Team:Queens Canada/Javascript/Mousehold

From 2012.igem.org

Revision as of 20:26, 6 June 2012 by P.tsang (Talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

/**

* jQuery mousehold plugin - fires an event while the mouse is clicked down.
* Additionally, the function, when executed, is passed a single
* argument representing the count of times the event has been fired during
* this session of the mouse hold.
*
* @author Remy Sharp (leftlogic.com)
* @date 2006-12-15
* @example $("img").mousehold(200, function(i){  })
* @desc Repeats firing the passed function while the mouse is clicked down
*
* @name mousehold
* @type jQuery
* @param Number timeout The frequency to repeat the event in milliseconds
* @param Function fn A function to execute
* @cat Plugin
*/

jQuery.fn.mousehold = function(timeout, f) { if (timeout && typeof timeout == 'function') { f = timeout; timeout = 100; } if (f && typeof f == 'function') { var timer = 0; var fireStep = 0; return this.each(function() { jQuery(this).mousedown(function() { fireStep = 1; var ctr = 0; var t = this; timer = setInterval(function() { ctr++; f.call(t, ctr); fireStep = 2; }, timeout); })

clearMousehold = function() { clearInterval(timer); if (fireStep == 1) f.call(this, 1); fireStep = 0; }

jQuery(this).mouseout(clearMousehold); jQuery(this).mouseup(clearMousehold); }) } }