/*
* Copyright (c) 2008, 2009 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:
* Michael Golubev (Borland) - initial API and implementation
* Tatiana Fesenko (Borland) - initial API and implementation
*/
package org.eclipse.uml2.diagram.common.parser.stereotype;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.StringTokenizer;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.common.core.util.StringStatics;
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.ui.services.parser.ISemanticParser;
import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
import org.eclipse.osgi.util.NLS;
import org.eclipse.uml2.diagram.common.commands.ApplyStereotypeHelper;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Extension;
import org.eclipse.uml2.uml.Stereotype;
public class AppliedStereotypeParser implements ISemanticParser {
private static final String APPLIED_PROFILE = "\u00AB{0}\u00BB"; //$NON-NLS-1$
protected static final String STEREOTYPE_SEPARATOR = ","; //$NON-NLS-1$
private static final String PLUGIN_ID = "org.eclipse.uml2.diagram.common"; //$NON-NLS-1$
public boolean areSemanticElementsAffected(EObject listener, Object notification) {
if (notification instanceof Notification) {
Object feature = ((Notification) notification).getFeature();
if (feature instanceof EStructuralFeature) {
EStructuralFeature featureImpl = (EStructuralFeature) feature;
return featureImpl.getName().startsWith(Extension.METACLASS_ROLE_PREFIX);
}
}
return false;
}
public List<?> getSemanticElementsBeingParsed(EObject eObject) {
Element element = (Element) eObject;
List<EObject> result = new LinkedList<EObject>();
// result.add(element);
result.addAll(element.getStereotypeApplications());
return result;
}
public IContentAssistProcessor getCompletionProcessor(IAdaptable subject) {
return null;
}
public ICommand getParseCommand(IAdaptable element, String newString, int flags) {
Element subject = doAdapt(element);
List<String> toApply = getStereotypesToApply(newString);
return ApplyStereotypeHelper.getCommand(subject, toApply);
}
public String getEditString(IAdaptable element, int flags) {
Element subject = doAdapt(element);
List<Stereotype> stereos = subject.getAppliedStereotypes();
if (stereos.isEmpty()) {
return ""; //$NON-NLS-1$
}
StringBuffer result = new StringBuffer();
for (Stereotype next : stereos) {
if (result.length() > 0) {
result.append(STEREOTYPE_SEPARATOR + " "); //$NON-NLS-1$
}
result.append(next.getName());
}
return result.toString();
}
public String getPrintString(IAdaptable element, int flags) {
String classifier = getElementLabel(doAdapt(element));
String labelString = this.getLabelString(element, flags);
if (classifier != null) {
String result = classifier;
if (labelString != null && labelString.length() > 0) {
result += STEREOTYPE_SEPARATOR + StringStatics.SPACE + labelString;
}
return NLS.bind(APPLIED_PROFILE, new Object[] { result });
}
return labelString == null || labelString.length() == 0 ? labelString : NLS.bind(APPLIED_PROFILE, new Object[] { labelString });
}
private String getLabelString(IAdaptable element, int flags) {
Element subject = doAdapt(element);
List<Stereotype> stereos = subject.getAppliedStereotypes();
if (stereos.isEmpty()) {
return ""; //$NON-NLS-1$
}
StringBuffer result = new StringBuffer();
for (Stereotype next : stereos) {
if (result.length() > 0) {
result.append(STEREOTYPE_SEPARATOR + " "); //$NON-NLS-1$
}
result.append(next.getLabel());
}
return result.toString();
}
public boolean isAffectingEvent(Object event, int flags) {
return false;
}
public IParserEditStatus isValidEditString(IAdaptable element, String editString) {
Element subject = doAdapt(element);
List<String> toApply = getStereotypesToApply(editString);
List<String> applicables = new ArrayList<String>();
for (Stereotype stereo : subject.getApplicableStereotypes()) {
applicables.add(stereo.getName());
}
for (String str : toApply) {
if (false == applicables.contains(str)) {
return new ParserEditStatus(IStatus.ERROR, PLUGIN_ID, ParserEditStatus.UNEDITABLE, "Unknown stereotype: " + str, null); //$NON-NLS-1$
}
}
return ParserEditStatus.EDITABLE_STATUS;
}
private static List<String> getStereotypesToApply(String editString) {
StringTokenizer t = new StringTokenizer(editString, STEREOTYPE_SEPARATOR);
List<String> toApply = new ArrayList<String>(t.countTokens());
while (t.hasMoreTokens()) {
toApply.add(t.nextToken().trim());
}
return toApply;
}
protected String getElementLabel(Element element) {
return null;
}
protected Element doAdapt(IAdaptable adaptable) {
Element element = (Element) adaptable.getAdapter(EObject.class);
return element;
}
}