QgsComposerLegend Class Reference

A legend that can be placed onto a map composition. More...

#include <qgscomposerlegend.h>

Inheritance diagram for QgsComposerLegend:

Collaboration diagram for QgsComposerLegend:

Classes
class	Atom
	Atom is indivisible set (indivisible into more columns). More...
class	Nucleon
	Nucleon is either group title, layer title or layer child item. More...

Public Slots
void	synchronizeWithModel ()
	Data changed.
void	invalidateCurrentMap ()
	Sets mCompositionMap to 0 if the map is deleted.
Public Slots inherited from QgsComposerItem
virtual void	setRotation (double r)
void	repaint ()

Public Member Functions
	QgsComposerLegend (QgsComposition *composition)
	~QgsComposerLegend ()
virtual int	type () const
	return correct graphics item type.
void	paint (QPainter *painter, const QStyleOptionGraphicsItem *itemStyle, QWidget *pWidget)
	Reimplementation of QCanvasItem::paint.
QSizeF	paintAndDetermineSize (QPainter *painter)
	Paints the legend and calculates its size.
void	adjustBoxSize ()
	Sets item box to the whole content.
QgsLegendModel *	model ()
	Returns pointer to the legend model.
void	setTitle (const QString &t)
QString	title () const
QgsComposerLegendStyle &	rstyle (QgsComposerLegendStyle::Style s)
	Returns reference to modifiable style.
QgsComposerLegendStyle	style (QgsComposerLegendStyle::Style s) const
	Returns style.
void	setStyle (QgsComposerLegendStyle::Style s, const QgsComposerLegendStyle style)
QFont	styleFont (QgsComposerLegendStyle::Style s) const
void	setStyleFont (QgsComposerLegendStyle::Style s, const QFont &f)
	Set style font.
void	setStyleMargin (QgsComposerLegendStyle::Style s, double margin)
	Set style margin.
void	setStyleMargin (QgsComposerLegendStyle::Style s, QgsComposerLegendStyle::Side side, double margin)
double	boxSpace () const
void	setBoxSpace (double s)
double	columnSpace () const
void	setColumnSpace (double s)
QColor	fontColor () const
void	setFontColor (const QColor &c)
double	symbolWidth () const
void	setSymbolWidth (double w)
double	symbolHeight () const
void	setSymbolHeight (double h)
void	setWrapChar (const QString &t)
QString	wrapChar () const
int	columnCount () const
void	setColumnCount (int c)
int	splitLayer () const
void	setSplitLayer (bool s)
int	equalColumnWidth () const
void	setEqualColumnWidth (bool s)
void	setComposerMap (const QgsComposerMap *map)
const QgsComposerMap *	composerMap () const
void	updateLegend ()
	Updates the model and all legend entries.
bool	writeXML (QDomElement &elem, QDomDocument &doc) const
	stores state in Dom node
bool	readXML (const QDomElement &itemElem, const QDomDocument &doc)
	sets state from Dom document
Public Member Functions inherited from QgsComposerItem
	QgsComposerItem (QgsComposition *composition, bool manageZValue=true)
	Constructor.
	QgsComposerItem (qreal x, qreal y, qreal width, qreal height, QgsComposition *composition, bool manageZValue=true)
	Constructor with box position and composer object.
virtual	~QgsComposerItem ()
virtual void	setSelected (bool s)
	Set selected, selected item should be highlighted.
virtual bool	selected ()
	Is selected.
virtual bool	writeSettings ()
	stores state in project
virtual bool	readSettings ()
	read state from project
virtual bool	removeSettings ()
	delete settings from project file
void	move (double dx, double dy)
	Moves item in canvas coordinates.
virtual void	moveContent (double dx, double dy)
	Move Content of item.
virtual void	zoomContent (int delta, double x, double y)
	Zoom content of item.
void	setItemPosition (double x, double y, ItemPositionMode itemPoint=UpperLeft)
	Moves the item to a new position (in canvas coordinates)
void	setItemPosition (double x, double y, double width, double height, ItemPositionMode itemPoint=UpperLeft)
	Sets item position and width / height in one go.
ItemPositionMode	lastUsedPositionMode ()
	Returns item's last used position mode.
virtual void	setSceneRect (const QRectF &rectangle)
	Sets this items bound in scene coordinates such that 1 item size units corresponds to 1 scene size unit.
bool	_writeXML (QDomElement &itemElem, QDomDocument &doc) const
	Writes parameter that are not subclass specific in document.
bool	_readXML (const QDomElement &itemElem, const QDomDocument &doc)
	Reads parameter that are not subclass specific in document.
bool	hasFrame () const
	Whether this item has a frame or not.
void	setFrameEnabled (bool drawFrame)
	Set whether this item has a frame drawn around it or not.
bool	hasBackground () const
	Whether this item has a Background or not.
void	setBackgroundEnabled (bool drawBackground)
	Set whether this item has a Background drawn around it or not.
QColor	backgroundColor () const
	Gets the background color for this item.
void	setBackgroundColor (const QColor &backgroundColor)
	Sets the background color for this item.
QPainter::CompositionMode	blendMode () const
	Returns the item's composition blending mode.
void	setBlendMode (QPainter::CompositionMode blendMode)
	Sets the item's composition blending mode.
int	transparency () const
	Returns the item's transparency.
void	setTransparency (int transparency)
	Sets the item's transparency.
bool	effectsEnabled () const
	Returns true if effects (eg blend modes) are enabled for the item.
void	setEffectsEnabled (bool effectsEnabled)
	Sets whether effects (eg blend modes) are enabled for the item.
virtual void	addItem (QgsComposerItem *item)
	Composite operations for item groups do nothing per default.
virtual void	removeItems ()
const QgsComposition *	composition () const
QgsComposition *	composition ()
virtual void	beginItemCommand (const QString &text)
void	beginCommand (const QString &commandText, QgsComposerMergeCommand::Context c=QgsComposerMergeCommand::Unknown)
	Starts new composer undo command.
virtual void	endItemCommand ()
void	endCommand ()
	Finish current command and push it onto the undo stack.
void	cancelCommand ()
void	drawText (QPainter *p, double x, double y, const QString &text, const QFont &font) const
	Draws Text.
void	drawText (QPainter *p, const QRectF &rect, const QString &text, const QFont &font, Qt::AlignmentFlag halignment=Qt::AlignLeft, Qt::AlignmentFlag valignment=Qt::AlignTop) const
	Like the above, but with a rectangle for multiline text.
double	textWidthMillimeters (const QFont &font, const QString &text) const
	Returns the font width in millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE.
double	fontHeightCharacterMM (const QFont &font, const QChar &c) const
	Returns the font height of a character in millimeters.
double	fontAscentMillimeters (const QFont &font) const
	Returns the font ascent in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE.
double	fontDescentMillimeters (const QFont &font) const
	Returns the font ascent in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE.
double	pixelFontSize (double pointSize) const
	Calculates font to from point size to pixel size.
QFont	scaledFontPixelSize (const QFont &font) const
	Returns a font where size is in pixel and font size is upscaled with FONT_WORKAROUND_SCALE.
void	setPositionLock (bool lock)
	Locks / unlocks the item position for mouse drags.
bool	positionLock () const
	Returns position lock for mouse drags (true means locked)
void	updateCursor (const QPointF &itemPos)
	Update mouse cursor at (item) position.
double	rotation () const
virtual void	updateItem ()
	Updates item, with the possibility to do custom update for subclasses.
QString	id () const
	Get item's id (which is not necessarly unique)
virtual void	setId (const QString &id)
	Set item's id (which is not necessarly unique)
QString	uuid () const
	Get item identification name.

