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

#include <qgscomposeritemcommand.h>

Inheritance diagram for QgsComposerMergeCommand:

Public Types

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

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

Additional Inherited Members
Protected Member Functions inherited from QgsComposerItemCommand
void	restoreState (QDomDocument &stateDoc) const
void	saveState (QDomDocument &stateDoc) const
Protected Attributes inherited from QgsComposerItemCommand
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.
int	mFrameNumber
QgsComposerItem *	mItem
	Target item of the command.
QgsComposerMultiFrame *	mMultiFrame
	Parameters for frame items.
QDomDocument	mPreviousState
	XML that saves the state before executing the command.

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 77 of file qgscomposeritemcommand.h.

Member Enumeration Documentation

enum QgsComposerMergeCommand::Context

Enumerator:

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