| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.openmeetings.web.common; |
| |
| import java.util.List; |
| |
| import org.apache.wicket.ajax.AjaxRequestTarget; |
| import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior; |
| import org.apache.wicket.markup.html.form.DropDownChoice; |
| import org.apache.wicket.markup.html.form.Form; |
| import org.apache.wicket.markup.html.panel.Panel; |
| import org.apache.wicket.markup.repeater.data.DataView; |
| import org.apache.wicket.model.PropertyModel; |
| |
| public abstract class PagingNavigatorPanel extends Panel { |
| private static final long serialVersionUID = 1L; |
| private int entitiesPerPage; |
| |
| public PagingNavigatorPanel(String id, final DataView<?> dataView, List<Integer> numbers) { |
| this(id, dataView, numbers, 50); |
| } |
| |
| public PagingNavigatorPanel(String id, final DataView<?> dataView, List<Integer> numbers, int _entitiesPerPage) { |
| super(id); |
| setOutputMarkupId(true); |
| this.entitiesPerPage = _entitiesPerPage; |
| dataView.setItemsPerPage(entitiesPerPage); |
| final Form<Void> f = new Form<Void>("pagingForm"); |
| f.add(new OmPagingNavigator("navigator", dataView).setOutputMarkupId(true)) |
| .add(new DropDownChoice<Integer>("entitiesPerPage", new PropertyModel<Integer>(this, "entitiesPerPage"), numbers) |
| .add(new AjaxFormComponentUpdatingBehavior("change") { |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| protected void onUpdate(AjaxRequestTarget target) { |
| long newPage = dataView.getCurrentPage() * dataView.getItemsPerPage() / entitiesPerPage; |
| dataView.setItemsPerPage(entitiesPerPage); |
| dataView.setCurrentPage(newPage); |
| target.add(f); |
| PagingNavigatorPanel.this.onEvent(target); |
| } |
| })); |
| add(f.setOutputMarkupId(true)); |
| } |
| |
| public int getEntitiesPerPage() { |
| return entitiesPerPage; |
| } |
| |
| public void setEntitiesPerPage(int entitiesPerPage) { |
| this.entitiesPerPage = entitiesPerPage; |
| } |
| |
| protected abstract void onEvent(AjaxRequestTarget target); |
| } |