qgslayerpropertieswidget.h

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/***************************************************************************
    qgslayerpropertieswidget.h
    ---------------------
    begin                : June 2012
    copyright            : (C) 2012 by Martin Dobias
    email                : aruntheguy at gmail.com
 ***************************************************************************
 *                                                                         *
 *   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 QGSLAYERPROPERTIESWIDGET_H
#define QGSLAYERPROPERTIESWIDGET_H
 
#include "ui_widget_layerproperties.h"
 
#include "qgsexpressioncontext.h"
#include "qgssymbollayer.h"
#include "qgssymbolwidgetcontext.h"
 
class QgsSymbol;
class QgsSymbolLayer;
class QgsSymbolLayerWidget;
class QgsVectorLayer;
class QgsMapCanvas;
class QgsPanelWidget;
 
#include <QMap>
#include <QStandardItemModel>
#include "qgis_gui.h"

class GUI_EXPORT QgsLayerPropertiesWidget : public QgsPanelWidget, public QgsExpressionContextGenerator, private Ui::LayerPropertiesWidget
{
    Q_OBJECT
 
  public:
    QgsLayerPropertiesWidget( QgsSymbolLayer *layer, const QgsSymbol *symbol, QgsVectorLayer *vl, QWidget *parent SIP_TRANSFERTHIS = nullptr );

    void setContext( const QgsSymbolWidgetContext &context );

    QgsSymbolWidgetContext context() const;

    void setDockMode( bool dockMode ) override;
 
  public slots:
    void layerTypeChanged();
    void emitSignalChanged();
 
  signals:

    void changeLayer( QgsSymbolLayer *layer );
 
  protected:
    void populateLayerTypes();
    void updateSymbolLayerWidget( QgsSymbolLayer *layer );
 
    QgsExpressionContext createExpressionContext() const override;

    void registerDataDefinedButton( QgsPropertyOverrideButton *button, QgsSymbolLayer::Property key );
 
  protected: // data
    QgsSymbolLayer *mLayer = nullptr;
 
    const QgsSymbol *mSymbol = nullptr;
    QgsVectorLayer *mVectorLayer = nullptr;
 
  private slots:
    void reloadLayer();
    void mEnabledCheckBox_toggled( bool enabled );
    void updateProperty();
 
  private:
    QgsSymbolWidgetContext mContext;
};
 
#endif //QGSLAYERPROPERTIESWIDGET_H