com.google.gwt.aria.client.Roles Java Examples

public ChipPanel(Chip chip, String color) {
	iChip = chip;
	setStyleName("chip");
	addStyleName(color);
	iLabel = new Label(chip.getTranslatedValue());
	iLabel.setStyleName("text");
	add(iLabel);
	iButton = new HTML("×");
	iButton.setStyleName("button");
	add(iButton);
	if (chip.hasToolTip())
		setTitle(toString() + "\n" + chip.getToolTip());
	else
		setTitle(toString());
	Roles.getDocumentRole().setAriaHiddenState(getElement(), true);
}
 

public void setTextInputAllowed(boolean textInputAllowed) {
	debug("VComboBoxMultiselect: setTextInputAllowed()");
	// Always update styles as they might have been overwritten
	if (textInputAllowed) {
		removeStyleDependentName(STYLE_NO_INPUT);
		Roles.getTextboxRole()
			.removeAriaReadonlyProperty(this.tb.getElement());
	} else {
		addStyleDependentName(STYLE_NO_INPUT);
		Roles.getTextboxRole()
			.setAriaReadonlyProperty(this.tb.getElement(), true);
	}

	if (this.textInputEnabled == textInputAllowed) {
		return;
	}

	this.textInputEnabled = textInputAllowed;
	updateReadOnly();
}
 

public int addRow(Widget header, Widget widget, int colSpan) {
	header.addStyleName("label-cell");
	int row = getRowCount();
	setWidget(row, 0, header);
	getCellFormatter().setStyleName(row, 0, "label-td");
	if (widget instanceof HasMobileScroll) {
		ScrollPanel scroll = new ScrollPanel(widget);
		scroll.addStyleName("table-cell");
		setWidget(row, 1, scroll);
		getCellFormatter().setStyleName(row, 1, "table-td");
	} else {
		widget.addStyleName("widget-cell");
		setWidget(row, 1, widget);
		getCellFormatter().setStyleName(row, 1, "widget-td");
	}
	if (colSpan != 1)
		getFlexCellFormatter().setColSpan(row, 1, colSpan);
	if (header.getElement().getId() == null || header.getElement().getId().isEmpty())
		header.getElement().setId(DOM.createUniqueId());
	if (widget instanceof UniTimeWidget)
		Roles.getTextboxRole().setAriaLabelledbyProperty(((UniTimeWidget)widget).getWidget().getElement(), Id.of(header.getElement()));
	else
		Roles.getTextboxRole().setAriaLabelledbyProperty(widget.getElement(), Id.of(header.getElement()));
	return row;
}
 

public int addRow(Widget header, Widget... widgets) {
	if (header.getElement().getId() == null || header.getElement().getId().isEmpty())
		header.getElement().setId(DOM.createUniqueId());
	P head = new P(DOM.createSpan(), "header-cell");
	head.add(header);
	add(head);
	for (Widget widget: widgets) {
		P body = new P(DOM.createSpan(), "content-cell");
		add(body);
		if (widget instanceof UniTimeTable) {
			ScrollPanel scroll = new ScrollPanel(widget);
			scroll.addStyleName("scroll");
			body.add(scroll);
		} else {
			body.add(widget);
		}
	}
	if (widgets.length > 0) {
		if (widgets[0] instanceof UniTimeWidget)
			Roles.getTextboxRole().setAriaLabelledbyProperty(((UniTimeWidget)widgets[0]).getWidget().getElement(), Id.of(header.getElement()));
		else
			Roles.getTextboxRole().setAriaLabelledbyProperty(widgets[0].getElement(), Id.of(header.getElement()));			
	}
	return getWidgetCount() - widgets.length;
}
 

