Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdewebdev@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 1071 insertions, 0 deletions

diff --git a/quanta/treeviews/structtreeview.cpp b/quanta/treeviews/structtreeview.cpp
new file mode 100644
index 00000000..f6f55b40
--- /dev/null
+++ b/quanta/treeviews/structtreeview.cpp
@@ -0,0 +1,1071 @@
+/***************************************************************************
+                          structtreeview.cpp  -  description
+                             -------------------
+    begin                : Sat Apr 29 2000
+    copyright            : (C) 2000 by Yacovlev Alexander & Dmitry Poplavsky <[email protected]>
+                           (C) 2002, 2003 Andras Mantia <[email protected]>
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+// system headers
+#include <assert.h>
+
+// QT headers
+#include <qpixmap.h>
+#include <qheader.h>
+#include <qregexp.h>
+#include <qdatetime.h>
+#include <qdragobject.h>
+#include <qcursor.h> 
+
+// KDE headers
+#include <kapplication.h>
+#include <kiconloader.h>
+#include <kpopupmenu.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kconfig.h>
+#include <kdebug.h>
+#include <ktexteditor/view.h>
+
+// app includes
+#include "messageoutput.h"
+#include "node.h"
+#include "qtag.h"
+#include "document.h"
+#include "resource.h"
+#include "qextfileinfo.h"
+#include "quantacommon.h"
+#include "dtds.h"
+#include "viewmanager.h"
+#include "kafkacommon.h"
+#include "cursors.h"
+#include "undoredo.h"
+#include "quantaview.h"
+#include "wkafkapart.h"
+
+#include "structtreetag.h"
+#include "structtreeview.h"
+#include "structtreeview.moc"
+extern GroupElementMapList globalGroupMap;
+
+StructTreeView::StructTreeView(QWidget *parent, const char *name )
+    : KListView(parent,name), m_marker(0), m_draggedItem(0)/*, m_thisWidget(0)*/
+{
+  for (int i = 0; i < 15; i++)
+    groupOpened.append(false);
+  top = 0L;
+  lastTag = 0L;
+  groupsCount = 0;
+  followCursorFlag = true;
+  config = kapp->config();
+
+  topOpened = true;
+  useOpenLevelSetting = true;
+
+  setRootIsDecorated( true );
+  header()->hide();
+  setSorting(-1,false);
+  setAcceptDrops(false); // disabled d&d is broken
+  setDropVisualizer(true);
+  setDragEnabled(false); // disabled d&d is broken
+//   setSelectionModeExt(FileManager);  disabled d&d is broken
+
+  setFrameStyle( Panel | Sunken );
+  setLineWidth( 2 );
+  addColumn( i18n("Name"), -1 );
+
+  setFocusPolicy(QWidget::ClickFocus);
+
+  dtdMenu = new KPopupMenu(this);
+
+  dtdMenu->insertItem(i18n("All Present DTEP"));
+  dtdMenu->insertSeparator();
+  dtdList = DTDs::ref()->nickNameList();
+  for(uint i = 0; i < dtdList.count(); i++ )
+  {
+    dtdMenu->insertItem(dtdList[i], i, -1);
+  }
+
+  connect(dtdMenu, SIGNAL(activated(int)), this, SLOT(slotDTDChanged(int)));
+    
+  connect(this, SIGNAL(dropped(QDropEvent*, QListViewItem*, QListViewItem*)),
+          SLOT(slotDropped(QDropEvent*, QListViewItem*, QListViewItem*)));
+  
+  emptyAreaMenu = new KPopupMenu(this);
+  emptyAreaMenu->insertItem(i18n("Show Groups For"), dtdMenu);
+  emptyAreaMenu->insertItem(SmallIcon("reload"), i18n("&Reparse"),     this, SLOT(slotReparseMenuItem()));
+
+  popupMenu = new KPopupMenu(this);
+
+  popupMenu -> insertItem( i18n("Show Groups For"), dtdMenu);
+  popupMenu -> insertSeparator();
+  popupMenu -> insertItem( i18n("Select Tag Area"), this ,SLOT(slotSelectTag()));
+  popupMenu -> insertItem( i18n("Go to End of Tag"), this ,SLOT(slotGotoClosingTag()));
+  openFileMenuId = popupMenu -> insertItem( i18n("Open File"), this ,SLOT(slotOpenFile()));
+  popupMenu -> insertSeparator();
+  popupMenu -> insertItem( i18n("Open Subtrees"), this ,SLOT(slotOpenSubTree()));
+  popupMenu -> insertItem( i18n("Close Subtrees"),this ,SLOT(slotCloseSubTree()));
+  popupMenu -> insertSeparator();
+#if 0
+  popupMenu -> insertItem( i18n("Remove"),this ,SLOT(slotRemoveTags()));
+  popupMenu -> insertSeparator();
+#endif
+  popupMenu -> insertItem( SmallIcon("reload"),  i18n("&Reparse"),     this ,SLOT(slotReparseMenuItem()));
+  followCursorId = popupMenu -> insertItem( i18n("Follow Cursor"), this ,SLOT(changeFollowCursor()));
+
+  popupMenu -> setItemChecked ( followCursorId, followCursor() );
+
+
+  connect( this, SIGNAL(mouseButtonPressed(int, QListViewItem*, const QPoint&, int)),
