An item which is drawn inside a QgsComposerMap, eg a grid or map overview. More...

#include <qgscomposermapitem.h>

Inheritance diagram for QgsComposerMapItem:

Public Member Functions
	QgsComposerMapItem (const QString &name, QgsComposerMap *map)
	Constructor for QgsComposerMapItem.
virtual	~QgsComposerMapItem ()
virtual const QgsComposerMap *	composerMap () const
	Get composer map for the item.
virtual void	draw (QPainter *painter)=0
	Draws the item on to a painter.
virtual bool	enabled () const
	Returns whether the item will be drawn.
QString	id () const
	Get the unique id for the map item.
virtual QString	name () const
	Get friendly display name for the item.
virtual bool	readXML (const QDomElement &itemElem, const QDomDocument &doc) override
	Sets map item state from a DOM document.
virtual void	setComposerMap (QgsComposerMap *map)
	Sets composer map for the item.
virtual void	setEnabled (const bool enabled)
	Controls whether the item will be drawn.
virtual void	setName (const QString &name)
	Sets the friendly display name for the item.
virtual bool	usesAdvancedEffects () const
	Returns true if the item is drawn using advanced effects, such as blend modes.
virtual bool	writeXML (QDomElement &elem, QDomDocument &doc) const override
	Stores map item state in DOM element.
Public Member Functions inherited from QgsComposerObject
	QgsComposerObject (QgsComposition *composition)
	Constructor.
virtual	~QgsComposerObject ()
const QgsComposition *	composition () const
	Returns the composition the item is attached to.
QgsComposition *	composition ()
QgsDataDefined *	dataDefinedProperty (const DataDefinedProperty property) const
	Returns a reference to the data defined settings for one of the item's data defined properties.
void	setDataDefinedProperty (const DataDefinedProperty property, const bool active, const bool useExpression, const QString &expression, const QString &field)
	Sets parameters for a data defined property for the item.

Protected Attributes
QgsComposerMap *	mComposerMap
	Associated composer map.
bool	mEnabled
	True if item is to be displayed on map.
QString	mName
	Friendly display name.
QString	mUuid
	Unique id.
Protected Attributes inherited from QgsComposerObject
QgsComposition *	mComposition
QMap < QgsComposerObject::DataDefinedProperty, QString >	mDataDefinedNames
	Map of data defined properties for the item to string name to use when exporting item to xml.

Additional Inherited Members
Public Types inherited from QgsComposerObject
enum	DataDefinedProperty { NoProperty = 0, AllProperties, TestProperty, PresetPaperSize, PaperWidth, PaperHeight, NumPages, PaperOrientation, PageNumber, PositionX, PositionY, ItemWidth, ItemHeight, ItemRotation, Transparency, BlendMode, ExcludeFromExports, MapRotation, MapScale, MapXMin, MapYMin, MapXMax, MapYMax, MapAtlasMargin, PictureSource, SourceUrl }
	Data defined properties for different item types. More...
enum	PropertyValueType { EvaluatedValue = 0, OriginalValue }
	Specifies whether the value returned by a function should be the original, user set value, or the current evaluated value for the property. More...
Public Slots inherited from QgsComposerObject
virtual void	refreshDataDefinedProperty (const DataDefinedProperty property=AllProperties)
	Refreshes a data defined property for the item by reevaluating the property's value and redrawing the item with this new value.
virtual void	repaint ()
	Triggers a redraw for the item.
Signals inherited from QgsComposerObject
void	itemChanged ()
	Emitted when the item changes.
Protected Member Functions inherited from QgsComposerObject
bool	dataDefinedEvaluate (const QgsComposerObject::DataDefinedProperty property, QVariant &expressionValue)
	Evaluate a data defined property and return the calculated value.

Detailed Description

An item which is drawn inside a QgsComposerMap, eg a grid or map overview.

Definition at line 29 of file qgscomposermapitem.h.

Constructor & Destructor Documentation

QgsComposerMapItem::QgsComposerMapItem	(	const QString &	name,
		QgsComposerMap *	map
	)

Constructor for QgsComposerMapItem.

Parameters

name	friendly display name for item
map	QgsComposerMap the item is attached to

Definition at line 22 of file qgscomposermapitem.cpp.

