root / web_client / src / gr / grnet / pithos / web / client / foldertree / FolderTreeView.java @ 1ac430a1
History | View | Annotate | Download (3.5 kB)
1 |
/*
|
---|---|
2 |
* Copyright (c) 2011 Greek Research and Technology Network
|
3 |
*/
|
4 |
|
5 |
package gr.grnet.pithos.web.client.foldertree; |
6 |
|
7 |
import com.google.gwt.cell.client.AbstractCell; |
8 |
import com.google.gwt.core.client.GWT; |
9 |
import com.google.gwt.resources.client.ClientBundle; |
10 |
import com.google.gwt.resources.client.ImageResource; |
11 |
import com.google.gwt.resources.client.ImageResource.ImageOptions; |
12 |
import com.google.gwt.safehtml.client.SafeHtmlTemplates; |
13 |
import com.google.gwt.safehtml.shared.SafeHtml; |
14 |
import com.google.gwt.safehtml.shared.SafeHtmlBuilder; |
15 |
import com.google.gwt.user.cellview.client.CellTree; |
16 |
import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy; |
17 |
import com.google.gwt.user.client.Event; |
18 |
import com.google.gwt.user.client.ui.AbstractImagePrototype; |
19 |
import com.google.gwt.user.client.ui.Composite; |
20 |
import com.google.gwt.user.client.ui.Tree; |
21 |
import com.google.gwt.view.client.SelectionChangeEvent; |
22 |
import com.google.gwt.view.client.SelectionChangeEvent.Handler; |
23 |
import com.google.gwt.view.client.SingleSelectionModel; |
24 |
import com.google.gwt.view.client.TreeViewModel.NodeInfo; |
25 |
import gr.grnet.pithos.web.client.FolderContextMenu; |
26 |
import gr.grnet.pithos.web.client.GSS; |
27 |
import gwtquery.plugins.droppable.client.gwt.DragAndDropCellTree; |
28 |
import java.util.Iterator; |
29 |
|
30 |
public class FolderTreeView extends Composite { |
31 |
|
32 |
static interface BasicResources extends CellTree.Resources { |
33 |
|
34 |
@ImageOptions(flipRtl = true) |
35 |
@Source("cellTreeClosedItem.gif") |
36 |
ImageResource cellTreeClosedItem(); |
37 |
|
38 |
@ImageOptions(flipRtl = true) |
39 |
@Source("cellTreeLoadingBasic.gif") |
40 |
ImageResource cellTreeLoading(); |
41 |
|
42 |
@ImageOptions(flipRtl = true) |
43 |
@Source("cellTreeOpenItem.gif") |
44 |
ImageResource cellTreeOpenItem(); |
45 |
|
46 |
@Source({"GssCellTreeBasic.css"}) |
47 |
CellTree.Style cellTreeStyle(); |
48 |
} |
49 |
|
50 |
static interface Images extends ClientBundle,Tree.Resources, FolderContextMenu.Images { |
51 |
|
52 |
@Source("gr/grnet/pithos/resources/folder_home.png") |
53 |
ImageResource home(); |
54 |
|
55 |
@Source("gr/grnet/pithos/resources/folder_yellow.png") |
56 |
ImageResource folderYellow(); |
57 |
} |
58 |
|
59 |
private static Images images = GWT.create(Images.class); |
60 |
|
61 |
static interface Templates extends SafeHtmlTemplates { |
62 |
Templates INSTANCE = GWT.create(Templates.class); |
63 |
|
64 |
@Template("<span>{0}</span>") |
65 |
public SafeHtml nameSpan(String name); |
66 |
} |
67 |
|
68 |
static class FolderCell extends AbstractCell<Folder> { |
69 |
|
70 |
@Override
|
71 |
public void render(Context context, Folder folder, SafeHtmlBuilder safeHtmlBuilder) { |
72 |
String html = AbstractImagePrototype.create(images.folderYellow()).getHTML();
|
73 |
safeHtmlBuilder.appendHtmlConstant(html); |
74 |
safeHtmlBuilder.append(Templates.INSTANCE.nameSpan(folder.getName()));
|
75 |
} |
76 |
} |
77 |
|
78 |
|
79 |
private FolderTreeViewModel model;
|
80 |
|
81 |
public FolderTreeView(FolderTreeViewModel viewModel) {
|
82 |
this.model = viewModel;
|
83 |
/*
|
84 |
* Create the tree using the model. We use <code>null</code> as the default
|
85 |
* value of the root node. The default value will be passed to
|
86 |
* CustomTreeModel#getNodeInfo();
|
87 |
*/
|
88 |
CellTree.Resources res = GWT.create(BasicResources.class); |
89 |
DragAndDropCellTree tree = new DragAndDropCellTree(model,null, res); |
90 |
|
91 |
tree.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.ENABLED); |
92 |
|
93 |
sinkEvents(Event.ONCONTEXTMENU);
|
94 |
sinkEvents(Event.ONMOUSEUP);
|
95 |
initWidget(tree); |
96 |
} |
97 |
} |