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/***************************************************************************
structtreeview.h - description
-------------------
begin : Sat Apr 29 2000
copyright : (C) 2000 by Yacovlev Alexander & Dmitry Poplavsky <pdima@mail.univ.kiev.ua>
(C) 2002, 2003 Andras Mantia <amantia@kde.org>
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef STRUCTTREEVIEW_H
#define STRUCTTREEVIEW_H
#include <tqmap.h>
#include <tqvaluelist.h>
#include <klistview.h>
/**view class of document structure
*@author Andras Mantia & Paulo Moura Guedes & Yacovlev Alexander & Dmitry Poplavsky
*/
class KPopupMenu;
class TDEConfig;
class KURL;
class TQTime;
class Node;
class StructTreeTag;
class Parser;
class Document;
struct DTDStruct;
class StructTreeView : public KListView {
Q_OBJECT
public:
/**
* since this class is a singleton you must use this function to access it
*
* the parameters are only used at the first call to create the class
*
*/
static StructTreeView* const ref(TQWidget *parent = 0L, const char *name = 0L)
{
static StructTreeView *m_ref;
if (!m_ref) m_ref = new StructTreeView (parent, name);
return m_ref;
}
~StructTreeView();
void setFollowCursor(bool);
bool followCursor() { return followCursorFlag; }
/** Show the element in tree according to cursor position (x,y) */
void showTagAtPos(Node *node);
/** Delete the items */
void deleteList(bool groupOnly);
void setParsingDTDs(const TQStringList &parsingDTDList);
void showMessage(const TQString& message);
bool useOpenLevelSetting;
public slots: // Public slots
/** repaint document structure */
void slotReparse(Document *w, Node* node, int openLevel = 3,bool groupOnly=false);
void slotMouseClicked(int button, TQListViewItem*, const TQPoint&, int);
void slotDoubleClicked( TQListViewItem * );
// slots for RBM menu
void slotReparseMenuItem();
void slotSelectTag();
void slotGotoTag( TQListViewItem *item );
void slotGotoClosingTag();
/** Recursively open the tree and all its subtrees */
void slotOpenSubTree();
/** Recursively close the tree and all its subtrees */
void slotCloseSubTree();
void changeFollowCursor() { setFollowCursor(!followCursorFlag); }
/** No descriptions */
void slotCollapsed(TQListViewItem *item);
/** No descriptions */
void slotExpanded(TQListViewItem *);
void slotOpenFile();
void slotNodeTreeChanged();
void slotRemoveTags();
signals:
void newCursorPosition( int col, int row );
void selectTagArea(Node* node);
void selectArea(int col1, int row1, int col2, int row2 );
void needReparse();
void onTag( const TQString &tag );
void showGroupsForDTEP(const TQString& dtep, bool show);
void openFile(const KURL&);
void openImage(const KURL&);
void showProblemMessage(const TQString&);
void clearProblemOutput();
private:
/** The constructor is private because we use singleton pattern.
* If you need the class use StructTreeView::ref() for
* construction and reference
*/
StructTreeView(TQWidget *parent=0, const char *name=0);
/** builds the structure tree */
void buildTree(Node *baseNode, int openLevel, bool groupOnly);
/** Do the recursive opening or closing of the trees */
void setOpenSubTree(TQListViewItem *it, bool open);
/** Make ctrl have the same behavior has shift */
void setContiguousSelectedItems();
void copySelectedItems(TQListViewItem* parent, TQListViewItem* after);
void moveSelectedItems(TQListViewItem* parent, TQListViewItem* after);
private:
int followCursorId;
bool followCursorFlag;
KPopupMenu *popupMenu;
KPopupMenu *emptyAreaMenu;
KPopupMenu *dtdMenu;
StructTreeTag *lastTag;
TDEConfig *config;
TQStringList dtdList;
TQValueList<const DTDStruct*> m_parsingDTDList;
int openFileMenuId;
TQMap<TQString, uint> groupIds;
bool m_dirty;
StructTreeTag *top;
TQValueList<StructTreeTag*> groups;
uint groupsCount;
bool topOpened;
TQValueList<bool> groupOpened;
mutable TQListViewItem* m_marker; //track that has the drag/drop marker under it
TQListViewItem* m_draggedItem;
// mutable TQWidget* m_thisWidget; // non const this hack for acceptDrag
protected: // Protected methods
/** Do a reparse before showing. */
virtual void showEvent(TQShowEvent*);
/** Clear the problem output when hiding. */
virtual void hideEvent(TQHideEvent*);
// drag functions
virtual bool acceptDrag(TQDropEvent* e) const;
virtual void startDrag();
virtual void contentsMousePressEvent(TQMouseEvent* e);
protected slots: // Protected slots
/** The treeview DTD has changed to id. */
void slotDTDChanged(int id);
void slotMouseClickedVPL(int button, TQListViewItem*, const TQPoint&, int);
virtual void slotDropped(TQDropEvent* e, TQListViewItem* parent, TQListViewItem* after);
protected: // Protected attributes
Document *write;
TQTime *timer;
};
#endif
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