+           this, SLOT  (slotMouseClicked(int, QListViewItem*, const QPoint&, int)));
+
+  connect( this, SIGNAL(doubleClicked(QListViewItem *)), SLOT(slotDoubleClicked(QListViewItem *)));
+
+  connect(this, SIGNAL(expanded(QListViewItem *)), SLOT(slotExpanded(QListViewItem *)));
+  connect(this, SIGNAL(collapsed(QListViewItem *)), SLOT(slotCollapsed(QListViewItem *)));
+
+  write = 0L;
+  timer = new QTime();
+  timer->start();
+  m_dirty = true;
+}
+
+
+StructTreeView::~StructTreeView(){
+  delete timer;
+}
+
+/** builds the structure tree */
+void StructTreeView::buildTree(Node *baseNode, int openLevel, bool groupOnly)
+{
+#ifdef DEBUG_PARSER
+  kdDebug(24000) << "Starting to rebuild the structure tree. Grouponly = " << groupOnly << endl;
+#endif
+  if (!groupOnly)
+  {
+      top = new StructTreeTag( this, i18n("Document Structure") );
+      top->setOpen(topOpened);
+      emit clearProblemOutput();
+  }
+  Node *currentNode = baseNode;
+  StructTreeTag *currentItem = top; //after this
+  StructTreeTag *item = 0L;
+  StructTreeTag *parentItem = top; //under this
+  int level = 0;
+  QString title;
+  QString tagStr;
+  QString tmpStr;
+  int groupId = 0;
+  const DTDStruct* parsingDTD;
+  for (uint index = 0; index < m_parsingDTDList.count(); index++)
+  {
+    parsingDTD = m_parsingDTDList[index];
+    if (parsingDTD->family == Script)
+    {
+      StructTreeGroup group;
+      uint gCount = parsingDTD->structTreeGroups.count();
+      for (uint i = 0; i < gCount; i++)
+      {
+        group = parsingDTD->structTreeGroups[i];
+        StructTreeTag *groupTag = new StructTreeTag(this, i18n(group.name.utf8()) + " [" + parsingDTD->nickName+"]");
+        if (!group.icon.isEmpty())
+        {
+          groupTag->setPixmap(0, SmallIcon(group.icon));
+        }
+        groupTag->setOpen(groupOpened[groupId]);
+#ifdef DEBUG_PARSER
+        kdDebug(24001) << "Grouptag created: " << groupId << " " << groupTag->text(0) << " "<< groupTag << endl;
+#endif
+        groups.append(groupTag);
+        groupIds.insert(group.name + parsingDTD->name, groupId);
+        groupId++;
+      }
+    } else
+    {
+      QMap<QString, XMLStructGroup>::ConstIterator it;
+      for (it = parsingDTD->xmlStructTreeGroups.begin(); it != parsingDTD->xmlStructTreeGroups.end(); ++it)
+      {
+        XMLStructGroup group = it.data();
+        StructTreeTag *groupTag = new StructTreeTag(this, i18n(group.name.utf8()) + " [" + parsingDTD->nickName+"]");
+        if (!group.icon.isEmpty())
+        {
+          groupTag->setPixmap(0, SmallIcon(group.icon));
+        }
+        groupTag->setOpen(groupOpened[groupId]);
+#ifdef DEBUG_PARSER
+        kdDebug(24001) << "Grouptag created: " << groupId << " " << groupTag->text(0) << " "<< groupTag << endl;
+#endif
+        groups.append(groupTag);
+        groupIds.insert(group.name + parsingDTD->name, groupId);
+        groupId++;
+      }
+
+    }
+  }
+  groupsCount = groupId;
+  QMap<QString, QListViewItem*> lastItemInGroup;
+  QMap<QString, QListViewItem*> groupItems;
+  while (currentNode)
+  {
+    if (!groupOnly)
+    {
+      title = "";
+      item = new StructTreeTag(parentItem, currentNode, title, currentItem);
+      item->setOpen(level < openLevel);
+      currentNode->mainListItem = item;
+
+      if ( (!qConfig.showEmptyNodes && currentNode->tag->type == Tag::Empty) ||
+            (!qConfig.showClosingTags &&
+            (currentNode->tag->type == Tag::XmlTagEnd ||
+              currentNode->tag->type == Tag::ScriptStructureEnd) ) )
+      {
+        item->setVisible(false);
+      }
+    }
+    const DTDStruct *dtd = currentNode->tag->dtd();
+    //add all the group elements belonging to this node to the tree
+    for (QValueList<GroupElement*>::ConstIterator it = currentNode->m_groupElements.constBegin(); it != currentNode->m_groupElements.constEnd(); ++it)
+    {
+      GroupElement *groupElement = (*it);
+      if (!groupIds.contains(groupElement->group->name + dtd->name))
+        continue;
+      StructTreeTag *groupItem = groups[groupIds[groupElement->group->name + dtd->name]];
+      QListViewItem* insertAfter = 0L;
+      QListViewItem* insertUnder = groupItem;
+      if (groupItems.contains(groupElement->group->name + groupElement->tag->name))
+        insertUnder = groupItems[groupElement->group->name  + groupElement->tag->name];
+      if (lastItemInGroup.contains(groupElement->group->name))
