Java Code Examples for com.google.gwt.user.client.DOM

@Override
protected void init() {
	clientWidth = DOM.getElementPropertyInt(label.getElement(), "clientHeight");
	clientWidth = DOM.getElementPropertyInt(label.getElement(), "clientHeight");
	clientHeight = DOM.getElementPropertyInt(label.getElement(), "clientHeight");
	offsetWidth = label.getOffsetWidth();
	offsetHeight = label.getOffsetHeight();
	offsetTop = DOM.getElementPropertyInt(label.getElement(), "offsetTop");
	offsetLeft = DOM.getElementPropertyInt(label.getElement(), "offsetLeft");

	boder = (offsetHeight - clientHeight) / 2;

	custom();

	this.setPixelSize((int) offsetWidth + offsetLeft * 2, (int) offsetHeight
			+ offsetTop * 2);
}
 

@Override
protected void initCellWithText(String text, char align, String style, boolean textIsHTML,
                                boolean sorted, String description, TableCellElement td) {
    super.initCellWithText(text, align, style, textIsHTML, sorted, description, td);

    final Element tdElement = td.cast();
    Tools.textSelectionEnable(tdElement, _delegate.textSelectionEnabled);

    if ((_delegate.clickableColumns != null && _delegate.clickableColumns.contains(currentColumnKey))
            || (_delegate.clickableTableColumns != null && _delegate.clickableTableColumns.contains(currentColumnKey))) {
        tdElement.addClassName(CUBA_TABLE_CLICKABLE_CELL_CONTENT);
        Element wrapperElement = tdElement.getFirstChildElement();
        final Element clickableSpan = DOM.createSpan().cast();
        clickableSpan.setClassName(CUBA_TABLE_CLICKABLE_CELL_STYLE);

        clickableSpan.setInnerText(wrapperElement.getInnerText());

        wrapperElement.removeAllChildren();
        DOM.appendChild(wrapperElement, clickableSpan);
    }

    if (_delegate.multiLineCells) {
        Style wrapperStyle = tdElement.getFirstChildElement().getStyle();
        wrapperStyle.setWhiteSpace(Style.WhiteSpace.PRE_LINE);
    }
}
 

private Viewport getMainChartViewport() {
    Image mainChartImage = new Image("img/blank.gif");

    Viewport mainchart = new Viewport("100%", "100%");
    mainchart.setEnableZoomWhenShiftkeyPressed(true);
    mainchart.add(mainChartImage);

    // as it is focusable, we do not want to see an outline
    DOM.setStyleAttribute(mainchart.getElement(), "outline", "none");
    DOM.setStyleAttribute(mainchart.getElement(), "overflow", "visible");
    ImageViewImpl imageView = new ImageViewImpl(mainChartImage);

    new ImagePresenter(this.mainChartEventBus, imageView);
    new DragImageControl(this.mainChartEventBus);
    new MouseWheelControl(this.mainChartEventBus);

    return mainchart;
}
 

public void onBrowserEvent(Event event) {
	int selectedRow = 0;

	if (DOM.eventGetType(event) == Event.ONDBLCLICK) {
		Element td = getMouseEventTargetCell(event);
		if (td == null) return;
		Element tr = DOM.getParent(td);
		Element body = DOM.getParent(tr);
		selectedRow = DOM.getChildIndex(body, tr);
		if (selectedRow >= 0) {
			markSelectedRow(selectedRow);
			Main.get().onlineUsersPopup.enableAcceptButton();
			DOM.eventCancelBubble(event, true);
			Main.get().onlineUsersPopup.executeAction();
		}
	}

	super.onBrowserEvent(event);
}
 

/**
 * Method originally copied from HTMLTable superclass where it was defined private
 * Now implemented differently to only return target cell if it'spart of 'this' table
 */
private Element getMouseEventTargetCell(Event event) {
	Element td = DOM.eventGetTarget(event);
	//locate enclosing td element
	while (!DOM.getElementProperty(td, "tagName").equalsIgnoreCase("td")) {
		// If we run out of elements, or run into the table itself, then give up.
		if ((td == null) || td == getElement())
			return null;
		td = DOM.getParent(td);
	}
	//test if the td is actually from this table
	Element tr = DOM.getParent(td);
	Element body = DOM.getParent(tr);
	if (body == this.getBodyElement()) {
		return td;
	}
	//Didn't find appropriate cell
	return null;
}
 

