/*******************************************************************************
* Copyright (c) 2007 Exadel, Inc. and Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Exadel, Inc. and Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.seam.pages.xml.model.handlers;
import java.util.*;
import org.jboss.tools.common.model.*;
import org.jboss.tools.common.model.filesystems.FileSystemsHelper;
import org.jboss.tools.common.model.util.FindObjectHelper;
import org.jboss.tools.common.meta.action.impl.*;
import org.jboss.tools.jst.web.model.ReferenceObject;
import org.jboss.tools.seam.pages.xml.model.SeamPagesConstants;
import org.jboss.tools.seam.pages.xml.model.helpers.SeamPagesDiagramStructureHelper;
/**
*
* @author Viacheslav Kabanovich
*
*/
public class SelectOnDiagramHandler extends AbstractHandler implements SeamPagesConstants {
public SelectOnDiagramHandler() {}
public boolean isEnabled(XModelObject object) {
if(object == null || !object.isActive()) return false;
XModelObject f = FileSystemsHelper.getFile(object);
return (f != null && f.getModelEntity().getName().startsWith(SeamPagesConstants.ENT_FILE_SEAM_PAGES));
}
public void executeHandler(XModelObject object, Properties p) throws XModelException {
if(object == null) return;
XModelObject item = getItemOnDiagram(object);
if(item == null) return;
FindObjectHelper.findModelObject(item, FindObjectHelper.IN_EDITOR_ONLY, "Graphical");
FindObjectHelper.findModelObject(object, FindObjectHelper.IN_EDITOR_ONLY);
}
/**
*
* @param object
* @return the best match in diagram XML for argument file XML object.
*/
public static XModelObject getItemOnDiagram(XModelObject object) {
if(object == null) return null;
String entity = object.getModelEntity().getName();
if(entity.startsWith(SeamPagesConstants.ENT_NAVIGATION_RULE)
|| entity.startsWith(SeamPagesConstants.ENT_RULE)) {
object = object.getChildByPath("target");
} else if(entity.startsWith(SeamPagesConstants.ENT_NAVIGATION)) {
XModelObject[] cs = object.getChildren();
if(cs.length != 1) {
object = object.getParent();
} else {
object = cs[0].getChildByPath("target");
}
if(object == null) return null;
} else if(entity.startsWith(SeamPagesConstants.ENT_PARAM)) {
//or should we return object itself, if params are displayed by diagram?
return getItemOnDiagram(object.getParent());
}
XModelObject diagram = SeamPagesDiagramStructureHelper.instance.getDiagram(object);
return (diagram == null) ? null : getItemOnDiagram(diagram, object);
}
private static XModelObject getItemOnDiagram(XModelObject diagramObject, XModelObject object) {
if(diagramObject instanceof ReferenceObject) {
if(((ReferenceObject)diagramObject).getReference() == object) return diagramObject;
}
return getItemOnDiagram(diagramObject.getChildren(), object);
}
private static XModelObject getItemOnDiagram(XModelObject[] diagramObjects, XModelObject object) {
for (int i = 0; i < diagramObjects.length; i++) {
XModelObject cr = getItemOnDiagram(diagramObjects[i], object);
if(cr != null) return cr;
}
return null;
}
}