/*******************************************************************************
* Copyright (c) 2000, 2007 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
*******************************************************************************/
package org.eclipse.ui.internal.dialogs;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.WorkbenchMessages;
import org.eclipse.ui.internal.WorkbenchPlugin;
import org.eclipse.ui.internal.misc.StatusUtil;
import org.eclipse.ui.internal.preferences.WorkbenchPreferenceExtensionNode;
import org.eclipse.ui.internal.registry.CategorizedPageRegistryReader;
import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants;
import org.eclipse.ui.statushandlers.StatusManager;
/**
* A proxy for a preference page to avoid creation of preference page just to
* show a node in the preference dialog tree.
*/
public class WorkbenchPreferenceNode extends WorkbenchPreferenceExtensionNode {
/**
* Create a new instance of the receiver.
* @param nodeId
* @param element
*/
public WorkbenchPreferenceNode(String nodeId, IConfigurationElement element) {
super(nodeId, element);
}
/**
* Creates the preference page this node stands for.
*/
public void createPage() {
IWorkbenchPreferencePage page;
try {
page = (IWorkbenchPreferencePage) WorkbenchPlugin.createExtension(
getConfigurationElement(), IWorkbenchRegistryConstants.ATT_CLASS);
} catch (CoreException e) {
// Just inform the user about the error. The details are
// written to the log by now.
IStatus errStatus = StatusUtil.newStatus(e.getStatus(), WorkbenchMessages.PreferenceNode_errorMessage);
StatusManager.getManager().handle(errStatus, StatusManager.SHOW);
page = new ErrorPreferencePage();
}
page.init(PlatformUI.getWorkbench());
if (getLabelImage() != null) {
page.setImageDescriptor(getImageDescriptor());
}
page.setTitle(getLabelText());
setPage(page);
}
/**
* Return the category name for the node.
* @return java.lang.String
*/
public String getCategory() {
return getConfigurationElement().getAttribute(
CategorizedPageRegistryReader.ATT_CATEGORY);
}
}