qgsactionmenu.h

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/***************************************************************************
    qgsactionmenu.h
     --------------------------------------
    Date                 : 11.8.2014
    Copyright            : (C) 2014 Matthias Kuhn
    Email                : matthias at opengis dot ch
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef QGSACTIONMENU_H
#define QGSACTIONMENU_H

#include <QMenu>
#include "qgis.h"
#include <QSignalMapper>

#include "qgsfeature.h"
#include "qgsaction.h"
#include "qgis_gui.h"
#include "qgsattributeform.h"

class QgsMapLayer;
class QgsMapLayerAction;
class QgsVectorLayer;
class QgsActionManager;

class GUI_EXPORT QgsActionMenu : public QMenu
{
    Q_OBJECT

  public:
    enum ActionType
    {
      Invalid,        
      MapLayerAction, 
      AttributeAction 
    };

    struct GUI_EXPORT ActionData
    {

      ActionData() = default;
      ActionData( const QgsAction &action, QgsFeatureId featureId, QgsMapLayer *mapLayer );
      ActionData( QgsMapLayerAction *action, QgsFeatureId featureId, QgsMapLayer *mapLayer );

      QgsActionMenu::ActionType actionType = Invalid;
      QVariant actionData;
      QgsFeatureId featureId = 0;
      QgsMapLayer *mapLayer = nullptr;
    };

    explicit QgsActionMenu( QgsVectorLayer *layer, const QgsFeature &feature, const QString &actionScope, QWidget *parent SIP_TRANSFERTHIS = nullptr );

    explicit QgsActionMenu( QgsVectorLayer *layer, QgsFeatureId fid, const QString &actionScope, QWidget *parent SIP_TRANSFERTHIS = nullptr );

    void setFeature( const QgsFeature &feature );

    void setMode( QgsAttributeForm::Mode mode );

    void setExpressionContextScope( const QgsExpressionContextScope &scope );

    QgsExpressionContextScope expressionContextScope() const;

  signals:
    void reinit();

  private slots:
    void triggerAction();
    void reloadActions();
    void layerWillBeDeleted();

  private:
    void init();
    QgsFeature feature();

    QgsVectorLayer *mLayer = nullptr;
    QList<QgsAction> mActions;
    QgsFeature mFeature;
    QgsFeatureId mFeatureId;
    QString mActionScope;
    QgsExpressionContextScope mExpressionContextScope;
    QgsAttributeForm::Mode mMode;
};


Q_DECLARE_METATYPE( QgsActionMenu::ActionData )

#endif // QGSACTIONMENU_H