public void setToday(Date today, int width) {
    this.today = today;
    addStyleDependentName("today");
    Element lastChild = (Element) getElement().getLastChild();
    if (lastChild.getClassName().equals("v-calendar-current-time")) {
        todaybar = lastChild;
    } else {
        todaybar = DOM.createDiv();
        todaybar.setClassName("v-calendar-current-time");
        getElement().appendChild(todaybar);
    }

    if (width != -1) {
        todaybar.getStyle().setWidth(width, Unit.PX);
    }

    // position is calculated later, when we know the cell heights
}
 

private void updateEventHandler(final ContentElement element, String eventHandlerId) {
  Element implNodelet = element.getImplNodelet();
  final EventHandler handler =
      eventHandlerId == null ? null : AnnotationPaint.eventHandlerRegistry.get(eventHandlerId);
  if (handler != null) {
    DOM.sinkEvents(DomHelper.castToOld(implNodelet), MOUSE_LISTENER_EVENTS);
    DOM.setEventListener(DomHelper.castToOld(implNodelet), new EventListener() {
      @Override
      public void onBrowserEvent(Event event) {
        handler.onEvent(element, event);
      }
    });
  } else {
    removeListener(DomHelper.castToOld(implNodelet));
  }
}
 

private void initTooltips() {

        Element mousePointerElement = getMousePointerLineElement();
        DOM.setStyleAttribute(mousePointerElement, "backgroundColor", "blue");
        DOM.setStyleAttribute(mousePointerElement, "width", "0px");
        DOM.setStyleAttribute(mousePointerElement, "height", "0px");
        DOM.setStyleAttribute(mousePointerElement, "visibility", "hidden");
        DOM.setStyleAttribute(mousePointerElement, "marginTop", "6px");
        this.mainChartViewport.add(this.verticalMousePointerLine);

        this.tooltipPresenter = new TooltipPresenter(this.mainChartEventBus);

        this.tooltipPresenter.configureHoverMatch(true, false, false);
        this.tooltipPresenter.setTooltipZIndex(Constants.Z_INDEX_ON_TOP);

        GenericWidgetViewImpl widget = new GenericWidgetViewImpl(this.verticalMousePointerLine);
        MousePointerPresenter mpp = new MousePointerPresenter(this.mainChartEventBus, widget);
        mpp.configure(true, false);
    }
 

@Override
public void load() {
    if (getType() == SubHeaderType.PINNED) {
        String subHeaderClass = DOM.createUniqueId();
        for (Widget w : getChildren()) {
            if (w instanceof MaterialSubHeader) {
                w.addStyleName(subHeaderClass);
                subHeaders.add((MaterialSubHeader) w);
            }
        }

        JsSubHeader.initSubheader("." + subHeaderClass, getElement());

        if (subHeaders.size() == 0) {
            $(getElement()).find(".top_holder").css("display", "none");
        }
    }
    AddinsDarkThemeReloader.get().reload(MaterialSubheaderDarkTheme.class);
}
 

/**
 * Sets the font typeface for the given widget.
 *
 * @param widget  widget to change font typeface for
 * @param typeface  "0" for normal, "1" for sans serif, "2" for serif and
 *                  "3" for monospace
 */
static void setWidgetFontTypeface(Widget widget, String typeface) {
  switch (Integer.parseInt(typeface)) {
    default:
      // This should never happen
      throw new IllegalArgumentException("Typeface:" + typeface);

    case 0:
    case 1:
      typeface = "sans-serif";
      break;

    case 2:
      typeface = "serif";
      break;

    case 3:
      typeface = "monospace";
      break;
  }
  DOM.setStyleAttribute(widget.getElement(), "fontFamily", typeface);
}
 

private SubmitCompleteHandler getSubmitCompleteHandler() {
	return new SubmitCompleteHandler() {
		public void onSubmitComplete(final SubmitCompleteEvent event) {

			final Element label = DOM.createLabel();
			label.setInnerHTML(event.getResults());

			final String csvData = label.getInnerText();
			if (hasError(csvData)) {
				showAlert("Error: " + csvData);
			} else {
				parseCsvData(csvData);
				autoMessageBox.hide();
			}
		}

		private boolean hasError(final String contentFile) {
			return contentFile.startsWith("413")
					|| contentFile.startsWith("500");
		}
	};
}
 

/**
 * HTMLPreview
 */
public SyntaxHighlighterPreview() {
	iframe = new Frame("about:blank");

	DOM.setElementProperty(iframe.getElement(), "frameborder", "0");
	DOM.setElementProperty(iframe.getElement(), "marginwidth", "0");
	DOM.setElementProperty(iframe.getElement(), "marginheight", "0");
	//DOM.setElementProperty(iframe.getElement(), "scrolling", "yes");

	// Commented because on IE show clear if allowtransparency=true
	DOM.setElementProperty(iframe.getElement(), "allowtransparency", "false");

	iframe.setStyleName("okm-Iframe");
	iframe.addStyleName("okm-EnableSelect");

	initWidget(iframe);
}
 

@Override
protected void onPreviewNativeEvent(NativePreviewEvent event) {
	// Check all events outside the combobox to see if they scroll the
	// page. We cannot use e.g. Window.addScrollListener() because the
	// scrolled element can be at any level on the page.

	// Normally this is only called when the popup is showing, but make
	// sure we don't accidentally process all events when not showing.
	if (!this.scrollPending && isShowing()
			&& !DOM.isOrHasChild(SuggestionPopup.this.getElement(), Element.as(event.getNativeEvent()
				.getEventTarget()))) {
		if (getDesiredLeftPosition() != this.leftPosition || getDesiredTopPosition() != this.topPosition) {
			updatePopupPositionOnScroll();
		}
	}

	super.onPreviewNativeEvent(event);
}
 

private HTML buildSliderPart(String width, String height, String cursor, String color, double transparancy) {
    HTML container = new HTML();
    container.setWidth(width);
    container.setHeight(height);
    DOM.setStyleAttribute(container.getElement(), "cursor", cursor);
    DOM.setStyleAttribute(container.getElement(), "backgroundColor", color);

    // transparency styling (see also bug#449 and http://www.quirksmode.org/css/opacity.html)
    // note: since GWT complains, '-msFilter' has to be in plain camelCase (w/o '-')
    // ordering is important here
    DOM.setStyleAttribute(container.getElement(), "opacity", Double.toString(transparancy));
    DOM.setStyleAttribute(container.getElement(), "mozOpacity", Double.toString(transparancy));
    String opacity = "(opacity=" +Double.toString(transparancy*100) + ")";
    DOM.setStyleAttribute(container.getElement(), "msFilter", "\"progid:DXImageTransform.Microsoft.Alpha"+ opacity + "\"");
    DOM.setStyleAttribute(container.getElement(), "filter", "alpha" + opacity);
    return container;
}
 

/**
 * Method originally copied from HTMLTable superclass where it was defined private
 * Now implemented differently to only return target cell if it'spart of 'this' table
 */
private Element getMouseEventTargetCell(Event event) {
	Element td = DOM.eventGetTarget(event);
	//locate enclosing td element
	while (!DOM.getElementProperty(td, "tagName").equalsIgnoreCase("td")) {
		// If we run out of elements, or run into the table itself, then give up.
		if ((td == null) || td == getElement())
			return null;
		td = DOM.getParent(td);
	}
	//test if the td is actually from this table
	Element tr = DOM.getParent(td);
	Element body = DOM.getParent(tr);
	if (body == this.getBodyElement()) {
		return td;
	}
	//Didn't find appropriate cell
	return null;
}
 

@Override
public void onKeyDown(KeyDownEvent event) {
	if (this.enabled && !this.readonly) {
		int keyCode = event.getNativeKeyCode();

		debug("VComboBoxMultiselect: key down: " + keyCode);

		if (this.dataReceivedHandler.isWaitingForFilteringResponse() && navigationKeyCodes.contains(keyCode)
				&& (!this.allowNewItems || keyCode != KeyCodes.KEY_ENTER)) {
			/*
			 * Keyboard navigation events should not be handled while we are
			 * waiting for a response. This avoids flickering, disappearing
			 * items, wrongly interpreted responses and more.
			 */
			debug("Ignoring " + keyCode + " because we are waiting for a filtering response");

			DOM.eventPreventDefault(DOM.eventGetCurrentEvent());
			event.stopPropagation();
			return;
		}

		if (this.suggestionPopup.isAttached()) {
			debug("Keycode " + keyCode + " target is popup");
			popupKeyDown(event);
		} else {
			debug("Keycode " + keyCode + " target is text field");
			inputFieldKeyDown(event);
		}
	}
}
 

/**
 * Generate and build the List Items to be set on Auto Complete box.
 */
protected void setup(SuggestOracle suggestions) {

    if (itemBoxKeyDownHandler != null) {
        itemBoxKeyDownHandler.removeHandler();
    }

    list.setStyleName(AddinsCssName.MULTIVALUESUGGESTBOX_LIST);
    this.suggestions = suggestions;
    final ListItem item = new ListItem();

    item.setStyleName(AddinsCssName.MULTIVALUESUGGESTBOX_INPUT_TOKEN);

    suggestBox = new SuggestBox(suggestions, itemBox);
    suggestBox.addSelectionHandler(selectionEvent -> {
        Suggestion selectedItem = selectionEvent.getSelectedItem();
        itemBox.setValue("");
        if (addItem(selectedItem)) {
            ValueChangeEvent.fire(MaterialAutoComplete.this, getValue());
        }
        itemBox.setFocus(true);
    });

    loadHandlers();

    setLimit(this.limit);
    String autocompleteId = DOM.createUniqueId();
    itemBox.getElement().setId(autocompleteId);

    item.add(suggestBox);
    item.add(label);
    list.add(item);

    panel.add(list);
    panel.getElement().setAttribute("onclick",
            "document.getElementById('" + autocompleteId + "').focus()");
    panel.add(errorLabel);
    suggestBox.setFocus(true);
}
 

/**
 * Should the previous page button be visible to the user
 *
 * @param active
 */
private void setPrevButtonActive(boolean active) {
	debug("VComboBoxMultiselect.SP: setPrevButtonActive(" + active + ")");

	if (active) {
		DOM.sinkEvents(this.up, Event.ONCLICK);
		this.up.setClassName(VComboBoxMultiselect.this.getStylePrimaryName() + "-prevpage");
	} else {
		DOM.sinkEvents(this.up, 0);
		this.up.setClassName(VComboBoxMultiselect.this.getStylePrimaryName() + "-prevpage-off");
	}

}
 

public CubaTreeTableHeaderCell(String colId, String headerText) {
    super(colId, headerText);

    Element sortIndicator = td.getChild(1).cast();
    DOM.sinkEvents(sortIndicator, Event.ONCONTEXTMENU | DOM.getEventsSunk(sortIndicator));
    Element captionContainer = td.getChild(2).cast();
    DOM.sinkEvents(captionContainer, Event.ONCONTEXTMENU | DOM.getEventsSunk(captionContainer));
}
 

@Override
protected void onLoad() {
    super.onLoad();

    setUniqueId(DOM.createUniqueId());
    timeInput.setType(InputType.TEXT);
    container.add(timeInput);
    container.add(label);
    container.add(errorLabel);
    add(container);
    timeInput.getElement().setAttribute("type", "text");

    load();
}
 

protected void addCellWithField(String text, char align, int colIndex) {
    final TableCellElement td = DOM.createTD().cast();
    final DivElement container = DOM.createDiv().cast();
    container.setClassName(tableWidget.getStylePrimaryName() + "-cell-wrapper" + " " + "widget-container");

    setAlign(align, container);

    InputElement inputElement = DOM.createInputText().cast();
    inputElement.setValue(text);
    inputElement.addClassName("v-textfield v-widget");
    inputElement.addClassName("c-total-aggregation-textfield");
    Style elemStyle = inputElement.getStyle();
    elemStyle.setWidth(100, Style.Unit.PCT);

    container.appendChild(inputElement);

    if (inputsList == null) {
        inputsList = new ArrayList<>();
    }
    inputsList.add(new AggregationInputFieldInfo(text, tableWidget.getColKeyByIndex(colIndex), inputElement));

    DOM.sinkEvents(inputElement, Event.ONCHANGE | Event.ONKEYDOWN);

    td.setClassName(tableWidget.getStylePrimaryName() + "-cell-content");
    td.addClassName(tableWidget.getStylePrimaryName() + "-aggregation-cell");
    td.appendChild(container);
    tr.appendChild(td);
}
 

public GanttWidget() {

        setElement(DivElement.as(DOM.createDiv()));
        setStyleName(STYLE_GANTT);

        nowElement.setClassName(STYLE_NOW_ELEMENT);

        moveElement.setClassName(STYLE_MOVE_ELEMENT);
        // not visible by default
        moveElement.getStyle().setDisplay(Display.NONE);

        timeline = GWT.create(TimelineWidget.class);

        container = DivElement.as(DOM.createDiv());
        container.setClassName(STYLE_GANTT_CONTAINER);

        content = DivElement.as(DOM.createDiv());
        content.setClassName(STYLE_GANTT_CONTENT);
        container.appendChild(content);

        content.appendChild(moveElement);
        content.appendChild(nowElement);

        scrollbarSpacer = DivElement.as(DOM.createDiv());
        scrollbarSpacer.getStyle().setHeight(AbstractNativeScrollbar.getNativeScrollbarHeight(), Unit.PX);
        scrollbarSpacer.getStyle().setDisplay(Display.NONE);

        getElement().appendChild(timeline.getElement());
        getElement().appendChild(container);
        getElement().appendChild(scrollbarSpacer);
    }
 

