| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.decorators; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtension; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.ui.internal.dialogs.DialogUtil; |
| import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants; |
| import org.eclipse.ui.model.IWorkbenchAdapter; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| |
| /** |
| * Represent the description of an action within |
| * an action set. It does not create an action. |
| * |
| * [Issue: This class overlaps with ActionDescriptor |
| * and should be reviewed to determine if code |
| * reuse if possible.] |
| */ |
| public class LightweightActionDescriptor implements IAdaptable, |
| IWorkbenchAdapter { |
| private static final Object[] NO_CHILDREN = new Object[0]; |
| |
| private String id; |
| |
| private String label; |
| |
| private String description; |
| |
| private ImageDescriptor image; |
| |
| /** |
| * Create a new instance of <code>LightweightActionDescriptor</code>. |
| * |
| * @param actionElement the configuration element |
| */ |
| public LightweightActionDescriptor(IConfigurationElement actionElement) { |
| super(); |
| |
| this.id = actionElement.getAttribute(IWorkbenchRegistryConstants.ATT_ID); |
| this.label = actionElement.getAttribute(IWorkbenchRegistryConstants.ATT_LABEL); |
| this.description = actionElement |
| .getAttribute(IWorkbenchRegistryConstants.TAG_DESCRIPTION); |
| |
| String iconName = actionElement.getAttribute(IWorkbenchRegistryConstants.ATT_ICON); |
| if (iconName != null) { |
| IExtension extension = actionElement.getDeclaringExtension(); |
| this.image = AbstractUIPlugin.imageDescriptorFromPlugin(extension |
| .getNamespace(), iconName); |
| } |
| } |
| |
| /** |
| * Returns an object which is an instance of the given class |
| * associated with this object. Returns <code>null</code> if |
| * no such object can be found. |
| */ |
| public Object getAdapter(Class adapter) { |
| if (adapter == IWorkbenchAdapter.class) { |
| return this; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the action's description. |
| * |
| * @return the description |
| */ |
| public String getDescription() { |
| return description; |
| } |
| |
| /** |
| * Returns the action's id. |
| * |
| * @return the id |
| */ |
| public String getId() { |
| return id; |
| } |
| |
| /** |
| * Returns the action's image descriptor. |
| * |
| * @return the image descriptor |
| */ |
| public ImageDescriptor getImageDescriptor() { |
| return image; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.model.IWorkbenchAdapter#getImageDescriptor(java.lang.Object) |
| */ |
| public ImageDescriptor getImageDescriptor(Object o) { |
| if (o == this) { |
| return getImageDescriptor(); |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the action's label. |
| * |
| * @return the label |
| */ |
| public String getLabel() { |
| return label; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.model.IWorkbenchAdapter#getLabel(java.lang.Object) |
| */ |
| public String getLabel(Object o) { |
| if (o == this) { |
| String text = getLabel(); |
| int end = text.lastIndexOf('@'); |
| if (end >= 0) { |
| text = text.substring(0, end); |
| } |
| return DialogUtil.removeAccel(text); |
| } |
| return o == null ? "" : o.toString();//$NON-NLS-1$ |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.model.IWorkbenchAdapter#getChildren(java.lang.Object) |
| */ |
| public Object[] getChildren(Object o) { |
| return NO_CHILDREN; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.model.IWorkbenchAdapter#getParent(java.lang.Object) |
| */ |
| public Object getParent(Object o) { |
| return null; |
| } |
| } |