| 1 | /*
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| 2 | *
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| 3 | * Copyright (c) 2006-2009 Sam Collett (http://www.texotela.co.uk)
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| 4 | * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
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| 5 | * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
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| 6 | *
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| 7 | * Version 2.2.4
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| 8 | * Demo: http://www.texotela.co.uk/code/jquery/select/
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| 9 | *
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| 10 | * $LastChangedDate: 2009-02-08 00:28:12 +0000 (Sun, 08 Feb 2009) $
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| 11 | * $Rev: 6185 $
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| 12 | *
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| 13 | */
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| 14 |
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| 15 | ;(function($) {
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| 16 |
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| 17 | /**
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| 18 | * Adds (single/multiple) options to a select box (or series of select boxes)
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| 19 | *
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| 20 | * @name addOption
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| 21 | * @author Sam Collett (http://www.texotela.co.uk)
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| 22 | * @type jQuery
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| 23 | * @example $("#myselect").addOption("Value", "Text"); // add single value (will be selected)
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| 24 | * @example $("#myselect").addOption("Value 2", "Text 2", false); // add single value (won't be selected)
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| 25 | * @example $("#myselect").addOption({"foo":"bar","bar":"baz"}, false); // add multiple values, but don't select
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| 26 | *
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| 27 | */
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| 28 | $.fn.addOption = function()
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| 29 | {
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| 30 | var add = function(el, v, t, sO)
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| 31 | {
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| 32 | var option = document.createElement("option");
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| 33 | option.value = v, option.text = t;
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| 34 | // get options
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| 35 | var o = el.options;
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| 36 | // get number of options
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| 37 | var oL = o.length;
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| 38 | if(!el.cache)
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| 39 | {
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| 40 | el.cache = {};
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| 41 | // loop through existing options, adding to cache
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| 42 | for(var i = 0; i < oL; i++)
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| 43 | {
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| 44 | el.cache[o[i].value] = i;
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| 45 | }
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| 46 | }
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| 47 | // add to cache if it isn't already
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| 48 | if(typeof el.cache[v] == "undefined") el.cache[v] = oL;
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| 49 | el.options[el.cache[v]] = option;
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| 50 | if(sO)
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| 51 | {
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| 52 | option.selected = true;
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| 53 | }
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| 54 | };
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| 55 |
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| 56 | var a = arguments;
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| 57 | if(a.length == 0) return this;
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| 58 | // select option when added? default is true
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| 59 | var sO = true;
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| 60 | // multiple items
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| 61 | var m = false;
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| 62 | // other variables
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| 63 | var items, v, t;
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| 64 | if(typeof(a[0]) == "object")
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| 65 | {
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| 66 | m = true;
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| 67 | items = a[0];
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| 68 | }
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| 69 | if(a.length >= 2)
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| 70 | {
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| 71 | if(typeof(a[1]) == "boolean") sO = a[1];
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| 72 | else if(typeof(a[2]) == "boolean") sO = a[2];
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| 73 | if(!m)
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| 74 | {
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| 75 | v = a[0];
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| 76 | t = a[1];
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| 77 | }
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| 78 | }
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| 79 | this.each(
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| 80 | function()
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| 81 | {
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| 82 | if(this.nodeName.toLowerCase() != "select") return;
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| 83 | if(m)
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| 84 | {
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| 85 | for(var item in items)
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| 86 | {
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| 87 | add(this, item, items[item], sO);
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| 88 | }
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| 89 | }
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| 90 | else
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| 91 | {
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| 92 | add(this, v, t, sO);
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| 93 | }
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| 94 | }
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| 95 | );
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| 96 | return this;
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| 97 | };
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| 98 |
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| 99 | /**
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| 100 | * Add options via ajax
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| 101 | *
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| 102 | * @name ajaxAddOption
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| 103 | * @author Sam Collett (http://www.texotela.co.uk)
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| 104 | * @type jQuery
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| 105 | * @param String url Page to get options from (must be valid JSON)
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| 106 | * @param Object params (optional) Any parameters to send with the request
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| 107 | * @param Boolean select (optional) Select the added options, default true
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| 108 | * @param Function fn (optional) Call this function with the select object as param after completion
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| 109 | * @param Array args (optional) Array with params to pass to the function afterwards
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| 110 | * @example $("#myselect").ajaxAddOption("myoptions.php");
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| 111 | * @example $("#myselect").ajaxAddOption("myoptions.php", {"code" : "007"});
