Revision 1ac430a1 web_client/src/gr/grnet/pithos/web/client/foldertree/FolderTreeViewModel.java
| b/web_client/src/gr/grnet/pithos/web/client/foldertree/FolderTreeViewModel.java | ||
|---|---|---|
| 12 | 12 |
import com.google.gwt.safehtml.shared.SafeHtmlBuilder; |
| 13 | 13 |
import com.google.gwt.user.client.ui.AbstractImagePrototype; |
| 14 | 14 |
import com.google.gwt.view.client.ListDataProvider; |
| 15 |
import com.google.gwt.view.client.SelectionChangeEvent; |
|
| 16 |
import com.google.gwt.view.client.SelectionChangeEvent.Handler; |
|
| 15 | 17 |
import com.google.gwt.view.client.SingleSelectionModel; |
| 16 | 18 |
import com.google.gwt.view.client.TreeViewModel; |
| 17 | 19 |
import gr.grnet.pithos.web.client.GSS; |
| ... | ... | |
| 26 | 28 |
|
| 27 | 29 |
public class FolderTreeViewModel implements TreeViewModel {
|
| 28 | 30 |
|
| 29 |
private SingleSelectionModel<Folder> selectionModel; |
|
| 31 |
private SingleSelectionModel<Folder> selectionModel = new SingleSelectionModel<Folder>();
|
|
| 30 | 32 |
|
| 31 |
public FolderTreeViewModel(SingleSelectionModel<Folder> selectionModel) {
|
|
| 32 |
this.selectionModel = selectionModel; |
|
| 33 |
private ListDataProvider<Folder> rootDataProvider = new ListDataProvider<Folder>(); |
|
| 34 |
|
|
| 35 |
public FolderTreeViewModel() {
|
|
| 36 |
Handler selectionHandler = new SelectionChangeEvent.Handler() {
|
|
| 37 |
@Override |
|
| 38 |
public void onSelectionChange(SelectionChangeEvent event) {
|
|
| 39 |
NodeInfo<Folder> nodeInfo = (NodeInfo<Folder>) getNodeInfo(selectionModel.getSelectedObject()); |
|
| 40 |
if(nodeInfo == null || nodeInfo.getValueUpdater() == null) {
|
|
| 41 |
//GSS.get().showFileList(selectionModel.getSelectedObject()); |
|
| 42 |
} |
|
| 43 |
else |
|
| 44 |
nodeInfo.getValueUpdater().update(selectionModel.getSelectedObject()); |
|
| 45 |
GSS.get().setCurrentSelection(selectionModel.getSelectedObject()); |
|
| 46 |
} |
|
| 47 |
}; |
|
| 48 |
selectionModel.addSelectionChangeHandler(selectionHandler); |
|
| 33 | 49 |
} |
| 34 |
|
|
| 50 |
|
|
| 35 | 51 |
@Override |
| 36 | 52 |
public <T> NodeInfo<?> getNodeInfo(T value) {
|
| 37 | 53 |
if (value == null) {
|
| 38 |
final ListDataProvider<Folder> dataProvider = new ListDataProvider<Folder>(); |
|
| 39 | 54 |
Folder f = new Folder("Loading ...");
|
| 40 |
dataProvider.getList().add(f); |
|
| 41 |
Scheduler.get().scheduleDeferred(new ScheduledCommand() {
|
|
| 42 |
@Override |
|
| 43 |
public void execute() {
|
|
| 44 |
fetchAccount(dataProvider); |
|
| 45 |
} |
|
| 46 |
}); |
|
| 47 |
return new DragAndDropNodeInfo<Folder>(dataProvider, new FolderCell(), selectionModel, null); |
|
| 55 |
rootDataProvider.getList().add(f); |
|
| 56 |
return new DragAndDropNodeInfo<Folder>(rootDataProvider, new FolderCell(), selectionModel, null); |
|
| 48 | 57 |
} |
| 49 | 58 |
else {
|
| 50 | 59 |
final Folder f = (Folder) value; |
| 51 | 60 |
final ListDataProvider<Folder> dataProvider = new ListDataProvider<Folder>(); |
| 52 |
dataProvider.getList().addAll(f.getSubfolders());
|
|
| 61 |
dataProvider.flush();
|
|
| 53 | 62 |
Scheduler.get().scheduleDeferred(new ScheduledCommand() {