Protected Attributes
QString	mTitle
QString	mWrapChar
QColor	mFontColor
qreal	mBoxSpace
	Space between item box and contents.
double	mColumnSpace
	Space between columns.
double	mSymbolWidth
	Width of symbol icon.
double	mSymbolHeight
	Height of symbol icon.
double	mlineSpacing
	Spacing between lines when wrapped.
int	mColumnCount
	Number of legend columns.
QgsLegendModel	mLegendModel
const QgsComposerMap *	mComposerMap
	Reference to map (because symbols are sometimes in map units)
bool	mSplitLayer
	Allow splitting layers into multiple columns.
bool	mEqualColumnWidth
	Use the same width (maximum) for all columns.
Protected Attributes inherited from QgsComposerItem
QgsComposition *	mComposition
QgsComposerItem::MouseMoveAction	mCurrentMouseMoveAction
QPointF	mMouseMoveStartPos
	Start point of the last mouse move action (in scene coordinates)
QPointF	mLastMouseEventPos
	Position of the last mouse move event (in scene coordinates)
QGraphicsRectItem *	mBoundingResizeRectangle
	Rectangle used during move and resize actions.
QGraphicsLineItem *	mHAlignSnapItem
QGraphicsLineItem *	mVAlignSnapItem
bool	mFrame
	True if item fram needs to be painted.
bool	mBackground
	True if item background needs to be painted.
QColor	mBackgroundColor
	Background color.
bool	mItemPositionLocked
	True if item position and size cannot be changed with mouse move.
double	mLastValidViewScaleFactor
	Backup to restore item appearance if no view scale factor is available.
double	mRotation
	Item rotation in degrees, clockwise.
QPainter::CompositionMode	mBlendMode
	Composition blend mode for item.
bool	mEffectsEnabled
QgsComposerEffect *	mEffect
int	mTransparency
	Item transparency.
ItemPositionMode	mLastUsedPositionMode
	The item's position mode.

