root / src / gr / grnet / pithos / web / client / AbstractPropertiesDialog.java @ ef5b664d
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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 gr.grnet.pithos.web.client.rest.GetCommand; |
38 | a57faaf0 | Christos Stathis | import gr.grnet.pithos.web.client.rest.resource.TagsResource; |
39 | a57faaf0 | Christos Stathis | |
40 | a57faaf0 | Christos Stathis | import java.util.List; |
41 | a57faaf0 | Christos Stathis | |
42 | a57faaf0 | Christos Stathis | import com.google.gwt.core.client.GWT; |
43 | a57faaf0 | Christos Stathis | import com.google.gwt.dom.client.NativeEvent; |
44 | a57faaf0 | Christos Stathis | import com.google.gwt.event.dom.client.ClickEvent; |
45 | a57faaf0 | Christos Stathis | import com.google.gwt.event.dom.client.ClickHandler; |
46 | a57faaf0 | Christos Stathis | import com.google.gwt.event.dom.client.KeyCodes; |
47 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.DeferredCommand; |
48 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.Event.NativePreviewEvent; |
49 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.Anchor; |
50 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.DialogBox; |
51 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.FlowPanel; |
52 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.Label; |
53 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.TabPanel; |
54 | a57faaf0 | Christos Stathis | import com.google.gwt.user.client.ui.TextBox; |
55 | a57faaf0 | Christos Stathis | |
56 | a57faaf0 | Christos Stathis | /**
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57 | a57faaf0 | Christos Stathis | * Abstract class, parent of all 'File properties' dialog boxes.
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58 | a57faaf0 | Christos Stathis | *
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59 | a57faaf0 | Christos Stathis | */
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60 | a57faaf0 | Christos Stathis | public abstract class AbstractPropertiesDialog extends DialogBox { |
61 | a57faaf0 | Christos Stathis | |
62 | a57faaf0 | Christos Stathis | protected static final String MULTIPLE_VALUES_TEXT = "(Multiple values)"; |
63 | a57faaf0 | Christos Stathis | |
64 | a57faaf0 | Christos Stathis | /**
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65 | a57faaf0 | Christos Stathis | * Text box with the tags associated with the file
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66 | a57faaf0 | Christos Stathis | */
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67 | a57faaf0 | Christos Stathis | protected TextBox tags = new TextBox(); |
68 | a57faaf0 | Christos Stathis | |
69 | a57faaf0 | Christos Stathis | protected String initialTagText; |
70 | a57faaf0 | Christos Stathis | |
71 | a57faaf0 | Christos Stathis | /**
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72 | a57faaf0 | Christos Stathis | * A FlowPanel with all user tags
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73 | a57faaf0 | Christos Stathis | */
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74 | a57faaf0 | Christos Stathis | protected FlowPanel allTagsContent;
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75 | a57faaf0 | Christos Stathis | |
76 | a57faaf0 | Christos Stathis | |
77 | a57faaf0 | Christos Stathis | protected TabPanel inner = null; |
78 | a57faaf0 | Christos Stathis | |
79 | a57faaf0 | Christos Stathis | /**
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80 | a57faaf0 | Christos Stathis | * The widget's constructor.
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81 | a57faaf0 | Christos Stathis | *
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82 | a57faaf0 | Christos Stathis | */
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83 | a57faaf0 | Christos Stathis | public AbstractPropertiesDialog() {
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84 | a57faaf0 | Christos Stathis | |
85 | a57faaf0 | Christos Stathis | // Enable IE selection for the dialog (must disable it upon closing it)
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86 | 749068ba | Christos Stathis | Pithos.enableIESelection(); |
87 | a57faaf0 | Christos Stathis | |
88 | a57faaf0 | Christos Stathis | setAnimationEnabled(true);
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89 | a57faaf0 | Christos Stathis | |
90 | a57faaf0 | Christos Stathis | } |
91 | a57faaf0 | Christos Stathis | /**
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92 | a57faaf0 | Christos Stathis | * Retrieves all user tags from the server and updates the FlowPanel
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93 | a57faaf0 | Christos Stathis | */
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94 | a57faaf0 | Christos Stathis | protected void updateTags() { |
95 | 749068ba | Christos Stathis | GetCommand<TagsResource> tc = new GetCommand<TagsResource>(TagsResource.class, Pithos.get().getCurrentUserResource().getTagsPath(),null) { |
96 | a57faaf0 | Christos Stathis | |
97 | a57faaf0 | Christos Stathis | @Override
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98 | a57faaf0 | Christos Stathis | public void onComplete() { |
99 | a57faaf0 | Christos Stathis | allTagsContent.clear(); |
100 | a57faaf0 | Christos Stathis | TagsResource tagr = getResult(); |
101 | a57faaf0 | Christos Stathis | List<String> userTags = tagr.getTags(); |
102 | a57faaf0 | Christos Stathis | Anchor tag = null;
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103 | a57faaf0 | Christos Stathis | for(String usrTag : userTags){ |
104 | a57faaf0 | Christos Stathis | tag = new Anchor(usrTag.toString(), false); |
105 | a57faaf0 | Christos Stathis | tag.addStyleName("pithos-tag");
