org.primefaces.component.datatable.feature.PageFeature Maven / Gradle / Ivy
/*
* Copyright 2009-2017 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.datatable.feature;
import java.io.IOException;
import javax.faces.context.FacesContext;
import org.primefaces.component.datatable.DataTable;
import org.primefaces.component.datatable.DataTableRenderer;
import org.primefaces.component.datatable.TableState;
import org.primefaces.event.data.PostPageEvent;
public class PageFeature implements DataTableFeature {
public void decode(FacesContext context, DataTable table) {
throw new RuntimeException("PageFeature should not encode.");
}
public void encode(FacesContext context, DataTableRenderer renderer, DataTable table) throws IOException {
table.updatePaginationData(context, table);
boolean isPageState = table.isPageStateRequest(context);
if(table.isLazy() && !isPageState) {
table.loadLazyData();
}
if(!isPageState) {
renderer.encodeTbody(context, table, true);
}
context.getApplication().publishEvent(context, PostPageEvent.class, table);
if(table.isMultiViewState()) {
TableState ts = table.getTableState(true);
ts.setFirst(table.getFirst());
ts.setRows(table.getRows());
}
}
public boolean shouldDecode(FacesContext context, DataTable table) {
return false;
}
public boolean shouldEncode(FacesContext context, DataTable table) {
return table.isPaginationRequest(context);
}
}