/*
* JBoss, Home of Professional Open Source
* Copyright ${year}, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.renderkit.html;
import static org.richfaces.renderkit.HtmlConstants.CLASS_ATTRIBUTE;
import static org.richfaces.renderkit.HtmlConstants.TBODY_ELEMENT;
import static org.richfaces.renderkit.HtmlConstants.TD_ELEM;
import static org.richfaces.renderkit.HtmlConstants.TR_ELEMENT;
import static org.richfaces.renderkit.html.TogglePanelRenderer.addEventOption;
import static org.richfaces.renderkit.html.TogglePanelRenderer.getAjaxOptions;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.event.ActionEvent;
import org.ajax4jsf.javascript.JSObject;
import org.richfaces.cdk.annotations.JsfRenderer;
import org.richfaces.component.AbstractPanelMenu;
import org.richfaces.component.AbstractPanelMenuItem;
import org.richfaces.component.ComponentIterators;
import org.richfaces.renderkit.HtmlConstants;
import org.richfaces.renderkit.RenderKitUtils;
import org.richfaces.renderkit.util.PanelIcons;
import org.richfaces.renderkit.util.PanelIcons.State;
import com.google.common.base.Predicate;
/**
* @author akolonitsky
* @since 2010-10-25
*/
@JsfRenderer(type = "org.richfaces.PanelMenuItemRenderer", family = AbstractPanelMenuItem.COMPONENT_FAMILY)
public class PanelMenuItemRenderer extends DivPanelRenderer {
public static final String UNSELECT = "unselect";
public static final String SELECT = "select";
public static final String BEFORE_SELECT = "beforeselect";
private static final String CSS_CLASS_PREFIX = "rf-pm-itm";
private static final String TOP_CSS_CLASS_PREFIX = "rf-pm-top-itm";
private static final ParentPanelMenuPredicate PARENT_PANEL_MENU_PREDICATE = new ParentPanelMenuPredicate();
@Override
protected void doDecode(FacesContext context, UIComponent component) {
Map<String, String> requestMap = context.getExternalContext().getRequestParameterMap();
AbstractPanelMenuItem menuItem = (AbstractPanelMenuItem) component;
String compClientId = component.getClientId(context);
if (requestMap.get(compClientId) != null) {
if (menuItem.isDisabled() || menuItem.isParentDisabled()) {
return;
}
AbstractPanelMenu parentPanelMenu = getParentPanelMenu(menuItem);
if (parentPanelMenu.isImmediate()) {
menuItem.setImmediate(true);
}
new ActionEvent(menuItem).queue();
context.getPartialViewContext().getRenderIds().add(component.getClientId(context));
}
}
@Override
protected void doEncodeBegin(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException {
super.doEncodeBegin(writer, context, component);
AbstractPanelMenuItem menuItem = (AbstractPanelMenuItem) component;
encodeHeaderGroupBegin(writer, context, menuItem, getCssClass(menuItem, ""));
}
private void encodeHeaderGroupBegin(ResponseWriter writer, FacesContext context, AbstractPanelMenuItem menuItem,
String classPrefix) throws IOException {
writer.startElement("table", null);
writer.writeAttribute(CLASS_ATTRIBUTE, classPrefix + "-gr", null);
writer.startElement(TBODY_ELEMENT, null);
writer.startElement(TR_ELEMENT, null);
encodeHeaderGroupLeftIcon(writer, context, menuItem, classPrefix);
writer.startElement(TD_ELEM, null);
writer.writeAttribute(CLASS_ATTRIBUTE, classPrefix + "-lbl", null);
String label = menuItem.getLabel();
if (label != null) {
writer.writeText(label, null);
}
}
private void encodeHeaderGroupEnd(ResponseWriter writer, FacesContext context, AbstractPanelMenuItem menuItem,
String classPrefix) throws IOException {
writer.endElement(TD_ELEM);
encodeHeaderGroupRightIcon(writer, context, menuItem, classPrefix);
writer.endElement(TR_ELEMENT);
writer.endElement(TBODY_ELEMENT);
writer.endElement("table");
}
private PanelIcons.State getState(AbstractPanelMenuItem item) {
return PanelMenuItemRenderer.isParentPanelMenuDisabled(item) || item.isDisabled() ? State.commonDisabled : State.common;
}
private void encodeHeaderGroupRightIcon(ResponseWriter writer, FacesContext context, AbstractPanelMenuItem menuItem,
String classPrefix) throws IOException {
String icon = PanelMenuItemRenderer.isParentPanelMenuDisabled(menuItem) || menuItem.isDisabled() ? menuItem
.getRightDisabledIcon() : menuItem.getRightIcon();
String cssClasses = concatClasses(classPrefix + "-exp-ico", menuItem.getRightIconClass());
if (icon == null || icon.trim().length() == 0) {
icon = PanelIcons.transparent.toString();
}
encodeTdIcon(writer, context, cssClasses, icon, getState(menuItem));
}
private void encodeHeaderGroupLeftIcon(ResponseWriter writer, FacesContext context, AbstractPanelMenuItem menuItem,
String classPrefix) throws IOException {
String icon = PanelMenuItemRenderer.isParentPanelMenuDisabled(menuItem) || menuItem.isDisabled() ? menuItem
