root / src / gr / grnet / pithos / web / client / tagtree / TagTreeViewModel.java @ ea30dad9
History | View | Annotate | Download (7.1 kB)
1 | a6592a15 | Christos Stathis | /*
|
---|---|---|---|
2 | cae2a8db | Christos Stathis | * Copyright 2011-2012 GRNET S.A. All rights reserved.
|
3 | a6592a15 | Christos Stathis | *
|
4 | a6592a15 | Christos Stathis | * Redistribution and use in source and binary forms, with or
|
5 | a6592a15 | Christos Stathis | * without modification, are permitted provided that the following
|
6 | a6592a15 | Christos Stathis | * conditions are met:
|
7 | a6592a15 | Christos Stathis | *
|
8 | a6592a15 | Christos Stathis | * 1. Redistributions of source code must retain the above
|
9 | a6592a15 | Christos Stathis | * copyright notice, this list of conditions and the following
|
10 | a6592a15 | Christos Stathis | * disclaimer.
|
11 | a6592a15 | Christos Stathis | *
|
12 | a6592a15 | Christos Stathis | * 2. Redistributions in binary form must reproduce the above
|
13 | a6592a15 | Christos Stathis | * copyright notice, this list of conditions and the following
|
14 | a6592a15 | Christos Stathis | * disclaimer in the documentation and/or other materials
|
15 | a6592a15 | Christos Stathis | * provided with the distribution.
|
16 | a6592a15 | Christos Stathis | *
|
17 | a6592a15 | Christos Stathis | * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
|
18 | a6592a15 | Christos Stathis | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
19 | a6592a15 | Christos Stathis | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
20 | a6592a15 | Christos Stathis | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
|
21 | a6592a15 | Christos Stathis | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
22 | a6592a15 | Christos Stathis | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
23 | a6592a15 | Christos Stathis | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
24 | a6592a15 | Christos Stathis | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
25 | a6592a15 | Christos Stathis | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
26 | a6592a15 | Christos Stathis | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
27 | a6592a15 | Christos Stathis | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
28 | a6592a15 | Christos Stathis | * POSSIBILITY OF SUCH DAMAGE.
|
29 | a6592a15 | Christos Stathis | *
|
30 | a6592a15 | Christos Stathis | * The views and conclusions contained in the software and
|
31 | a6592a15 | Christos Stathis | * documentation are those of the authors and should not be
|
32 | a6592a15 | Christos Stathis | * interpreted as representing official policies, either expressed
|
33 | a6592a15 | Christos Stathis | * or implied, of GRNET S.A.
|
34 | a6592a15 | Christos Stathis | */
|
35 | a6592a15 | Christos Stathis | |
36 | a6592a15 | Christos Stathis | package gr.grnet.pithos.web.client.tagtree; |
37 | a6592a15 | Christos Stathis | |
38 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.Pithos; |
39 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.foldertree.AccountResource; |
40 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.foldertree.File; |
41 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.foldertree.Folder; |
42 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.rest.GetRequest; |
43 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.rest.RestException; |
44 | 7811b9d1 | Christos Stathis | import gr.grnet.pithos.web.client.tagtree.TagTreeView.Templates; |
45 | 7811b9d1 | Christos Stathis | |
46 | 7811b9d1 | Christos Stathis | import java.util.Iterator; |
47 | 7811b9d1 | Christos Stathis | import java.util.LinkedHashSet; |
48 | 7811b9d1 | Christos Stathis | import java.util.List; |
49 | 7811b9d1 | Christos Stathis | import java.util.Set; |
50 | 7811b9d1 | Christos Stathis | |
51 | a6592a15 | Christos Stathis | import com.google.gwt.cell.client.AbstractCell; |
52 | a6592a15 | Christos Stathis | import com.google.gwt.cell.client.Cell; |
53 | a6592a15 | Christos Stathis | import com.google.gwt.cell.client.TextCell; |
54 | a845b044 | Christos Stathis | import com.google.gwt.core.client.GWT; |
55 | a845b044 | Christos Stathis | import com.google.gwt.core.client.Scheduler; |
56 | a6592a15 | Christos Stathis | import com.google.gwt.event.dom.client.ContextMenuEvent; |
