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org.primefaces.component.panel.PanelRenderer Maven / Gradle / Ivy
/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
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.MessageFactory;
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.parseBoolean(collapsedParam));
if (panel.isMultiViewState()) {
PanelState ps = panel.getMultiViewState(true);
ps.setCollapsed(panel.isCollapsed());
}
}
//Restore visibility state
String visibleParam = params.get(clientId + "_visible");
if (visibleParam != null) {
panel.setVisible(Boolean.parseBoolean(visibleParam));
}
decodeBehaviors(context, component);
}
@Override
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
Panel panel = (Panel) component;
Menu optionsMenu = panel.getOptionsMenu();
if (panel.isMultiViewState()) {
panel.restoreMultiViewState();
}
encodeMarkup(facesContext, panel, optionsMenu);
encodeScript(facesContext, panel, optionsMenu);
}
protected void encodeScript(FacesContext context, Panel panel, Menu optionsMenu) throws IOException {
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("Panel", panel);
if (panel.isToggleable()) {
wb.attr("toggleable", true)
.attr("toggleSpeed", panel.getToggleSpeed())
.attr("collapsed", panel.isCollapsed())
.attr("toggleOrientation", panel.getToggleOrientation())
.attr("toggleableHeader", panel.isToggleableHeader())
.attr("multiViewState", panel.isMultiViewState(), false);
}
if (panel.isClosable()) {
wb.attr("closable", true)
.attr("closeSpeed", panel.getCloseSpeed());
}
if (optionsMenu != null) {
wb.attr("hasMenu", true);
}
encodeClientBehaviors(context, panel);
wb.finish();
}
protected void encodeMarkup(FacesContext context, Panel panel, Menu optionsMenu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = panel.getClientId(context);
String widgetVar = panel.resolveWidgetVar(context);
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);
writer.writeAttribute(HTML.ARIA_ROLE, "region", null);
boolean isRenderHeader = shouldRenderHeader(context, panel);
if (isRenderHeader) {
writer.writeAttribute(HTML.ARIA_LABELLEDBY, clientId + "_header", null);
}
renderDynamicPassThruAttributes(context, panel);
if (isRenderHeader) {
encodeHeader(context, panel, optionsMenu);
}
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.escapeSelector(clientId) + "_menu)");
optionsMenu.setMy("left top");
optionsMenu.setAt("left bottom");
optionsMenu.encodeAll(context);
}
writer.endElement("div");
}
protected boolean shouldRenderHeader(FacesContext context, Panel panel) throws IOException {
UIComponent header = panel.getFacet("header");
String headerText = panel.getHeader();
boolean shouldRenderFacet = ComponentUtils.shouldRenderFacet(header, panel.isRenderEmptyFacets());
if (headerText == null && !shouldRenderFacet) {
return false;
}
return true;
}
protected void encodeHeader(FacesContext context, Panel panel, Menu optionsMenu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent header = panel.getFacet("header");
String headerText = panel.getHeader();
String clientId = panel.getClientId(context);
boolean shouldRenderFacet = ComponentUtils.shouldRenderFacet(header, panel.isRenderEmptyFacets());
writer.startElement("div", null);
writer.writeAttribute("id", panel.getClientId(context) + "_header", null);
writer.writeAttribute("class", Panel.PANEL_TITLEBAR_CLASS, null);
if (panel.isToggleable()) {
writer.writeAttribute(HTML.ARIA_ROLE, "button", null);
writer.writeAttribute(HTML.ARIA_EXPANDED, String.valueOf(!panel.isCollapsed()), null);
writer.writeAttribute(HTML.ARIA_CONTROLS, clientId + "_content", null);
}
//Title
writer.startElement("span", null);
writer.writeAttribute("class", Panel.PANEL_TITLE_CLASS, null);
if (shouldRenderFacet) {
renderChild(context, header);
}
else {
writer.writeText(headerText, null);
}
writer.endElement("span");
//Options
if (panel.isClosable()) {
encodeIcon(context, panel, "ui-icon-closethick", clientId + "_closer", panel.getCloseTitle(), MessageFactory.getMessage(Panel.ARIA_CLOSE));
}
if (panel.isToggleable()) {
String icon = panel.isCollapsed() ? "ui-icon-plusthick" : "ui-icon-minusthick";
encodeIcon(context, panel, icon, clientId + "_toggler", panel.getToggleTitle(), MessageFactory.getMessage(Panel.ARIA_TOGGLE));
}
if (optionsMenu != null) {
encodeIcon(context, panel, "ui-icon-gear", clientId + "_menu", panel.getMenuTitle(), MessageFactory.getMessage(Panel.ARIA_OPTIONS_MENU));
}
//Actions
UIComponent actionsFacet = panel.getFacet("actions");
if (ComponentUtils.shouldRenderFacet(actionsFacet)) {
writer.startElement("div", null);
writer.writeAttribute("class", Panel.PANEL_ACTIONS_CLASS, null);
actionsFacet.encodeAll(context);
writer.endElement("div");
}
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();
boolean shouldRenderFacet = ComponentUtils.shouldRenderFacet(footer, panel.isRenderEmptyFacets());
if (footerText == null && !shouldRenderFacet) {
return;
}
writer.startElement("div", null);
writer.writeAttribute("id", panel.getClientId(context) + "_footer", null);
writer.writeAttribute("class", Panel.PANEL_FOOTER_CLASS, null);
if (shouldRenderFacet) {
renderChild(context, footer);
}
else {
writer.writeText(footerText, null);
}
writer.endElement("div");
}
protected void encodeIcon(FacesContext context, Panel panel, String iconClass, String id, String title, String ariaLabel) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("a", null);
if (id != null) {
writer.writeAttribute("id", id, null);
}
writer.writeAttribute("href", "#", null);
writer.writeAttribute("class", Panel.PANEL_TITLE_ICON_CLASS, null);
if (title != null) {
writer.writeAttribute("title", title, null);
}
if (ariaLabel != null) {
writer.writeAttribute(HTML.ARIA_LABEL, ariaLabel, 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 {
renderHiddenInput(context, name, value, false);
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
//Do nothing
}
@Override
public boolean getRendersChildren() {
return true;
}
}
