| 1 |
(function($) { |
| 2 |
$.fn.caret = function(pos) { |
| 3 |
var target = this[0]; |
| 4 |
var isContentEditable = target.contentEditable === 'true'; |
| 5 |
//get |
| 6 |
if (arguments.length == 0) { |
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//HTML5 |
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if (window.getSelection) { |
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//contenteditable |
| 10 |
if (isContentEditable) { |
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target.focus(); |
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var range1 = window.getSelection().getRangeAt(0), |
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range2 = range1.cloneRange(); |
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range2.selectNodeContents(target); |
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range2.setEnd(range1.endContainer, range1.endOffset); |
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return range2.toString().length; |
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} |
| 18 |
//textarea |
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return target.selectionStart; |
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} |
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//IE<9 |
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if (document.selection) { |
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target.focus(); |
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//contenteditable |
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if (isContentEditable) { |
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var range1 = document.selection.createRange(), |
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range2 = document.body.createTextRange(); |
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range2.moveToElementText(target); |
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range2.setEndPoint('EndToEnd', range1); |
| 30 |
return range2.text.length; |
| 31 |
} |
| 32 |
//textarea |
| 33 |
var pos = 0, |
| 34 |
range = target.createTextRange(), |
| 35 |
range2 = document.selection.createRange().duplicate(), |
| 36 |
bookmark = range2.getBookmark(); |
| 37 |
range.moveToBookmark(bookmark); |
| 38 |
while (range.moveStart('character', -1) !== 0) pos++; |
| 39 |
return pos; |
| 40 |
} |
| 41 |
// Addition for jsdom support |
| 42 |
if (target.selectionStart) |
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return target.selectionStart; |
| 44 |
//not supported |
| 45 |
return 0; |
| 46 |
} |
| 47 |
//set |
| 48 |
if (pos == -1) |
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pos = this[isContentEditable? 'text' : 'val']().length; |
| 50 |
//HTML5 |
| 51 |
if (window.getSelection) { |
| 52 |
//contenteditable |
| 53 |
if (isContentEditable) { |
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target.focus(); |
| 55 |
window.getSelection().collapse(target.firstChild, pos); |
| 56 |
} |
| 57 |
//textarea |
| 58 |
else |
| 59 |
target.setSelectionRange(pos, pos); |
| 60 |
} |
| 61 |
//IE<9 |
| 62 |
else if (document.body.createTextRange) { |
| 63 |
if (isContentEditable) { |
| 64 |
var range = document.body.createTextRange(); |
| 65 |
range.moveToElementText(target); |
| 66 |
range.moveStart('character', pos); |
| 67 |
range.collapse(true); |
| 68 |
range.select(); |
| 69 |
} else { |
| 70 |
var range = target.createTextRange(); |
| 71 |
range.move('character', pos); |
| 72 |
range.select(); |
| 73 |
} |
| 74 |
} |
| 75 |
if (!isContentEditable) |
| 76 |
target.focus(); |
| 77 |
return this; |
| 78 |
} |
| 79 |
})(jQuery); |