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| 112 | * @example $("#myselect").ajaxAddOption("myoptions.php", {"code" : "007"}, false, sortoptions, [{"dir": "desc"}]);
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| 113 | *
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| 114 | */
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| 115 | $.fn.ajaxAddOption = function(url, params, select, fn, args)
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| 116 | {
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| 117 | if(typeof(url) != "string") return this;
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| 118 | if(typeof(params) != "object") params = {};
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| 119 | if(typeof(select) != "boolean") select = true;
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| 120 | this.each(
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| 121 | function()
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| 122 | {
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| 123 | var el = this;
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| 124 | $.getJSON(url,
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| 125 | params,
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| 126 | function(r)
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| 127 | {
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| 128 | $(el).addOption(r, select);
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| 129 | if(typeof fn == "function")
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| 130 | {
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| 131 | if(typeof args == "object")
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| 132 | {
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| 133 | fn.apply(el, args);
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| 134 | }
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| 135 | else
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| 136 | {
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| 137 | fn.call(el);
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| 138 | }
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| 139 | }
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| 140 | }
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| 141 | );
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| 142 | }
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| 143 | );
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| 144 | return this;
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| 145 | };
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| 146 |
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| 147 | /**
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| 148 | * Removes an option (by value or index) from a select box (or series of select boxes)
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| 149 | *
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| 150 | * @name removeOption
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| 151 | * @author Sam Collett (http://www.texotela.co.uk)
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| 152 | * @type jQuery
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| 153 | * @param String|RegExp|Number what Option to remove
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| 154 | * @param Boolean selectedOnly (optional) Remove only if it has been selected (default false)
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| 155 | * @example $("#myselect").removeOption("Value"); // remove by value
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| 156 | * @example $("#myselect").removeOption(/^val/i); // remove options with a value starting with 'val'
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| 157 | * @example $("#myselect").removeOption(/./); // remove all options
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| 158 | * @example $("#myselect").removeOption(/./, true); // remove all options that have been selected
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| 159 | * @example $("#myselect").removeOption(0); // remove by index
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| 160 | * @example $("#myselect").removeOption(["myselect_1","myselect_2"]); // values contained in passed array
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| 161 | *
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| 162 | */
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| 163 | $.fn.removeOption = function()
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| 164 | {
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| 165 | var a = arguments;
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| 166 | if(a.length == 0) return this;
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| 167 | var ta = typeof(a[0]);
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| 168 | var v, index;
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| 169 | // has to be a string or regular expression (object in IE, function in Firefox)
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| 170 | if(ta == "string" || ta == "object" || ta == "function" )
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| 171 | {
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| 172 | v = a[0];
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| 173 | // if an array, remove items
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| 174 | if(v.constructor == Array)
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| 175 | {
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| 176 | var l = v.length;
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| 177 | for(var i = 0; i<l; i++)
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| 178 | {
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| 179 | this.removeOption(v[i], a[1]);
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| 180 | }
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| 181 | return this;
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| 182 | }
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| 183 | }
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| 184 | else if(ta == "number") index = a[0];
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| 185 | else return this;
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| 186 | this.each(
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| 187 | function()
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| 188 | {
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| 189 | if(this.nodeName.toLowerCase() != "select") return;
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| 190 | // clear cache
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| 191 | if(this.cache) this.cache = null;
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| 192 | // does the option need to be removed?
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| 193 | var remove = false;
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| 194 | // get options
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| 195 | var o = this.options;
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| 196 | if(!!v)
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| 197 | {
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| 198 | // get number of options
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| 199 | var oL = o.length;
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| 200 | for(var i=oL-1; i>=0; i--)
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| 201 | {
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| 202 | if(v.constructor == RegExp)
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| 203 | {
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| 204 | if(o[i].value.match(v))
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| 205 | {
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| 206 | remove = true;
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| 207 | }
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| 208 | }
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| 209 | else if(o[i].value == v)
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| 210 | {
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| 211 | remove = true;
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| 212 | }
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| 213 | // if the option is only to be removed if selected
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| 214 | if(remove && a[1] === true) remove = o[i].selected;
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| 215 | if(remove)
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| 216 | {
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| 217 | o[i] = null;
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| 218 | }
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| 219 | remove = false;
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| 220 | }
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| 221 | }
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| 222 | else
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| 223 | {
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| 224 | // only remove if selected?
