/**
* cust_checkbox_plugin.js
* Copyright (c) 2009 myPocket technologies (www.mypocket-technologies.com)
 
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.

* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.

* View the GNU General Public License <http://www.gnu.org/licenses/>.

* @author Darren Mason (djmason9@gmail.com)
* @date 3/13/2009
* @projectDescription	Replaces the standard HTML form checkbox or radio buttons. Allows for disable, and very customizable.
* @version 1.0.3
* 
* @requires jquery.js (tested with 1.3.2)
* 
* @param disable_all:	false,
* @param wrapperclass:	"group"
*/

(function($) {
    $.fn.custCheckBox = function(options) {

        var defaults = {
            disable_all: false, 			//disables all the elements
            wrapperclass: "group"
        };
        //override defaults
        var opts = $.extend(defaults, options);

        return this.each(function() {
            var obj = $(this);

            $.fn.buildbox = function(thisElm) {

                var currElm = $(thisElm);

                $(currElm).css({ position: "absolute", left:"-3000px" }).before("<span class=\"cust-checkbox\">&nbsp;&nbsp;&nbsp;&nbsp;</span>");

                var isChecked = $(currElm).attr("checked");
                var boxtype = $(currElm).attr("type");
                var disabled = $(currElm).attr("disabled");

                if (boxtype === "checkbox") {
                    $(currElm).prev("span").addClass("checkbox");
                    if (disabled || opts.disable_all) { boxtype = "checkbox-disabled"; }
                }
                else {
                    $(currElm).prev("span").addClass("radio");
                    if (disabled || opts.disable_all) { boxtype = "radio-disabled"; }
                }

                if (isChecked)
                    $(currElm).prev("span").addClass("cust-" + boxtype + "-on");
                else
                    $(currElm).prev("span").addClass("cust-" + boxtype + "-off");

                if (opts.disable_all)
                    $(currElm).attr("disabled", "disabled");
            };

            $.fn.buildbox($(obj));
            $("." + opts.wrapperclass + " label").unbind().click(function() {

                if (!opts.disable_all) {
                    var custbox = $(this).parent().find("span");
                    var boxtype = $(custbox).next("input").attr("type");
                    var disabled = $(custbox).next("input").attr("disabled");

                    if ($(custbox).hasClass("checkbox")) {
                        if ($(custbox).hasClass("cust-" + boxtype + "-off") && !disabled)
                            $(custbox).removeClass("cust-" + boxtype + "-off").addClass("cust-" + boxtype + "-on"); //turn on
                        else if (!disabled)
                            $(custbox).removeClass("cust-" + boxtype + "-on").addClass("cust-" + boxtype + "-off"); //turn off
                    }
                    else if (!disabled) {
                        $(custbox).parent().find(".cust-checkbox").removeClass("cust-" + boxtype + "-on").addClass("cust-" + boxtype + "-off").next("input").removeAttr("checked");
                        $(custbox).removeClass("cust-" + boxtype + "-off").addClass("cust-" + boxtype + "-on"); //turn on
                    }
                }

            });

            $(".cust-checkbox").unbind().click(function() {

                if (!opts.disable_all) {
                    var boxtype = $(this).next("input").attr("type");
                    var disabled = $(this).next("input").attr("disabled");

                    if ($(this).hasClass("checkbox")) {
                        if ($(this).hasClass("cust-" + boxtype + "-off") && !disabled)
                            $(this).removeClass("cust-" + boxtype + "-off").addClass("cust-" + boxtype + "-on").next("input").attr("checked", "checked"); //turn on
                        else if (!disabled)
                            $(this).removeClass("cust-" + boxtype + "-on").addClass("cust-" + boxtype + "-off").next("input").removeAttr("checked"); //turn off
                    }
                    else if (!disabled) {
                        $(this).parent().find(".cust-checkbox").removeClass("cust-" + boxtype + "-on").addClass("cust-" + boxtype + "-off").next("input").removeAttr("checked");
                        $(this).removeClass("cust-" + boxtype + "-off").addClass("cust-" + boxtype + "-on").next("input").attr("checked", "checked"); //turn on
                    }
                }
            });
        });
    };

})(jQuery);