/*
* Copyright 2009 Prime Technology.
*
* 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.dock;
import java.io.IOException;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.menuitem.MenuItem;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.resource.ResourceUtils;
import org.primefaces.util.ComponentUtils;
public class DockRenderer extends CoreRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Dock dock = (Dock) component;
if(dock.shouldBuildFromModel()) {
dock.buildMenuFromModel();
}
encodeStyle(context,dock);
encodeMarkup(context, dock);
encodeScript(context, dock);
}
protected void encodeStyle(FacesContext context, Dock dock) throws IOException {
//IE specific style class
ResponseWriter responseWriter = context.getResponseWriter();
responseWriter.write("<!--[if lt IE 7]>\n<style type=\"text/css\">\n");
responseWriter.write(".pf-dock img { behavior: url('" + ResourceUtils.getResourceURL(context, "/primefaces/dock/assets/iepngfix.htc") + "');}");
responseWriter.write("</style><![endif]-->");
}
protected void encodeScript(FacesContext facesContext, Dock dock) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = dock.getClientId(facesContext);
String position = dock.getPosition();
String widgetVar = createUniqueWidgetVar(facesContext, dock);
String containerClass = ".pf-dock-container-" + position;
writer.startElement("script", null);
writer.writeAttribute("type", "text/javascript", null);
writer.write(widgetVar + " = new PrimeFaces.widget.Dock('" + clientId + "', {");
writer.write("maxWidth: " + dock.getMaxWidth());
writer.write(",items: 'a'");
writer.write(",itemsText: 'span'");
writer.write(",container: '"+ containerClass + "'");
writer.write(",itemWidth: " + dock.getItemWidth());
writer.write(",proximity: " + dock.getProximity());
writer.write(",halign: '" + dock.getHalign() + "'");
writer.write("});\n");
writer.endElement("script");
}
protected void encodeMarkup(FacesContext facesContext, Dock dock) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = dock.getClientId(facesContext);
String position = dock.getPosition();
writer.startElement("div", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", "pf-dock-" + position, "styleClass");
writer.startElement("div", null);
writer.writeAttribute("class", "pf-dock-container-" + position, null);
encodeMenuItems(facesContext, dock);
writer.endElement("div");
writer.endElement("div");
}
protected void encodeMenuItems(FacesContext facesContext, Dock dock) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
String position = dock.getPosition();
for(UIComponent child : dock.getChildren()) {
if(child instanceof MenuItem && child.isRendered()) {
MenuItem menuitem = (MenuItem) child;
String clientId = menuitem.getClientId(facesContext);
String styleClass = "pf-dock-item-" + position;
if(menuitem.getStyleClass() != null) {
styleClass = styleClass + " " + menuitem.getStyleClass();
}
writer.startElement("a", null);
writer.writeAttribute("id", menuitem.getClientId(facesContext), null);
writer.writeAttribute("class", styleClass, null);
if(menuitem.getStyle() != null) writer.writeAttribute("style", menuitem.getStyle(), null);
if(menuitem.getUrl() != null) {
writer.writeAttribute("href", getResourceURL(facesContext, menuitem.getUrl()), null);
if(menuitem.getOnclick() != null) writer.writeAttribute("onclick", menuitem.getOnclick(), null);
if(menuitem.getTarget() != null) writer.writeAttribute("target", menuitem.getTarget(), null);
} else {
writer.writeAttribute("href", "javascript:void(0)", null);
UIComponent form = ComponentUtils.findParentForm(facesContext, menuitem);
if(form == null) {
throw new FacesException("Dock must be inside a form element");
}
String formClientId = form.getClientId(facesContext);
String command = menuitem.isAjax() ? buildAjaxRequest(facesContext, menuitem, formClientId, clientId) : buildNonAjaxRequest(facesContext, menuitem, formClientId, clientId);
command = menuitem.getOnclick() == null ? command : menuitem.getOnclick() + ";" + command;
writer.writeAttribute("onclick", command, null);
}
if(position.equalsIgnoreCase("top")) {
encodeItemIcon(facesContext, menuitem);
encodeItemLabel(facesContext, menuitem);
}
else{
encodeItemLabel(facesContext, menuitem);
encodeItemIcon(facesContext, menuitem);
}
writer.endElement("a");
}
}
}
protected void encodeItemIcon(FacesContext facesContext, MenuItem menuitem) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
writer.startElement("img", null);
writer.writeAttribute("src", getResourceURL(facesContext, menuitem.getIcon()), null);
writer.endElement("img");
}
protected void encodeItemLabel(FacesContext facesContext, MenuItem menuitem) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
writer.startElement("span", null);
if(menuitem.getValue() != null) writer.write((String) menuitem.getValue());
writer.endElement("span");
}
public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException {
//Do nothing
}
public boolean getRendersChildren() {
return true;
}
}