2 * Copyright 2008, 2009 Electronic Business Systems Ltd.
4 * This file is part of GSS.
6 * GSS is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * GSS is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with GSS. If not, see <http://www.gnu.org/licenses/>.
19 package gr.ebs.gss.client;
21 import gr.ebs.gss.client.MessagePanel.Images;
22 import gr.ebs.gss.client.rest.DeleteCommand;
23 import gr.ebs.gss.client.rest.RestException;
24 import gr.ebs.gss.client.rest.resource.GroupUserResource;
26 import com.google.gwt.core.client.GWT;
27 import com.google.gwt.dom.client.NativeEvent;
28 import com.google.gwt.event.dom.client.ClickEvent;
29 import com.google.gwt.event.dom.client.ClickHandler;
30 import com.google.gwt.event.dom.client.KeyCodes;
31 import com.google.gwt.user.client.DeferredCommand;
32 import com.google.gwt.user.client.Event.NativePreviewEvent;
33 import com.google.gwt.user.client.ui.AbstractImagePrototype;
34 import com.google.gwt.user.client.ui.Button;
35 import com.google.gwt.user.client.ui.DialogBox;
36 import com.google.gwt.user.client.ui.HTML;
37 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
38 import com.google.gwt.user.client.ui.HorizontalPanel;
39 import com.google.gwt.user.client.ui.TreeItem;
40 import com.google.gwt.user.client.ui.VerticalPanel;
47 public class DeleteUserDialog extends DialogBox {
50 * The widget's constructor.
51 * @param images the supplied images
53 public DeleteUserDialog(final Images images) {
54 // Use this opportunity to set the dialog's caption.
55 setText("Delete user");
56 setAnimationEnabled(true);
57 final GroupUserResource group = (GroupUserResource) GSS.get().getCurrentSelection();
58 // Create a VerticalPanel to contain the 'about' label and the 'OK'
60 final VerticalPanel outer = new VerticalPanel();
61 final HorizontalPanel buttons = new HorizontalPanel();
63 // Create the 'about' text and set a style name so we can style it with
65 final HTML text = new HTML("<table><tr><td>" + AbstractImagePrototype.create(images.warn()).getHTML() + "</td><td>" + "Are you sure you want to remove user '" + group.getName() + "'?</td></tr></table>");
66 text.setStyleName("gss-warnMessage");
69 // Create the 'Quit' button, along with a listener that hides the dialog
70 // when the button is clicked and quits the application.
71 final Button ok = new Button("OK", new ClickHandler() {
73 public void onClick(ClickEvent event) {
79 buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);
80 // Create the 'Cancel' button, along with a listener that hides the
82 // when the button is clicked.
83 final Button cancel = new Button("Cancel", new ClickHandler() {
85 public void onClick(ClickEvent event) {
90 buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);
91 buttons.setSpacing(8);
92 buttons.setStyleName("gss-warnMessage");
93 outer.setStyleName("gss-warnMessage");
95 outer.setCellHorizontalAlignment(text, HasHorizontalAlignment.ALIGN_CENTER);
96 outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);
101 * Generate an RPC request to delete a group.
103 * @param userId the ID of the current user
105 private void deleteUser() {
106 final TreeItem user = GSS.get().getGroups().getCurrent();
107 final TreeItem group = user.getParentItem();
109 GSS.get().displayError("No user was selected!");
112 final GroupUserResource memberR = (GroupUserResource) user.getUserObject();
113 DeleteCommand du = new DeleteCommand(memberR.getUri()){
116 public void onComplete() {
117 GSS.get().getGroups().updateGroups();
121 public void onError(Throwable t) {
123 if(t instanceof RestException){
124 int statusCode = ((RestException)t).getHttpStatusCode();
125 if(statusCode == 405)
126 GSS.get().displayError("You don't have the necessary permissions");
127 else if(statusCode == 404)
128 GSS.get().displayError("User not found");
130 GSS.get().displayError("Unable to delete user:"+((RestException)t).getHttpStatusText());
133 GSS.get().displayError("System error unable to delete user:"+t.getMessage());
136 DeferredCommand.addCommand(du);
141 protected void onPreviewNativeEvent(NativePreviewEvent preview) {
142 super.onPreviewNativeEvent(preview);
144 NativeEvent evt = preview.getNativeEvent();
145 if (evt.getType().equals("keydown"))
146 // Use the popup's key preview hooks to close the dialog when either
147 // enter or escape is pressed.
148 switch (evt.getKeyCode()) {
149 case KeyCodes.KEY_ENTER:
153 case KeyCodes.KEY_ESCAPE: