Java tutorial
/* * Copyright 2003 - 2016 The eFaps Team * * 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.efaps.ui.wicket.components.search; import org.apache.commons.lang.BooleanUtils; import org.apache.wicket.ajax.attributes.AjaxCallListener; import org.apache.wicket.ajax.attributes.AjaxRequestAttributes; import org.apache.wicket.ajax.markup.html.form.AjaxButton; import org.apache.wicket.behavior.AttributeAppender; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.form.HiddenField; import org.apache.wicket.markup.html.panel.GenericPanel; import org.apache.wicket.model.IModel; import org.apache.wicket.model.PropertyModel; import org.efaps.json.index.result.DimValue; import org.efaps.ui.wicket.components.search.IndexSearch.DimTreeNode; /** * The Class DimValuePanel. * * @author The eFaps Team */ public class DimValuePanel extends GenericPanel<DimTreeNode> { /** The Constant serialVersionUID. */ private static final long serialVersionUID = 1L; /** * Instantiates a new dim value panel. * * @param _id the id * @param _model the model */ public DimValuePanel(final String _id, final IModel<DimTreeNode> _model) { super(_id, _model); final WebMarkupContainer cont = new WebMarkupContainer("triStateDiv"); cont.setOutputMarkupId(true); if (_model.getObject().getStatus() != null) { cont.add(new AttributeAppender("class", _model.getObject().getStatus() ? "on" : "off", " ")); } add(cont); final AjaxButton btn = new AjaxButton("triStateBtn") { /** The Constant serialVersionUID. */ private static final long serialVersionUID = 1L; @Override protected void updateAjaxAttributes(final AjaxRequestAttributes _attributes) { super.updateAjaxAttributes(_attributes); final AjaxCallListener lstnr = new AjaxCallListener(); lstnr.onBefore(getJavaScript()); _attributes.getAjaxCallListeners().add(lstnr); } }; cont.add(btn); cont.add(new Label("label", _model.getObject().getLabel())); cont.add(new Label("value", String.valueOf(((DimValue) _model.getObject().getValue()).getValue()))); cont.add(new HiddenField<Boolean>("triStateValue", PropertyModel.of(_model.getObject(), "status")) { /** The Constant serialVersionUID. */ private static final long serialVersionUID = 1L; @Override public boolean isInputNullable() { return true; }; @Override protected String getModelValue() { final Boolean val = (Boolean) getDefaultModelObject(); final String ret; if (BooleanUtils.isFalse(val)) { ret = "off"; } else if (BooleanUtils.isTrue(val)) { ret = "on"; } else { ret = ""; } return ret; }; }.setOutputMarkupId(true)); } /** * Gets the java script. * * @return the java script */ private StringBuilder getJavaScript() { final String divId = get("triStateDiv").getMarkupId(true); get("triStateDiv:triStateBtn").getMarkupId(true); final String valId = get("triStateDiv:triStateValue").getMarkupId(true); final StringBuilder ret = new StringBuilder() .append("require(['dojo/dom-class', 'dojo/dom', 'dojo/on', 'dojo/query', 'dojo/NodeList-traverse',") .append("'dojo/domReady!'], function (domClass, dom, on, query) {\n").append("switch (dom.byId('") .append(valId).append("').value)").append("{").append("case 'on':").append("dom.byId('") .append(valId).append("').value = 'off';").append("domClass.replace('").append(divId) .append("', 'off', 'on');").append("break;").append("case 'off':").append("dom.byId('") .append(valId).append("').value = '';").append("domClass.remove('").append(divId) .append("', 'off');").append("break;").append("default:").append("dom.byId('").append(valId) .append("').value = 'on';").append("domClass.add('").append(divId).append("', 'on');").append("}") .append("});"); return ret; } }