Synnefo » Pithos

import gr.grnet.pithos.web.client.rest.GetCommand;

import com.google.gwt.event.logical.shared.ValueChangeEvent;

import com.google.gwt.event.logical.shared.ValueChangeHandler;

import com.google.gwt.user.client.ui.DockPanel;

import com.google.gwt.user.client.ui.HasVerticalAlignment;

	private GlassPanel glassPanel = new GlassPanel();

	/**

	public interface Images extends ClientBundle, TopPanel.Images, StatusPanel.Images, FileMenu.Images, EditMenu.Images, SettingsMenu.Images, GroupMenu.Images, FilePropertiesDialog.Images, MessagePanel.Images, FileList.Images, SearchResults.Images, Search.Images, Groups.Images, CellTreeView.Images {

	 * The group list widget.

	 */

	private Groups groups = new Groups(images);

	/**

	 * The search result widget.

	 */

	private SearchResults searchResults;

	/**

				else if(isUserListVisible()){

					getGroups().setCurrent(null);

					getGroups().showPopup(event.getClientX(),event.getClientY());

				}

	/**

	 * The authentication token of the current user.

	 */

	private String token;

		RootPanel.get().add(glassPanel, 0, 0);

		parseUserCredentials();

		topPanel = new TopPanel(GSS.images);

		topPanel.setWidth("100%");

		messagePanel.setWidth("100%");

		messagePanel.setVisible(false);

		fileList = new FileList(images);

		searchResults = new SearchResults(images);

		// Inner contains the various lists.

		inner.sinkEvents(Event.ONCONTEXTMENU);

		inner.setAnimationEnabled(true);

		inner.getTabBar().addStyleName("pithos-MainTabBar");

		inner.getDeckPanel().addStyleName("pithos-MainTabPanelBottom");

		inner.add(fileList, createHeaderHTML(AbstractImagePrototype.create(images.folders()), "Files"), true);

		inner.add(groups, createHeaderHTML(AbstractImagePrototype.create(images.groups()), "Groups"), true);

		inner.add(searchResults, createHeaderHTML(AbstractImagePrototype.create(images.search()), "Search Results"), true);

		//inner.add(new CellTreeView(images), createHeaderHTML(AbstractImagePrototype.create(images.search()), "Cell tree sample"), true);

		inner.setWidth("100%");

		inner.selectTab(0);

		inner.addSelectionHandler(new SelectionHandler<Integer>() {

			@Override

			public void onSelection(SelectionEvent<Integer> event) {

				int tabIndex = event.getSelectedItem();

//				TreeItem treeItem = GSS.get().getFolders().getCurrent();

				switch (tabIndex) {

					case 0:

//						Files tab selected

						//fileList.clearSelectedRows();

						fileList.updateCurrentlyShowingStats();

						break;

					case 1:

//						Groups tab selected

						groups.updateCurrentlyShowingStats();

		        		updateHistory("Groups");

						break;

					case 2:

//						Search tab selected

						searchResults.clearSelectedRows();

						searchResults.updateCurrentlyShowingStats();

		        		updateHistory("Search");

						break;

				}

			}

		});

//		If the application starts with no history token, redirect to a new "Files" state

		String initToken = History.getToken();

		if(initToken.length() == 0)

			History.newItem("Files");

//		   Add history listener to handle any history events

		History.addValueChangeHandler(new ValueChangeHandler<String>() {

			@Override

			public void onValueChange(ValueChangeEvent<String> event) {

				String tokenInput = event.getValue();

				String historyToken = handleSpecialFolderNames(tokenInput);

				try {

					if(historyToken.equals("Search"))

						inner.selectTab(2);

					else if(historyToken.equals("Groups"))

						inner.selectTab(1);

					else if(historyToken.equals("Files")|| historyToken.length()==0)

						inner.selectTab(0);

					else {

						/*TODO: CELLTREE

						PopupTree popupTree = GSS.get().getFolders().getPopupTree();

						TreeItem treeObj = GSS.get().getFolders().getPopupTree().getTreeItem(historyToken);

						SelectionEvent.fire(popupTree, treeObj);

						*/

					}

				} catch (IndexOutOfBoundsException e) {

					inner.selectTab(0);

				}

			}

		});

		// Add the left and right panels to the split panel.

		splitPanel.setLeftWidget(treeView);

		splitPanel.setRightWidget(inner);

		splitPanel.setSplitPosition("25%");

		splitPanel.setSize("100%", "100%");

		splitPanel.addStyleName("pithos-splitPanel");

		// Create a dock panel that will contain the menu bar at the top,

		// the shortcuts to the left, the status bar at the bottom and the

		// right panel taking the rest.