/**
 * Adds suggestions to the suggestion menu bar.
 * 
 * @param suggestions
 *            the suggestions to be added
 * @param textFieldWidget
 *            the text field which the suggestion is attached to to bring
 *            back the focus after selection
 * @param popupPanel
 *            pop-up panel where the menu bar is shown to hide it after
 *            selection
 * @param suggestionServerRpc
 *            server RPC to ask for new suggestion after a selection
 */
public void addItems(final List<SuggestTokenDto> suggestions, final VTextField textFieldWidget,
        final PopupPanel popupPanel, final TextFieldSuggestionBoxServerRpc suggestionServerRpc) {
    for (int index = 0; index < suggestions.size(); index++) {
        final SuggestTokenDto suggestToken = suggestions.get(index);
        final MenuItem mi = new MenuItem(suggestToken.getSuggestion(), true, new ScheduledCommand() {
            @Override
            public void execute() {
                final String tmpSuggestion = suggestToken.getSuggestion();
                final TokenStartEnd tokenStartEnd = tokenMap.get(tmpSuggestion);
                final String text = textFieldWidget.getValue();
                final StringBuilder builder = new StringBuilder(text);
                builder.replace(tokenStartEnd.getStart(), tokenStartEnd.getEnd() + 1, tmpSuggestion);
                textFieldWidget.setValue(builder.toString(), true);
                popupPanel.hide();
                textFieldWidget.setFocus(true);
                suggestionServerRpc.suggest(builder.toString(), textFieldWidget.getCursorPos());
            }
        });
        tokenMap.put(suggestToken.getSuggestion(),
                new TokenStartEnd(suggestToken.getStart(), suggestToken.getEnd()));
        Roles.getListitemRole().set(mi.getElement());
        WidgetUtil.sinkOnloadForImages(mi.getElement());
        addItem(mi);
    }
}
 

protected void selectItem(SuggestionItem item) {
    if (item == selectedItem) {
        return;
    }

    if (selectedItem != null) {
        selectedItem.updateSelection(false);
    }

    if (item != null) {
        item.updateSelection(true);
        Roles.getMenubarRole().setAriaActivedescendantProperty(getElement(), Id.of(item.getElement()));
    }

    selectedItem = item;

    updateContainerScroll(item);
}
 

protected void updateContextHelp(CubaLabelWidget widget) {
    if (isContextHelpIconEnabled(getState())) {
        widget.contextHelpIcon = DOM.createSpan();
        widget.contextHelpIcon.setInnerHTML("?");
        widget.contextHelpIcon.setClassName(CONTEXT_HELP_CLASSNAME);

        if (hasContextHelpIconListeners(getState())) {
            widget.contextHelpIcon.addClassName(CONTEXT_HELP_CLICKABLE_CLASSNAME);
        }

        Roles.getTextboxRole().setAriaHiddenState(widget.contextHelpIcon, true);

        widget.getElement().appendChild(widget.contextHelpIcon);

        widget.contextHelpClickHandler =
                this::contextHelpIconClick;
    }
}
 

private void updateAriaAttributes(int setSize) {
  // Early out if this is a root node.
  if (isRootNode()) {
    return;
  }

  Roles.getTreeitemRole().setAriaSetsizeProperty(getElement(), setSize);
  int selectionIndex = parentNode.indexOf(this);
  Roles.getTreeitemRole().setAriaPosinsetProperty(getElement(), selectionIndex + 1);
  // Set 'aria-expanded' state
  // don't set aria-expanded on the leaf nodes
  if (isLeaf()) {
    Roles.getTreeitemRole().removeAriaExpandedState(getElement());
  }
  else {
    Roles.getTreeitemRole().setAriaExpandedState(getElement(), ExpandedValue.of(open));
  }
  Roles.getTreeitemRole().setAriaLevelProperty(getElement(), this.depth);
}
 

public void setTextInputAllowed(boolean textInputAllowed) {
	debug("VComboBoxMultiselect: setTextInputAllowed()");
	// Always update styles as they might have been overwritten
	if (textInputAllowed) {
		removeStyleDependentName(STYLE_NO_INPUT);
		Roles.getTextboxRole()
			.removeAriaReadonlyProperty(this.tb.getElement());
	} else {
		addStyleDependentName(STYLE_NO_INPUT);
		Roles.getTextboxRole()
			.setAriaReadonlyProperty(this.tb.getElement(), true);
	}

