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org.primefaces.component.panel.PanelRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* 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.panel;
import java.io.IOException;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.menu.Menu;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.HTML;
import org.primefaces.util.WidgetBuilder;
public class PanelRenderer extends CoreRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
Panel panel = (Panel) component;
String clientId = panel.getClientId(context);
Map params = context.getExternalContext().getRequestParameterMap();
//Restore toggle state
String collapsedParam = params.get(clientId + "_collapsed");
if(collapsedParam != null) {
panel.setCollapsed(Boolean.valueOf(collapsedParam));
}
//Restore visibility state
String visibleParam = params.get(clientId + "_visible");
if(visibleParam != null) {
panel.setVisible(Boolean.valueOf(visibleParam));
}
decodeBehaviors(context, component);
}
@Override
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
Panel panel = (Panel) component;
encodeMarkup(facesContext, panel);
encodeScript(facesContext, panel);
}
protected void encodeScript(FacesContext context, Panel panel) throws IOException {
String clientId = panel.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("Panel", panel.resolveWidgetVar(), clientId);
if(panel.isToggleable()) {
wb.attr("toggleable", true)
.attr("toggleSpeed", panel.getToggleSpeed())
.attr("collapsed", panel.isCollapsed())
.attr("toggleOrientation", panel.getToggleOrientation());
}
if(panel.isClosable()) {
wb.attr("closable", true)
.attr("closeSpeed", panel.getCloseSpeed());
}
if(panel.getOptionsMenu() != null) {
wb.attr("hasMenu", true);
}
encodeClientBehaviors(context, panel);
wb.finish();
}
protected void encodeMarkup(FacesContext context, Panel panel) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = panel.getClientId(context);
String widgetVar = panel.resolveWidgetVar();
Menu optionsMenu = panel.getOptionsMenu();
boolean collapsed = panel.isCollapsed();
boolean visible = panel.isVisible();
writer.startElement("div", null);
writer.writeAttribute("id", clientId, null);
String styleClass = panel.getStyleClass() == null ? Panel.PANEL_CLASS : Panel.PANEL_CLASS + " " + panel.getStyleClass();
if(collapsed) {
styleClass += " ui-hidden-container";
if(panel.getToggleOrientation().equals("horizontal")) {
styleClass += " ui-panel-collapsed-h";
}
}
if(!visible) {
styleClass += " ui-helper-hidden";
}
writer.writeAttribute("class", styleClass, "styleClass");
if(panel.getStyle() != null) {
writer.writeAttribute("style", panel.getStyle(), "style");
}
writer.writeAttribute(HTML.WIDGET_VAR, widgetVar, null);
renderDynamicPassThruAttributes(context, panel);
encodeHeader(context, panel);
encodeContent(context, panel);
encodeFooter(context, panel);
if(panel.isToggleable()) {
encodeStateHolder(context, panel, clientId + "_collapsed", String.valueOf(collapsed));
}
if(panel.isClosable()) {
encodeStateHolder(context, panel, clientId + "_visible", String.valueOf(visible));
}
if (optionsMenu != null) {
optionsMenu.setOverlay(true);
optionsMenu.setTrigger("@(" + ComponentUtils.escapeJQueryId(clientId) + "_menu)");
optionsMenu.setMy("left top");
optionsMenu.setAt("left bottom");
optionsMenu.encodeAll(context);
}
writer.endElement("div");
}
protected void encodeHeader(FacesContext context, Panel panel) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent header = panel.getFacet("header");
String headerText = panel.getHeader();
String clientId = panel.getClientId(context);
if(headerText == null && header == null) {
return;
}
writer.startElement("div", null);
writer.writeAttribute("id", panel.getClientId(context) + "_header", null);
writer.writeAttribute("class", Panel.PANEL_TITLEBAR_CLASS, null);
//Title
writer.startElement("span", null);
writer.writeAttribute("class", Panel.PANEL_TITLE_CLASS, null);
if(header != null) {
renderChild(context, header);
}
else if(headerText != null) {
writer.writeText(headerText, null);
}
writer.endElement("span");
//Options
if(panel.isClosable()) {
encodeIcon(context, panel, "ui-icon-closethick", clientId + "_closer", panel.getCloseTitle());
}
if(panel.isToggleable()) {
String icon = panel.isCollapsed() ? "ui-icon-plusthick" : "ui-icon-minusthick";
encodeIcon(context, panel, icon, clientId + "_toggler", panel.getToggleTitle());
}
if(panel.getOptionsMenu() != null) {
encodeIcon(context, panel, "ui-icon-gear", clientId + "_menu", panel.getMenuTitle());
}
//Actions
UIComponent actionsFacet = panel.getFacet("actions");
if(actionsFacet != null) {
actionsFacet.encodeAll(context);
}
writer.endElement("div");
}
protected void encodeContent(FacesContext context, Panel panel) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("id", panel.getClientId(context) + "_content", null);
writer.writeAttribute("class", Panel.PANEL_CONTENT_CLASS, null);
if (panel.isCollapsed()) {
writer.writeAttribute("style", "display:none", null);
}
renderChildren(context, panel);
writer.endElement("div");
}
protected void encodeFooter(FacesContext context, Panel panel) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent footer = panel.getFacet("footer");
String footerText = panel.getFooter();
if (footer != null || footerText != null) {
writer.startElement("div", null);
writer.writeAttribute("id", panel.getClientId(context) + "_footer", null);
writer.writeAttribute("class", Panel.PANEL_FOOTER_CLASS, null);
if (footer != null) {
renderChild(context, footer);
} else if (footerText != null) {
writer.writeText(footerText, null);
}
writer.endElement("div");
}
}
protected void encodeIcon(FacesContext context, Panel panel, String iconClass, String id, String title) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("a", null);
if(id != null) {
writer.writeAttribute("id", id, null);
}
writer.writeAttribute("href", "javascript:void(0)", null);
writer.writeAttribute("class", Panel.PANEL_TITLE_ICON_CLASS, null);
if(title != null) {
writer.writeAttribute("title", title, null);
}
writer.startElement("span", null);
writer.writeAttribute("class", "ui-icon " + iconClass, null);
writer.endElement("span");
writer.endElement("a");
}
protected void encodeStateHolder(FacesContext context, Panel panel, String name, String value) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("input", null);
writer.writeAttribute("type", "hidden", null);
writer.writeAttribute("id", name, null);
writer.writeAttribute("name", name, null);
writer.writeAttribute("value", value, null);
writer.endElement("input");
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
//Do nothing
}
@Override
public boolean getRendersChildren() {
return true;
}
}
