| /****************************************************************************** |
| * Copyright (c) 2005, 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.gmf.runtime.emf.type.core.internal.descriptors; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.gmf.runtime.common.core.util.Log; |
| import org.eclipse.gmf.runtime.emf.type.core.IContainerDescriptor; |
| import org.eclipse.gmf.runtime.emf.type.core.IElementMatcher; |
| import org.eclipse.gmf.runtime.emf.type.core.edithelper.IEditHelperAdvice; |
| import org.eclipse.gmf.runtime.emf.type.core.internal.EMFTypePlugin; |
| import org.eclipse.gmf.runtime.emf.type.core.internal.EMFTypePluginStatusCodes; |
| import org.eclipse.gmf.runtime.emf.type.core.internal.l10n.EMFTypeCoreMessages; |
| |
| /** |
| * Descriptor for edit helper advice. |
| * |
| * @author ldamus |
| */ |
| public class EditHelperAdviceDescriptor |
| implements IEditHelperAdviceDescriptor { |
| |
| private final SpecializationTypeDescriptor specializationDescriptor; |
| |
| /** |
| * The edit helper advice. |
| */ |
| private IEditHelperAdvice editHelperAdvice; |
| |
| /** |
| * The class name of the edit helper advice. |
| */ |
| private String editHelperAdviceName; |
| |
| /** |
| * Constructs a new edit helper advice descriptor from the configuration element. |
| * |
| * @param specialization |
| * the configuration element |
| */ |
| public EditHelperAdviceDescriptor(String editHelperAdviceName, |
| SpecializationTypeDescriptor specialization) { |
| |
| this.editHelperAdviceName = editHelperAdviceName; |
| this.specializationDescriptor = specialization; |
| } |
| |
| /** |
| * Constructs a new descriptor for the edit helper advice. |
| * |
| * @param editHelperAdvice |
| * the edit helper advice |
| * @param specialization |
| * the configuration element |
| */ |
| public EditHelperAdviceDescriptor(IEditHelperAdvice editHelperAdvice, |
| SpecializationTypeDescriptor specialization) { |
| |
| this(editHelperAdvice.getClass().getName(), specialization); |
| this.editHelperAdvice = editHelperAdvice; |
| } |
| |
| public String getId() { |
| return specializationDescriptor.getId(); |
| } |
| |
| public String getTypeId() { |
| return specializationDescriptor.getId(); |
| } |
| |
| /** |
| * Gets the edit helper advice class name. |
| * |
| * @return the edit helper advice class name. |
| */ |
| public String getEditHelperAdviceName() { |
| return editHelperAdviceName; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.gmf.runtime.emf.type.core.internal.impl.IEditHelperAdviceDescriptor#getEditHelperAdvice() |
| */ |
| public IEditHelperAdvice getEditHelperAdvice() { |
| if (editHelperAdvice == null) { |
| |
| if (editHelperAdviceName != null) { |
| try { |
| editHelperAdvice = (IEditHelperAdvice) specializationDescriptor |
| .getConfigElement() |
| .createExecutableExtension( |
| ElementTypeXmlConfig.A_EDIT_HELPER_ADVICE); |
| |
| } catch (CoreException e) { |
| Log |
| .error( |
| EMFTypePlugin.getPlugin(), |
| EMFTypePluginStatusCodes.EDIT_HELPER_ADVICE_CLASS_NOT_FOUND, |
| EMFTypeCoreMessages |
| .bind( |
| EMFTypeCoreMessages.editHelperAdvice_class_not_found_ERROR_, |
| editHelperAdviceName), e); |
| |
| // Don't recompute the advice class if it has failed once. |
| editHelperAdviceName = null; |
| } |
| } |
| } |
| return editHelperAdvice; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.gmf.runtime.emf.type.core.internal.impl.IEditHelperAdviceDescriptor#getMatcher() |
| */ |
| public IElementMatcher getMatcher() { |
| return specializationDescriptor.getMatcher(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.gmf.runtime.emf.type.core.internal.impl.IEditHelperAdviceDescriptor#isAppliedToSubtypes() |
| */ |
| public AdviceBindingInheritance getInheritance() { |
| return AdviceBindingInheritance.ALL; |
| } |
| |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gmf.runtime.emf.type.core.internal.impl.IEditHelperAdviceDescriptor#getContainerDescriptor() |
| */ |
| public IContainerDescriptor getContainerDescriptor() { |
| return specializationDescriptor.getContainerDescriptor(); |
| } |
| } |