TourWidget.h

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//
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2013 Mihail Ivchenko <ematirov@gmail.com>
// Copyright 2014 Sanjiban Bairagya <sanjiban22393@gmail.com>
//

#ifndef MARBLE_TOURWIDGET_H
#define MARBLE_TOURWIDGET_H

#include "marble_export.h"

#include <QWidget>
#include <QStyledItemDelegate>
#include <QListView>
#include <GeoDataCoordinates.h>

class QItemSelection;
class QModelIndex;
class QDoubleSpinBox;
class QRadioButton;
class QLineEdit;
class QToolButton;

namespace Marble
{

class FileManager;
class GeoDataPlacemark;
class GeoDataLatLonBox;
class GeoDataTreeModel;
class GeoDataFeature;
class GeoDataFlyTo;
class GeoDataTourControl;
class GeoDataWait;
class GeoDataSoundCue;
class MarbleWidget;

class TourWidgetPrivate;

class FlyToEditWidget: public QWidget
{
    Q_OBJECT

public:
    FlyToEditWidget( const QModelIndex& index, MarbleWidget* widget, QWidget* parent=0 );
    bool editable() const;

Q_SIGNALS:
    void editingDone( const QModelIndex& index );

private Q_SLOTS:
    void save();

public Q_SLOTS:
    void setEditable( bool editable );

private:
    GeoDataFlyTo* flyToElement();
    MarbleWidget* m_widget;
    QModelIndex m_index;
    QToolButton *m_button;
};

class TourControlEditWidget: public QWidget
{
    Q_OBJECT

public:
    TourControlEditWidget( const QModelIndex& index, QWidget* parent=0 );
    bool editable() const;

Q_SIGNALS:
    void editingDone( const QModelIndex& index );

private Q_SLOTS:
    void save();

public Q_SLOTS:
    void setEditable( bool editable );

private:
    GeoDataTourControl* tourControlElement();
    QModelIndex m_index;
    QToolButton *m_button;
    QRadioButton *m_radio_play;
    QRadioButton *m_radio_pause;
};

class WaitEditWidget: public QWidget
{
    Q_OBJECT

public:
    WaitEditWidget( const QModelIndex& index, QWidget* parent=0 );
    bool editable() const;

Q_SIGNALS:
    void editingDone( const QModelIndex& index );

private Q_SLOTS:
    void save();

public Q_SLOTS:
    void setEditable( bool editable );

private:
    GeoDataWait* waitElement();
    QModelIndex m_index;
    QToolButton *m_button;
    QDoubleSpinBox *m_spinBox;
};

class SoundCueEditWidget: public QWidget
{
    Q_OBJECT

public:
    SoundCueEditWidget( const QModelIndex& index, QWidget* parent=0 );
    bool editable() const;

Q_SIGNALS:
    void editingDone( const QModelIndex& index );

private Q_SLOTS:
    void save();

public Q_SLOTS:
    void setEditable( bool editable );

private:
    GeoDataSoundCue* soundCueElement();
    QModelIndex m_index;
    QToolButton *m_button;
    QLineEdit* m_lineEdit;
};

class MARBLE_EXPORT TourWidget : public QWidget
{
    Q_OBJECT

 public:
    explicit TourWidget( QWidget *parent = 0, Qt::WindowFlags f = 0 );
    ~TourWidget();

    void setMarbleWidget( MarbleWidget *widget );
    bool openTour( const QString &filename );

public Q_SLOTS:
    void startPlaying();
    void pausePlaying();
    void togglePlaying();
    void stopPlaying();
    void handleSliderMove( int );

Q_SIGNALS:
    void featureUpdated( GeoDataFeature *feature );

private Q_SLOTS:
    void moveUp();
    void moveDown();
    void addFlyTo();
    void deleteSelected();
    void updateDuration();
    void centerOn( const GeoDataCoordinates &coordinates );

 private:
    Q_PRIVATE_SLOT( d, void openFile() )
    Q_PRIVATE_SLOT( d, void createTour() )
    Q_PRIVATE_SLOT( d, void saveTour() )
    Q_PRIVATE_SLOT( d, void saveTourAs() )
    Q_PRIVATE_SLOT( d, void updateButtonsStates() )
    Q_PRIVATE_SLOT( d, void mapCenterOn( const QModelIndex &index ) )
    Q_PRIVATE_SLOT( d, void handlePlaybackProgress( const double position ) )
    Q_DISABLE_COPY( TourWidget )

    TourWidgetPrivate * const d;
};


class TourItemDelegate : public QStyledItemDelegate
{
Q_OBJECT

public:
    TourItemDelegate( QListView* view, MarbleWidget* widget );
    void paint( QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index ) const;
    QSize sizeHint( const QStyleOptionViewItem &option, const QModelIndex &index ) const;
    QWidget* createEditor ( QWidget * parent, const QStyleOptionViewItem & option, const QModelIndex & index ) const;
    bool editable() const;
    void setEditable( bool editable );

Q_SIGNALS:
    void editingChanged( QModelIndex index );
    void edited( QModelIndex index );
    void editableChanged( bool editable );

public:

    enum Element {
        GeoDataElementIcon,
        Label,
        EditButton,
        ActionButton
    };

protected:
    bool editorEvent( QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index );

private Q_SLOTS:
    void closeEditor(const QModelIndex& index);

private:
    static QRect position( Element element, const QStyleOptionViewItem &option );
    QList<QPersistentModelIndex> m_editingIndices;
    QListView* m_listView;
    MarbleWidget *m_widget;
    bool m_editable;
};

}

#endif