Meta for files is requested just before showing the propeties dialog (issue #2052)
[pithos-web-client] / src / gr / grnet / pithos / web / client / commands / PropertiesCommand.java
1 /*
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10  *      disclaimer.
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35 package gr.grnet.pithos.web.client.commands;
36
37 import gr.grnet.pithos.web.client.FilePermissionsDialog;
38 import gr.grnet.pithos.web.client.FilePropertiesDialog;
39 import gr.grnet.pithos.web.client.FileVersionsDialog;
40 import gr.grnet.pithos.web.client.FilesPropertiesDialog;
41 import gr.grnet.pithos.web.client.FolderPermissionsDialog;
42 import gr.grnet.pithos.web.client.FolderPropertiesDialog;
43 import gr.grnet.pithos.web.client.Pithos;
44 import gr.grnet.pithos.web.client.foldertree.File;
45 import gr.grnet.pithos.web.client.foldertree.Folder;
46 import gr.grnet.pithos.web.client.foldertree.Resource;
47 import gr.grnet.pithos.web.client.rest.HeadRequest;
48 import gr.grnet.pithos.web.client.rest.RestException;
49
50 import java.util.List;
51
52 import com.google.gwt.core.client.GWT;
53 import com.google.gwt.core.client.Scheduler;
54 import com.google.gwt.http.client.Response;
55 import com.google.gwt.user.client.Command;
56 import com.google.gwt.user.client.ui.PopupPanel;
57
58 /**
59  * The command that displays the appropriate Properties dialog, according to the
60  * selected object in the application.
61  *
62  */
63 public class PropertiesCommand implements Command {
64
65         public static final int PROPERTIES = 0;
66         public static final int PERMISSIONS = 1;
67         public static final int VERSIONS = 2;
68
69         private PopupPanel containerPanel;
70
71         private int tabToShow = 0;
72
73     private Object resource;
74
75     Pithos app;
76
77         /**
78          * @param _containerPanel
79          * @param _tab the tab to switch to
80          */
81         public PropertiesCommand(Pithos _app, PopupPanel _containerPanel, Object _resource, int _tab) {
82                 containerPanel = _containerPanel;
83                 tabToShow = _tab;
84         resource = _resource;
85         app = _app;
86         }
87
88         @Override
89         public void execute() {
90         if (containerPanel != null)
91                     containerPanel.hide();
92
93         if (resource instanceof Folder) {
94             Folder folder = (Folder) resource;
95             switch (tabToShow) {
96                                 case PROPERTIES:
97                                         FolderPropertiesDialog dlg = new FolderPropertiesDialog(app, false, folder);
98                                         dlg.center();
99                                         break;
100                                 case PERMISSIONS:
101                                         FolderPermissionsDialog dlg1 = new FolderPermissionsDialog(app, folder);
102                                         dlg1.center();
103                                         break;
104                                 default:
105                                         break;
106                         }
107         }
108         else if (resource instanceof List) {
109             @SuppressWarnings("unchecked")
110                         List<File> files = (List<File>) resource;
111             if (files.size() > 1) {
112                 FilesPropertiesDialog dlg = new FilesPropertiesDialog(app, files);
113                 dlg.center();
114             }
115             else {
116                 switch (tabToShow) {
117                                         case PROPERTIES:
118                                                 File f = files.get(0);
119                                 final FilePropertiesDialog dlg = new FilePropertiesDialog(app, f);
120                                 HeadRequest<File> headFile = new HeadRequest<File>(File.class, app.getApiPath(), f.getOwner(), f.getUri(), f) {
121
122                                         @Override
123                                         public void onSuccess(File _result) {
124                                                 dlg.center();
125                                         }
126
127                                                         @Override
128                                                         public void onError(Throwable t) {
129                                             GWT.log("Error heading file", t);
130                                                                 app.setError(t);
131                                             if (t instanceof RestException)
132                                                 app.displayError("Error heading file: " + ((RestException) t).getHttpStatusText());
133                                             else
134                                                 app.displayError("System error heading folder: " + t.getMessage());
135                                                         }
136
137                                                         @Override
138                                                         protected void onUnauthorized(Response response) {
139                                                                 app.sessionExpired();
140                                                         }
141                                                 };
142                                                 headFile.setHeader("X-Auth-Token", app.getToken());
143                                                 Scheduler.get().scheduleDeferred(headFile);
144                                                 break;
145                                         case PERMISSIONS:
146                                 FilePermissionsDialog dlg1 = new FilePermissionsDialog(app, files.get(0));
147                                 dlg1.center();
148                                                 break;
149                                         case VERSIONS:
150                                 FileVersionsDialog dlg2 = new FileVersionsDialog(app, files.get(0));
151                                 dlg2.center();
152                                                 break;
153                                         default:
154                                                 break;
155                                 }
156             }
157         }
158         }
159 }