Private Member Functions
QList< Atom >	createAtomList (QStandardItem *rootItem, bool splitLayer)
	Create list of atoms according to current layer splitting mode.
void	setColumns (QList< Atom > &atomList)
	Divide atoms to columns and set columns on atoms.
	QgsComposerLegend ()
QSizeF	drawTitle (QPainter *painter=0, QPointF point=QPointF(), Qt::AlignmentFlag halignment=Qt::AlignLeft)
QSizeF	drawGroupItemTitle (QgsComposerGroupItem *groupItem, QPainter *painter=0, QPointF point=QPointF())
	Draws a group item and all subitems Returns list of sizes of layers and groups including this group.
QSizeF	drawLayerItemTitle (QgsComposerLayerItem *layerItem, QPainter *painter=0, QPointF point=QPointF())
	Draws a layer item and all subitems.
Nucleon	drawSymbolItem (QgsComposerLegendItem *symbolItem, QPainter *painter=0, QPointF point=QPointF(), double labelXOffset=0.)
void	drawSymbolV2 (QPainter *p, QgsSymbolV2 *s, double currentYCoord, double &currentXPosition, double &symbolHeight) const
	Draws a symbol at the current y position and returns the new x position.
QSizeF	drawAtom (Atom atom, QPainter *painter=0, QPointF point=QPointF())
	Draw atom and return its actual size, the atom is drawn with the space above it so that first atoms in column are all aligned to the same line regardles their style top space.
double	spaceAboveAtom (Atom atom)
QStringList	layerIdList () const
	Helper function that lists ids of layers contained in map canvas.
QStringList	splitStringForWrapping (QString stringToSplt)
	Splits a string using the wrap char taking into account handling empty wrap char which means no wrapping.

Private Attributes
QMap < QgsComposerLegendStyle::Style, QgsComposerLegendStyle >	mStyleMap

Additional Inherited Members
Public Types inherited from QgsComposerItem
enum	ItemType {   ComposerItem = UserType + 100, ComposerArrow, ComposerItemGroup, ComposerLabel,   ComposerLegend, ComposerMap, ComposerPaper, ComposerPicture,   ComposerScaleBar, ComposerShape, ComposerTable, ComposerAttributeTable,   ComposerTextTable, ComposerFrame }
enum	MouseMoveAction {   MoveItem, ResizeUp, ResizeDown, ResizeLeft,   ResizeRight, ResizeLeftUp, ResizeRightUp, ResizeLeftDown,   ResizeRightDown, NoAction }
	Describes the action (move or resize in different directon) to be done during mouse move. More...
enum	ItemPositionMode {   UpperLeft, UpperMiddle, UpperRight, MiddleLeft,   Middle, MiddleRight, LowerLeft, LowerMiddle,   LowerRight }
Signals inherited from QgsComposerItem
void	rotationChanged (double newRotation)
	Is emitted on rotation change to notify north arrow pictures.
void	itemChanged ()
	Used e.g.
void	sizeChanged ()
	Emitted if the rectangle changes.
Protected Member Functions inherited from QgsComposerItem
virtual void	mouseMoveEvent (QGraphicsSceneMouseEvent *event)
virtual void	mousePressEvent (QGraphicsSceneMouseEvent *event)
virtual void	mouseReleaseEvent (QGraphicsSceneMouseEvent *event)
virtual void	hoverMoveEvent (QGraphicsSceneHoverEvent *event)
Qt::CursorShape	cursorForPosition (const QPointF &itemCoordPos)
	Finds out the appropriate cursor for the current mouse position in the widget (e.g.
QgsComposerItem::MouseMoveAction	mouseMoveActionForPosition (const QPointF &itemCoordPos)
	Finds out which mouse move action to choose depending on the cursor position inside the widget.
void	changeItemRectangle (const QPointF &currentPosition, const QPointF &mouseMoveStartPos, const QGraphicsRectItem *originalItem, double dx, double dy, QGraphicsRectItem *changeItem)
	Changes the rectangle of an item depending on current mouse action (resize or move)
virtual void	drawSelectionBoxes (QPainter *p)
	Draw selection boxes around item.
virtual void	drawFrame (QPainter *p)
	Draw black frame around item.
virtual void	drawBackground (QPainter *p)
	Draw background.
void	drawArrowHead (QPainter *p, double x, double y, double angle, double arrowHeadWidth) const
	Draws arrowhead.
double	angle (const QPointF &p1, const QPointF &p2) const
	Returns angle of the line from p1 to p2 (clockwise, starting at N)
double	rectHandlerBorderTolerance () const
	Returns the current (zoom level dependent) tolerance to decide if mouse position is close enough to the item border for resizing.
double	lockSymbolSize () const
	Returns the size of the lock symbol depending on the composer zoom level and the item size.
double	horizontalViewScaleFactor () const
	Returns the zoom factor of the graphics view.
bool	imageSizeConsideringRotation (double &width, double &height) const
	Calculates width and hight of the picture (in mm) such that it fits into the item frame with the given rotation.
bool	cornerPointOnRotatedAndScaledRect (double &x, double &y, double width, double height) const
	Calculates corner point after rotation and scaling.
void	sizeChangedByRotation (double &width, double &height)
	Calculates width / height of the bounding box of a rotated rectangle (mRotation)
void	rotate (double angle, double &x, double &y) const
	Rotates a point / vector.
QGraphicsLineItem *	hAlignSnapItem ()
	Return horizontal align snap item.
void	deleteHAlignSnapItem ()
QGraphicsLineItem *	vAlignSnapItem ()
	Return vertical align snap item.
void	deleteVAlignSnapItem ()
void	deleteAlignItems ()