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| 225 | if(a[1] === true)
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| 226 | {
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| 227 | remove = o[index].selected;
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| 228 | }
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| 229 | else
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| 230 | {
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| 231 | remove = true;
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| 232 | }
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| 233 | if(remove)
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| 234 | {
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| 235 | this.remove(index);
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| 236 | }
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| 237 | }
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| 238 | }
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| 239 | );
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| 240 | return this;
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| 241 | };
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| 242 |
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| 243 | /**
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| 244 | * Sort options (ascending or descending) in a select box (or series of select boxes)
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| 245 | *
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| 246 | * @name sortOptions
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| 247 | * @author Sam Collett (http://www.texotela.co.uk)
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| 248 | * @type jQuery
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| 249 | * @param Boolean ascending (optional) Sort ascending (true/undefined), or descending (false)
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| 250 | * @example // ascending
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| 251 | * $("#myselect").sortOptions(); // or $("#myselect").sortOptions(true);
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| 252 | * @example // descending
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| 253 | * $("#myselect").sortOptions(false);
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| 254 | *
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| 255 | */
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| 256 | $.fn.sortOptions = function(ascending)
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| 257 | {
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| 258 | // get selected values first
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| 259 | var sel = $(this).selectedValues();
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| 260 | var a = typeof(ascending) == "undefined" ? true : !!ascending;
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| 261 | this.each(
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| 262 | function()
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| 263 | {
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| 264 | if(this.nodeName.toLowerCase() != "select") return;
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| 265 | // get options
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| 266 | var o = this.options;
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| 267 | // get number of options
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| 268 | var oL = o.length;
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| 269 | // create an array for sorting
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| 270 | var sA = [];
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| 271 | // loop through options, adding to sort array
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| 272 | for(var i = 0; i<oL; i++)
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| 273 | {
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| 274 | sA[i] = {
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| 275 | v: o[i].value,
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| 276 | t: o[i].text
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| 277 | }
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| 278 | }
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| 279 | // sort items in array
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| 280 | sA.sort(
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| 281 | function(o1, o2)
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| 282 | {
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| 283 | // option text is made lowercase for case insensitive sorting
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| 284 | o1t = o1.t.toLowerCase(), o2t = o2.t.toLowerCase();
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| 285 | // if options are the same, no sorting is needed
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| 286 | if(o1t == o2t) return 0;
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| 287 | if(a)
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| 288 | {
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| 289 | return o1t < o2t ? -1 : 1;
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| 290 | }
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| 291 | else
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| 292 | {
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| 293 | return o1t > o2t ? -1 : 1;
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| 294 | }
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| 295 | }
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| 296 | );
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| 297 | // change the options to match the sort array
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| 298 | for(var i = 0; i<oL; i++)
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| 299 | {
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| 300 | o[i].text = sA[i].t;
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| 301 | o[i].value = sA[i].v;
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| 302 | }
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| 303 | }
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| 304 | ).selectOptions(sel, true); // select values, clearing existing ones
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| 305 | return this;
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| 306 | };
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| 307 | /**
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| 308 | * Selects an option by value
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| 309 | *
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| 310 | * @name selectOptions
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| 311 | * @author Mathias Bank (http://www.mathias-bank.de), original function
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| 312 | * @author Sam Collett (http://www.texotela.co.uk), addition of regular expression matching
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| 313 | * @type jQuery
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| 314 | * @param String|RegExp|Array value Which options should be selected
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| 315 | * can be a string or regular expression, or an array of strings / regular expressions
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| 316 | * @param Boolean clear Clear existing selected options, default false
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| 317 | * @example $("#myselect").selectOptions("val1"); // with the value 'val1'
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| 318 | * @example $("#myselect").selectOptions(["val1","val2","val3"]); // with the values 'val1' 'val2' 'val3'
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| 319 | * @example $("#myselect").selectOptions(/^val/i); // with the value starting with 'val', case insensitive
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| 320 | *
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| 321 | */
