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 https://github.com/dcm4che. * * The Initial Developer of the Original Code is * Agfa Healthcare. * Portions created by the Initial Developer are Copyright (C) 2012 * the Initial Developer. All Rights Reserved. * * Contributor(s): * See @authors listed 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.wizard.common.component.secure; import org.apache.wicket.Page; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.extensions.ajax.markup.html.IndicatingAjaxLink; import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow; import org.apache.wicket.markup.head.CssHeaderItem; import org.apache.wicket.markup.head.IHeaderResponse; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.panel.Panel; 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.request.resource.PackageResourceReference; import org.apache.wicket.request.resource.ResourceReference; import org.dcm4chee.wizard.common.component.MainWebPage; /** * @author Franz Willer <franz.willer@gmail.com> * @author Robert David <robert.david@agfa.com> */ public abstract class ConfirmationWindow<T> extends ModalWindow { private static final long serialVersionUID = 1L; public static final String FOCUS_ON_CONFIRM = "content:confirm"; public static final String FOCUS_ON_DECLINE = "content:decline"; public static final String FOCUS_ON_CANCEL = "content:cancel"; public static final int UNCONFIRMED = 0; public static final int CONFIRMED = 1; public static final int DECLINED = 2; public static final int CANCELED = 3; private T userObject; private String focusElementId; private IModel<?> remark, confirm, decline, cancel; protected boolean hasStatus; private boolean showCancel = false; private int state = UNCONFIRMED; public ConfirmationPanel messageWindowPanel; private static final ResourceReference baseCSS = new PackageResourceReference(MainWebPage.class, "base-style.css"); public ConfirmationWindow(String id, String titleResource) { this(id); setTitle(new ResourceModel(titleResource)); } public ConfirmationWindow(String id) { this(id, new ResourceModel("yesBtn"), new ResourceModel("noBtn"), new ResourceModel("cancelBtn")); setCloseButtonCallback(new CloseButtonCallback() { private static final long serialVersionUID = 1L; public boolean onCloseButtonClicked(AjaxRequestTarget target) { messageWindowPanel.msg = null; close(target); return true; } }); setWindowClosedCallback(new ModalWindow.WindowClosedCallback() { private static final long serialVersionUID = 1L; public void onClose(AjaxRequestTarget target) { getPage().setOutputMarkupId(true); target.add(getPage()); } }); } public ConfirmationWindow(String id, IModel<?> confirm, IModel<?> decline, IModel<?> cancel) { super(id); this.confirm = confirm; this.decline = decline; this.cancel = cancel; initContent(); } protected void initContent() { setInitialWidth(400); setInitialHeight(300); messageWindowPanel = new ConfirmationPanel("panel"); setPageCreator(new ModalWindow.PageCreator() { private static final long serialVersionUID = 1L; public Page createPage() { return new ConfirmationPage(); } }); } public void onConfirmation(AjaxRequestTarget target, T userObject) { }; public void onDecline(AjaxRequestTarget target, T userObject) { } public void onCancel(AjaxRequestTarget target, T userObject) { } public void onOk(AjaxRequestTarget target) { } @Override public void show(final AjaxRequestTarget target) { hasStatus = false; super.show(target); if (focusElementId != null) target.focusComponent(this.get(focusElementId)); } public void confirm(AjaxRequestTarget target, IModel<?> msg, T userObject) { confirm(target, msg, userObject, FOCUS_ON_DECLINE); } public void confirm(AjaxRequestTarget target, IModel<?> msg, T userObject, String focusElementId) { confirm(target, msg, userObject, focusElementId, false); } public void confirm(AjaxRequestTarget target, IModel<?> msg, T userObject, String focusElementId, boolean showCancel) { this.messageWindowPanel.msg = msg; this.userObject = userObject; this.focusElementId = focusElementId; this.showCancel = showCancel; show(target); } public void confirmWithCancel(AjaxRequestTarget target, IModel<?