@Override
public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);

    final int type = DOM.eventGetType(event);
    if (type == Event.ONKEYDOWN && shortcutHandler != null) {
        shortcutHandler.handleKeyboardEvent(event);
    }
}
 

protected <T extends MaterialWidget & HasActivates> void setActivator(T widget) {
    String activator = DOM.createUniqueId();
    widget.setActivates(activator);
    widget.addStyleName(IncubatorCssName.LANGUAGE_ACTIVATOR);
    add(widget);
    dropdown.setActivator(activator);
    dropdown.reload();
}
 

@Override
public void load() {
    setId(DOM.createUniqueId());
    kanbanOptions = getOptions();
    kanbanOptions.setElement("#" + getId());
    kanban = new JKanban(getOptions());

    if (responsive) {
        responsiveLoader.load();
    } else {
        responsiveLoader.unload();
    }
}
 

@Override
public void onBrowserEvent(Event event) {
	switch (DOM.eventGetType(event)) {
    case Event.ONBLUR:
    	BlurEvent.fireNativeEvent(event, this);
    	break;
    case Event.ONFOCUS:
    	FocusEvent.fireNativeEvent(event, this);
    	break;
	}
	super.onBrowserEvent(event);
}
 

/**
 * Sets the background color for the given widget.
 *
 * @param widget  widget to change background color for
 * @param color  new color (RGB value)
 */
static void setWidgetBackgroundColor(Widget widget, String color) {
  if (isNoneColor(color)) {
    DOM.setStyleAttribute(widget.getElement(), "backgroundColor", "transparent");
  } else {
    DOM.setStyleAttribute(widget.getElement(), "backgroundColor", "#" + getHexString(color, 6));
  }
}
 

/**
 * @param child
 *            Child widget.
 * @param container
 *            Parent element.
 * @param beforeIndex
 *            Target index of element in DOM.
 * @param domInsert
 *            true: Insert at specific position. false: append at the end.
 */
@Override
protected void insert(Widget child, Element container, int beforeIndex, boolean domInsert) {
    GWT.log("Count content elements: " + content.getChildCount() + " ("
            + getAdditionalNonWidgetContentElementCount() + " non-widget non-step elements, "
            + (getAdditonalContentElementCount() - getAdditionalNonWidgetContentElementCount())
            + " non-step widgets.)");

    // Validate index; adjust if the widget is already a child of this
    // panel.
    int adjustedBeforeStepIndex = adjustIndex(child, beforeIndex - getAdditionalNonWidgetContentElementCount())
            - getAdditionalWidgetContentElementCount();

    // Detach new child. Might also remove additional widgets like
    // predecessor arrows. May affect contentHeight.
    child.removeFromParent();

    // Logical attach.
    getChildren().insert(child, adjustedBeforeStepIndex + getAdditionalWidgetContentElementCount());

    // Physical attach.
    if (domInsert) {
        DOM.insertChild(container, child.getElement(), adjustedBeforeStepIndex + getAdditonalContentElementCount());
    } else {
        DOM.appendChild(container, child.getElement());
    }

    // Adopt.
    adopt(child);
}
 

@Override
public void onBrowserEvent(Event event) {
   	Element target = DOM.eventGetTarget(event);

    switch (DOM.eventGetType(event)) {
    case Event.ONMOUSEDOWN:
    	boolean open = iFilterOpen.getElement().equals(target);
    	boolean close = iFilterClose.getElement().equals(target);
    	boolean clear = iFilterClear.getElement().equals(target);
    	boolean filter = iFilter.getElement().equals(target);
    	if (isFilterPopupShowing() || close) {
    		hideFilterPopup();
    	} else if (open) {
    		hideSuggestions();
    		showFilterPopup();
    	}
    	if (clear) {
			iFilter.setText("");
			removeAllChips();
			setAriaLabel(toAriaString());
			ValueChangeEvent.fire(FilterBox.this, getValue());
    	}
    	if (!filter) {
			event.stopPropagation();
			event.preventDefault();
	    	Scheduler.get().scheduleDeferred(new ScheduledCommand() {
				@Override
				public void execute() {
					iFilter.setFocus(true);
				}
			});
    	}
    	break;
    }
}
 

@Override
public void onBrowserEvent(Event event) {
	switch (DOM.eventGetType(event)) {
	case Event.ONKEYPRESS:
		MenuItem item = iAccessKeys.get(Character.toLowerCase((char)event.getCharCode()));
		if (item != null) {
			event.stopPropagation();
			event.preventDefault();
			item.getScheduledCommand().execute();
		}
	}
	super.onBrowserEvent(event);
	
}