Java tutorial
/* * Artifactory is a binaries repository manager. * Copyright (C) 2012 JFrog Ltd. * * Artifactory is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Artifactory is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Artifactory. If not, see <http://www.gnu.org/licenses/>. */ package org.artifactory.common.wicket.component.confirm; import org.apache.commons.lang.StringUtils; import org.apache.wicket.ajax.AjaxEventBehavior; import org.apache.wicket.ajax.AjaxRequestTarget; import org.artifactory.common.wicket.util.WicketUtils; import static org.artifactory.common.wicket.util.JavaScriptUtils.jsFunctionCall; /** * @author Yoav Aharoni */ public class AjaxConfirm { private static final AjaxConfirm INSTANCE = new AjaxConfirm(); private AjaxConfirm() { } public static AjaxConfirm get() { return INSTANCE; } public void confirm(ConfirmDialog dialog) { final ConfirmAjaxBehavior eventBehavior = new ConfirmAjaxBehavior(dialog); WicketUtils.getPage().add(eventBehavior); final AjaxRequestTarget target = AjaxRequestTarget.get(); target.appendJavaScript(eventBehavior.getConfirmScript()); } private static class ConfirmAjaxBehavior extends AjaxEventBehavior { private final ConfirmDialog dialog; private ConfirmAjaxBehavior(ConfirmDialog dialog) { super("wicket:confirm"); this.dialog = dialog; } @Override protected void onEvent(AjaxRequestTarget target) { String approvedString = WicketUtils.getParameter("confirm"); boolean approved = StringUtils.isEmpty(approvedString) || Boolean.valueOf(approvedString); dialog.onConfirm(approved, target); getComponent().remove(this); } public String getConfirmScript() { return getCallbackScript().toString(); } @Override protected CharSequence generateCallbackScript(CharSequence partialCall) { return "var ok=" + jsFunctionCall("confirm", dialog.getMessage()) + ";" + super.generateCallbackScript(partialCall + "+'&confirm=' + ok"); } } }