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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne.modeler.action;
import java.awt.event.ActionEvent;
import org.apache.cayenne.map.DerivedDbEntity;
import org.apache.cayenne.map.event.EntityEvent;
import org.apache.cayenne.map.event.MapEvent;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.util.CayenneAction;
import org.apache.cayenne.modeler.util.ProjectUtil;
import org.apache.cayenne.project.ProjectPath;
/**
* @author Andrei Adamchik
*/
public class DerivedEntitySyncAction extends CayenneAction {
public static String getActionName() {
return "Reset Derived Entity";
}
/**
* Constructor for DerivedEntitySyncAction.
* @param name
*/
public DerivedEntitySyncAction(Application application) {
super(getActionName(), application);
}
/**
* @see org.apache.cayenne.modeler.util.CayenneAction#performAction(ActionEvent)
*/
public void performAction(ActionEvent e) {
DerivedDbEntity ent = (DerivedDbEntity) getProjectController().getCurrentDbEntity();
if (ent != null && ent.getParentEntity() != null) {
ent.resetToParentView();
ProjectUtil.cleanObjMappings(getProjectController().getCurrentDataMap());
// fire a chain of "remove/add" events for entity
// this seems to be the only way to refresh the view
getProjectController().fireObjEntityEvent(
new EntityEvent(this, ent, MapEvent.REMOVE));
getProjectController().fireObjEntityEvent(new EntityEvent(this, ent, MapEvent.ADD));
}
}
/**
* Returns <code>true</code> if path contains a DerivedDbEntity object.
*/
public boolean enableForPath(ProjectPath path) {
if (path == null) {
return false;
}
return path.firstInstanceOf(DerivedDbEntity.class) != null;
}
}