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.widget.window; import org.apache.wicket.Component; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.attributes.CallbackParameter; import org.apache.wicket.core.request.handler.IPartialPageRequestHandler; 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.utils.RequestCycleUtils; import com.googlecode.wicket.kendo.ui.KendoUIBehavior; /** * Provides a {@value #METHOD} behavior * * @author Sebastien Briquet - sebfz1 * @since 6.17.0 */ public class WindowBehavior extends KendoUIBehavior implements IJQueryAjaxAware { private static final long serialVersionUID = 1L; public static final String METHOD = "kendoWindow"; private final IWindowListener listener; private JQueryAjaxBehavior onActionAjaxBehavior = null; private JQueryAjaxBehavior onCloseAjaxBehavior = null; /** * Constructor * * @param selector the html selector (ie: "#myId") * @param listener the {@link IWindowListener} */ public WindowBehavior(String selector, IWindowListener listener) { this(selector, new Options(), listener); } /** * Constructor * * @param selector the html selector (ie: "#myId") * @param options the {@link Options} * @param listener the {@link IWindowListener} */ public WindowBehavior(String selector, Options options, IWindowListener listener) { super(selector, METHOD, options); this.listener = Args.notNull(listener, "listener"); } // Methods // @Override public void bind(Component component) { super.bind(component); if (this.listener.isActionEventEnabled()) { this.onActionAjaxBehavior = this.newOnActionAjaxBehavior(this); component.add(this.onActionAjaxBehavior); } if (this.listener.isCloseEventEnabled()) { this.onCloseAjaxBehavior = this.newOnCloseAjaxBehavior(this); component.add(this.onCloseAjaxBehavior); } } /** * Opens the window in ajax.<br/> * * @param handler the {@link IPartialPageRequestHandler} */ public void open(IPartialPageRequestHandler handler) { if (this.isCentered()) { handler.appendJavaScript(this.widget() + ".center();"); } handler.appendJavaScript(this.widget() + ".open();"); } /** * Closes the window in ajax.<br/> * * @param handler the {@link IPartialPageRequestHandler} */ public void close(IPartialPageRequestHandler handler) { handler.prependJavaScript(this.widget() + ".close();"); } // Properties // /** * Indicates whether the window is centered * * @return false by default */ protected boolean isCentered() { return false; } // Events // @Override public void onConfigure(Component component) { super.onConfigure(component); if (this.onActionAjaxBehavior != null) { // TODO verify if registered multiple times this.register(String.format("%s.wrapper.find('a.k-window-action').click(%s);", this.widget(), this.onActionAjaxBehavior.getCallbackFunction())); } if (this.onCloseAjaxBehavior != null) { this.setOption("close", this.onCloseAjaxBehavior.getCallbackFunction()); } } @Override public void onAjax(AjaxRequestTarget target, JQueryEvent event) { if (event instanceof ActionEvent) { this.listener.onAction(target, ((ActionEvent) event).getAction()); } if (event instanceof CloseEvent) { this.listener.onClose(target); } } // Factories // /** * Gets a new {@link JQueryAjaxBehavior} that will be wired to the 'a.k-window-action click' event, triggered when the user clicks on an action icon * * @param source the {@link IJQueryAjaxAware} * @return a new {@code OnActionAjaxBehavior} by default */ protected JQueryAjaxBehavior newOnActionAjaxBehavior(IJQueryAjaxAware source) { return new OnActionAjaxBehavior(source); } /** * Gets a new {@link JQueryAjaxBehavior} that will be wired to the 'close' event, triggered when the user clicks on the X-icon * * @param source the {@link IJQueryAjaxAware} * @return a new {@code OnCloseAjaxBehavior} by default */ protected JQueryAjaxBehavior newOnCloseAjaxBehavior(IJQueryAjaxAware source) { return new OnCloseAjaxBehavior(source); } // Ajax classes // /** * Provides a {@link JQueryAjaxBehavior} that aims to be wired to the 'a.k-window-action click' event */ protected static class OnActionAjaxBehavior extends JQueryAjaxBehavior { private static final long serialVersionUID = 1L; public OnActionAjaxBehavior(IJQueryAjaxAware source) { super(source); } @Override protected CallbackParameter[] getCallbackParameters() { return new CallbackParameter[] { CallbackParameter.context("e"), // lf CallbackParameter.resolved("action", "jQuery(e.target).attr('class').match(/k-i-(\\w+)/)[1]") // lf }; } @Override protected JQueryEvent newEvent() { return new ActionEvent(); } } /** * Provides a {@link JQueryAjaxBehavior} that aims to be wired to the 'close' event */ protected static class OnCloseAjaxBehavior extends JQueryAjaxBehavior { private static final long serialVersionUID = 1L; public OnCloseAjaxBehavior(IJQueryAjaxAware source) { super(source); } @Override public String getCallbackFunction() { // prevent a dual call to #onClose if called manually return "function(e) { if (e.userTriggered) { " + this.getCallbackScript() + " } }"; } @Override protected JQueryEvent newEvent() { return new CloseEvent(); } } // Event objects // /** * Provides an event object that will be broadcasted by the {@link OnActionAjaxBehavior} callback */ protected static class ActionEvent extends JQueryEvent { private final String action; public ActionEvent() { this.action = RequestCycleUtils.getQueryParameterValue("action").toString(); } public String getAction() { return this.action; } } /** * Provides an event object that will be broadcasted by the {@link OnCloseAjaxBehavior} callback */ protected static class CloseEvent extends JQueryEvent { } }