Class ChangeSelectionOperation
- java.lang.Object
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- org.eclipse.core.commands.operations.AbstractOperation
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- org.eclipse.gef.mvc.fx.operations.ChangeSelectionOperation
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- All Implemented Interfaces:
IUndoableOperation
,ITransactionalOperation
public class ChangeSelectionOperation extends AbstractOperation implements ITransactionalOperation
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
DEFAULT_LABEL
"change-selection"
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Constructor Summary
Constructors Constructor Description ChangeSelectionOperation(java.lang.String label, IViewer viewer, java.util.List<? extends IContentPart<? extends javafx.scene.Node>> finalSelection)
Creates a newChangeSelectionOperation
to change the selection.ChangeSelectionOperation(IViewer viewer, java.util.List<? extends IContentPart<? extends javafx.scene.Node>> finalSelection)
Creates a newChangeSelectionOperation
to change the selection within the givenIViewer
by removing the givenIContentPart
s.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description IStatus
execute(IProgressMonitor monitor, IAdaptable info)
protected SelectionModel
getSelectionModel()
Returns theSelectionModel
adapted to the viewer.java.util.List<IContentPart<? extends javafx.scene.Node>>
getToBeDeselected()
Returns the parts that are to be deleted.boolean
isContentRelevant()
Returnstrue
if thisITransactionalOperation
is actually changing model data (instead of only affecting the visualization).boolean
isNoOp()
Returnstrue
if thisITransactionalOperation
has no effect (in comparison to its initial state).IStatus
redo(IProgressMonitor monitor, IAdaptable info)
IStatus
undo(IProgressMonitor monitor, IAdaptable info)
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Methods inherited from class org.eclipse.core.commands.operations.AbstractOperation
addContext, canExecute, canRedo, canUndo, dispose, getContexts, getLabel, hasContext, removeContext, setLabel, toString
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.eclipse.core.commands.operations.IUndoableOperation
addContext, canExecute, canRedo, canUndo, dispose, getContexts, getLabel, hasContext, removeContext
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Field Detail
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DEFAULT_LABEL
public static final java.lang.String DEFAULT_LABEL
"change-selection"
The default label for this operation (i.e. used if no label is specified).- See Also:
- Constant Field Values
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Constructor Detail
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ChangeSelectionOperation
public ChangeSelectionOperation(IViewer viewer, java.util.List<? extends IContentPart<? extends javafx.scene.Node>> finalSelection)
Creates a newChangeSelectionOperation
to change the selection within the givenIViewer
by removing the givenIContentPart
s. TheDEFAULT_LABEL
is used.- Parameters:
viewer
- TheIViewer
for which the selection is changed.finalSelection
- TheIContentPart
s that are to be selected.
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ChangeSelectionOperation
public ChangeSelectionOperation(java.lang.String label, IViewer viewer, java.util.List<? extends IContentPart<? extends javafx.scene.Node>> finalSelection)
Creates a newChangeSelectionOperation
to change the selection.- Parameters:
label
- The operation's label.viewer
- TheIViewer
for which the selection is changed.finalSelection
- TheIContentPart
s that are to be selected.
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Method Detail
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execute
public IStatus execute(IProgressMonitor monitor, IAdaptable info) throws ExecutionException
- Specified by:
execute
in interfaceIUndoableOperation
- Specified by:
execute
in classAbstractOperation
- Throws:
ExecutionException
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getSelectionModel
protected SelectionModel getSelectionModel()
Returns theSelectionModel
adapted to the viewer.- Returns:
- The
SelectionModel
adapter.
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getToBeDeselected
public java.util.List<IContentPart<? extends javafx.scene.Node>> getToBeDeselected()
Returns the parts that are to be deleted.- Returns:
- A reference to the to be deleted
IContentPart
s.
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isContentRelevant
public boolean isContentRelevant()
Description copied from interface:ITransactionalOperation
Returnstrue
if thisITransactionalOperation
is actually changing model data (instead of only affecting the visualization). Otherwise returnsfalse
. The content relevance of anITransactionalOperation
can be checked to determine if the execution of the operation will affect the model, for example, to set an editor's dirty flag.- Specified by:
isContentRelevant
in interfaceITransactionalOperation
- Returns:
true
if thisITransactionalOperation
is actually changing model data, otherwisefalse
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isNoOp
public boolean isNoOp()
Description copied from interface:ITransactionalOperation
Returnstrue
if thisITransactionalOperation
has no effect (in comparison to its initial state). Otherwise returnsfalse
.- Specified by:
isNoOp
in interfaceITransactionalOperation
- Returns:
true
if thisITransactionalOperation
has no effect, otherwisefalse
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redo
public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException
- Specified by:
redo
in interfaceIUndoableOperation
- Specified by:
redo
in classAbstractOperation
- Throws:
ExecutionException
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undo
public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException
- Specified by:
undo
in interfaceIUndoableOperation
- Specified by:
undo
in classAbstractOperation
- Throws:
ExecutionException
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