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qt-creator/share/qtcreator/qmljsdebugger/editor/singleselectionmanipulator.cpp

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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "singleselectionmanipulator.h"
#include "qdeclarativeviewobserver.h"
#include "qdeclarativeviewobserver_p.h"
#include <QtDebug>
namespace QmlObserver {
SingleSelectionManipulator::SingleSelectionManipulator(QDeclarativeViewObserver *editorView)
: m_editorView(editorView),
m_isActive(false)
{
}
void SingleSelectionManipulator::begin(const QPointF &beginPoint)
{
m_beginPoint = beginPoint;
m_isActive = true;
m_oldSelectionList = QDeclarativeViewObserverPrivate::get(m_editorView)->selectedItems();
}
void SingleSelectionManipulator::update(const QPointF &/*updatePoint*/)
{
m_oldSelectionList.clear();
}
void SingleSelectionManipulator::clear()
{
m_beginPoint = QPointF();
m_oldSelectionList.clear();
}
void SingleSelectionManipulator::end(const QPointF &/*updatePoint*/)
{
m_oldSelectionList.clear();
m_isActive = false;
}
void SingleSelectionManipulator::select(SelectionType selectionType, const QList<QGraphicsItem*> &items, bool /*selectOnlyContentItems*/)
{
QGraphicsItem *selectedItem = 0;
foreach(QGraphicsItem* item, items)
{
//FormEditorItem *formEditorItem = FormEditorItem::fromQGraphicsItem(item);
if (item
/*&& !formEditorItem->qmlItemNode().isRootNode()
&& (formEditorItem->qmlItemNode().hasShowContent() || !selectOnlyContentItems)*/)
{
selectedItem = item;
break;
}
}
QList<QGraphicsItem*> resultList;
switch(selectionType) {
case AddToSelection: {
resultList.append(m_oldSelectionList);
if (selectedItem && !m_oldSelectionList.contains(selectedItem))
resultList.append(selectedItem);
}
break;
case ReplaceSelection: {
if (selectedItem)
resultList.append(selectedItem);
}
break;
case RemoveFromSelection: {
resultList.append(m_oldSelectionList);
if (selectedItem)
resultList.removeAll(selectedItem);
}
break;
case InvertSelection: {
if (selectedItem
&& !m_oldSelectionList.contains(selectedItem))
{
resultList.append(selectedItem);
}
}
}
m_editorView->setSelectedItems(resultList);
}
void SingleSelectionManipulator::select(SelectionType selectionType, bool selectOnlyContentItems)
{
QList<QGraphicsItem*> itemList = QDeclarativeViewObserverPrivate::get(m_editorView)->selectableItems(m_beginPoint);
select(selectionType, itemList, selectOnlyContentItems);
}
bool SingleSelectionManipulator::isActive() const
{
return m_isActive;
}
QPointF SingleSelectionManipulator::beginPoint() const
{
return m_beginPoint;
}
}