root / src / gr / grnet / pithos / web / client / ConfirmationDialog.java @ a92f9b30
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1 | a57faaf0 | Christos Stathis | /*
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2 | 63366925 | Christos Stathis | * Copyright 2011 GRNET S.A. All rights reserved.
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3 | 63366925 | Christos Stathis | *
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4 | 63366925 | Christos Stathis | * Redistribution and use in source and binary forms, with or
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5 | 63366925 | Christos Stathis | * without modification, are permitted provided that the following
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6 | 63366925 | Christos Stathis | * conditions are met:
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7 | 63366925 | Christos Stathis | *
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8 | 63366925 | Christos Stathis | * 1. Redistributions of source code must retain the above
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9 | 63366925 | Christos Stathis | * copyright notice, this list of conditions and the following
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10 | 63366925 | Christos Stathis | * disclaimer.
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11 | 63366925 | Christos Stathis | *
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12 | 63366925 | Christos Stathis | * 2. Redistributions in binary form must reproduce the above
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13 | 63366925 | Christos Stathis | * copyright notice, this list of conditions and the following
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14 | 63366925 | Christos Stathis | * disclaimer in the documentation and/or other materials
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15 | 63366925 | Christos Stathis | * provided with the distribution.
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16 | 63366925 | Christos Stathis | *
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17 | 63366925 | Christos Stathis | * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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18 | 63366925 | Christos Stathis | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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19 | 63366925 | Christos Stathis | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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20 | 63366925 | Christos Stathis | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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21 | 63366925 | Christos Stathis | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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22 | 63366925 | Christos Stathis | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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23 | 63366925 | Christos Stathis | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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24 | 63366925 | Christos Stathis | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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25 | 63366925 | Christos Stathis | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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26 | 63366925 | Christos Stathis | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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27 | 63366925 | Christos Stathis | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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28 | 63366925 | Christos Stathis | * POSSIBILITY OF SUCH DAMAGE.
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29 | 63366925 | Christos Stathis | *
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30 | 63366925 | Christos Stathis | * The views and conclusions contained in the software and
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31 | 63366925 | Christos Stathis | * documentation are those of the authors and should not be
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32 | 63366925 | Christos Stathis | * interpreted as representing official policies, either expressed
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33 | 63366925 | Christos Stathis | * or implied, of GRNET S.A.
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34 | a57faaf0 | Christos Stathis | */
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35 | a57faaf0 | Christos Stathis | package gr.grnet.pithos.web.client; |
36 | a57faaf0 | Christos Stathis | |
37 | a57faaf0 | Christos Stathis | import com.google.gwt.dom.client.NativeEvent; |
38 | a57faaf0 | Christos Stathis | import com.google.gwt.event.dom.client.ClickEvent; |
39 | a57faaf0 | Christos Stathis | import com.google.gwt.event.dom.client.ClickHandler; |
40 | a57faaf0 | Christos Stathis | import com.google.gwt.event.dom.client.KeyCodes; |
41 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.Event.NativePreviewEvent; |
42 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.AbstractImagePrototype; |
43 | 4420a247 | Christos Stathis | import com.google.gwt.user.client.ui.Anchor; |
44 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.Button; |
45 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.DialogBox; |
46 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.HTML; |
47 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.HasHorizontalAlignment; |
48 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.HorizontalPanel; |
49 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.VerticalPanel; |
50 | a57faaf0 | Christos Stathis | |
51 | a57faaf0 | Christos Stathis | |
52 | a57faaf0 | Christos Stathis | /**
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53 | a57faaf0 | Christos Stathis | * A dialog for requesting confirmation from the user.
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54 | a57faaf0 | Christos Stathis | */
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55 | a57faaf0 | Christos Stathis | public abstract class ConfirmationDialog extends DialogBox { |
56 | a57faaf0 | Christos Stathis | |
57 | a57faaf0 | Christos Stathis | /**
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58 | a57faaf0 | Christos Stathis | * The widget's constructor.
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59 | a57faaf0 | Christos Stathis | *
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60 | a57faaf0 | Christos Stathis | * @param message the message to display
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61 | a57faaf0 | Christos Stathis | * @param buttonLabel the label of the confirmation button
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62 | a57faaf0 | Christos Stathis | */
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63 | a57faaf0 | Christos Stathis | public ConfirmationDialog(String message, String buttonLabel) { |
64 | 4420a247 | Christos Stathis | Anchor close = new Anchor();
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65 | 4420a247 | Christos Stathis | close.addStyleName("close");
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66 | 4420a247 | Christos Stathis | close.addClickHandler(new ClickHandler() {
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67 | 4420a247 | Christos Stathis | |
68 | 4420a247 | Christos Stathis | @Override
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69 | 4420a247 | Christos Stathis | public void onClick(ClickEvent event) { |
70 | 4420a247 | Christos Stathis | hide(); |
71 | 4420a247 | Christos Stathis | } |
72 | 4420a247 | Christos Stathis | }); |
73 | a57faaf0 | Christos Stathis | // Set the dialog's caption.
