root / web_client / src / gr / grnet / pithos / web / client / MessagePanel.java @ 58777026
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1 | ab1eb3f8 | Christos Stathis | /*
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2 | 58777026 | Christos Stathis | * Copyright 2011 GRNET S.A. All rights reserved.
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3 | 58777026 | Christos Stathis | *
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4 | 58777026 | Christos Stathis | * Redistribution and use in source and binary forms, with or
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5 | 58777026 | Christos Stathis | * without modification, are permitted provided that the following
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6 | 58777026 | Christos Stathis | * conditions are met:
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7 | 58777026 | Christos Stathis | *
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8 | 58777026 | Christos Stathis | * 1. Redistributions of source code must retain the above
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9 | 58777026 | Christos Stathis | * copyright notice, this list of conditions and the following
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10 | 58777026 | Christos Stathis | * disclaimer.
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11 | 58777026 | Christos Stathis | *
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12 | 58777026 | Christos Stathis | * 2. Redistributions in binary form must reproduce the above
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13 | 58777026 | Christos Stathis | * copyright notice, this list of conditions and the following
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14 | 58777026 | Christos Stathis | * disclaimer in the documentation and/or other materials
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15 | 58777026 | Christos Stathis | * provided with the distribution.
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16 | 58777026 | Christos Stathis | *
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17 | 58777026 | Christos Stathis | * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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18 | 58777026 | Christos Stathis | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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19 | 58777026 | Christos Stathis | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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20 | 58777026 | Christos Stathis | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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21 | 58777026 | Christos Stathis | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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22 | 58777026 | Christos Stathis | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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23 | 58777026 | Christos Stathis | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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24 | 58777026 | Christos Stathis | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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25 | 58777026 | Christos Stathis | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 | 58777026 | Christos Stathis | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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27 | 58777026 | Christos Stathis | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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28 | 58777026 | Christos Stathis | * POSSIBILITY OF SUCH DAMAGE.
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29 | 58777026 | Christos Stathis | *
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30 | 58777026 | Christos Stathis | * The views and conclusions contained in the software and
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31 | 58777026 | Christos Stathis | * documentation are those of the authors and should not be
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32 | 58777026 | Christos Stathis | * interpreted as representing official policies, either expressed
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33 | 58777026 | Christos Stathis | * or implied, of GRNET S.A.
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34 | ab1eb3f8 | Christos Stathis | */
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35 | ab1eb3f8 | Christos Stathis | package gr.grnet.pithos.web.client; |
36 | ab1eb3f8 | Christos Stathis | |
37 | ab1eb3f8 | Christos Stathis | import gr.grnet.pithos.web.client.animation.FadeIn; |
38 | ab1eb3f8 | Christos Stathis | import gr.grnet.pithos.web.client.animation.FadeOut; |
39 | ab1eb3f8 | Christos Stathis | |
40 | ab1eb3f8 | Christos Stathis | import com.google.gwt.core.client.GWT; |
41 | ab1eb3f8 | Christos Stathis | import com.google.gwt.event.dom.client.ClickEvent; |
42 | ab1eb3f8 | Christos Stathis | import com.google.gwt.event.dom.client.ClickHandler; |
43 | ab1eb3f8 | Christos Stathis | import com.google.gwt.resources.client.ClientBundle; |
44 | ab1eb3f8 | Christos Stathis | import com.google.gwt.resources.client.ImageResource; |
45 | ab1eb3f8 | Christos Stathis | import com.google.gwt.user.client.DOM; |
46 | ab1eb3f8 | Christos Stathis | import com.google.gwt.user.client.ui.AbstractImagePrototype; |
47 | ab1eb3f8 | Christos Stathis | import com.google.gwt.user.client.ui.Composite; |
48 | ab1eb3f8 | Christos Stathis | import com.google.gwt.user.client.ui.HTML; |
49 | ab1eb3f8 | Christos Stathis | import com.google.gwt.user.client.ui.HasHorizontalAlignment; |
50 | ab1eb3f8 | Christos Stathis | import com.google.gwt.user.client.ui.HasVerticalAlignment; |
51 | ab1eb3f8 | Christos Stathis | import com.google.gwt.user.client.ui.HorizontalPanel; |
52 | ab1eb3f8 | Christos Stathis | import com.google.gwt.user.client.ui.SimplePanel; |
53 | ab1eb3f8 | Christos Stathis | |
54 | ab1eb3f8 | Christos Stathis | /**
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55 | ab1eb3f8 | Christos Stathis | * A panel that displays various system messages.
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56 | ab1eb3f8 | Christos Stathis | */
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57 | ab1eb3f8 | Christos Stathis | public class MessagePanel extends Composite { |
58 | ab1eb3f8 | Christos Stathis | /**
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59 | ab1eb3f8 | Christos Stathis | * An image bundle for this widget's images.