+        insertAfter = lastItemInGroup[groupElement->group->name];
+
+      StructTreeTag *item = new StructTreeTag(static_cast<StructTreeTag*>(insertUnder), currentNode, groupElement->tag->name, insertAfter);
+      item->groupTag = groupElement->tag;
+      if (insertUnder == groupItem)
+      {
+        groupItems[groupElement->group->name + groupElement->tag->name] = item;
+        lastItemInGroup[groupElement->group->name] = item;
+      }
+      item->hasOpenFileMenu = groupElement->group->hasFileName;
+      item->fileNameRx = groupElement->group->fileNameRx;
+#ifdef DEBUG_PARSER
+      kdDebug(24001) << "Tree element "<< groupElement->tag->tagStr() << "[" << groupElement->group->name<<"]"<< " inserted: " << item << " under " <<insertUnder << " after " << insertAfter << endl;
+#endif
+    }
+
+    //go to the child node, if it exists
+    if (currentNode->child)
+    {
+      currentNode = currentNode->child;
+      parentItem = item;
+      currentItem = 0L;
+      level++;
+    } else
+    {
+      //go to the next node if it exists
+      if (currentNode->next)
+      {
+        currentNode = currentNode->next;
+        currentItem = item;
+      } else
+      {
+        //go up some levels, to the parent, if the node has no child or next
+        while (currentNode)
+        {
+          level--;
+          //parentItem = dynamic_cast<StructTreeTag*>(parentItem->parent());
+          if (currentNode->parent && currentNode->parent->next)
+          {
+            currentNode = currentNode->parent->next;
+            break;
+          } else
+          {
+            currentNode = currentNode->parent;
+          }
+        }
+        if (!groupOnly && currentNode)
+        {
+          if (currentNode->prev)
+              currentItem = static_cast<StructTreeTag*>(currentNode->prev->mainListItem);
+          if (currentNode->parent)
+          {
+            parentItem = static_cast<StructTreeTag*>(currentNode->parent->mainListItem);
+            if (!parentItem)
+            {
+              parentItem = top;
+            }
+          }
+          else
+          {
+            parentItem = top;
+          }
+        }
+
+      }
+    }
+  }
+  //add the externally found items to the tree
+  QListViewItem *insertUnder;
+  QListViewItem *insertAfter;
+  QListViewItem *listItem;
+  GroupElementMapList::Iterator it;
+  IncludedGroupElementsMap::Iterator externalIt;
+  for (uint index = 0; index < m_parsingDTDList.count(); index++)
+  {
+    parsingDTD = m_parsingDTDList[index];
+    if (parsingDTD->family == Script)
+    {
+      StructTreeGroup group;
+      uint gCount = parsingDTD->structTreeGroups.count();
+      for (uint i = 0; i < gCount; i++)
+      {
+        group = parsingDTD->structTreeGroups[i];
+        groupId = groupIds[group.name + parsingDTD->name];
+        QString name = group.name+"|";
+        StructTreeTag *groupTag = groups[groupId];
+        for (externalIt = parser->includedMap.begin(); externalIt != parser->includedMap.end(); ++externalIt)
+        {
+          insertUnder = new StructTreeTag(static_cast<StructTreeTag*>(groupTag), 0L, externalIt.key(), groupTag);
+          insertAfter = insertUnder;
+          IncludedGroupElements elements = externalIt.data();
+          GroupElementMapList::Iterator elIt;
+          for (elIt = elements[group.name].begin(); elIt != elements[group.name].end(); ++elIt)
+          {
+            listItem = new StructTreeTag(static_cast<StructTreeTag*>(insertUnder), elIt.data()[0]->node, elIt.key(), insertAfter);
+            static_cast<StructTreeTag*>(listItem)->hasOpenFileMenu = group.hasFileName;
+            static_cast<StructTreeTag*>(listItem)->fileNameRx = group.fileNameRx;
+            insertAfter = listItem;
+          }
+          if (!insertUnder->firstChild())
+              delete insertUnder;
+          else
+              insertUnder->sortChildItems(0, true);
+        }
+        groupTag->sortChildItems(0, true);
+      }
+    }
+  }
+}
+
+/** Delete the items */
+void StructTreeView::deleteList(bool groupOnly)
+{
+  if (!groupOnly && top )
+  {
+    topOpened = top->isOpen();
+    delete top;
+    top = 0L;
+  }
+  for (uint i = 0; i < groupsCount; i++)
+  {
+    groupOpened.append(groups[i]->isOpen());
+#ifdef DEBUG_PARSER
+    kdDebug(24001) << "Grouptag deleted: " << i << " " <<  groups[i]->text(0) << endl;
