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.pivot; import java.util.ArrayList; import java.util.List; import org.apache.wicket.AttributeModifier; import org.apache.wicket.ajax.AjaxEventBehavior; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.form.OnChangeAjaxBehavior; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.event.Broadcast; import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow; import org.apache.wicket.markup.head.IHeaderResponse; import org.apache.wicket.markup.head.JavaScriptHeaderItem; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.form.ChoiceRenderer; import org.apache.wicket.markup.html.form.DropDownChoice; import org.apache.wicket.markup.html.list.ListItem; import org.apache.wicket.markup.html.list.ListView; import org.apache.wicket.markup.html.panel.GenericPanel; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.model.IModel; import org.apache.wicket.model.LoadableDetachableModel; import org.apache.wicket.model.PropertyModel; import org.apache.wicket.request.resource.PackageResourceReference; import org.odlabs.wiquery.ui.sortable.SortableBehavior; import ro.nextreports.server.pivot.Aggregator; import ro.nextreports.server.pivot.PivotField; import ro.nextreports.server.pivot.PivotModel; /** * @author Decebal Suiu */ public class PivotAreaPanel extends Panel { private static final long serialVersionUID = 1L; private ListView<PivotField> values; private PivotField.Area area; public PivotAreaPanel(String id, PivotField.Area area) { super(id); this.area = area; add(new Label("name", getString("pivot." + area.getName()).toUpperCase())); final ModalWindow modal = new ModalWindow("modal"); modal.setTitle(getString("pivot.aggregator")); add(modal); WebMarkupContainer fieldsContainer = new WebMarkupContainer("fieldsContainer"); fieldsContainer.setOutputMarkupId(true); fieldsContainer.setMarkupId("area-" + area.getName() + "-" + getSession().nextSequenceValue()); add(fieldsContainer); values = new ListView<PivotField>("values") { private static final long serialVersionUID = 1L; @Override protected void populateItem(ListItem<PivotField> item) { final IModel<PivotField> itemModel = item.getModel(); PivotField pivotField = itemModel.getObject(); String title = pivotField.getTitle(); if (pivotField.getArea().equals(PivotField.Area.DATA)) { title += " (" + pivotField.getAggregator().getFunction().toUpperCase() + ")"; } Label valueLabel = new Label("value", title); if (pivotField.isNumber()) { valueLabel.add(AttributeModifier.append("class", "label-info")); // } else { // valueLabel.add(AttributeModifier.append("class", "label-important")); } if (item.getModelObject().getArea().equals(PivotField.Area.DATA)) { valueLabel.add(new AjaxEventBehavior("onclick") { private static final long serialVersionUID = 1L; protected void onEvent(AjaxRequestTarget target) { final AggregatorPanel panel = new AggregatorPanel(modal.getContentId(), itemModel); modal.setUseInitialHeight(false); modal.setInitialWidth(200); modal.setContent(panel); /* modal.setWindowClosedCallback(new WindowClosedCallback() { private static final long serialVersionUID = 1L; public void onClose(AjaxRequestTarget target) { if (panel.isOkPressed()) { System.out.println(">>> " + itemModel.getObject().getAggregator()); } } }); */ modal.show(target); } }); valueLabel.add(AttributeModifier.append("style", "cursor: pointer;")); } item.add(valueLabel); item.setOutputMarkupId(true); item.setMarkupId("field-" + pivotField.getIndex()); } }; values.setOutputMarkupPlaceholderTag(true); fieldsContainer.add(values); // add dnd support // addSortableBehavior(); setOutputMarkupId(true); } @Override public void renderHead(IHeaderResponse response) { super.renderHead(response); response.render( JavaScriptHeaderItem.forReference(new PackageResourceReference(PivotAreaPanel.class, "pivot.js"))); } @Override protected void onConfigure() { super.onConfigure(); addSortableBehavior(); } @Override protected void onBeforeRender() { // System.out.println("PivotAreaPanel.onBeforeRender() " + getMarkupId()); IModel<List<PivotField>> model = new LoadableDetachableModel<List<PivotField>>() { private static final long serialVersionUID = 1L; @Override protected List<PivotField> load() { return getPivotModel().getFields(area); } }; values.setModel(model); super.onBeforeRender(); } private void addSortableBehavior() { StopSortableAjaxBehavior sortableAjaxBehavior = new StopSortableAjaxBehavior() { private static final long serialVersionUID = 1L; @Override public void onStop(Item[] items, AjaxRequestTarget target) { PivotModel pivotModel = getPivotModel(); for (Item item : items) { PivotField pivotField = pivotModel.getField(item.fieldIndex); pivotField.setArea(PivotField.Area.getValue(item.areaName)); pivotField.setAreaIndex(item.sortIndex); } send(getPage(), Broadcast.BREADTH, new AreaChangedEvent(target)); } }; SortableBehavior sortableBehavior = sortableAjaxBehavior.getSortableBehavior(); sortableBehavior.setConnectWith(".fields-container"); sortableBehavior.setHandle(".initiate"); sortableBehavior.setCursor("move"); sortableBehavior.setForcePlaceholderSize(true); sortableBehavior.setPlaceholder("pivot-placeholder"); sortableBehavior.setOpacity(0.4f); get("fieldsContainer").add(sortableAjaxBehavior); } private PivotModel getPivotModel() { return findParent(PivotPanel.class).getPivotModel(); } private class AggregatorPanel extends GenericPanel<PivotField> { private static final long serialVersionUID = 1L; private Aggregator aggregator; // private boolean okPressed; public AggregatorPanel(String id, final IModel<PivotField> model) { super(id, model); // okPressed = false; aggregator = model.getObject().getAggregator(); List<Aggregator> aggregators = new ArrayList<Aggregator>(); aggregators.add(Aggregator.get(Aggregator.SUM)); aggregators.add(Aggregator.get(Aggregator.AVG)); aggregators.add(Aggregator.get(Aggregator.MIN)); aggregators.add(Aggregator.get(Aggregator.MAX)); aggregators.add(Aggregator.get(Aggregator.COUNT)); final DropDownChoice<Aggregator> aggregatorDownChoice = new DropDownChoice<Aggregator>("aggregator", new PropertyModel<Aggregator>(this, "aggregator"), aggregators, new ChoiceRenderer<Aggregator>("function")); aggregatorDownChoice.add(new OnChangeAjaxBehavior() { private static final long serialVersionUID = 1L; @Override protected void onUpdate(AjaxRequestTarget target) { } }); aggregatorDownChoice.setOutputMarkupId(true); add(aggregatorDownChoice); add(new AjaxLink<Void>("ok") { private static final long serialVersionUID = 1L; public void onClick(AjaxRequestTarget target) { // okPressed = true; getPivotModel().getField(model.getObject().getName()).setAggregator(aggregator); target.add(PivotAreaPanel.this); ModalWindow.closeCurrent(target); } }); } /* public boolean isOkPressed() { return okPressed; } */ } }