@popperjs/core#Placement TypeScript Examples

The following examples show how to use @popperjs/core#Placement. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: popper.directive.ts    From TypeFast with MIT License 6 votes vote down vote up 
ngOnInit(): void {
    let tooltipEl = this.el.nativeElement.getElementsByClassName(
      'tooltip'
    )[0] as HTMLElement;

    if (this.text) {
      tooltipEl = document.createElement('div');
      tooltipEl.className = 'tooltip';
      tooltipEl.innerText = this.text;
      document.body.appendChild(tooltipEl);
    }
    this.popper = createPopper(this.el.nativeElement, tooltipEl, {
      placement: 'right' as Placement,
    });
  }
Example #2
Source File: Popper.tsx    From mantine with MIT License 4 votes vote down vote up 
export function Popper<T extends HTMLElement = HTMLDivElement>({
  position = 'top',
  placement = 'center',
  gutter = 5,
  arrowSize = 2,
  arrowDistance = 2,
  withArrow = false,
  referenceElement,
  children,
  mounted,
  transition = 'pop-top-left',
  transitionDuration,
  exitTransitionDuration = transitionDuration,
  transitionTimingFunction,
  arrowClassName,
  arrowStyle,
  zIndex = getDefaultZIndex('popover'),
  forceUpdateDependencies = [],
  modifiers = [],
  onTransitionEnd,
  withinPortal = true,
}: PopperProps<T>) {
  const padding = withArrow ? gutter + arrowSize : gutter;
  const { classes, cx, theme } = useStyles({ arrowSize, arrowDistance }, { name: 'Popper' });
  const [popperElement, setPopperElement] = useState(null);
  const _placement = flipPlacement(placement, theme.dir);
  const _position = flipPosition(position, theme.dir);

  const initialPlacement: Placement =
    _placement === 'center' ? _position : `${_position}-${_placement}`;

  const { styles, attributes, forceUpdate } = usePopper(referenceElement, popperElement, {
    placement: initialPlacement,
    modifiers: [
      {
        name: 'offset',
        options: {
          offset: [0, padding],
        },
      },
      ...modifiers,
    ],
  });

  const parsedAttributes = parsePopperPosition(attributes.popper?.['data-popper-placement']);

  useDidUpdate(() => {
    typeof forceUpdate === 'function' && forceUpdate();
  }, forceUpdateDependencies);

  return (
    <Transition
      mounted={mounted && !!referenceElement}
      duration={transitionDuration}
      exitDuration={exitTransitionDuration}
      transition={transition}
      timingFunction={transitionTimingFunction}
      onExited={onTransitionEnd}
    >
      {(transitionStyles) => (
        <div>
          <PopperContainer withinPortal={withinPortal} zIndex={zIndex}>
            <div
              ref={setPopperElement}
              style={{
                ...styles.popper,
                pointerEvents: 'none',
              }}
              {...attributes.popper}
            >
              <div style={transitionStyles}>
                {children}
                {withArrow && (
                  <div
                    style={arrowStyle}
                    className={cx(
                      classes.arrow,
                      classes[parsedAttributes.placement],
                      classes[parsedAttributes.position],
                      arrowClassName
                    )}
                  />
                )}
              </div>
            </div>
          </PopperContainer>
        </div>
      )}
    </Transition>
  );
}
Example #3
Source File: SelectDropdown.tsx    From mantine with MIT License 4 votes vote down vote up 
SelectDropdown = forwardRef<HTMLDivElement, SelectDropdownProps>(
  (
    {
      mounted,
      transition,
      transitionDuration,
      transitionTimingFunction,
      uuid,
      shadow,
      maxDropdownHeight,
      withinPortal = true,
      children,
      classNames,
      styles,
      dropdownComponent,
      referenceElement,
      direction = 'column',
      onDirectionChange,
      switchDirectionOnFlip = false,
      zIndex = getDefaultZIndex('popover'),
      dropdownPosition = 'flip',
      __staticSelector,
      positionDependencies = [],
    }: SelectDropdownProps,
    ref
  ) => {
    const { classes } = useStyles(
      { native: dropdownComponent !== SelectScrollArea },
      { classNames, styles, name: __staticSelector }
    );

    const previousPlacement = useRef<Placement>('bottom');

    return (
      <Popper
        referenceElement={referenceElement}
        mounted={mounted}
        transition={transition}
        transitionDuration={transitionDuration}
        exitTransitionDuration={0}
        transitionTimingFunction={transitionTimingFunction}
        position={dropdownPosition === 'flip' ? 'bottom' : dropdownPosition}
        withinPortal={withinPortal}
        forceUpdateDependencies={positionDependencies}
        zIndex={zIndex}
        modifiers={[
          {
            name: 'preventOverflow',
            enabled: false,
          },
          {
            name: 'flip',
            enabled: dropdownPosition === 'flip',
          },
          {
            // @ts-ignore
            name: 'sameWidth',
            enabled: true,
            phase: 'beforeWrite',
            requires: ['computeStyles'],
            fn: ({ state }) => {
              // eslint-disable-next-line no-param-reassign
              state.styles.popper.width = `${state.rects.reference.width}px`;
            },
            effect: ({ state }) => {
              // eslint-disable-next-line no-param-reassign
              state.elements.popper.style.width = `${state.elements.reference.offsetWidth}px`;
            },
          },
          {
            // @ts-ignore
            name: 'directionControl',
            enabled: true,
            phase: 'main',
            fn: ({ state }) => {
              if (previousPlacement.current !== state.placement) {
                previousPlacement.current = state.placement;

                const nextDirection = state.placement === 'top' ? 'column-reverse' : 'column';

                if (direction !== nextDirection && switchDirectionOnFlip) {
                  onDirectionChange && onDirectionChange(nextDirection);
                }
              }
            },
          },
        ]}
      >
        <div style={{ maxHeight: maxDropdownHeight, display: 'flex' }}>
          <Paper<'div'>
            radius="sm"
            component={(dropdownComponent || 'div') as any}
            id={`${uuid}-items`}
            aria-labelledby={`${uuid}-label`}
            role="listbox"
            className={classes.dropdown}
            shadow={shadow}
            ref={ref}
            onMouseDown={(event) => event.preventDefault()}
          >
            <div style={{ display: 'flex', flexDirection: direction, width: '100%' }}>
              {children}
            </div>
          </Paper>
        </div>
      </Popper>
    );
  }
)