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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
/**
* Copyright 2009-2018 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.toolbar;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.separator.UISeparator;
import org.primefaces.renderkit.CoreRenderer;
public class ToolbarRenderer extends CoreRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Toolbar toolbar = (Toolbar) component;
ResponseWriter writer = context.getResponseWriter();
String style = toolbar.getStyle();
String styleClass = toolbar.getStyleClass();
styleClass = styleClass == null ? Toolbar.CONTAINER_CLASS : Toolbar.CONTAINER_CLASS + " " + styleClass;
writer.startElement("div", toolbar);
writer.writeAttribute("id", toolbar.getClientId(context), null);
writer.writeAttribute("class", styleClass, null);
writer.writeAttribute("role", "toolbar", null);
if (style != null) {
writer.writeAttribute("style", style, null);
}
if (toolbar.getChildCount() > 0) {
encodeToolbarGroups(context, toolbar);
}
else {
encodeFacet(context, toolbar, "left");
encodeFacet(context, toolbar, "right");
}
writer.endElement("div");
}
protected void encodeToolbarGroups(FacesContext context, Toolbar toolbar) throws IOException {
ResponseWriter writer = context.getResponseWriter();
for (UIComponent child : toolbar.getChildren()) {
if (child.isRendered() && child instanceof ToolbarGroup) {
ToolbarGroup group = (ToolbarGroup) child;
String defaultGroupClass = "ui-toolbar-group-" + group.getAlign();
String groupClass = group.getStyleClass();
String groupStyle = group.getStyle();
groupClass = groupClass == null ? defaultGroupClass : defaultGroupClass + " " + groupClass;
writer.startElement("div", null);
writer.writeAttribute("class", groupClass, null);
if (groupStyle != null) {
writer.writeAttribute("style", groupStyle, null);
}
for (UIComponent groupChild : group.getChildren()) {
if (groupChild instanceof UISeparator && groupChild.isRendered()) {
encodeSeparator(context, (UISeparator) groupChild);
}
else {
groupChild.encodeAll(context);
}
}
writer.endElement("div");
}
}
}
protected void encodeFacet(FacesContext context, Toolbar toolbar, String facetName) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent facet = toolbar.getFacet(facetName);
if (facet != null) {
writer.startElement("div", null);
writer.writeAttribute("class", "ui-toolbar-group-" + facetName, null);
facet.encodeAll(context);
writer.endElement("div");
}
}
public void encodeSeparator(FacesContext context, UISeparator separator) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String style = separator.getStyle();
String styleClass = separator.getStyleClass();
styleClass = styleClass == null ? Toolbar.SEPARATOR_CLASS : Toolbar.SEPARATOR_CLASS + " " + styleClass;
writer.startElement("span", null);
writer.writeAttribute("class", styleClass, null);
if (style != null) {
writer.writeAttribute("style", style, null);
}
writer.startElement("span", null);
writer.writeAttribute("class", Toolbar.SEPARATOR_ICON_CLASS, null);
writer.endElement("span");
writer.endElement("span");
}
@Override
public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException {
//Do nothing
}
@Override
public boolean getRendersChildren() {
return true;
}
}