/*
* 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.extensions.components.javascript;
import org.apache.log4j.Logger;
import com.webobjects.appserver.WOComponent;
import com.webobjects.appserver.WOContext;
import com.webobjects.foundation.NSArray;
import er.extensions.components.ERXComponentUtilities;
import er.extensions.components._private.ERXWOForm;
/**
* Nice guy for performing actions when a popup item is selected.<br />
*
* @binding string
* @binding list
* @binding selectsItem
* @binding popupName
* @binding doNotAddOneToComputedIndex" defaults="Boolean
*/
public class ERXJSPopupSelector extends WOComponent {
/**
* 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 */
public static final Logger log = Logger.getLogger(ERXJSPopupSelector.class);
public ERXJSPopupSelector(WOContext aContext) {
super(aContext);
}
@Override
public boolean isStateless() {
return true;
}
public String onClickString() {
String result = null;
Object item = valueForBinding("selectsItem");
NSArray list = (NSArray) valueForBinding("list");
String popupName = (String) valueForBinding("popupName");
if (list != null && item != null) {
int index = list.indexOfObject(item);
if (index == -1) {
log.info(item + " could not be found in " + list);
}
// by default we assume that there is one more item on top of the
// list (i.e. - none - or - pick one -)
// when the relationship is mandatory, this is not the case
boolean doNotAddOne = ERXComponentUtilities.booleanValueForBinding(this, "doNotAddOneToComputedIndex", false);
if (!doNotAddOne)
index++;
String formName = ERXWOForm.formName(context(), "forms[2]");
result = "javascript:window.document." + formName + "." + popupName + ".selectedIndex=" + index + "; return false;";
}
return result;
}
}