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qgsrulebasedrendererwidget.h
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qgsrulebasedrendererwidget.h
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/***************************************************************************
qgsrulebasedrendererwidget.h - Settings widget for rule-based renderer
---------------------
begin : May 2010
copyright : (C) 2010 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 QGSRULEBASEDRENDERERV2WIDGET_H
#define QGSRULEBASEDRENDERERV2WIDGET_H
#include "qgsrendererwidget.h"
#include "qgsrulebasedrenderer.h"
class QMenu;
class QgsSymbolSelectorWidget;
///////
#include <QAbstractItemModel>
/* Features count fro rule */
struct QgsRuleBasedRendererCount
{
int count; // number of features
int duplicateCount; // number of features present also in other rule(s)
// map of feature counts in other rules
QMap<QgsRuleBasedRenderer::Rule*, int> duplicateCountMap;
};
/** \ingroup gui
Tree model for the rules:
(invalid) == root node
+--- top level rule
+--- top level rule
*/
class GUI_EXPORT QgsRuleBasedRendererModel : public QAbstractItemModel
{
Q_OBJECT
public:
QgsRuleBasedRendererModel( QgsRuleBasedRenderer* r );
virtual Qt::ItemFlags flags( const QModelIndex &index ) const override;
virtual QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const override;
virtual QVariant headerData( int section, Qt::Orientation orientation,
int role = Qt::DisplayRole ) const override;
virtual int rowCount( const QModelIndex &parent = QModelIndex() ) const override;
virtual int columnCount( const QModelIndex & = QModelIndex() ) const override;
virtual QModelIndex index( int row, int column, const QModelIndex &parent = QModelIndex() ) const override;
virtual QModelIndex parent( const QModelIndex &index ) const override;
// editing support
virtual bool setData( const QModelIndex & index, const QVariant & value, int role = Qt::EditRole ) override;
// drag'n'drop support
Qt::DropActions supportedDropActions() const override;
QStringList mimeTypes() const override;
QMimeData *mimeData( const QModelIndexList &indexes ) const override;
bool dropMimeData( const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent ) override;
bool removeRows( int row, int count, const QModelIndex & parent = QModelIndex() ) override;
// new methods
QgsRuleBasedRenderer::Rule* ruleForIndex( const QModelIndex& index ) const;
void insertRule( const QModelIndex& parent, int before, QgsRuleBasedRenderer::Rule* newrule );
void updateRule( const QModelIndex& parent, int row );
// update rule and all its descendants
void updateRule( const QModelIndex& index );
void removeRule( const QModelIndex& index );
void willAddRules( const QModelIndex& parent, int count ); // call beginInsertRows
void finishedAddingRules(); // call endInsertRows
//! @note not available in python bindungs
void setFeatureCounts( const QHash<QgsRuleBasedRenderer::Rule *, QgsRuleBasedRendererCount> &theCountMap );
void clearFeatureCounts();
protected:
QgsRuleBasedRenderer* mR;
QHash<QgsRuleBasedRenderer::Rule*, QgsRuleBasedRendererCount> mFeatureCountMap;
};
///////
#include "ui_qgsrulebasedrendererv2widget.h"
/** \ingroup gui
* \class QgsRuleBasedRendererWidget
*/
class GUI_EXPORT QgsRuleBasedRendererWidget : public QgsRendererWidget, private Ui::QgsRuleBasedRendererWidget
{
Q_OBJECT
public:
static QgsRendererWidget* create( QgsVectorLayer* layer, QgsStyle* style, QgsFeatureRenderer* renderer );
QgsRuleBasedRendererWidget( QgsVectorLayer* layer, QgsStyle* style, QgsFeatureRenderer* renderer );
~QgsRuleBasedRendererWidget();
virtual QgsFeatureRenderer* renderer() override;
public slots:
void addRule();
void editRule();
void editRule( const QModelIndex& index );
