| /******************************************************************************* |
| * Copyright (c) 2004, 2007 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.intro; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.ui.IPluginContribution; |
| import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants; |
| import org.eclipse.ui.intro.IIntroPart; |
| import org.eclipse.ui.intro.IntroContentDetector; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| |
| /** |
| * Describes an introduction extension. |
| * |
| * @since 3.0 |
| */ |
| public class IntroDescriptor implements IIntroDescriptor, IPluginContribution { |
| |
| |
| private IConfigurationElement element; |
| |
| private ImageDescriptor imageDescriptor; |
| |
| /** |
| * Create a new IntroDescriptor for an extension. |
| */ |
| public IntroDescriptor(IConfigurationElement configElement) |
| throws CoreException { |
| element = configElement; |
| |
| if (configElement.getAttribute(IWorkbenchRegistryConstants.ATT_CLASS) == null) { |
| throw new CoreException(new Status(IStatus.ERROR, configElement |
| .getNamespace(), 0, |
| "Invalid extension (Missing class name): " + getId(), //$NON-NLS-1$ |
| null)); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.intro.IIntroDescriptor#createIntro() |
| */ |
| public IIntroPart createIntro() throws CoreException { |
| return (IIntroPart) element.createExecutableExtension(IWorkbenchRegistryConstants.ATT_CLASS); |
| } |
| |
| public IntroContentDetector getIntroContentDetector() throws CoreException { |
| if (element.getAttribute(IWorkbenchRegistryConstants.ATT_CONTENT_DETECTOR) == null) { |
| return null; |
| } |
| return (IntroContentDetector) element.createExecutableExtension(IWorkbenchRegistryConstants.ATT_CONTENT_DETECTOR); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IIntroDescriptor#getId() |
| */ |
| public String getId() { |
| return element.getAttribute(IWorkbenchRegistryConstants.ATT_ID); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IIntroDescriptor#getImageDescriptor() |
| */ |
| public ImageDescriptor getImageDescriptor() { |
| if (imageDescriptor != null) { |
| return imageDescriptor; |
| } |
| String iconName = element.getAttribute(IWorkbenchRegistryConstants.ATT_ICON); |
| if (iconName == null) { |
| return null; |
| } |
| |
| imageDescriptor = AbstractUIPlugin.imageDescriptorFromPlugin(element |
| .getNamespace(), iconName); |
| return imageDescriptor; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IPluginContribution#getLocalId() |
| */ |
| public String getLocalId() { |
| return element.getAttribute(IWorkbenchRegistryConstants.ATT_ID); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IPluginContribution#getPluginId() |
| */ |
| public String getPluginId() { |
| return element.getNamespace(); |
| } |
| |
| /** |
| * Returns the configuration element. |
| * |
| * @return the configuration element |
| * @since 3.1 |
| */ |
| public IConfigurationElement getConfigurationElement() { |
| return element; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.intro.IIntroDescriptor#getLabelOverride() |
| */ |
| public String getLabelOverride() { |
| return element.getAttribute(IWorkbenchRegistryConstants.ATT_LABEL); |
| } |
| } |