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support for cases where input element is in a fixed container #181

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support for cases where input element is in a fixed container #181

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23 changes: 21 additions & 2 deletions dist/mentio.js
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Original file line number Diff line number Diff line change
Expand Up @@ -703,8 +703,7 @@ angular.module('mentio')
selectionEl.css({
top: coordinates.top + 'px',
left: coordinates.left + 'px',
position: 'absolute',
zIndex: 10000,
position: coordinates.fixed ? 'fixed' : 'absolute',
display: 'block'
});

Expand Down Expand Up @@ -1113,12 +1112,32 @@ angular.module('mentio')
return coordinates;
}

// borrowed from jQuery getStyles code
// https://github.com/jquery/jquery/blob/master/src/css/var/getStyles.js
function getStyles (elem) {
// Support: IE <=11 only, Firefox <=30 (#15098, #14150)
// IE throws on elements created in popups
// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
var view = elem.ownerDocument.defaultView;

if ( !view || !view.opener ) {
view = window;
}

return view.getComputedStyle( elem );
}

function localToGlobalCoordinates(ctx, element, coordinates) {
var obj = element;
var iframe = ctx ? ctx.iframe : null;
while(obj) {
coordinates.left += obj.offsetLeft + obj.clientLeft;
coordinates.top += obj.offsetTop + obj.clientTop;

if (getStyles(obj).position == 'fixed') {
coordinates.fixed = true;
}

obj = obj.offsetParent;
if (!obj && iframe) {
obj = iframe;
Expand Down
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