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Auto positioning of tooltip #7996

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Auto positioning of tooltip #7996

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0185054
Auto positioning of tooltip
May 26, 2013
d1f8570
Fixed some errors in ifs and maid code a little more DRY
May 26, 2013
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45 changes: 40 additions & 5 deletions js/tooltip.js
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Original file line number Diff line number Diff line change
Expand Up @@ -152,18 +152,53 @@
var actualWidth = $tip[0].offsetWidth
var actualHeight = $tip[0].offsetHeight

// Get positions
var tpt = {top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}
var tpb = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
var tpr = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}
var tpl = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}

// Get position room
var hast = (tpt.top > $(window).scrollTop())
var hasb = ((tpb.top + actualHeight) < ($(window).scrollTop() + $(window).height()))
var hasr = ((tpr.left + actualWidth) < ($(window).scrollLeft() + $(window).width()))
var hasl = (tpl.left > $(window).scrollLeft())

switch (placement) {
case 'top':
if (!hast) {
placement = hasb ? 'bottom' : (hasr ? 'right' : (hasl ? 'left' : 'right'))
}
break
case 'bottom':
tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
if (!hasb) {
placement = hast ? 'top' : (hasr ? 'right' : (hasl ? 'left' : 'right'))
}
break
case 'top':
tp = {top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}
case 'right':
if (!hasr) {
placement = hasl ? 'left' : (hast ? 'top' : (hasb ? 'bottom' : 'right'))
}
break
case 'left':
tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}
if (!hasl) {
placement = hasr ? 'right' : (hast ? 'top' : (hasb ? 'bottom' : 'right'))
}
break
}

switch (placement) {
case 'top':
tp = tpt;
break
case 'bottom':
tp = tpb;
break
case 'right':
tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}
tp = tpr;
break
case 'left':
tp = tpl;
break
}

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