	if (this.textInputEnabled == textInputAllowed) {
		return;
	}

	this.textInputEnabled = textInputAllowed;
	updateReadOnly();
}
 

public AriaToggleButton(ImageResource checked, ImageResource unchecked) {
	iCheckedFace = checked; iUncheckedFace = unchecked;
	setResource(iUncheckedFace);
	Roles.getCheckboxRole().set(getElement());
	Roles.getCheckboxRole().setAriaCheckedState(getElement(), CheckedValue.FALSE);
	setTabIndex(0);
	sinkEvents(Event.ONKEYUP | Event.ONCLICK);
}
 

public UniTimeTable() {
	setCellPadding(2);
	setCellSpacing(0);
	sinkEvents(Event.ONMOUSEOVER);
	sinkEvents(Event.ONMOUSEOUT);
	sinkEvents(Event.ONCLICK);
	sinkEvents(Event.ONKEYDOWN);
	sinkEvents(Event.ONDBLCLICK);
	setStylePrimaryName("unitime-MainTable");
	iHintPanel = new PopupPanel();
	iHintPanel.setStyleName("unitime-PopupHint");
	Roles.getGridRole().set(getElement());
}
 

@Override
public boolean selectTab(int index, boolean fireEvents) {
	if (getSelectedTab() >= 0) {
		Roles.getTabRole().setAriaSelectedState(getTabElement(getSelectedTab()), SelectedValue.FALSE);
		Roles.getTabRole().setAriaLabelProperty(getTabElement(getSelectedTab()), ARIA.tabNotSelected(1 + getSelectedTab(), getTabCount(), getTabLabel(getSelectedTab())));
	}
	boolean ret = super.selectTab(index, fireEvents);
	if (getSelectedTab() >= 0) {
		Roles.getTabRole().setAriaSelectedState(getTabElement(getSelectedTab()), SelectedValue.TRUE);
		Roles.getTabRole().setAriaLabelProperty(getTabElement(getSelectedTab()), ARIA.tabSelected(1 + getSelectedTab(), getTabCount(), getTabLabel(getSelectedTab())));
		if (fireEvents)
			AriaStatus.getInstance().setHTML(ARIA.onTabSelected(getTabLabel(getSelectedTab())));
	}
	return ret;
}
 

@Override
public void removeTab(int index) {
	super.removeTab(index);
	Id ids[] = new Id[getTabCount()];
	for (int i = 0; i < getTabCount(); i++) {
		Roles.getTabRole().setAriaLabelProperty(getTabElement(i), ARIA.tabNotSelected(1 + i, getTabCount(), getTabLabel(i)));
		ids[i] = Id.of(getTabElement(i));
	}
	Roles.getTablistRole().setAriaOwnsProperty(getElement(), ids);
	if (getSelectedTab() >= 0) {
		Roles.getTabRole().setAriaSelectedState(getTabElement(getSelectedTab()), SelectedValue.TRUE);
		Roles.getTabRole().setAriaLabelProperty(getTabElement(getSelectedTab()), ARIA.tabSelected(1 + getSelectedTab(), getTabCount(), getTabLabel(getSelectedTab())));
	}
}
 

@Override
protected void insertTabWidget(Widget widget, int beforeIndex) {
	super.insertTabWidget(widget, beforeIndex);
	Roles.getTabRole().setAriaSelectedState(getTabElement(beforeIndex), SelectedValue.FALSE);
	getTabElement(beforeIndex).setId(DOM.createUniqueId());
	Id ids[] = new Id[getTabCount()];
	for (int i = 0; i < getTabCount(); i++) {
		Roles.getTabRole().setAriaLabelProperty(getTabElement(i), ARIA.tabNotSelected(1 + i, getTabCount(), getTabLabel(i)));
		ids[i] = Id.of(getTabElement(i));
	}
	Roles.getTablistRole().setAriaOwnsProperty(getElement(), ids);
}
 

