| /* |
| * 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; |
| |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.Tag; |
| import org.apache.commons.jelly.tags.jface.window.ApplicationWindowImpl; |
| import org.apache.commons.jelly.tags.jface.window.ApplicationWindowTag; |
| import org.apache.commons.jelly.tags.jface.wizard.WizardPageTag; |
| import org.apache.commons.jelly.tags.swt.WidgetTag; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Widget; |
| |
| /** |
| * Implementation of SWT WidgetTag |
| * |
| * @author <a href="mailto:ckl@dacelo.nl">Christiaan ten Klooster</a> |
| */ |
| public class JFaceWidgetTag extends WidgetTag implements Tag { |
| |
| /** |
| * @param widgetClass |
| */ |
| public JFaceWidgetTag(Class widgetClass) { |
| super(widgetClass); |
| } |
| |
| /** |
| * @param widgetClass |
| * @param style |
| */ |
| public JFaceWidgetTag(Class widgetClass, int style) { |
| super(widgetClass, style); |
| } |
| |
| /* |
| * @see org.apache.commons.jelly.tags.swt.WidgetTag#attachWidgets(java.lang.Object, org.eclipse.swt.widgets.Widget) |
| */ |
| protected void attachWidgets(Object parent, Widget widget) throws JellyTagException { |
| super.attachWidgets(parent, widget); |
| |
| // set Parent composite of wizard page |
| if (getParent() instanceof WizardPageTag) { |
| WizardPageTag tag = (WizardPageTag) getParent(); |
| if (tag.getWizardPageImpl().getParentControl() == null) { |
| if (widget instanceof Composite) { |
| tag.getWizardPageImpl().setParentComposite((Composite) widget); |
| } else { |
| throw new JellyTagException("First child of a <wizardPage> must be of type Composite"); |
| } |
| } |
| } |
| } |
| |
| /* |
| * @see org.apache.commons.jelly.tags.swt.WidgetTag#getParentWidget() |
| */ |
| public Widget getParentWidget() { |
| parent = super.getParentWidget(); |
| |
| if (parent == null && getParent() instanceof WizardPageTag) { |
| WizardPageTag tag = (WizardPageTag) getParent(); |
| if (tag != null) { |
| WizardPageTag.WizardPageImpl page = tag.getWizardPageImpl(); |
| return page.getControl(); |
| } |
| } |
| |
| if (parent == null) { |
| ApplicationWindowTag tag = |
| (ApplicationWindowTag) findAncestorWithClass(ApplicationWindowTag.class); |
| if (tag != null) { |
| Window window = tag.getWindow(); |
| if (window != null && window instanceof ApplicationWindowImpl) { |
| return ((ApplicationWindowImpl) window).getContents(); |
| } |
| } |
| } |
| |
| return parent; |
| } |
| |
| } |