| /******************************************************************************* |
| * Copyright (c) 2006 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.pagedesigner.meta; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.jst.pagedesigner.PDPlugin; |
| import org.eclipse.jst.pagedesigner.utils.StructuredModelUtil; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode; |
| |
| /** |
| * @author mengbo |
| * @version 1.5 |
| * @deprecated |
| */ |
| public class BindingHandlerDelegate implements IBindingHandler { |
| private static final String BINDING_DISABLED_IMAGE_FILE = "PD_Binding_disabled.gif"; //$NON-NLS-1$ |
| private static final String BINDING_IMAGE_FILE = "PD_Binding.gif"; //$NON-NLS-1$ |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.meta.IBindingHandler#handleBinding(org.eclipse.swt.widgets.Shell, |
| * org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode, |
| * org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement, |
| * java.lang.String) |
| */ |
| public String handleBinding(Shell shell, IDOMNode ancester, |
| IDOMElement element, String currentValue) { |
| IBindingHandler handler = getDelegatedHandler(ancester, element); |
| if (handler != null) { |
| return handler |
| .handleBinding(shell, ancester, element, currentValue); |
| } |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.meta.IBindingHandler#isEnabled(org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode, |
| * org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement) |
| */ |
| // public boolean isEnabled(IDOMNode ancester, IDOMElement element) |
| // { |
| // IBindingHandler handler = getDelegatedHandler(ancester, element); |
| // return (handler == null) ? false : handler.isEnabled(ancester, element); |
| // } |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.meta.IBindingHandler#isEnabled(org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode, |
| * org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement, |
| * java.lang.String, java.lang.String, |
| * org.eclipse.jst.pagedesigner.meta.IAttributeDescriptor) |
| */ |
| public boolean isEnabled(IDOMNode ancester, IDOMElement element, |
| String uri, String tagName, IAttributeDescriptor attr) { |
| IBindingHandler handler = getDelegatedHandler(ancester, element); |
| return (handler == null) ? false : handler.isEnabled(ancester, element, |
| uri, tagName, attr); |
| } |
| |
| // public boolean isEnabled(IDOMNode ancester, IDOMElement element, |
| // IPropertyPageDescriptor attr) { |
| // IBindingHandler handler = getDelegatedHandler(ancester, element); |
| // return (handler == null) ? false : handler.isEnabled(ancester, element, |
| // attr); |
| // } |
| |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.meta.IBindingHandler#getImage() |
| */ |
| public Image getImage() { |
| return PDPlugin.getDefault().getImage(BINDING_IMAGE_FILE); |
| } |
| |
| public Image getDisabledImage() { |
| return PDPlugin.getDefault().getImage(BINDING_DISABLED_IMAGE_FILE); |
| } |
| |
| private IBindingHandler getDelegatedHandler(IDOMNode ancester, |
| IDOMElement element) { |
| IProject project = getProject(ancester, element); |
| if (project != null) { |
| Object obj = project.getAdapter(IBindingHandler.class); |
| if (obj instanceof IBindingHandler) { |
| return (IBindingHandler) obj; |
| } |
| } |
| |
| return null; |
| } |
| |
| private IProject getProject(IDOMNode ancester, IDOMElement element) { |
| IDOMModel model = getModel(ancester, element); |
| if (model != null) { |
| return StructuredModelUtil.getProjectFor(model); |
| } |
| return null; |
| } |
| |
| private IDOMModel getModel(IDOMNode ancester, IDOMElement element) { |
| if (ancester != null) { |
| return ancester.getModel(); |
| } else if (element != null) { |
| return element.getModel(); |
| } else { |
| return null; |
| } |
| } |
| |
| } |