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| 322 | $.fn.selectOptions = function(value, clear)
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| 323 | {
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| 324 | var v = value;
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| 325 | var vT = typeof(value);
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| 326 | // handle arrays
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| 327 | if(vT == "object" && v.constructor == Array)
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| 328 | {
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| 329 | var $this = this;
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| 330 | $.each(v, function()
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| 331 | {
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| 332 | $this.selectOptions(this, clear);
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| 333 | }
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| 334 | );
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| 335 | };
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| 336 | var c = clear || false;
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| 337 | // has to be a string or regular expression (object in IE, function in Firefox)
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| 338 | if(vT != "string" && vT != "function" && vT != "object") return this;
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| 339 | this.each(
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| 340 | function()
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| 341 | {
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| 342 | if(this.nodeName.toLowerCase() != "select") return this;
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| 343 | // get options
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| 344 | var o = this.options;
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| 345 | // get number of options
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| 346 | var oL = o.length;
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| 347 | for(var i = 0; i<oL; i++)
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| 348 | {
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| 349 | if(v.constructor == RegExp)
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| 350 | {
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| 351 | if(o[i].value.match(v))
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| 352 | {
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| 353 | o[i].selected = true;
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| 354 | }
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| 355 | else if(c)
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| 356 | {
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| 357 | o[i].selected = false;
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| 358 | }
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| 359 | }
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| 360 | else
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| 361 | {
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| 362 | if(o[i].value == v)
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| 363 | {
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| 364 | o[i].selected = true;
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| 365 | }
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| 366 | else if(c)
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| 367 | {
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| 368 | o[i].selected = false;
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| 369 | }
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| 370 | }
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| 371 | }
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| 372 | }
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| 373 | );
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| 374 | return this;
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| 375 | };
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| 376 |
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| 377 | /**
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| 378 | * Copy options to another select
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| 379 | *
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| 380 | * @name copyOptions
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| 381 | * @author Sam Collett (http://www.texotela.co.uk)
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| 382 | * @type jQuery
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| 383 | * @param String to Element to copy to
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| 384 | * @param String which (optional) Specifies which options should be copied - 'all' or 'selected'. Default is 'selected'
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| 385 | * @example $("#myselect").copyOptions("#myselect2"); // copy selected options from 'myselect' to 'myselect2'
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| 386 | * @example $("#myselect").copyOptions("#myselect2","selected"); // same as above
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| 387 | * @example $("#myselect").copyOptions("#myselect2","all"); // copy all options from 'myselect' to 'myselect2'
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| 388 | *
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| 389 | */
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| 390 | $.fn.copyOptions = function(to, which)
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| 391 | {
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| 392 | var w = which || "selected";
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| 393 | if($(to).size() == 0) return this;
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| 394 | this.each(
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| 395 | function()
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| 396 | {
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| 397 | if(this.nodeName.toLowerCase() != "select") return this;
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| 398 | // get options
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| 399 | var o = this.options;
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| 400 | // get number of options
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| 401 | var oL = o.length;
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| 402 | for(var i = 0; i<oL; i++)
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| 403 | {
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| 404 | if(w == "all" || (w == "selected" && o[i].selected))
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| 405 | {
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| 406 | $(to).addOption(o[i].value, o[i].text);
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| 407 | }
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| 408 | }
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| 409 | }
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| 410 | );
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| 411 | return this;
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| 412 | };
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| 413 |
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| 414 | /**
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| 415 | * Checks if a select box has an option with the supplied value
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| 416 | *
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| 417 | * @name containsOption
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| 418 | * @author Sam Collett (http://www.texotela.co.uk)
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| 419 | * @type Boolean|jQuery
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| 420 | * @param String|RegExp value Which value to check for. Can be a string or regular expression
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| 421 | * @param Function fn (optional) Function to apply if an option with the given value is found.
