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 com.googlecode.wicket.kendo.ui.form.datetime; import org.apache.wicket.Component; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.util.lang.Args; import com.googlecode.wicket.jquery.core.JQueryEvent; import com.googlecode.wicket.jquery.core.Options; import com.googlecode.wicket.jquery.core.ajax.IJQueryAjaxAware; import com.googlecode.wicket.jquery.core.ajax.JQueryAjaxBehavior; import com.googlecode.wicket.jquery.core.ajax.JQueryAjaxPostBehavior; import com.googlecode.wicket.jquery.core.event.IValueChangedListener; import com.googlecode.wicket.kendo.ui.KendoUIBehavior; import com.googlecode.wicket.kendo.ui.ajax.OnChangeAjaxBehavior; import com.googlecode.wicket.kendo.ui.ajax.OnChangeAjaxBehavior.ChangeEvent; /** * Provides a {@value #METHOD} behavior * * @author Sebastien Briquet - sebfz1 */ public class DatePickerBehavior extends KendoUIBehavior implements IJQueryAjaxAware { private static final long serialVersionUID = 1L; public static final String METHOD = "kendoDatePicker"; private final IValueChangedListener listener; private JQueryAjaxBehavior onChangeAjaxBehavior = null; /** * Constructor * * @param selector the html selector (ie: "#myId") * @param listener the {@code IValueChangedListener} */ public DatePickerBehavior(String selector, IValueChangedListener listener) { this(selector, new Options(), listener); } /** * Constructor * * @param selector the html selector (ie: "#myId") * @param options the {@link Options} * @param listener the {@code IValueChangedListener} */ public DatePickerBehavior(String selector, Options options, IValueChangedListener listener) { super(selector, METHOD, options); this.listener = Args.notNull(listener, "listener"); } // Methods // @Override public void bind(Component component) { super.bind(component); this.onChangeAjaxBehavior = this.newOnChangeAjaxBehavior(this); component.add(this.onChangeAjaxBehavior); } // Events // @Override public void onConfigure(Component component) { super.onConfigure(component); if (this.onChangeAjaxBehavior != null) { this.setOption("change", this.onChangeAjaxBehavior.getCallbackFunction()); } } @Override public void onAjax(AjaxRequestTarget target, JQueryEvent event) { if (event instanceof ChangeEvent) { this.listener.onValueChanged(target); } } // Factories // /** * Gets a new {@link JQueryAjaxPostBehavior} that will be wired to the 'change' event * * @param source the {@link IJQueryAjaxAware} * @return a new {@code OnChangeAjaxBehavior} by default */ protected JQueryAjaxPostBehavior newOnChangeAjaxBehavior(IJQueryAjaxAware source) { return new OnChangeAjaxBehavior(source); } }