+#endif
+    delete groups[i];
+  }
+  groups.clear();
+  groupIds.clear();
+  groupsCount = 0;
+}
+
+/** repaint document structure */
+void StructTreeView::slotReparse(Document *w, Node* node, int openLevel, bool groupOnly)
+{
+  timer->restart();
+  if (typingInProgress)
+    return;
+  deleteList(groupOnly);
+  if (!node)
+    return;
+  write = w;
+  if (write)
+    write->clearAnnotations();
+  write->clearErrorMarks();
+  buildTree(node, openLevel, groupOnly);
+
+  kdDebug(24000) << "StructTreeView building: " << timer->elapsed() << " ms\n";
+
+  const DTDStruct *parsingDTD;
+  int groupId = 0;
+  for (uint index = 0; index < m_parsingDTDList.count(); index++)
+  {
+    parsingDTD = m_parsingDTDList[index];
+    if (parsingDTD->family == Script)
+    {
+      uint gCount = parsingDTD->structTreeGroups.count();
+      for (uint i = 0; i < gCount; i++)
+      {
+        StructTreeTag *groupTag = groups[groupId];
+        if (groupTag->childCount() == 0)
+        {
+          if (qConfig.showEmptyNodes)
+          {
+            //kdDebug(24000) << "No elements in group: " << groupId << " " << groupTag->text(0) << endl;
+            groupTag->setText(0, i18n(parsingDTD->structTreeGroups[i].noName.utf8()) + " [" + parsingDTD->nickName+"]");
+          } else
+          {
+            groupTag->setVisible(false);
+          }
+        }
+        groupId++;
+      }
+    } else
+    {
+      QMap<QString, XMLStructGroup>::ConstIterator it;
+      uint i = 0;
+      for (it = parsingDTD->xmlStructTreeGroups.begin(); it != parsingDTD->xmlStructTreeGroups.end(); ++it)
+      {
+        StructTreeTag *groupTag = groups[groupId];
+        if (groupTag->childCount() == 0)
+        {
+          if (qConfig.showEmptyNodes)
+          {
+            //kdDebug(24000) << "No elements in group: " << groupId << " " << groupTag->text(0) << endl;
+            groupTag->setText(0, i18n(it.data().noName.utf8()) + " [" + parsingDTD->nickName+"]");
+          } else
+          {
+            groupTag->setVisible(false);
+          }
+        }
+        i++;
+        groupId++;
+      }
+    }
+  }
+  useOpenLevelSetting = false;
+  m_dirty = false;
+}
+
+void StructTreeView::slotGotoTag( QListViewItem *item )
+{
+  StructTreeTag *it = dynamic_cast<StructTreeTag*>(item);
+  if (!m_dirty && it && it->node && it->node->tag)
+  {
+    Tag *tag = new Tag(*it->node->tag);
+    int line, col;
+    tag->beginPos(line, col);
+    if (!it->node->fileName.isEmpty())
+    {
+      KURL url;
+      QuantaCommon::setUrl(url, it->node->fileName);
+      emit openFile(url);
+    }
+    int el, ec;
+    tag->endPos(el, ec);
+/*
+    kdDebug(24000) << "Node area: " << line << ", " << col << ", " << el << ", " << ec << endl;
+    kdDebug(24000) << "Node type: " << tag->type << endl;
+    kdDebug(24000) << "Node str: " << tag->tagStr() << endl;
+    kdDebug(24000) << "Node cleanstr: " << tag->cleanStr << endl;
+*/
+    if (tag->type == Tag::XmlTag || tag->type == Tag::XmlTagEnd)
+      col++; //position the cursor inside the tag
+    emit newCursorPosition(line, col);
+    Document *w = ViewManager::ref()->activeDocument();
+    if (w)
+      w->view()->setFocus();
+    delete tag;
+  }
+}
+
+
+void StructTreeView::slotMouseClicked(int button, QListViewItem *item, const QPoint& point, int dummy)
+{
+  if (item)
+  {
+    config->setGroup("Parser options");
+
+    QString handleMBM = config->readEntry("MBM", i18n("Select Tag Area"));
+    QString handleLBM = config->readEntry("LBM", i18n("Find tag"));
+    QString handleDoubleClick = config->readEntry("Double click", i18n("Select Tag Area"));
+
+    setSelected(item, true);
+
+    if (button == Qt::RightButton)
+    {
+      if (dynamic_cast<StructTreeTag*>(item))
+      {
+        popupMenu->setItemVisible(openFileMenuId, static_cast<StructTreeTag*>(item)->hasOpenFileMenu);
+      }
+      popupMenu->popup(point);
+      return;
+    }
+
+    if (button == Qt::LeftButton)
+    {
+      if (handleLBM == i18n("Find Tag && Open Tree"))
+           setOpen(item, !isOpen(item));
+      setSelected(item, true);
+      
+      bool const ctrlPressed = KApplication::keyboardMouseState() & Qt::ControlButton;
+      
+      if(ctrlPressed)
+          setContiguousSelectedItems();
+      
+      if(ViewManager::ref()->activeView()->hadLastFocus() == QuantaView::VPLFocus)
