/*
* Copyright (c) 2007 Borland Software Corporation
*
* 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:
* Sergey Gribovsky (Borland) - initial API and implementation
*/
package org.eclipse.uml2.diagram.activity.parser;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.SortedMap;
import java.util.SortedSet;
import java.util.StringTokenizer;
import java.util.TreeMap;
import java.util.TreeSet;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.common.ui.services.parser.IParserEditStatus;
import org.eclipse.gmf.runtime.common.ui.services.parser.ParserEditStatus;
import org.eclipse.gmf.runtime.emf.type.core.commands.SetValueCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
import org.eclipse.gmf.runtime.emf.ui.services.parser.ISemanticParser;
import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
import org.eclipse.uml2.diagram.common.parser.ElementProvider;
import org.eclipse.uml2.uml.NamedElement;
import org.eclipse.uml2.uml.ObjectNode;
import org.eclipse.uml2.uml.State;
import org.eclipse.uml2.uml.UMLPackage;
public class ObjectNodeInStateParser implements ISemanticParser {
public boolean areSemanticElementsAffected(EObject listener, Object notification) {
return isAffectingEvent(notification, 0);
}
public List<?> getSemanticElementsBeingParsed(EObject eObject) {
return Collections.singletonList(eObject);
}
public IContentAssistProcessor getCompletionProcessor(IAdaptable element) {
return null;
}
public String getEditString(IAdaptable element, int flags) {
EObject eObject = adaptToEObject(element);
if (!(eObject instanceof ObjectNode)) {
return ""; //$NON-NLS-1$
}
EList<State> states = ((ObjectNode) eObject).getInStates();
StringBuffer printStringBuffer = new StringBuffer(states.size() * 20);
for (Iterator<State> statesIterator = states.iterator(); statesIterator.hasNext();) {
printStringBuffer.append(statesIterator.next().getName());
if (statesIterator.hasNext()) {
printStringBuffer.append(", "); //$NON-NLS-1$
}
}
return printStringBuffer.toString();
}
public ICommand getParseCommand(IAdaptable element, String newString, int flags) {
List<State> inStates = new LinkedList<State>();
StringTokenizer tokenizer = new StringTokenizer(newString, ","); //$NON-NLS-1$
while (tokenizer.hasMoreElements()) {
NamedElement foundElement = getElementProvider().findElement(adaptToEObject(element), tokenizer.nextToken());
if (foundElement != null && foundElement instanceof State) {
inStates.add((State) foundElement);
}
}
return new SetValueCommand(new SetRequest(adaptToEObject(element), UMLPackage.eINSTANCE.getObjectNode_InState(), inStates));
}
public String getPrintString(IAdaptable element, int flags) {
StringBuffer result = new StringBuffer(getEditString(element, flags));
if (result.length() > 0) {
result.insert(0, '[');
result.append(']');
}
return result.toString();
}
public boolean isAffectingEvent(Object event, int flags) {
if (event instanceof Notification) {
Object feature = ((Notification) event).getFeature();
return UMLPackage.eINSTANCE.getObjectNode_InState().equals(feature);
}
return false;
}
public IParserEditStatus isValidEditString(IAdaptable element, String editString) {
StringTokenizer tokenizer = new StringTokenizer(editString, ","); //$NON-NLS-1$
while (tokenizer.hasMoreElements()) {
NamedElement foundElement = getElementProvider().findElement(adaptToEObject(element), tokenizer.nextToken());
if (foundElement == null || !(foundElement instanceof State)) {
return new ParserEditStatus(IStatus.ERROR, PLUGIN_ID, ParserEditStatus.UNEDITABLE, "State with corresponding name is not found", null);
}
}
return ParserEditStatus.EDITABLE_STATUS;
}
private ElementProvider getElementProvider() {
if (elementProvider == null) {
elementProvider = new NamedElementProvider(true);
}
return elementProvider;
}
private EObject adaptToEObject(IAdaptable adaptable) {
return (EObject) adaptable.getAdapter(EObject.class);
}
private static final String PLUGIN_ID = "org.eclipse.uml2.diagram.activity"; //$NON-NLS-1$
private ElementProvider elementProvider;
private static class NamedElementProvider extends ElementProvider {
public NamedElementProvider(boolean isCaching) {
super(isCaching);
}
protected boolean isSuitable(Object object) {
return object instanceof State && ((State) object).getName() != null;
}
}
}