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/*****************************************************************************
* Copyright (c) 2011, 2014 CEA LIST and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
* Christian W. Damus (CEA) - bug 323802
*
*****************************************************************************/
package org.eclipse.papyrus.uml.properties.modelelement;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.emf.ecore.EModelElement;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.gef.EditPart;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.papyrus.infra.widgets.providers.AbstractStaticContentProvider;
import org.eclipse.papyrus.infra.widgets.providers.IStaticContentProvider;
import org.eclipse.papyrus.uml.properties.Activator;
import org.eclipse.papyrus.uml.properties.databinding.ElementCustomizationObservableValue;
import org.eclipse.papyrus.uml.properties.databinding.ElementCustomizationObservableValue.Property;
import org.eclipse.papyrus.uml.properties.databinding.MaskValueObservableList;
import org.eclipse.papyrus.uml.properties.messages.Messages;
import org.eclipse.papyrus.uml.tools.utils.NamedElementUtil;
import org.eclipse.papyrus.uml.tools.utils.UMLUtil;
import org.eclipse.papyrus.views.properties.modelelement.AbstractModelElement;
import org.eclipse.uml2.uml.NamedElement;
/**
* A ModelElement for handling UML-Specific appearance elements and properties
*
* @author Camille Letavernier
*
*/
public class UMLNotationModelElement extends AbstractModelElement {
/**
* The labelCustomization property
*/
public static final String LabelCustomization = "labelCustomization"; //$NON-NLS-1$
/**
* The stereotypeDisplay property
*/
public static final String StereotypeDisplay = "stereotypeDisplay"; //$NON-NLS-1$
/**
* The elementIcon property
*/
public static final String ElementIcon = "elementIcon"; //$NON-NLS-1$
/**
* The shadow property
*/
public static final String Shadow = "shadow"; //$NON-NLS-1$
/**
* The qualifiedName property
*/
public static final String QualifiedName = "qualifiedName"; //$NON-NLS-1$
/**
* The GMF EditPart represented by this ModelElement
*/
private EditPart sourceElement;
/**
*
* Constructor.
*
* @param sourceElement
* The GMF EditPart represented by this ModelElement
*/
public UMLNotationModelElement(EditPart sourceElement) {
this.sourceElement = sourceElement;
}
@Override
public IObservable doGetObservable(String propertyPath) {
if(propertyPath.equals(LabelCustomization)) {
EditingDomain editingDomain = EMFHelper.resolveEditingDomain(sourceElement);
return new MaskValueObservableList(sourceElement, editingDomain);
} else if(propertyPath.equals(StereotypeDisplay)) {
//TODO : check if we need an observable in this case. For now, the Widget is responsible for updating the element
//@see StereotypeDisplay
return null;
} else if(propertyPath.equals(ElementIcon)) {
return new ElementCustomizationObservableValue(sourceElement, Property.ELEMENT_ICON);
} else if(propertyPath.equals(Shadow)) {
return new ElementCustomizationObservableValue(sourceElement, Property.SHADOW);
} else if(propertyPath.equals(QualifiedName)) {
return new ElementCustomizationObservableValue(sourceElement, Property.QUALIFIED_NAME);
}
Activator.log.warn("Unknown property : " + propertyPath); //$NON-NLS-1$
return null;
}
@Override
public IStaticContentProvider getContentProvider(String propertyPath) {
if(propertyPath.equals(QualifiedName)) {
//maxDepth corresponds to "None" (The name is not qualified), while 0 corresponds to "Full" (Fully qualified name)
return new AbstractStaticContentProvider() {
public Object[] getElements() {
int maxDepth = NamedElementUtil.getQualifiedNameMaxDepth((NamedElement)UMLUtil.resolveUMLElement(sourceElement));
if(maxDepth == 0) {
return new Integer[]{ 0 };
}
Integer[] result = new Integer[maxDepth + 1];
result[0] = maxDepth; //None
result[1] = 0; //Full
for(int i = 1; i < maxDepth; i++) {
result[i + 1] = i;
}
return result;
}
};
}
return null;
}
@Override
public ILabelProvider getLabelProvider(String propertyPath) {
//maxDepth corresponds to "None" (The name is not qualified), while 0 corresponds to "Full" (Fully qualified name)
int depth = NamedElementUtil.getQualifiedNameMaxDepth((NamedElement)UMLUtil.resolveUMLElement(sourceElement));
final int maxDepth = depth == 0 ? 1 : depth;
return new LabelProvider() {
@Override
public String getText(Object value) {
if(value instanceof Integer) {
Integer intValue = (Integer)value;
if(intValue == maxDepth) {
return Messages.UMLNotationModelElement_DepthNone;
} else if(intValue == 0) {
return Messages.UMLNotationModelElement_DepthFull;
} else {
return "-" + intValue; //$NON-NLS-1$
}
}
Activator.log.warn("Unknown value : " + value); //$NON-NLS-1$
return ""; //$NON-NLS-1$
}
};
}
/**
* @return the GMF Notation model element associated to this edit part
*/
public EModelElement getEModelElement() {
return (EModelElement)sourceElement.getModel();
}
/**
* @return the GMF Edit Part represented by this ModelElement
*/
public EditPart getEditPart() {
return sourceElement;
}
@Override
public boolean isMandatory(String propertyPath) {
if(QualifiedName.equals(propertyPath)) {
return true;
}
return super.isMandatory(propertyPath);
}
@Override
public boolean isEditable(String propertyPath) {
return !EMFHelper.isReadOnly(getEModelElement());
}
}
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