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/***************************************************************************
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 <tqevent.h>
#include <tqdragobject.h>
#include <tqheader.h>
#include <tqwhatsthis.h>
#include "knowittree.h"
KnowitTree::KnowitTree(TQWidget* 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;
TQWhatsThis::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(TQListViewItem* item)
{
if (item->parent())
item->parent()->takeItem(item);
else
takeItem(item);
}
void KnowitTree::insertNode(TQListViewItem* parent, TQListViewItem* item, TQListViewItem* after)
{
if (parent)
parent->insertItem(item);
else
insertItem(item);
if (after)
item->moveItem(after);
}
void KnowitTree::contentsDragMoveEvent(TQDragMoveEvent* event)
{
TQListViewItem* 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()
{
TQListViewItem* it = firstChild();
while(it) {
it->setOpen(false);
it = it->nextSibling();
}
}
void KnowitTree::slotCollapse()
{
if (currentItem())
currentItem()->setOpen(false);
}
void KnowitTree::slotExpandAll()
{
TQListViewItem* 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()
{
TQListViewItem* 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());
}
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