/*
* Copyright (C) NetStruxr, Inc. All rights reserved.
*
* This software is published under the terms of the NetStruxr
* Public Software License version 0.5, a copy of which has been
* included with this distribution in the LICENSE.NPL file. */
package er.directtoweb.components.buttons;
import org.apache.log4j.Logger;
import com.webobjects.appserver.WOComponent;
import com.webobjects.appserver.WOContext;
import com.webobjects.directtoweb.D2W;
import com.webobjects.directtoweb.EditPageInterface;
import com.webobjects.eocontrol.EOEnterpriseObject;
import er.extensions.eof.ERXEOControlUtilities;
import er.extensions.eof.ERXGuardedObjectInterface;
import er.extensions.foundation.ERXValueUtilities;
/**
* Nice edit button for editing a toMany relationship in another page.<br />
* @d2wKey useNestedEditingContext
* @d2wKey isEntityEditable
*/
public class ERDEditButton extends ERDActionButton {
/**
* Do I need to update serialVersionUID?
* See section 5.6 <cite>Type Changes Affecting Serialization</cite> on page 51 of the
* <a href="http://java.sun.com/j2se/1.4/pdf/serial-spec.pdf">Java Object Serialization Spec</a>
*/
private static final long serialVersionUID = 1L;
/** logging support */
private static final Logger log = Logger.getLogger(ERDEditButton.class);
public ERDEditButton(WOContext context) {super(context);}
protected EOEnterpriseObject localInstanceOfObject() {
Object value = d2wContext().valueForKey("useNestedEditingContext");
boolean createNestedContext = ERXValueUtilities.booleanValue(value);
return ERXEOControlUtilities.editableInstanceOfObject(object(), createNestedContext);
}
public boolean isEditable() {
boolean result = ERXValueUtilities.booleanValue(d2wContext().valueForKey("isEntityEditable"));
Object o = object();
if (o instanceof ERXGuardedObjectInterface) {
result = result && ((ERXGuardedObjectInterface)o).canUpdate();
}
return result;
}
public WOComponent editObjectAction() {
EOEnterpriseObject localObject = localInstanceOfObject();
String configuration = (String)valueForBinding("editConfigurationName");
if(log.isDebugEnabled()){
log.debug("configuration = "+configuration);
}
EditPageInterface epi = (EditPageInterface)D2W.factory().pageForConfigurationNamed(configuration, session());
epi.setObject(localObject);
epi.setNextPage(context().page());
localObject.editingContext().hasChanges(); // Ensuring it survives.
return (WOComponent)epi;
}
}