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org.primefaces.mobile.renderkit.DataListRenderer 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.mobile.renderkit;
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.api.UIData;
import org.primefaces.component.datalist.DataList;
import org.primefaces.mobile.renderkit.paginator.PaginatorRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.WidgetBuilder;
public class DataListRenderer extends org.primefaces.component.datalist.DataListRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
decodeBehaviors(context, component);
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
DataList list = (DataList) component;
if(list.isPaginationRequest(context)) {
list.updatePaginationData(context, list);
if(list.isLazy()) {
list.loadLazyData();
}
encodeList(context, list);
}
else {
encodeMarkup(context, list);
encodeScript(context, list);
}
}
@Override
protected void encodeScript(FacesContext context, DataList list) throws IOException {
String clientId = list.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("DataList", list.resolveWidgetVar(), clientId);
if(list.isPaginator()) {
PaginatorRenderer paginatorRenderer = getPaginatorRenderer(context);
paginatorRenderer.encodeScript(context, list, wb);
}
encodeClientBehaviors(context, list);
wb.finish();
}
@Override
public void encodeMarkup(FacesContext context, DataList list) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = list.getClientId(context);
String style = list.getStyle();
String styleClass = list.getStyleClass();
styleClass = (styleClass == null) ? DataList.DATALIST_CLASS : DataList.DATALIST_CLASS + " " + styleClass;
boolean hasPaginator = list.isPaginator();
String paginatorPosition = list.getPaginatorPosition();
PaginatorRenderer paginatorRenderer = getPaginatorRenderer(context);
if(hasPaginator) {
list.calculateFirst();
}
writer.startElement("div", null);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleClass");
if(style != null) {
writer.writeAttribute("style", style, "style");
}
encodeFacet(context, list, "header");
if(hasPaginator && !paginatorPosition.equalsIgnoreCase("bottom")) {
paginatorRenderer.encodeMarkup(context, list, "top");
}
writer.startElement("div", null);
writer.writeAttribute("class", DataList.MOBILE_CONTENT_CLASS, null);
encodeList(context, list);
writer.endElement("div");
if(hasPaginator && !paginatorPosition.equalsIgnoreCase("top")) {
paginatorRenderer.encodeMarkup(context, list, "bottom");
}
encodeFacet(context, list, "footer");
writer.endElement("div");
}
protected void encodeList(FacesContext context, DataList list) throws IOException {
ResponseWriter writer = context.getResponseWriter();
int first = list.getFirst();
int rows = list.getRows() == 0 ? list.getRowCount() : list.getRows();
int pageSize = first + rows;
int rowCount = list.getRowCount();
String varStatus = list.getVarStatus();
Map requestMap = context.getExternalContext().getRequestMap();
String listTag = list.getListTag();
writer.startElement(listTag, null);
writer.writeAttribute("id", list.getClientId(context) + "_list", "id");
if(list.getItemType() != null) {
writer.writeAttribute("type", list.getItemType(), null);
}
renderDynamicPassThruAttributes(context, list);
for (int i = first; i < pageSize; i++) {
if(varStatus != null) {
requestMap.put(varStatus, new org.primefaces.component.datalist.DataListRenderer.VarStatus(first, (pageSize - 1), (i == 0), (i == (rowCount - 1)), i, (i % 2 == 0), (i % 2 == 1), 1));
}
list.setRowIndex(i);
if (list.isRowAvailable()) {
writer.startElement("li", null);
renderChildren(context, list);
writer.endElement("li");
}
}
list.setRowIndex(-1);
if(varStatus != null) {
requestMap.remove(varStatus);
}
writer.endElement(listTag);
}
public void encodeFacet(FacesContext context, UIData data, String facet) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent component = data.getFacet(facet);
if(component != null && component.isRendered()) {
writer.startElement("div", null);
writer.writeAttribute("class", "ui-bar ui-bar-b", null);
writer.writeAttribute("role", "heading", null);
component.encodeAll(context);
writer.endElement("div");
}
}
private PaginatorRenderer getPaginatorRenderer(FacesContext context) {
PaginatorRenderer renderer = ComponentUtils.getUnwrappedRenderer(
context,
"org.primefaces.component",
"org.primefaces.component.PaginatorRenderer",
PaginatorRenderer.class);
return renderer;
}
}