com.google.gwt.event.logical.shared.SelectionHandler Java Examples

public BaseTree() {
	super(new TreeImageResources(), true);

	this.addStyleName("bda-treedir");

	this.addSelectionHandler(new SelectionHandler<TreeItem>() {
		@Override
		public void onSelection(SelectionEvent<TreeItem> event) {
			TreeItem item = event.getSelectedItem();
			Boolean state = item.getState();
			// [GWT Issue 3660] to avoid pass invoke onSection two times
			TreeItem parent = item.getParentItem();
			item.getTree().setSelectedItem(parent, false);
			if (parent != null)
				parent.setSelected(false);
			item.setState(!state);
		}
	});
}
 

void initContentOracle() {
  contentOracle = new MultiWordSuggestOracle();

  contentSuggestBox = new SuggestBox(contentOracle);
  contentSuggestBox.getElement().setId("content-box");

  // Some initial content xml strings
  contentOracle.add("");
  contentOracle.add("abcd");

  contentSuggestBox.addSelectionHandler(new SelectionHandler<SuggestOracle.Suggestion>() {
    @Override public void onSelection(SelectionEvent<SuggestOracle.Suggestion> event) {
      setFromContentBox();
    }
  });

  String[] extra = extendSampleContent();
  if (extra != null) {
    for (String content : extra) {
      contentOracle.add(content);
    }
  }
}
 

void initContentOracle() {
  contentOracle = new MultiWordSuggestOracle();

  contentSuggestBox = new SuggestBox(contentOracle);
  contentSuggestBox.getElement().setId("content-box");

  // Some initial content xml strings
  contentOracle.add("");
  contentOracle.add("abcd");

  contentSuggestBox.addSelectionHandler(new SelectionHandler<SuggestOracle.Suggestion>() {
    @Override public void onSelection(SelectionEvent<SuggestOracle.Suggestion> event) {
      setFromContentBox();
    }
  });

  String[] extra = extendSampleContent();
  if (extra != null) {
    for (String content : extra) {
      contentOracle.add(content);
    }
  }
}
 

protected void checkSelectionHandler(MaterialPopupMenu popupMenu) {
    final boolean[] isSelectionFired = {false};
    popupMenu.setEnabled(true);
    popupMenu.addSelectionHandler(selectionEvent -> isSelectionFired[0] = true);
    popupMenu.fireEvent(new GwtEvent<SelectionHandler<?>>() {
        @Override
        public Type<SelectionHandler<?>> getAssociatedType() {
            return SelectionEvent.getType();
        }

        @Override
        protected void dispatch(SelectionHandler<?> eventHandler) {
            eventHandler.onSelection(null);
        }
    });
    assertTrue(isSelectionFired[0]);
}
 

private SelectionHandler<Widget> getTabPanelSelectionHandler() {
	return new SelectionHandler<Widget>() {

		@Override
		public void onSelection(SelectionEvent<Widget> event) {
			if (UIMessages.INSTANCE.empty().equals(getActiveTab())) {
				dataFormatField.setVisible(false);
			} else {
				dataFormatField.setVisible(true);
			}
			if (UIMessages.INSTANCE.wfs().equals(getActiveTab())) {
				vectorFormatCombo.setValue(VectorFormat.GML_FORMAT);
			} else {
				vectorFormatCombo.setValue(null);
			}
			
			if (UIMessages.INSTANCE.gitHubResponseTitle().equals(getActiveTab())) {					
				layerName.setEnabled(false);
			} else {
				layerName.setEnabled(true);
			}
		}
	};
}
 

private ComboBox<VectorLayerInfo> initLayerCombo1() {
					
	VectorLayerProperties properties = GWT
			.create(VectorLayerProperties.class);

	layerStore1 = new ListStore<VectorLayerInfo>(properties.key());

	layerCombo1 = new ComboBox<VectorLayerInfo>(layerStore1,
			properties.name());
	layerCombo1.setEmptyText((UIMessages.INSTANCE.sbLayerComboEmptyText()));
	layerCombo1.setTypeAhead(true);
	layerCombo1.setTriggerAction(TriggerAction.ALL);
	layerCombo1.setForceSelection(true);
	layerCombo1.setEditable(false);
	layerCombo1.enableEvents();
	layerCombo1.setWidth(width);

	layerCombo1.addSelectionHandler(new SelectionHandler<VectorLayerInfo>() {
		@Override
		public void onSelection(SelectionEvent<VectorLayerInfo> event) {
			layerCombo1.setValue(event.getSelectedItem(), true);
		}
	});

	return layerCombo1;
}
 

public void testSelectionEvent() {
    MaterialNavSection widget = new MaterialNavSection();

    final boolean[] isSelectionEventFired = {false};
    widget.addSelectionHandler(selectionEvent -> isSelectionEventFired[0] = true);
    widget.fireEvent(new GwtEvent<SelectionHandler<?>>() {
        @Override
        public Type<SelectionHandler<?>> getAssociatedType() {
            return SelectionEvent.getType();
        }

