qgssymbollevelsdialog.h

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/***************************************************************************
    qgssymbollevelsdialog.h
    ---------------------
    begin                : November 2009
    copyright            : (C) 2009 by Martin Dobias
    email                : wonder dot sk at gmail dot 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 QGSSYMBOLLEVELSDIALOG_H
#define QGSSYMBOLLEVELSDIALOG_H
 
#include "ui_qgssymbollevelsdialogbase.h"
 
#include "qgis_gui.h"
#include "qgis_sip.h"
#include "qgshelp.h"
#include "qgspanelwidget.h"
#include "qgsrenderer.h"
 
#include <QDialog>
#include <QItemDelegate>
#include <QList>

class GUI_EXPORT QgsSymbolLevelsWidget : public QgsPanelWidget, private Ui::QgsSymbolLevelsDialogBase
{
    Q_OBJECT
  public:
    QgsSymbolLevelsWidget( QgsFeatureRenderer *renderer, bool usingSymbolLevels, QWidget *parent SIP_TRANSFERTHIS = nullptr );

    QgsSymbolLevelsWidget( const QgsLegendSymbolList &symbols, bool usingSymbolLevels, QWidget *parent SIP_TRANSFERTHIS = nullptr );

    bool usingLevels() const;

    QgsLegendSymbolList symbolLevels() const;

    void setForceOrderingEnabled( bool enabled );
 
  public slots:

    Q_DECL_DEPRECATED void apply() SIP_DEPRECATED;
 
  private slots:
    void updateUi();
 
    void renderingPassChanged( int row, int column );
 
  private:
    void populateTable();
    void setDefaultLevels();

    int mMaxLayers = 0;
 
    QgsFeatureRenderer *mRenderer = nullptr;
    QgsLegendSymbolList mLegendSymbols;

    bool mForceOrderingEnabled = false;
};
 

class GUI_EXPORT QgsSymbolLevelsDialog : public QDialog
{
    Q_OBJECT
  public:
    QgsSymbolLevelsDialog( QgsFeatureRenderer *renderer, bool usingSymbolLevels, QWidget *parent SIP_TRANSFERTHIS = nullptr );
 
    // used by rule-based renderer (to hide checkbox to enable/disable ordering)
    void setForceOrderingEnabled( bool enabled );

    bool usingLevels() const;

    QgsLegendSymbolList symbolLevels() const;
 
  private:
    QgsSymbolLevelsWidget *mWidget = nullptr;
 
  private slots:
 
    void showHelp();
};
 
#ifndef SIP_RUN
 
// delegate used from Qt Spin Box example
class SpinBoxDelegate : public QItemDelegate
{
    Q_OBJECT
 
  public:
    explicit SpinBoxDelegate( QObject *parent = nullptr )
      : QItemDelegate( parent )
    {}
 
    QWidget *createEditor( QWidget *parent, const QStyleOptionViewItem & /*option*/, const QModelIndex & /*index*/ ) const override;
 
    void setEditorData( QWidget *editor, const QModelIndex &index ) const override;
 
    void setModelData( QWidget *editor, QAbstractItemModel *model, const QModelIndex &index ) const override;
 
    void updateEditorGeometry( QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex & /*index*/ ) const override;
};

#endif
 
#endif // QGSSYMBOLLEVELSDIALOG_H