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/*******************************************************************************
* Copyright (c) 2013 Soft-Maint.
* 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:
* David Couvrand (Soft-Maint) - Bug 418418 - [Customization] Overlay icons not implemented
* David Couvrand (Soft-Maint) - [Customization] NPE for CustomizableLabelProvider when no image found for image customization
* Thomas Cicognani (Soft-Maint) - Bug 424414 - ImageManager doesn't cache images
* Thomas Cicognani (Soft-Maint) - Bug 424416 - Plug-in for JFace Utilities
*******************************************************************************/
package org.eclipse.papyrus.emf.facet.custom.ui.internal;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.ETypedElement;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.DecorationOverlayIcon;
import org.eclipse.jface.viewers.IDecorationContext;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.LabelDecorator;
import org.eclipse.papyrus.emf.facet.custom.core.ICustomizationManager;
import org.eclipse.papyrus.emf.facet.custom.core.internal.exported.CustomizationUtils;
import org.eclipse.papyrus.emf.facet.custom.metamodel.custompt.IImage;
import org.eclipse.papyrus.emf.facet.efacet.metamodel.v0_2_0.efacet.FacetOperation;
import org.eclipse.papyrus.emf.facet.util.jface.ui.imageprovider.IImageProvider;
import org.eclipse.papyrus.emf.facet.util.jface.ui.imageprovider.IImageProviderFactory;
import org.eclipse.swt.graphics.Image;
public class CustomizedLabelDecorator extends LabelDecorator {
private final ICustomizationManager customizationMgr;
private final PropertiesHandler propertiesHandler;
private final ImageManager imageManager;
public CustomizedLabelDecorator(final ICustomizationManager customizationMgr) {
super();
this.customizationMgr = customizationMgr;
this.propertiesHandler = new PropertiesHandler(customizationMgr);
this.imageManager = new ImageManager();
}
public Image decorateImage(final Image image, final Object element) {
return null;
}
public String decorateText(final String text, final Object element) {
return null;
}
public void addListener(final ILabelProviderListener listener) {
// Nothing to do
}
public void dispose() {
// Nothing to do
}
public boolean isLabelProperty(final Object element, final String property) {
return false;
}
public void removeListener(final ILabelProviderListener listener) {
// Nothing to do
}
@Override
public Image decorateImage(final Image image, final Object element,
final IDecorationContext context) {
Image result = null;
if ((image != null) && (element instanceof EObject)) {
final IImage bLeftIImage = getPropertyValue(element,
this.propertiesHandler.getBottomLeftOverlayProperty(),
null, IImage.class);
final ImageDescriptor bottomLeftImDesc = this.imageManager
.getImageDescriptor(bLeftIImage);
final IImage tLeftIImage = getPropertyValue(element,
this.propertiesHandler.getTopLeftOverlayProperty(), null,
IImage.class);
final ImageDescriptor topLeftImDesc = this.imageManager
.getImageDescriptor(tLeftIImage);
final IImage bRightIImage = getPropertyValue(element,
this.propertiesHandler.getBottomRightOverlayProperty(),
null, IImage.class);
final ImageDescriptor bottomRightImDesc = this.imageManager
.getImageDescriptor(bRightIImage);
final IImage tRightIImage = getPropertyValue(element,
this.propertiesHandler.getTopRightOverlayProperty(), null,
IImage.class);
final ImageDescriptor topRightImDesc = this.imageManager
.getImageDescriptor(tRightIImage);
final ImageDescriptor[] overlaysArray = new ImageDescriptor[] {
topLeftImDesc, topRightImDesc, bottomLeftImDesc,
bottomRightImDesc, null };
final DecorationOverlayIcon overlayIcon = new DecorationOverlayIcon(
image, overlaysArray);
final IImageProvider imageProvider = IImageProviderFactory.DEFAULT
.createIImageProvider(Activator.getDefault());
result = imageProvider.getImage(overlayIcon);
}
return result;
}
@Override
public String decorateText(final String text, final Object element,
final IDecorationContext context) {
return null;
}
@Override
public boolean prepareDecoration(final Object element,
final String originalText, final IDecorationContext context) {
return false;
}
private <T> T getPropertyValue(final Object element,
final FacetOperation property, final ETypedElement eTypedElement,
final Class<T> classs) {
return CustomizationUtils.getPropertyValue(this.customizationMgr,
element, property, eTypedElement, classs);
}
}
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