+          slotMouseClickedVPL(button, item, point, dummy);
+      else
+          slotGotoTag(item);
+    }
+
+    if (button == Qt::MidButton)
+    {
+      if (handleMBM == i18n("nothing"))
+           return;
+
+      if (handleMBM == i18n("Find Tag && Open Tree"))
+      {
+        setOpen(item, !isOpen(item));
+        setSelected(item, true);
+        slotGotoTag(item);
+      }
+
+      if (handleMBM == i18n("Select Tag Area"))
+           slotSelectTag();
+
+      if (handleMBM == i18n("Go to End of Tag"))
+          slotGotoClosingTag();
+
+      setSelected(item, true);
+    }
+  } else
+    if (button == Qt::RightButton)
+      emptyAreaMenu->popup(point);
+}
+
+
+void StructTreeView::slotDoubleClicked( QListViewItem *item)
+{
+  config->setGroup("Parser options");
+
+  if ( config->readEntry("Double click") != i18n("nothing") )
+  {
+    slotSelectTag();
+  } else
+  {
+    item->setOpen(!item->isOpen());
+  }
+}
+
+
+
+void StructTreeView::slotReparseMenuItem()
+{
+  useOpenLevelSetting = true;
+  emit needReparse();
+}
+
+void StructTreeView::slotGotoClosingTag()
+{
+  QListViewItem *item = currentItem();
+  StructTreeTag *it = dynamic_cast<StructTreeTag*>(item);
+  if (!m_dirty && it && it->node)
+  {
+    int newLine, newCol;
+    Tag *tag = it->node->tag;
+    if (tag->single || !it->node->next)
+    {
+      tag->endPos(newLine, newCol);
+    } else
+    {
+      if (tag->closingMissing)
+      {
+        Node *node = it->node;
+        while (node->child) node = node->child;
+        node->tag->endPos(newLine, newCol);
+      } else
+      {
+        it->node->next->tag->endPos(newLine, newCol);
+      }
+    }
+
+    emit newCursorPosition( newLine, newCol + 1 );
+  }
+}
+
+void StructTreeView::slotSelectTag()
+{
+  bool newFileOpened = false;
+  QListViewItem *item = currentItem();
+  StructTreeTag *it = dynamic_cast<StructTreeTag*>(item);
+  if (!m_dirty && it && it->node)
+  {
+    int bLine, bCol, eLine, eCol;
+    if (it->node->fileName.isEmpty())
+    {
+      if (it->groupTag)
+      {
+        Tag *tag = it->groupTag;
+        tag->beginPos(bLine, bCol);
+        tag->endPos(eLine, eCol);
+      } else
+      {
+        Tag *tag = it->node->tag;
+        if (tag->single || !it->node->next)
+        {
+          tag->endPos(eLine, eCol);
+        } else
+        {
+          emit selectTagArea(it->node);
+          return;
+        }
+        tag->beginPos(bLine, bCol);
+      }
+    } else
+    {
+      KURL url;
+      QuantaCommon::setUrl(url, it->node->fileName);
+      it->node->tag->beginPos(bLine, bCol);
+      it->node->tag->endPos(eLine, eCol);
+      eCol--;
+      emit openFile(url);
+      newFileOpened = true;
+
+    }
+    emit selectArea( bLine, bCol, eLine, eCol + 1);
+
+    if (!newFileOpened)
+    {
+      setSelected(item, true);
+      it->node->tag->write()->view()->setFocus();
+    }
+  }
+}
+
+
+/** Do the recursive opening or closing of the trees */
+void StructTreeView::setOpenSubTree( QListViewItem *it, bool open)
+{
+  if (it)
+  {
+    it->setOpen(open);
+    setOpenSubTree( it->nextSibling(), open );
+    setOpenSubTree( it->firstChild(), open );
+  }
+}
+
+/** Recursively open the tree and all its subtrees */
+void StructTreeView::slotOpenSubTree()
+{
+  QListViewItem *item = currentItem();
+  if (item)
+  {
+    item->setOpen( true );
+    setOpenSubTree( item->firstChild(), true );
+  }
+}
+
+
+/** Recursively close the tree and all its subtrees */
+void StructTreeView::slotCloseSubTree()
+{
+  QListViewItem *item = currentItem();
+  if (item)
+  {
+    item->setOpen( false );
+    setOpenSubTree( item->firstChild(), false );
+  }
+}
+
+/** Show the element in tree according to cursor position (x,y) */
+void StructTreeView::showTagAtPos(Node *node)
+{
+  if (followCursorFlag)
+  {
+    if (node && node->mainListItem)
+    {
+      clearSelection();
+      ensureItemVisible(node->mainListItem);
+      setSelected(node->mainListItem, true);
+    }
+  } //if (followCursorFlag)
+}
+
+void StructTreeView::setFollowCursor(bool follow)
+{
+   followCursorFlag = follow;
+   popupMenu->setItemChecked(followCursorId, follow);
+}
+
+/** No descriptions */
+void StructTreeView::slotExpanded(QListViewItem *item)
+{
+ StructTreeTag *it = dynamic_cast<StructTreeTag*>(item);
+ if (!m_dirty && it && it->node)
+     it->node->opened = true;
+}
+
+/** No descriptions */