/**
 * Default constructor
 */
SuggestionPopup() {
	super(true, false);
	debug("VComboBoxMultiselect.SP: constructor()");
	setOwner(VComboBoxMultiselect.this);
	this.menu = new SuggestionMenu();
	setWidget(this.menu);

	getElement().getStyle()
		.setZIndex(Z_INDEX);

	final Element root = getContainerElement();

	this.up.setInnerHTML("<span>Prev</span>");
	DOM.sinkEvents(this.up, Event.ONCLICK);

	this.down.setInnerHTML("<span>Next</span>");
	DOM.sinkEvents(this.down, Event.ONCLICK);

	root.insertFirst(this.up);
	root.appendChild(this.down);
	root.appendChild(this.status);

	DOM.sinkEvents(root, Event.ONMOUSEDOWN | Event.ONMOUSEWHEEL);
	addCloseHandler(this);

	Roles.getListRole()
		.set(getElement());

	setPreviewingAllNativeEvents(true);
}
 

@Override
public void setAriaLabel(String text) {
	if (text == null || text.isEmpty())
		Roles.getLinkRole().removeAriaLabelledbyProperty(getElement());
	else
		Roles.getLinkRole().setAriaLabelProperty(getElement(), text);
}
 

public String toAriaLabel(boolean hover, boolean description, boolean selection) {
	String label = "";
	if (hover && iHoverDate != null && iHoverLoc != null) {
		P p = iPanels.get(iHoverDate + ":" + iHoverLoc.getUniqueId());
		if (iSelected.contains(iHoverDate + ":" + iHoverLoc.getUniqueId())) {
			label = ARIA.selectedSelection(Roles.getTextboxRole().getAriaLabelProperty(p.getElement()));
		} else {
			label = Roles.getTextboxRole().getAriaLabelProperty(p.getElement());
		}
	} else if (description) {
		if (EventCookie.getInstance().areRoomsHorizontal())
			label = ARIA.meetingSelectionDescriptionRoomsHorizontal(getDates().size(), 1 + iIndex, Math.min(iIndex + iStep, getRooms().size()));
		else
			label = ARIA.meetingSelectionDescriptionDatesHorizontal(getRooms().size(), 1 + iIndex, Math.min(iIndex + iStep, getDates().size()));
	}
	if (selection) {
		if (iSelected.isEmpty()) {
			label += " " + ARIA.meetingSelectionNothingSelected();
		} else {
			String selected = "";
			for (Integer date: getDates())
				for (Entity room: getRooms()) {
					if (iSelected.contains(date + ":" + room.getUniqueId())) {
						if (!selected.isEmpty()) selected += ", ";
						selected += ARIA.dateRoomSelection(sAriaDateFormat.format(iDates.getDate(date)), room.getName());
					}
				}
			label += " " + ARIA.meetingSelectionSelected(selected);
		}			
	}
	return label;
}
 

@Override
public void setValue(Boolean value, boolean fireEvents) {
	if (value == null) value = false;
	iValue = value;
	setResource(iValue ? iCheckedFace : iUncheckedFace);
	Roles.getCheckboxRole().setAriaCheckedState(getElement(), iValue ? CheckedValue.TRUE : CheckedValue.FALSE);
	if (fireEvents)
		ValueChangeEvent.fire(this, getValue());
}
 

@Override
public void setEnabled(boolean enabled) {
	if (iEnabled != enabled) {
		iEnabled = enabled;
		setResource(enabled ? iUp : iDisabled != null ? iDisabled : iUp);
		if (enabled) {
			removeStyleName("unitime-ImageButton-disabled");
		} else {
			addStyleName("unitime-ImageButton-disabled");
		}
		Roles.getButtonRole().setAriaDisabledState(getElement(), !enabled);
	}
}
 

public ClickableHint(String text) {
	super(text);
	getElement().setTabIndex(0);
	setStyleName("unitime-Hint");
	sinkEvents(Event.KEYEVENTS);
	Roles.getLinkRole().set(getElement());
}
 

