abstractview.h 7.73 KB
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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 ABSTRACTVIEW_H
#define ABSTRACTVIEW_H

#include <corelib_global.h>

#include <model.h>
#include <modelnode.h>
#include <abstractproperty.h>
#include <rewritertransaction.h>

#include <QObject>

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QT_BEGIN_NAMESPACE
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class QStyle;
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QT_END_NAMESPACE
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namespace QmlDesigner {
    namespace Internal {
        class InternalNode;
        typedef QSharedPointer<InternalNode> InternalNodePointer;
        typedef QWeakPointer<InternalNode> InternalNodeWeakPointer;
    }
}

namespace QmlDesigner {

class QmlModelView;
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class NodeInstanceView;
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class RewriterView;
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class CORESHARED_EXPORT AbstractView : public QObject
{
    Q_OBJECT
public:
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    Q_FLAGS(PropertyChangeFlag PropertyChangeFlags)
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    typedef QWeakPointer<AbstractView> Pointer;

    enum PropertyChangeFlag {
      NoAdditionalChanges = 0x0,
      PropertiesAdded = 0x1,
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      EmptyPropertiesRemoved = 0x2
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    };
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    Q_DECLARE_FLAGS(PropertyChangeFlags, PropertyChangeFlag)
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    AbstractView(QObject *parent = 0)
            : QObject(parent) {}

    virtual ~AbstractView();

    Model* model() const;

    RewriterTransaction beginRewriterTransaction();

    ModelNode createModelNode(const QString &typeString,
                         int majorVersion,
                         int minorVersion,
                         const PropertyListType &propertyList = PropertyListType());

    const ModelNode rootModelNode() const;
    ModelNode rootModelNode();

    void setSelectedModelNodes(const QList<ModelNode> &selectedNodeList);
    void selectModelNode(const ModelNode &node);
    void deselectModelNode(const ModelNode &node);
    void clearSelectedModelNodes();

    QList<ModelNode> selectedModelNodes() const;

    ModelNode modelNodeForId(const QString &id);
    bool hasId(const QString &id) const;

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    ModelNode modelNodeForInternalId(qint32 internalId);
    bool hasModelNodeForInternalId(qint32 internalId) const;

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    QList<ModelNode> allModelNodes();

    void emitCustomNotification(const QString &identifier);
    void emitCustomNotification(const QString &identifier, const QList<ModelNode> &nodeList);
    void emitCustomNotification(const QString &identifier, const QList<ModelNode> &nodeList, const QList<QVariant> &data);

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    void emitInstancePropertyChange(const QList<QPair<ModelNode, QString> > &propertyList);
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    void emitInstancesCompleted(const QVector<ModelNode> &nodeList);
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    void emitInstanceInformationsChange(const QVector<ModelNode> &nodeList);
    void emitInstancesRenderImageChanged(const QVector<ModelNode> &nodeList);
    void emitInstancesPreviewImageChanged(const QVector<ModelNode> &nodeList);
    void emitInstancesChildrenChanged(const QVector<ModelNode> &nodeList);
    void emitRewriterBeginTransaction();
    void emitRewriterEndTransaction();
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    void emitActualStateChanged(const ModelNode &node);
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    virtual void modelAttached(Model *model);
    virtual void modelAboutToBeDetached(Model *model);

    virtual void nodeCreated(const ModelNode &createdNode) = 0;
    virtual void nodeAboutToBeRemoved(const ModelNode &removedNode) = 0;
    virtual void nodeRemoved(const ModelNode &removedNode, const NodeAbstractProperty &parentProperty, PropertyChangeFlags propertyChange) = 0;
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    virtual void nodeAboutToBeReparented(const ModelNode &node, const NodeAbstractProperty &newPropertyParent, const NodeAbstractProperty &oldPropertyParent, AbstractView::PropertyChangeFlags propertyChange) = 0;
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    virtual void nodeReparented(const ModelNode &node, const NodeAbstractProperty &newPropertyParent, const NodeAbstractProperty &oldPropertyParent, AbstractView::PropertyChangeFlags propertyChange) = 0;
    virtual void nodeIdChanged(const ModelNode& node, const QString& newId, const QString& oldId) = 0;
    virtual void propertiesAboutToBeRemoved(const QList<AbstractProperty>& propertyList) = 0;
    virtual void propertiesRemoved(const QList<AbstractProperty>& propertyList) = 0;
    virtual void variantPropertiesChanged(const QList<VariantProperty>& propertyList, PropertyChangeFlags propertyChange) = 0;
    virtual void bindingPropertiesChanged(const QList<BindingProperty>& propertyList, PropertyChangeFlags propertyChange) = 0;
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    virtual void rootNodeTypeChanged(const QString &type, int majorVersion, int minorVersion) = 0;
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    virtual void instancePropertyChange(const QList<QPair<ModelNode, QString> > &propertyList) = 0;
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    virtual void instancesCompleted(const QVector<ModelNode> &completedNodeList) = 0;
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    virtual void instanceInformationsChange(const QVector<ModelNode> &nodeList) = 0;
    virtual void instancesRenderImageChanged(const QVector<ModelNode> &nodeList) = 0;
    virtual void instancesPreviewImageChanged(const QVector<ModelNode> &nodeList) = 0;
    virtual void instancesChildrenChanged(const QVector<ModelNode> &nodeList) = 0;
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    virtual void rewriterBeginTransaction() = 0;
    virtual void rewriterEndTransaction() = 0;
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    virtual void actualStateChanged(const ModelNode &node) = 0; // base state is a invalid model node

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    virtual void selectedNodesChanged(const QList<ModelNode> &selectedNodeList,
                                      const QList<ModelNode> &lastSelectedNodeList) = 0;

    virtual void fileUrlChanged(const QUrl &oldUrl, const QUrl &newUrl);

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    virtual void nodeOrderChanged(const NodeListProperty &listProperty, const ModelNode &movedNode, int oldIndex) = 0;
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    virtual void importsChanged(const QList<Import> &addedImports, const QList<Import> &removedImports) = 0;
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    virtual void auxiliaryDataChanged(const ModelNode &node, const QString &name, const QVariant &data);

    virtual void customNotification(const AbstractView *view, const QString &identifier, const QList<ModelNode> &nodeList, const QList<QVariant> &data);

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    virtual void scriptFunctionsChanged(const ModelNode &node, const QStringList &scriptFunctionList) = 0;

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    QmlModelView *toQmlModelView();

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    void changeRootNodeType(const QString &type, int majorVersion, int minorVersion);

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    NodeInstanceView *nodeInstanceView() const;
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    RewriterView *rewriterView() const;
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protected:
    void setModel(Model * model);
    void removeModel();

private: //functions
    QList<ModelNode> toModelNodeList(const QList<Internal::InternalNodePointer> &nodeList) const;


private:
    QWeakPointer<Model> m_model;
};

CORESHARED_EXPORT QList<Internal::InternalNodePointer> toInternalNodeList(const QList<ModelNode> &nodeList);
CORESHARED_EXPORT QList<ModelNode> toModelNodeList(const QList<Internal::InternalNodePointer> &nodeList, AbstractView *view);

}

#endif // ABSTRACTVIEW_H