public class AddSnapToStrategyOperation extends org.eclipse.core.commands.operations.AbstractOperation implements ITransactionalOperation
RemoveSnapToStrategyOperation
can be used to add an
ISnapToStrategy
to the list of supported strategies that is managed
by the SnappingModel
.Constructor and Description |
---|
AddSnapToStrategyOperation(SnappingModel model,
org.eclipse.gef.mvc.fx.handlers.ISnapToStrategy strategy)
Constructs a new
AddSnapToStrategyOperation that will add the
given ISnapToStrategy to the list of supported strategies within
the given SnappingModel . |
Modifier and Type | Method and Description |
---|---|
org.eclipse.core.runtime.IStatus |
execute(org.eclipse.core.runtime.IProgressMonitor monitor,
org.eclipse.core.runtime.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). |
org.eclipse.core.runtime.IStatus |
redo(org.eclipse.core.runtime.IProgressMonitor monitor,
org.eclipse.core.runtime.IAdaptable info) |
org.eclipse.core.runtime.IStatus |
undo(org.eclipse.core.runtime.IProgressMonitor monitor,
org.eclipse.core.runtime.IAdaptable info) |
addContext, canExecute, canRedo, canUndo, dispose, getContexts, getLabel, hasContext, removeContext, setLabel, toString
public AddSnapToStrategyOperation(SnappingModel model, org.eclipse.gef.mvc.fx.handlers.ISnapToStrategy strategy)
AddSnapToStrategyOperation
that will add the
given ISnapToStrategy
to the list of supported strategies within
the given SnappingModel
.model
- The SnappingModel
that is manipulated.strategy
- The ISnapToStrategy
that is added.public org.eclipse.core.runtime.IStatus execute(org.eclipse.core.runtime.IProgressMonitor monitor, org.eclipse.core.runtime.IAdaptable info) throws org.eclipse.core.commands.ExecutionException
execute
in interface org.eclipse.core.commands.operations.IUndoableOperation
execute
in class org.eclipse.core.commands.operations.AbstractOperation
org.eclipse.core.commands.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
relevance 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 org.eclipse.core.runtime.IStatus redo(org.eclipse.core.runtime.IProgressMonitor monitor, org.eclipse.core.runtime.IAdaptable info) throws org.eclipse.core.commands.ExecutionException
redo
in interface org.eclipse.core.commands.operations.IUndoableOperation
redo
in class org.eclipse.core.commands.operations.AbstractOperation
org.eclipse.core.commands.ExecutionException
public org.eclipse.core.runtime.IStatus undo(org.eclipse.core.runtime.IProgressMonitor monitor, org.eclipse.core.runtime.IAdaptable info) throws org.eclipse.core.commands.ExecutionException
undo
in interface org.eclipse.core.commands.operations.IUndoableOperation
undo
in class org.eclipse.core.commands.operations.AbstractOperation
org.eclipse.core.commands.ExecutionException
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