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/*****************************************************************************
* Copyright (c) 2009 Atos Origin.
*
*
* 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:
* Tristan Faure (Atos Origin) tristan.faure@atosorigin.com - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.diagramprofile.parsers;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Status;
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.ui.services.parser.IParserEditStatus;
import org.eclipse.gmf.runtime.common.ui.services.parser.ParserEditStatus;
import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
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.papyrus.diagramprofile.Activator;
import org.eclipse.papyrus.resource.ResourceEObject;
public class ResourceEObjectParser implements ISemanticParser {
private static final Pattern patternForBaseElement = Pattern.compile("base_.*");
private final EStructuralFeature eStructuralFeature;
private String oclRule = "";
public ResourceEObjectParser(String oclRule, EStructuralFeature eStructuralFeature) {
this.oclRule = oclRule;
this.eStructuralFeature = eStructuralFeature;
}
public IContentAssistProcessor getCompletionProcessor(IAdaptable element) {
return null;
}
public String getEditString(IAdaptable element, int flags) {
return getString(element);
}
public ICommand getParseCommand(IAdaptable element, String newString, int flags) {
ICommand result = null;
if (element instanceof EObjectAdapter) {
EObjectAdapter adapter = (EObjectAdapter) element;
if (adapter.getRealObject() instanceof EObject) {
Object runOcl = getEobjectFromOCLRUle(element);
if (runOcl instanceof EObject) {
EObject eobject = (EObject) runOcl;
result = new SetValueCommand(new SetRequest(eobject, eStructuralFeature, newString));
}
}
}
return result;
}
public String getPrintString(IAdaptable element, int flags) {
return getString(element);
}
private Object getEobjectFromOCLRUle(IAdaptable element) {
Object result = null;
if (element instanceof EObjectAdapter) {
EObjectAdapter adapter = (EObjectAdapter) element;
if (adapter.getRealObject() instanceof ResourceEObject) {
ResourceEObject rEobject = (ResourceEObject) adapter.getRealObject();
result = org.eclipse.papyrus.diagramprofile.utils.OCLUtils.runOclRule(oclRule, rEobject);
}
}
return result;
}
private String getString(IAdaptable element) {
Object result = getEobjectFromOCLRUle(element);
if (result != null && result instanceof EObject) {
Object object = ((EObject) result).eGet(eStructuralFeature);
return object == null ? "" : object.toString();
}
return "";
}
private EObject getBaseElement(ResourceEObject rEobject) {
for (EStructuralFeature f : rEobject.eClass().getEAllStructuralFeatures()) {
if (patternForBaseElement.matcher(f.getName()).matches()) {
Object result = rEobject.eGet(f);
if (result != null && result instanceof EObject) {
return (EObject) result;
}
}
}
return null;
}
public boolean isAffectingEvent(Object event, int flags) {
return getEStructuralFeature(event).equals(eStructuralFeature);
}
public IParserEditStatus isValidEditString(IAdaptable element, String editString) {
if (element instanceof EObjectAdapter) {
EObjectAdapter eobjectAdapter = (EObjectAdapter) element;
if (eobjectAdapter.getRealObject() instanceof ResourceEObject) {
return new ParserEditStatus(Status.OK, Activator.PLUGIN_ID, ParserEditStatus.EDITABLE, "ok", null);
}
}
return new ParserEditStatus(Status.ERROR, Activator.PLUGIN_ID, ParserEditStatus.EDITABLE, "error", null);
}
/**
* Get the EStructuralFeature of the given notification
*
* @param notification
* the notification
* @return the EStructuralFeature
*/
protected EStructuralFeature getEStructuralFeature(Object notification) {
EStructuralFeature featureImpl = null;
if (notification instanceof Notification) {
Object feature = ((Notification) notification).getFeature();
if (feature instanceof EStructuralFeature) {
featureImpl = (EStructuralFeature) feature;
}
}
return featureImpl;
}
public boolean areSemanticElementsAffected(EObject listener, Object notification) {
return true;
}
public List getSemanticElementsBeingParsed(EObject element) {
List result = new ArrayList();
result.add(element);
result.add(org.eclipse.papyrus.diagramprofile.utils.OCLUtils.runOclRule(oclRule, element));
return result;
}
}
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