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/*****************************************************************************
* Copyright (c) 2011 CEA LIST.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
* Nicolas FAUVERGUE (CEA LIST) nicolas.fauvergue@cea.fr - Bug 515967
*****************************************************************************/
package org.eclipse.papyrus.uml.properties.widgets;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.eclipse.gef.EditPart;
import org.eclipse.papyrus.infra.gmfdiag.common.editpolicies.IMaskManagedLabelEditPolicy;
import org.eclipse.papyrus.infra.gmfdiag.common.editpolicies.IndirectMaskLabelEditPolicy;
import org.eclipse.papyrus.infra.properties.ui.modelelement.CompositeModelElement;
import org.eclipse.papyrus.infra.properties.ui.modelelement.DataSource;
import org.eclipse.papyrus.infra.properties.ui.modelelement.ModelElement;
import org.eclipse.papyrus.infra.properties.ui.providers.XWTCompliantMaskProvider;
import org.eclipse.papyrus.infra.properties.ui.providers.XWTCompliantMaskProviderListener;
import org.eclipse.papyrus.infra.properties.ui.providers.XWTCompliantMaskProviderUpdater;
import org.eclipse.papyrus.uml.diagram.common.editparts.FloatingLabelEditPart;
import org.eclipse.papyrus.uml.properties.modelelement.UMLNotationModelElement;
/**
* A MaskProvider for the labelCustomization property
*
* @author Camille Letavernier
*/
public class LabelCustomizationMaskProvider implements XWTCompliantMaskProvider, XWTCompliantMaskProviderUpdater {
private IMaskManagedLabelEditPolicy editPolicy;
private DataSource input;
private String propertyPath;
private final Set<XWTCompliantMaskProviderListener> listeners = new HashSet<>();
public LabelCustomizationMaskProvider() {
}
@Override
public Map<String, String> getMasks() {
return editPolicy.getMasks();
}
public void setProperty(String propertyPath) {
this.propertyPath = propertyPath;
checkInput();
}
public String getProperty() {
return propertyPath;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.papyrus.infra.properties.ui.providers.XWTCompliantMaskProviderUpdater#setInput(org.eclipse.papyrus.infra.properties.ui.modelelement.DataSource)
*/
@Override
public void setInput(final DataSource input) {
this.input = input;
checkInput();
}
public DataSource getInput() {
return input;
}
protected void checkInput() {
if (input != null && propertyPath != null) {
ModelElement element = input.getModelElement(propertyPath);
if (element instanceof UMLNotationModelElement) {
UMLNotationModelElement modelElement = (UMLNotationModelElement) element;
editPolicy = (IMaskManagedLabelEditPolicy) modelElement.getEditPart().getEditPolicy(IMaskManagedLabelEditPolicy.MASK_MANAGED_LABEL_EDIT_POLICY);
if (editPolicy != null) {
notifyListeners();
}
} else if (input.getSelection().getFirstElement() instanceof FloatingLabelEditPart) {
EditPart editpart = (EditPart) input.getSelection().getFirstElement();
editPolicy = (IMaskManagedLabelEditPolicy) editpart.getEditPolicy(IndirectMaskLabelEditPolicy.INDRIRECT_MASK_MANAGED_LABEL);
if (editPolicy != null) {
notifyListeners();
}
} else if (element instanceof CompositeModelElement) {
editPolicy = null;
IMaskManagedLabelEditPolicy currentEditPolicy = null;
// Check that all elements have the same edit policy
for (ModelElement subElement : ((CompositeModelElement) element).getSubElements()) {
if (subElement instanceof UMLNotationModelElement) {
UMLNotationModelElement modelElement = (UMLNotationModelElement) subElement;
currentEditPolicy = (IMaskManagedLabelEditPolicy) modelElement.getEditPart().getEditPolicy(IMaskManagedLabelEditPolicy.MASK_MANAGED_LABEL_EDIT_POLICY);
if (currentEditPolicy == null) {
editPolicy = null;
break;
}
if (editPolicy != null && !editPolicy.getMasks().equals(currentEditPolicy.getMasks())) {
editPolicy = null;
break;
}
if (editPolicy == null) {
editPolicy = currentEditPolicy;
continue;
}
}
}
if (editPolicy != null) {
notifyListeners();
}
}
}
}
private void notifyListeners() {
for (XWTCompliantMaskProviderListener listener : listeners) {
listener.notifyReady(this);
}
}
@Override
public void addMaskProviderListener(XWTCompliantMaskProviderListener listener) {
listeners.add(listener);
}
@Override
public void removeMaskProviderListener(XWTCompliantMaskProviderListener listener) {
listeners.remove(listener);
}
}
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