+void StructTreeView::slotCollapsed(QListViewItem *item)
+{
+ StructTreeTag *it = dynamic_cast<StructTreeTag*>(item);
+ if (!m_dirty && it && it->node)
+     it->node->opened = false;
+}
+/** Do a reparse before showing. */
+void StructTreeView::showEvent(QShowEvent* /*ev*/)
+{
+  slotReparseMenuItem();
+}
+
+/** Do a reparse before showing. */
+void StructTreeView::hideEvent(QHideEvent* /*ev*/)
+{
+  emit clearProblemOutput();
+}
+
+enum {
+    DRAG_COPY = 0,
+    DRAG_MOVE = 1,
+    DRAG_CANCEL = 2
+};
+
+void StructTreeView::setContiguousSelectedItems()
+{
+    kdDebug(25001) << "setContiguousSelectedItems" << endl;
+    
+    QPtrList<QListViewItem> selected_items = selectedItems(false);    
+    
+    QListViewItem* first = selected_items.getFirst();
+    QListViewItem* last = selected_items.getLast();
+
+    QListViewItemIterator it(first);
+    while(it.current() && it.current() != last) 
+    {
+        QListViewItem* item = it.current();
+        if(!item->isSelected())
+            item->setSelected(true);
+            
+        ++it;
+    }
+}
+
+bool StructTreeView::acceptDrag(QDropEvent* e) const
+{
+    static int i = 0;
+    kdDebug(25001) << "acceptDrag: " << ++i << endl;
+    
+    QPoint p = contentsToViewport(e->pos());
+    QListViewItem* current_item = itemAt(p);
+    
+//     assert(m_thisWidget);
+    
+    static bool last_accept = false;
+    
+    if(current_item == m_marker)
+    {
+        e->accept(last_accept);
+/*        if(last_accept)
+        m_thisWidget->setCursor(Qt::ForbiddenCursor);
+        else
+        m_thisWidget->setCursor(Qt::ForbiddenCursor);*/
+        kdDebug(25001) << "Princ�io: " << last_accept << endl;
+
+        return last_accept;
+    }
+    else
+        m_marker = current_item;
+            
+    if(current_item == m_draggedItem ||
+       !(e->provides("text/x-struct_tree_tag_item") || e->source() == (QWidget *)this) || !m_marker)
+    {
+        e->accept(false);
+        last_accept = false;
+/*        if(last_accept)
+        m_thisWidget->setCursor(Qt::ForbiddenCursor);
+        else
+        m_thisWidget->setCursor(Qt::ForbiddenCursor);*/
+        kdDebug(25001) << "PROIBIDO! #1" << endl;
+        return false;
+    }
+    
+    Node* dragged_node = (dynamic_cast<StructTreeTag*> (m_draggedItem))->node;
+    Node* after_node = (dynamic_cast<StructTreeTag*> (m_marker))->node;
+    if(!after_node)
+    {
+        e->accept(false);
+        last_accept = false;
+/*        if(last_accept)
+        m_thisWidget->setCursor(Qt::ForbiddenCursor);
+        else
+        m_thisWidget->setCursor(Qt::ForbiddenCursor);*/
+        kdDebug(25001) << "PROIBIDO! #2" << endl;
+        return false;
+    }    
+    QTag* nodeQTag = QuantaCommon::tagFromDTD(after_node->parent);
+    bool is_child = (nodeQTag && nodeQTag->isChild(dragged_node));
+    
+    if(!is_child)
+        kdDebug(25001) << "PROIBIDO! #3" << endl;
+    else
+        kdDebug(25001) << "ACEITE!" << endl;
+    
+    e->accept(is_child);
+    last_accept = is_child;
+//     if(last_accept)
+//         m_thisWidget->setCursor(Qt::ForbiddenCursor);
+//     else
+//         m_thisWidget->setCursor(Qt::ForbiddenCursor);
+
+    return is_child;
+}
+
+void StructTreeView::slotDropped(QDropEvent* e, QListViewItem* parent, QListViewItem* after)
+{
+    if(!e) 
+        return;
+    if (e->source() != this) 
+        return; // Only internal drags are supported atm
+
+    if(!QTextDrag::canDecode(e))
+        return;
+    
+    KPopupMenu *menu = new KPopupMenu( this );
+    menu->insertItem( i18n("&Move Here"), DRAG_MOVE, 0 );
+    menu->insertItem( SmallIcon("editcopy"), i18n("&Copy Here"), DRAG_COPY, 1 );
+    menu->insertSeparator();
+    menu->insertItem( SmallIcon("cancel"), i18n("C&ancel"), DRAG_CANCEL, 3 );
+    int id = menu->exec(QCursor::pos(), 0);
+    
+    switch(id) {
+        case DRAG_COPY:
+            copySelectedItems(parent, after);
+            break;
+        case DRAG_MOVE:
+            moveSelectedItems(parent, after);
+            break;
+            case DRAG_CANCEL: // cancelled by menuitem
+                break;
+                case -1: // cancelled by Esc
+                    break;
+        default:
+            break;
+    }
+    
+    m_draggedItem = 0;
+}
+
+void StructTreeView::startDrag()
+{
+    // This a dummy drag object. Decode is made by the objects selected on the tree.
