//{HEADER
/**
* This class is part of jnex 'Nexirius Application Framework for Java'
*
* Copyright (C) Nexirius GmbH, CH-4450 Sissach, Switzerland (www.nexirius.ch)
*
* <p>This library is free software; you can redistribute it and/or<br>
* modify it under the terms of the GNU Lesser General Public<br>
* License as published by the Free Software Foundation; either<br>
* version 2.1 of the License, or (at your option) any later version.</p>
*
* <p>This library is distributed in the hope that it will be useful,<br>
* but WITHOUT ANY WARRANTY; without even the implied warranty of<br>
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU<br>
* Lesser General Public License for more details.</p>
*
* <p>You should have received a copy of the GNU Lesser General Public<br>
* License along with this library; if not, write to the Free Software<br>
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</p>
* </blockquote>
*
* <p>
* Nexirius GmbH, hereby disclaims all copyright interest in<br>
* the library jnex' 'Nexirius Application Framework for Java' written<br>
* by Marcel Baumann.</p>
*/
//}HEADER
package com.nexirius.framework.htmlview.function;
import com.nexirius.framework.datamodel.DataModel;
import com.nexirius.framework.datamodel.ModelFlag;
import com.nexirius.framework.htmlview.HTMLParser;
import com.nexirius.framework.htmlview.HTMLSessionVariable;
/**
* This class handles the $!flag("childname", "flag", "on text", "off text") function
*/
public class FlagHTMLFunction extends DefaultHTMLFunction {
public String getFunctionName() {
return "flag";
}
/**
* access the first parameter
*
* @return
*/
public String getChildName() {
return getArgument(0);
}
/**
* access the second parameter
*
* @return
*/
public String getFlag() {
return getArgument(1);
}
/**
* access the second parameter
*
* @return
*/
public String getText(boolean on) {
return getArgument(on ? 2 : 3);
}
/**
* translate the function into HTML and write the result back to the parser
*
* @param sessionVariable
* @param parser the parser which translates the embedded commands
* @throws java.lang.Exception
*/
public void translate(HTMLSessionVariable sessionVariable, HTMLParser parser)
throws Exception {
String childName = getChildName();
String flag = getFlag();
DataModel childModel = null;
DataModel model = parser.getModel();
if (childName == null) {
childModel = model;
} else if (model != null) {
childModel = model.getChild(childName);
}
boolean on = childModel.getFlag(new ModelFlag(flag));
String result = getText(on);
parser.getOut().write(result.getBytes());
}
}