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| 422 | * Use this if you don't want to break the chaining
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| 423 | * @example if($("#myselect").containsOption("val1")) alert("Has an option with the value 'val1'");
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| 424 | * @example if($("#myselect").containsOption(/^val/i)) alert("Has an option with the value starting with 'val'");
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| 425 | * @example $("#myselect").containsOption("val1", copyoption).doSomethingElseWithSelect(); // calls copyoption (user defined function) for any options found, chain is continued
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| 426 | *
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| 427 | */
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| 428 | $.fn.containsOption = function(value, fn)
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| 429 | {
|
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| 430 | var found = false;
|
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| 431 | var v = value;
|
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| 432 | var vT = typeof(v);
|
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| 433 | var fT = typeof(fn);
|
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| 434 | // has to be a string or regular expression (object in IE, function in Firefox)
|
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| 435 | if(vT != "string" && vT != "function" && vT != "object") return fT == "function" ? this: found;
|
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| 436 | this.each(
|
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| 437 | function()
|
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| 438 | {
|
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| 439 | if(this.nodeName.toLowerCase() != "select") return this;
|
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| 440 | // option already found
|
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| 441 | if(found && fT != "function") return false;
|
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| 442 | // get options
|
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| 443 | var o = this.options;
|
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| 444 | // get number of options
|
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| 445 | var oL = o.length;
|
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| 446 | for(var i = 0; i<oL; i++)
|
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| 447 | {
|
|---|
| 448 | if(v.constructor == RegExp)
|
|---|
| 449 | {
|
|---|
| 450 | if (o[i].value.match(v))
|
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| 451 | {
|
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| 452 | found = true;
|
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| 453 | if(fT == "function") fn.call(o[i], i);
|
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| 454 | }
|
|---|
| 455 | }
|
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| 456 | else
|
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| 457 | {
|
|---|
| 458 | if (o[i].value == v)
|
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| 459 | {
|
|---|
| 460 | found = true;
|
|---|
| 461 | if(fT == "function") fn.call(o[i], i);
|
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| 462 | }
|
|---|
| 463 | }
|
|---|
| 464 | }
|
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| 465 | }
|
|---|
| 466 | );
|
|---|
| 467 | return fT == "function" ? this : found;
|
|---|
| 468 | };
|
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| 469 |
|
|---|
| 470 | /**
|
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| 471 | * Returns values which have been selected
|
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| 472 | *
|
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| 473 | * @name selectedValues
|
|---|
| 474 | * @author Sam Collett (http://www.texotela.co.uk)
|
|---|
| 475 | * @type Array
|
|---|
| 476 | * @example $("#myselect").selectedValues();
|
|---|
| 477 | *
|
|---|
| 478 | */
|
|---|
| 479 | $.fn.selectedValues = function()
|
|---|
| 480 | {
|
|---|
| 481 | var v = [];
|
|---|
| 482 | this.selectedOptions().each(
|
|---|
| 483 | function()
|
|---|
| 484 | {
|
|---|
| 485 | v[v.length] = this.value;
|
|---|
| 486 | }
|
|---|
| 487 | );
|
|---|
| 488 | return v;
|
|---|
| 489 | };
|
|---|
| 490 |
|
|---|
| 491 | /**
|
|---|
| 492 | * Returns text which has been selected
|
|---|
| 493 | *
|
|---|
| 494 | * @name selectedTexts
|
|---|
| 495 | * @author Sam Collett (http://www.texotela.co.uk)
|
|---|
| 496 | * @type Array
|
|---|
| 497 | * @example $("#myselect").selectedTexts();
|
|---|
| 498 | *
|
|---|
| 499 | */
|
|---|
| 500 | $.fn.selectedTexts = function()
|
|---|
| 501 | {
|
|---|
| 502 | var t = [];
|
|---|
| 503 | this.selectedOptions().each(
|
|---|
| 504 | function()
|
|---|
| 505 | {
|
|---|
| 506 | t[t.length] = this.text;
|
|---|
| 507 | }
|
|---|
| 508 | );
|
|---|
| 509 | return t;
|
|---|
| 510 | };
|
|---|
| 511 |
|
|---|
| 512 | /**
|
|---|
| 513 | * Returns options which have been selected
|
|---|
| 514 | *
|
|---|
| 515 | * @name selectedOptions
|
|---|
| 516 | * @author Sam Collett (http://www.texotela.co.uk)
|
|---|
| 517 | * @type jQuery
|
|---|
| 518 | * @example $("#myselect").selectedOptions();
|
|---|
| 519 | *
|
|---|
| 520 | */
|
|---|
| 521 | $.fn.selectedOptions = function()
|
|---|
| 522 | {
|
|---|
| 523 | return this.find("option:selected");
|
|---|
| 524 | };
|
|---|
| 525 |
|
|---|
| 526 | })(jQuery); |
|---|
