Finds width and height of this object and it's children. Also
// makes sure that this view and it's children are the right size.
virtual S32 arrange( S32* width, S32* height, S32 filter_generation );
void arrangeAll() { mArrangeGeneration++; }
S32 getArrangeGeneration() { return mArrangeGeneration; }
// applies filters to control visibility of inventory items
virtual void filter( LLInventoryFilter& filter);
// get the last selected item
virtual LLFolderViewItem* getCurSelectedItem( void );
// Record the selected item and pass it down the hierachy.
virtual BOOL setSelection(LLFolderViewItem* selection, BOOL openitem,
BOOL take_keyboard_focus);
// Used by menu callbacks
void setSelectionByID(const LLUUID& obj_id, BOOL take_keyboard_focus);
// Called once a frame to update the selection if mSelectThisID has been set
void updateSelection();
// This method is used to toggle the selection of an item. Walks
// children, and keeps track of selected objects.
virtual BOOL changeSelection(LLFolderViewItem* selection, BOOL selected);
virtual std::set<LLUUID> getSelectionList() const;
// make sure if ancestor is selected, descendents are not
void sanitizeSelection();
void clearSelection();
void addToSelectionList(LLFolderViewItem* item);
void removeFromSelectionList(LLFolderViewItem* item);
BOOL startDrag(LLToolDragAndDrop::ESource source);
void setDragAndDropThisFrame() { mDragAndDropThisFrame = TRUE; }
void setDraggingOverItem(LLFolderViewItem* item) { mDraggingOverItem = item; }
LLFolderViewItem* getDraggingOverItem() { return mDraggingOverItem; }
// deletion functionality
void removeSelectedItems();
// open the selected item.
void openSelectedItems( void );
void propertiesSelectedItems( void );
// change the folder type
void changeType(LLInventoryModel *model, LLFolderType::EType new_folder_type);
void autoOpenItem(LLFolderViewFolder* item);
void closeAutoOpenedFolders();
BOOL autoOpenTest(LLFolderViewFolder* item);
// copy & paste
virtual void copy();
virtual BOOL canCopy() const;
virtual void cut();
virtual BOOL canCut() const;
virtual void paste();
virtual BOOL canPaste() const;
virtual void doDelete();
virtual BOOL canDoDelete() const;
// public rename functionality - can only start the process
void startRenamingSelectedItem( void );
// These functions were used when there was only one folderview,
// and relied on that concept. This functionality is now handled
// by the listeners and the lldraganddroptool.
//LLFolderViewItem* getMovingItem() { return mMovingItem; }
//void setMovingItem( LLFolderViewItem* item ) { mMovingItem = item; }
//void dragItemIntoFolder( LLFolderViewItem* moving_item, LLFolderViewFolder* dst_folder, BOOL drop, BOOL* accept );
//void dragFolderIntoFolder( LLFolderViewFolder* moving_folder, LLFolderViewFolder* dst_folder, BOOL drop, BOOL* accept );
// LLView functionality
///*virtual*/ BOOL handleKey( KEY key, MASK mask, BOOL called_from_parent );
/*virtual*/ BOOL handleKeyHere( KEY key, MASK mask );
/*virtual*/ BOOL handleUnicodeCharHere(llwchar uni_char);
/*virtual*/ BOOL handleMouseDown( S32 x, S32 y, MASK mask );
/*virtual*/ BOOL handleDoubleClick( S32 x, S32 y, MASK mask );
/*virtual*/ BOOL handleRightMouseDown( S32 x, S32 y, MASK mask );
/*virtual*/ BOOL handleHover( S32 x, S32 y, MASK mask );
/*virtual*/ BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
EDragAndDropType cargo_type,
void* cargo_data,
EAcceptance* accept,
std::string& tooltip_msg);
/*virtual*/ void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
/*virtual*/ void onMouseLeave(S32 x, S32 y, MASK mask) { setShowSelectionContext(FALSE); }
virtual void draw();
virtual void deleteAllChildren();
void scrollToShowSelection();
void scrollToShowItem(LLFolderViewItem* item, const LLRect& constraint_rect);
void setScrollContainer( LLScrollContainer* parent ) { mScrollContainer = parent; }
LLRect getVisibleRect();