void removeRule();
void countFeatures();
void clearFeatureCounts() { mModel->clearFeatureCounts(); }
void refineRuleScales();
void refineRuleCategories();
void refineRuleRanges();
void setRenderingOrder();
void currentRuleChanged( const QModelIndex& current = QModelIndex(), const QModelIndex& previous = QModelIndex() );
void selectedRulesChanged();
void saveSectionWidth( int section, int oldSize, int newSize );
void restoreSectionWidths();
protected:
void refineRule( int type );
//! Opens the dialog for refining a rule using categories
void refineRuleCategoriesGui();
//! Opens the dialog for refining a rule using ranges
void refineRuleRangesGui();
void refineRuleScalesGui( const QModelIndexList& index );
QgsRuleBasedRenderer::Rule* currentRule();
QList<QgsSymbol*> selectedSymbols() override;
QgsRuleBasedRenderer::RuleList selectedRules();
void refreshSymbolView() override;
void keyPressEvent( QKeyEvent* event ) override;
QgsRuleBasedRenderer* mRenderer;
QgsRuleBasedRendererModel* mModel;
QMenu* mRefineMenu;
QAction* mDeleteAction;
QgsRuleBasedRenderer::RuleList mCopyBuffer;
protected slots:
void copy() override;
void paste() override;
private slots:
void refineRuleCategoriesAccepted( QgsPanelWidget* panel );
void refineRuleRangesAccepted( QgsPanelWidget* panel );
void ruleWidgetPanelAccepted( QgsPanelWidget* panel );
void liveUpdateRuleFromPanel();
};
///////
#include <QDialog>
#include "ui_qgsrendererrulepropsdialogbase.h"
/** \ingroup gui
* \class QgsRendererRulePropsWidget
*/
class GUI_EXPORT QgsRendererRulePropsWidget : public QgsPanelWidget, private Ui::QgsRendererRulePropsWidget
{
Q_OBJECT
public:
/**
* Widget to edit the details of a rule based renderer rule.
* @param rule The rule to edit.
* @param layer The layer used to pull layer related information.
* @param style The active QGIS style.
* @param parent The parent widget.
* @param context the symbol widget context
*/
QgsRendererRulePropsWidget( QgsRuleBasedRenderer::Rule* rule, QgsVectorLayer* layer, QgsStyle* style, QWidget* parent = nullptr, const QgsSymbolWidgetContext& context = QgsSymbolWidgetContext() );
~QgsRendererRulePropsWidget();
/**
* Return the current set rule.
* @return The current rule.
*/
QgsRuleBasedRenderer::Rule* rule() { return mRule; }
public slots:
/**
* Test the filter that is set in the widget
*/
void testFilter();
/**
* Open the expression builder widget to check if the
*/
void buildExpression();
/**
* Apply any changes from the widget to the set rule.
*/
void apply();
/**
* Set the widget in dock mode.
* @param dockMode True for dock mode.
*/
virtual void setDockMode( bool dockMode );
protected:
QgsRuleBasedRenderer::Rule* mRule; // borrowed
QgsVectorLayer* mLayer;
QgsSymbolSelectorWidget* mSymbolSelector;
QgsSymbol* mSymbol; // a clone of original symbol
QgsSymbolWidgetContext mContext;
};
/** \ingroup gui
* \class QgsRendererRulePropsDialog
*/
class GUI_EXPORT QgsRendererRulePropsDialog : public QDialog
{
Q_OBJECT
public:
/** Constructor for QgsRendererRulePropsDialog
* @param rule associated rule based renderer rule
* @param layer source vector layer
* @param style style collection
* @param parent parent widget
* @param context symbol widget context
*/
QgsRendererRulePropsDialog( QgsRuleBasedRenderer::Rule* rule, QgsVectorLayer* layer, QgsStyle* style, QWidget* parent = nullptr, const QgsSymbolWidgetContext& context = QgsSymbolWidgetContext() );
~QgsRendererRulePropsDialog();
QgsRuleBasedRenderer::Rule* rule() { return mPropsWidget->rule(); }
public slots:
void testFilter();
void buildExpression();
void accept() override;
private:
QgsRendererRulePropsWidget* mPropsWidget;
QDialogButtonBox* buttonBox;
};
#endif // QGSRULEBASEDRENDERERV2WIDGET_H