57 | 9539e23d | Christos Stathis | import com.google.gwt.http.client.Response; |
58 | a6592a15 | Christos Stathis | import com.google.gwt.safehtml.shared.SafeHtml; |
59 | a6592a15 | Christos Stathis | import com.google.gwt.safehtml.shared.SafeHtmlBuilder; |
60 | a6592a15 | Christos Stathis | import com.google.gwt.text.shared.SafeHtmlRenderer; |
61 | a6592a15 | Christos Stathis | import com.google.gwt.user.client.ui.AbstractImagePrototype; |
62 | a6592a15 | Christos Stathis | import com.google.gwt.view.client.ListDataProvider; |
63 | a6592a15 | Christos Stathis | import com.google.gwt.view.client.SingleSelectionModel; |
64 | a6592a15 | Christos Stathis | import com.google.gwt.view.client.TreeViewModel; |
65 | a6592a15 | Christos Stathis | |
66 | a6592a15 | Christos Stathis | public class TagTreeViewModel implements TreeViewModel { |
67 | a6592a15 | Christos Stathis | |
68 | a6592a15 | Christos Stathis | private Cell<Tag> tagCell = new AbstractCell<Tag>(ContextMenuEvent.getType().getName()) { |
69 | a6592a15 | Christos Stathis | |
70 | a6592a15 | Christos Stathis | @Override
|
71 | ebead1b5 | Christos Stathis | public void render(Context context, Tag tag, SafeHtmlBuilder safeHtmlBuilder) { |
72 | 0d1e8310 | Christos Stathis | String html = AbstractImagePrototype.create(TagTreeView.images.tag()).getHTML();
|
73 | a6592a15 | Christos Stathis | safeHtmlBuilder.appendHtmlConstant(html); |
74 | a6592a15 | Christos Stathis | safeHtmlBuilder.append(Templates.INSTANCE.nameSpan(tag.getName()));
|
75 | a6592a15 | Christos Stathis | } |
76 | a6592a15 | Christos Stathis | |
77 | a6592a15 | Christos Stathis | @Override
|
78 | ebead1b5 | Christos Stathis | public void onBrowserEvent(Context context, com.google.gwt.dom.client.Element parent, Tag tag, com.google.gwt.dom.client.NativeEvent event, com.google.gwt.cell.client.ValueUpdater<Tag> valueUpdater) { |
79 | a6592a15 | Christos Stathis | if (event.getType().equals(com.google.gwt.event.dom.client.ContextMenuEvent.getType().getName())) {
|
80 | a6592a15 | Christos Stathis | TagTreeViewModel.this.selectionModel.setSelected(tag, true);
|
81 | a6592a15 | Christos Stathis | } |
82 | a6592a15 | Christos Stathis | } |
83 | a6592a15 | Christos Stathis | }; |
84 | a6592a15 | Christos Stathis | |
85 | a6592a15 | Christos Stathis | private ListDataProvider<String> rootDataProvider = new ListDataProvider<String>(); |
86 | a6592a15 | Christos Stathis | private ListDataProvider<Tag> tagDataProvider = new ListDataProvider<Tag>(); |
87 | a6592a15 | Christos Stathis | |
88 | 7811b9d1 | Christos Stathis | protected SingleSelectionModel<Tag> selectionModel; |
89 | a6592a15 | Christos Stathis | |
90 | 7811b9d1 | Christos Stathis | protected Pithos app;
|
91 | a7c43f26 | Christos Stathis | |
92 | a7c43f26 | Christos Stathis | public TagTreeViewModel(Pithos _app, SingleSelectionModel<Tag> selectionModel) { |
93 | a7c43f26 | Christos Stathis | app = _app; |
94 | a6592a15 | Christos Stathis | this.selectionModel = selectionModel;
|
95 | a6592a15 | Christos Stathis | } |
96 | a6592a15 | Christos Stathis | |
97 | a6592a15 | Christos Stathis | @Override
|
98 | a6592a15 | Christos Stathis | public <T> NodeInfo<?> getNodeInfo(T value) {
|
99 | a6592a15 | Christos Stathis | if (value == null) { |
100 | a6592a15 | Christos Stathis | return new DefaultNodeInfo<String>(rootDataProvider, new TextCell(new SafeHtmlRenderer<String>() { |
101 | a6592a15 | Christos Stathis | @Override
|
102 | a6592a15 | Christos Stathis | public SafeHtml render(String object) { |
103 | a6592a15 | Christos Stathis | SafeHtmlBuilder builder = new SafeHtmlBuilder();
|
104 | 0d1e8310 | Christos Stathis | render(object, builder); |
105 | a6592a15 | Christos Stathis | return builder.toSafeHtml();
|
106 | a6592a15 | Christos Stathis | } |
107 | a6592a15 | Christos Stathis | |
108 | a6592a15 | Christos Stathis | @Override
|
109 | a6592a15 | Christos Stathis | public void render(String object, SafeHtmlBuilder builder) { |
110 | a6592a15 | Christos Stathis | String html = AbstractImagePrototype.create(TagTreeView.images.tag()).getHTML();
|
111 | a6592a15 | Christos Stathis | builder.appendHtmlConstant(html); |
112 | a6592a15 | Christos Stathis | builder.append(Templates.INSTANCE.nameSpan(object));
|
113 | a6592a15 | Christos Stathis | } |
114 | a845b044 | Christos Stathis | }), null, null); |