+    QTextDrag* drag = new QTextDrag(this);
+//     m_thisWidget = drag->source();
+    drag->setSubtype("x-struct_tree_tag_item");
+    drag->setPixmap(SmallIcon("node"));
+    drag->dragMove();
+  
+}
+
+void StructTreeView::contentsMousePressEvent(QMouseEvent* e)
+{
+    if(e->button() == LeftButton)
+    {
+        QPoint p = contentsToViewport(e->pos());
+        m_draggedItem = itemAt(p);
+        m_marker = m_draggedItem;
+    }
+    KListView::contentsMousePressEvent(e);
+}
+
+void StructTreeView::copySelectedItems(QListViewItem* parent, QListViewItem* after)
+{
+    StructTreeTag* parent_item = dynamic_cast<StructTreeTag*> (parent);
+    StructTreeTag* after_item = dynamic_cast<StructTreeTag*> (after);
+    if(!parent_item/* || !after_item*/) // can happen if the element is inserted as the first child
+        return;
+    
+    QPtrList<QListViewItem> selected_items = selectedItems(false);        
+    QListViewItem* first_item = selected_items.getFirst();
+    QListViewItem* last_item = selected_items.getLast();
+    
+    Node* start_node = (dynamic_cast<StructTreeTag*> (first_item))->node;
+    Node* end_node = (dynamic_cast<StructTreeTag*> (last_item))->node;
+    assert(start_node && end_node);
+    
+    Node* start_node_subtree = 0;
+    if(start_node == end_node)
+        start_node_subtree = kafkaCommon::duplicateNodeSubtree(start_node, true);
+    else
+        start_node_subtree = kafkaCommon::getNodeSubtree(start_node, 0, end_node, end_node->tag->tagStr().length());
+
+    Node* parent_node = parent_item->node;
+    if(!parent_node)
+        return;
+    Node* next_node = 0;
+    if(after_item)
+        next_node = after_item->node->SNext();
+    else
+        next_node = parent_node->firstChild();
+    
+    NodeSelection cursor_holder;
+    NodeModifsSet *modifs = new NodeModifsSet();
+    
+    kafkaCommon::DTDInsertNodeSubtree(start_node_subtree, parent_node, next_node, cursor_holder, modifs);
+    
+    write->docUndoRedo->addNewModifsSet(modifs, undoRedo::NodeTreeModif, 0, false);    
+}
+
+void StructTreeView::moveSelectedItems(QListViewItem* parent, QListViewItem* after)
+{
+    StructTreeTag* parent_item = dynamic_cast<StructTreeTag*> (parent);
+    StructTreeTag* after_item = dynamic_cast<StructTreeTag*> (after);
+    if(!parent_item || !after_item)
+        return;
+    
+    QPtrList<QListViewItem> selected_items = selectedItems(false);        
+    QListViewItem* first_item = selected_items.getFirst();
+    QListViewItem* last_item = selected_items.getLast();
+    
+    Node* start_node = (dynamic_cast<StructTreeTag*> (first_item))->node;
+    Node* end_node = (dynamic_cast<StructTreeTag*> (last_item))->node;
+    assert(start_node && end_node);
+    
+    Node* cursor_node = 0;
+    long cursor_offset = 0;
+    NodeModifsSet *modifs = new NodeModifsSet();
+    
+    Node* start_node_subtree = 0;
+    if(start_node == end_node)
+        start_node_subtree = kafkaCommon::extractNodeSubtreeAux(start_node, end_node, modifs);    
+    else
+        start_node_subtree = kafkaCommon::DTDExtractNodeSubtree(start_node, 0, end_node, end_node->tag->tagStr().length(), 
+            &cursor_node, cursor_offset, modifs);
+
+    Node* parent_node = parent_item->node;
+    if(!parent_node)
+        return;
+    Node* next_node = after_item->node->SNext();
+    
+    NodeSelection cursor_holder(cursor_node, cursor_offset);
+    
+    kafkaCommon::DTDInsertNodeSubtree(start_node_subtree, parent_node, next_node, cursor_holder, modifs);
+    
+    write->docUndoRedo->addNewModifsSet(modifs, undoRedo::NodeTreeModif, &cursor_holder, false);    
+}
+
+/** The treeview DTD  has changed to id. */
+void StructTreeView::slotDTDChanged(int id)
+{
+  QString text = dtdMenu->text(id);
