/**
* License Agreement.
*
* JBoss RichFaces - Ajax4jsf Component Library
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Created on 04.07.2006
*/
package org.richfaces.renderkit.html;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.ajax4jsf.renderkit.RendererBase;
import org.richfaces.component.UITogglePanel;
import org.richfaces.event.SwitchablePanelSwitchEvent;
/**
* @author igels
*
*/
public class TogglePanelRenderer extends RendererBase {
/* (non-Javadoc)
* @see org.ajax4jsf.renderkit.RendererBase#getComponentClass()
*/
protected Class getComponentClass() {
return UITogglePanel.class;
}
public void doDecode(FacesContext context, UIComponent component) {
super.doDecode(context, component);
ExternalContext exCtx = context.getExternalContext();
Map rqMap = exCtx.getRequestParameterMap();
Object clnId = rqMap.get(component.getClientId(context));
UITogglePanel panel = (UITogglePanel)component;
if (clnId!=null) {
if (UITogglePanel.CLIENT_METHOD.equals(panel.getSwitchType())) {
new SwitchablePanelSwitchEvent(panel, (String) clnId, null).queue();
}
}
}
private UIComponent getFacet(UITogglePanel togglePanel, String facetName) {
UIComponent child = (UIComponent) togglePanel.getFacet(facetName);
if (child == null) {
throw new FacesException("Facet with name: " + facetName + " not found!");
}
return child;
}
//xxx by nick - denis - do not catch exception, rethrow them
public void handleFacets(FacesContext context, UITogglePanel component) throws IOException {
UITogglePanel panel = (UITogglePanel)component;
List stateOrderList = component.getStateOrderList();
String state = (String) component.getValue();
if (state == null) {
String initialState = component.getInitialState();
if(initialState != null) {
state = initialState;
} else {
if (!stateOrderList.isEmpty()) {
state = (String) stateOrderList.get(0);
} else {
throw new FacesException("The \"initialState\" attribute of the togglePanel component should be set if \"stateOrder\" attribute is empty!");
}
}
}
ResponseWriter out = context.getResponseWriter();
String switchType = panel.getSwitchType();
if(UITogglePanel.CLIENT_METHOD.equals(switchType)) {
// Client
String panelId = panel.getClientId(context);
StringBuffer divIds = new StringBuffer();
boolean first = true;
for (Iterator iterator = stateOrderList.iterator(); iterator.hasNext();) {
String stateName = (String) iterator.next();
UIComponent child = getFacet(component, stateName);
if(!first) {
divIds.append("\", \"");
}
divIds.append(stateName);
first = false;
String id = panel.getClientId(context) + "_" + stateName;
out.startElement("div", component);
out.writeAttribute("id", id, null);
out.writeAttribute("style", "display: " + (stateName.equals(state) ? "inherit": "none"), null);
renderChild(context, child);
out.endElement("div");
}
String idInput = panel.getClientId(context) + "_input";
out.startElement("div", component);
out.writeAttribute("style", "display: none;", null);
out.startElement("input", component);
out.writeAttribute("type", "hidden", null);
out.writeAttribute("id", idInput, null);
out.writeAttribute("name", panel.getClientId(context), null);
out.writeAttribute("value", state, null);
out.endElement("input");
out.endElement("div");
String script = MessageFormat.format(CLIENT_SCRIPT, new Object[]{panelId, divIds.toString(), state});
out.write(script);
// } else if(UITogglePanel.AJAX_METHOD.equals(switchType)) {
// // Ajax
// UIComponent child = getFacet(component, state);
// if(child != null) {
// out.startElement("div", component);
// renderChild(context, child);
// out.endElement("div");
// }
} else {
// Server or AJAX
UIComponent child = getFacet(component, state);
if(child != null) {
out.startElement("div", component);
renderChild(context, child);
out.endElement("div");
}
}
panel.setValue(state);
}
private static final String CLIENT_SCRIPT = "<script type=\"text/javascript\">TogglePanelManager.add(new TogglePanel(\"{0}\", $A([\"{1}\"]), \"{2}\"));</script>";
/* (non-Javadoc)
* @see javax.faces.render.Renderer#getRendersChildren()
*/
public boolean getRendersChildren() {
return true;
}
// public void setValue(FacesContext context, UIComponent component) {
// UITogglePanel panel = (UITogglePanel) component;
// Object value = panel.getValue();
// if (value == null) {
// value = panel.getStateOrderList().size() > 0
// ? panel.getStateOrderList().get(0) : "";
// panel.setValue(value);
// }
// }
}