root / src / gr / grnet / pithos / web / client / foldertree / FolderTreeViewModel.java @ 2f4ea617
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1 | 6084aa02 | Christos Stathis | /*
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2 | cae2a8db | Christos Stathis | * Copyright 2011-2012 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 | 6084aa02 | Christos Stathis | */
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35 | 6084aa02 | Christos Stathis | |
36 | 6084aa02 | Christos Stathis | package gr.grnet.pithos.web.client.foldertree; |
37 | 6084aa02 | Christos Stathis | |
38 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.FolderContextMenu; |
39 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.Pithos; |
40 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.foldertree.FolderTreeView.Templates; |
41 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.rest.GetRequest; |
42 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.rest.RestException; |
43 | 7811b9d1 | Christos Stathis | |
44 | 4ca9cb37 | Christos Stathis | import java.util.ArrayList; |
45 | 7811b9d1 | Christos Stathis | import java.util.HashMap; |
46 | 7811b9d1 | Christos Stathis | import java.util.Iterator; |
47 | 7811b9d1 | Christos Stathis | import java.util.Map; |
48 | 7811b9d1 | Christos Stathis | |
49 | 447407c8 | Christos Stathis | import com.google.gwt.cell.client.AbstractCell; |
50 | 447407c8 | Christos Stathis | import com.google.gwt.cell.client.Cell; |
51 | 6084aa02 | Christos Stathis | import com.google.gwt.core.client.GWT; |
52 | 6084aa02 | Christos Stathis | import com.google.gwt.core.client.Scheduler; |
53 | 447407c8 | Christos Stathis | import com.google.gwt.event.dom.client.ContextMenuEvent; |
54 | 9539e23d | Christos Stathis | import com.google.gwt.http.client.Response; |
55 | f5023f13 | Christos Stathis | import com.google.gwt.http.client.URL; |
56 | 7b28ae07 | Christos Stathis | import com.google.gwt.safehtml.shared.SafeHtml; |
57 | 447407c8 | Christos Stathis | import com.google.gwt.safehtml.shared.SafeHtmlBuilder; |
58 | 5ebc9312 | Christos Stathis | import com.google.gwt.user.client.Command; |
59 | 447407c8 | Christos Stathis | import com.google.gwt.user.client.ui.AbstractImagePrototype; |
60 | 6084aa02 | Christos Stathis | import com.google.gwt.view.client.ListDataProvider; |
61 | 6084aa02 | Christos Stathis | import com.google.gwt.view.client.SingleSelectionModel; |
62 | 6084aa02 | Christos Stathis | import com.google.gwt.view.client.TreeViewModel; |
63 | 6084aa02 | Christos Stathis | |
64 | 6084aa02 | Christos Stathis | public class FolderTreeViewModel implements TreeViewModel { |
65 | 6084aa02 | Christos Stathis | |
66 | 7811b9d1 | Christos Stathis | protected Pithos app;
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67 | a7c43f26 | Christos Stathis | |
68 | 447407c8 | Christos Stathis | private Cell<Folder> folderCell = new AbstractCell<Folder>(ContextMenuEvent.getType().getName()) { |
69 | 447407c8 | Christos Stathis | |
70 | 447407c8 | Christos Stathis | @Override
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71 | ebead1b5 | Christos Stathis | public void render(Context context, Folder folder, SafeHtmlBuilder safeHtmlBuilder) { |
72 | 05cf9e5b | Christos Stathis | String html;
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73 | 7b28ae07 | Christos Stathis | SafeHtml name; |
74 | 7b28ae07 | Christos Stathis | if (folder.isHome()) {
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75 | 7e8e9ff0 | Christos Stathis | html = AbstractImagePrototype.create(FolderTreeView.images.folderYellow()).getHTML(); |
76 | a92f9b30 | Christos Stathis | name = Templates.INSTANCE.nameSpan("Pithos"); |
77 | 7b28ae07 | Christos Stathis | } |
78 | 7b28ae07 | Christos Stathis | else if (folder.isTrash()) { |
79 | 7b28ae07 | Christos Stathis | html = AbstractImagePrototype.create(FolderTreeView.images.trash()).getHTML(); |
80 | 7b28ae07 | Christos Stathis | name = Templates.INSTANCE.nameSpan("Trash"); |
81 | 7b28ae07 | Christos Stathis | } |
82 | 7b28ae07 | Christos Stathis | else {
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83 | 04f50dbe | Christos Stathis | html = AbstractImagePrototype.create(folder.isShared() ? FolderTreeView.images.myShared() : FolderTreeView.images.folderYellow()).getHTML(); |