> msg, T userObject) { confirm(target, msg, userObject, FOCUS_ON_CANCEL, true); } public void setStatus(IModel<?> statusMsg) { messageWindowPanel.msg = statusMsg; hasStatus = true; } public void setRemark(IModel<?> remark) { this.remark = remark; } public T getUserObject() { return userObject; } public int getState() { return state; } public class ConfirmationPage extends SecureSessionCheckPage { private static final long serialVersionUID = 1L; public ConfirmationPage() { add(messageWindowPanel); } @Override public void renderHead(IHeaderResponse response) { super.renderHead(response); if (ConfirmationWindow.baseCSS != null) response.render(CssHeaderItem.forReference(ConfirmationWindow.baseCSS)); } } public class ConfirmationPanel extends Panel { private static final long serialVersionUID = 1L; private IndicatingAjaxLink<Object> confirmBtn; private AjaxLink<Object> okBtn; private IModel<?> msg; private Label msgLabel; private Label remarkLabel; private boolean logout = false; public ConfirmationPanel(String id) { super(id); add((msgLabel = new Label("msg", new AbstractReadOnlyModel<Object>() { private static final long serialVersionUID = 1L; @Override public Object getObject() { return msg == null ? null : msg.getObject(); } })).setOutputMarkupId(true).setEscapeModelStrings(false)); add((remarkLabel = new Label("remark", new AbstractReadOnlyModel<Object>() { private static final long serialVersionUID = 1L; @Override public Object getObject() { return remark == null ? null : remark.getObject(); } }) { private static final long serialVersionUID = 1L; @Override public boolean isVisible() { return !hasStatus; } }).setOutputMarkupId(true)); confirmBtn = new IndicatingAjaxLink<Object>("confirm") { private static final long serialVersionUID = 1L; @Override public void onClick(AjaxRequestTarget target) { try { onConfirmation(target, userObject); state = CONFIRMED; if (hasStatus) { target.add(ConfirmationPanel.this); } else { msg = null; close(target); } } catch (Exception x) { logout = true; setStatus(new Model<String>(x.getMessage())); target.add(ConfirmationPanel.this); } } @Override public boolean isVisible() { return !hasStatus; } }; confirmBtn.add(new Label("confirmLabel", confirm)); confirmBtn.setOutputMarkupId(true); add(confirmBtn); add(new AjaxLink<Object>("decline") { private static final long serialVersionUID = 1L; @Override public void onClick(AjaxRequestTarget target) { onDecline(target, userObject); state = DECLINED; if (hasStatus) { target.add(ConfirmationPanel.this); } else { msg = null; close(target); } } @Override public boolean isVisible() { return !hasStatus; } }.add(new Label("declineLabel", decline))); add(new AjaxLink<Object>("cancel") { private static final long serialVersionUID = 1L; @Override public void onClick(AjaxRequestTarget target) { onCancel(target, userObject); state = CANCELED; msg = null; close(target); } @Override public boolean isVisible() { return !hasStatus && showCancel; } }.add(new Label("cancelLabel", cancel))); add(okBtn = new IndicatingAjaxLink<Object>("ok") { private static final long serialVersionUID = 1L; @Override public void onClick(AjaxRequestTarget target) { if (logout) onConfirmation(target, userObject); else onOk(target); msg = null; close(target); } @Override public boolean isVisible() { return hasStatus; } }); getOkBtn().add(new Label("okLabel", new ResourceModel("okBtn"))); getOkBtn().setOutputMarkupId(true).setOutputMarkupPlaceholderTag(true); this.setOutputMarkupId(true); } /** * Return always true because ModalWindow.beforeRender set visibility of * content to false! */ @Override public boolean isVisible() { return true; } public AjaxLink<Object> getOkBtn() { return okBtn; } public Label getMsgLabel() { return msgLabel; } public Label getRemarkLabel() { return remarkLabel; } } public ConfirmationPanel getMessageWindowPanel() { return messageWindowPanel; } }