        @Override
        protected void dispatch(SelectionHandler eventHandler) {
            eventHandler.onSelection(null);
        }
    });

    assertTrue(isSelectionEventFired[0]);
}
 

/**
 * Folder Tree
 */
public FolderSelectTree() {
	tree = new Tree();
	rootItem.setHTML(Util.imageItemHTML("img/menuitem_childs.gif", "root_schema", "top"));
	rootItem.setStyleName("okm-TreeItem");
	rootItem.setUserObject(new GWTFolder());
	rootItem.setSelected(true);
	rootItem.setState(true);
	tree.setStyleName("okm-Tree");
	tree.addItem(rootItem);
	tree.addSelectionHandler(new SelectionHandler<TreeItem>() {
		@Override
		public void onSelection(SelectionEvent<TreeItem> event) {
			boolean refresh = true;
			TreeItem item = event.getSelectedItem();

			// Case that not refreshing tree and file browser ( right click )
			if (actualItem.equals(item)) {
				refresh = false;
			} else {
				// Disables actual item because on changing active node by
				// application this it's not changed automatically
				if (!actualItem.equals(item)) {
					actualItem.setSelected(false);
					actualItem = item;
				} else {
					refresh = false;
				}
			}

			if (refresh) {
				refresh(true);
			}
		}
	});
	actualItem = tree.getItem(0);
	initWidget(tree);
}
 

private Tree initNavigationTree() {
    Tree navTree = new Tree();

    List<GalleryTreeNode> mainNodes = galleryTree.getMainNodes();
    populateNavigationTree(mainNodes, navTree);

    navTree.addSelectionHandler(new SelectionHandler<TreeItem>() {
        public void onSelection(SelectionEvent<TreeItem> event) {
            TreeItem ti = event.getSelectedItem();
            GalleryTreeNode node = (GalleryTreeNode) ti.getUserObject();
            treeItemClicked(ti, node);
        }
    });
    return navTree;
}
 

@Override
public HandlerRegistration addSelectionHandler(final SelectionHandler<MaterialStep> handler) {
    return this.addHandler(new SelectionHandler<MaterialStep>() {
        @Override
        public void onSelection(SelectionEvent<MaterialStep> event) {
            if (isEnabled()) {
                handler.onSelection(event);
            }
        }
    }, SelectionEvent.getType());
}
 

private SelectionHandler<VectorFormat> getVectorComboSelectionHandler() {
	return new SelectionHandler<VectorFormat>() {
		@Override
		public void onSelection(SelectionEvent<VectorFormat> event) {
				epsgCombo.enable();
		}
	};
}
 

private void createSelectionHandler() {
	addSelectionHandler(new SelectionHandler<VectorFormat>() {
		@Override
		public void onSelection(SelectionEvent<VectorFormat> event) {
			setValue(event.getSelectedItem(), true);
		}
	});
}
 

private void createSelectionHandler() {
	addSelectionHandler(new SelectionHandler<Geoprocess>() {
		@Override
		public void onSelection(SelectionEvent<Geoprocess> event) {
			setValue(event.getSelectedItem(), true);
		}
	});
}
 

private void createGeoprocessAndDistanceField(final Geoprocesses spatialOperation) {
	spatialOperationComboBox = new GeoprocessComboBox(
			spatialOperation.getAll());
	spatialOperationComboBox.setWidth(WIDTH_SPATIAL_OPERATION_COMBO);
	clearSpatialOperationComboBox();				
	spatialOperationComboBox
			.addSelectionHandler(new SelectionHandler<Geoprocess>() {
				@Override
				public void onSelection(SelectionEvent<Geoprocess> event) {
					spatialOperationComboBox.setValue(
							event.getSelectedItem(), true);

					if (event.getSelectedItem() instanceof BufferGeoprocess) {
						LAYER_COMBO_2.setValue(null);
						LAYER_COMBO_2.setEnabled(false);
						distanceTextField.setText("0");
						distanceTextField.setEnabled(true);
						distanceTextField.setVisible(true);
					} else {							
						LAYER_COMBO_2.setEnabled(true);
						distanceTextField.setText("");
						distanceTextField.setEnabled(false);
						distanceTextField.setVisible(false);
					}
				}
			});

