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375dc32045
Also adds signals to the QgsMapLayerStyleManager so others can watch the changes This code has been funded by Tuscany Region (Italy) - SITA (CIG: 6002233F59) and commissioned to Gis3W s.a.s.
96 lines
3.4 KiB
Plaintext
96 lines
3.4 KiB
Plaintext
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class QgsMapLayerStyle
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{
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%TypeHeaderCode
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#include <qgsmaplayerstylemanager.h>
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%End
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public:
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//! construct invalid style
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QgsMapLayerStyle();
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//! construct style from QML definition (XML)
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explicit QgsMapLayerStyle( const QString& xmlData );
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//! Tell whether the style is valid (i.e. there is something stored in it)
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bool isValid() const;
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//! Remove any stored style data (will get invalid)
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void clear();
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//! Return XML content of the style
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QString xmlData() const;
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//! Store layer's active style information in the instance
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void readFromLayer( QgsMapLayer* layer );
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//! Apply stored layer's style information to the layer
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void writeToLayer( QgsMapLayer* layer ) const;
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//! Read style configuration (for project file reading)
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void readXml( const QDomElement& styleElement );
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//! Write style configuration (for project file writing)
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void writeXml( QDomElement& styleElement ) const;
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};
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class QgsMapLayerStyleManager : QObject
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{
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%TypeHeaderCode
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#include <qgsmaplayerstylemanager.h>
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%End
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public:
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//! Construct a style manager associated with a map layer (must not be null)
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QgsMapLayerStyleManager( QgsMapLayer* layer );
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//! Get pointer to the associated map layer
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QgsMapLayer* layer() const;
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//! Reset the style manager to a basic state - with one default style which is set as current
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void reset();
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//! Read configuration (for project loading)
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void readXml( const QDomElement& mgrElement );
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//! Write configuration (for project saving)
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void writeXml( QDomElement& mgrElement ) const;
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//! Return list of all defined style names
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QStringList styles() const;
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//! Return data of a stored style - accessed by its unique name
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QgsMapLayerStyle style( const QString& name ) const;
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//! Add a style with given name and data
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//! @return true on success (name is unique and style is valid)
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bool addStyle( const QString& name, const QgsMapLayerStyle& style );
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//! Add style by cloning the current one
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//! @return true on success
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bool addStyleFromLayer( const QString& name );
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//! Remove a stored style
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//! @return true on success (style exists and it is not the last one)
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bool removeStyle( const QString& name );
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//! Rename a stored style to a different name
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//! @return true on success (style exists and new name is unique)
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bool renameStyle( const QString& name, const QString& newName );
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//! Return name of the current style
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QString currentStyle() const;
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//! Set a different style as the current style - will apply it to the layer
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//! @return true on success
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bool setCurrentStyle( const QString& name );
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//! Temporarily apply a different style to the layer. The argument
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//! can be either a style name or a full QML style definition.
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//! Each call must be paired with restoreOverrideStyle()
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bool setOverrideStyle( const QString& styleDef );
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//! Restore the original store after a call to setOverrideStyle()
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bool restoreOverrideStyle();
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signals:
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//! Emitted when a new style has been added
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void styleAdded( const QString& name );
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//! Emitted when a style has been removed
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void styleRemoved( const QString& name );
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//! Emitted when a style has been renamed
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void styleRenamed( const QString& oldName, const QString& newName );
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//! Emitted when the current style has been changed
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void currentStyleChanged( const QString& currentName );
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};
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