.getLeftDisabledIcon() : menuItem.getLeftIcon();
String cssClasses = concatClasses(classPrefix + "-ico", menuItem.getLeftIconClass());
if (icon == null || icon.trim().length() == 0) {
icon = PanelIcons.transparent.toString();
}
encodeTdIcon(writer, context, cssClasses, icon, getState(menuItem));
}
private boolean isIconRendered(String attrIconValue) {
if (attrIconValue != null && attrIconValue.trim().length() > 0 && !PanelIcons.none.toString().equals(attrIconValue)) {
return true;
}
return false;
}
// TODO nick - the same as in PanelMenuGroupRenderer
public void encodeTdIcon(ResponseWriter writer, FacesContext context, String classPrefix, String attrIconValue,
PanelIcons.State state) throws IOException {
if (!isIconRendered(attrIconValue)) {
return;
}
writer.startElement(TD_ELEM, null);
try {
PanelIcons icon = PanelIcons.valueOf(attrIconValue);
writer.writeAttribute(CLASS_ATTRIBUTE, concatClasses(classPrefix, state.getCssClass(icon)), null);
} catch (IllegalArgumentException e) {
writer.writeAttribute(CLASS_ATTRIBUTE, classPrefix, null);
if (attrIconValue != null && attrIconValue.trim().length() != 0) {
writer.startElement(HtmlConstants.IMG_ELEMENT, null);
writer.writeAttribute(HtmlConstants.ALT_ATTRIBUTE, "", null);
writer.writeURIAttribute(HtmlConstants.SRC_ATTRIBUTE, RenderKitUtils.getResourceURL(attrIconValue, context),
null);
writer.endElement(HtmlConstants.IMG_ELEMENT);
}
}
writer.endElement(TD_ELEM);
}
@Override
protected String getStyleClass(UIComponent component) {
AbstractPanelMenuItem menuItem = (AbstractPanelMenuItem) component;
return concatClasses(
getCssClass(menuItem, ""),
attributeAsString(component, "styleClass"),
PanelMenuItemRenderer.isParentPanelMenuDisabled(menuItem) || menuItem.isDisabled() ? getCssClass(menuItem, "-dis")
: "",
(menuItem.isActiveItem() ? getCssClass(menuItem, "-sel") : ""),
PanelMenuItemRenderer.isParentPanelMenuDisabled(menuItem) || menuItem.isDisabled() ? attributeAsString(component,
"disabledClass") : "");
}
public String getCssClass(AbstractPanelMenuItem item, String postfix) {
return (item.isTopItem() ? TOP_CSS_CLASS_PREFIX : CSS_CLASS_PREFIX) + postfix;
}
@Override
protected JSObject getScriptObject(FacesContext context, UIComponent component) {
return new JSObject("RichFaces.ui.PanelMenuItem", component.getClientId(context), getScriptObjectOptions(context,
component));
}
@Override
protected Map<String, Object> getScriptObjectOptions(FacesContext context, UIComponent component) {
AbstractPanelMenuItem panelMenuItem = (AbstractPanelMenuItem) component;
Map<String, Object> options = new HashMap<String, Object>();
// TODO nick - ajax options should not be rendered in client mode
options.put("ajax", getAjaxOptions(context, panelMenuItem));
options.put("disabled", PanelMenuItemRenderer.isParentPanelMenuDisabled(panelMenuItem) || panelMenuItem.isDisabled());
options.put("mode", panelMenuItem.getMode());
options.put("name", panelMenuItem.getName());
options.put("selectable", panelMenuItem.getSelectable());
options.put("unselectable", panelMenuItem.getUnselectable());
options.put("stylePrefix", getCssClass(panelMenuItem, ""));
addEventOption(context, panelMenuItem, options, UNSELECT);
addEventOption(context, panelMenuItem, options, SELECT);
addEventOption(context, panelMenuItem, options, BEFORE_SELECT);
return options;
}
@Override
protected void doEncodeEnd(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException {
AbstractPanelMenuItem menuItem = (AbstractPanelMenuItem) component;
encodeHeaderGroupEnd(writer, context, menuItem, getCssClass(menuItem, ""));
super.doEncodeEnd(writer, context, component);
Map<String, String> requestMap = context.getExternalContext().getRequestParameterMap();
if (requestMap.get(component.getClientId(context)) != null) {
if (context.getPartialViewContext().isPartialRequest()) {
addOnCompleteParam(context, component.getClientId(context));
}
}
}
@Override
protected Class<? extends UIComponent> getComponentClass() {
return AbstractPanelMenuItem.class;
}
private static AbstractPanelMenu getParentPanelMenu(AbstractPanelMenuItem menuItem) {
return (AbstractPanelMenu) ComponentIterators.getParent(menuItem, PARENT_PANEL_MENU_PREDICATE);
}
static boolean isParentPanelMenuDisabled(AbstractPanelMenuItem menuItem) {
AbstractPanelMenu parentPanelMenu = (AbstractPanelMenu) ComponentIterators.getParent(menuItem,
PARENT_PANEL_MENU_PREDICATE);
if (parentPanelMenu != null) {
return parentPanelMenu.isDisabled();
}
return false;
}
private static class ParentPanelMenuPredicate implements Predicate<UIComponent> {
public boolean apply(UIComponent comp) {
return comp instanceof AbstractPanelMenu;
}
}
}