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34 lines
894 B
JavaScript
Executable File
34 lines
894 B
JavaScript
Executable File
/**********************************************************************
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*
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*
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*
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**********************************************************************/
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HTMLTextAreaElement.prototype.updateSize = function(){
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this.style.height = ''
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this.style.height = this.scrollHeight + 'px'
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return this }
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HTMLTextAreaElement.prototype.autoUpdateSize = function(){
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var that = this
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this.addEventListener('input',
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function(evt){
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that.updateSize() })
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return this }
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Object.defineProperty(HTMLTextAreaElement.prototype, 'caretLine', {
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enumerable: false,
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get: function(){
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var offset = this.selectionStart
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return offset != null ?
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this.value
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.slice(0, offset)
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.split(/\n/g)
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.length
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: undefined },
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})
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/**********************************************************************
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* vim:set ts=4 sw=4 : */
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