| //------------------------------------------------------------------------------ |
| // 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 implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.library.layout.elements; |
| |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.epf.library.layout.ElementLayoutManager; |
| import org.eclipse.epf.library.layout.IElementLayout; |
| import org.eclipse.epf.uma.DescriptorDescription; |
| import org.eclipse.epf.uma.MethodElement; |
| import org.eclipse.epf.uma.RoleDescriptor; |
| import org.eclipse.epf.uma.TaskDescriptor; |
| import org.eclipse.epf.uma.UmaPackage; |
| import org.eclipse.epf.uma.WorkProductDescriptor; |
| |
| /** |
| * base layout class for descriptors |
| * |
| * @author Jinhua Xi |
| * @since 1.0 |
| */ |
| public abstract class DescriptorLayout extends AbstractProcessElementLayout { |
| |
| MethodElement linkedElement = null; |
| |
| AbstractElementLayout elementLayout = null; |
| |
| protected void __init(ElementLayoutManager layoutManager, |
| MethodElement element) { |
| super.__init(layoutManager, element); |
| |
| if (element instanceof TaskDescriptor) { |
| linkedElement = ((TaskDescriptor) element).getTask(); |
| if (linkedElement != null) { |
| elementLayout = new TaskLayout(); |
| } |
| } else if (element instanceof RoleDescriptor) { |
| linkedElement = ((RoleDescriptor) element).getRole(); |
| if (linkedElement != null) { |
| elementLayout = new RoleLayout(); |
| } |
| } else if (element instanceof WorkProductDescriptor) { |
| linkedElement = ((WorkProductDescriptor) element).getWorkProduct(); |
| if (linkedElement != null) { |
| elementLayout = new WorkProductLayout(); |
| } |
| } |
| |
| if (elementLayout != null) { |
| elementLayout.init(layoutManager, linkedElement); |
| elementLayout.setContentTarget(element); |
| } |
| } |
| |
| /** |
| * for descriptors, if the attribute is not defined, get from the libed |
| * element |
| * |
| * @param feature EStructuralFeature |
| * @return Object |
| */ |
| public Object getAttributeFeatureValue(EStructuralFeature feature) { |
| Object value = super.getAttributeFeatureValue(feature); |
| if ((elementLayout == null) || (value != null) |
| && (value.toString().length() > 0)) { |
| return value; |
| } |
| |
| // if the attribute is not defined, grab the attribute value from the |
| // linked element |
| // specified attributes only. Add more feature here if needed |
| if (feature == UmaPackage.eINSTANCE.getMethodElement_BriefDescription()) { |
| return elementLayout.getAttributeFeatureValue(feature); |
| } |
| |
| return value; |
| } |
| |
| /** |
| * get the layout for a child element of this element |
| * ActivityElementLayout should override this method to create layout with node path |
| * @param child |
| * @return IElementLayout |
| */ |
| protected IElementLayout getChildLayout(MethodElement child) |
| { |
| if ( layoutManager.getValidator().showExtraInfoForDescriptors() |
| && (child instanceof DescriptorDescription) ) { |
| DescriptorDescriptionLayout l = new DescriptorDescriptionLayout(this.element); |
| l.init(layoutManager, child); |
| return l; |
| } else { |
| return layoutManager.getLayout(child, true); |
| } |
| } |
| } |