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org.richfaces.renderkit.html.CollapsiblePanelRenderer Maven / Gradle / Ivy
/*
* 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.DIV_ELEM;
import static org.richfaces.renderkit.HtmlConstants.ID_ATTRIBUTE;
import static org.richfaces.renderkit.HtmlConstants.STYLE_ATTRIBUTE;
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.JSObject;
import org.richfaces.cdk.annotations.JsfRenderer;
import org.richfaces.component.AbstractCollapsiblePanel;
import org.richfaces.component.AbstractTogglePanel;
import org.richfaces.renderkit.util.PanelIcons;
/**
* @author akolonitsky
* @since 2010-08-27
*/
@ResourceDependencies({ @ResourceDependency(library = "org.richfaces", name = "ajax.reslib"),
@ResourceDependency(library = "org.richfaces", name = "base-component.reslib"),
@ResourceDependency(name = "richfaces-event.js"),
@ResourceDependency(library = "org.richfaces", name = "togglePanel.js"),
@ResourceDependency(library = "org.richfaces", name = "togglePanelItem.js"),
@ResourceDependency(library = "org.richfaces", name = "collapsiblePanel.js"),
@ResourceDependency(library = "org.richfaces", name = "collapsiblePanelItem.js"),
@ResourceDependency(library = "org.richfaces", name = "icons.ecss"),
@ResourceDependency(library = "org.richfaces", name = "collapsiblePanel.ecss") })
@JsfRenderer(type = "org.richfaces.CollapsiblePanelRenderer", family = AbstractCollapsiblePanel.COMPONENT_FAMILY)
public class CollapsiblePanelRenderer extends TogglePanelRenderer {
public static final String SWITCH = "switch";
public static final String BEFORE_SWITCH = "beforeswitch";
private final TableIconsRendererHelper headerRenderer = new TableIconsRendererHelper(
"header", "rf-cp") {
protected void encodeHeaderLeftIcon(ResponseWriter writer, FacesContext context, AbstractCollapsiblePanel panel)
throws IOException {
String leftCollapsedIcon = panel.getLeftCollapsedIcon();
if (leftCollapsedIcon == null || leftCollapsedIcon.trim().length() == 0) {
leftCollapsedIcon = PanelIcons.chevronUp.toString();
}
String leftExpandedIcon = panel.getLeftExpandedIcon();
if (leftExpandedIcon == null || leftExpandedIcon.trim().length() == 0) {
leftExpandedIcon = PanelIcons.chevronDown.toString();
}
encodeTdIcon(writer, context, cssClassPrefix + "-ico", leftCollapsedIcon, leftExpandedIcon, PanelIcons.State.header);
}
protected void encodeHeaderRightIcon(ResponseWriter writer, FacesContext context, AbstractCollapsiblePanel panel)
throws IOException {
// TODO nick - should this be "-ico-exp"? also why expanded icon state is connected with right icon alignment?
