org.primefaces.component.paginator.RowsPerPageDropdownRenderer Maven / Gradle / Ivy
/*
* 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.paginator;
import java.io.IOException;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.api.UIData;
public class RowsPerPageDropdownRenderer implements PaginatorElementRenderer {
public void render(FacesContext context, UIData uidata) throws IOException {
String template = uidata.getRowsPerPageTemplate();
if(template != null) {
ResponseWriter writer = context.getResponseWriter();
int actualRows = uidata.getRows();
String[] options = uidata.getRowsPerPageTemplate().split("[,\\s]+");
String label = uidata.getRowsPerPageLabel();
String clientId = uidata.getClientId(context);
String ddId = clientId + "_rppDD";
String labelId = null;
if(label != null) {
labelId = clientId + "_rppLabel";
writer.startElement("label", null);
writer.writeAttribute("id", labelId, null);
writer.writeAttribute("for", ddId, null);
writer.writeAttribute("class", UIData.PAGINATOR_RPP_LABEL_CLASS, null);
writer.writeText(label, null);
writer.endElement("label");
}
writer.startElement("select", null);
writer.writeAttribute("id", ddId, null);
writer.writeAttribute("name", ddId, null);
if(label != null) {
writer.writeAttribute("aria-labelledby", labelId, null);
}
writer.writeAttribute("class", UIData.PAGINATOR_RPP_OPTIONS_CLASS, null);
writer.writeAttribute("autocomplete", "off", null);
for( String option : options){
int rows = Integer.parseInt(option);
writer.startElement("option", null);
writer.writeAttribute("value", rows, null);
if(actualRows == rows){
writer.writeAttribute("selected", "selected", null);
}
writer.writeText(option, null);
writer.endElement("option");
}
writer.endElement("select");
}
}
}