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org.primefaces.mobile.renderkit.DataGridRenderer 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 javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.datagrid.DataGrid;
import org.primefaces.mobile.renderkit.paginator.PaginatorRenderer;
import org.primefaces.mobile.util.MobileUtils;
import org.primefaces.util.WidgetBuilder;
public class DataGridRenderer extends org.primefaces.component.datagrid.DataGridRenderer {
@Override
protected void encodeScript(FacesContext context, DataGrid grid) throws IOException{
String clientId = grid.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("DataGrid", grid.resolveWidgetVar(), clientId);
if(grid.isPaginator()) {
PaginatorRenderer paginatorRenderer = getPaginatorRenderer(context);
paginatorRenderer.encodeScript(context, grid, wb);
}
encodeClientBehaviors(context, grid);
wb.finish();
}
@Override
protected void encodeMarkup(FacesContext context, DataGrid grid) throws IOException {
if(grid.isLazy()) {
grid.loadLazyData();
}
ResponseWriter writer = context.getResponseWriter();
String clientId = grid.getClientId(context);
boolean hasPaginator = grid.isPaginator();
boolean empty = grid.getRowCount() == 0;
String paginatorPosition = grid.getPaginatorPosition();
String style = grid.getStyle();
String styleClass = grid.getStyleClass() == null ? DataGrid.MOBILE_DATAGRID_CLASS : DataGrid.MOBILE_DATAGRID_CLASS + " " + grid.getStyleClass();
String contentClass;
PaginatorRenderer paginatorRenderer = getPaginatorRenderer(context);
if(empty) {
contentClass = DataGrid.MOBILE_EMPTY_CONTENT_CLASS;
}
else {
contentClass = DataGrid.MOBILE_CONTENT_CLASS;
int columns = grid.getColumns();
if(columns == 0) {
columns = 1;
}
String gridClass = MobileUtils.GRID_MAP.get(columns);
contentClass = contentClass + " " + gridClass;
}
if(hasPaginator) {
grid.calculateFirst();
}
writer.startElement("div", grid);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleClass");
if(style != null) {
writer.writeAttribute("style", style, "style");
}
renderDynamicPassThruAttributes(context, grid);
encodeFacet(context, grid, "header", DataGrid.MOBILE_HEADER_CLASS);
if(hasPaginator && !paginatorPosition.equalsIgnoreCase("bottom")) {
paginatorRenderer.encodeMarkup(context, grid, "top");
}
writer.startElement("div", null);
writer.writeAttribute("id", clientId + "_content", null);
writer.writeAttribute("class", contentClass, null);
if(empty)
writer.write(grid.getEmptyMessage());
else
encodeContent(context, grid);
writer.endElement("div");
if(hasPaginator && !paginatorPosition.equalsIgnoreCase("top")) {
paginatorRenderer.encodeMarkup(context, grid, "bottom");
}
encodeFacet(context, grid, "footer", DataGrid.MOBILE_FOOTER_CLASS);
writer.endElement("div");
}
@Override
protected void encodeContent(FacesContext context, DataGrid grid) throws IOException {
ResponseWriter writer = context.getResponseWriter();
int columns = grid.getColumns();
int first = grid.getFirst();
int rows = grid.getRows();
int last = (rows != 0) ? (first + rows) : grid.getRowCount();
for(int i = first; i < last; i++) {
grid.setRowIndex(i);
if(!grid.isRowAvailable()) {
break;
}
for(UIComponent child : grid.getChildren()) {
if(child.isRendered()) {
int blockKey = (i % columns);
String blockClass = MobileUtils.BLOCK_MAP.get(blockKey);
writer.startElement("div", null);
writer.writeAttribute("class", blockClass, null);
child.encodeAll(context);
writer.endElement("div");
}
}
}
grid.setRowIndex(-1); //cleanup
}
private PaginatorRenderer getPaginatorRenderer(FacesContext context) {
return (PaginatorRenderer) context.getRenderKit().getRenderer("org.primefaces.component", "org.primefaces.component.PaginatorRenderer");
}
}