#include <qgscategorizedsymbolrendererv2.h>

Inheritance diagram for QgsCategorizedSymbolRendererV2:

Collaboration diagram for QgsCategorizedSymbolRendererV2:

Public Member Functions
	QgsCategorizedSymbolRendererV2 (QString attrName=QString(), QgsCategoryList categories=QgsCategoryList())
virtual	~QgsCategorizedSymbolRendererV2 ()
void	addCategory (const QgsRendererCategoryV2 &category)
virtual int	capabilities ()
	returns bitwise OR-ed capabilities of the renderer
const QgsCategoryList &	categories ()
int	categoryIndexForValue (QVariant val)
	return index of category with specified value (-1 if not found)
QString	classAttribute () const
virtual QgsFeatureRendererV2 *	clone ()
void	deleteAllCategories ()
bool	deleteCategory (int catIndex)
virtual QString	dump ()
	for debugging
virtual QgsLegendSymbolList	legendSymbolItems ()
	return a list of item text / symbol
virtual QgsLegendSymbologyList	legendSymbologyItems (QSize iconSize)
	return a list of symbology items for the legend
void	moveCategory (int from, int to)
	Moves the category at index position from to index position to.
QString	rotationField () const
virtual QDomElement	save (QDomDocument &doc)
	store renderer info to XML element
QgsSymbolV2::ScaleMethod	scaleMethod () const
void	setClassAttribute (QString attr)
void	setRotationField (QString fieldName)
void	setScaleMethod (QgsSymbolV2::ScaleMethod scaleMethod)
void	setSizeScaleField (QString fieldName)
void	setSourceColorRamp (QgsVectorColorRampV2 *ramp)
void	setSourceSymbol (QgsSymbolV2 *sym)
QString	sizeScaleField () const
void	sortByLabel (Qt::SortOrder order=Qt::AscendingOrder)
void	sortByValue (Qt::SortOrder order=Qt::AscendingOrder)
QgsVectorColorRampV2 *	sourceColorRamp ()
QgsSymbolV2 *	sourceSymbol ()
virtual void	startRender (QgsRenderContext &context, const QgsVectorLayer *vlayer)
virtual void	stopRender (QgsRenderContext &context)
virtual QgsSymbolV2 *	symbolForFeature (QgsFeature &feature)
	to be overridden
virtual QgsSymbolV2List	symbols ()
	for symbol levels
virtual void	toSld (QDomDocument &doc, QDomElement &element) const
	used from subclasses to create SLD Rule elements following SLD v1.1 specs
bool	updateCategoryLabel (int catIndex, QString label)
bool	updateCategorySymbol (int catIndex, QgsSymbolV2 *symbol)
bool	updateCategoryValue (int catIndex, const QVariant &value)
void	updateSymbols (QgsSymbolV2 *sym)
virtual QList< QString >	usedAttributes ()
Static Public Member Functions
static QgsFeatureRendererV2 *	create (QDomElement &element)
	create renderer from XML element
Protected Member Functions
void	rebuildHash ()
QgsSymbolV2 *	symbolForValue (QVariant value)
Protected Attributes
QString	mAttrName
int	mAttrNum
	attribute index (derived from attribute name in startRender)
QgsCategoryList	mCategories
QString	mRotationField
int	mRotationFieldIdx
QgsSymbolV2::ScaleMethod	mScaleMethod
QString	mSizeScaleField
int	mSizeScaleFieldIdx
QgsVectorColorRampV2 *	mSourceColorRamp
QgsSymbolV2 *	mSourceSymbol
QHash< QString, QgsSymbolV2 * >	mSymbolHash
	hashtable for faster access to symbols
QHash< QString, QgsSymbolV2 * >	mTempSymbols
	temporary symbols, used for data-defined rotation and scaling

Detailed Description

Definition at line 64 of file qgscategorizedsymbolrendererv2.h.

Constructor & Destructor Documentation

QgsCategorizedSymbolRendererV2::QgsCategorizedSymbolRendererV2	(	QString	attrName = `QString()`,
		QgsCategoryList	categories = `QgsCategoryList()`
	)

Definition at line 139 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories, QgsDebugMsg, and QgsRendererCategoryV2::symbol().

Referenced by clone(), and create().

QgsCategorizedSymbolRendererV2::~QgsCategorizedSymbolRendererV2 ( ) [virtual]

Definition at line 161 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories, mSourceColorRamp, and mSourceSymbol.

