Java Code Examples for com.google.gwt.dom.client.Style#setZIndex()

protected void setCutOutStyle() {
    Style style = getElement().getStyle();
    style.setWidth(100, Unit.PCT);
    style.setHeight(100, Unit.PCT);
    style.setPosition(Position.FIXED);
    style.setTop(0, Unit.PX);
    style.setLeft(0, Unit.PX);
    style.setZIndex(10000);

    focusElement.setClassName(AddinsCssName.MATERIAL_CUTOUT_FOCUS);
    style = focusElement.getStyle();
    style.setProperty("content", "\'\'");
    style.setPosition(Position.ABSOLUTE);
    style.setZIndex(-1);
}
 

/**
 * Gets the computed background color, based on the backgroundColor CSS
 * class.
 */
protected void setupComputedBackgroundColor() {
    // temp is just a widget created to evaluate the computed background
    // color
    MaterialWidget temp = new MaterialWidget(Document.get().createDivElement());
    temp.setBackgroundColor(backgroundColor);

    // setting a style to make it invisible for the user
    Style style = temp.getElement().getStyle();
    style.setPosition(Position.FIXED);
    style.setWidth(1, Unit.PX);
    style.setHeight(1, Unit.PX);
    style.setLeft(-10, Unit.PX);
    style.setTop(-10, Unit.PX);
    style.setZIndex(-10000);

    // adding it to the body (on Chrome the component must be added to the
    // DOM before getting computed values).
    String computed = ColorHelper.setupComputedBackgroundColor(backgroundColor);

    // convert rgb to rgba, considering the opacity field
    if (opacity < 1 && computed.startsWith("rgb(")) {
        computed = computed.replace("rgb(", "rgba(").replace(")", ", " + opacity + ")");
    }

    computedBackgroundColor = computed;
}
 

protected void toggleAffix(Affixed affix) {
	Element e = this.getElement();
	Style style = e.getStyle();

	if (this.affixed != affix) {
		this.clearElementStyle();
		this.affixed = affix;
		StyleUtils.addStyle(e, this.affixed);
	}

	switch (affix) {
		case AFFIX:
			style.setTop(this.offsetTop, Unit.PX);
			style.setWidth(this.offsetWidth, Unit.PX);
			style.setHeight(this.offsetHeight, Unit.PX);
			style.setZIndex(this.layerIndex);
			e.getParentElement().getStyle().setPaddingTop(this.offsetHeight, Unit.PX);
			break;
		case BOTTOM:
			int docHeigth = Document.get().getScrollHeight();
			int scrollTop = Window.getScrollTop();

			int bottom = this.offsetBottom - (docHeigth - scrollTop - this.clientHeigth);
			if (this.fixBottom != Integer.MIN_VALUE) {
				bottom = Math.max(bottom, this.fixBottom);
			}
			style.setPosition(Position.FIXED);
			style.setBottom(bottom, Unit.PX);
			style.setWidth(this.offsetWidth, Unit.PX);
			style.setHeight(this.offsetHeight, Unit.PX);
			style.setZIndex(this.layerIndex);
			break;
		default:
			break;
	}
}
 

public DomTextEditor(Element root) {
  myRoot = root;

  Style rootStyle = myRoot.getStyle();
  rootStyle.setPosition(Style.Position.RELATIVE);

  myTextContainer = DOM.createSpan();
  Style textStyle = myTextContainer.getStyle();
  textStyle.setZIndex(10);
  textStyle.setWhiteSpace(Style.WhiteSpace.NOWRAP);
  myRoot.appendChild(myTextContainer);

  Element caretDiv = DOM.createDiv();
  Style caretStyle = caretDiv.getStyle();
  caretStyle.setPosition(Style.Position.ABSOLUTE);
  caretStyle.setZIndex(10);
  myRoot.appendChild(caretDiv);
  myCaretDiv = caretDiv;

  Element selectionDiv = DOM.createDiv();
  Style selectionStyle = selectionDiv.getStyle();
  selectionStyle.setPosition(Style.Position.ABSOLUTE);
  selectionStyle.setZIndex(1);
  myRoot.appendChild(selectionDiv);
  mySelectionDiv = selectionDiv;

  update();
  updateCaretVisibility();
  updateSelectionVisibility();
  updateCaretAndSelection();
}
 

@Override
public void onMouseDown(MouseDownEvent event) {

    startX = event.getClientX();
    startY = event.getClientY();

    if (isDisabled() || event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
        return;
    }

    clickTarget = Element.as(event.getNativeEvent().getEventTarget());
    mouseMoveCanceled = false;

    if ((weekGrid.getCalendar().isItemMoveAllowed() && getCalendarItem().isMoveable())
            || (clickTargetsResize() && getCalendarItem().isResizeable())) {

        moveRegistration = addMouseMoveHandler(this);
        setFocus(true);
        try {
            startYrelative = (int) ((double) event.getRelativeY(caption) % slotHeight);
            startXrelative = (event.getRelativeX(weekGrid.getElement())
                    - weekGrid.timebar.getOffsetWidth())
                    % getDateCellWidth();
        } catch (Exception e) {
            GWT.log("Exception calculating relative start position", e);
        }
        mouseMoveStarted = false;
        Style s = getElement().getStyle();
        s.setZIndex(1000);
        startDatetimeFrom = (Date) calendarItem.getStartTime().clone();
        startDatetimeTo = (Date) calendarItem.getEndTime().clone();
        Event.setCapture(getElement());
    }

    // make sure the right cursor is always displayed
    if (clickTargetsResize() && getCalendarItem().isResizeable()) {
        addGlobalResizeStyle();
    }

    /*
     * We need to stop the event propagation or else the WeekGrid range
     * select will kick in
     */
    event.stopPropagation();
    event.preventDefault();
}
 

@Override
public void onMouseUp(MouseUpEvent event) {
    if (mouseMoveCanceled
            || event.getNativeButton() != NativeEvent.BUTTON_LEFT) {
        return;
    }

    Event.releaseCapture(getElement());
    setFocus(false);
    if (moveRegistration != null) {
        moveRegistration.removeHandler();
        moveRegistration = null;
    }

    int endX = event.getClientX();
    int endY = event.getClientY();
    int xDiff = 0, yDiff = 0;
    if (startX != -1 && startY != -1) {
        // Drag started
        xDiff = startX - endX;
        yDiff = startY - endY;
    }

    startX = -1;
    startY = -1;
    mouseMoveStarted = false;
    Style s = getElement().getStyle();
    s.setZIndex(1);

    if (!clickTargetsResize()) {

        // check if mouse has moved over threshold of 3 pixels
        boolean mouseMoved = (xDiff < -3 || xDiff > 3 || yDiff < -3 || yDiff > 3);

        if (!weekGrid.getCalendar().isDisabled() && mouseMoved) {
            // Item Move:
            // - calendar must be enabled
            // - calendar must not be in read-only mode
            weekGrid.itemMoved(this);

        } else if (!weekGrid.getCalendar().isDisabled() && getCalendarItem().isClickable()) {
            // Item Click:
            // - calendar must be enabled (read-only is allowed)
            EventTarget et = event.getNativeEvent().getEventTarget();
            Element e = Element.as(et);
            if (e == caption || e == eventContent
                    || e.getParentElement() == caption) {
                if (weekGrid.getCalendar().getItemClickListener() != null) {
                    weekGrid.getCalendar().getItemClickListener().itemClick(calendarItem);
                }
            }
        }

    } else {
        // click targeted resize bar
        removeGlobalResizeStyle();
        if (weekGrid.getCalendar().getItemResizeListener() != null) {
            weekGrid.getCalendar().getItemResizeListener().itemResized(calendarItem);
        }
        dateCell.recalculateItemWidths();
    }
}
 

private void cancelMouseMove() {
    mouseMoveCanceled = true;

    // reset and remove everything related to the event handling
    Event.releaseCapture(getElement());
    setFocus(false);

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

    mouseMoveStarted = false;
    removeGlobalResizeStyle();

    Style s = getElement().getStyle();
    s.setZIndex(1);

    // reset the position of the event
    int dateCellWidth = getDateCellWidth();
    int dayOffset = startXrelative / dateCellWidth;
    s.clearLeft();

    calendarItem.setStartTime(startDatetimeFrom);
    calendarItem.setEndTime(startDatetimeTo);

    long startFromMinutes = (startDatetimeFrom.getHours() * 60)
            + startDatetimeFrom.getMinutes();
    long range = calendarItem.getRangeInMinutes();

    startFromMinutes = calculateStartFromMinute(startFromMinutes,
            startDatetimeFrom, startDatetimeTo, dayOffset);
    if (startFromMinutes < 0) {
        range += startFromMinutes;
    }

    updatePosition(startFromMinutes, range);

    startY = -1;
    startX = -1;

    // to reset the event width
    ((DateCell) getParent()).recalculateItemWidths();
}