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74 | a57faaf0 | Christos Stathis | setText("Confirmation");
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75 | a57faaf0 | Christos Stathis | setAnimationEnabled(true);
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76 | 4420a247 | Christos Stathis | setGlassEnabled(true);
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77 | 4420a247 | Christos Stathis | setStyleName("pithos-DialogBox");
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78 | a57faaf0 | Christos Stathis | // Create a VerticalPanel to contain the label and the buttons.
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79 | a57faaf0 | Christos Stathis | VerticalPanel outer = new VerticalPanel();
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80 | 4420a247 | Christos Stathis | outer.add(close); |
81 | 4420a247 | Christos Stathis | |
82 | 4420a247 | Christos Stathis | VerticalPanel inner = new VerticalPanel();
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83 | 4420a247 | Christos Stathis | inner.addStyleName("inner");
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84 | a57faaf0 | Christos Stathis | |
85 | a57faaf0 | Christos Stathis | HTML text = new HTML("<table><tr><td rowspan='2'> " + |
86 | a57faaf0 | Christos Stathis | AbstractImagePrototype.create(MessagePanel.images.warn()).getHTML() + |
87 | a57faaf0 | Christos Stathis | "</td><td>" + message + "</td></tr></table>"); |
88 | a57faaf0 | Christos Stathis | text.setStyleName("pithos-warnMessage");
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89 | 4420a247 | Christos Stathis | inner.add(text); |
90 | 4420a247 | Christos Stathis | inner.setCellHorizontalAlignment(text, HasHorizontalAlignment.ALIGN_CENTER); |
91 | a57faaf0 | Christos Stathis | |
92 | a57faaf0 | Christos Stathis | // Create the 'Update' button, along with a listener that hides the
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93 | a57faaf0 | Christos Stathis | // dialog when the button is clicked and renames the file.
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94 | a57faaf0 | Christos Stathis | Button ok = new Button(buttonLabel, new ClickHandler() { |
95 | a57faaf0 | Christos Stathis | |
96 | a57faaf0 | Christos Stathis | @Override
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97 | 7811b9d1 | Christos Stathis | public void onClick(@SuppressWarnings("unused") ClickEvent event) { |
98 | a57faaf0 | Christos Stathis | confirm(); |
99 | a57faaf0 | Christos Stathis | hide(); |
100 | a57faaf0 | Christos Stathis | } |
101 | a57faaf0 | Christos Stathis | }); |
102 | 4420a247 | Christos Stathis | ok.addStyleName("button");
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103 | 4420a247 | Christos Stathis | inner.add(ok); |
104 | 4420a247 | Christos Stathis | |
105 | 4420a247 | Christos Stathis | outer.add(inner); |
106 | 4420a247 | Christos Stathis | outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER); |
107 | a57faaf0 | Christos Stathis | setWidget(outer); |
108 | a57faaf0 | Christos Stathis | } |
109 | a57faaf0 | Christos Stathis | |
110 | a57faaf0 | Christos Stathis | @Override
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111 | a57faaf0 | Christos Stathis | protected void onPreviewNativeEvent(NativePreviewEvent preview) { |
112 | a57faaf0 | Christos Stathis | super.onPreviewNativeEvent(preview);
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113 | a57faaf0 | Christos Stathis | NativeEvent evt = preview.getNativeEvent(); |
114 | a57faaf0 | Christos Stathis | if (evt.getType().equals("keydown")) |
115 | a57faaf0 | Christos Stathis | // Use the popup's key preview hooks to close the dialog when either
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116 | a57faaf0 | Christos Stathis | // enter or escape is pressed.
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117 | a57faaf0 | Christos Stathis | switch (evt.getKeyCode()) {
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118 | a57faaf0 | Christos Stathis | case KeyCodes.KEY_ENTER:
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119 | a57faaf0 | Christos Stathis | hide(); |
120 | a57faaf0 | Christos Stathis | confirm(); |
121 | a57faaf0 | Christos Stathis | break;
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122 | a57faaf0 | Christos Stathis | case KeyCodes.KEY_ESCAPE:
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123 | a57faaf0 | Christos Stathis | hide(); |
124 | a57faaf0 | Christos Stathis | cancel(); |
125 | a57faaf0 | Christos Stathis | break;
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126 | a57faaf0 | Christos Stathis | } |
127 | a57faaf0 | Christos Stathis | } |
128 | a57faaf0 | Christos Stathis | |
129 | a57faaf0 | Christos Stathis | public abstract void confirm(); |
130 | a57faaf0 | Christos Stathis | |
131 | a57faaf0 | Christos Stathis | public abstract void cancel(); |
132 | a57faaf0 | Christos Stathis | } |