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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.renderkit;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.api.Pageable;
import org.primefaces.component.api.UIData;
import org.primefaces.component.paginator.CurrentPageReportRenderer;
import org.primefaces.component.paginator.FirstPageLinkRenderer;
import org.primefaces.component.paginator.JumpToPageDropdownRenderer;
import org.primefaces.component.paginator.LastPageLinkRenderer;
import org.primefaces.component.paginator.NextPageLinkRenderer;
import org.primefaces.component.paginator.PageLinksRenderer;
import org.primefaces.component.paginator.PaginatorElementRenderer;
import org.primefaces.component.paginator.PrevPageLinkRenderer;
import org.primefaces.component.paginator.RowsPerPageDropdownRenderer;
import org.primefaces.util.MessageFactory;
import org.primefaces.util.WidgetBuilder;
public class DataRenderer extends CoreRenderer {
private static final Map PAGINATOR_ELEMENTS = new HashMap();
static {
PAGINATOR_ELEMENTS.put("{CurrentPageReport}", new CurrentPageReportRenderer());
PAGINATOR_ELEMENTS.put("{FirstPageLink}", new FirstPageLinkRenderer());
PAGINATOR_ELEMENTS.put("{PreviousPageLink}", new PrevPageLinkRenderer());
PAGINATOR_ELEMENTS.put("{NextPageLink}", new NextPageLinkRenderer());
PAGINATOR_ELEMENTS.put("{LastPageLink}", new LastPageLinkRenderer());
PAGINATOR_ELEMENTS.put("{PageLinks}", new PageLinksRenderer());
PAGINATOR_ELEMENTS.put("{RowsPerPageDropdown}", new RowsPerPageDropdownRenderer());
PAGINATOR_ELEMENTS.put("{JumpToPageDropdown}", new JumpToPageDropdownRenderer());
}
public static void addPaginatorElement(String element, PaginatorElementRenderer renderer) {
PAGINATOR_ELEMENTS.put(element, renderer);
}
public static PaginatorElementRenderer removePaginatorElement(String element) {
return PAGINATOR_ELEMENTS.remove(element);
}
protected void encodePaginatorMarkup(FacesContext context, Pageable pageable, String position) throws IOException {
if (!pageable.isPaginatorAlwaysVisible() && pageable.getPageCount() <= 1) {
return;
}
ResponseWriter writer = context.getResponseWriter();
boolean isTop = position.equals("top");
UIComponent leftTopContent = pageable.getFacet("paginatorTopLeft");
UIComponent rightTopContent = pageable.getFacet("paginatorTopRight");
UIComponent leftBottomContent = pageable.getFacet("paginatorBottomLeft");
UIComponent rightBottomContent = pageable.getFacet("paginatorBottomRight");
String styleClass = isTop ? UIData.PAGINATOR_TOP_CONTAINER_CLASS : UIData.PAGINATOR_BOTTOM_CONTAINER_CLASS;
String id = pageable.getClientId(context) + "_paginator_" + position;
//add corners
if (!isTop && pageable.getFooter() == null) {
styleClass = styleClass + " ui-corner-bottom";
}
else if (isTop && pageable.getHeader() == null) {
styleClass = styleClass + " ui-corner-top";
}
String ariaMessage = MessageFactory.getMessage(UIData.ARIA_HEADER_LABEL, new Object[]{});
writer.startElement("div", null);
writer.writeAttribute("id", id, null);
writer.writeAttribute("class", styleClass, null);
writer.writeAttribute("role", "navigation", null);
writer.writeAttribute("aria-label", ariaMessage, null);
if (leftTopContent != null && isTop) {
writer.startElement("div", null);
writer.writeAttribute("class", UIData.PAGINATOR_TOP_LEFT_CONTENT_CLASS, null);
renderChild(context, leftTopContent);
writer.endElement("div");
}
if (rightTopContent != null && isTop) {
writer.startElement("div", null);
writer.writeAttribute("class", UIData.PAGINATOR_TOP_RIGHT_CONTENT_CLASS, null);
renderChild(context, rightTopContent);
writer.endElement("div");
}
String[] elements = pageable.getPaginatorTemplate().split(" ");
for (String element : elements) {
PaginatorElementRenderer renderer = PAGINATOR_ELEMENTS.get(element);
if (renderer != null) {
renderer.render(context, pageable);
}
else {
if (element.startsWith("{") && element.endsWith("}")) {
UIComponent elementFacet = pageable.getFacet(element);
if (elementFacet != null) {
elementFacet.encodeAll(context);
}
}
else {
writer.write(element + " ");
}
}
}
if (leftBottomContent != null && !isTop) {
writer.startElement("div", null);
writer.writeAttribute("class", UIData.PAGINATOR_BOTTOM_LEFT_CONTENT_CLASS, null);
renderChild(context, leftBottomContent);
writer.endElement("div");
}
if (rightBottomContent != null && !isTop) {
writer.startElement("div", null);
writer.writeAttribute("class", UIData.PAGINATOR_BOTTOM_RIGHT_CONTENT_CLASS, null);
renderChild(context, rightBottomContent);
writer.endElement("div");
}
writer.endElement("div");
}
protected void encodePaginatorConfig(FacesContext context, Pageable pageable, WidgetBuilder wb) throws IOException {
String clientId = pageable.getClientId(context);
String paginatorPosition = pageable.getPaginatorPosition();
String paginatorContainers = null;
String currentPageTemplate = pageable.getCurrentPageReportTemplate();
if (paginatorPosition.equalsIgnoreCase("both")) {
paginatorContainers = "'" + clientId + "_paginator_top','" + clientId + "_paginator_bottom'";
}
else {
paginatorContainers = "'" + clientId + "_paginator_" + paginatorPosition + "'";
}
wb.append(",paginator:{")
.append("id:[").append(paginatorContainers).append("]")
.append(",rows:").append(pageable.getRows())
.append(",rowCount:").append(pageable.getRowCount())
.append(",page:").append(pageable.getPage());
if (currentPageTemplate != null) {
String currentPageTemplateTmp = currentPageTemplate.replace("'", "\\'");
wb.append(",currentPageTemplate:'").append(currentPageTemplateTmp).append("'");
}
if (pageable.getPageLinks() != 10) {
wb.append(",pageLinks:").append(pageable.getPageLinks());
}
if (!pageable.isPaginatorAlwaysVisible()) {
wb.append(",alwaysVisible:false");
}
wb.append("}");
}
public void encodeFacet(FacesContext context, UIData data, String facet, String styleClass) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent component = data.getFacet(facet);
if (component != null && component.isRendered()) {
writer.startElement("div", null);
writer.writeAttribute("class", styleClass, null);
component.encodeAll(context);
writer.endElement("div");
}
}
}