Detailed Description

A legend that can be placed onto a map composition.

Definition at line 34 of file qgscomposerlegend.h.

Constructor & Destructor Documentation

QgsComposerLegend::QgsComposerLegend

(

QgsComposition *

composition

)

Definition at line 33 of file qgscomposerlegend.cpp.

References adjustBoxSize(), QgsComposerLegendStyle::Bottom, QgsComposerLegendStyle::Group, QgsComposerLegendStyle::Left, mLegendModel, mlineSpacing, mSymbolHeight, mSymbolWidth, mWrapChar, QgsComposerLegendStyle::rfont(), rstyle(), setStyleMargin(), QgsComposerLegendStyle::Subgroup, QgsComposerLegendStyle::Symbol, QgsComposerLegendStyle::SymbolLabel, synchronizeWithModel(), QgsComposerLegendStyle::Title, and QgsComposerLegendStyle::Top.

QgsComposerLegend::~QgsComposerLegend

(

)

Definition at line 69 of file qgscomposerlegend.cpp.

QgsComposerLegend::QgsComposerLegend ( )

private

Definition at line 64 of file qgscomposerlegend.cpp.

Member Function Documentation

void QgsComposerLegend::adjustBoxSize

(

)

Sets item box to the whole content.

Definition at line 289 of file qgscomposerlegend.cpp.

References paintAndDetermineSize(), QgsDebugMsg, QgsComposerItem::setSceneRect(), and size.

Referenced by QgsComposerLegend(), synchronizeWithModel(), and updateLegend().

double QgsComposerLegend::boxSpace ( ) const

inline

Definition at line 75 of file qgscomposerlegend.h.

int QgsComposerLegend::columnCount ( ) const

inline

Definition at line 93 of file qgscomposerlegend.h.

double QgsComposerLegend::columnSpace ( ) const

inline

Definition at line 78 of file qgscomposerlegend.h.

const QgsComposerMap* QgsComposerLegend::composerMap ( ) const

inline

Definition at line 103 of file qgscomposerlegend.h.

QList< QgsComposerLegend::Atom > QgsComposerLegend::createAtomList ( QStandardItem *  rootItem, bool  splitLayer  )

private

Create list of atoms according to current layer splitting mode.

Definition at line 725 of file qgscomposerlegend.cpp.

References drawGroupItemTitle(), drawLayerItemTitle(), drawSymbolItem(), QgsComposerLegendItem::GroupItem, QgsComposerLegendStyle::Hidden, QgsComposerLegend::Nucleon::item, QgsComposerLegendItem::itemType(), QgsComposerLegendItem::LayerItem, QgsComposerLegendStyle::margin(), mSplitLayer, QgsComposerLegend::Atom::nucleons, QgsComposerLegend::Nucleon::size, QgsComposerLegend::Atom::size, spaceAboveAtom(), QgsComposerLegendItem::style(), style(), QgsComposerLegendStyle::Symbol, QgsComposerLegendStyle::Top, and type().

Referenced by paintAndDetermineSize().

QSizeF QgsComposerLegend::drawAtom ( Atom  atom, QPainter *  painter = 0, QPointF  point = QPointF()  )

private

Draw atom and return its actual size, the atom is drawn with the space above it so that first atoms in column are all aligned to the same line regardles their style top space.

Definition at line 826 of file qgscomposerlegend.cpp.

References drawGroupItemTitle(), drawLayerItemTitle(), drawSymbolItem(), QgsComposerLegendItem::GroupItem, QgsComposerLegendStyle::Hidden, QgsComposerLegend::Nucleon::item, QgsComposerLegendItem::itemType(), QgsComposerLegend::Nucleon::labelXOffset, QgsComposerLegendItem::LayerItem, QgsComposerLegendStyle::margin(), QgsComposerLegend::Atom::nucleons, QgsComposerLegendItem::RasterSymbolItem, size, QgsComposerLegend::Nucleon::size, QgsComposerLegend::Atom::size, QgsComposerLegendItem::style(), style(), QgsComposerLegendStyle::Symbol, QgsComposerLegendItem::SymbologyV2Item, QgsComposerLegendStyle::Top, and type().

