/**
* 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
*/
package org.richfaces.renderkit;
import java.io.IOException;
import java.util.Iterator;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.ajax4jsf.renderkit.HeaderResourcesRendererBase;
import org.ajax4jsf.renderkit.compiler.TemplateContext;
import org.ajax4jsf.util.style.CSSFormat;
import org.richfaces.component.UIPanelMenu;
import org.richfaces.component.UIPanelMenuGroup;
import org.richfaces.component.UIPanelMenuItem;
import org.richfaces.renderkit.html.PanelMenuGroupRenderer;
import org.richfaces.renderkit.html.iconimages.PanelMenuIconChevron;
import org.richfaces.renderkit.html.iconimages.PanelMenuIconChevronDown;
import org.richfaces.renderkit.html.iconimages.PanelMenuIconChevronLeft;
import org.richfaces.renderkit.html.iconimages.PanelMenuIconChevronUp;
import org.richfaces.renderkit.html.iconimages.PanelMenuIconDisc;
import org.richfaces.renderkit.html.iconimages.PanelMenuIconGrid;
import org.richfaces.renderkit.html.iconimages.PanelMenuIconSpacer;
import org.richfaces.renderkit.html.iconimages.PanelMenuIconTriangle;
import org.richfaces.renderkit.html.iconimages.PanelMenuIconTriangleDown;
import org.richfaces.renderkit.html.iconimages.PanelMenuIconTriangleLeft;
import org.richfaces.renderkit.html.iconimages.PanelMenuIconTriangleUp;
/**
* @author hans
*
*/
public abstract class PanelMenuRendererBase extends HeaderResourcesRendererBase {
public final static String PANEL_MENU_SPACER_ICON_NAME = "spacer";
public void insertSpacerImages(FacesContext context , UIComponent component) throws IOException {
ResponseWriter writer = context.getResponseWriter();
int level = calculateLevel(component);
//StringBuffer buffer = new StringBuffer();
String src = getIconByType("custom",false,context,component);
int w = 16; //width(context);
for (int i=0;i<level;i++){
writer.startElement("img", component);
writer.writeAttribute("src", src, null);
writer.writeAttribute("alt", " ", null);
writer.writeAttribute("hspace", "0", null);
writer.writeAttribute("vspace", "0", null);
writer.writeAttribute("height", String.valueOf(w), null);
writer.writeAttribute("width", String.valueOf(w), null);
writer.endElement("img");
}
}
protected int calculateLevel (UIComponent component){
int level = 0;
UIComponent parent = component.getParent();
while(parent != null){
if(parent instanceof UIPanelMenu){
return level;
} else if(parent instanceof UIPanelMenuGroup){
level++;
}
parent = parent.getParent();
}
return level;
}
/**
* If icon type is a pre-defined value, return corresponding image, otherwise
* otherwise
* @param iconType
* @param context
* @param component
* @return URI of requested image
*/
protected String getIconByType(String iconType, boolean isTopLevel, FacesContext context,
UIComponent component){
String source = "";
Boolean topLevel = new Boolean(isTopLevel);
if(iconType != null && !iconType.equals("none")){
if (iconType.equals("custom") || "".equals(iconType)){
source = getResource(PanelMenuIconSpacer.class.getName()).getUri(context, topLevel);
} else if (iconType.equals("spacer")){
source = getResource(PanelMenuIconSpacer.class.getName()).getUri(context, topLevel);
} else if (iconType.equals("triangle")) {
source = getResource(PanelMenuIconTriangle.class.getName()).getUri(context, topLevel);
} else if (iconType.equals("triangleLeft")) {
source = getResource(PanelMenuIconTriangleLeft.class.getName()).getUri(context, topLevel);
} else if (iconType.equals("triangleDown")) {
source = getResource(PanelMenuIconTriangleDown.class.getName()).getUri(context, topLevel);
} else if (iconType.equals("triangleUp")) {
source = getResource(PanelMenuIconTriangleUp.class.getName()).getUri(context, topLevel);
} else if (iconType.equals("chevron")) {
source = getResource(PanelMenuIconChevron.class.getName()).getUri(context, topLevel);
} else if (iconType.equals("chevronLeft")) {
source = getResource(PanelMenuIconChevronLeft.class.getName()).getUri(context, topLevel);
} else if (iconType.equals("chevronUp")) {
source = getResource(PanelMenuIconChevronUp.class.getName()).getUri(context, topLevel);
} else if (iconType.equals("chevronDown")) {
source = getResource(PanelMenuIconChevronDown.class.getName()).getUri(context, topLevel);
} else if (iconType.equals("disc")) {
source = getResource(PanelMenuIconDisc.class.getName()).getUri(context, topLevel);
} else if (iconType.equals("grid")) {
source = getResource(PanelMenuIconGrid.class.getName()).getUri(context, topLevel);
} else {