84 | 7b28ae07 | Christos Stathis | name = Templates.INSTANCE.nameSpan(folder.getName());
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85 | 7b28ae07 | Christos Stathis | } |
86 | a7b6e464 | Christos Stathis | safeHtmlBuilder.appendHtmlConstant(html).appendHtmlConstant(" ");
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87 | 7b28ae07 | Christos Stathis | safeHtmlBuilder.append(name); |
88 | 447407c8 | Christos Stathis | } |
89 | 447407c8 | Christos Stathis | |
90 | 447407c8 | Christos Stathis | @Override
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91 | a2f617f8 | Christos Stathis | public void onBrowserEvent(Cell.Context context, com.google.gwt.dom.client.Element parent, final Folder folder, com.google.gwt.dom.client.NativeEvent event, com.google.gwt.cell.client.ValueUpdater<Folder> valueUpdater) { |
92 | 447407c8 | Christos Stathis | if (event.getType().equals(ContextMenuEvent.getType().getName())) {
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93 | a2f617f8 | Christos Stathis | final int x = event.getClientX(); |
94 | a2f617f8 | Christos Stathis | final int y = event.getClientY(); |
95 | b651e67f | Christos Stathis | FolderTreeViewModel.this.selectionModel.setSelected(folder, true);
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96 | a2f617f8 | Christos Stathis | app.scheduleFolderHeadCommand(folder, new Command() {
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97 | a2f617f8 | Christos Stathis | |
98 | a2f617f8 | Christos Stathis | @Override
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99 | a2f617f8 | Christos Stathis | public void execute() { |
100 | a2f617f8 | Christos Stathis | FolderContextMenu menu = new FolderContextMenu(app, FolderTreeView.images, app.getSelectedTree(), folder);
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101 | a2f617f8 | Christos Stathis | menu.setPopupPosition(x, y); |
102 | a2f617f8 | Christos Stathis | menu.show(); |
103 | a2f617f8 | Christos Stathis | } |
104 | a2f617f8 | Christos Stathis | }); |
105 | 447407c8 | Christos Stathis | } |
106 | 447407c8 | Christos Stathis | } |
107 | 447407c8 | Christos Stathis | }; |
108 | 447407c8 | Christos Stathis | |
109 | 7811b9d1 | Christos Stathis | protected ListDataProvider<Folder> rootDataProvider = new ListDataProvider<Folder>(); |
110 | 7c818c14 | Christos Stathis | |
111 | cf49bbc9 | Christos Stathis | private Map<Folder, ListDataProvider<Folder>> dataProviderMap = new HashMap<Folder, ListDataProvider<Folder>>(); |
112 | b651e67f | Christos Stathis | |
113 | 7811b9d1 | Christos Stathis | protected SingleSelectionModel<Folder> selectionModel; |
114 | 875a0179 | Christos Stathis | |
115 | a7c43f26 | Christos Stathis | public FolderTreeViewModel(Pithos _app, SingleSelectionModel<Folder> selectionModel) { |
116 | a7c43f26 | Christos Stathis | app = _app; |
117 | 875a0179 | Christos Stathis | this.selectionModel = selectionModel;
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118 | 6084aa02 | Christos Stathis | } |
119 | 7c818c14 | Christos Stathis | |
120 | 6084aa02 | Christos Stathis | @Override
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121 | 6084aa02 | Christos Stathis | public <T> NodeInfo<?> getNodeInfo(T value) {
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122 | 6084aa02 | Christos Stathis | if (value == null) { |
123 | 6084aa02 | Christos Stathis | Folder f = new Folder("Loading ..."); |
124 | 7c818c14 | Christos Stathis | rootDataProvider.getList().add(f); |
125 | 447407c8 | Christos Stathis | return new DefaultNodeInfo<Folder>(rootDataProvider, folderCell, selectionModel, null); |
126 | 6084aa02 | Christos Stathis | } |
127 | 7811b9d1 | Christos Stathis | final Folder f = (Folder) value;
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128 | 7811b9d1 | Christos Stathis | if (dataProviderMap.get(f) == null) { |
129 | cf49bbc9 | Christos Stathis | dataProviderMap.put(f, new ListDataProvider<Folder>());
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130 | 7811b9d1 | Christos Stathis | } |
131 | cf49bbc9 | Christos Stathis | final ListDataProvider<Folder> dataProvider = dataProviderMap.get(f);
