VR
- The visual root node of the UI toolkit, e.g. javafx.scene.Node in
case of JavaFX.public class RemoveContentChildOperation<VR> extends AbstractOperation implements ITransactionalOperation
RemoveContentChildOperation
uses the IContentPart
API to
remove a content object from an IContentPart
.Constructor and Description |
---|
RemoveContentChildOperation(IContentPart<VR,? extends VR> parent,
java.lang.Object contentChild)
Creates a new
RemoveContentChildOperation for removing the given
contentChild Object from the content children of the given
parent IContentPart . |
Modifier and Type | Method and Description |
---|---|
IStatus |
execute(IProgressMonitor monitor,
IAdaptable info) |
boolean |
isContentRelevant()
Returns
true if this ITransactionalOperation is
actually changing model data (instead of only affecting the
visualization). |
boolean |
isNoOp()
Returns
true if this ITransactionalOperation has no
effect (in comparison to its initial state). |
IStatus |
redo(IProgressMonitor monitor,
IAdaptable info) |
IStatus |
undo(IProgressMonitor monitor,
IAdaptable info) |
addContext, canExecute, canRedo, canUndo, dispose, getContexts, getLabel, hasContext, removeContext, setLabel, toString
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
addContext, canExecute, canRedo, canUndo, dispose, getContexts, getLabel, hasContext, removeContext
public RemoveContentChildOperation(IContentPart<VR,? extends VR> parent, java.lang.Object contentChild)
RemoveContentChildOperation
for removing the given
contentChild Object
from the content children of the given
parent IContentPart
.parent
- The IContentPart
from which a content child is to be
removed.contentChild
- The content Object
which is to be removed from the
content children of the parent.public IStatus execute(IProgressMonitor monitor, IAdaptable info) throws ExecutionException
execute
in interface IUndoableOperation
execute
in class AbstractOperation
ExecutionException
public boolean isContentRelevant()
ITransactionalOperation
true
if this ITransactionalOperation
is
actually changing model data (instead of only affecting the
visualization). Otherwise returns false
. The content
relevancy of an ITransactionalOperation
can be checked to
determine if the execution of the operation will affect the model, for
example, to set an editor's dirty flag.isContentRelevant
in interface ITransactionalOperation
true
if this ITransactionalOperation
is
actually changing model data, otherwise false
.public boolean isNoOp()
ITransactionalOperation
true
if this ITransactionalOperation
has no
effect (in comparison to its initial state). Otherwise returns
false
.isNoOp
in interface ITransactionalOperation
true
if this ITransactionalOperation
has no
effect, otherwise false
.public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException
redo
in interface IUndoableOperation
redo
in class AbstractOperation
ExecutionException
public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException
undo
in interface IUndoableOperation
undo
in class AbstractOperation
ExecutionException
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