| /** |
| * <copyright> |
| * |
| * Copyright (c) 2002-2007 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 - Initial API and implementation |
| * |
| * </copyright> |
| * |
| * $Id: XSDAttributeUseItemProvider.java,v 1.7 2007/03/23 17:36:46 marcelop Exp $ |
| */ |
| package org.eclipse.xsd.provider; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.common.command.CommandWrapper; |
| import org.eclipse.emf.common.command.UnexecutableCommand; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.edit.command.CommandParameter; |
| import org.eclipse.emf.edit.command.CreateChildCommand; |
| import org.eclipse.emf.edit.command.RemoveCommand; |
| import org.eclipse.emf.edit.domain.EditingDomain; |
| import org.eclipse.emf.edit.provider.ComposeableAdapterFactory; |
| import org.eclipse.emf.edit.provider.ComposedImage; |
| import org.eclipse.emf.edit.provider.IEditingDomainItemProvider; |
| import org.eclipse.emf.edit.provider.IItemLabelProvider; |
| import org.eclipse.emf.edit.provider.IItemPropertyDescriptor; |
| import org.eclipse.emf.edit.provider.IItemPropertySource; |
| import org.eclipse.emf.edit.provider.IStructuredItemContentProvider; |
| import org.eclipse.emf.edit.provider.ITreeItemContentProvider; |
| import org.eclipse.emf.edit.provider.ItemPropertyDescriptor; |
| import org.eclipse.emf.edit.provider.ItemPropertyDescriptorDecorator; |
| |
| import org.eclipse.xsd.XSDAttributeDeclaration; |
| import org.eclipse.xsd.XSDAttributeUse; |
| import org.eclipse.xsd.XSDAttributeUseCategory; |
| import org.eclipse.xsd.XSDPackage; |
| |
| |
| /** |
| * This is the item provider adpater for a {@link org.eclipse.xsd.XSDAttributeUse} object. |
| */ |
| public class XSDAttributeUseItemProvider |
| extends XSDComponentItemProvider |
| implements |
| IEditingDomainItemProvider, |
| IStructuredItemContentProvider, |
| ITreeItemContentProvider, |
| IItemLabelProvider, |
| IItemPropertySource |
| { |
| /** |
| * This constructs an instance from a factory and a notifier. |
| */ |
| public XSDAttributeUseItemProvider(AdapterFactory adapterFactory) |
| { |
| super(adapterFactory); |
| } |
| |
| protected XSDAttributeDeclaration getDelegate(XSDAttributeUse xsdAttributeUse) |
| { |
| return xsdAttributeUse.getContent(); |
| } |
| |
| /** |
| * This returns the property descriptors for the adapted class. |
| */ |
| @Override |
| public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) |
| { |
| itemPropertyDescriptors = null; |
| super.getPropertyDescriptors(object); |
| |
| XSDAttributeUse xsdAttributeUse = ((XSDAttributeUse)object); |
| XSDAttributeDeclaration xsdAttributeDeclaration = getDelegate(xsdAttributeUse); |
| if (xsdAttributeDeclaration != null) |
| { |
| for (IItemPropertyDescriptor delegatedItemPropertyDescriptor : itemDelegator.getPropertyDescriptors(xsdAttributeDeclaration)) |
| { |
| Object feature = delegatedItemPropertyDescriptor.getFeature(object); |
| if (feature != XSDPackage.eINSTANCE.getXSDFeature_Constraint() && |
| feature != XSDPackage.eINSTANCE.getXSDFeature_Value() && |
| feature != XSDPackage.eINSTANCE.getXSDFeature_LexicalValue()) |
| { |
| itemPropertyDescriptors.add(new ItemPropertyDescriptorDecorator(xsdAttributeDeclaration, delegatedItemPropertyDescriptor)); |
| } |
| } |
| } |
| |
| // This is for the required feature. |
| // |
| itemPropertyDescriptors.add |
| (new ItemPropertyDescriptor |
| (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), |
| XSDEditPlugin.INSTANCE.getString("_UI_Required_label"), |
| XSDEditPlugin.INSTANCE.getString("_UI_Required_description"), |
| xsdPackage.getXSDAttributeUse_Required(), |
| true, |
| ItemPropertyDescriptor.BOOLEAN_VALUE_IMAGE)); |
| |
| // This is for the use feature. |