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60 | ab1eb3f8 | Christos Stathis | */
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61 | ab1eb3f8 | Christos Stathis | public interface Images extends ClientBundle { |
62 | ab1eb3f8 | Christos Stathis | @Source("gr/grnet/pithos/resources/messagebox_info.png") |
63 | ab1eb3f8 | Christos Stathis | ImageResource info(); |
64 | ab1eb3f8 | Christos Stathis | |
65 | ab1eb3f8 | Christos Stathis | @Source("gr/grnet/pithos/resources/messagebox_warning.png") |
66 | ab1eb3f8 | Christos Stathis | ImageResource warn(); |
67 | ab1eb3f8 | Christos Stathis | |
68 | ab1eb3f8 | Christos Stathis | @Source("gr/grnet/pithos/resources/messagebox_critical.png") |
69 | ab1eb3f8 | Christos Stathis | ImageResource error(); |
70 | ab1eb3f8 | Christos Stathis | } |
71 | ab1eb3f8 | Christos Stathis | |
72 | ab1eb3f8 | Christos Stathis | /**
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73 | ab1eb3f8 | Christos Stathis | * The widget's images.
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74 | ab1eb3f8 | Christos Stathis | */
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75 | ab1eb3f8 | Christos Stathis | public static Images images; |
76 | ab1eb3f8 | Christos Stathis | |
77 | ab1eb3f8 | Christos Stathis | /**
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78 | ab1eb3f8 | Christos Stathis | * The system message to be displayed.
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79 | ab1eb3f8 | Christos Stathis | */
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80 | ab1eb3f8 | Christos Stathis | private HTML message = new HTML(" "); |
81 | ab1eb3f8 | Christos Stathis | |
82 | ab1eb3f8 | Christos Stathis | /**
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83 | ab1eb3f8 | Christos Stathis | * A link to clear the displayed message.
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84 | ab1eb3f8 | Christos Stathis | */
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85 | ab1eb3f8 | Christos Stathis | private HTML clearMessageLink = new HTML("<a class='pithos-clearMessage' href='javascript:;'>Clear</a>"); |
86 | ab1eb3f8 | Christos Stathis | |
87 | ab1eb3f8 | Christos Stathis | /**
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88 | ab1eb3f8 | Christos Stathis | * The panel that contains the messages.
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89 | ab1eb3f8 | Christos Stathis | */
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90 | ab1eb3f8 | Christos Stathis | private HorizontalPanel inner = new HorizontalPanel(); |
91 | ab1eb3f8 | Christos Stathis | |
92 | ab1eb3f8 | Christos Stathis | /**
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93 | ab1eb3f8 | Christos Stathis | * The panel that enables special effects for this widget.
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94 | ab1eb3f8 | Christos Stathis | */
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95 | ab1eb3f8 | Christos Stathis | private SimplePanel simplePanel = new SimplePanel(); |
96 | ab1eb3f8 | Christos Stathis | |
97 | ab1eb3f8 | Christos Stathis | /**
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98 | ab1eb3f8 | Christos Stathis | * The widget's constructor.
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99 | ab1eb3f8 | Christos Stathis | *
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100 | ab1eb3f8 | Christos Stathis | * @param newImages a bundle that provides the images for this widget
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101 | ab1eb3f8 | Christos Stathis | */
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102 | ab1eb3f8 | Christos Stathis | public MessagePanel(final Images newImages) { |
103 | ab1eb3f8 | Christos Stathis | images = newImages; |
104 | ab1eb3f8 | Christos Stathis | buildPanel(); |
105 | ab1eb3f8 | Christos Stathis | simplePanel.setStyleName("effectPanel");
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106 | ab1eb3f8 | Christos Stathis | inner.setStyleName("effectPanel-inner");
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107 | ab1eb3f8 | Christos Stathis | DOM.setStyleAttribute(simplePanel.getElement(), "zoom", "1"); |
108 | ab1eb3f8 | Christos Stathis | simplePanel.add(inner); |
109 | ab1eb3f8 | Christos Stathis | initWidget(simplePanel); |
110 | ab1eb3f8 | Christos Stathis | } |
111 | ab1eb3f8 | Christos Stathis | |
112 | ab1eb3f8 | Christos Stathis | /**
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113 | ab1eb3f8 | Christos Stathis | * Build the panel that contains the icon, the message and the 'clear' link.
