Synnefo » Pithos

	public PropertiesCommand(PopupPanel _containerPanel, final FileMenu.Images _newImages, int _tab) {

		containerPanel.hide();

		if (GSS.get().getCurrentSelection() instanceof RestResourceWrapper) {

			GetCommand<FolderResource> eg = new GetCommand<FolderResource>(FolderResource.class, ((RestResourceWrapper) GSS.get().getCurrentSelection()).getUri(),((RestResourceWrapper) GSS.get().getCurrentSelection()).getResource()) {

				@Override

				public void onComplete() {

					((RestResourceWrapper) GSS.get().getCurrentSelection()).setResource(getResult());

					initialize();

				}

				@Override

				public void onError(Throwable t) {

				}

			};

			DeferredCommand.addCommand(eg);

		}

		else if (GSS.get().getCurrentSelection() instanceof FileResource) {

			final String path = ((FileResource) GSS.get().getCurrentSelection()).getUri();

			// Needed because firefox caches head requests.

			HeadCommand<FileResource> eg = new HeadCommand<FileResource>(FileResource.class, path+"?"+Math.random(), null ) {

				@Override

				public void onComplete() {

					FileResource res = getResult();

					GSS.get().setCurrentSelection(res);

					initialize();

				}

				@Override

				public void onError(Throwable t) {

					if(t instanceof RestException)

						GSS.get().displayError("Unable to retrieve file details:"+((RestException)t).getHttpStatusText());

				}

			};

			DeferredCommand.addCommand(eg);

		}

		else if (GSS.get().getCurrentSelection() instanceof List) {

			List<String> paths = new ArrayList<String>();

			for (FileResource fr : (List<FileResource>) GSS.get().getCurrentSelection())

				paths.add(fr.getUri()+"?"+Math.random());

			Cached[] cached = new Cached[paths.size()];

			int i=0;

			for (FileResource fr : (List<FileResource>) GSS.get().getCurrentSelection()){

				Cached c = new Cached();

				c.uri=fr.getUri()+"?"+Math.random();

				c.cache=fr;

				cached[i]=c;

				i++;

			}

			MultipleHeadCommand<FileResource> gv = new MultipleHeadCommand<FileResource>(FileResource.class, paths.toArray(new String[] {}),cached) {

				@Override

				public void onComplete() {

					List<FileResource> res = getResult();

					GSS.get().setCurrentSelection(res);

					FilesPropertiesDialog dlg = new FilesPropertiesDialog(res);

					dlg.selectTab(tabToShow);

					dlg.center();

				}

				@Override

				public void onError(Throwable t) {

					GWT.log("", t);

					GSS.get().displayError("Unable to fetch files details");

				}

				@Override

				public void onError(String p, Throwable throwable) {

					GWT.log("Path:" + p, throwable);

				}

			};

			DeferredCommand.addCommand(gv);

		}

	}

	private void initialize(){

		getGroups();

		getVersions();

		getOwnerFullName();

		DeferredCommand.addCommand(new IncrementalCommand() {

			@Override

			public boolean execute() {

				boolean res = canContinue();

				if (res) {

					displayProperties(newImages, GSS.get().findUserFullName(userName));

					return false;

				}

				return true;

			}

		});

	private boolean canContinue() {

		String userFullNameFromMap = GSS.get().findUserFullName(userName);

		if(groups == null || versions == null || userFullNameFromMap == null)

			return false;

		return true;

	}

	/**

	 * Display the appropriate Properties dialog, according to the selected

	 * object in the application.

	 *

	 * @param propImages the images of all the possible properties dialogs

	 */

	void displayProperties(final Images propImages, final String _userName) {

		if (GSS.get().getCurrentSelection() instanceof RestResourceWrapper) {

//			FolderPropertiesDialog dlg = new FolderPropertiesDialog(propImages, false, groups);

//			dlg.selectTab(tabToShow);

//			dlg.center();

		} else if (GSS.get().getCurrentSelection() instanceof FileResource) {

			FilePropertiesDialog dlg = new FilePropertiesDialog(propImages, groups, versions, _userName);

			dlg.selectTab(tabToShow);

			dlg.center();

		}

	}

	private void getGroups() {

		GetCommand<GroupsResource> gg = new GetCommand<GroupsResource>(GroupsResource.class, GSS.get().getCurrentUserResource().getGroupsPath(), null) {

			@Override

			public void onComplete() {

				GroupsResource res = getResult();

				MultipleGetCommand<GroupResource> ga = new MultipleGetCommand<GroupResource>(GroupResource.class, res.getGroupPaths().toArray(new String[] {}), null) {

					@Override

					public void onComplete() {

						List<GroupResource> groupList = getResult();

						groups = groupList;

					}

					@Override

					public void onError(Throwable t) {

						GWT.log("", t);

						GSS.get().displayError("Unable to fetch groups");

						groups = new ArrayList<GroupResource>();

					}

					@Override

					public void onError(String p, Throwable throwable) {

						GWT.log("Path:" + p, throwable);

					}

				};

				DeferredCommand.addCommand(ga);

			}

			@Override

			public void onError(Throwable t) {

				GWT.log("", t);

				GSS.get().displayError("Unable to fetch groups");

				groups = new ArrayList<GroupResource>();

			}

		};

		DeferredCommand.addCommand(gg);

	}

	private void getVersions() {

		if (GSS.get().getCurrentSelection() instanceof FileResource) {

			FileResource afile = (FileResource) GSS.get().getCurrentSelection();

			GWT.log("File is versioned:" + afile.isVersioned(), null);

			if (afile.isVersioned()) {

				List<String> paths = new ArrayList<String>();

				for (int i = 1; i <= afile.getVersion(); i++)

					paths.add(afile.getUri() + "?version=" + i);

				MultipleHeadCommand<FileResource> gv = new MultipleHeadCommand<FileResource>(FileResource.class, paths.toArray(new String[] {}), null) {

					@Override

					public void onComplete() {

						versions = getResult();

					}

					@Override

					public void onError(Throwable t) {

						GWT.log("", t);

						GSS.get().displayError("Unable to fetch versions");

						versions = new ArrayList<FileResource>();

					}

					@Override

					public void onError(String p, Throwable throwable) {

						GWT.log("Path:" + p, throwable);

					}

				};

				DeferredCommand.addCommand(gv);

			} else

				versions = new ArrayList<FileResource>();

		} else

			versions = new ArrayList<FileResource>();

	}

	private void getOwnerFullName() {

		if(GSS.get().getCurrentSelection() instanceof FileResource){			

			FileResource fileResource = (FileResource) GSS.get().getCurrentSelection();

			userName = fileResource.getOwner();

			if(GSS.get().findUserFullName(userName) == null){

				GetUserCommand gu = new GetUserCommand(userName);

				gu.execute();

			}

		}else{			

			FolderResource resource = ((RestResourceWrapper) GSS.get().getCurrentSelection()).getResource();

			userName = resource.getOwner();

			if(GSS.get().findUserFullName(userName) == null){

				GetUserCommand gu = new GetUserCommand(userName);

				gu.execute();

			}

		}

	}