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1
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(function ($) {
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2
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3
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Drupal.behaviors.textarea = {
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4
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attach: function (context, settings) {
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5
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$('.form-textarea-wrapper.resizable', context).once('textarea', function () {
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6
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var staticOffset = null;
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7
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var textarea = $(this).addClass('resizable-textarea').find('textarea');
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8
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var grippie = $('<div class="grippie"></div>').mousedown(startDrag);
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9
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10
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grippie.insertAfter(textarea);
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11
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12
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function startDrag(e) {
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13
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staticOffset = textarea.height() - e.pageY;
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14
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textarea.css('opacity', 0.25);
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15
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$(document).mousemove(performDrag).mouseup(endDrag);
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return false;
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}
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18
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19
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function performDrag(e) {
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20
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textarea.height(Math.max(32, staticOffset + e.pageY) + 'px');
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21
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return false;
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22
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}
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23
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24
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function endDrag(e) {
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25
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$(document).unbind('mousemove', performDrag).unbind('mouseup', endDrag);
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26
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textarea.css('opacity', 1);
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27
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}
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28
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});
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29
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}
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30
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};
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31
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32
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})(jQuery);
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