QgsLegendInterface Class Reference
[QGIS gui library.]

QgsLegendInterface Abstract base class to make QgsLegend available to plugins. More...

#include <qgslegendinterface.h>

List of all members.

Public Slots
virtual int	addGroup (QString name, bool expand=true)=0
	Add a new group.
virtual void	removeGroup (int groupIndex)=0
	Remove group on index.
virtual void	moveLayer (QgsMapLayer *ml, int groupIndex)=0
	Move a layer to a group.
virtual void	setGroupExpanded (int groupIndex, bool expand)=0
	Collapse or expand a group.
virtual void	setGroupVisible (int groupIndex, bool visible)=0
	Set the visibility of a group.
virtual void	setLayerVisible (QgsMapLayer *ml, bool visible)=0
	Set the visibility of a layer.
virtual void	refreshLayerSymbology (QgsMapLayer *ml)=0
	Refresh layer symbology.
Signals
void	groupIndexChanged (int oldIndex, int newIndex)
	emitted when a group index has changed
Public Member Functions
	QgsLegendInterface ()
	Constructor.
virtual	~QgsLegendInterface ()
	Virtual destructor.
virtual QStringList	groups ()=0
	Return a string list of groups.
virtual QList< GroupLayerInfo >	groupLayerRelationship ()
	Return the relationship between groups and layers in the legend.
virtual QList< QgsMapLayer * >	layers () const =0
	Return all layers in the project in legend order.
virtual bool	groupExists (int groupIndex)=0
	Check if a group exists.
virtual bool	isGroupExpanded (int groupIndex)=0
	Check if a group is expanded.
virtual bool	isGroupVisible (int groupIndex)=0
	Check if a group is visible.
virtual bool	isLayerVisible (QgsMapLayer *ml)=0
	Check if a layer is visible.

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Detailed Description

QgsLegendInterface Abstract base class to make QgsLegend available to plugins.

Note:

added in 1.4

Definition at line 38 of file qgslegendinterface.h.

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Constructor & Destructor Documentation

QgsLegendInterface::QgsLegendInterface

(

)

Constructor.

Definition at line 20 of file qgslegendinterface.cpp.

QgsLegendInterface::~QgsLegendInterface

(

)

[virtual]

Virtual destructor.

Definition at line 24 of file qgslegendinterface.cpp.

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Member Function Documentation

virtual QStringList QgsLegendInterface::groups

(

)

[pure virtual]

Return a string list of groups.

virtual QList< GroupLayerInfo > QgsLegendInterface::groupLayerRelationship

(

)

[inline, virtual]

Return the relationship between groups and layers in the legend.

Definition at line 54 of file qgslegendinterface.h.

virtual QList< QgsMapLayer * > QgsLegendInterface::layers

(

)

const [pure virtual]

Return all layers in the project in legend order.

Note:

added in 1.5

virtual bool QgsLegendInterface::groupExists

(

int

groupIndex

)

[pure virtual]

Check if a group exists.

Note:

added in 1.5

virtual bool QgsLegendInterface::isGroupExpanded

(

int

groupIndex

)

[pure virtual]

Check if a group is expanded.

Note:

added in 1.5

virtual bool QgsLegendInterface::isGroupVisible

(

int

groupIndex

)

[pure virtual]

Check if a group is visible.

Note:

added in 1.5

virtual bool QgsLegendInterface::isLayerVisible

(

QgsMapLayer *

ml

)

[pure virtual]

Check if a layer is visible.

Note:

added in 1.5

void QgsLegendInterface::groupIndexChanged	(	int	oldIndex,
		int	newIndex
	)			[signal]

emitted when a group index has changed

virtual int QgsLegendInterface::addGroup	(	QString	name,
		bool	expand = true
	)			[pure virtual, slot]

Add a new group.

virtual void QgsLegendInterface::removeGroup

(

int

groupIndex

)

[pure virtual, slot]

Remove group on index.

virtual void QgsLegendInterface::moveLayer	(	QgsMapLayer *	ml,
		int	groupIndex
	)			[pure virtual, slot]

Move a layer to a group.

virtual void QgsLegendInterface::setGroupExpanded	(	int	groupIndex,
		bool	expand
	)			[pure virtual, slot]

Collapse or expand a group.

Note:

added in 1.5

virtual void QgsLegendInterface::setGroupVisible	(	int	groupIndex,
		bool	visible
	)			[pure virtual, slot]

Set the visibility of a group.

Note:

added in 1.5

virtual void QgsLegendInterface::setLayerVisible	(	QgsMapLayer *	ml,
		bool	visible
	)			[pure virtual, slot]

Set the visibility of a layer.

Note:

added in 1.5

virtual void QgsLegendInterface::refreshLayerSymbology

(

QgsMapLayer *

ml

)

[pure virtual, slot]

Refresh layer symbology.

Note:

added in 1.5

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The documentation for this class was generated from the following files:

• src/gui/qgslegendinterface.h
• src/gui/qgslegendinterface.cpp