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diff --git a/quanta/treeviews/structtreeview.h b/quanta/treeviews/structtreeview.h
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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 <qmap.h>
+#include <qvaluelist.h>
+
+#include <klistview.h>
+
+/**view class of document structure
+ *@author Andras Mantia & Paulo Moura Guedes & Yacovlev Alexander & Dmitry Poplavsky
+ */
+
+class KPopupMenu;
+class KConfig;
+class KURL;
+class QTime;
+
+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(QWidget *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 QStringList &parsingDTDList);
+  void showMessage(const QString& 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, QListViewItem*, const QPoint&, int);
+  void slotDoubleClicked( QListViewItem * );
+
+  // slots for RBM menu
+  void slotReparseMenuItem();
+  void slotSelectTag();
+  void slotGotoTag( QListViewItem *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(QListViewItem *item);
+  /** No descriptions */
+  void slotExpanded(QListViewItem *);
+  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 QString &tag );
+  void showGroupsForDTEP(const QString& dtep, bool show);
+  void openFile(const KURL&);
+  void openImage(const KURL&);
+  void showProblemMessage(const QString&);
+  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(QWidget *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(QListViewItem *it, bool open);
+
+  /** Make ctrl have the same behavior has shift */
+  void setContiguousSelectedItems();
+  
+  void copySelectedItems(QListViewItem* parent, QListViewItem* after);
+  void moveSelectedItems(QListViewItem* parent, QListViewItem* after);
+  
+private:
+
+  int followCursorId;
+  bool followCursorFlag;
+
+  KPopupMenu *popupMenu;
+  KPopupMenu *emptyAreaMenu;
+  KPopupMenu *dtdMenu;
+  StructTreeTag *lastTag;
+  KConfig *config;
+  QStringList dtdList;
+  QValueList<const DTDStruct*> m_parsingDTDList;
+  int openFileMenuId;
+  QMap<QString, uint> groupIds;
+  bool m_dirty;
+  StructTreeTag *top;
+  QValueList<StructTreeTag*> groups;
+  uint groupsCount;
+
+  bool topOpened;
+  QValueList<bool> groupOpened;
+  
+  mutable QListViewItem* m_marker;       //track that has the drag/drop marker under it
+  QListViewItem* m_draggedItem;
+//   mutable QWidget* m_thisWidget; // non const this hack for acceptDrag
+
+protected: // Protected methods
+  /** Do a reparse before showing. */
+  virtual void showEvent(QShowEvent*);
+  /** Clear the problem output when hiding. */
+  virtual void hideEvent(QHideEvent*);
+  
+  // drag functions  
+  virtual bool acceptDrag(QDropEvent* e) const;
+  virtual void startDrag();
+  virtual void contentsMousePressEvent(QMouseEvent* e);
+
+protected slots: // Protected slots
+  /** The treeview DTD  has changed to id. */
+  void slotDTDChanged(int id);
+    
+  void slotMouseClickedVPL(int button, QListViewItem*, const QPoint&, int);
+  virtual void slotDropped(QDropEvent* e, QListViewItem* parent, QListViewItem* after);
+
+protected: // Protected attributes
+  Document *write;
+  QTime *timer;
+};
+
+#endif