BOOL search(LLFolderViewItem* first_item, const std::string &search_string, BOOL backward);
void setShowSelectionContext(BOOL show) { mShowSelectionContext = show; }
BOOL getShowSelectionContext();
void setShowSingleSelection(BOOL show);
BOOL getShowSingleSelection() { return mShowSingleSelection; }
F32 getSelectionFadeElapsedTime() { return mMultiSelectionFadeTimer.getElapsedTimeF32(); }
bool getUseEllipses() { return mUseEllipses; }
void addItemID(const LLUUID& id, LLFolderViewItem* itemp);
void removeItemID(const LLUUID& id);
LLFolderViewItem* getItemByID(const LLUUID& id);
LLFolderViewFolder* getFolderByID(const LLUUID& id);
bool doToSelected(LLInventoryModel* model, const LLSD& userdata);
void doIdle(); // Real idle routine
static void idle(void* user_data); // static glue to doIdle()
BOOL needsAutoSelect() { return mNeedsAutoSelect && !mAutoSelectOverride; }
BOOL needsAutoRename() { return mNeedsAutoRename; }
void setNeedsAutoRename(BOOL val) { mNeedsAutoRename = val; }
void setPinningSelectedItem(BOOL val) { mPinningSelectedItem = val; }
void setAutoSelectOverride(BOOL val) { mAutoSelectOverride = val; }
void setCallbackRegistrar(LLUICtrl::CommitCallbackRegistry::ScopedRegistrar* registrar) { mCallbackRegistrar = registrar; }
BOOL getDebugFilters() { return mDebugFilters; }
LLPanel* getParentPanel() { return mParentPanel; }
// DEBUG only
void dumpSelectionInformation();
virtual S32 notify(const LLSD& info) ;
bool useLabelSuffix() { return mUseLabelSuffix; }
void updateMenu();
private:
void updateMenuOptions(LLMenuGL* menu);
void updateRenamerPosition();
protected:
LLScrollContainer* mScrollContainer; // NULL if this is not a child of a scroll container.
void commitRename( const LLSD& data );
void onRenamerLost();
void finishRenamingItem( void );
void closeRenamer( void );
bool selectFirstItem();
bool selectLastItem();
BOOL addNoOptions(LLMenuGL* menu) const;
void onItemsRemovalConfirmation(const LLSD& notification, const LLSD& response);
protected:
LLHandle<LLView> mPopupMenuHandle;
typedef std::deque<LLFolderViewItem*> selected_items_t;
selected_items_t mSelectedItems;
BOOL mKeyboardSelection;
BOOL mAllowMultiSelect;
BOOL mShowEmptyMessage;
BOOL mShowFolderHierarchy;
LLUUID mSourceID;
// Renaming variables and methods
LLFolderViewItem* mRenameItem; // The item currently being renamed
LLLineEditor* mRenamer;
BOOL mNeedsScroll;
BOOL mPinningSelectedItem;
LLRect mScrollConstraintRect;
BOOL mNeedsAutoSelect;
BOOL mAutoSelectOverride;
BOOL mNeedsAutoRename;
bool mUseLabelSuffix;
BOOL mDebugFilters;
U32 mSortOrder;
LLDepthStack<LLFolderViewFolder> mAutoOpenItems;
LLFolderViewFolder* mAutoOpenCandidate;
LLFrameTimer mAutoOpenTimer;
LLFrameTimer mSearchTimer;
std::string mSearchString;
LLInventoryFilter* mFilter;
BOOL mShowSelectionContext;
BOOL mShowSingleSelection;
LLFrameTimer mMultiSelectionFadeTimer;
S32 mArrangeGeneration;
signal_t mSelectSignal;
signal_t mReshapeSignal;
S32 mSignalSelectCallback;
S32 mMinWidth;
S32 mRunningHeight;
std::map<LLUUID, LLFolderViewItem*> mItemMap;
BOOL mDragAndDropThisFrame;
LLUUID mSelectThisID; // if non null, select this item
LLPanel* mParentPanel;
/**
* Is used to determine if we need to cut text In LLFolderViewItem to avoid horizontal scroll.
* NOTE: For now it uses only to cut LLFolderViewItem::mLabel text to be used for Landmarks in Places Panel.
*/
bool mUseEllipses; // See EXT-719
/**
* Contains item under mouse pointer while dragging
*/
LLFolderViewItem* mDraggingOverItem; // See EXT-719
LLUICtrl::CommitCallbackRegistry::ScopedRegistrar* mCallbackRegistrar;
public:
static F32 sAutoOpenTime;
LLTextBox* mStatusTextBox;
};
bool sort_item_name(LLFolderViewItem* a, LLFolderViewItem* b);
bool sort_item_date(LLFolderViewItem* a, LLFolderViewItem* b);
// Flags for buildContextMenu()
const U32 SUPPRESS_OPEN_ITEM = 0x1;
const U32 FIRST_SELECTED_ITEM = 0x2;
#endif // LL_LLFOLDERVIEW_H
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