Moved the Agents into their own repo. Kept the agent.pl just for reference
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/*
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*
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* Copyright (c) 2006-2011 Sam Collett (http://www.texotela.co.uk)
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* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
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* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
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*
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* Version 1.3
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* Demo: http://www.texotela.co.uk/code/jquery/numeric/
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*
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*/
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(function($) {
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/*
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* Allows only valid characters to be entered into input boxes.
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* Note: fixes value when pasting via Ctrl+V, but not when using the mouse to paste
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* side-effect: Ctrl+A does not work, though you can still use the mouse to select (or double-click to select all)
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*
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* @name numeric
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* @param config { decimal : "." , negative : true }
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* @param callback A function that runs if the number is not valid (fires onblur)
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* @author Sam Collett (http://www.texotela.co.uk)
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* @example $(".numeric").numeric();
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* @example $(".numeric").numeric(","); // use , as separater
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* @example $(".numeric").numeric({ decimal : "," }); // use , as separator
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* @example $(".numeric").numeric({ negative : false }); // do not allow negative values
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* @example $(".numeric").numeric(null, callback); // use default values, pass on the 'callback' function
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*
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*/
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$.fn.numeric = function(config, callback)
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{
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if(typeof config === 'boolean')
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{
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config = { decimal: config };
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}
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config = config || {};
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// if config.negative undefined, set to true (default is to allow negative numbers)
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if(typeof config.negative == "undefined") config.negative = true;
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// set decimal point
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var decimal = (config.decimal === false) ? "" : config.decimal || ".";
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// allow negatives
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var negative = (config.negative === true) ? true : false;
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// callback function
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var callback = typeof callback == "function" ? callback : function(){};
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// set data and methods
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return this.data("numeric.decimal", decimal).data("numeric.negative", negative).data("numeric.callback", callback).keypress($.fn.numeric.keypress).keyup($.fn.numeric.keyup).blur($.fn.numeric.blur);
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}
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$.fn.numeric.keypress = function(e)
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{
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// get decimal character and determine if negatives are allowed
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var decimal = $.data(this, "numeric.decimal");
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var negative = $.data(this, "numeric.negative");
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// get the key that was pressed
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var key = e.charCode ? e.charCode : e.keyCode ? e.keyCode : 0;
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// allow enter/return key (only when in an input box)
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if(key == 13 && this.nodeName.toLowerCase() == "input")
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{
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return true;
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}
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else if(key == 13)
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{
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return false;
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}
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var allow = false;
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// allow Ctrl+A
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if((e.ctrlKey && key == 97 /* firefox */) || (e.ctrlKey && key == 65) /* opera */) return true;
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// allow Ctrl+X (cut)
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if((e.ctrlKey && key == 120 /* firefox */) || (e.ctrlKey && key == 88) /* opera */) return true;
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// allow Ctrl+C (copy)
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if((e.ctrlKey && key == 99 /* firefox */) || (e.ctrlKey && key == 67) /* opera */) return true;
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// allow Ctrl+Z (undo)
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if((e.ctrlKey && key == 122 /* firefox */) || (e.ctrlKey && key == 90) /* opera */) return true;
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// allow or deny Ctrl+V (paste), Shift+Ins
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if((e.ctrlKey && key == 118 /* firefox */) || (e.ctrlKey && key == 86) /* opera */
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|| (e.shiftKey && key == 45)) return true;
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// if a number was not pressed
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if(key < 48 || key > 57)
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{
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/* '-' only allowed at start and if negative numbers allowed */
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if(this.value.indexOf("-") != 0 && negative && key == 45 && (this.value.length == 0 || ($.fn.getSelectionStart(this)) == 0)) return true;
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/* only one decimal separator allowed */
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if(decimal && key == decimal.charCodeAt(0) && this.value.indexOf(decimal) != -1)
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{
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allow = false;
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}
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// check for other keys that have special purposes
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if(
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key != 8 /* backspace */ &&
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key != 9 /* tab */ &&
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key != 13 /* enter */ &&
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key != 35 /* end */ &&
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key != 36 /* home */ &&
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key != 37 /* left */ &&
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key != 39 /* right */ &&
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key != 46 /* del */
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)
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{
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allow = false;
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}
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else
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{
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// for detecting special keys (listed above)
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// IE does not support 'charCode' and ignores them in keypress anyway
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if(typeof e.charCode != "undefined")
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{
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// special keys have 'keyCode' and 'which' the same (e.g. backspace)
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if(e.keyCode == e.which && e.which != 0)
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{
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allow = true;
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// . and delete share the same code, don't allow . (will be set to true later if it is the decimal point)
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if(e.which == 46) allow = false;
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}
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// or keyCode != 0 and 'charCode'/'which' = 0
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else if(e.keyCode != 0 && e.charCode == 0 && e.which == 0)
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{
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allow = true;
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}
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}
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}
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// if key pressed is the decimal and it is not already in the field
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if(decimal && key == decimal.charCodeAt(0))
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{
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if(this.value.indexOf(decimal) == -1)
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{
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allow = true;
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}
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else
