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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#ifndef CONTEXTPANEWIDGET_H
#define CONTEXTPANEWIDGET_H

#include "qmleditorwidgets_global.h"
#include <QFrame>
#include <QPointer>

QT_BEGIN_NAMESPACE
class QToolButton;
class QVariant;
class QGraphicsDropShadowEffect;
class QGraphicsOpacityEffect;
QT_END_NAMESPACE

namespace QmlJS {
    class PropertyReader;
}

namespace QmlEditorWidgets {

class CustomColorDialog;
class ContextPaneTextWidget;
class EasingContextPane;
class ContextPaneWidgetRectangle;
class ContextPaneWidgetImage;

class QMLEDITORWIDGETS_EXPORT DragWidget : public QFrame
{
    Q_OBJECT

public:
    explicit DragWidget(QWidget *parent = 0);
    void setSecondaryTarget(QWidget* w)
    { m_secondaryTarget = w; }

protected:
    QPoint m_pos;
    void mousePressEvent(QMouseEvent * event);
    void mouseReleaseEvent(QMouseEvent * event);
    void mouseMoveEvent(QMouseEvent * event);
    void virtual protectedMoved();
    void leaveEvent(QEvent *);
    void enterEvent(QEvent *);

private:
    QGraphicsDropShadowEffect *m_dropShadowEffect;
    QGraphicsOpacityEffect *m_opacityEffect;
    QPoint m_startPos;
    QPointer<QWidget> m_secondaryTarget;
};

class QMLEDITORWIDGETS_EXPORT ContextPaneWidget : public DragWidget
{
    Q_OBJECT

public:
    explicit ContextPaneWidget(QWidget *parent = 0);
    ~ContextPaneWidget();
    void activate(const QPoint &pos, const QPoint &alternative, const QPoint &alternative2, bool pinned);
    void rePosition(const QPoint &pos, const QPoint &alternative , const QPoint &alternative3, bool pinned);
    void deactivate();
    void setOptions(bool enabled, bool pinned);
    CustomColorDialog *colorDialog();
    void setProperties(QmlJS::PropertyReader *propertyReader);
    void setPath(const QString &path);
    bool setType(const QStringList &types);
    bool acceptsType(const QStringList &types);
    QWidget* currentWidget() const { return m_currentWidget; }
    void setIsPropertyChanges(bool b)
    { m_isPropertyChanges = b; }
    bool isPropertyChanges() const
    { return m_isPropertyChanges; }

public slots:
    void onTogglePane();
    void onShowColorDialog(bool, const QPoint &);

signals:
    void propertyChanged(const QString &, const QVariant &);
    void removeProperty(const QString &);
    void removeAndChangeProperty(const QString &, const QString &, const QVariant &, bool);
    void pinnedChanged(bool);
    void enabledChanged(bool);
    void closed();

private slots:
    void onDisable(bool);
    void onResetPosition(bool toggle);

protected:

    void protectedMoved();

    QToolButton *m_toolButton;
    QWidget *createFontWidget();
    QWidget *createEasingWidget();
    QWidget *createImageWidget();
    QWidget *createBorderImageWidget();
    QWidget *createRectangleWidget();

    void setPinButton();
    void setLineButton();

private:
    QWidget *m_currentWidget;
    ContextPaneTextWidget *m_textWidget;
    EasingContextPane *m_easingWidget;
    ContextPaneWidgetImage *m_imageWidget;
    ContextPaneWidgetImage *m_borderImageWidget;
    ContextPaneWidgetRectangle *m_rectangleWidget;
    QPointer<CustomColorDialog> m_bauhausColorDialog;
    QPointer<QAction> m_resetAction;
    QPointer<QAction> m_disableAction;
    QString m_colorName;
    QPoint m_originalPos;
    bool m_pinned;
    bool m_isPropertyChanges;
};

} //QmlDesigner

#endif // CONTEXTPANEWIDGET_H