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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:
Inheritance graph
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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
 
bool mergeWith (const QUndoCommand *command)
 
- 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. More...
 
QgsComposerItemitem () const
 Returns the target item the command applies to. More...
 
QDomDocument previousState () const
 
void redo ()
 Replays the command. More...
 
void saveAfterState ()
 Saves current item state as after state. More...
 
void savePreviousState ()
 Saves current item state as previous state. More...
 
void undo ()
 Reverses the command. More...
 

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. More...
 
bool mFirstRun
 Flag to prevent the first redo() if the command is pushed to the undo stack. More...
 
int mFrameNumber
 
QgsComposerItemmItem
 Target item of the command. More...
 
QgsComposerMultiFramemMultiFrame
 Parameters for frame items. More...
 
QDomDocument mPreviousState
 XML that saves the state before executing the command. More...
 

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

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 

Definition at line 80 of file qgscomposeritemcommand.h.

Constructor & Destructor Documentation

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

Definition at line 128 of file qgscomposeritemcommand.cpp.

QgsComposerMergeCommand::~QgsComposerMergeCommand ( )

Definition at line 134 of file qgscomposeritemcommand.cpp.

Member Function Documentation

int QgsComposerMergeCommand::id ( ) const
inline

Definition at line 139 of file qgscomposeritemcommand.h.

bool QgsComposerMergeCommand::mergeWith ( const QUndoCommand *  command)

Definition at line 138 of file qgscomposeritemcommand.cpp.


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