Referenced by paintAndDetermineSize().

QSizeF QgsComposerLegend::drawGroupItemTitle ( QgsComposerGroupItem *  groupItem, QPainter *  painter = 0, QPointF  point = QPointF()  )

private

Draws a group item and all subitems Returns list of sizes of layers and groups including this group.

Definition at line 235 of file qgscomposerlegend.cpp.

References QgsComposerItem::drawText(), QgsComposerItem::fontAscentMillimeters(), mFontColor, mlineSpacing, size, splitStringForWrapping(), QgsComposerLegendItem::style(), styleFont(), and QgsComposerItem::textWidthMillimeters().

Referenced by createAtomList(), and drawAtom().

QSizeF QgsComposerLegend::drawLayerItemTitle ( QgsComposerLayerItem *  layerItem, QPainter *  painter = 0, QPointF  point = QPointF()  )

private

Draws a layer item and all subitems.

Definition at line 260 of file qgscomposerlegend.cpp.

References QgsComposerItem::drawText(), QgsComposerItem::fontAscentMillimeters(), mFontColor, mlineSpacing, size, splitStringForWrapping(), QgsComposerLegendItem::style(), styleFont(), and QgsComposerItem::textWidthMillimeters().

Referenced by createAtomList(), and drawAtom().

QgsComposerLegend::Nucleon QgsComposerLegend::drawSymbolItem ( QgsComposerLegendItem *  symbolItem, QPainter *  painter = 0, QPointF  point = QPointF(), double  labelXOffset = 0.  )

private

Definition at line 299 of file qgscomposerlegend.cpp.

References QgsComposerRasterSymbolItem::color(), drawSymbolV2(), QgsComposerItem::drawText(), QgsComposerItem::fontHeightCharacterMM(), QgsMapLayerRegistry::instance(), QgsComposerLegend::Nucleon::item, QgsComposerLegend::Nucleon::labelSize, QgsComposerLayerItem::layerID(), QgsMapLayerRegistry::mapLayer(), mFontColor, mlineSpacing, mSymbolHeight, mSymbolWidth, QgsComposerLegend::Nucleon::size, splitStringForWrapping(), styleFont(), QgsComposerLegendStyle::SymbolLabel, QgsComposerLegend::Nucleon::symbolSize, QgsComposerSymbolV2Item::symbolV2(), and QgsComposerItem::textWidthMillimeters().

Referenced by createAtomList(), and drawAtom().

void QgsComposerLegend::drawSymbolV2 ( QPainter *  p, QgsSymbolV2 *  s, double  currentYCoord, double &  currentXPosition, double &  symbolHeight  ) const

private

Draws a symbol at the current y position and returns the new x position.

Returns real symbol height, because for points, it is possible that it differs from mSymbolHeight

Definition at line 412 of file qgscomposerlegend.cpp.

References QgsSymbolV2::drawPreviewIcon(), QgsSymbolV2::MapUnit, QgsComposerMap::mapUnitsToMM(), mComposerMap, QgsSymbolV2::MM, mSymbolHeight, mSymbolWidth, QgsSymbolV2::outputUnit(), rasterScaleFactor, QgsSymbolV2::setOutputUnit(), QgsMarkerSymbolV2::setSize(), size, and QgsMarkerSymbolV2::size().

Referenced by drawSymbolItem().

QSizeF QgsComposerLegend::drawTitle ( QPainter *  painter = 0, QPointF  point = QPointF(), Qt::AlignmentFlag  halignment = Qt::AlignLeft  )

private

Definition at line 198 of file qgscomposerlegend.cpp.

References QgsComposerItem::drawText(), QgsComposerItem::fontAscentMillimeters(), QgsComposerItem::fontDescentMillimeters(), mFontColor, mlineSpacing, mTitle, size, splitStringForWrapping(), styleFont(), QgsComposerItem::textWidthMillimeters(), and QgsComposerLegendStyle::Title.

Referenced by paintAndDetermineSize().

int QgsComposerLegend::equalColumnWidth ( ) const

inline

Definition at line 99 of file qgscomposerlegend.h.

QColor QgsComposerLegend::fontColor ( ) const

inline

Definition at line 81 of file qgscomposerlegend.h.

void QgsComposerLegend::invalidateCurrentMap ( )

slot

Sets mCompositionMap to 0 if the map is deleted.

Definition at line 705 of file qgscomposerlegend.cpp.

