/*
* 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;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.faces.application.ResourceDependencies;
import javax.faces.application.ResourceDependency;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.ajax4jsf.javascript.JSFunction;
import org.richfaces.cdk.annotations.JsfRenderer;
import org.richfaces.component.AbstractCollapsibleSubTable;
import org.richfaces.component.AbstractCollapsibleSubTableToggler;
import org.richfaces.renderkit.util.RendererUtils;
import com.google.common.base.Strings;
/**
* @author Anton Belevich
*/
@JsfRenderer(type = "org.richfaces.CollapsibleSubTableTogglerRenderer", family = AbstractCollapsibleSubTableToggler.COMPONENT_FAMILY)
@ResourceDependencies({ @ResourceDependency(library = "javax.faces", name = "jsf.js"),
@ResourceDependency(library = "org.richfaces", name = "jquery.js"),
@ResourceDependency(library = "org.richfaces", name = "richfaces.js"),
@ResourceDependency(library = "org.richfaces", name = "richfaces-queue.reslib"),
@ResourceDependency(library = "org.richfaces", name = "richfaces-event.js"),
@ResourceDependency(library = "org.richfaces", name = "collapsible-subtable-toggler.js"),
@ResourceDependency(library = "org.richfaces", name = "collapsible-subtable.ecss") })
public abstract class CollapsibleSubTableTogglerRendererBase extends RendererBase {
/**
*
*/
private static final RendererUtils RENDERER_UTILS = RendererUtils.getInstance();
private static final String DISPLAY_NONE = "display: none;";
private static final String UP_ICON_URL = "org.richfaces/up_icon.gif";
private static final String DOWN_ICON_URL = "org.richfaces/down_icon.gif";
private static final String EXPANDED_STATE = "expanded";
private static final String COLLAPSED_STATE = "collapsed";
private static final String EXPANDED_CONTROL_CLASS = "rf-csttg-exp";
private static final String COLLAPSED_CONTROL_CLASS = "rf-csttg-colps";
@Override
protected void doDecode(FacesContext context, UIComponent component) {
// TODO - review
context.getPartialViewContext().getRenderIds().add(component.getClientId(context));
}
protected void encodeControl(FacesContext context, UIComponent component) throws IOException {
AbstractCollapsibleSubTableToggler toggleControl = (AbstractCollapsibleSubTableToggler) component;
AbstractCollapsibleSubTable subTable = findComponent(context, toggleControl);
if (subTable != null) {
boolean expanded = subTable.isExpanded();
ResponseWriter writer = context.getResponseWriter();
encodeControl(context, writer, toggleControl, expanded, true);
encodeControl(context, writer, toggleControl, !expanded, false);
JSFunction jsFunction = new JSFunction("new RichFaces.ui.CollapsibleSubTableToggler");
String toggleId = toggleControl.getClientId(context);
jsFunction.addParameter(toggleId);
Map<String, Object> options = encodeOptions(context, toggleControl, subTable);
jsFunction.addParameter(options);
writer.startElement(HtmlConstants.SCRIPT_ELEM, subTable);
writer.writeText(jsFunction.toScript(), null);
writer.endElement(HtmlConstants.SCRIPT_ELEM);
}
}
private boolean isEmpty(String value) {
return (value == null || value.trim().length() == 0);
}
protected void encodeControl(FacesContext context, ResponseWriter writer, AbstractCollapsibleSubTableToggler control,
boolean expanded, boolean visible) throws IOException {
String state = getState(expanded);
String styleClass = getStyleClass(context, control);
String style = getStyle(context, control);
writer.startElement(HtmlConstants.SPAN_ELEM, control);
if (!visible) {
writer.writeAttribute(HtmlConstants.STYLE_ATTRIBUTE, DISPLAY_NONE, null);
