QgsComposerMergeCommand Class Reference

A composer command that merges together with other commands having the same context (=id). More...

#include <qgscomposeritemcommand.h>

Inheritance diagram for QgsComposerMergeCommand:

Collaboration diagram for QgsComposerMergeCommand:

Public Types

enum

Context {   Unknown = 0, ComposerLabelSetText, ComposerLabelSetId, ComposerLabelRotation,   ComposerMapRotation, ComposerMapAnnotationDistance, ComposerLegendText, LegendColumnCount,   LegendSplitLayer, LegendEqualColumnWidth, LegendSymbolWidth, LegendSymbolHeight,   LegendTitleSpaceBottom, LegendGroupSpace, LegendLayerSpace, LegendSymbolSpace,   LegendIconSymbolSpace, LegendBoxSpace, LegendColumnSpace, ComposerPictureRotation,   ScaleBarLineWidth, ScaleBarHeight, ScaleBarSegmentSize, ScaleBarSegmentsLeft,   ScaleBarNSegments, ScaleBarUnitText, ScaleBarMapUnitsSegment, ScaleBarLabelBarSize,   ScaleBarBoxContentSpace, TableMaximumFeatures, TableMargin, TableGridStrokeWidth,   ShapeRotation, ShapeOutlineWidth, ArrowOutlineWidth, ArrowHeadWidth,   ItemOutlineWidth, ItemMove }

Public Member Functions
	QgsComposerMergeCommand (Context c, QgsComposerItem *item, const QString &text)
	~QgsComposerMergeCommand ()
bool	mergeWith (const QUndoCommand *command)
int	id () const
Public Member Functions inherited from QgsComposerItemCommand
	QgsComposerItemCommand (QgsComposerItem *item, const QString &text, QUndoCommand *parent=0)
virtual	~QgsComposerItemCommand ()
void	undo ()
	Reverses the command.
void	redo ()
	Replays the command.
void	savePreviousState ()
	Saves current item state as previous state.
void	saveAfterState ()
	Saves current item state as after state.
QDomDocument	previousState () const
QDomDocument	afterState () const
bool	containsChange () const
	Returns true if previous state and after state are valid and different.
const QgsComposerItem *	item () const

Private Attributes
Context	mContext

Additional Inherited Members
Protected Member Functions inherited from QgsComposerItemCommand
void	saveState (QDomDocument &stateDoc) const
void	restoreState (QDomDocument &stateDoc) const
Protected Attributes inherited from QgsComposerItemCommand
QgsComposerItem *	mItem
	Target item of the command.
QDomDocument	mPreviousState
	XML that saves the state before executing the command.
QDomDocument	mAfterState
	XML containing the state after executing the command.
bool	mFirstRun
	Flag to prevent the first redo() if the command is pushed to the undo stack.

Detailed Description

A composer command that merges together with other commands having the same context (=id).

Keeps the oldest previous state and uses the newest after state. The purpose is to avoid too many micro changes in the history

Definition at line 68 of file qgscomposeritemcommand.h.

Member Enumeration Documentation

enum QgsComposerMergeCommand::Context

Enumerator:

Unknown
ComposerLabelSetText
ComposerLabelSetId
ComposerLabelRotation
ComposerMapRotation
ComposerMapAnnotationDistance
ComposerLegendText
LegendColumnCount
LegendSplitLayer
LegendEqualColumnWidth
LegendSymbolWidth
LegendSymbolHeight
LegendTitleSpaceBottom
LegendGroupSpace
LegendLayerSpace
LegendSymbolSpace
LegendIconSymbolSpace
LegendBoxSpace
LegendColumnSpace
ComposerPictureRotation
ScaleBarLineWidth
ScaleBarHeight
ScaleBarSegmentSize
ScaleBarSegmentsLeft
ScaleBarNSegments
ScaleBarUnitText
ScaleBarMapUnitsSegment
ScaleBarLabelBarSize
ScaleBarBoxContentSpace
TableMaximumFeatures
TableMargin
TableGridStrokeWidth
ShapeRotation
ShapeOutlineWidth
ArrowOutlineWidth
ArrowHeadWidth
ItemOutlineWidth
ItemMove

Definition at line 71 of file qgscomposeritemcommand.h.

Constructor & Destructor Documentation

QgsComposerMergeCommand::QgsComposerMergeCommand	(	Context	c,
		QgsComposerItem *	item,
		const QString &	text
	)

Definition at line 82 of file qgscomposeritemcommand.cpp.

QgsComposerMergeCommand::~QgsComposerMergeCommand

(

)

Definition at line 86 of file qgscomposeritemcommand.cpp.

Member Function Documentation

int QgsComposerMergeCommand::id ( ) const

inline

Definition at line 126 of file qgscomposeritemcommand.h.

bool QgsComposerMergeCommand::mergeWith

(

const QUndoCommand *

command

)

Definition at line 90 of file qgscomposeritemcommand.cpp.

References QgsComposerItemCommand::afterState(), QgsComposerItemCommand::item(), QgsComposerItemCommand::mAfterState, and QgsComposerItemCommand::mItem.

Member Data Documentation

Context QgsComposerMergeCommand::mContext

private

Definition at line 129 of file qgscomposeritemcommand.h.

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

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