Added abandoned KDE3 version of knowit

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/knowit@1091582 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 146 insertions, 0 deletions

diff --git a/src/knowittree.cpp b/src/knowittree.cpp
new file mode 100644
index 0000000..ad260fb
--- /dev/null
+++ b/src/knowittree.cpp
@@ -0,0 +1,146 @@
+/***************************************************************************
+                          knowittree.cpp  -  description
+                             -------------------
+    begin                : sob gru 20 2003
+    copyright            : (C) 2003 by Micha³ Rudolf
+    email                : mrudolf@kdewebdev.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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <klocale.h>
+#include <qevent.h>
+#include <qdragobject.h>
+#include <qheader.h>
+#include <qwhatsthis.h>
+#include "knowittree.h"
+
+KnowitTree::KnowitTree(QWidget* parent, const char* name)
+   : KListView(parent, name)
+{
+   setMinimumSize(150, 150);
+   addColumn(i18n("Notes"));
+   setRootIsDecorated(true);
+   setItemsRenameable(true);
+   setDragEnabled(true);
+   setAcceptDrops(true);
+   setFullWidth(true);
+   setSorting(-1);
+   setDragAutoScroll(true);
+   prevItem = 0;
+   QWhatsThis::add(this, i18n("<h2>Notes hierarchy</h2>"
+      "Here you can browse notes tree. "
+      "You can also add notes using right-click menu, or reorganize them using "
+      "drag and drop."));
+}
+
+
+void KnowitTree::takeNode(QListViewItem* item)
+{
+   if (item->parent())
+      item->parent()->takeItem(item);
+   else
+      takeItem(item);
+}
+
+void KnowitTree::insertNode(QListViewItem* parent, QListViewItem* item, QListViewItem* after)
+{
+   if (parent)
+      parent->insertItem(item);
+   else
+      insertItem(item);
+   if (after)
+      item->moveItem(after);
+}
+
+
+void KnowitTree::contentsDragMoveEvent(QDragMoveEvent* event)
+{
+   QListViewItem* item = itemAt(event->pos());
+   /* check if on root decoration */
+   if (!item || event->pos().x() > header()->cellPos(header()->mapToActual(0)) +
+         treeStepSize() * (item->depth() + 1) + itemMargin() ||
+      event->pos().x() < header()->cellPos(header()->mapToActual(0)))
+      return;
+   if (item && item->childCount() && !item->isOpen())
+      item->setOpen(true);
+}
+
+void KnowitTree::slotCollapseAll()
+{
+   QListViewItem* it = firstChild();
+   while(it) {
+      it->setOpen(false);
+      it = it->nextSibling();
+      }
+}
+
+void KnowitTree::slotCollapse()
+{
+   if (currentItem())
+      currentItem()->setOpen(false);
+}
+
+
+void KnowitTree::slotExpandAll()
+{
+   QListViewItem* it = firstChild();
+   while(it) {
+      it->setOpen(true);
+      it = it->nextSibling();
+      }
+}
+
+void KnowitTree::slotExpand()
+{
+   if (currentItem())
+      currentItem()->setOpen(true);
+}
+
+void KnowitTree::slotItemUp()
+{
+   if (currentItem())
+      setCurrentItem(currentItem()->itemAbove());
+}
+
+void KnowitTree::slotItemDown()
+{
+   if (currentItem())
+      setCurrentItem(currentItem()->itemBelow());
+}
+
+void KnowitTree::slotItemBegin()
+{
+   setCurrentItem(firstChild());
+}
+
+void KnowitTree::slotItemEnd()
+{
+   QListViewItem* elt = firstChild();
+   if (elt)
+      while (elt->itemBelow())
+         elt = elt->itemBelow();
+   setCurrentItem(elt);
+}
+
+void KnowitTree::slotItemLeft()
+{
+   if (currentItem())
+      setCurrentItem(currentItem()->parent());
+}
+
+void KnowitTree::slotItemRight()
+{
+   if (currentItem())
+      setCurrentItem(currentItem()->firstChild());
+}
+
+
+