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114 | ab1eb3f8 | Christos Stathis | */
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115 | ab1eb3f8 | Christos Stathis | private void buildPanel() { |
116 | ab1eb3f8 | Christos Stathis | inner.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER); |
117 | ab1eb3f8 | Christos Stathis | inner.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE); |
118 | ab1eb3f8 | Christos Stathis | inner.setSpacing(4);
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119 | ab1eb3f8 | Christos Stathis | inner.add(message); |
120 | ab1eb3f8 | Christos Stathis | inner.add(clearMessageLink); |
121 | ab1eb3f8 | Christos Stathis | inner.setCellVerticalAlignment(message, HasVerticalAlignment.ALIGN_MIDDLE); |
122 | ab1eb3f8 | Christos Stathis | clearMessageLink.addClickHandler(new ClickHandler() {
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123 | ab1eb3f8 | Christos Stathis | |
124 | ab1eb3f8 | Christos Stathis | @Override
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125 | ab1eb3f8 | Christos Stathis | public void onClick(ClickEvent event) { |
126 | ab1eb3f8 | Christos Stathis | FadeOut anim = new FadeOut(simplePanel){
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127 | ab1eb3f8 | Christos Stathis | @Override
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128 | ab1eb3f8 | Christos Stathis | protected void onComplete() { |
129 | ab1eb3f8 | Christos Stathis | super.onComplete();
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130 | ab1eb3f8 | Christos Stathis | hideMessage(); |
131 | ab1eb3f8 | Christos Stathis | } |
132 | ab1eb3f8 | Christos Stathis | }; |
133 | ab1eb3f8 | Christos Stathis | anim.run(500);
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134 | ab1eb3f8 | Christos Stathis | } |
135 | ab1eb3f8 | Christos Stathis | }); |
136 | ab1eb3f8 | Christos Stathis | } |
137 | ab1eb3f8 | Christos Stathis | |
138 | ab1eb3f8 | Christos Stathis | /**
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139 | ab1eb3f8 | Christos Stathis | * Display an error message.
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140 | ab1eb3f8 | Christos Stathis | *
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141 | ab1eb3f8 | Christos Stathis | * @param msg the message to display
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142 | ab1eb3f8 | Christos Stathis | */
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143 | ab1eb3f8 | Christos Stathis | public void displayError(final String msg) { |
144 | ab1eb3f8 | Christos Stathis | GWT.log(msg, null);
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145 | ab1eb3f8 | Christos Stathis | message = new HTML("<table class='pithos-errorMessage'><tr><td>" + AbstractImagePrototype.create(images.error()).getHTML() + "</td><td>" + msg + "</td></tr></table>"); |
146 | ab1eb3f8 | Christos Stathis | message.addClickHandler(new ClickHandler() {
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147 | ab1eb3f8 | Christos Stathis | |
148 | ab1eb3f8 | Christos Stathis | @Override
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149 | ab1eb3f8 | Christos Stathis | public void onClick(ClickEvent event) { |
150 | ab1eb3f8 | Christos Stathis | FadeOut anim = new FadeOut(simplePanel){
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151 | ab1eb3f8 | Christos Stathis | |
152 | ab1eb3f8 | Christos Stathis | @Override
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153 | ab1eb3f8 | Christos Stathis | protected void onComplete() { |
154 | ab1eb3f8 | Christos Stathis | super.onComplete();
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155 | ab1eb3f8 | Christos Stathis | hideMessage(); |
156 | ab1eb3f8 | Christos Stathis | } |
157 | ab1eb3f8 | Christos Stathis | }; |
158 | ab1eb3f8 | Christos Stathis | anim.run(500);
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159 | ab1eb3f8 | Christos Stathis | } |
160 | ab1eb3f8 | Christos Stathis | }); |
161 | ab1eb3f8 | Christos Stathis | buildPanel(); |
162 | ab1eb3f8 | Christos Stathis | setVisible(true);
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163 | ab1eb3f8 | Christos Stathis | FadeIn anim = new FadeIn(simplePanel);
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164 | ab1eb3f8 | Christos Stathis | anim.run(500);
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165 | ab1eb3f8 | Christos Stathis | } |
166 | ab1eb3f8 | Christos Stathis | |
167 | ab1eb3f8 | Christos Stathis | /**
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168 | ab1eb3f8 | Christos Stathis | * Display a warning message.
