/*
* 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.accordionpanel;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.tabview.Tab;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.HTML;
import org.primefaces.util.WidgetBuilder;
public class AccordionPanelRenderer extends CoreRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
AccordionPanel acco = (AccordionPanel) component;
Map<String, String> params = context.getExternalContext().getRequestParameterMap();
String active = params.get(acco.getClientId(context) + "_active");
if(active != null) {
if(isValueBlank(active)) {
acco.setActiveIndex(null);
}
else {
acco.setActiveIndex(active);
}
}
decodeBehaviors(context, component);
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Map<String, String> params = context.getExternalContext().getRequestParameterMap();
AccordionPanel acco = (AccordionPanel) component;
if(acco.isContentLoadRequest(context)) {
String var = acco.getVar();
String clientId = acco.getClientId(context);
if(var == null) {
String tabClientId = params.get(clientId + "_newTab");
Tab tabToLoad = acco.findTab(tabClientId);
tabToLoad.encodeAll(context);
tabToLoad.setLoaded(true);
}
else {
int index = Integer.parseInt(params.get(clientId + "_tabindex"));
acco.setIndex(index);
acco.getChildren().get(0).encodeAll(context);
acco.setIndex(-1);
}
}
else {
encodeMarkup(context, acco);
encodeScript(context, acco);
}
}
protected void encodeMarkup(FacesContext context, AccordionPanel acco) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = acco.getClientId(context);
String widgetVar = acco.resolveWidgetVar();
String styleClass = acco.getStyleClass();
styleClass = styleClass == null ? AccordionPanel.CONTAINER_CLASS : AccordionPanel.CONTAINER_CLASS + " " + styleClass;
if(ComponentUtils.isRTL(context, acco)) {
styleClass = styleClass + " ui-accordion-rtl";
}
writer.startElement("div", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", styleClass, null);
if(acco.getStyle() != null) {
writer.writeAttribute("style", acco.getStyle(), null);
}
writer.writeAttribute("role", "tablist", null);
writer.writeAttribute(HTML.WIDGET_VAR, widgetVar, null);
encodeTabs(context, acco);
encodeStateHolder(context, acco);
writer.endElement("div");
}
protected void encodeScript(FacesContext context, AccordionPanel acco) throws IOException {
String clientId = acco.getClientId(context);
boolean multiple = acco.isMultiple();
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("AccordionPanel", acco.resolveWidgetVar(), clientId);
if(acco.isDynamic()) {
wb.attr("dynamic", true).attr("cache", acco.isCache());
}
wb.attr("multiple", multiple, false)
.callback("onTabChange", "function(panel)", acco.getOnTabChange())
.callback("onTabShow", "function(panel)", acco.getOnTabShow());
encodeClientBehaviors(context, acco);
wb.finish();
}
protected void encodeStateHolder(FacesContext context, AccordionPanel accordionPanel) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = accordionPanel.getClientId(context);
String stateHolderId = clientId + "_active";
writer.startElement("input", null);
writer.writeAttribute("type", "hidden", null);
writer.writeAttribute("id", stateHolderId, null);
writer.writeAttribute("name", stateHolderId, null);
writer.writeAttribute("value", accordionPanel.getActiveIndex(), null);
writer.writeAttribute("autocomplete", "off", null);
writer.endElement("input");
}
protected void encodeTabs(FacesContext context, AccordionPanel acco) throws IOException {
boolean dynamic = acco.isDynamic();
String var = acco.getVar();
List<String> activeIndexes = Arrays.asList(acco.getActiveIndex().split(","));
boolean rtl = acco.getDir().equalsIgnoreCase("rtl");
if(var == null) {
int i = 0;
for(UIComponent child : acco.getChildren()) {
if(child.isRendered() && child instanceof Tab) {
boolean active = activeIndexes.indexOf(Integer.toString(i)) != -1;
encodeTab(context, (Tab) child, active, dynamic, rtl);
i++;
}
}
}
else {
int dataCount = acco.getRowCount();
Tab tab = (Tab) acco.getChildren().get(0);
for(int i = 0; i < dataCount; i++) {
acco.setIndex(i);
boolean active = activeIndexes.indexOf(Integer.toString(i)) != -1;
encodeTab(context, tab, active, dynamic, rtl);
}
acco.setIndex(-1);
}
}
protected void encodeTab(FacesContext context, Tab tab, boolean active, boolean dynamic, boolean rtl) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String headerClass = active ? AccordionPanel.ACTIVE_TAB_HEADER_CLASS : AccordionPanel.TAB_HEADER_CLASS;
headerClass = tab.isDisabled() ? headerClass + " ui-state-disabled" : headerClass;
headerClass = tab.getTitleStyleClass() == null ? headerClass : headerClass + " " + tab.getTitleStyleClass();
String iconClass = active ? AccordionPanel.ACTIVE_TAB_HEADER_ICON_CLASS : (rtl ? AccordionPanel.TAB_HEADER_ICON_RTL_CLASS : AccordionPanel.TAB_HEADER_ICON_CLASS);
String contentClass = active ? AccordionPanel.ACTIVE_TAB_CONTENT_CLASS : AccordionPanel.INACTIVE_TAB_CONTENT_CLASS;
UIComponent titleFacet = tab.getFacet("title");
//header container
writer.startElement("h3", null);
writer.writeAttribute("class", headerClass, null);
writer.writeAttribute("role", "tab", null);
writer.writeAttribute("aria-expanded", String.valueOf(active), null);
if(tab.getTitleStyle() != null) writer.writeAttribute("style", tab.getTitleStyle(), null);
if(tab.getTitletip() != null) writer.writeAttribute("title", tab.getTitletip(), null);
//icon
writer.startElement("span", null);
writer.writeAttribute("class", iconClass, null);
writer.endElement("span");
if(titleFacet == null) {
writer.write(tab.getTitle());
}
else {
titleFacet.encodeAll(context);
}
writer.endElement("h3");
//content
writer.startElement("div", null);
writer.writeAttribute("id", tab.getClientId(context), null);
writer.writeAttribute("class", contentClass, null);
writer.writeAttribute("role", "tabpanel", null);
writer.writeAttribute("aria-hidden", String.valueOf(!active), null);
if(dynamic) {
if(active) {
tab.encodeAll(context);
tab.setLoaded(true);
}
}
else
tab.encodeAll(context);
writer.endElement("div");
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
//Do nothing
}
@Override
public boolean getRendersChildren() {
return true;
}
}