Class Position

Object
   |
   +--Position

class Position

Defined in prototype.js

Field Detail

_offsetParent

<static> Object _offsetParent

Fix prototype's Position.offsetParent() to not screw up when element is BODY, HTML, or #document.

includeScrollOffsets

<static> Object includeScrollOffsets

Point

<static> Object Point

Rect

<static> Object Rect

Rectangle with left, top, right, and bottom properties.

Position

Position()

absolutize

<static> Object absolutize(element)

calculateZIndex

<static> Object calculateZIndex(element)

Calculates the z-index for the specified element, caching for later lookup.

Parameters:
element - Element object or id.

Returns:
Zero if element is at default z-index, else the element's custom z-index.

center

<static> void center(element)

Centers the specified element horizontally and vertically within its parent container.

Parameters:
element - Element object or id.

centerInWindow

<static> void centerInWindow(element)

Centers the specified element horizontally and vertically within the window.

Parameters:
element - Element object or id.

clone

<static> Object clone(source, target, options)

cumulativeOffset

<static> Object cumulativeOffset(tagName, attributes)

expandToWindowBottom

<static> void expandToWindowBottom(element)

Expands the specified element vertically to the bottom of the window.

Parameters:
element - Element object or id (element must have an id).

offsetParent

<static> Object offsetParent(tagName, attributes)

overlap

<static> Object overlap(mode, element)

page

<static> Object page(tagName, attributes)

positionedOffset

<static> Object positionedOffset(tagName, attributes)

positionPopup

<static> void positionPopup(element, options)

Position popup element just below specified target, ready to be displayed (but doesn't actually show the popup element).

Parameters:
element - Element to popup.
options - Map of options:

prepare

<static> void prepare()

realOffset

<static> Object realOffset(tagName, attributes)

relativize

<static> Object relativize(element)

scrollOffsets

<static> void scrollOffsets()

Returns object with two properties:

x

horizontal scroll offset

y

vertical scroll offset

windowDimensions

<static> Object windowDimensions()

Returns object with two properties:

x

window width

y

window height

within

<static> Object within(element, x, y)

withinIncludingScrolloffsets

<static> Object withinIncludingScrolloffsets(element, x, y, xfudge, yfudge)

Override prototype's Position.withinIncludingScrolloffsets() to include optional fudge factor.

Parameters:
element - Element to determine if point (x,y) lies within.
x - Point horizontal coordinate.
y - Point vertical coordinate.
xfudge - (optional) Horizontal fudge factor (defaults to zero).
yfudge - (optional) Vertical fudge factor (defaults to xfudge).