}
writer.writeAttribute(HtmlConstants.ID_ATTRIBUTE, control.getClientId(context) + ":" + state, null);
writer.writeAttribute(HtmlConstants.CLASS_ATTRIBUTE,
concatClasses(styleClass, expanded ? EXPANDED_CONTROL_CLASS : COLLAPSED_CONTROL_CLASS), null);
writer.writeAttribute(HtmlConstants.STYLE_ATTRIBUTE, style, null);
UIComponent controlFacet = control.getFacet(state);
if (controlFacet != null && controlFacet.isRendered()) {
if (!visible) {
String facetStyle = (String) controlFacet.getAttributes().get(HtmlConstants.STYLE_ATTRIBUTE);
facetStyle = facetStyle != null ? facetStyle + ";" + DISPLAY_NONE : DISPLAY_NONE;
controlFacet.getAttributes().put(HtmlConstants.STYLE_ATTRIBUTE, facetStyle);
}
controlFacet.encodeAll(context);
}
String expandedIcon = control.getExpandedIcon();
if (isEmpty(expandedIcon)) {
expandedIcon = context.getApplication().getResourceHandler().createResource(DOWN_ICON_URL).getRequestPath();
} else {
expandedIcon = RenderKitUtils.getResourceURL(expandedIcon, context);
}
String collapsedIcon = control.getCollapsedIcon();
if (isEmpty(collapsedIcon)) {
collapsedIcon = context.getApplication().getResourceHandler().createResource(UP_ICON_URL).getRequestPath();
} else {
collapsedIcon = RenderKitUtils.getResourceURL(collapsedIcon, context);
}
String image = expanded ? expandedIcon : collapsedIcon;
if (image != null && image.trim().length() > 0) {
writer.startElement(HtmlConstants.IMG_ELEMENT, control);
writer.writeAttribute(HtmlConstants.SRC_ATTRIBUTE, image, null);
writer.writeAttribute(HtmlConstants.ALT_ATTRIBUTE, "", null);
writer.endElement(HtmlConstants.IMG_ELEMENT);
}
String label = expanded ? control.getExpandedLabel() : control.getCollapsedLabel();
if (label != null && label.trim().length() > 0) {
writer.startElement(HtmlConstants.A_ELEMENT, control);
writer.writeAttribute(HtmlConstants.HREF_ATTR, "javascript:void(0);", null);
writer.writeAttribute(HtmlConstants.CLASS_ATTRIBUTE, "rf-csttg-lnk", null);
writer.writeText(label, null);
writer.endElement(HtmlConstants.A_ELEMENT);
}
writer.endElement(HtmlConstants.SPAN_ELEM);
}
public HashMap<String, Object> encodeOptions(FacesContext context, AbstractCollapsibleSubTableToggler toggleControl,
AbstractCollapsibleSubTable subTable) {
String forId = subTable.getClientId(context);
String toggleControlId = toggleControl.getClientId(context);
HashMap<String, Object> options = new HashMap<String, Object>();
options.put("forId", forId);
options.put("expandedControl", toggleControlId + ":expanded");
options.put("collapsedControl", toggleControlId + ":collapsed");
String eventName = toggleControl.getEvent();
if (Strings.isNullOrEmpty(eventName)) {
eventName = AbstractCollapsibleSubTableToggler.DEFAULT_EVENT;
}
eventName = eventName.trim().startsWith("on") ? eventName.substring(2) : eventName;
options.put("eventName", eventName);
return options;
}
public String getStyleClass(FacesContext context, AbstractCollapsibleSubTableToggler control) {
return null;
}
public String getStyle(FacesContext context, AbstractCollapsibleSubTableToggler control) {
return null;
}
protected AbstractCollapsibleSubTable findComponent(FacesContext context, AbstractCollapsibleSubTableToggler toggleControl) {
String forId = toggleControl.getFor();
if (forId != null && forId.length() > 0) {
UIComponent subTable = RENDERER_UTILS.findComponentFor(toggleControl, forId);
if (subTable instanceof AbstractCollapsibleSubTable) {
return (AbstractCollapsibleSubTable) subTable;
}
}
return null;
}
protected String getState(boolean expanded) {
return expanded ? EXPANDED_STATE : COLLAPSED_STATE;
}
}