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169 | ab1eb3f8 | Christos Stathis | *
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170 | ab1eb3f8 | Christos Stathis | * @param msg the message to display
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171 | ab1eb3f8 | Christos Stathis | */
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172 | ab1eb3f8 | Christos Stathis | public void displayWarning(final String msg) { |
173 | ab1eb3f8 | Christos Stathis | message = new HTML("<table class='pithos-warnMessage'><tr><td>" + AbstractImagePrototype.create(images.warn()).getHTML() + "</td><td>" + msg + "</td></tr></table>"); |
174 | ab1eb3f8 | Christos Stathis | message.addClickHandler(new ClickHandler() {
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175 | ab1eb3f8 | Christos Stathis | |
176 | ab1eb3f8 | Christos Stathis | @Override
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177 | ab1eb3f8 | Christos Stathis | public void onClick(ClickEvent event) { |
178 | ab1eb3f8 | Christos Stathis | FadeOut anim = new FadeOut(simplePanel){
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179 | ab1eb3f8 | Christos Stathis | |
180 | ab1eb3f8 | Christos Stathis | @Override
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181 | ab1eb3f8 | Christos Stathis | protected void onComplete() { |
182 | ab1eb3f8 | Christos Stathis | super.onComplete();
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183 | ab1eb3f8 | Christos Stathis | hideMessage(); |
184 | ab1eb3f8 | Christos Stathis | } |
185 | ab1eb3f8 | Christos Stathis | }; |
186 | ab1eb3f8 | Christos Stathis | anim.run(500);
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187 | ab1eb3f8 | Christos Stathis | } |
188 | ab1eb3f8 | Christos Stathis | }); |
189 | ab1eb3f8 | Christos Stathis | |
190 | ab1eb3f8 | Christos Stathis | buildPanel(); |
191 | ab1eb3f8 | Christos Stathis | setVisible(true);
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192 | ab1eb3f8 | Christos Stathis | FadeIn anim = new FadeIn(simplePanel);
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193 | ab1eb3f8 | Christos Stathis | anim.run(500);
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194 | ab1eb3f8 | Christos Stathis | } |
195 | ab1eb3f8 | Christos Stathis | |
196 | ab1eb3f8 | Christos Stathis | /**
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197 | ab1eb3f8 | Christos Stathis | * Display an informational message.
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198 | ab1eb3f8 | Christos Stathis | *
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199 | ab1eb3f8 | Christos Stathis | * @param msg the message to display
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200 | ab1eb3f8 | Christos Stathis | */
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201 | ab1eb3f8 | Christos Stathis | public void displayInformation(final String msg) { |
202 | ab1eb3f8 | Christos Stathis | message = new HTML("<table class='pithos-infoMessage'><tr><td>" + AbstractImagePrototype.create(images.info()).getHTML() + "</td><td>" + msg + "</td></tr></table>"); |
203 | ab1eb3f8 | Christos Stathis | message.addClickHandler(new ClickHandler() {
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204 | ab1eb3f8 | Christos Stathis | |
205 | ab1eb3f8 | Christos Stathis | @Override
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206 | ab1eb3f8 | Christos Stathis | public void onClick(ClickEvent event) { |
207 | ab1eb3f8 | Christos Stathis | FadeOut anim = new FadeOut(simplePanel){
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208 | ab1eb3f8 | Christos Stathis | |
209 | ab1eb3f8 | Christos Stathis | @Override
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210 | ab1eb3f8 | Christos Stathis | protected void onComplete() { |
211 | ab1eb3f8 | Christos Stathis | super.onComplete();
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212 | ab1eb3f8 | Christos Stathis | hideMessage(); |
213 | ab1eb3f8 | Christos Stathis | } |
214 | ab1eb3f8 | Christos Stathis | }; |
215 | ab1eb3f8 | Christos Stathis | anim.run(500);
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216 | ab1eb3f8 | Christos Stathis | } |
217 | ab1eb3f8 | Christos Stathis | }); |
218 | ab1eb3f8 | Christos Stathis | |
219 | ab1eb3f8 | Christos Stathis | buildPanel(); |
220 | ab1eb3f8 | Christos Stathis | setVisible(true);
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221 | ab1eb3f8 | Christos Stathis | FadeIn anim = new FadeIn(simplePanel);
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222 | ab1eb3f8 | Christos Stathis | anim.run(500);
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223 | ab1eb3f8 | Christos Stathis | } |
224 | ab1eb3f8 | Christos Stathis | |
225 | ab1eb3f8 | Christos Stathis | /**
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226 | ab1eb3f8 | Christos Stathis | * Clear the displayed message and hide the panel.
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227 | ab1eb3f8 | Christos Stathis | */
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228 | ab1eb3f8 | Christos Stathis | public void hideMessage() { |
229 | ab1eb3f8 | Christos Stathis | inner.clear(); |
230 | ab1eb3f8 | Christos Stathis | message = new HTML(" "); |
231 | ab1eb3f8 | Christos Stathis | this.setVisible(false); |
232 | ab1eb3f8 | Christos Stathis | } |
233 | ab1eb3f8 | Christos Stathis | |
234 | ab1eb3f8 | Christos Stathis | } |