drupal/misc/textarea.js

// $Id: textarea.js,v 1.29 2009/04/27 20:19:35 webchick Exp $
(function ($) {

Drupal.behaviors.textarea = {
  attach: function (context, settings) {
    $('textarea.resizable', context).once('textarea', function () {
      // When wrapping the text area, work around an IE margin bug. See:
      // http://jaspan.com/ie-inherited-margin-bug-form-elements-and-haslayout
      var staticOffset = null;
      var textarea = $(this).wrap('<div class="resizable-textarea"><span></span></div>');
      var grippie = $('<div class="grippie"></div>').mousedown(startDrag);

      grippie
        .insertAfter(textarea)
        .css('margin-right', grippie.width() - textarea.width());

      function startDrag(e) {
        staticOffset = textarea.height() - e.pageY;
        textarea.css('opacity', 0.25);
        $(document).mousemove(performDrag).mouseup(endDrag);
        return false;
      }

      function performDrag(e) {
        textarea.height(Math.max(32, staticOffset + e.pageY) + 'px');
        return false;
      }

      function endDrag(e) {
        $(document).unbind('mousemove', performDrag).unbind('mouseup', endDrag);
        textarea.css('opacity', 1);
      }
    });
  }
};

})(jQuery);
1	// $Id: textarea.js,v 1.29 2009/04/27 20:19:35 webchick Exp $
2	(function ($) {
3
4	Drupal.behaviors.textarea = {
5	attach: function (context, settings) {
6	$('textarea.resizable', context).once('textarea', function () {
7	// When wrapping the text area, work around an IE margin bug. See:
8	// http://jaspan.com/ie-inherited-margin-bug-form-elements-and-haslayout
9	var staticOffset = null;
10	var textarea = $(this).wrap('<div class="resizable-textarea"><span></span></div>');
11	var grippie = $('<div class="grippie"></div>').mousedown(startDrag);
12
13	grippie
14	.insertAfter(textarea)
15	.css('margin-right', grippie.width() - textarea.width());
16
17	function startDrag(e) {
18	staticOffset = textarea.height() - e.pageY;
19	textarea.css('opacity', 0.25);
20	$(document).mousemove(performDrag).mouseup(endDrag);
21	return false;
22	}
23
24	function performDrag(e) {
25	textarea.height(Math.max(32, staticOffset + e.pageY) + 'px');
26	return false;
27	}
28
29	function endDrag(e) {
30	$(document).unbind('mousemove', performDrag).unbind('mouseup', endDrag);
31	textarea.css('opacity', 1);
32	}
33	});
34	}
35	};
36
37	})(jQuery);