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java.lang.Objectorg.eclipse.graphiti.features.impl.AbstractFeature
org.eclipse.graphiti.features.impl.AbstractUpdateFeature
org.eclipse.graphiti.pattern.UpdateFeatureForPattern
public class UpdateFeatureForPattern
This feature wraps the update functionality of a pattern for calls of the Graphiti framework. Clients should not need to use this class directly.
Field Summary | |
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private IUpdate |
pattern
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Constructor Summary | |
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UpdateFeatureForPattern(IFeatureProvider featureProvider,
IUpdate pattern)
Creates a new UpdateFeatureForPattern . |
Method Summary | |
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boolean |
canRedo(IContext context)
Decides if the processed feature can be re-done. |
boolean |
canUndo(IContext context)
Decides if the current feature can be undone - this is the undo of the execute operation. |
boolean |
canUpdate(IUpdateContext context)
Checks whether the values of the current pictogram element of the given context can be updated. |
void |
redo(IContext context)
This method will be called to actually do the work needed for redo. |
void |
undo(IContext context)
This method will be called to actually do the work needed for undo. |
boolean |
update(IUpdateContext context)
Updates the pictogram element. |
IReason |
updateNeeded(IUpdateContext context)
Check whether the values in the pictogram element are up to date, that means whether the graphics algorithm of this pictogram element contain the latest values from the business objects. |
Methods inherited from class org.eclipse.graphiti.features.impl.AbstractUpdateFeature |
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canExecute, canUpdatePictogramElement, execute, getDescription, getName, resizeShape, updatePictogramElement, updatePictogramElementNeeded |
Methods inherited from class org.eclipse.graphiti.features.impl.AbstractFeature |
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addGraphicalRepresentation, getAllBusinessObjectsForPictogramElement, getBusinessObjectForPictogramElement, getDiagram, getDiagramBehavior, getDiagramEditor, getFeatureProvider, getProgressCallback, getUserDecision, hasDoneChanges, isAvailable, layoutPictogramElement, link, link, manageColor, manageColor, manageDefaultFont, manageFont, manageFont, setProgressCallback, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.eclipse.graphiti.features.IFeature |
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hasDoneChanges, isAvailable |
Methods inherited from interface org.eclipse.graphiti.features.IFeatureProviderHolder |
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getFeatureProvider |
Field Detail |
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private IUpdate pattern
Constructor Detail |
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public UpdateFeatureForPattern(IFeatureProvider featureProvider, IUpdate pattern)
UpdateFeatureForPattern
.
featureProvider
- the feature providerpattern
- the patternMethod Detail |
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public boolean canUpdate(IUpdateContext context)
IUpdate
canUpdate
in interface IUpdate
context
- the context
public IReason updateNeeded(IUpdateContext context)
IUpdate
updateNeeded
in interface IUpdate
context
- the context
public boolean update(IUpdateContext context)
IUpdate
update
in interface IUpdate
context
- the context
public boolean canUndo(IContext context)
IFeature
canUndo
in interface ICustomUndoableFeature
canUndo
in interface IFeature
canUndo
in class AbstractFeature
context
- this is the general input for this method
IContext
public void undo(IContext context)
ICustomUndoableFeature
undo
in interface ICustomUndoableFeature
context
- this is the instance of the IContext
object that was
in use when executing the featurepublic boolean canRedo(IContext context)
ICustomUndoableFeature
Note that as soon as any feature reports false
here, also
all consecutive entries in the command stack are no longer reachable for
redo.
canRedo
in interface ICustomUndoableFeature
context
- this is the instance of the IContext
object that was
in use when executing the feature
public void redo(IContext context)
ICustomUndoableFeature
redo
in interface ICustomUndoableFeature
context
- this is the instance of the IContext
object that was
in use when executing the feature
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