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132 | fb0060d7 | Christos Stathis | //This prevents the loading indicator
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133 | fb0060d7 | Christos Stathis | // dataProvider.getList().clear();
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134 | fb0060d7 | Christos Stathis | // dataProvider.getList().addAll(f.getSubfolders());
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135 | cf49bbc9 | Christos Stathis | fetchFolder(f, dataProvider, false, null); |
136 | 7811b9d1 | Christos Stathis | return new DefaultNodeInfo<Folder>(dataProvider, folderCell, selectionModel, null); |
137 | 6084aa02 | Christos Stathis | } |
138 | 6084aa02 | Christos Stathis | |
139 | 6084aa02 | Christos Stathis | @Override
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140 | 6084aa02 | Christos Stathis | public boolean isLeaf(Object o) { |
141 | 6084aa02 | Christos Stathis | if (o instanceof Folder) { |
142 | 6084aa02 | Christos Stathis | Folder f = (Folder) o; |
143 | 6084aa02 | Christos Stathis | return f.getSubfolders().isEmpty();
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144 | 6084aa02 | Christos Stathis | } |
145 | 6084aa02 | Christos Stathis | return false; |
146 | 6084aa02 | Christos Stathis | } |
147 | 6084aa02 | Christos Stathis | |
148 | 0ec61115 | Christos Stathis | private native void log(String msg) /*-{ |
149 | 0ec61115 | Christos Stathis | $wnd.console.log(msg);
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150 | 0ec61115 | Christos Stathis | }-*/;
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151 | 0ec61115 | Christos Stathis | |
152 | 7811b9d1 | Christos Stathis | protected void fetchFolder(final Iterator<Folder> iter, final Command callback) { |
153 | 8e61880b | Christos Stathis | if (iter.hasNext()) {
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154 | 8e61880b | Christos Stathis | final Folder f = iter.next();
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155 | 8e61880b | Christos Stathis | |
156 | f5023f13 | Christos Stathis | String path = "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + URL.encodeQueryString(f.getPrefix()); |
157 | 63ee965c | Christos Stathis | GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), f.getOwner(), path, f) {
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158 | 8e61880b | Christos Stathis | @Override
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159 | ebead1b5 | Christos Stathis | public void onSuccess(Folder _result) { |
160 | 5ebc9312 | Christos Stathis | fetchFolder(iter, callback); |
161 | 8e61880b | Christos Stathis | } |
162 | 8e61880b | Christos Stathis | |
163 | 8e61880b | Christos Stathis | @Override
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164 | 8e61880b | Christos Stathis | public void onError(Throwable t) { |
165 | 8e61880b | Christos Stathis | GWT.log("Error getting folder", t);
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166 | 3f8622d4 | Christos Stathis | app.setError(t); |
167 | 8e61880b | Christos Stathis | if (t instanceof RestException) |
168 | a7c43f26 | Christos Stathis | app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
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169 | 8e61880b | Christos Stathis | else
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170 | a7c43f26 | Christos Stathis | app.displayError("System error fetching folder: " + t.getMessage());
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171 | 8e61880b | Christos Stathis | } |
172 | 9539e23d | Christos Stathis | |
173 | 9539e23d | Christos Stathis | @Override
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174 | 9539e23d | Christos Stathis | protected void onUnauthorized(Response response) { |
175 | 9539e23d | Christos Stathis | app.sessionExpired(); |
176 | 9539e23d | Christos Stathis | } |
177 | 8e61880b | Christos Stathis | }; |
178 | 875a0179 | Christos Stathis | getFolder.setHeader("X-Auth-Token", app.getToken());
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179 | 8e61880b | Christos Stathis | Scheduler.get().scheduleDeferred(getFolder); |
180 | 8e61880b | Christos Stathis | } |
