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/*******************************************************************************
* Copyright (c) 2004, 2005 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.facesconfig.ui.provider;
import java.util.Hashtable;
import java.util.Map;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jst.jsf.facesconfig.emf.ManagedBeanType;
import org.eclipse.jst.jsf.facesconfig.ui.EditorPlugin;
import org.eclipse.jst.jsf.facesconfig.ui.IFacesConfigConstants;
import org.eclipse.jst.jsf.facesconfig.ui.section.ManagedBeanScopeTreeItem;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
/**
* The Managed Bean Page's TreeViewer Label Provider
*
* @author Xiao-guang Zhang, sfshi
* @version 1.5
*/
public class ManagedBeanLabelProvider extends LabelProvider {
/** Cache of images that have been dispensed by this provider */
private Map imageTable;
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.LabelProvider#getText(Object obj)
*/
public String getText(Object obj) {
String text = "";
if (obj instanceof ManagedBeanType) {
ManagedBeanType bean = (ManagedBeanType) obj;
if (bean.getManagedBeanName() != null) {
text = bean.getManagedBeanName().getTextContent();
}
if (text == null || text.length() < 1) {
if (bean.getManagedBeanClass() != null)
text = bean.getManagedBeanClass().getTextContent();
}
} else if (obj instanceof ManagedBeanScopeTreeItem) {
text = ((ManagedBeanScopeTreeItem) obj).getScope();
}
return text;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.LabelProvider#getImage(Object obj)
*/
public Image getImage(Object obj) {
ImageDescriptor imageDesc = null;
if (obj instanceof ManagedBeanType) {
imageDesc = EditorPlugin.getDefault().getImageDescriptor(
"facesconfig/FacesConfig_ManagedBean.gif"); //$NON-NLS-1$
} else if (obj instanceof ManagedBeanScopeTreeItem) {
ManagedBeanScopeTreeItem scopeTreeItem = (ManagedBeanScopeTreeItem) obj;
if (IFacesConfigConstants.MANAGED_BEAN_SCOPE_SESSION
.equals(scopeTreeItem.getScope())) {
imageDesc = EditorPlugin.getDefault().getImageDescriptor(
"Scope_Session.gif");
} else if (IFacesConfigConstants.MANAGED_BEAN_SCOPE_REQUEST
.equals(scopeTreeItem.getScope())) {
imageDesc = EditorPlugin.getDefault().getImageDescriptor(
"Scope_Request.gif");
} else if (IFacesConfigConstants.MANAGED_BEAN_SCOPE_APPLICATION
.equals(scopeTreeItem.getScope())) {
imageDesc = EditorPlugin.getDefault().getImageDescriptor(
"Scope_Application.gif");
} else if (IFacesConfigConstants.MANAGED_BEAN_SCOPE_NONE
.equals(scopeTreeItem.getScope())) {
imageDesc = EditorPlugin.getDefault().getImageDescriptor(
"Scope_None.gif");
} else {
imageDesc = EditorPlugin.getDefault().getImageDescriptor(
"Scope.gif");
}
}
if (imageDesc != null) {
// Obtain the cached image corresponding to the descriptor
if (imageTable == null) {
imageTable = new Hashtable(40);
}
Image image = (Image) imageTable.get(imageDesc);
if (image == null) {
image = imageDesc.createImage();
imageTable.put(imageDesc, image);
}
return image;
}
return PlatformUI.getWorkbench().getSharedImages().getImage(
ISharedImages.IMG_OBJ_ELEMENT);
}
}
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