| // |
| itemPropertyDescriptors.add |
| (new ItemPropertyDescriptor |
| (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), |
| XSDEditPlugin.INSTANCE.getString("_UI_Use_label"), |
| XSDEditPlugin.INSTANCE.getString("_UI_Use_description"), |
| xsdPackage.getXSDAttributeUse_Use(), |
| true, |
| ItemPropertyDescriptor.TEXT_VALUE_IMAGE)); |
| |
| // This is for the value feature. |
| // |
| itemPropertyDescriptors.add |
| (new ItemPropertyDescriptor |
| (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), |
| XSDEditPlugin.INSTANCE.getString("_UI_LexicalValue_label"), |
| XSDEditPlugin.INSTANCE.getString("_UI_LexicalValueOfAttributeUse_description"), |
| xsdPackage.getXSDAttributeUse_LexicalValue(), |
| true, |
| ItemPropertyDescriptor.TEXT_VALUE_IMAGE)); |
| |
| // This is for the constraint feature. |
| // |
| itemPropertyDescriptors.add |
| (new ItemPropertyDescriptor |
| (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), |
| XSDEditPlugin.INSTANCE.getString("_UI_Constraint_label"), |
| XSDEditPlugin.INSTANCE.getString("_UI_ConstraintOfAttributeUse_description"), |
| xsdPackage.getXSDAttributeUse_Constraint(), |
| true, |
| ItemPropertyDescriptor.TEXT_VALUE_IMAGE)); |
| |
| // This is for the attributeDeclaration feature. |
| // |
| itemPropertyDescriptors.add |
| (new ItemPropertyDescriptor |
| (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(), |
| XSDEditPlugin.INSTANCE.getString("_UI_AttributeDeclaration_label"), |
| XSDEditPlugin.INSTANCE.getString("_UI_AttributeDeclaration_description"), |
| xsdPackage.getXSDAttributeUse_AttributeDeclaration(), |
| false)); |
| |
| return itemPropertyDescriptors; |
| } |
| |
| @Override |
| public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) |
| { |
| if (childrenFeatures == null) |
| { |
| super.getChildrenFeatures(object); |
| childrenFeatures.clear(); |
| /* |
| XSDAttributeUse xsdAttributeUse = ((XSDAttributeUse)object); |
| childrenFeatures.add(xsdPackage.getXSDAttributeUse_Content()); |
| */ |
| } |
| return childrenFeatures; |
| } |
| |
| @Override |
| public Collection<?> getChildren(Object object) |
| { |
| XSDAttributeUse xsdAttributeUse = (XSDAttributeUse)object; |
| XSDAttributeDeclaration xsdAttributeDeclaration = getDelegate(xsdAttributeUse); |
| if (xsdAttributeDeclaration != null) |
| { |
| return itemDelegator.getChildren(xsdAttributeDeclaration); |
| } |
| else |
| { |
| return Collections.EMPTY_LIST; |
| } |
| } |
| |
| @Override |
| public boolean hasChildren(Object object) |
| { |
| XSDAttributeUse xsdAttributeUse = (XSDAttributeUse)object; |
| XSDAttributeDeclaration xsdAttributeDeclaration = getDelegate(xsdAttributeUse); |
| return |
| xsdAttributeDeclaration != null && itemDelegator.hasChildren(xsdAttributeDeclaration); |
| } |
| |
| /** |
| * This returns XSDAttributeUse.gif. |
| */ |
| @Override |
| public Object getImage(Object object) |
| { |
| XSDAttributeUse xsdAttributeUse = ((XSDAttributeUse)object); |
| XSDAttributeDeclaration xsdAttributeDeclaration = getDelegate(xsdAttributeUse); |
| if (xsdAttributeDeclaration != null) |
| { |
| Collection<Object> images = new ArrayList<Object>(); |
| images.add(itemDelegator.getImage(xsdAttributeDeclaration)); |
| |
| // Try this way, i.e., not showing the 1 case. |
| // |
| if (XSDAttributeUseCategory.REQUIRED_LITERAL != xsdAttributeUse.getUse()) |
| { |
| String imageName = |
| "full/obj16/XSDOccurrence" + |
| (XSDAttributeUseCategory.PROHIBITED_LITERAL == xsdAttributeUse.getUse() ? |
| "Zero" : |
| XSDAttributeUseCategory.REQUIRED_LITERAL == xsdAttributeUse.getUse() ? |
| "One" : |
| "ZeroToOne"); |
| images.add(XSDEditPlugin.INSTANCE.getImage(imageName)); |
| } |
| |
