ÿþ/*

 * TextLimit - jQuery plugin for counting and limiting characters for input and textarea fields

 * 

 * pass '-1' as speed if you don't want the char-deletion effect. (don't just put 0)

 * Example: jQuery("Textarea").textlimit('span.counter',256)

 *

 * $Version: 2009.07.25 +r2

 * Copyright (c) 2009 Yair Even-Or

 * vsync.design@gmail.com

*/

(function(jQuery) {

	jQuery.fn.textlimit=function(counter_el, thelimit, speed) {

		var charDelSpeed = speed || 15;

		var toggleCharDel = speed != -1;

		var toggleTrim = true;

		var that = this[0];

		var isCtrl = false; 

		updateCounter();

		

		function updateCounter(){

			if(typeof that == "object")

				jQuery(counter_el).text("0;8H8;>AO "+(thelimit - that.value.length)+" A8<2>;V2");

		};

		

		this.keydown (function(e){ 

			if(e.which == 17) isCtrl = true;

			var ctrl_a = (e.which == 65 && isCtrl == true) ? true : false; // detect and allow CTRL + A selects all.

			var ctrl_v = (e.which == 86 && isCtrl == true) ? true : false; // detect and allow CTRL + V paste.

			// 8 is 'backspace' and 46 is 'delete'

			if( this.value.length >= thelimit && e.which != '8' && e.which != '46' && ctrl_a == false && ctrl_v == false)

				e.preventDefault();

		})

		.keyup (function(e){

			updateCounter();

			if(e.which == 17)

				isCtrl=false;



			if( this.value.length >= thelimit && toggleTrim ){

				if(toggleCharDel){

					// first, trim the text a bit so the char trimming won't take forever

					// Also check if there are more than 10 extra chars, then trim. just in case.

					if ( (this.value.length - thelimit) > 10 )

						that.value = that.value.substr(0,thelimit+100);

					var init = setInterval

						( 

							function(){ 

								if( that.value.length <= thelimit ){

									init = clearInterval(init); updateCounter() 

								}

								else{

									// deleting extra chars (one by one)

									that.value = that.value.substring(0,that.value.length-1); jQuery(counter_el).text('Trimming... '+(thelimit - that.value.length));

								}

							} ,charDelSpeed 

						);

				}

				else this.value = that.value.substr(0,thelimit);

			}

		});

		

	};

})(jQuery);