/****************************************************************************
**
** Copyright (C) 2012 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
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** 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.
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** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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****************************************************************************/

#ifndef QMLJSOUTLINE_H
#define QMLJSOUTLINE_H

#include "qmljseditor.h"

#include <texteditor/ioutlinewidget.h>

#include <QSortFilterProxyModel>

namespace Core {
class IEditor;
}

namespace QmlJS {
class Editor;
}

namespace QmlJSEditor {
namespace Internal {

class QmlJSOutlineTreeView;

class QmlJSOutlineFilterModel : public QSortFilterProxyModel
{
    Q_OBJECT
public:
    QmlJSOutlineFilterModel(QObject *parent);
    // QSortFilterProxyModel
    bool filterAcceptsRow(int sourceRow,
                          const QModelIndex &sourceParent) const;
    QVariant data(const QModelIndex &index, int role) const;

    bool filterBindings() const;
    void setFilterBindings(bool filterBindings);
private:
    bool m_filterBindings;
};

class QmlJSOutlineWidget : public TextEditor::IOutlineWidget
{
    Q_OBJECT
public:
    QmlJSOutlineWidget(QWidget *parent = 0);

    void setEditor(QmlJSTextEditorWidget *editor);

    // IOutlineWidget
    virtual QList<QAction*> filterMenuActions() const;
    virtual void setCursorSynchronization(bool syncWithCursor);
    virtual void restoreSettings(int position);
    virtual void saveSettings(int position);

private slots:
    void modelUpdated();
    void updateSelectionInTree(const QModelIndex &index);
    void updateSelectionInText(const QItemSelection &selection);
    void updateTextCursor(const QModelIndex &index);
    void setShowBindings(bool showBindings);

private:
    bool syncCursor();

private:
    QmlJSOutlineTreeView *m_treeView;
    QmlJSOutlineFilterModel *m_filterModel;
    QmlJSTextEditorWidget *m_editor;

    QAction *m_showBindingsAction;

    bool m_enableCursorSync;
    bool m_blockCursorSync;
};

class QmlJSOutlineWidgetFactory : public TextEditor::IOutlineWidgetFactory
{
    Q_OBJECT
public:
    bool supportsEditor(Core::IEditor *editor) const;
    TextEditor::IOutlineWidget *createWidget(Core::IEditor *editor);
};

} // namespace Internal
} // namespace QmlJSEditor

#endif // QMLJSOUTLINE_H