//TODO by nick - dima - TemplateContext is deprecated and shouldn't be used
source = (String)getUtils().encodeResourceURL(new TemplateContext(this,context,component),iconType);
}
}
return source;
}
protected UIPanelMenu findMenu (UIComponent component){
if (component instanceof UIPanelMenu) return (UIPanelMenu)component;
UIComponent parent = component;
while(parent != null){
if(parent instanceof UIPanelMenu){
return (UIPanelMenu) parent;
}
parent = parent.getParent();
}
return (UIPanelMenu) parent;
}
public String getHideStyle(FacesContext context, UIComponent component) {
if (!(component.getParent() instanceof UIPanelMenu)) {
CSSFormat format = new CSSFormat();
format.add("display", "none");
if(component.getParent() instanceof UIPanelMenuGroup) {
UIPanelMenuGroup parent = (UIPanelMenuGroup)component.getParent();
PanelMenuGroupRenderer renderer = (PanelMenuGroupRenderer) context.getRenderKit().getRenderer(parent.getFamily(), parent.getRendererType());
try {
if ( renderer.isOpened(context, parent) ){
return "";
} else
return format.toString();
} catch (IOException e) {
e.printStackTrace();
}
} else return format.toString();
}
return "";
}
public void insertLabel(FacesContext context, UIComponent component) throws IOException {
Object value = component.getAttributes().get("label");
if (value!=null){
context.getResponseWriter().writeText(value, null);
}
}
protected boolean isChildrenExpanded(UIComponent component){
if (component.getChildren() != null){
Iterator itr = component.getChildren().iterator();
while(itr.hasNext()){
UIComponent child = (UIComponent)itr.next();
if(child instanceof UIPanelMenuGroup){
if( ((UIPanelMenuGroup)child).isExpanded() ){
return true;
} else {
return isChildrenExpanded(child);
}
}
}
}
return false;
}
protected boolean isParentDisabled(UIComponent component){
boolean returnValue = false;
UIComponent parent = component.getParent();
if(parent instanceof UIPanelMenuGroup){
UIPanelMenuGroup parentGroup = (UIPanelMenuGroup)parent;
if(parentGroup.isDisabled()){
returnValue = true;
} else {
returnValue = isParentDisabled(parentGroup);
}
}
return returnValue;
}
protected boolean isSubmitted(FacesContext context, UIComponent component){
boolean submitted = false;
String clientId = component.getClientId(context);
Map requestParameterMap = context.getExternalContext().getRequestParameterMap();
Object value = requestParameterMap.get("panelMenuAction"+clientId);
if (clientId!=null&&value!=null){
if (value.equals(clientId)) {
submitted = true;
}
}
return submitted;
}
protected String getItemMode(UIComponent component) {
String parentExpandMode = findMenu(component).getExpandMode();
String parentMode = findMenu(component).getMode();
if (null == parentMode || "".equals(parentMode))
parentMode = "server";
if (null == parentExpandMode || "".equals(parentExpandMode))
parentExpandMode = "none";
String mode = "none";
if (component instanceof UIPanelMenuGroup) {
UIPanelMenuGroup group = (UIPanelMenuGroup) component;
if (null != group.getExpandMode() && ! "".equals(group.getExpandMode()))
mode = group.getExpandMode();
else
mode = parentExpandMode;
} else if (component instanceof UIPanelMenuItem) {
UIPanelMenuItem item = (UIPanelMenuItem) component;
if (null != item.getMode() && ! "".equals(item.getMode()))
mode = item.getMode();
else
mode = parentMode;
}
return mode;
}
/**
*
* @param component
* @return
*/
public boolean isTopLevel(UIComponent component){
UIComponent parent = component.getParent();
while( !(parent instanceof UIPanelMenu) && !(parent instanceof UIPanelMenuGroup)) {
parent = parent.getParent();
}
if(parent instanceof UIPanelMenu){
return true;
} else {
return false;
}
}
/**
*
* @param writer
* @param iconType
* @param imageSrc
* @param component
* @throws IOException
*/
public void drawIcon(ResponseWriter writer, String iconType, String imageSrc, UIComponent component, String id, boolean drawHidden) throws IOException{
if (iconType != null && !iconType.equals("") && !iconType.equals("none")){
int h = 16; //width(context);
writer.startElement("img", component);
if (drawHidden) {
writer.writeAttribute("style", "display: none;", null);
}
writer.writeAttribute("src", imageSrc, null);
writer.writeAttribute("alt", " ", null);
writer.writeAttribute("vspace", "0", null);
writer.writeAttribute("hspace", "0", null);
writer.writeAttribute("width", String.valueOf(h), null);
writer.writeAttribute("height", String.valueOf(h), null);
writer.writeAttribute("id", id, null);
writer.endElement("img");
}
}
}