References mComposerMap.

Referenced by setComposerMap().

QStringList QgsComposerLegend::layerIdList ( ) const

private

Helper function that lists ids of layers contained in map canvas.

Definition at line 494 of file qgscomposerlegend.cpp.

References QgsMapRenderer::layerSet(), QgsComposition::mapRenderer(), and QgsComposerItem::mComposition.

Referenced by updateLegend().

QgsLegendModel* QgsComposerLegend::model ( )

inline

Returns pointer to the legend model.

Definition at line 55 of file qgscomposerlegend.h.

void QgsComposerLegend::paint	(	QPainter *	painter,
		const QStyleOptionGraphicsItem *	itemStyle,
		QWidget *	pWidget
	)

Reimplementation of QCanvasItem::paint.

Definition at line 74 of file qgscomposerlegend.cpp.

References paintAndDetermineSize().

QSizeF QgsComposerLegend::paintAndDetermineSize

(

QPainter *

painter

)

Paints the legend and calculates its size.

If painter is 0, only size is calculated

Definition at line 81 of file qgscomposerlegend.cpp.

References QgsComposerLegendStyle::Bottom, QgsComposerLegend::Atom::column, createAtomList(), drawAtom(), QgsComposerItem::drawBackground(), QgsComposerItem::drawFrame(), QgsComposerItem::drawSelectionBoxes(), drawTitle(), QgsComposerLegendStyle::margin(), mBoxSpace, mColumnCount, mColumnSpace, mEqualColumnWidth, mLegendModel, mSplitLayer, mTitle, setColumns(), QgsComposerItem::setSceneRect(), size, QgsComposerLegend::Atom::size, spaceAboveAtom(), style(), and QgsComposerLegendStyle::Title.

Referenced by adjustBoxSize(), and paint().

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

virtual

sets state from Dom document

Parameters

itemElem	is Dom node corresponding to item tag
doc	is Dom document

Implements QgsComposerItem.

Definition at line 581 of file qgscomposerlegend.cpp.

References QgsComposerItem::_readXML(), QgsComposition::getComposerMapById(), QgsComposerLegendStyle::Group, QgsComposerItem::itemChanged(), mBoxSpace, mColumnCount, mColumnSpace, mComposerMap, QgsComposerItem::mComposition, mEqualColumnWidth, mFontColor, mLegendModel, mSplitLayer, mSymbolHeight, mSymbolWidth, mTitle, mWrapChar, QgsComposerLegendStyle::readXML(), QgsLegendModel::readXML(), QgsComposerLegendStyle::rfont(), rstyle(), QgsComposerLegendStyle::setMargin(), setStyle(), style(), QgsComposerLegendStyle::Subgroup, QgsComposerLegendStyle::Symbol, QgsComposerLegendStyle::SymbolLabel, QgsComposerLegendStyle::Title, and QgsComposerLegendStyle::Top.

Referenced by QgsComposition::addItemsFromXML().

QgsComposerLegendStyle& QgsComposerLegend::rstyle ( QgsComposerLegendStyle::Style  s )

inline

Returns reference to modifiable style.

Definition at line 62 of file qgscomposerlegend.h.

Referenced by QgsComposerLegend(), readXML(), setStyleFont(), and setStyleMargin().

void QgsComposerLegend::setBoxSpace ( double  s )

inline

Definition at line 76 of file qgscomposerlegend.h.

void QgsComposerLegend::setColumnCount ( int  c )

inline

Definition at line 94 of file qgscomposerlegend.h.

void QgsComposerLegend::setColumns ( QList< Atom > &  atomList )

private

Divide atoms to columns and set columns on atoms.

Definition at line 909 of file qgscomposerlegend.cpp.

References QgsComposerLegendItem::itemType(), QgsComposerLegendStyle::Left, QgsComposerLegendStyle::margin(), mColumnCount, QgsComposerLegendItem::RasterSymbolItem, QgsComposerLegendStyle::Right, QgsComposerLegend::Atom::size, spaceAboveAtom(), style(), QgsComposerLegendStyle::Symbol, QgsComposerLegendStyle::SymbolLabel, QgsComposerLegendItem::SymbologyV2Item, and type().

Referenced by paintAndDetermineSize().

void QgsComposerLegend::setColumnSpace ( double  s )

inline

Definition at line 79 of file qgscomposerlegend.h.

void QgsComposerLegend::setComposerMap

(

const QgsComposerMap *

map

)

Definition at line 696 of file qgscomposerlegend.cpp.

References invalidateCurrentMap(), and mComposerMap.