Member Function Documentation

void QgsCategorizedSymbolRendererV2::addCategory ( const QgsRendererCategoryV2 & category )

Definition at line 284 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories, QgsDebugMsg, and QgsRendererCategoryV2::symbol().

Referenced by QgsCategorizedSymbolRendererV2Model::addCategory().

virtual int QgsCategorizedSymbolRendererV2::capabilities ( ) [inline, virtual]

returns bitwise OR-ed capabilities of the renderer

Note:: added in 2.0

Reimplemented from QgsFeatureRendererV2.

Definition at line 88 of file qgscategorizedsymbolrendererv2.h.

References QgsFeatureRendererV2::Filter.

const QgsCategoryList& QgsCategorizedSymbolRendererV2::categories ( ) [inline]

Definition at line 94 of file qgscategorizedsymbolrendererv2.h.

int QgsCategorizedSymbolRendererV2::categoryIndexForValue ( QVariant val )

return index of category with specified value (-1 if not found)

Definition at line 250 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories.

QString QgsCategorizedSymbolRendererV2::classAttribute ( ) const [inline]

Definition at line 113 of file qgscategorizedsymbolrendererv2.h.

Referenced by legendSymbolItems(), legendSymbologyItems(), QgsCategorizedSymbolRendererV2Widget::QgsCategorizedSymbolRendererV2Widget(), QgsRuleBasedRendererV2::refineRuleCategories(), and QgsCategorizedSymbolRendererV2Widget::updateUiFromRenderer().

QgsFeatureRendererV2 * QgsCategorizedSymbolRendererV2::create ( QDomElement & element ) [static]

create renderer from XML element

Definition at line 475 of file qgscategorizedsymbolrendererv2.cpp.

References QgsSymbolLayerV2Utils::clearSymbolMap(), QgsSymbolLayerV2Utils::decodeScaleMethod(), QgsSymbolLayerV2Utils::loadColorRamp(), QgsSymbolLayerV2Utils::loadSymbols(), QgsCategorizedSymbolRendererV2(), setRotationField(), setScaleMethod(), setSizeScaleField(), setSourceColorRamp(), and setSourceSymbol().

Referenced by QgsRendererV2Registry::QgsRendererV2Registry().

void QgsCategorizedSymbolRendererV2::deleteAllCategories ( )

Definition at line 305 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories.

Referenced by QgsCategorizedSymbolRendererV2Model::removeAllRows().

bool QgsCategorizedSymbolRendererV2::deleteCategory ( int catIndex )

Definition at line 296 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories.

Referenced by QgsCategorizedSymbolRendererV2Model::deleteRows().

QString QgsCategorizedSymbolRendererV2::dump ( ) [virtual]

for debugging

Reimplemented from QgsFeatureRendererV2.

Definition at line 428 of file qgscategorizedsymbolrendererv2.cpp.

References mAttrName, and mCategories.

QgsLegendSymbolList QgsCategorizedSymbolRendererV2::legendSymbolItems ( ) [virtual]

return a list of item text / symbol

Note:: : this method was added in version 1.5; not available in python bindings

Reimplemented from QgsFeatureRendererV2.

Definition at line 627 of file qgscategorizedsymbolrendererv2.cpp.

References classAttribute(), QgsRendererCategoryV2::label(), mCategories, and QgsRendererCategoryV2::symbol().

QgsLegendSymbologyList QgsCategorizedSymbolRendererV2::legendSymbologyItems ( QSize iconSize ) [virtual]

return a list of symbology items for the legend

Reimplemented from QgsFeatureRendererV2.

Definition at line 606 of file qgscategorizedsymbolrendererv2.cpp.

References categories(), classAttribute(), QgsRendererCategoryV2::label(), QgsRendererCategoryV2::symbol(), and QgsSymbolLayerV2Utils::symbolPreviewPixmap().

void QgsCategorizedSymbolRendererV2::moveCategory	(	int	from,
		int	to
	)

Moves the category at index position from to index position to.

Definition at line 310 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories.

Referenced by QgsCategorizedSymbolRendererV2Model::dropMimeData().

void QgsCategorizedSymbolRendererV2::rebuildHash ( ) [protected]

Definition at line 168 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories, mSymbolHash, QgsRendererCategoryV2::symbol(), and QgsRendererCategoryV2::value().

Referenced by startRender().

