/**
* @param mapping
* @param forceDeleteOrgColor
*/
public DeleteMappingCommand(Mapping mapping, boolean forceDeleteOrgColor) {
this.mapping = mapping;
NodeLayout originLayout = HenshinLayoutUtil.INSTANCE.getLayout(mapping.getOrigin());
NodeLayout imageLayout = HenshinLayoutUtil.INSTANCE.getLayout(mapping.getImage());
List<Mapping> originMappings =
ModelUtil.getReferences(
mapping.getOrigin(),
Mapping.class,
HenshinUtil.INSTANCE.getTransformationSystem(mapping),
HenshinPackage.Literals.MAPPING__ORIGIN);
originMappings.remove(mapping);
if (originMappings.isEmpty() || forceDeleteOrgColor) {
add(
new SimpleSetEFeatureCommand<NodeLayout, Integer>(
originLayout, 0, HenshinLayoutPackage.Literals.NODE_LAYOUT__COLOR));
}
add(
new SimpleSetEFeatureCommand<NodeLayout, Integer>(
imageLayout, 0, HenshinLayoutPackage.Literals.NODE_LAYOUT__COLOR));
add(new SimpleDeleteEObjectCommand(mapping));
}
@Override
public boolean canExecute() {
if (!HenshinLayoutUtil.INSTANCE.hasOriginInKernelRule(mapping.getOrigin())
&& HenshinLayoutUtil.INSTANCE.hasOriginInKernelRule(mapping.getImage())) return false;
return super.canExecute();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gef.commands.Command#canExecute()
*/
@Override
public boolean canExecute() {
return node != null
&& attribute != null
&& !HenshinLayoutUtil.INSTANCE.hasOriginInKernelRule(node);
}