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Christiaan Janssen authoredChristiaan Janssen authored
navigatorview.cpp 8.66 KiB
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 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 "navigatorview.h"
#include "navigatortreemodel.h"
#include "navigatorwidget.h"
#include <nodeproperty.h>
#include <QHeaderView>
namespace QmlDesigner {
NavigatorView::NavigatorView(QObject* parent) :
QmlModelView(parent),
m_blockSelectionChangedSignal(false),
m_widget(new NavigatorWidget),
m_treeModel(new NavigatorTreeModel(this))
{
m_widget->setTreeModel(m_treeModel.data());
connect(treeWidget()->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)), this, SLOT(changeSelection(QItemSelection,QItemSelection)));
treeWidget()->setIndentation(treeWidget()->indentation() * 0.5);
IdItemDelegate *idDelegate = new IdItemDelegate(this,m_treeModel.data());
IconCheckboxItemDelegate *showDelegate = new IconCheckboxItemDelegate(this,":/qmldesigner/images/eye_open.png",
":/qmldesigner/images/placeholder.png",m_treeModel.data());
#ifdef _LOCK_ITEMS_
IconCheckboxItemDelegate *lockDelegate = new IconCheckboxItemDelegate(this,":/qmldesigner/images/lock.png",
":/qmldesigner/images/hole.png",m_treeModel.data());
#endif
treeWidget()->setItemDelegateForColumn(0,idDelegate);
#ifdef _LOCK_ITEMS_
treeWidget()->setItemDelegateForColumn(1,lockDelegate);
treeWidget()->setItemDelegateForColumn(2,showDelegate);
#else
treeWidget()->setItemDelegateForColumn(1,showDelegate);
#endif
}
NavigatorView::~NavigatorView()
{
if (m_widget && !m_widget->parent())
delete m_widget.data();
}
QWidget *NavigatorView::widget()
{
return m_widget.data();
}
void NavigatorView::modelAttached(Model *model)
{
QmlModelView::modelAttached(model);
m_treeModel->setView(this);
treeWidget()->expandAll();
treeWidget()->header()->setResizeMode(0, QHeaderView::Stretch);
treeWidget()->header()->resizeSection(1,26);
treeWidget()->setRootIsDecorated(false);
treeWidget()->setIndentation(20);
#ifdef _LOCK_ITEMS_
treeWidget()->header()->resizeSection(2,20);
#endif
treeWidget()->setHeaderHidden(true);
}
void NavigatorView::modelAboutToBeDetached(Model *model)
{
m_treeModel->clearView();
QmlModelView::modelAboutToBeDetached(model);
}
void NavigatorView::nodeAboutToBeRemoved(const ModelNode &removedNode)
{
if (m_treeModel->isInTree(removedNode))
m_treeModel->removeSubTree(removedNode);
QmlModelView::nodeAboutToBeRemoved(removedNode);
}
void NavigatorView::nodeReparented(const ModelNode &node, const NodeAbstractProperty & /*newPropertyParent*/, const NodeAbstractProperty & /*oldPropertyParent*/, AbstractView::PropertyChangeFlags /*propertyChange*/)
{
bool blocked = blockSelectionChangedSignal(true);
if (m_treeModel->isInTree(node))
m_treeModel->removeSubTree(node);
if (node.isInHierarchy())
m_treeModel->addSubTree(node);
// make sure selection is in sync again
updateItemSelection();
blockSelectionChangedSignal(blocked);
}
void NavigatorView::nodeIdChanged(const ModelNode& node, const QString& newId, const QString& oldId)
{
QmlModelView::nodeIdChanged(node, newId, oldId);
if (m_treeModel->isInTree(node))
m_treeModel->updateItemRow(node);
}
void NavigatorView::propertiesAboutToBeRemoved(const QList<AbstractProperty>& propertyList)
{
QmlModelView::propertiesAboutToBeRemoved(propertyList);
foreach (const AbstractProperty &property, propertyList) {
if (property.isNodeProperty()) {
NodeProperty nodeProperty(property.toNodeProperty());
m_treeModel->removeSubTree(nodeProperty.modelNode());
} else if (property.isNodeListProperty()) {
NodeListProperty nodeListProperty(property.toNodeListProperty());
foreach (const ModelNode &node, nodeListProperty.toModelNodeList()) {
m_treeModel->removeSubTree(node);
}
}
}
}
void NavigatorView::rootNodeTypeChanged(const QString &type, int majorVersion, int minorVersion)
{
QmlModelView::rootNodeTypeChanged(type, majorVersion, minorVersion);
if (m_treeModel->isInTree(rootModelNode()))
m_treeModel->updateItemRow(rootModelNode());
}
void NavigatorView::auxiliaryDataChanged(const ModelNode &node, const QString &name, const QVariant &data)
{
QmlModelView::auxiliaryDataChanged(node, name, data);
if (m_treeModel->isInTree(node))
{
// update model
m_treeModel->updateItemRow(node);
// repaint row (id and icon)
QModelIndex index = m_treeModel->indexForNode(node);
treeWidget()->update( index );
treeWidget()->update( index.sibling(index.row(),index.column()+1) );
}
}
void NavigatorView::nodeOrderChanged(const NodeListProperty &listProperty, const ModelNode &node, int oldIndex)
{
QmlModelView::nodeOrderChanged(listProperty, node, oldIndex);
if (m_treeModel->isInTree(node))
m_treeModel->updateItemRowOrder(node);
}
void NavigatorView::stateChanged(const QmlModelState &/*newQmlModelState*/, const QmlModelState &/*oldQmlModelState*/)
{
}
void NavigatorView::changeSelection(const QItemSelection & /*newSelection*/, const QItemSelection &/*deselected*/)
{
if (m_blockSelectionChangedSignal)
return;
QSet<ModelNode> nodeSet;
foreach (const QModelIndex &index, treeWidget()->selectionModel()->selectedIndexes()) {
nodeSet.insert(m_treeModel->nodeForIndex(index));
}
bool blocked = blockSelectionChangedSignal(true);
setSelectedModelNodes(nodeSet.toList());
blockSelectionChangedSignal(blocked);
}
void NavigatorView::selectedNodesChanged(const QList<ModelNode> &selectedNodeList, const QList<ModelNode> &lastSelectedNodeList)
{
QmlModelView::selectedNodesChanged(selectedNodeList, lastSelectedNodeList);
updateItemSelection();
}
void NavigatorView::updateItemSelection()
{
QItemSelection itemSelection;
foreach (const ModelNode &node, selectedModelNodes()) {
const QModelIndex index = m_treeModel->indexForNode(node);
if (index.isValid()) {
const QModelIndex beginIndex(m_treeModel->index(index.row(), 0, index.parent()));
const QModelIndex endIndex(m_treeModel->index(index.row(), m_treeModel->columnCount(index.parent()) - 1, index.parent()));
if (beginIndex.isValid() && endIndex.isValid())
itemSelection.select(beginIndex, endIndex);
}
}
bool blocked = blockSelectionChangedSignal(true);
treeWidget()->selectionModel()->select(itemSelection, QItemSelectionModel::ClearAndSelect);
blockSelectionChangedSignal(blocked);
// make sure selected nodes a visible
foreach(const QModelIndex &selectedIndex, itemSelection.indexes()) {
if (selectedIndex.column() == 0)
expandRecursively(selectedIndex);
}
}
QTreeView *NavigatorView::treeWidget()
{
if (m_widget)
return m_widget->treeView();
return 0;
}
NavigatorTreeModel *NavigatorView::treeModel()
{
return m_treeModel.data();
}
// along the lines of QObject::blockSignals
bool NavigatorView::blockSelectionChangedSignal(bool block)
{
bool oldValue = m_blockSelectionChangedSignal;
m_blockSelectionChangedSignal = block;
return oldValue;
}
void NavigatorView::expandRecursively(const QModelIndex &index)
{
QModelIndex currentIndex = index;
while (currentIndex.isValid()) {
if (!treeWidget()->isExpanded(currentIndex))
treeWidget()->expand(currentIndex);
currentIndex = currentIndex.parent();
}
}
} // namespace QmlDesigner