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org.primefaces.component.fieldset.FieldsetRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2013 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.fieldset;
import java.io.IOException;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.HTML;
import org.primefaces.util.WidgetBuilder;
public class FieldsetRenderer extends CoreRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
Fieldset fieldset = (Fieldset) component;
Map params = context.getExternalContext().getRequestParameterMap();
String clientId = fieldset.getClientId();
String toggleStateParam = clientId + "_collapsed";
if(params.containsKey(toggleStateParam)) {
fieldset.setCollapsed(Boolean.valueOf(params.get(toggleStateParam)));
}
decodeBehaviors(context, component);
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Fieldset fieldset = (Fieldset) component;
encodeMarkup(context, fieldset);
encodeScript(context, fieldset);
}
protected void encodeMarkup(FacesContext context, Fieldset fieldset) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = fieldset.getClientId(context);
String widgetVar = fieldset.resolveWidgetVar();
boolean toggleable = fieldset.isToggleable();
String styleClass = toggleable ? Fieldset.TOGGLEABLE_FIELDSET_CLASS : Fieldset.FIELDSET_CLASS;
if(fieldset.isCollapsed()) {
styleClass = styleClass + " ui-hidden-container";
}
if(fieldset.getStyleClass() != null) {
styleClass = styleClass + " " + fieldset.getStyleClass();
}
writer.startElement("fieldset", fieldset);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleClass");
if(fieldset.getStyle() != null) {
writer.writeAttribute("style", fieldset.getStyle(), "style");
}
writer.writeAttribute(HTML.WIDGET_VAR, widgetVar, null);
encodeLegend(context, fieldset);
encodeContent(context, fieldset);
if(toggleable) {
encodeStateHolder(context, fieldset);
}
writer.endElement("fieldset");
}
protected void encodeContent(FacesContext context, Fieldset fieldset) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", Fieldset.CONTENT_CLASS, null);
if(fieldset.isCollapsed()) {
writer.writeAttribute("style", "display:none", null);
}
renderChildren(context, fieldset);
writer.endElement("div");
}
protected void encodeScript(FacesContext context, Fieldset fieldset) throws IOException {
String clientId = fieldset.getClientId(context);
boolean toggleable = fieldset.isToggleable();
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("Fieldset", fieldset.resolveWidgetVar(), clientId);
if(toggleable) {
wb.attr("toggleable", true)
.attr("collapsed", fieldset.isCollapsed())
.attr("toggleSpeed", fieldset.getToggleSpeed());
}
encodeClientBehaviors(context, fieldset);
wb.finish();
}
protected void encodeLegend(FacesContext context, Fieldset fieldset) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String legendText = fieldset.getLegend();
UIComponent legend = fieldset.getFacet("legend");
if(legendText != null || legend != null) {
writer.startElement("legend", null);
writer.writeAttribute("class", Fieldset.LEGEND_CLASS, null);
if(fieldset.isToggleable()) {
String togglerClass = fieldset.isCollapsed() ? Fieldset.TOGGLER_PLUS_CLASS : Fieldset.TOGGLER_MINUS_CLASS;
writer.startElement("span", null);
writer.writeAttribute("class", togglerClass, null);
writer.endElement("span");
}
if(legend != null)
legend.encodeAll(context);
else
writer.write(fieldset.getLegend());
writer.endElement("legend");
}
}
protected void encodeStateHolder(FacesContext context, Fieldset fieldset) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String name = fieldset.getClientId(context) + "_collapsed";
writer.startElement("input", null);
writer.writeAttribute("type", "hidden", null);
writer.writeAttribute("id", name, null);
writer.writeAttribute("name", name, null);
writer.writeAttribute("value", String.valueOf(fieldset.isCollapsed()), null);
writer.endElement("input");
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
//Rendering happens on encodeEnd
}
@Override
public boolean getRendersChildren() {
return true;
}
}