	initDistanceTextField();
	final HorizontalPanel horizontalGroup = getHorizontalPanel();
	horizontalGroup.add(spatialOperationComboBox);
	horizontalGroup.add(distanceTextField);
	panel.add(horizontalGroup);
}
 

private void createComboLayer(final ComboBox<VectorLayerInfo> combo,
		final String numCombo, final TextButton validateButton) {
	clearLayerComboBox(combo);
	combo.setTypeAhead(true);
	combo.setTriggerAction(TriggerAction.ALL);
	combo.setForceSelection(true);
	combo.setEditable(false);
	combo.enableEvents();
	combo.setWidth(WIDTH_COMBO_LAYER);
	combo.setId(numCombo);

	combo.addSelectionHandler(new SelectionHandler<VectorLayerInfo>() {
		@Override
		public void onSelection(SelectionEvent<VectorLayerInfo> event) {
			combo.setValue(event.getSelectedItem(), true);
			List<VectorLayerInfo> updatedLayers = removeLayer(event
					.getSelectedItem());
			if (COMBO1_ID.equals(combo.getId())) {
				updateCombo(LAYER_COMBO_2, LAYER_STORE_2, updatedLayers);
			} else {
				updateCombo(LAYER_COMBO_1, LAYER_STORE_1, updatedLayers);
			}
		}
	});
	
	validateButton.setToolTip(UIMessages.INSTANCE
			.descriptionValidationToolText());

	final HorizontalPanel horizontalGroup = getHorizontalPanel();
	horizontalGroup.add(combo);
	horizontalGroup.add(validateButton);

	panel.add(new Label(UIMessages.INSTANCE.layerLabelText(numCombo)));
	panel.add(horizontalGroup);
}
 

/**
 * Creates a new Menu.
 */
public Menu( final MenuItem[] menuItems, final Panel pageContainer ) {
	this.menuItems     = menuItems;
	this.pageContainer = pageContainer;
	
	for ( final MenuItem mi : menuItems )
		addTab( mi.getLabel() );
	
	addSelectionHandler( new SelectionHandler< Integer >() {
		@Override
		public void onSelection( final SelectionEvent< Integer > event ) {
			menuItems[ event.getSelectedItem() ].onActivate( Menu.this );
		}
	} );
}
 

/**
 * Folder Tree
 */
public FolderSelectTree() {
	tree = new Tree();
	rootItem.setHTML(Util.imageItemHTML("img/menuitem_childs.gif", "root_schema", "top"));
	rootItem.setStyleName("okm-TreeItem");
	rootItem.setUserObject(new GWTFolder());
	rootItem.setSelected(true);
	rootItem.setState(true);
	tree.setStyleName("okm-Tree");
	tree.addItem(rootItem);
	tree.addSelectionHandler(new SelectionHandler<TreeItem>() {
		@Override
		public void onSelection(SelectionEvent<TreeItem> event) {
			boolean refresh = true;
			TreeItem item = event.getSelectedItem();

			// Case that not refreshing tree and file browser ( right click )
			if (actualItem.equals(item)) {
				refresh = false;
			} else {
				// Disables actual item because on changing active node by
				// application this it's not changed automatically
				if (!actualItem.equals(item)) {
					actualItem.setSelected(false);
					actualItem = item;
				} else {
					refresh = false;
				}
			}

			if (refresh) {
				refresh(true);
			}
		}
	});
	actualItem = tree.getItem(0);
	initWidget(tree);
}
 

@Override
public HandlerRegistration addSelectionHandler(SelectionHandler<RequestedCourse> handler) {
	return addHandler(handler, SelectionEvent.getType());
}
 

public HandlerRegistration addSelectionHandler(SelectionHandler<Integer> handler) {
  return addHandler(handler, SelectionEvent.getType());
}
 

/**
 * Folder Tree
 */
public FolderSelectTree() {
	tree = new Tree();
	rootItem.setHTML(Util.imageItemHTML("img/menuitem_childs.gif", "root_schema", "top"));
	rootItem.setStyleName("okm-TreeItem");
	rootItem.setUserObject(new GWTFolder());
	rootItem.setSelected(true);
	rootItem.setState(true);
	tree.setStyleName("okm-Tree");
	tree.addItem(rootItem);
	tree.addSelectionHandler(new SelectionHandler<TreeItem>() {
		@Override
		public void onSelection(SelectionEvent<TreeItem> event) {
			boolean refresh = true;
			TreeItem item = event.getSelectedItem();