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{
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allow = false;
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}
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}
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}
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else
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{
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allow = true;
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}
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return allow;
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}
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$.fn.numeric.keyup = function(e)
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{
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var val = this.value;
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if(val.length > 0)
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{
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// get carat (cursor) position
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var carat = $.fn.getSelectionStart(this);
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// get decimal character and determine if negatives are allowed
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var decimal = $.data(this, "numeric.decimal");
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var negative = $.data(this, "numeric.negative");
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// prepend a 0 if necessary
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if(decimal != "")
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{
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// find decimal point
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var dot = val.indexOf(decimal);
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// if dot at start, add 0 before
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if(dot == 0)
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{
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this.value = "0" + val;
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}
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// if dot at position 1, check if there is a - symbol before it
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if(dot == 1 && val.charAt(0) == "-")
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{
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this.value = "-0" + val.substring(1);
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}
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val = this.value;
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}
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// if pasted in, only allow the following characters
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var validChars = [0,1,2,3,4,5,6,7,8,9,'-',decimal];
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// get length of the value (to loop through)
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var length = val.length;
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// loop backwards (to prevent going out of bounds)
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for(var i = length - 1; i >= 0; i--)
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{
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var ch = val.charAt(i);
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// remove '-' if it is in the wrong place
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if(i != 0 && ch == "-")
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{
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val = val.substring(0, i) + val.substring(i + 1);
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}
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// remove character if it is at the start, a '-' and negatives aren't allowed
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else if(i == 0 && !negative && ch == "-")
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{
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val = val.substring(1);
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}
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var validChar = false;
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// loop through validChars
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for(var j = 0; j < validChars.length; j++)
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{
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// if it is valid, break out the loop
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if(ch == validChars[j])
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{
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validChar = true;
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break;
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}
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}
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// if not a valid character, or a space, remove
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if(!validChar || ch == " ")
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{
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val = val.substring(0, i) + val.substring(i + 1);
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}
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}
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// remove extra decimal characters
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var firstDecimal = val.indexOf(decimal);
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if(firstDecimal > 0)
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{
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for(var i = length - 1; i > firstDecimal; i--)
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{
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var ch = val.charAt(i);
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// remove decimal character
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if(ch == decimal)
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{
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val = val.substring(0, i) + val.substring(i + 1);
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}
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}
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}
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// set the value and prevent the cursor moving to the end
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this.value = val;
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$.fn.setSelection(this, carat);
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}
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}
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$.fn.numeric.blur = function()
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{
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var decimal = $.data(this, "numeric.decimal");
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var callback = $.data(this, "numeric.callback");
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var val = this.value;
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if(val != "")
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{
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var re = new RegExp("^\\d+$|\\d*" + decimal + "\\d+");
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if(!re.exec(val))
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{
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callback.apply(this);
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}
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}
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}
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$.fn.removeNumeric = function()
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{
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return this.data("numeric.decimal", null).data("numeric.negative", null).data("numeric.callback", null).unbind("keypress", $.fn.numeric.keypress).unbind("blur", $.fn.numeric.blur);
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}
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// Based on code from http://javascript.nwbox.com/cursor_position/ (Diego Perini <dperini@nwbox.com>)
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$.fn.getSelectionStart = function(o)
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{
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if (o.createTextRange)
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{
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var r = document.selection.createRange().duplicate();
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r.moveEnd('character', o.value.length);
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if (r.text == '') return o.value.length;
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return o.value.lastIndexOf(r.text);
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} else return o.selectionStart;
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}
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// set the selection, o is the object (input), p is the position ([start, end] or just start)
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$.fn.setSelection = function(o, p)
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{
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// if p is number, start and end are the same
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if(typeof p == "number") p = [p, p];
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// only set if p is an array of length 2
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if(p && p.constructor == Array && p.length == 2)
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{
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if (o.createTextRange)
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{
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var r = o.createTextRange();
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r.collapse(true);
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r.moveStart('character', p[0]);
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r.moveEnd('character', p[1]);
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r.select();
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}
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else if(o.setSelectionRange)
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{
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o.focus();
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o.setSelectionRange(p[0], p[1]);
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}
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}
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}
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})(jQuery);
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