| /* |
| * Copyright 2002,2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.jelly.tags.jface.preference; |
| |
| import java.util.Map; |
| |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.XMLOutput; |
| import org.apache.commons.jelly.tags.core.UseBeanTag; |
| import org.apache.commons.jelly.tags.jface.window.ApplicationWindowTag; |
| import org.eclipse.jface.preference.PreferenceDialog; |
| import org.eclipse.jface.preference.PreferenceManager; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * This Tag creates a JFace PreferenceDialog |
| * |
| * @author <a href="mailto:ckl@dacelo.nl">Christiaan ten Klooster</a> |
| */ |
| public class PreferenceDialogTag extends UseBeanTag { |
| |
| public PreferenceDialogTag(Class arg0) { |
| super(arg0); |
| } |
| |
| /** |
| * @return PreferenceDialog |
| */ |
| public PreferenceDialog getPreferenceDialog() { |
| Object bean = getBean(); |
| if (bean instanceof PreferenceDialog) { |
| return (PreferenceDialog) bean; |
| } |
| return null; |
| } |
| |
| /** |
| * @return Shell |
| * @throws JellyTagException |
| */ |
| protected Shell getShell() throws JellyTagException { |
| ApplicationWindowTag tag = |
| (ApplicationWindowTag) findAncestorWithClass(ApplicationWindowTag.class); |
| |
| if (tag != null) { |
| return tag.getWindow().getShell(); |
| |
| } else { |
| Map attributes = getAttributes(); |
| Object parent = attributes.remove("parent"); |
| if (parent instanceof Shell) { |
| return (Shell) parent; |
| } else { |
| throw new JellyTagException("This tag must be nested inside a <applicationWindow> or have a parent of type Shell"); |
| } |
| } |
| } |
| |
| /* |
| * @see org.apache.commons.jelly.tags.core.UseBeanTag#newInstance(java.lang.Class, java.util.Map, org.apache.commons.jelly.XMLOutput) |
| */ |
| protected Object newInstance(Class arg0, Map arg1, XMLOutput arg2) throws JellyTagException { |
| PreferenceManager pm = new PreferenceManager(); |
| return new PreferenceDialog(getShell(), pm); |
| } |
| |
| } |