			// Enables or disables move button ( evalues security to move to folder with permissions )
			if (rootItem.equals(item)) {
				Main.get().categoriesPopup.enable(false);
			} else {
				Main.get().categoriesPopup.enable(true);
			}

			// Case that not refreshing tree and file browser ( right click )
			if (actualItem.equals(item)) {
				refresh = false;
			} else {
				// Disables actual item because on changing active node by
				// application this it's not changed automatically
				if (!actualItem.equals(item)) {
					actualItem.setSelected(false);
					actualItem = item;
				} else {
					refresh = false;
				}
			}

			if (refresh) {
				refresh(true);
			}
		}
	});
	actualItem = tree.getItem(0);
	initWidget(tree);
}
 

/**
 * Tab Workspace
 */
public TabWorkspace() {
	widgetExtensionList = new ArrayList<TabWorkspaceExtension>();
	workHandlerExtensionList = new ArrayList<WorkspaceHandlerExtension>();
	tabBar = new TabBar();
	tabBar.addSelectionHandler(new SelectionHandler<Integer>() {
		@Override
		public void onSelection(SelectionEvent<Integer> event) {
			int index = indexCorrectedChangeViewIndex(event.getSelectedItem().intValue());

			switch (index) {
				case UIDockPanelConstants.DESKTOP:
					Main.get().mainPanel.setView(UIDockPanelConstants.DESKTOP);
					if (Main.get().activeFolderTree != null) { // On start up is null
						Main.get().activeFolderTree.centerActulItemOnScroll(); // Center the actual item every time
					}
					break;

				case UIDockPanelConstants.SEARCH:
					Main.get().mainPanel.setView(UIDockPanelConstants.SEARCH);
					break;

				case UIDockPanelConstants.DASHBOARD:
					Main.get().mainPanel.setView(UIDockPanelConstants.DASHBOARD);
					break;

				case UIDockPanelConstants.ADMINISTRATION:
					Main.get().mainPanel.setView(UIDockPanelConstants.ADMINISTRATION);
					break;

				default:
					Main.get().mainPanel.setView(index);
					break;
			}

			fireEvent(HasWorkspaceEvent.STACK_CHANGED);
			tabVisited[index] = true;
		}
	});

	initWidget(tabBar);
}
 

public void setSelectionHandler(SelectionHandler<Integer> handler) {
	iHandler = handler;
}
 

public StudentSchedule(boolean online) {
	iOnline = online;
	
	iTabs = new UniTimeTabPanel();
	iTabs.setDeckStyleName("unitime-TabPanel");
	
	iAdvReqs = new WebTable();
	iAdvReqs.setEmptyMessage(MESSAGES.emptyRequests());
	iAdvReqs.setHeader(new WebTable.Row(
			new WebTable.Cell(MESSAGES.colPriority(), 1, "25px"),
			new WebTable.Cell(MESSAGES.colCourse(), 1, "75px"),
			new WebTable.Cell(MESSAGES.colTitle(), 1, "200px"),
			new WebTable.Cell(MESSAGES.colCredit(), 1, "20px"),
			new WebTable.Cell(MESSAGES.colPreferences(), 1, "100px"),
			new WebTable.Cell(MESSAGES.colCritical(), 1, "20px"),
			new WebTable.Cell(MESSAGES.colNotes(), 1, "300px"),
			new WebTable.Cell(MESSAGES.colChanges(), 1, "100px")));
	iAdvReqs.setSelectSameIdRows(true);
	iAdvReqs.addStyleName("unitime-AdvisorCourseRequestsTable");
	iTabs.add(iAdvReqs, MESSAGES.tabAdvisorRequests(), true);
	Character cha = UniTimeHeaderPanel.guessAccessKey(MESSAGES.tabAdvisorRequests());
	if (cha != null)
		iTabAccessKeys.put(cha, 0);
	