QgsComposerMapItem::~QgsComposerMapItem ( )

virtual

Definition at line 32 of file qgscomposermapitem.cpp.

Member Function Documentation

virtual const QgsComposerMap* QgsComposerMapItem::composerMap ( ) const

inlinevirtual

Get composer map for the item.

Returns: composer map

See Also: setComposerMap

Definition at line 72 of file qgscomposermapitem.h.

virtual void QgsComposerMapItem::draw ( QPainter * painter )

pure virtual

Draws the item on to a painter.

Parameters

painter destination QPainter

Implemented in QgsComposerMapGrid, and QgsComposerMapOverview.

virtual bool QgsComposerMapItem::enabled ( ) const

inlinevirtual

Returns whether the item will be drawn.

Returns: true if item will be drawn on the map

See Also: setEnabled

Definition at line 101 of file qgscomposermapitem.h.

QString QgsComposerMapItem::id ( ) const

inline

Get the unique id for the map item.

Returns: unique id

Definition at line 77 of file qgscomposermapitem.h.

virtual QString QgsComposerMapItem::name ( ) const

inlinevirtual

Get friendly display name for the item.

Returns: display name

See Also: setName

Definition at line 89 of file qgscomposermapitem.h.

bool QgsComposerMapItem::readXML	(	const QDomElement &	itemElem,
		const QDomDocument &	doc
	)

overridevirtual

Sets map item state from a DOM document.

Parameters

itemElem	is DOM node corresponding to a 'ComposerMapGrid' tag
doc	is DOM document

See Also: writeXML

Reimplemented from QgsComposerObject.

Reimplemented in QgsComposerMapGrid, and QgsComposerMapOverview.

Definition at line 46 of file qgscomposermapitem.cpp.

void QgsComposerMapItem::setComposerMap ( QgsComposerMap * map )

virtual

Sets composer map for the item.

Parameters

map	composer map

See Also: composerMap

Definition at line 55 of file qgscomposermapitem.cpp.

virtual void QgsComposerMapItem::setEnabled ( const bool enabled )

inlinevirtual

Controls whether the item will be drawn.

Parameters

enabled set to true to enable drawing of the item

See Also: enabled

Definition at line 95 of file qgscomposermapitem.h.

virtual void QgsComposerMapItem::setName ( const QString & name )

inlinevirtual

Sets the friendly display name for the item.

Parameters

name	display name

See Also: name

Definition at line 83 of file qgscomposermapitem.h.

virtual bool QgsComposerMapItem::usesAdvancedEffects ( ) const

inlinevirtual

Returns true if the item is drawn using advanced effects, such as blend modes.

Returns: true if item uses advanced effects

Reimplemented in QgsComposerMapGrid, and QgsComposerMapOverview.

Definition at line 106 of file qgscomposermapitem.h.

bool QgsComposerMapItem::writeXML	(	QDomElement &	elem,
		QDomDocument &	doc
	)		const

overridevirtual

Stores map item state in DOM element.

Parameters

elem	is DOM element corresponding to a 'ComposerMap' tag
doc	DOM document

See Also: readXML

Reimplemented from QgsComposerObject.

Reimplemented in QgsComposerMapGrid, and QgsComposerMapOverview.

Definition at line 37 of file qgscomposermapitem.cpp.

Member Data Documentation

QgsComposerMap* QgsComposerMapItem::mComposerMap

protected

Associated composer map.

Definition at line 114 of file qgscomposermapitem.h.

bool QgsComposerMapItem::mEnabled

protected

True if item is to be displayed on map.

Definition at line 120 of file qgscomposermapitem.h.

QString QgsComposerMapItem::mName

protected

Friendly display name.

Definition at line 111 of file qgscomposermapitem.h.

QString QgsComposerMapItem::mUuid

protected

Unique id.

Definition at line 117 of file qgscomposermapitem.h.

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

/tmp/buildd/qgis-2.8.2+12wheezy/src/core/composer/qgscomposermapitem.h
/tmp/buildd/qgis-2.8.2+12wheezy/src/core/composer/qgscomposermapitem.cpp

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation