| package org.eclipse.ui.internal; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.ui.internal.decorators.*; |
| import org.eclipse.ui.internal.registry.*; |
| import java.util.*; |
| |
| /** |
| * Read the actions for an plugin action set. |
| * |
| * [Issue: There is some overlap with the class |
| * PluginActionSetBuilder which should be reviewed |
| * at a later time and maybe merged together] |
| */ |
| public class PluginActionSetReader extends RegistryReader { |
| private List cache = new ArrayList(); |
| /** |
| * PluginActionSetReader constructor comment. |
| */ |
| public PluginActionSetReader() { |
| super(); |
| } |
| /** |
| * This factory method returns a new ActionDescriptor for the |
| * configuration element. |
| */ |
| protected LightweightActionDescriptor createActionDescriptor(IConfigurationElement element) { |
| return new LightweightActionDescriptor(element); |
| } |
| /** |
| * Return all the action descriptor within the set. |
| */ |
| public LightweightActionDescriptor[] readActionDescriptors(ActionSetDescriptor actionSet) { |
| readElements(new IConfigurationElement[] {actionSet.getConfigElement()}); |
| LightweightActionDescriptor[] actions = new LightweightActionDescriptor[cache.size()]; |
| cache.toArray(actions); |
| return actions; |
| } |
| /** |
| * @see RegistryReader |
| */ |
| protected boolean readElement(IConfigurationElement element) { |
| String tag = element.getName(); |
| if (tag.equals(PluginActionSetBuilder.TAG_ACTION_SET)) { |
| readElementChildren(element); |
| return true; |
| } |
| if (tag.equals(ObjectActionContributorReader.TAG_OBJECT_CONTRIBUTION)) { |
| // This builder is sometimes used to read the popup menu |
| // extension point. Ignore all object contributions. |
| return true; |
| } |
| if (tag.equals(PluginActionSetBuilder.TAG_MENU)) { |
| return true; // just cache the element - don't go into it |
| } |
| if (tag.equals(PluginActionSetBuilder.TAG_ACTION)) { |
| cache.add(createActionDescriptor(element)); |
| return true; // just cache the action - don't go into |
| } |
| |
| return false; |
| } |
| } |