181 | 5ebc9312 | Christos Stathis | else if (callback != null) |
182 | 5ebc9312 | Christos Stathis | callback.execute(); |
183 | 5ebc9312 | Christos Stathis | } |
184 | 5ebc9312 | Christos Stathis | |
185 | 5fab761b | Christos Stathis | public void initialize(final AccountResource account, final Command callback) { |
186 | 4ca9cb37 | Christos Stathis | Iterator<Folder> iter = account.getContainers().listIterator();
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187 | 5ebc9312 | Christos Stathis | fetchFolder(iter, new Command() {
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188 | 5ebc9312 | Christos Stathis | @Override
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189 | 5ebc9312 | Christos Stathis | public void execute() { |
190 | 5ebc9312 | Christos Stathis | rootDataProvider.getList().clear(); |
191 | 067bbb04 | Christos Stathis | Folder t = null;
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192 | 067bbb04 | Christos Stathis | for (Folder c : account.getContainers()) {
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193 | 067bbb04 | Christos Stathis | if (c.isHome())
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194 | 067bbb04 | Christos Stathis | rootDataProvider.getList().add(0, c); //Pithos is always first |
195 | 067bbb04 | Christos Stathis | else if (c.isTrash()) |
196 | 067bbb04 | Christos Stathis | t = c; //Keep trash for adding in the end
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197 | 067bbb04 | Christos Stathis | else
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198 | 067bbb04 | Christos Stathis | rootDataProvider.getList().add(c); |
199 | 067bbb04 | Christos Stathis | } |
200 | 067bbb04 | Christos Stathis | if (t != null) |
201 | 067bbb04 | Christos Stathis | rootDataProvider.getList().add(t); |
202 | 5ebc9312 | Christos Stathis | selectionModel.setSelected(rootDataProvider.getList().get(0), true); |
203 | 5fab761b | Christos Stathis | if (callback != null) |
204 | 5fab761b | Christos Stathis | callback.execute(); |
205 | 05cf9e5b | Christos Stathis | } |
206 | 5ebc9312 | Christos Stathis | }); |
207 | 7c818c14 | Christos Stathis | } |
208 | 875a0179 | Christos Stathis | |
209 | 875a0179 | Christos Stathis | public Folder getSelection() {
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210 | 875a0179 | Christos Stathis | return selectionModel.getSelectedObject();
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211 | 875a0179 | Christos Stathis | } |
212 | b651e67f | Christos Stathis | |
213 | 6acd4df3 | Christos Stathis | public void updateFolder(final Folder folder, boolean showfiles, final Command callback, final boolean openParent) { |
214 | b651e67f | Christos Stathis | if (dataProviderMap.get(folder) == null) { |
215 | cf49bbc9 | Christos Stathis | dataProviderMap.put(folder, new ListDataProvider<Folder>());
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216 | b651e67f | Christos Stathis | } |
217 | cf49bbc9 | Christos Stathis | final ListDataProvider<Folder> dataProvider = dataProviderMap.get(folder);
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218 | adb597b8 | Christos Stathis | fetchFolder(folder, dataProvider, showfiles, new Command() {
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219 | adb597b8 | Christos Stathis | |
220 | adb597b8 | Christos Stathis | @Override
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221 | adb597b8 | Christos Stathis | public void execute() { |
222 | 6acd4df3 | Christos Stathis | if (openParent)
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223 | 6acd4df3 | Christos Stathis | app.getFolderTreeView().openFolder(folder); |
224 | adb597b8 | Christos Stathis | if (callback != null) |
225 | adb597b8 | Christos Stathis | callback.execute(); |
226 | adb597b8 | Christos Stathis | } |
227 | adb597b8 | Christos Stathis | }); |
228 | b651e67f | Christos Stathis | } |
229 | b651e67f | Christos Stathis | |
230 | cf49bbc9 | Christos Stathis | public void fetchFolder(final Folder f, final ListDataProvider<Folder> dataProvider, final boolean showfiles, final Command callback) { |
231 | f5023f13 | Christos Stathis | String path = "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + URL.encodeQueryString(f.getPrefix()); |
