/*******************************************************************************
* Copyright (c) 2000, 2015 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* Benjamin Muskalla - bug 77710
*******************************************************************************/
package org.eclipse.e4.ui.workbench.swt.internal.copy;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.ui.model.application.descriptor.basic.MPartDescriptor;
import org.eclipse.e4.ui.workbench.IResourceUtilities;
import org.eclipse.e4.ui.workbench.swt.util.ISWTResourceUtilities;
import org.eclipse.emf.common.util.URI;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.osgi.framework.Bundle;
/**
* Based on org.eclipse.ui.internal.dialogs.ViewLabelProvider.
*/
public class ViewLabelProvider extends ColumnLabelProvider {
/**
* Image descriptor for enabled clear button.
*/
private static final String FOLDER_ICON = "org.eclipse.e4.descriptor.folder"; //$NON-NLS-1$
/**
* Get image descriptors for the clear button.
*/
static {
Bundle bundle = org.eclipse.e4.ui.internal.workbench.swt.WorkbenchSWTActivator
.getDefault().getBundle();
IPath path = new Path("$nl$/icons/full/obj16/fldr_obj.png");
URL url = FileLocator.find(bundle, path, null);
ImageDescriptor enabledDesc = ImageDescriptor.createFromURL(url);
if (enabledDesc != null)
JFaceResources.getImageRegistry().put(FOLDER_ICON, enabledDesc);
}
private Map<String, Image> imageMap = new HashMap<>();
private IEclipseContext context;
/**
* @param window
* the workbench window
* @param dimmedForeground
* the dimmed foreground color to use for views that are already
* open
*/
public ViewLabelProvider(IEclipseContext context) {
this.context = context;
}
@Override
public void dispose() {
for (Image image : imageMap.values()) {
image.dispose();
}
super.dispose();
}
@Override
public Image getImage(Object element) {
if (element instanceof MPartDescriptor) {
String iconURI = ((MPartDescriptor) element).getIconURI();
if (iconURI != null && iconURI.length() > 0) {
Image image = imageMap.get(iconURI);
if (image == null) {
ISWTResourceUtilities resUtils = (ISWTResourceUtilities) context
.get(IResourceUtilities.class.getName());
image = resUtils.imageDescriptorFromURI(
URI.createURI(iconURI)).createImage();
imageMap.put(iconURI, image);
}
return image;
}
return null;
} else if (element instanceof String) {
Image image = imageMap.get(FOLDER_ICON);
if (image == null) {
image = JFaceResources.getImageRegistry()
.getDescriptor(FOLDER_ICON).createImage();
imageMap.put(FOLDER_ICON, image);
}
return image;
}
return null;
}
@Override
public String getText(Object element) {
String label = WorkbenchSWTMessages.ViewLabel_unknown;
if (element instanceof String) {
label = (String) element;
} else if (element instanceof MPartDescriptor) {
label = ((MPartDescriptor) element).getLocalizedLabel();
}
return label;
}
@Override
public Color getBackground(Object element) {
return null;
}
}