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106 | a57faaf0 | Christos Stathis | allTagsContent.add(tag); |
107 | a57faaf0 | Christos Stathis | Label separator = new Label(", "); |
108 | a57faaf0 | Christos Stathis | separator.addStyleName("pithos-tag");
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109 | a57faaf0 | Christos Stathis | allTagsContent.add(separator); |
110 | a57faaf0 | Christos Stathis | tag.addClickHandler( new ClickHandler() {
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111 | a57faaf0 | Christos Stathis | |
112 | a57faaf0 | Christos Stathis | @Override
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113 | a57faaf0 | Christos Stathis | public void onClick(ClickEvent event) { |
114 | a57faaf0 | Christos Stathis | String existing = tags.getText();
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115 | a57faaf0 | Christos Stathis | if (MULTIPLE_VALUES_TEXT.equals(existing)) existing = ""; |
116 | a57faaf0 | Christos Stathis | String newTag = ((Anchor) event.getSource()).getText().trim();
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117 | a57faaf0 | Christos Stathis | // insert the new tag only if it is not in the list
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118 | a57faaf0 | Christos Stathis | // already
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119 | a57faaf0 | Christos Stathis | if (existing.indexOf(newTag) == -1 && !existing.trim().endsWith(newTag)) |
120 | a57faaf0 | Christos Stathis | tags.setText(existing.trim() |
121 | a57faaf0 | Christos Stathis | + (existing.length() > 0 ? ", " : "") |
122 | a57faaf0 | Christos Stathis | + newTag); |
123 | a57faaf0 | Christos Stathis | } |
124 | a57faaf0 | Christos Stathis | }); |
125 | a57faaf0 | Christos Stathis | } |
126 | a57faaf0 | Christos Stathis | } |
127 | a57faaf0 | Christos Stathis | |
128 | a57faaf0 | Christos Stathis | @Override
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129 | a57faaf0 | Christos Stathis | public void onError(Throwable t) { |
130 | a57faaf0 | Christos Stathis | GWT.log("", t);
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131 | 749068ba | Christos Stathis | Pithos.get().displayError("Unable to fetch user tags");
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132 | a57faaf0 | Christos Stathis | } |
133 | a57faaf0 | Christos Stathis | }; |
134 | a57faaf0 | Christos Stathis | DeferredCommand.addCommand(tc); |
135 | a57faaf0 | Christos Stathis | |
136 | a57faaf0 | Christos Stathis | } |
137 | a57faaf0 | Christos Stathis | |
138 | a57faaf0 | Christos Stathis | /**
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139 | a57faaf0 | Christos Stathis | * Accepts any change and updates the file
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140 | a57faaf0 | Christos Stathis | *
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141 | a57faaf0 | Christos Stathis | */
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142 | a57faaf0 | Christos Stathis | protected abstract void accept(); |
143 | a57faaf0 | Christos Stathis | |
144 | a57faaf0 | Christos Stathis | @Override
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145 | a57faaf0 | Christos Stathis | @SuppressWarnings("fallthrough") |
146 | a57faaf0 | Christos Stathis | protected void onPreviewNativeEvent(NativePreviewEvent preview) { |
147 | a57faaf0 | Christos Stathis | super.onPreviewNativeEvent(preview);
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148 | a57faaf0 | Christos Stathis | |
149 | a57faaf0 | Christos Stathis | NativeEvent evt = preview.getNativeEvent(); |
150 | a57faaf0 | Christos Stathis | if (evt.getType().equals("keydown")) |
151 | a57faaf0 | Christos Stathis | // Use the popup's key preview hooks to close the dialog when either
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152 | a57faaf0 | Christos Stathis | // enter or escape is pressed.
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153 | a57faaf0 | Christos Stathis | switch (evt.getKeyCode()) {
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154 | a57faaf0 | Christos Stathis | case KeyCodes.KEY_ENTER:
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155 | a57faaf0 | Christos Stathis | accept(); |
156 | a57faaf0 | Christos Stathis | case KeyCodes.KEY_ESCAPE:
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157 | a57faaf0 | Christos Stathis | closeDialog(); |
158 | a57faaf0 | Christos Stathis | break;
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159 | a57faaf0 | Christos Stathis | } |
160 | a57faaf0 | Christos Stathis | } |
161 | a57faaf0 | Christos Stathis | |
162 | a57faaf0 | Christos Stathis | |
163 | a57faaf0 | Christos Stathis | |
164 | a57faaf0 | Christos Stathis | public void selectTab(int _tab) { |
165 | a57faaf0 | Christos Stathis | inner.selectTab(_tab); |
166 | a57faaf0 | Christos Stathis | } |
167 | a57faaf0 | Christos Stathis | |
168 | a57faaf0 | Christos Stathis | |
169 | a57faaf0 | Christos Stathis | /**
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170 | a57faaf0 | Christos Stathis | * Enables IE selection prevention and hides the dialog
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171 | a57faaf0 | Christos Stathis | * (we disable the prevention on creation of the dialog)
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172 | a57faaf0 | Christos Stathis | */
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173 | a57faaf0 | Christos Stathis | public void closeDialog() { |
174 | 749068ba | Christos Stathis | Pithos.preventIESelection(); |
175 | a57faaf0 | Christos Stathis | hide(); |
176 | a57faaf0 | Christos Stathis | } |
177 | a57faaf0 | Christos Stathis | } |