232 | f5023f13 | Christos Stathis | GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), f.getOwner(), path, f) {
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233 | b651e67f | Christos Stathis | @Override
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234 | f5023f13 | Christos Stathis | public void onSuccess(final Folder _result) { |
235 | f5023f13 | Christos Stathis | if (showfiles)
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236 | f5023f13 | Christos Stathis | app.showFiles(_result); |
237 | 2dd70d7a | Christos Stathis | int defaultSize = app.getFolderTreeView().tree.getDefaultNodeSize();
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238 | 2dd70d7a | Christos Stathis | int size = _result.getSubfolders().size();
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239 | 2dd70d7a | Christos Stathis | if (size > defaultSize)
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240 | 2dd70d7a | Christos Stathis | app.getFolderTreeView().tree.setDefaultNodeSize(size); |
241 | 4ca9cb37 | Christos Stathis | Iterator<Folder> iter = new ArrayList<Folder>(_result.getSubfolders()).listIterator(); |
242 | f5023f13 | Christos Stathis | fetchFolder(iter, new Command() {
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243 | b651e67f | Christos Stathis | @Override
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244 | f5023f13 | Christos Stathis | public void execute() { |
245 | cf49bbc9 | Christos Stathis | dataProvider.getList().clear(); |
246 | cf49bbc9 | Christos Stathis | dataProvider.getList().addAll(_result.getSubfolders()); |
247 | f5023f13 | Christos Stathis | if (callback != null) |
248 | f5023f13 | Christos Stathis | callback.execute(); |
249 | b651e67f | Christos Stathis | } |
250 | f5023f13 | Christos Stathis | }); |
251 | f5023f13 | Christos Stathis | } |
252 | 9539e23d | Christos Stathis | |
253 | f5023f13 | Christos Stathis | @Override
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254 | f5023f13 | Christos Stathis | public void onError(Throwable t) { |
255 | 2f4ea617 | Christos Stathis | if (retries >= MAX_RETRIES) {
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256 | 2f4ea617 | Christos Stathis | GWT.log("Error getting folder", t);
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257 | 2f4ea617 | Christos Stathis | app.setError(t); |
258 | 2f4ea617 | Christos Stathis | if (t instanceof RestException) |
259 | 2f4ea617 | Christos Stathis | app.displayError("Error getting folder: " + ((RestException) t).getHttpStatusText());
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260 | 2f4ea617 | Christos Stathis | else
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261 | 2f4ea617 | Christos Stathis | app.displayError("System error fetching folder: " + t.getMessage());
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262 | 2f4ea617 | Christos Stathis | } |
263 | 2f4ea617 | Christos Stathis | else {//retry |
264 | 2f4ea617 | Christos Stathis | GWT.log("Retry " + retries);
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265 | 2f4ea617 | Christos Stathis | Scheduler.get().scheduleDeferred(this);
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266 | 2f4ea617 | Christos Stathis | } |
267 | b651e67f | Christos Stathis | } |
268 | f5023f13 | Christos Stathis | |
269 | f5023f13 | Christos Stathis | @Override
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270 | f5023f13 | Christos Stathis | protected void onUnauthorized(Response response) { |
271 | 2f4ea617 | Christos Stathis | if (retries >= MAX_RETRIES)
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272 | 2f4ea617 | Christos Stathis | app.sessionExpired(); |
273 | 2f4ea617 | Christos Stathis | else //retry |
274 | 2f4ea617 | Christos Stathis | Scheduler.get().scheduleDeferred(this);
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275 | f5023f13 | Christos Stathis | } |
276 | f5023f13 | Christos Stathis | }; |
277 | f5023f13 | Christos Stathis | getFolder.setHeader("X-Auth-Token", app.getToken());
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278 | f5023f13 | Christos Stathis | Scheduler.get().scheduleDeferred(getFolder); |
279 | b651e67f | Christos Stathis | } |
280 | 6084aa02 | Christos Stathis | } |