@Override
public void setAriaLabel(String text) {
	if (iWidget instanceof HasAriaLabel) {
		((HasAriaLabel)iWidget).setAriaLabel(text);
	} else {
		if (iAriaLabel == null) {
			iAriaLabel = DOM.createLabel();
			iAriaLabel.setId(DOM.createUniqueId());
			iAriaLabel.setClassName("hidden-label");
			DOM.appendChild(getElement(), iAriaLabel);
			Roles.getCheckboxRole().setAriaLabelledbyProperty(iWidget.getElement(), Id.of(iAriaLabel));
		}
		iAriaLabel.setInnerText(text);
	}
}
 

@Override
public void setAriaLabel(String text) {
	if (text == null || text.isEmpty())
		Roles.getLinkRole().removeAriaLabelledbyProperty(iElement);
	else
		Roles.getLinkRole().setAriaLabelProperty(iElement, text);
}
 

public void addOperation(FilterOperation operation, boolean beforeFinder) {
	operation.addStyleName("button-image");
	if (beforeFinder)
		iFilter.add(operation);
	else
		iFilter.insert(operation, iFilter.getWidgetIndex(iFilter.iFilterFinder));
       Roles.getDocumentRole().setAriaHiddenState(operation.getElement(), true);
}
 

public WebTable() {
	iTable = new RowSelectingFlexTable();
	iTable.setCellPadding(2);
	iTable.setCellSpacing(0);
	iTable.setStyleName("unitime-WebTable");
	initWidget(iTable);
	Roles.getGridRole().set(iTable.getElement());
}
 

public void setHeader(Row... header) {
	iHeader = header;
	for (int i=0; i<header.length; i++) {
		for (int j=0; j<header[i].getNrCells(); j++) {
			Cell cell = header[i].getCell(j);
			if (cell.getWidget() == null) {
				iTable.setHTML(i, j, (cell.getValue() == null || cell.getValue().isEmpty() ? "&nbsp;" : cell.getValue()));
				if (cell.getAriaLabel() != null && !cell.getAriaLabel().isEmpty())
					Roles.getGridcellRole().setAriaLabelProperty(iTable.getCellFormatter().getElement(i, j), cell.getAriaLabel());
			} else
				iTable.setWidget(i, j, cell.getWidget());
			iTable.getFlexCellFormatter().setWordWrap(i, j, cell.getWordWrap());
			iTable.getFlexCellFormatter().setStyleName(i, j, (cell.getStyleName() == null ? "unitime-TableHeader" : cell.getStyleName()));
			if (cell.getWidth() != null)
				iTable.getFlexCellFormatter().setWidth(i, j, cell.getWidth());
			iTable.getFlexCellFormatter().setColSpan(i, j, cell.getColSpan());
			iTable.getFlexCellFormatter().setRowSpan(i, j, cell.getRowSpan());
			iTable.getFlexCellFormatter().setVerticalAlignment(i, j, cell.getVerticalAlignment());
			iTable.getFlexCellFormatter().setHorizontalAlignment(i, j, cell.getHorizontalAlignment());
			iTable.getFlexCellFormatter().getElement(i, j).setTitle(cell.getTitle());
			Roles.getColumnheaderRole().set(iTable.getCellFormatter().getElement(i, j));
		}
		Roles.getRowRole().set(iTable.getRowFormatter().getElement(i));
		
		if (header[i].getAriaLabel() != null && !header[i].getAriaLabel().isEmpty()) {
			iTable.setWidget(i, header[i].getNrCells(), new AriaHiddenLabel(header[i].getAriaLabel()));
		} else {
			iTable.setHTML(i, header[i].getNrCells(), "");
		}
		Roles.getRowheaderRole().set(iTable.getCellFormatter().getElement(i, header[i].getNrCells()));
		iTable.getFlexCellFormatter().setStyleName(i, header[i].getNrCells(), "unitime-TableHeader");
		iTable.getFlexCellFormatter().addStyleName(i, header[i].getNrCells(), "rowheader");
	}
}
 

@Override
public void setAriaLabel(String text) {
	if (text == null || text.isEmpty())
		Roles.getTextboxRole().removeAriaLabelledbyProperty(getElement());
	else
		Roles.getTextboxRole().setAriaLabelProperty(getElement(), text);
}
 