Referenced by QgsComposition::addComposerLegend().

void QgsComposerLegend::setEqualColumnWidth ( bool  s )

inline

Definition at line 100 of file qgscomposerlegend.h.

void QgsComposerLegend::setFontColor ( const QColor &  c )

inline

Definition at line 82 of file qgscomposerlegend.h.

void QgsComposerLegend::setSplitLayer ( bool  s )

inline

Definition at line 97 of file qgscomposerlegend.h.

void QgsComposerLegend::setStyle ( QgsComposerLegendStyle::Style  s, const QgsComposerLegendStyle  style  )

inline

Definition at line 65 of file qgscomposerlegend.h.

Referenced by readXML().

void QgsComposerLegend::setStyleFont	(	QgsComposerLegendStyle::Style	s,
		const QFont &	f
	)

Set style font.

Definition at line 515 of file qgscomposerlegend.cpp.

References rstyle(), and QgsComposerLegendStyle::setFont().

void QgsComposerLegend::setStyleMargin	(	QgsComposerLegendStyle::Style	s,
		double	margin
	)

Set style margin.

Definition at line 520 of file qgscomposerlegend.cpp.

References rstyle(), and QgsComposerLegendStyle::setMargin().

Referenced by QgsComposerLegend().

void QgsComposerLegend::setStyleMargin	(	QgsComposerLegendStyle::Style	s,
		QgsComposerLegendStyle::Side	side,
		double	margin
	)

Definition at line 525 of file qgscomposerlegend.cpp.

References rstyle(), and QgsComposerLegendStyle::setMargin().

void QgsComposerLegend::setSymbolHeight ( double  h )

inline

Definition at line 88 of file qgscomposerlegend.h.

void QgsComposerLegend::setSymbolWidth ( double  w )

inline

Definition at line 85 of file qgscomposerlegend.h.

void QgsComposerLegend::setTitle ( const QString &  t )

inline

Definition at line 58 of file qgscomposerlegend.h.

void QgsComposerLegend::setWrapChar ( const QString &  t )

inline

Definition at line 90 of file qgscomposerlegend.h.

double QgsComposerLegend::spaceAboveAtom ( Atom  atom )

private

Definition at line 880 of file qgscomposerlegend.cpp.

References QgsComposerLegendItem::GroupItem, QgsComposerLegend::Nucleon::item, QgsComposerLegendItem::itemType(), QgsComposerLegendItem::LayerItem, QgsComposerLegendStyle::margin(), QgsComposerLegend::Atom::nucleons, QgsComposerLegendItem::RasterSymbolItem, QgsComposerLegendItem::style(), style(), QgsComposerLegendStyle::Symbol, QgsComposerLegendItem::SymbologyV2Item, QgsComposerLegendStyle::Top, and type().

Referenced by createAtomList(), paintAndDetermineSize(), and setColumns().

int QgsComposerLegend::splitLayer ( ) const

inline

Definition at line 96 of file qgscomposerlegend.h.

QStringList QgsComposerLegend::splitStringForWrapping ( QString  stringToSplt )

private

Splits a string using the wrap char taking into account handling empty wrap char which means no wrapping.

Definition at line 714 of file qgscomposerlegend.cpp.

References mWrapChar.

Referenced by drawGroupItemTitle(), drawLayerItemTitle(), drawSymbolItem(), and drawTitle().

QgsComposerLegendStyle QgsComposerLegend::style ( QgsComposerLegendStyle::Style  s ) const

inline

Returns style.

Definition at line 64 of file qgscomposerlegend.h.

Referenced by createAtomList(), drawAtom(), paintAndDetermineSize(), readXML(), setColumns(), spaceAboveAtom(), and writeXML().

QFont QgsComposerLegend::styleFont ( QgsComposerLegendStyle::Style  s ) const

inline

Definition at line 67 of file qgscomposerlegend.h.

Referenced by drawGroupItemTitle(), drawLayerItemTitle(), drawSymbolItem(), and drawTitle().

double QgsComposerLegend::symbolHeight ( ) const

inline

Definition at line 87 of file qgscomposerlegend.h.

double QgsComposerLegend::symbolWidth ( ) const

inline

Definition at line 84 of file qgscomposerlegend.h.

void QgsComposerLegend::synchronizeWithModel ( )

slot

Data changed.

Definition at line 508 of file qgscomposerlegend.cpp.

References adjustBoxSize(), and QgsDebugMsg.

Referenced by QgsComposerLegend().

QString QgsComposerLegend::title ( ) const

inline

Definition at line 59 of file qgscomposerlegend.h.

virtual int QgsComposerLegend::type ( ) const

inlinevirtual

return correct graphics item type.

Added in v1.7

Reimplemented from QgsComposerItem.

Definition at line 43 of file qgscomposerlegend.h.

References QgsComposerItem::ComposerLegend.

Referenced by createAtomList(), drawAtom(), setColumns(), and spaceAboveAtom().

void QgsComposerLegend::updateLegend

(

)

Updates the model and all legend entries.