115 | a6592a15 | Christos Stathis | } |
116 | a6592a15 | Christos Stathis | else if (value instanceof String) { |
117 | a6592a15 | Christos Stathis | return new DefaultNodeInfo<Tag>(tagDataProvider, tagCell, selectionModel, null); |
118 | a6592a15 | Christos Stathis | } |
119 | a6592a15 | Christos Stathis | else
|
120 | a6592a15 | Christos Stathis | return null; |
121 | a6592a15 | Christos Stathis | } |
122 | a6592a15 | Christos Stathis | |
123 | a6592a15 | Christos Stathis | @Override
|
124 | a6592a15 | Christos Stathis | public boolean isLeaf(Object o) { |
125 | a6592a15 | Christos Stathis | if (o == null) |
126 | a6592a15 | Christos Stathis | return false; |
127 | a6592a15 | Christos Stathis | if (o instanceof String) |
128 | 0d1e8310 | Christos Stathis | return tagDataProvider.getList().isEmpty();
|
129 | 7811b9d1 | Christos Stathis | return true; |
130 | a6592a15 | Christos Stathis | } |
131 | a6592a15 | Christos Stathis | |
132 | a6592a15 | Christos Stathis | public Tag getSelection() {
|
133 | a6592a15 | Christos Stathis | return selectionModel.getSelectedObject();
|
134 | a6592a15 | Christos Stathis | } |
135 | a6592a15 | Christos Stathis | |
136 | a6592a15 | Christos Stathis | public void updateTag(Tag tag) { |
137 | a845b044 | Christos Stathis | fetchTag(tag); |
138 | a6592a15 | Christos Stathis | } |
139 | a6592a15 | Christos Stathis | |
140 | a845b044 | Christos Stathis | public void fetchTag(Tag t) { |
141 | a845b044 | Christos Stathis | AccountResource account = app.getAccount(); |
142 | a845b044 | Christos Stathis | Iterator<Folder> iter = account.getContainers().iterator();
|
143 | a845b044 | Christos Stathis | fetchTag(iter, t, new LinkedHashSet<File>()); |
144 | a845b044 | Christos Stathis | } |
145 | a845b044 | Christos Stathis | |
146 | 7811b9d1 | Christos Stathis | protected void fetchTag(final Iterator<Folder> iter, final Tag t, final Set<File> files) { |
147 | a845b044 | Christos Stathis | if (iter.hasNext()) {
|
148 | a845b044 | Christos Stathis | Folder f = iter.next(); |
149 | b51c628b | Christos Stathis | String path = f.getUri() + "?format=json&meta=" + t.getName(); |
150 | b51c628b | Christos Stathis | GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, app.getApiPath(), app.getUsername(), path) {
|
151 | a845b044 | Christos Stathis | @Override
|
152 | 7811b9d1 | Christos Stathis | public void onSuccess(Folder _result) { |
153 | 7811b9d1 | Christos Stathis | files.addAll(_result.getFiles()); |
154 | a845b044 | Christos Stathis | fetchTag(iter, t, files); |
155 | a845b044 | Christos Stathis | } |
156 | a845b044 | Christos Stathis | |
157 | a845b044 | Christos Stathis | @Override
|
158 | 7811b9d1 | Christos Stathis | public void onError(Throwable th) { |
159 | 7811b9d1 | Christos Stathis | GWT.log("Error getting folder", th);
|
160 | 3f8622d4 | Christos Stathis | app.setError(th); |
161 | 7811b9d1 | Christos Stathis | if (th instanceof RestException) |
162 | 7811b9d1 | Christos Stathis | app.displayError("Error getting folder: " + ((RestException) th).getHttpStatusText());
|
163 | a845b044 | Christos Stathis | else
|
164 | 7811b9d1 | Christos Stathis | app.displayError("System error fetching folder: " + th.getMessage());
|
165 | a845b044 | Christos Stathis | } |
166 | 9539e23d | Christos Stathis | |
167 | 9539e23d | Christos Stathis | @Override
|
168 | 9539e23d | Christos Stathis | protected void onUnauthorized(Response response) { |
169 | 9539e23d | Christos Stathis | app.sessionExpired(); |
170 | 9539e23d | Christos Stathis | } |
171 | a845b044 | Christos Stathis | }; |
172 | a845b044 | Christos Stathis | getFolder.setHeader("X-Auth-Token", app.getToken());
|
173 | a845b044 | Christos Stathis | Scheduler.get().scheduleDeferred(getFolder); |
174 | a845b044 | Christos Stathis | } |
175 | a845b044 | Christos Stathis | else {
|
176 | a845b044 | Christos Stathis | app.showFiles(files); |
177 | a845b044 | Christos Stathis | } |
178 | a845b044 | Christos Stathis | } |
179 | 0d1e8310 | Christos Stathis | |
180 | ef5b664d | Christos Stathis | public void initialize(List<Tag> allTags) { |
181 | ef5b664d | Christos Stathis | tagDataProvider.getList().addAll(allTags); |
182 | 0d1e8310 | Christos Stathis | rootDataProvider.getList().add("Tags");
|
183 | 0d1e8310 | Christos Stathis | } |
184 | a6592a15 | Christos Stathis | } |