QString QgsCategorizedSymbolRendererV2::rotationField ( ) const [inline, virtual]

Note:: added in 1.6

Reimplemented from QgsFeatureRendererV2.

Definition at line 139 of file qgscategorizedsymbolrendererv2.h.

Referenced by QgsCategorizedSymbolRendererV2Widget::addCategories(), clone(), and QgsCategorizedSymbolRendererV2Widget::QgsCategorizedSymbolRendererV2Widget().

QDomElement QgsCategorizedSymbolRendererV2::save ( QDomDocument & doc ) [virtual]

store renderer info to XML element

Reimplemented from QgsFeatureRendererV2.

Definition at line 546 of file qgscategorizedsymbolrendererv2.cpp.

References QgsSymbolLayerV2Utils::encodeScaleMethod(), QgsRendererCategoryV2::label(), mAttrName, mCategories, mRotationField, mScaleMethod, mSizeScaleField, mSourceColorRamp, mSourceSymbol, QgsFeatureRendererV2::mUsingSymbolLevels, RENDERER_TAG_NAME, QgsSymbolLayerV2Utils::saveColorRamp(), QgsSymbolLayerV2Utils::saveSymbols(), QgsRendererCategoryV2::symbol(), symbols(), and QgsRendererCategoryV2::value().

QgsSymbolV2::ScaleMethod QgsCategorizedSymbolRendererV2::scaleMethod ( ) const [inline]

Note:: added in 2.0

Definition at line 149 of file qgscategorizedsymbolrendererv2.h.

Referenced by QgsCategorizedSymbolRendererV2Widget::addCategories(), clone(), QgsCategorizedSymbolRendererV2Widget::QgsCategorizedSymbolRendererV2Widget(), and setScaleMethod().

void QgsCategorizedSymbolRendererV2::setClassAttribute ( QString attr ) [inline]

Definition at line 114 of file qgscategorizedsymbolrendererv2.h.

Referenced by QgsCategorizedSymbolRendererV2Widget::categoryColumnChanged().

void QgsCategorizedSymbolRendererV2::setRotationField ( QString fieldName ) [inline, virtual]

Note:: added in 1.6

Reimplemented from QgsFeatureRendererV2.

Definition at line 137 of file qgscategorizedsymbolrendererv2.h.

Referenced by QgsCategorizedSymbolRendererV2Widget::addCategories(), clone(), create(), and QgsCategorizedSymbolRendererV2Widget::rotationFieldChanged().

void QgsCategorizedSymbolRendererV2::setScaleMethod ( QgsSymbolV2::ScaleMethod scaleMethod )

Note:: added in 2.0

Definition at line 678 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories, mScaleMethod, scaleMethod(), and QgsFeatureRendererV2::setScaleMethodToSymbol().

Referenced by QgsCategorizedSymbolRendererV2Widget::addCategories(), clone(), create(), and QgsCategorizedSymbolRendererV2Widget::scaleMethodChanged().

void QgsCategorizedSymbolRendererV2::setSizeScaleField ( QString fieldName ) [inline]

Note:: added in 1.6

Definition at line 142 of file qgscategorizedsymbolrendererv2.h.

Referenced by QgsCategorizedSymbolRendererV2Widget::addCategories(), clone(), create(), and QgsCategorizedSymbolRendererV2Widget::sizeScaleFieldChanged().

void QgsCategorizedSymbolRendererV2::setSourceColorRamp ( QgsVectorColorRampV2 * ramp )

Definition at line 660 of file qgscategorizedsymbolrendererv2.cpp.

References mSourceColorRamp.

Referenced by QgsCategorizedSymbolRendererV2Widget::addCategories(), clone(), and create().

void QgsCategorizedSymbolRendererV2::setSourceSymbol ( QgsSymbolV2 * sym )

Definition at line 650 of file qgscategorizedsymbolrendererv2.cpp.

References mSourceSymbol.

Referenced by QgsCategorizedSymbolRendererV2Widget::addCategories(), clone(), and create().

QString QgsCategorizedSymbolRendererV2::sizeScaleField ( ) const [inline]

Note:: added in 1.6

Definition at line 144 of file qgscategorizedsymbolrendererv2.h.

Referenced by QgsCategorizedSymbolRendererV2Widget::addCategories(), clone(), and QgsCategorizedSymbolRendererV2Widget::QgsCategorizedSymbolRendererV2Widget().

void QgsCategorizedSymbolRendererV2::sortByLabel ( Qt::SortOrder order = Qt::AscendingOrder )

Definition at line 347 of file qgscategorizedsymbolrendererv2.cpp.