encodeTdIcon(writer, context, cssClassPrefix + "-exp-ico", panel.getRightCollapsedIcon(),
panel.getRightExpandedIcon(), PanelIcons.State.header);
}
@Override
protected void encodeHeaderTextValue(ResponseWriter writer, FacesContext context, AbstractCollapsiblePanel component)
throws IOException {
writer.startElement(DIV_ELEM, null);
writer.writeAttribute(CLASS_ATTRIBUTE, cssClassPrefix + "-lbl-exp", null);
writeFacetOrAttr(writer, context, component, text, text + "Expanded");
writer.endElement(DIV_ELEM);
writer.startElement(DIV_ELEM, null);
writer.writeAttribute(CLASS_ATTRIBUTE, cssClassPrefix + "-lbl-colps", null);
writeFacetOrAttr(writer, context, component, text, text + "Collapsed");
writer.endElement(DIV_ELEM);
}
};
@Override
protected void doEncodeBegin(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException {
super.doEncodeBegin(writer, context, component);
encodeHeader(writer, context, (AbstractCollapsiblePanel) component);
}
@Override
protected String getStyleClass(UIComponent component) {
return concatClasses("rf-cp", super.getStyleClass(component));
}
@Override
protected JSObject getScriptObject(FacesContext context, UIComponent component) {
return new JSObject("RichFaces.ui.CollapsiblePanel", component.getClientId(context), getScriptObjectOptions(context,
component));
}
@Override
protected Map getScriptObjectOptions(FacesContext context, UIComponent component) {
AbstractTogglePanel panel = (AbstractTogglePanel) component;
Map options = new HashMap();
options.put("activeItem", panel.getActiveItem());
options.put("ajax", getAjaxOptions(context, panel));
options.put("switchMode", panel.getSwitchType());
TogglePanelRenderer.addEventOption(context, panel, options, SWITCH);
TogglePanelRenderer.addEventOption(context, panel, options, BEFORE_SWITCH);
return options;
}
private void encodeHeader(ResponseWriter writer, FacesContext context, AbstractCollapsiblePanel component)
throws IOException {
writer.startElement(DIV_ELEM, null);
writer.writeAttribute(ID_ATTRIBUTE, component.getClientId(context) + ":header", null);
writer.writeAttribute(
CLASS_ATTRIBUTE,
concatClasses("rf-cp-hdr", "rf-cp-hdr-" + (component.isExpanded() ? "exp" : "colps"),
attributeAsString(component, "headerClass")), null);
headerRenderer.encodeHeader(writer, context, component);
writer.endElement(DIV_ELEM);
}
@Override
protected void doEncodeChildren(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException {
AbstractCollapsiblePanel panel = (AbstractCollapsiblePanel) component;
encodeContentChild(writer, context, component, panel);
encodeEmptyChild(writer, context, component, panel);
}
private void encodeContentChild(ResponseWriter writer, FacesContext context, UIComponent component,
AbstractCollapsiblePanel panel) throws IOException {
if (panel.isExpanded()) {
encodeContent(writer, context, component, true);
} else {
switch (panel.getSwitchType()) {
case client:
encodeContent(writer, context, component, false);
break;
case ajax:
context.getResponseWriter().write(getPlaceHolder(panel.getClientId(context) + ":content"));
break;
case server:
// Do nothing.
break;
default:
throw new IllegalStateException("Unknown switch type : " + panel.getSwitchType());
}
}
}
private void encodeEmptyChild(ResponseWriter writer, FacesContext context, UIComponent component,
AbstractCollapsiblePanel panel) throws IOException {
if (!panel.isExpanded()) {
encodeEmptyDiv(writer, context, component, true);
} else {
switch (panel.getSwitchType()) {
case client:
encodeEmptyDiv(writer, context, component, false);
break;
case ajax:
writer.write(getPlaceHolder(panel.getClientId(context) + ":empty"));
break;
case server:
// Do nothing.
break;
default:
throw new IllegalStateException("Unknown switch type : " + panel.getSwitchType());
}
}
}
private String getPlaceHolder(String id) {
return "
";
}
private void encodeContent(ResponseWriter writer, FacesContext context, UIComponent component, boolean visible)
throws IOException {
writer.startElement(DIV_ELEM, component);
writer.writeAttribute(ID_ATTRIBUTE, component.getClientId(context) + ":content", null);
writer.writeAttribute(CLASS_ATTRIBUTE, concatClasses("rf-cp-b", attributeAsString(component, "bodyClass")), null);
writer.writeAttribute(STYLE_ATTRIBUTE, styleElement("display", visible ? "block" : "none"), null);
renderChildren(context, component);
writer.endElement(DIV_ELEM);
}
private void encodeEmptyDiv(ResponseWriter writer, FacesContext context, UIComponent component, boolean visible)
throws IOException {
writer.startElement(DIV_ELEM, component);
writer.writeAttribute(ID_ATTRIBUTE, component.getClientId(context) + ":empty", null);
writer.writeAttribute(CLASS_ATTRIBUTE, "rf-cp-empty", null);
writer.writeAttribute(STYLE_ATTRIBUTE, styleElement("display", visible ? "block" : "none"), null);
writer.endElement(DIV_ELEM);
}
@Override
protected Class getComponentClass() {
return AbstractCollapsiblePanel.class;
}
}