/**
 * Update the image based on the current state.
 *
 * @param isLoading true if still loading data
 */
private void updateImage(boolean isLoading) {
  // Early out if this is a root node.
  if (isRootNode()) {
    return;
  }

  // Replace the image element with a new one.
  boolean isTopLevel = parentNode.isRootNode();
  SafeHtml html = tree.getClosedImageHtml(isTopLevel);
  if (open) {
    html = isLoading ? tree.getLoadingImageHtml() : tree.getOpenImageHtml(isTopLevel);
  }
  if (nodeInfoLoaded && nodeInfo == null) {
    html = LEAF_IMAGE;
  }
  Element tmp = Document.get().createDivElement();
  tmp.setInnerSafeHtml(html);
  Element imageElem = tmp.getFirstChildElement();

  Element oldImg = getImageElement();
  oldImg.getParentElement().replaceChild(imageElem, oldImg);

  // Set 'aria-expanded' state
  // don't set aria-expanded on the leaf nodes
  if (isLeaf()) {
    Roles.getTreeitemRole().removeAriaExpandedState(getElement());
  }
  else {
    Roles.getTreeitemRole().setAriaExpandedState(getElement(), ExpandedValue.of(open));
  }
}
 

/**
 * Default constructor.
 */
public VComboBoxMultiselect() {
	this.tb = createTextBox();
	this.suggestionPopup = createSuggestionPopup();

	this.popupOpener.addMouseDownHandler(VComboBoxMultiselect.this);
	Roles.getButtonRole()
		.setAriaHiddenState(this.popupOpener.getElement(), true);
	Roles.getButtonRole()
		.set(this.popupOpener.getElement());

	this.panel.add(this.tb);
	this.panel.add(this.popupOpener);
	initWidget(this.panel);
	Roles.getComboboxRole()
		.set(this.panel.getElement());

	this.tb.addKeyDownHandler(this);
	this.tb.addKeyUpHandler(this);

	this.tb.addFocusHandler(this);
	this.tb.addBlurHandler(this);

	this.panel.addDomHandler(this, ClickEvent.getType());

	setStyleName(CLASSNAME);

	sinkEvents(Event.ONPASTE);
}
 

public CubaFileUploadProgressWindow() {
    super(false, true); // no autohide, modal
    // Different style of shadow for windows

    Roles.getDialogRole().set(getElement());
    Roles.getDialogRole().setAriaRelevantProperty(getElement(),
            RelevantValue.ADDITIONS);

    constructDOM();
}
 

@Override
public void onStateChanged(StateChangeEvent stateChangeEvent) {
    getWidget().captionManagedByLayout = getState().captionManagedByLayout;

    super.onStateChanged(stateChangeEvent);

    if (!getWidget().captionManagedByLayout
            && isContextHelpIconEnabled(getState())) {
        if (getWidget().contextHelpIcon == null) {
            getWidget().contextHelpIcon = DOM.createSpan();
            getWidget().contextHelpIcon.setInnerHTML("?");
            getWidget().contextHelpIcon.setClassName(CONTEXT_HELP_CLASSNAME);

            if (hasContextHelpIconListeners(getState())) {
                getWidget().contextHelpIcon.addClassName(CONTEXT_HELP_CLICKABLE_CLASSNAME);
            }

            Roles.getTextboxRole().setAriaHiddenState(getWidget().contextHelpIcon, true);

            getWidget().getElement().appendChild(getWidget().contextHelpIcon);
            DOM.sinkEvents(getWidget().contextHelpIcon, VTooltip.TOOLTIP_EVENTS | Event.ONCLICK);
        } else {
            getWidget().contextHelpIcon.getStyle().clearDisplay();
        }
    } else if (getWidget().contextHelpIcon != null) {
        getWidget().contextHelpIcon.getStyle()
                .setDisplay(Style.Display.NONE);

        getWidget().setAriaInvalid(false);
    }

    if (stateChangeEvent.hasPropertyChanged("readOnly")) {
        getWidget().setReadOnly(getState().readOnly);
    }
}