References labelGreaterThan(), labelLessThan(), and mCategories.

Referenced by QgsCategorizedSymbolRendererV2Model::sort().

void QgsCategorizedSymbolRendererV2::sortByValue ( Qt::SortOrder order = Qt::AscendingOrder )

Definition at line 325 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories, valueGreaterThan(), and valueLessThan().

Referenced by QgsCategorizedSymbolRendererV2Model::sort().

QgsVectorColorRampV2 * QgsCategorizedSymbolRendererV2::sourceColorRamp ( )

Definition at line 656 of file qgscategorizedsymbolrendererv2.cpp.

References mSourceColorRamp.

Referenced by QgsCategorizedSymbolRendererV2Widget::updateUiFromRenderer().

QgsSymbolV2 * QgsCategorizedSymbolRendererV2::sourceSymbol ( )

Definition at line 646 of file qgscategorizedsymbolrendererv2.cpp.

References mSourceSymbol.

Referenced by QgsCategorizedSymbolRendererV2Widget::updateUiFromRenderer().

void QgsCategorizedSymbolRendererV2::startRender	(	QgsRenderContext &	context,
		const QgsVectorLayer *	vlayer
	)		`[virtual]`

Implements QgsFeatureRendererV2.

Definition at line 359 of file qgscategorizedsymbolrendererv2.cpp.

References QgsSymbolV2::clone(), QgsSymbolV2::DataDefinedRotation, QgsSymbolV2::DataDefinedSizeScale, QgsVectorLayer::fieldNameIndex(), mAttrName, mAttrNum, mCategories, mRotationField, mRotationFieldIdx, mSizeScaleField, mSizeScaleFieldIdx, mTempSymbols, rebuildHash(), QgsSymbolV2::setRenderHints(), and QgsSymbolV2::startRender().

void QgsCategorizedSymbolRendererV2::stopRender ( QgsRenderContext & context ) [virtual]

Implements QgsFeatureRendererV2.

Definition at line 387 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories, and mTempSymbols.

QgsSymbolV2 * QgsCategorizedSymbolRendererV2::symbolForFeature ( QgsFeature & feature ) [virtual]

to be overridden

Parameters:

feature feature

Returns:: returns pointer to symbol or 0 if symbol was not found

Implements QgsFeatureRendererV2.

Definition at line 199 of file qgscategorizedsymbolrendererv2.cpp.

References QgsFeature::attributes(), QgsSymbolV2::Line, QgsSymbolV2::Marker, mAttrName, mAttrNum, mRotationFieldIdx, mScaleMethod, mSizeScaleFieldIdx, mTempSymbols, QgsDebugMsg, QgsMarkerSymbolV2::setAngle(), QgsMarkerSymbolV2::setScaleMethod(), QgsMarkerSymbolV2::setSize(), QgsLineSymbolV2::setWidth(), size, symbolForValue(), and QgsSymbolV2::type().

QgsSymbolV2 * QgsCategorizedSymbolRendererV2::symbolForValue ( QVariant value ) [protected]

Definition at line 179 of file qgscategorizedsymbolrendererv2.cpp.

References mSymbolHash, and QgsDebugMsg.

Referenced by symbolForFeature().

QgsSymbolV2List QgsCategorizedSymbolRendererV2::symbols ( ) [virtual]

for symbol levels

Implements QgsFeatureRendererV2.

Definition at line 467 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories.

Referenced by save().

void QgsCategorizedSymbolRendererV2::toSld	(	QDomDocument &	doc,
		QDomElement &	element
	)		const `[virtual]`

used from subclasses to create SLD Rule elements following SLD v1.1 specs

Note:: added in 1.9

Reimplemented from QgsFeatureRendererV2.

Definition at line 450 of file qgscategorizedsymbolrendererv2.cpp.

References mAttrName, mCategories, mRotationField, and mSizeScaleField.

bool QgsCategorizedSymbolRendererV2::updateCategoryLabel	(	int	catIndex,
		QString	label
	)

Definition at line 276 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories.

Referenced by QgsCategorizedSymbolRendererV2Model::setData().

bool QgsCategorizedSymbolRendererV2::updateCategorySymbol	(	int	catIndex,
		QgsSymbolV2 *	symbol
	)

Definition at line 268 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories.

