Java tutorial
/* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (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.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is part of dcm4che, an implementation of DICOM(TM) in * Java(TM), hosted at http://sourceforge.net/projects/dcm4che. * * The Initial Developer of the Original Code is * Agfa-Gevaert AG. * Portions created by the Initial Developer are Copyright (C) 2008 * the Initial Developer. All Rights Reserved. * * Contributor(s): * See listed authors below. * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ package org.dcm4chee.web.common.markup.modal; import org.apache.wicket.AttributeModifier; import org.apache.wicket.Page; import org.apache.wicket.ResourceReference; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.AjaxFallbackLink; import org.apache.wicket.behavior.HeaderContributor; import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow; import org.apache.wicket.markup.html.CSSPackageResource; import org.apache.wicket.markup.html.WebPage; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.markup.html.resources.CompressedResourceReference; import org.apache.wicket.model.AbstractReadOnlyModel; import org.apache.wicket.model.IModel; import org.apache.wicket.model.Model; import org.apache.wicket.model.ResourceModel; import org.apache.wicket.model.StringResourceModel; import org.apache.wicket.util.string.interpolator.PropertyVariableInterpolator; import org.dcm4chee.web.common.base.BaseWicketPage; import org.dcm4chee.web.common.exceptions.WicketExceptionWithMsgKey; import org.dcm4chee.web.common.secure.SecureSessionCheckPage; /** * @author Franz Willer <franz.willer@gmail.com> * @version $Revision$ $Date$ * @since Nov 02, 2009 */ public class MessageWindow extends AutoOpenModalWindow { private static final long serialVersionUID = 1L; protected static final String TITLE_DEFAULT = "MessageWindow"; public static final String TITLE_INFO = "msgwindow.title.info"; public static final String TITLE_WARNING = "msgwindow.title.warn"; public static final String TITLE_ERROR = "msgwindow.title.error"; private IModel<String> msgModel; private IModel<String> colorModel = new Model<String>(""); public MessageWindow(String id) { super(id); initContent(); } public MessageWindow(String id, String titleResource) { this(id); setTitle(new ResourceModel(titleResource)); } protected void initContent() { setInitialWidth(300); setInitialHeight(200); setTitle(new ResourceModel(TITLE_INFO, TITLE_DEFAULT)); setPageCreator(new ModalWindow.PageCreator() { private static final long serialVersionUID = 1L; @Override public Page createPage() { return new MessagePage(); } }); } public void setMessage(String msg) { this.msgModel = new Model<String>(msg); } public void setInfoMessage(String msg) { this.msgModel = new Model<String>(msg); setTitle(new ResourceModel(TITLE_INFO, TITLE_DEFAULT)); } public void setWarningMessage(String msg) { this.msgModel = new Model<String>(msg); setTitle(new ResourceModel(TITLE_WARNING, TITLE_DEFAULT)); } public void setErrorMessage(String msg) { this.msgModel = new Model<String>(msg); setTitle(new ResourceModel(TITLE_ERROR, TITLE_DEFAULT)); } /** * Get Message from Exception * If Exception is of type WicketExceptionWithMsgKey: ResourceKey with the msgKey * For any other Exception: the first getLocalizedMessage()!=null of the Exception hierachie or toString of root cause * * @param x * @param useCauseAsDetail */ public void setErrorMessage(Exception x, boolean useCauseAsDetail) { IModel<String> detail = null; if (useCauseAsDetail && x.getCause() != null) { Throwable cause = x.getCause(); if (cause instanceof WicketExceptionWithMsgKey) { detail = new ResourceModel(((WicketExceptionWithMsgKey) cause).getMsgKey()).wrapOnAssignment(this); } else { detail = new Model<String>(getExceptionMessage(cause)); } } if (x instanceof WicketExceptionWithMsgKey) { WicketExceptionWithMsgKey we = (WicketExceptionWithMsgKey) x; msgModel = new StringResourceModel(we.getMsgKey(), this, detail, we.getMsgParams()); } else { String msg = detail == null ? getExceptionMessage(x) : PropertyVariableInterpolator.interpolate(getExceptionMessage(x), detail.getObject()); msgModel = new Model<String>(msg); } setTitle(new ResourceModel(TITLE_ERROR, TITLE_DEFAULT)); } private String getExceptionMessage(Throwable x) { if (x.getLocalizedMessage() != null) { return x.getLocalizedMessage(); } else if (x.getCause() == null) { return x.toString(); } else { return getExceptionMessage(x.getCause()); } } /** * Called by onBeforeRender to check if window should be opened without AJAX for this request. * * @return true when window should be opened. */ protected boolean needAutoOpen() { return msgModel != null; } @Override public void show(final AjaxRequestTarget target) { if (target != null) { super.show(target); target.focusComponent(this.get("content:close")); } } public void show(AjaxRequestTarget target, String msg) { this.msgModel = new Model<String>(msg); show(target); } public void setColor(String color) { this.colorModel.setObject("color: " + color); } public void show(AjaxRequestTarget target, IModel<String> msg) { this.msgModel = msg; show(target); } public void show(AjaxRequestTarget target, Exception x, boolean useCauseAsDetail) { this.setErrorMessage(x, useCauseAsDetail); show(target); } public class MessagePage extends WebPage { private static final long serialVersionUID = 0L; public MessagePage() { add(SecureSessionCheckPage.getBaseCSSHeaderContributor()); add(new Label("msg", new AbstractReadOnlyModel<String>() { private static final long serialVersionUID = 1L; @Override public String getObject() { return msgModel == null ? null : msgModel.getObject(); } }).setEscapeModelStrings(false).add(new AttributeModifier("style", true, colorModel))); add(new AjaxFallbackLink<Object>("close") { private static final long serialVersionUID = 1L; @Override public void onClick(AjaxRequestTarget target) { close(target); } }.add(new Label("closeLabel", new ResourceModel("closeBtn")))); } /** * Return always true because ModalWindow.beforeRender set visibility of content to false! */ @Override public boolean isVisible() { return true; } @Override protected void onAfterRender() { msgModel = null; super.onAfterRender(); } } }