| /******************************************************************************* |
| * Copyright (c) 2003, 2005 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.wst.common.frameworks.internal.operation.extensionui; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.jem.util.RegistryReader; |
| import org.eclipse.wst.common.frameworks.internal.ui.WTPUIPlugin; |
| |
| |
| /** |
| * @author mdelder |
| */ |
| public class ExtensibleViewRegistry extends RegistryReader { |
| |
| private static ExtensibleViewRegistry INSTANCE = null; |
| private Map extendedViewerMap = null; |
| private Map descriptorMap = null; |
| |
| protected interface Elements { |
| public static final String EXTENDED_VIEWER = "extendedViewer"; //$NON-NLS-1$ |
| public static final String VIEWER_ID = "viewerID"; //$NON-NLS-1$ |
| public static final String PARENT_VIEWER_ID = "parentViewerID"; //$NON-NLS-1$ |
| public static final String FACTORY_CLASS = "factoryClass"; //$NON-NLS-1$ |
| public static final String ICON = "icon"; //$NON-NLS-1$ |
| public static final String LABEL = "label"; //$NON-NLS-1$ |
| public static final String FUNCTION_GROUP_ID = "functionGroupID"; //$NON-NLS-1$ |
| } |
| |
| /** |
| * |
| */ |
| private ExtensibleViewRegistry() { |
| super(WTPUIPlugin.PLUGIN_ID, WTPUIPlugin.EXTENDED_VIEWER_REGISTRY_EXTENSION_POINT); |
| } |
| |
| public static ExtensibleViewRegistry getInstance() { |
| if (INSTANCE == null) { |
| INSTANCE = new ExtensibleViewRegistry(); |
| INSTANCE.readRegistry(); |
| } |
| return INSTANCE; |
| } |
| |
| public Descriptor getDescriptor(String viewerID) { |
| return (Descriptor) getDescriptorMap().get(viewerID); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.registry.RegistryReader#readElement(org.eclipse.core.runtime.IConfigurationElement) |
| */ |
| public boolean readElement(IConfigurationElement element) { |
| if (element.getName().equals(Elements.EXTENDED_VIEWER)) { |
| Descriptor descriptor = new Descriptor(element); |
| getDescriptorMap().put(descriptor.getViewerID(), descriptor); |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * @return Returns the extendedViewerMap. |
| */ |
| protected Map getExtendedViewerMap() { |
| if (extendedViewerMap == null) |
| extendedViewerMap = new HashMap(); |
| return extendedViewerMap; |
| } |
| |
| /** |
| * @return Returns the descriptorMap. |
| */ |
| protected Map getDescriptorMap() { |
| if (descriptorMap == null) |
| descriptorMap = new HashMap(); |
| return descriptorMap; |
| } |
| |
| public class Descriptor { |
| |
| private String viewerID = null; |
| private String parentViewerID = null; |
| private String factoryClass = null; |
| private String icon = null; |
| private String label = null; |
| private String functionGroupID = null; |
| |
| private String toStringCache = null; |
| private IConfigurationElement element = null; |
| |
| /** |
| * |
| */ |
| public Descriptor(IConfigurationElement element) { |
| this.element = element; |
| |
| this.viewerID = this.element.getAttribute(ExtensibleViewRegistry.Elements.VIEWER_ID); |
| this.parentViewerID = this.element.getAttribute(ExtensibleViewRegistry.Elements.PARENT_VIEWER_ID); |
| this.factoryClass = this.element.getAttribute(ExtensibleViewRegistry.Elements.FACTORY_CLASS); |
| this.icon = this.element.getAttribute(ExtensibleViewRegistry.Elements.ICON); |
| this.label = this.element.getAttribute(ExtensibleViewRegistry.Elements.LABEL); |
| this.functionGroupID = this.element.getAttribute(ExtensibleViewRegistry.Elements.FUNCTION_GROUP_ID); |
| } |
| |
| public IExtensibleViewFactory createFactoryInstance() { |
| IExtensibleViewFactory factoryInstance = null; |
| try { |
| factoryInstance = (IExtensibleViewFactory) this.element.createExecutableExtension(getFactoryClass()); |
| } catch (CoreException e) { |
| WTPUIPlugin.getLogger().logError(e); |
| } |
| return factoryInstance; |
| } |
| |
| /** |
| * @return Returns the factoryClass. |
| */ |
| public String getFactoryClass() { |
| return factoryClass; |
| } |
| |
| /** |
| * @return Returns the functionGroupID. |
| */ |
| public String getFunctionGroupID() { |
| return functionGroupID; |
| } |
| |
| /** |
| * @return Returns the icon. |
| */ |
| public String getIcon() { |
| return icon; |
| } |
| |
| /** |
| * @return Returns the label. |
| */ |
| public String getLabel() { |
| return label; |
| } |
| |
| /** |
| * @return Returns the parentViewerID. |
| */ |
| public String getParentViewerID() { |
| return parentViewerID; |
| } |
| |
| /** |
| * @return Returns the viewerID. |
| */ |
| public String getViewerID() { |
| return viewerID; |
| } |
| |
| public String toString() { |
| if (toStringCache == null) |
| toStringCache = "ExtensibleViewRegistry.Info [viewerID=\"" + getViewerID() + "\",parentViewerID=\"" + getParentViewerID() + "\",factoryClass=" + getFactoryClass() + "\",functionGroupID=\"" + getFunctionGroupID() + "\"]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ |
| return toStringCache; |
| } |
| } |
| |
| } |