|
| 54 | 63 |
@Override |
| 55 | 64 |
public void execute() {
|
| 56 | 65 |
final GSS app = GSS.get(); |
| 57 |
String container = f.getContainer() == null ? f.getName() : f.getContainer(); |
|
| 58 |
String prefix = f.getContainer() == null ? "" : f.getPrefix(); |
|
| 59 |
String path = app.getApiPath() + app.getUsername() + "/" + container + "?format=json&delimiter=/&prefix=" + prefix; |
|
| 66 |
String path = app.getApiPath() + app.getUsername() + "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + f.getPrefix(); |
|
| 60 | 67 |
GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, path, f) {
|
| 61 | 68 |
@Override |
| 62 | 69 |
public void onSuccess(Folder result) {
|
| ... | ... | |
| 89 | 96 |
return false; |
| 90 | 97 |
} |
| 91 | 98 |
|
| 92 |
public void fetchAccount(final ListDataProvider<Folder> dataProvider) {
|
|
| 93 |
final GSS app = GSS.get(); |
|
| 94 |
String path = app.getApiPath() + app.getUsername() + "?format=json"; |
|
| 95 |
|
|
| 96 |
GetRequest<AccountResource> getAccount = new GetRequest<AccountResource>(AccountResource.class, path) {
|
|
| 97 |
@Override |
|
| 98 |
public void onSuccess(AccountResource result) {
|
|
| 99 |
app.setAccount(result); |
|
| 100 |
Iterator<Folder> iter = result.getContainers().iterator(); |
|
| 101 |
fetchFolder(iter, dataProvider, result.getContainers()); |
|
| 102 |
} |
|
| 103 |
|
|
| 104 |
@Override |
|
| 105 |
public void onError(Throwable t) {
|
|
| 106 |
GWT.log("Error getting account", t);
|
|
| 107 |
if (t instanceof RestException) |
|
| 108 |
GSS.get().displayError("Error getting account: " + ((RestException) t).getHttpStatusText());
|
|
| 109 |
else |
|
| 110 |
GSS.get().displayError("System error fetching user data: " + t.getMessage());
|
|
| 111 |
} |
|
| 112 |
}; |
|
| 113 |
|
|
| 114 |
Scheduler.get().scheduleDeferred(getAccount); |
|
| 115 |
} |
|
| 116 |
|
|
| 117 | 99 |
private void fetchFolder(final Iterator<Folder> iter, final ListDataProvider<Folder> dataProvider, final Set<Folder> folders) {
|
| 118 | 100 |
if (iter.hasNext()) {
|
| 119 | 101 |
final Folder f = iter.next(); |
| 120 | 102 |
|
| 121 | 103 |
GSS app = GSS.get(); |
| 122 |
String container = f.getContainer() == null ? f.getName() : f.getContainer(); |
|
| 123 |
String prefix = f.getContainer() == null ? "" : f.getPrefix(); |
|
| 124 |
String path = app.getApiPath() + app.getUsername() + "/" + container + "?format=json&delimiter=/&prefix=" + prefix; |
|
| 104 |
String path = app.getApiPath() + app.getUsername() + "/" + f.getContainer() + "?format=json&delimiter=/&prefix=" + f.getPrefix(); |
|
| 125 | 105 |
GetRequest<Folder> getFolder = new GetRequest<Folder>(Folder.class, path, f) {
|
| 126 | 106 |
@Override |
| 127 | 107 |
public void onSuccess(Folder result) {
|
| ... | ... | |
| 144 | 124 |
dataProvider.getList().addAll(folders); |
| 145 | 125 |
} |
| 146 | 126 |
} |
| 127 |
|
|
| 128 |
public void initialize(AccountResource account) {
|
|
| 129 |
Iterator<Folder> iter = account.getContainers().iterator(); |
|
| 130 |
fetchFolder(iter, rootDataProvider, account.getContainers()); |
|
| 131 |
} |
|
| 147 | 132 |
} |
Also available in: Unified diff