/*
* Copyright 2009-2014 PrimeTek.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.component.watermark;
import java.io.IOException;
import java.util.logging.Logger;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import org.primefaces.expression.SearchExpressionFacade;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.WidgetBuilder;
public class WatermarkRenderer extends CoreRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Watermark watermark = (Watermark) component;
String target = null;
String _for = watermark.getFor();
if(_for != null) {
target = SearchExpressionFacade.resolveComponentsForClient(context, watermark, _for);
}
else {
throw new FacesException("\"For\" option must be used to define a watermark.");
}
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("Watermark", watermark.resolveWidgetVar(), watermark.getClientId(context), "watermark")
.attr("value", escapeText(watermark.getValue()))
.attr("target", target);
wb.finish();
}
}