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 "qgssymbolwidgetcontext.h"
#include "qgssymbollayer.h"

class QgsSymbol;
class QgsSymbolLayer;
class QgsSymbolLayerWidget;
class QgsVectorLayer;
class QgsMapCanvas;
class QgsPanelWidget;

class SymbolLayerItem;

#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 changed();
    void changeLayer( QgsSymbolLayer * );

  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