Definition at line 530 of file qgscomposerlegend.cpp.

References adjustBoxSize(), layerIdList(), mLegendModel, and QgsLegendModel::setLayerSet().

Referenced by QgsComposerView::mousePressEvent().

QString QgsComposerLegend::wrapChar ( ) const

inline

Definition at line 91 of file qgscomposerlegend.h.

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

virtual

stores state in Dom node

Parameters

elem	is Dom element corresponding to 'Composer' tag
doc	Dom document

Implements QgsComposerItem.

Definition at line 537 of file qgscomposerlegend.cpp.

References QgsComposerItem::_writeXML(), QgsComposerLegendStyle::Group, QgsComposerMap::id(), mBoxSpace, mColumnCount, mColumnSpace, mComposerMap, mEqualColumnWidth, mFontColor, mLegendModel, mSplitLayer, mSymbolHeight, mSymbolWidth, mTitle, mWrapChar, style(), QgsComposerLegendStyle::Subgroup, QgsComposerLegendStyle::Symbol, QgsComposerLegendStyle::SymbolLabel, QgsComposerLegendStyle::Title, QgsComposerLegendStyle::writeXML(), and QgsLegendModel::writeXML().

Member Data Documentation

qreal QgsComposerLegend::mBoxSpace

protected

Space between item box and contents.

Definition at line 133 of file qgscomposerlegend.h.

Referenced by paintAndDetermineSize(), readXML(), and writeXML().

int QgsComposerLegend::mColumnCount

protected

Number of legend columns.

Definition at line 146 of file qgscomposerlegend.h.

Referenced by paintAndDetermineSize(), readXML(), setColumns(), and writeXML().

double QgsComposerLegend::mColumnSpace

protected

Space between columns.

Definition at line 135 of file qgscomposerlegend.h.

Referenced by paintAndDetermineSize(), readXML(), and writeXML().

const QgsComposerMap* QgsComposerLegend::mComposerMap

protected

Reference to map (because symbols are sometimes in map units)

Definition at line 151 of file qgscomposerlegend.h.

Referenced by drawSymbolV2(), invalidateCurrentMap(), readXML(), setComposerMap(), and writeXML().

bool QgsComposerLegend::mEqualColumnWidth

protected

Use the same width (maximum) for all columns.

Definition at line 157 of file qgscomposerlegend.h.

Referenced by paintAndDetermineSize(), readXML(), and writeXML().

QColor QgsComposerLegend::mFontColor

protected

Definition at line 130 of file qgscomposerlegend.h.

Referenced by drawGroupItemTitle(), drawLayerItemTitle(), drawSymbolItem(), drawTitle(), readXML(), and writeXML().

QgsLegendModel QgsComposerLegend::mLegendModel

protected

Definition at line 148 of file qgscomposerlegend.h.

Referenced by paintAndDetermineSize(), QgsComposerLegend(), readXML(), updateLegend(), and writeXML().

double QgsComposerLegend::mlineSpacing

protected

Spacing between lines when wrapped.

Definition at line 143 of file qgscomposerlegend.h.

Referenced by drawGroupItemTitle(), drawLayerItemTitle(), drawSymbolItem(), drawTitle(), and QgsComposerLegend().

bool QgsComposerLegend::mSplitLayer

protected

Allow splitting layers into multiple columns.

Definition at line 154 of file qgscomposerlegend.h.

Referenced by createAtomList(), paintAndDetermineSize(), readXML(), and writeXML().

QMap<QgsComposerLegendStyle::Style, QgsComposerLegendStyle> QgsComposerLegend::mStyleMap

private

Definition at line 235 of file qgscomposerlegend.h.

double QgsComposerLegend::mSymbolHeight

protected

Height of symbol icon.

Definition at line 140 of file qgscomposerlegend.h.

Referenced by drawSymbolItem(), drawSymbolV2(), QgsComposerLegend(), readXML(), and writeXML().

double QgsComposerLegend::mSymbolWidth

protected

Width of symbol icon.

Definition at line 138 of file qgscomposerlegend.h.

Referenced by drawSymbolItem(), drawSymbolV2(), QgsComposerLegend(), readXML(), and writeXML().

QString QgsComposerLegend::mTitle

protected

Definition at line 127 of file qgscomposerlegend.h.

Referenced by drawTitle(), paintAndDetermineSize(), readXML(), and writeXML().

QString QgsComposerLegend::mWrapChar

protected

Definition at line 128 of file qgscomposerlegend.h.

Referenced by QgsComposerLegend(), readXML(), splitStringForWrapping(), and writeXML().

---

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

• /tmp/buildd/qgis-2.0.1/src/core/composer/qgscomposerlegend.h
• /tmp/buildd/qgis-2.0.1/src/core/composer/qgscomposerlegend.cpp