2 * Copyright 2011 GRNET S.A. All rights reserved.
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4 * Redistribution and use in source and binary forms, with or
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5 * without modification, are permitted provided that the following
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6 * conditions are met:
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8 * 1. Redistributions of source code must retain the above
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9 * copyright notice, this list of conditions and the following
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12 * 2. Redistributions in binary form must reproduce the above
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13 * copyright notice, this list of conditions and the following
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14 * disclaimer in the documentation and/or other materials
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15 * provided with the distribution.
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17 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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28 * POSSIBILITY OF SUCH DAMAGE.
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30 * The views and conclusions contained in the software and
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31 * documentation are those of the authors and should not be
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32 * interpreted as representing official policies, either expressed
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33 * or implied, of GRNET S.A.
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35 package gr.grnet.pithos.web.client;
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37 import gr.grnet.pithos.web.client.animation.FadeIn;
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38 import gr.grnet.pithos.web.client.animation.FadeOut;
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40 import com.google.gwt.core.client.GWT;
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41 import com.google.gwt.event.dom.client.ClickEvent;
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42 import com.google.gwt.event.dom.client.ClickHandler;
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43 import com.google.gwt.resources.client.ClientBundle;
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44 import com.google.gwt.resources.client.ImageResource;
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45 import com.google.gwt.user.client.DOM;
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46 import com.google.gwt.user.client.ui.AbstractImagePrototype;
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47 import com.google.gwt.user.client.ui.Composite;
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48 import com.google.gwt.user.client.ui.HTML;
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49 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
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50 import com.google.gwt.user.client.ui.HasVerticalAlignment;
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51 import com.google.gwt.user.client.ui.HorizontalPanel;
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52 import com.google.gwt.user.client.ui.SimplePanel;
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55 * A panel that displays various system messages.
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57 public class MessagePanel extends Composite {
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59 * An image bundle for this widget's images.
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61 public interface Images extends ClientBundle {
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62 @Source("gr/grnet/pithos/resources/messagebox_info.png")
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63 ImageResource info();
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65 @Source("gr/grnet/pithos/resources/messagebox_warning.png")
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66 ImageResource warn();
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68 @Source("gr/grnet/pithos/resources/messagebox_critical.png")
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69 ImageResource error();
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73 * The widget's images.
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75 public static Images images;
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78 * The system message to be displayed.
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80 private HTML message = new HTML(" ");
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83 * A link to clear the displayed message.
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85 private HTML clearMessageLink = new HTML("<a class='pithos-clearMessage' href='javascript:;'>Clear</a>");
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88 * The panel that contains the messages.
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90 private HorizontalPanel inner = new HorizontalPanel();
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93 * The panel that enables special effects for this widget.
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95 protected SimplePanel simplePanel = new SimplePanel();
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98 * The widget's constructor.
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100 * @param newImages a bundle that provides the images for this widget
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102 public MessagePanel(final Images newImages) {
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103 images = newImages;
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105 simplePanel.setStyleName("effectPanel");
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106 inner.setStyleName("effectPanel-inner");
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107 DOM.setStyleAttribute(simplePanel.getElement(), "zoom", "1");
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108 simplePanel.add(inner);
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109 initWidget(simplePanel);
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113 * Build the panel that contains the icon, the message and the 'clear' link.
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115 private void buildPanel() {
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116 inner.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
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117 inner.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
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118 inner.setSpacing(4);
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119 inner.add(message);
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120 inner.add(clearMessageLink);
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121 inner.setCellVerticalAlignment(message, HasVerticalAlignment.ALIGN_MIDDLE);
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122 clearMessageLink.addClickHandler(new ClickHandler() {
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125 public void onClick(@SuppressWarnings("unused") ClickEvent event) {
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126 FadeOut anim = new FadeOut(simplePanel){
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128 protected void onComplete() {
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129 super.onComplete();
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139 * Display an error message.
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141 * @param msg the message to display
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143 public void displayError(final String msg) {
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144 GWT.log(msg, null);
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145 message = new HTML("<table class='pithos-errorMessage'><tr><td>" + AbstractImagePrototype.create(images.error()).getHTML() + "</td><td>" + msg + "</td></tr></table>");
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146 message.addClickHandler(new ClickHandler() {
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149 public void onClick(@SuppressWarnings("unused") ClickEvent event) {
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150 FadeOut anim = new FadeOut(simplePanel){
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153 protected void onComplete() {
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154 super.onComplete();
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163 FadeIn anim = new FadeIn(simplePanel);
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168 * Display a warning message.
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170 * @param msg the message to display
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172 public void displayWarning(final String msg) {
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173 message = new HTML("<table class='pithos-warnMessage'><tr><td>" + AbstractImagePrototype.create(images.warn()).getHTML() + "</td><td>" + msg + "</td></tr></table>");
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174 message.addClickHandler(new ClickHandler() {
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177 public void onClick(@SuppressWarnings("unused") ClickEvent event) {
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178 FadeOut anim = new FadeOut(simplePanel){
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181 protected void onComplete() {
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182 super.onComplete();
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192 FadeIn anim = new FadeIn(simplePanel);
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197 * Display an informational message.
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199 * @param msg the message to display
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201 public void displayInformation(final String msg) {
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202 message = new HTML("<table class='pithos-infoMessage'><tr><td>" + AbstractImagePrototype.create(images.info()).getHTML() + "</td><td>" + msg + "</td></tr></table>");
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203 message.addClickHandler(new ClickHandler() {
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206 public void onClick(@SuppressWarnings("unused") ClickEvent event) {
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207 FadeOut anim = new FadeOut(simplePanel){
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210 protected void onComplete() {
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211 super.onComplete();
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221 FadeIn anim = new FadeIn(simplePanel);
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226 * Clear the displayed message and hide the panel.
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228 public void hideMessage() {
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230 message = new HTML(" ");
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231 this.setVisible(false);
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