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/**************************************************************************
**
** This file is part of Qt Creator
**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
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** No Commercial Usage
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**
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** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
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**
** 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.
**
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** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
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**
**************************************************************************/

#ifndef NAVIGATORVIEW_H
#define NAVIGATORVIEW_H

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#include <abstractview.h>
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#include <QWeakPointer>

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QT_BEGIN_NAMESPACE
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class QTreeView;
class QStandardItem;
class QItemSelection;
class QModelIndex;
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QT_END_NAMESPACE
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namespace QmlDesigner {

class NavigatorWidget;
class NavigatorTreeModel;
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class IconCheckboxItemDelegate;
class IdItemDelegate;
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class NavigatorView : public AbstractView
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{
    Q_OBJECT

public:
    NavigatorView(QObject* parent = 0);
    ~NavigatorView();

    QWidget *widget();

    // AbstractView
    void modelAttached(Model *model);
    void modelAboutToBeDetached(Model *model);

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    void importsChanged(const QList<Import> &addedImports, const QList<Import> &removedImports);
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    void nodeCreated(const ModelNode &createdNode);
    void nodeRemoved(const ModelNode &removedNode, const NodeAbstractProperty &parentProperty, PropertyChangeFlags propertyChange);
    void propertiesRemoved(const QList<AbstractProperty> &propertyList);
    void variantPropertiesChanged(const QList<VariantProperty> &propertyList, PropertyChangeFlags propertyChange);
    void bindingPropertiesChanged(const QList<BindingProperty> &propertyList, PropertyChangeFlags propertyChange);

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    void nodeAboutToBeRemoved(const ModelNode &removedNode);
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    void nodeOrderChanged(const NodeListProperty &listProperty, const ModelNode &movedNode, int oldIndex);
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    void nodeAboutToBeReparented(const ModelNode &node, const NodeAbstractProperty &newPropertyParent, const NodeAbstractProperty &oldPropertyParent, AbstractView::PropertyChangeFlags propertyChange);
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    void nodeReparented(const ModelNode &node, const NodeAbstractProperty &newPropertyParent, const NodeAbstractProperty &oldPropertyParent, AbstractView::PropertyChangeFlags propertyChange);
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    void rootNodeTypeChanged(const QString &type, int majorVersion, int minorVersion);
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    void nodeIdChanged(const ModelNode& node, const QString& newId, const QString& oldId);
    void propertiesAboutToBeRemoved(const QList<AbstractProperty>& propertyList);

    void selectedNodesChanged(const QList<ModelNode> &selectedNodeList,
                                      const QList<ModelNode> &lastSelectedNodeList);
    void auxiliaryDataChanged(const ModelNode &node, const QString &name, const QVariant &data);
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    void scriptFunctionsChanged(const ModelNode &node, const QStringList &scriptFunctionList);
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    void instancePropertyChange(const QList<QPair<ModelNode, QString> > &propertyList);
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    void instancesCompleted(const QVector<ModelNode> &completedNodeList);
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    void instanceInformationsChange(const QVector<ModelNode> &nodeList);
    void instancesRenderImageChanged(const QVector<ModelNode> &nodeList);
    void instancesPreviewImageChanged(const QVector<ModelNode> &nodeList);
    void instancesChildrenChanged(const QVector<ModelNode> &nodeList);

    void rewriterBeginTransaction();
    void rewriterEndTransaction();
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    void actualStateChanged(const ModelNode &node);

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private slots:
//    void handleChangedItem(QStandardItem * item);
    void changeSelection(const QItemSelection &selected, const QItemSelection &deselected);
    void updateItemSelection();
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    void changeToComponent(const QModelIndex &index);
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protected: //functions
    QTreeView *treeWidget();
    NavigatorTreeModel *treeModel();
    bool blockSelectionChangedSignal(bool block);
    void expandRecursively(const QModelIndex &index);

private:
    bool m_blockSelectionChangedSignal;

    QWeakPointer<NavigatorWidget> m_widget;
    QWeakPointer<NavigatorTreeModel> m_treeModel;

    friend class TestNavigator;
};

}
#endif // NAVIGATORVIEW_H