Files
qt-creator/share/qtcreator/qml/qmljsdebugger/editor/abstractliveedittool.cpp
2011-04-13 11:49:28 +02:00

194 lines
5.6 KiB
C++

/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "abstractliveedittool.h"
#include "qdeclarativeviewobserver.h"
#include "../qdeclarativeviewobserver_p.h"
#include <QDeclarativeEngine>
#include <QtDebug>
#include <QGraphicsItem>
#include <QDeclarativeItem>
namespace QmlJSDebugger {
AbstractLiveEditTool::AbstractLiveEditTool(QDeclarativeViewObserver *editorView)
: QObject(editorView), m_observer(editorView)
{
}
AbstractLiveEditTool::~AbstractLiveEditTool()
{
}
QDeclarativeViewObserver *AbstractLiveEditTool::observer() const
{
return m_observer;
}
QDeclarativeView *AbstractLiveEditTool::view() const
{
return m_observer->declarativeView();
}
QGraphicsScene* AbstractLiveEditTool::scene() const
{
return view()->scene();
}
void AbstractLiveEditTool::updateSelectedItems()
{
selectedItemsChanged(items());
}
QList<QGraphicsItem*> AbstractLiveEditTool::items() const
{
return observer()->selectedItems();
}
void AbstractLiveEditTool::enterContext(QGraphicsItem *itemToEnter)
{
observer()->data->enterContext(itemToEnter);
}
bool AbstractLiveEditTool::topItemIsMovable(const QList<QGraphicsItem*> & itemList)
{
QGraphicsItem *firstSelectableItem = topMovableGraphicsItem(itemList);
if (firstSelectableItem == 0)
return false;
if (toQDeclarativeItem(firstSelectableItem) != 0)
return true;
return false;
}
bool AbstractLiveEditTool::topSelectedItemIsMovable(const QList<QGraphicsItem*> &itemList)
{
QList<QGraphicsItem*> selectedItems = observer()->selectedItems();
foreach (QGraphicsItem *item, itemList) {
QDeclarativeItem *declarativeItem = toQDeclarativeItem(item);
if (declarativeItem
&& selectedItems.contains(declarativeItem)
/*&& (declarativeItem->qmlItemNode().hasShowContent() || selectNonContentItems)*/)
return true;
}
return false;
}
bool AbstractLiveEditTool::topItemIsResizeHandle(const QList<QGraphicsItem*> &/*itemList*/)
{
return false;
}
QDeclarativeItem *AbstractLiveEditTool::toQDeclarativeItem(QGraphicsItem *item)
{
return qobject_cast<QDeclarativeItem*>(item->toGraphicsObject());
}
QGraphicsItem *AbstractLiveEditTool::topMovableGraphicsItem(const QList<QGraphicsItem*> &itemList)
{
foreach (QGraphicsItem *item, itemList) {
if (item->flags().testFlag(QGraphicsItem::ItemIsMovable))
return item;
}
return 0;
}
QDeclarativeItem *AbstractLiveEditTool::topMovableDeclarativeItem(const QList<QGraphicsItem*>
&itemList)
{
foreach (QGraphicsItem *item, itemList) {
QDeclarativeItem *declarativeItem = toQDeclarativeItem(item);
if (declarativeItem /*&& (declarativeItem->qmlItemNode().hasShowContent())*/)
return declarativeItem;
}
return 0;
}
QList<QGraphicsObject*> AbstractLiveEditTool::toGraphicsObjectList(const QList<QGraphicsItem*>
&itemList)
{
QList<QGraphicsObject*> gfxObjects;
foreach (QGraphicsItem *item, itemList) {
QGraphicsObject *obj = item->toGraphicsObject();
if (obj)
gfxObjects << obj;
}
return gfxObjects;
}
QString AbstractLiveEditTool::titleForItem(QGraphicsItem *item)
{
QString className("QGraphicsItem");
QString objectStringId;
QString constructedName;
QGraphicsObject *gfxObject = item->toGraphicsObject();
if (gfxObject) {
className = gfxObject->metaObject()->className();
className.replace(QRegExp("_QMLTYPE_\\d+"), "");
className.replace(QRegExp("_QML_\\d+"), "");
if (className.startsWith(QLatin1String("QDeclarative")))
className = className.replace(QLatin1String("QDeclarative"), "");
QDeclarativeItem *declarativeItem = qobject_cast<QDeclarativeItem*>(gfxObject);
if (declarativeItem) {
objectStringId = QDeclarativeViewObserver::idStringForObject(declarativeItem);
}
if (!objectStringId.isEmpty()) {
constructedName = objectStringId + " (" + className + ")";
} else {
if (!gfxObject->objectName().isEmpty()) {
constructedName = gfxObject->objectName() + " (" + className + ")";
} else {
constructedName = className;
}
}
}
return constructedName;
}
} // namespace QmlJSDebugger