| return new ComposedImage(images); |
| } |
| else |
| { |
| return XSDEditPlugin.INSTANCE.getImage("full/obj16/XSDAttributeUse"); |
| } |
| } |
| |
| @Override |
| public String getText(Object object) |
| { |
| return getText(object, true); |
| } |
| |
| public String getText(Object object, boolean showType) |
| { |
| XSDAttributeUse xsdAttributeUse = ((XSDAttributeUse)object); |
| XSDAttributeDeclaration xsdAttributeDeclaration = getDelegate(xsdAttributeUse); |
| StringBuffer result = new StringBuffer(); |
| if (xsdAttributeDeclaration != null) |
| { |
| result.append(itemDelegator.getText(xsdAttributeDeclaration)); |
| } |
| |
| if (xsdAttributeUse.isSetConstraint()) |
| { |
| if (result.length() != 0) |
| { |
| result.append(" "); |
| } |
| result.append('<'); |
| result.append(xsdAttributeUse.getConstraint()); |
| result.append("=\""); |
| result.append(xsdAttributeUse.getLexicalValue()); |
| result.append("\">"); |
| } |
| |
| return result.toString(); |
| } |
| |
| /** |
| * This handles notification by calling {@link #fireNotifyChanged fireNotifyChanged}. |
| */ |
| @Override |
| public void notifyChanged(Notification msg) |
| { |
| if (msg.getFeature() == xsdPackage.getXSDAttributeUse_Required() || |
| msg.getFeature() == xsdPackage.getXSDAttributeUse_LexicalValue() || |
| msg.getFeature() == xsdPackage.getXSDAttributeUse_Constraint() || |
| msg.getFeature() == xsdPackage.getXSDAttributeUse_AttributeDeclaration() || |
| msg.getFeature() == xsdPackage.getXSDAttributeUse_Use()) |
| { |
| fireNotifyChanged(msg); |
| return; |
| } |
| super.notifyChanged(msg); |
| } |
| |
| /** |
| * This returns a list of child descriptors based on the attributeUse |
| * content, not the attributeUse itself. |
| */ |
| @Override |
| public Collection<?> getNewChildDescriptors(Object object, EditingDomain domain, Object sibling) |
| { |
| Object content = ((XSDAttributeUse) object).getContent(); |
| return domain.getNewChildDescriptors(content, sibling); |
| } |
| |
| /** |
| * This returns Remove and CreateChild commands (at least) that are based |
| * on the attributeUse content, not the attributeUse itself. |
| */ |
| @Override |
| public Command createCommand(final Object object, final EditingDomain domain, Class<? extends Command> commandClass, CommandParameter commandParameter) |
| { |
| if (commandClass == RemoveCommand.class || |
| commandClass == CreateChildCommand.class) |
| { |
| Object owner = ((XSDAttributeUse) object).getContent(); |
| if (owner == null) |
| { |
| return UnexecutableCommand.INSTANCE; |
| } |
| |
| commandParameter.setOwner(owner); |
| |
| // RemoveCommand requires a wrapper that returns the correct affected |
| // object after an execute or redo (the particle or attribute use |
| // itself, instead of its content) |
| if (commandClass == RemoveCommand.class) |
| { |
| return new CommandWrapper( |
| domain.createCommand(commandClass, commandParameter)) |
| { |
| private Collection<?> affectedObjects = Collections.EMPTY_SET; |
| |
| @Override |
| public void execute() |
| { |
| super.execute(); |
| affectedObjects = Collections.singleton(object); |
| } |
| |
| @Override |
| public void undo() |
| { |
| super.undo(); |
| affectedObjects = super.getAffectedObjects(); |
| } |
| |
| @Override |
| public void redo() |
| { |
| super.redo(); |
| affectedObjects = Collections.singleton(object); |
| } |
| |
| @Override |
| public Collection<?> getAffectedObjects() |
| { |
| return affectedObjects; |
| } |
| }; |
| } |
| |
| // CreateChildCommand handles its affected objects correctly |
| return domain.createCommand(commandClass, commandParameter); |
| } |
| return super.createCommand(object, domain, commandClass, commandParameter); |
| } |
| } |
