Java tutorial
/* * 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 ro.nextreports.server.web.drilldown; import java.util.ArrayList; import java.util.List; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.behavior.AttributeAppender; import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow; import org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator; import org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn; import org.apache.wicket.extensions.markup.html.repeater.data.table.DataTable; import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.form.Form; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.markup.repeater.Item; import org.apache.wicket.model.IModel; import org.apache.wicket.model.Model; import org.apache.wicket.spring.injection.annot.SpringBean; import ro.nextreports.server.domain.Chart; import ro.nextreports.server.domain.DrillDownEntity; import ro.nextreports.server.domain.Entity; import ro.nextreports.server.domain.Report; import ro.nextreports.server.service.StorageService; import ro.nextreports.server.web.common.misc.AjaxConfirmLink; import ro.nextreports.server.web.common.table.BaseTable; import ro.nextreports.server.web.core.EntityBrowserPanel; public class DrillDownEntityPanel extends Panel { private static final long serialVersionUID = 1L; private Entity entity; private DataTable<DrillDownEntity, String> table; private DrillDownEntitiesDataProvider dataProvider; private ModalWindow dialog; @SpringBean private StorageService storageService; public DrillDownEntityPanel(String id, final Entity entity) { super(id); this.entity = entity; init(); } private void init() { add(new Label("legend", getString("ActionContributor.Drill.name"))); add(new Label("entityName", new Model<String>(entity.getName()))); addTable(); dialog = new ModalWindow("dialog"); add(dialog); final AjaxLink addLink = new AjaxLink("addDrill") { @Override public void onClick(AjaxRequestTarget target) { dialog.setTitle(getString("ActionContributor.Drill.addTitle")); dialog.setInitialWidth(400); dialog.setUseInitialHeight(false); dialog.setContent(new AddDrillDownPanel(dialog.getContentId(), entity) { @Override public void onAddDrillDownEntity(AjaxRequestTarget target, Form form, DrillDownEntity drillEntity) { try { ModalWindow.closeCurrent(target); List<DrillDownEntity> drillEntities = getDrillDownEntities(entity); drillEntities.add(drillEntity); storageService.modifyEntity(entity); target.add(table); refreshAddLink(target); } catch (Exception e) { e.printStackTrace(); form.error(e.getMessage()); } } @Override public void onCancel(AjaxRequestTarget target) { ModalWindow.closeCurrent(target); } }); dialog.show(target); } @Override public boolean isEnabled() { List<DrillDownEntity> list = getDrillDownEntities(entity); if (list.size() == 0) { return true; } else { DrillDownEntity last = list.get(list.size() - 1); return (last.getUrl() == null); } } }; addLink.setOutputMarkupId(true); add(addLink); add(new AjaxConfirmLink("deleteDrill") { @Override public void onClick(AjaxRequestTarget target) { try { List<DrillDownEntity> drillEntities = getDrillDownEntities(entity); if (drillEntities.size() > 0) { drillEntities.remove(drillEntities.size() - 1); storageService.modifyEntity(entity); target.add(table); target.add(addLink); } } catch (Exception e) { e.printStackTrace(); error(e.getMessage()); } } @Override public String getMessage() { return getString("ActionContributor.Drill.deleteLast"); } }); add(new AjaxLink("cancel") { @Override public void onClick(AjaxRequestTarget target) { EntityBrowserPanel panel = findParent(EntityBrowserPanel.class); panel.backwardWorkspace(target); } }); } private void refreshAddLink(AjaxRequestTarget target) { target.add(get("addDrill")); } private void addTable() { List<IColumn<DrillDownEntity, String>> columns = new ArrayList<IColumn<DrillDownEntity, String>>(); columns.add(new AbstractColumn<DrillDownEntity, String>( new Model<String>(getString("ActionContributor.Drill.index"))) { @Override public String getCssClass() { return "name-col"; } public void populateItem(Item<ICellPopulator<DrillDownEntity>> item, String componentId, final IModel<DrillDownEntity> rowModel) { final DrillDownEntity drill = rowModel.getObject(); final String index = String.valueOf(drill.getIndex()); item.add(new Label(componentId, new Model<String>(index))); item.add(AttributeAppender.append("class", "name-col")); } }); columns.add(new AbstractColumn<DrillDownEntity, String>( new Model<String>(getString("ActionContributor.Drill.target"))) { public void populateItem(Item<ICellPopulator<DrillDownEntity>> item, String componentId, final IModel<DrillDownEntity> rowModel) { final DrillDownEntity drill = rowModel.getObject(); String path; if (drill.getEntity() == null) { path = drill.getUrl(); } else { path = String.valueOf(drill.getEntity().getPath()); } item.add(new Label(componentId, new Model<String>(path))); } }); columns.add(new AbstractColumn<DrillDownEntity, String>( new Model<String>(getString("ActionContributor.Drill.parameter"))) { public void populateItem(Item<ICellPopulator<DrillDownEntity>> item, String componentId, final IModel<DrillDownEntity> rowModel) { final DrillDownEntity drill = rowModel.getObject(); String param = String.valueOf(drill.getLinkParameter()); if ("null".equals(param)) { param = "-"; } item.add(new Label(componentId, new Model<String>(param))); } }); columns.add(new AbstractColumn<DrillDownEntity, String>( new Model<String>(getString("ActionContributor.Drill.type"))) { public void populateItem(Item<ICellPopulator<DrillDownEntity>> item, String componentId, final IModel<DrillDownEntity> rowModel) { final DrillDownEntity drill = rowModel.getObject(); String entityName = "N/A"; if (drill.getType() == DrillDownEntity.REPORT_TYPE) { entityName = getString("Report"); } else if (drill.getType() == DrillDownEntity.CHART_TYPE) { entityName = getString("Chart"); } else if (drill.getType() == DrillDownEntity.URL_TYPE) { entityName = getString("Url"); } item.add(new Label(componentId, new Model<String>(entityName))); } }); columns.add(new AbstractColumn<DrillDownEntity, String>( new Model<String>(getString("ActionContributor.Drill.column"))) { public void populateItem(Item<ICellPopulator<DrillDownEntity>> item, String componentId, final IModel<DrillDownEntity> rowModel) { final DrillDownEntity drill = rowModel.getObject(); String column = drill.getColumn() == 0 ? "-" : String.valueOf(drill.getColumn()); item.add(new Label(componentId, new Model<String>(column))); } }); dataProvider = new DrillDownEntitiesDataProvider(entity); table = new BaseTable<DrillDownEntity>("table", columns, dataProvider, 300); table.setOutputMarkupId(true); add(table); } public List<DrillDownEntity> getDrillDownEntities(Entity entity) { if (entity instanceof Report) { return ((Report) entity).getDrillDownEntities(); } else if (entity instanceof Chart) { return ((Chart) entity).getDrillDownEntities(); } else { throw new IllegalArgumentException("Invalid entity type."); } } }