	iRequests = new WebTable();
	iRequests.setEmptyMessage(MESSAGES.emptyRequests());
	iRequests.setHeader(new WebTable.Row(
			new WebTable.Cell(MESSAGES.colPriority(), 1, "25px"),
			new WebTable.Cell(MESSAGES.colCourse(), 1, "75px"),
			new WebTable.Cell(MESSAGES.colTitle(), 1, "200px"),
			new WebTable.Cell(MESSAGES.colCredit(), 1, "20px"),
			new WebTable.Cell(MESSAGES.colPreferences(), 1, "100px"),
			new WebTable.Cell(MESSAGES.colWarnings(), 1, "200px"),
			new WebTable.Cell(MESSAGES.colStatus(), 1, "20px"),
			new WebTable.Cell(MESSAGES.colCritical(), 1, "20px"),
			new WebTable.Cell(MESSAGES.colWaitList(), 1, "20px"),
			new WebTable.Cell(MESSAGES.colRequestTimeStamp(), 1, "50px")));
	iTabs.add(iRequests, MESSAGES.tabRequests(), true);
	Character ch0 = UniTimeHeaderPanel.guessAccessKey(MESSAGES.tabRequests());
	if (ch0 != null)
		iTabAccessKeys.put(ch0, 1);
	
	iAssignments = new WebTable();
	iAssignments.setHeader(new WebTable.Row(
			new WebTable.Cell(MESSAGES.colSubject(), 1, "75px"),
			new WebTable.Cell(MESSAGES.colCourse(), 1, "75px"),
			new WebTable.Cell(MESSAGES.colSubpart(), 1, "50px"),
			new WebTable.Cell(MESSAGES.colClass(), 1, "75px"),
			new WebTable.Cell(MESSAGES.colLimit(), 1, "60px"),
			new WebTable.Cell(MESSAGES.colDays(), 1, "50px"),
			new WebTable.Cell(MESSAGES.colStart(), 1, "75px"),
			new WebTable.Cell(MESSAGES.colEnd(), 1, "75px"),
			new WebTable.Cell(MESSAGES.colDate(), 1, "75px"),
			new WebTable.Cell(MESSAGES.colRoom(), 1, "100px"),
			new WebTable.Cell(MESSAGES.colInstructor(), 1, "100px"),
			new WebTable.Cell(MESSAGES.colParent(), 1, "75px"),
			new WebTable.Cell(MESSAGES.colNoteIcon(), 1, "10px"),
			new WebTable.Cell(MESSAGES.colCredit(), 1, "75px"),
			new WebTable.Cell(MESSAGES.colEnrollmentTimeStamp(), 1, "75px")
		));
	iAssignments.setEmptyMessage(MESSAGES.emptySchedule());
	
	iTabs.add(iAssignments, MESSAGES.tabClasses(), true);
	Character ch1 = UniTimeHeaderPanel.guessAccessKey(MESSAGES.tabClasses());
	if (ch1 != null)
		iTabAccessKeys.put(ch1, 2);
	
	iGrid = new TimeGrid();
	iTabs.add(iGrid, MESSAGES.tabTimetable(), true);
	Character ch2 = UniTimeHeaderPanel.guessAccessKey(MESSAGES.tabTimetable());
	if (ch2 != null)
		iTabAccessKeys.put(ch2, 3);
	
	iTabs.selectTab(SectioningStatusCookie.getInstance().getStudentTab());
	
	iTabs.addSelectionHandler(new SelectionHandler<Integer>() {
		@Override
		public void onSelection(SelectionEvent<Integer> event) {
			SectioningStatusCookie.getInstance().setStudentTab(event.getSelectedItem());
			if (iHandler != null) iHandler.onSelection(event);
		}
	});
	
	iTabs.addStyleName("unitime-StudentSchedule");
	initWidget(iTabs);
}
 

@Override
public HandlerRegistration addSelectionHandler(SelectionHandler<Suggestion> handler) {
	return addHandler(handler, SelectionEvent.getType());
}
 

@Override
public HandlerRegistration addSelectionHandler(SelectionHandler<RequestedCourse> handler) {
	return addHandler(handler, SelectionEvent.getType());
}
 

public HandlerRegistration addSelectionHandler(SelectionHandler<Integer> handler) {
	return super.addSelectionHandler(handler);
}
 

@Override
public HandlerRegistration addSelectionHandler(SelectionHandler<RequestedCourse> handler) {
	return addHandler(handler, SelectionEvent.getType());
}
 

@Override
public HandlerRegistration addSelectionHandler(SelectionHandler<Integer> handler) {
	return addHandler(handler, SelectionEvent.getType());
}
 

@Override
public HandlerRegistration addSelectionHandler(SelectionHandler<RequestedCourse> handler) {
	return addHandler(handler, SelectionEvent.getType());
}
 

@Override
public HandlerRegistration addSelectionHandler(SelectionHandler<MaterialCollectionItem> selectionHandler) {
    return addHandler(selectionHandler, SelectionEvent.getType());
}