+  if (dtdMenu->indexOf(id) > 0)
+  {
+    QString dtdName = DTDs::ref()->getDTDNameFromNickName(text);
+    emit showGroupsForDTEP(dtdName, !dtdMenu->isItemChecked(id));
+  } else
+    emit showGroupsForDTEP("clear", true);
+}
+
+void StructTreeView::setParsingDTDs(const QStringList &parsingDTDList)
+{
+  m_parsingDTDList.clear();
+  for (uint i = 0; i < dtdList.count(); i++)
+  {
+    dtdMenu->setItemChecked(i, false);
+  }
+  QString dtdNickName;
+  for (QStringList::ConstIterator it = parsingDTDList.constBegin(); it != parsingDTDList.constEnd(); ++it)
+  {
+    dtdNickName = DTDs::ref()->getDTDNickNameFromName(*it);
+    for (uint i = 0; i < dtdList.count(); i++)
+    {
+      if (dtdList[i] == dtdNickName)
+        dtdMenu->setItemChecked(i, true);
+    }
+    m_parsingDTDList.append(DTDs::ref()->find(*it));
+  }
+}
+
+void StructTreeView::slotOpenFile()
+{
+  StructTreeTag *item = dynamic_cast<StructTreeTag*>(currentItem());
+  if (!m_dirty && item->node)
+  {
+    QString text = item->groupTag->name;
+    text.remove(item->fileNameRx);
+    KURL baseUrl = QExtFileInfo::path(write->url());
+    KURL url = baseUrl;
+    QuantaCommon::setUrl(url, text.stripWhiteSpace());
+    url = QExtFileInfo::toAbsolute(url, baseUrl);
+    if (QExtFileInfo::exists(url, true, this))
+    {
+      if (QuantaCommon::checkMimeGroup(url, "text" ))
+      {
+        emit openFile(url);
+      }
+      else if (QuantaCommon::checkMimeGroup(url," image" ))
+      {
+        emit openImage(url);
+      }
+    } else
+      KMessageBox::error(this, i18n("<qt>The file <b>%1</b> does not exist or is not a recognized mime type.</qt>").arg(url.prettyURL(0, KURL::StripFileProtocol)));
+  }
+}
+
+void StructTreeView::slotNodeTreeChanged()
+{
+  m_dirty = true;
+}
+
+void StructTreeView::showMessage(const QString& message)
+{
+  emit showProblemMessage(message);
+}
+
+void StructTreeView::slotMouseClickedVPL(int /*button*/, QListViewItem* item, const QPoint&, int)
+{
+    ViewManager::ref()->activeView()->setFocus();
+
+    QPtrList<QListViewItem> selected_items = selectedItems(true);    
+    if(selected_items.count() == 1)
+    {
+        StructTreeTag* tag_item = dynamic_cast<StructTreeTag*> (item);
+        if(!tag_item)
+            return;
+        Node* node = tag_item->node;
+        if(!node)
+            return;
+        if(node->tag->type == Tag::Text || node->tag->type == Tag::Empty)
+        {
+            KafkaDocument::ref()->setCursor(node, 0);
+        }
+    }
+    else
+    {
+        Node* start_node = (dynamic_cast<StructTreeTag*> (selected_items.getFirst()))->node;
+        Node* end_node = (dynamic_cast<StructTreeTag*> (selected_items.getLast()))->node;
+        
+        NodeSelectionInd selection(start_node, 0, end_node, 1/*end_node->tag->tagStr().length()*/);
+        KafkaDocument::ref()->setCursorAndSelection(&selection);
+    }
+}
+
+void StructTreeView::slotRemoveTags()
+{
+    QPtrList<QListViewItem> selected_items = selectedItems(true);    
+
+    Node* start_node = (dynamic_cast<StructTreeTag*> (selected_items.getFirst()))->node;
+    Node* end_node = start_node;
+    if(selected_items.count() > 1)
+        end_node = (dynamic_cast<StructTreeTag*> (selected_items.getLast()))->node;
+    
+    kafkaCommon::coutTree(start_node, 3);
+
+    Node* cursor_node = 0;
+    long cursor_offset = 0;
+    
+    NodeModifsSet *modifs = new NodeModifsSet();
+    kafkaCommon::DTDExtractNodeSubtree(start_node, 0, end_node, end_node->tag->tagStr().length(), &cursor_node, cursor_offset, modifs);
+
+    NodeSelection* selection = new NodeSelection(cursor_node, cursor_offset);
+    
+    write->docUndoRedo->addNewModifsSet(modifs, undoRedo::NodeTreeModif, selection, false);
+}
+