org.primefaces.component.rowtoggler.RowTogglerRenderer 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.rowtoggler;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.datatable.DataTable;
import org.primefaces.renderkit.CoreRenderer;
public class RowTogglerRenderer extends CoreRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
ResponseWriter writer = context.getResponseWriter();
RowToggler toggler = (RowToggler) component;
DataTable parentTable = toggler.getParentTable(context);
boolean expanded = parentTable.isExpandedRow();
String icon = expanded ? RowToggler.EXPANDED_ICON : RowToggler.COLLAPSED_ICON;
String expandLabel = toggler.getExpandLabel();
String collapseLabel = toggler.getCollapseLabel();
boolean iconOnly = (expandLabel == null && collapseLabel == null);
String togglerClass = iconOnly ? DataTable.ROW_TOGGLER_CLASS + " " + icon : DataTable.ROW_TOGGLER_CLASS;
writer.startElement("div", toggler);
writer.writeAttribute("class", togglerClass, null);
if(!iconOnly) {
writeLabel(writer, expandLabel, !expanded);
writeLabel(writer, collapseLabel, expanded);
}
writer.endElement("div");
}
protected void writeLabel(ResponseWriter writer, String label, boolean visible) throws IOException {
writer.startElement("span", null);
if(!visible) {
writer.writeAttribute("class", "ui-helper-hidden", null);
}
writer.writeText(label, null);
writer.endElement("span");
}
}