2 * Copyright 2011-2012 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 com.google.gwt.core.client.GWT;
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38 import com.google.gwt.event.dom.client.ClickEvent;
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39 import com.google.gwt.event.dom.client.ClickHandler;
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40 import com.google.gwt.resources.client.ClientBundle;
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41 import com.google.gwt.resources.client.ImageResource;
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42 import com.google.gwt.user.client.Window;
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43 import com.google.gwt.user.client.ui.AbstractImagePrototype;
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44 import com.google.gwt.user.client.ui.Composite;
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45 import com.google.gwt.user.client.ui.HTML;
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46 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
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47 import com.google.gwt.user.client.ui.HasVerticalAlignment;
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48 import com.google.gwt.user.client.ui.HorizontalPanel;
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49 import com.google.gwt.user.client.ui.SimplePanel;
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50 import com.google.gwt.user.client.ui.VerticalPanel;
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53 * A panel that displays various system messages.
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55 public class MessagePanel extends Composite {
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57 * An image bundle for this widget's images.
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59 public interface Images extends ClientBundle {
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60 @Source("gr/grnet/pithos/resources/messagebox_info.png")
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61 ImageResource info();
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63 @Source("gr/grnet/pithos/resources/messagebox_warning.png")
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64 ImageResource warn();
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66 @Source("gr/grnet/pithos/resources/messagebox_critical.png")
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67 ImageResource error();
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71 * The widget's images.
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73 public static Images images;
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76 * The system message to be displayed.
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78 private HTML message;
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81 * The panel that contains the messages.
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83 private HorizontalPanel inner;
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86 * The panel that enables special effects for this widget.
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88 protected SimplePanel simplePanel;
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91 * A link to send feedBack about the error.
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93 private HTML feedbackLink;
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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(Pithos _app, final Images newImages) {
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104 images = newImages;
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105 simplePanel = new SimplePanel();
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106 simplePanel.setStyleName("effectPanel");
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108 inner = new HorizontalPanel();
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109 inner.setStyleName("effectPanel-inner");
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110 inner.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
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111 inner.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
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113 message = new HTML(" ");
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114 message.addClickHandler(new ClickHandler() {
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117 public void onClick(ClickEvent event) {
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121 inner.add(message);
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122 inner.setCellVerticalAlignment(message, HasVerticalAlignment.ALIGN_MIDDLE);
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124 VerticalPanel linkPanel = new VerticalPanel();
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125 linkPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
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127 * A link to clear the displayed message.
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129 HTML clearMessageLink = new HTML("<a class='pithos-clearMessage' href='javascript:;'>Clear</a>");
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130 clearMessageLink.addClickHandler(new ClickHandler() {
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133 public void onClick(ClickEvent event) {
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137 linkPanel.add(clearMessageLink);
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139 feedbackLink = new HTML("<a class='pithos-clearMessage' href='javascript:;'>Send feedback</a>");
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140 feedbackLink.addClickHandler(new ClickHandler() {
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143 public void onClick(ClickEvent event) {
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144 new FeedbackDialog(app, app.getErrorData()).center();
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147 feedbackLink.setVisible(false);
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148 linkPanel.add(feedbackLink);
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150 inner.add(linkPanel);
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151 simplePanel.add(inner);
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153 initWidget(simplePanel);
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157 * Display an error message.
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159 * @param msg the message to display
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161 public void displayError(final String msg) {
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162 GWT.log(msg, null);
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163 message.setHTML("<table class='pithos-errorMessage'><tr><td>" + AbstractImagePrototype.create(images.error()).getHTML() + "</td><td>" + msg + "</td></tr></table>");
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164 feedbackLink.setVisible(true);
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169 * Display a warning message.
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171 * @param msg the message to display
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173 public void displayWarning(final String msg) {
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174 message.setHTML("<table class='pithos-warnMessage'><tr><td>" + AbstractImagePrototype.create(images.warn()).getHTML() + "</td><td>" + msg + "</td></tr></table>");
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175 feedbackLink.setVisible(false);
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180 * Display an informational message.
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182 * @param msg the message to display
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184 public void displayInformation(final String msg) {
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185 message.setHTML("<table class='pithos-infoMessage'><tr><td>" + AbstractImagePrototype.create(images.info()).getHTML() + "</td><td>" + msg + "</td></tr></table>");
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186 feedbackLink.setVisible(false);
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191 * Clear the displayed message and hide the panel.
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193 public void hideMessage() {
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194 message = new HTML(" ");
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195 this.setVisible(false);
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196 app.onWindowResized(Window.getClientHeight());
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