		VerticalPanel outer = new VerticalPanel();

		outer.add(topPanel);

		outer.add(messagePanel);

		outer.add(splitPanel);

		outer.add(statusPanel);

		outer.setWidth("100%");

		outer.setCellHorizontalAlignment(messagePanel, HasHorizontalAlignment.ALIGN_CENTER);

		outer.setSpacing(4);

		// Hook the window resize event, so that we can adjust the UI.

		Window.addResizeHandler(this);

		// Clear out the window's built-in margin, because we want to take

		// advantage of the entire client area.

		Window.setMargin("0px");

		// Finally, add the outer panel to the RootPanel, so that it will be

		// displayed.

		RootPanel.get().add(outer);

		// Call the window resized handler to get the initial sizes setup. Doing

		// this in a deferred command causes it to occur after all widgets'

		// sizes have been computed by the browser.

		DeferredCommand.addCommand(new Command() {

			@Override

			public void execute() {

				onWindowResized(Window.getClientHeight());

			}

		});

	}

	/**

	 * Fetches the User object for the specified username.

	 *

	 * @param username the username of the user

	 */

	private void fetchUser(final String username) {

		String path = getApiPath() + username + "/";

		GetCommand<UserResource> getUserCommand = new GetCommand<UserResource>(UserResource.class, username, path, null) {

			@Override

			public void onComplete() {

				currentUserResource = getResult();

			}

			@Override

			public void onError(Throwable t) {

				GWT.log("Fetching user error", t);

				if (t instanceof RestException)

					GSS.get().displayError("No user found:" + ((RestException) t).getHttpStatusText());

				else

					GSS.get().displayError("System error fetching user data:" + t.getMessage());

				authenticateUser();

			}

		};

		DeferredCommand.addCommand(getUserCommand);

	}

	private void parseUserCredentials() {

//		Configuration conf = (Configuration) GWT.create(Configuration.class);

//		String cookie = conf.authCookie();

//		String auth = Cookies.getCookie(cookie);

//		if (auth == null) {

//			authenticateUser();

//			// Redundant, but silences warnings about possible auth NPE, below.

//			return;

//		}

//		int sepIndex = auth.indexOf(conf.cookieSeparator());

//		if (sepIndex == -1)

//			authenticateUser();

//		token = auth.substring(sepIndex + 1);

//		final String username = auth.substring(0, sepIndex);

//		if (username == null)

//			authenticateUser();

//

//		refreshWebDAVPassword();

        final String username = "test";

		DeferredCommand.addCommand(new Command() {

			@Override

			public void execute() {

				fetchUser(username);

			}

		});

	/**

//		Configuration conf = (Configuration) GWT.create(Configuration.class);

        //IMPORTANT: Temporary circumvention of the Shiboleth login process for development and testing

        //Some time in the future the comment line will be restored

//        Cookies.setCookie(conf.authCookie(), "chstath@ebs.gr" + conf.cookieSeparator() + "triapoulakiakathontan");

//        Window.Location.assign(GWT.getModuleBaseURL());

		/*if(isFileListShowing()){

			getFileList().setHeight("" + (newHeight-50));

		}*/

			}

	 * Make the search results visible.

	 *

	 * @param query the search query string

	 */

	public void showSearchResults(String query) {

		searchResults.updateFileCache(query);

		searchResults.updateCurrentlyShowingStats();

		inner.selectTab(2);

	}

	/**

	 * Retrieve the groups.

	 *

	 * @return the groups

	 */

	public Groups getGroups() {

		return groups;

	}

	/**

	public SearchResults getSearchResults() {

		return searchResults;

	}

	public void removeGlassPanel() {

		glassPanel.removeFromParent();

	}

		return GWT.getModuleBaseURL() + conf.apiPath();