Referenced by QgsCategorizedSymbolRendererV2Widget::changeCategorySymbol(), QgsCategorizedSymbolRendererV2Widget::changeSelectedSymbols(), and updateSymbols().

bool QgsCategorizedSymbolRendererV2::updateCategoryValue	(	int	catIndex,
		const QVariant &	value
	)

Definition at line 260 of file qgscategorizedsymbolrendererv2.cpp.

References mCategories.

Referenced by QgsCategorizedSymbolRendererV2Model::setData().

void QgsCategorizedSymbolRendererV2::updateSymbols ( QgsSymbolV2 * sym )

Note:: added in 2.0

Definition at line 666 of file qgscategorizedsymbolrendererv2.cpp.

References QgsSymbolV2::clone(), QgsSymbolV2::color(), mCategories, QgsSymbolV2::setColor(), QgsRendererCategoryV2::symbol(), and updateCategorySymbol().

Referenced by QgsCategorizedSymbolRendererV2Widget::changeCategorizedSymbol().

QList< QString > QgsCategorizedSymbolRendererV2::usedAttributes ( ) [virtual]

Implements QgsFeatureRendererV2.

Definition at line 403 of file qgscategorizedsymbolrendererv2.cpp.

References mAttrName, mCategories, mRotationField, mSizeScaleField, and QgsSymbolV2::usedAttributes().

Member Data Documentation

QString QgsCategorizedSymbolRendererV2::mAttrName [protected]

Definition at line 152 of file qgscategorizedsymbolrendererv2.h.

Referenced by clone(), dump(), save(), startRender(), symbolForFeature(), toSld(), and usedAttributes().

int QgsCategorizedSymbolRendererV2::mAttrNum [protected]

attribute index (derived from attribute name in startRender)

Definition at line 161 of file qgscategorizedsymbolrendererv2.h.

Referenced by startRender(), and symbolForFeature().

QString QgsCategorizedSymbolRendererV2::mRotationField [protected]

Definition at line 156 of file qgscategorizedsymbolrendererv2.h.

Referenced by save(), startRender(), toSld(), and usedAttributes().

int QgsCategorizedSymbolRendererV2::mRotationFieldIdx [protected]

Definition at line 162 of file qgscategorizedsymbolrendererv2.h.

Referenced by startRender(), and symbolForFeature().

QgsSymbolV2::ScaleMethod QgsCategorizedSymbolRendererV2::mScaleMethod [protected]

Definition at line 158 of file qgscategorizedsymbolrendererv2.h.

Referenced by save(), setScaleMethod(), and symbolForFeature().

QString QgsCategorizedSymbolRendererV2::mSizeScaleField [protected]

Definition at line 157 of file qgscategorizedsymbolrendererv2.h.

Referenced by save(), startRender(), toSld(), and usedAttributes().

int QgsCategorizedSymbolRendererV2::mSizeScaleFieldIdx [protected]

Definition at line 162 of file qgscategorizedsymbolrendererv2.h.

Referenced by startRender(), and symbolForFeature().

QgsVectorColorRampV2* QgsCategorizedSymbolRendererV2::mSourceColorRamp [protected]

Definition at line 155 of file qgscategorizedsymbolrendererv2.h.

Referenced by clone(), save(), setSourceColorRamp(), sourceColorRamp(), and ~QgsCategorizedSymbolRendererV2().

QgsSymbolV2* QgsCategorizedSymbolRendererV2::mSourceSymbol [protected]

Definition at line 154 of file qgscategorizedsymbolrendererv2.h.

Referenced by clone(), save(), setSourceSymbol(), sourceSymbol(), and ~QgsCategorizedSymbolRendererV2().

QHash<QString, QgsSymbolV2*> QgsCategorizedSymbolRendererV2::mSymbolHash [protected]

hashtable for faster access to symbols

Definition at line 165 of file qgscategorizedsymbolrendererv2.h.

Referenced by rebuildHash(), and symbolForValue().

QHash<QString, QgsSymbolV2*> QgsCategorizedSymbolRendererV2::mTempSymbols [protected]

temporary symbols, used for data-defined rotation and scaling

Definition at line 168 of file qgscategorizedsymbolrendererv2.h.

Referenced by startRender(), stopRender(), and symbolForFeature().

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

src/core/symbology-ng/qgscategorizedsymbolrendererv2.h
src/core/symbology-ng/qgscategorizedsymbolrendererv2.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation