| 1 |
/*
|
| 2 |
*
|
| 3 |
* Copyright (c) 2006/2007 Sam Collett (http://www.texotela.co.uk)
|
| 4 |
* Licensed under the MIT License:
|
| 5 |
* http://www.opensource.org/licenses/mit-license.php
|
| 6 |
*
|
| 7 |
* 20 February 2007
|
| 8 |
* removeOption can now take a regular expression
|
| 9 |
* (useful if you want to remove multiple options in one go)
|
| 10 |
*
|
| 11 |
* 13 February 2007
|
| 12 |
* addOption can also replace options that already exist with the same value
|
| 13 |
* selectOptions can clear previously selected options
|
| 14 |
* new copyOptions now allows you to copy options from one select to another
|
| 15 |
*
|
| 16 |
* 2 February 2007
|
| 17 |
* Fix for Safari 2.0 - couldn't add option
|
| 18 |
*
|
| 19 |
* 5 December 2006
|
| 20 |
* Select option(s) by value with 'selectOptions'
|
| 21 |
* Based on code by Mathias Bank (http://www.mathias-bank.de)
|
| 22 |
*
|
| 23 |
*/
|
| 24 |
|
| 25 |
(function($) {
|
| 26 |
|
| 27 |
/**
|
| 28 |
* Adds (single/multiple) options to a select box (or series of select boxes)
|
| 29 |
*
|
| 30 |
* @name addOption
|
| 31 |
* @author Sam Collett (http://www.texotela.co.uk)
|
| 32 |
* @type jQuery
|
| 33 |
* @example $("#myselect").addOption("Value", "Text"); // add single value (will be selected)
|
| 34 |
* @example $("#myselect").addOption("Value 2", "Text 2", false); // add single value (won't be selected)
|
| 35 |
* @example $("#myselect").addOption({"foo":"bar","bar":"baz"}, false); // add multiple values, but don't select
|
| 36 |
*
|
| 37 |
*/
|
| 38 |
$.fn.addOption = function()
|
| 39 |
{
|
| 40 |
var a = arguments;
|
| 41 |
if(a.length == 0) return this;
|
| 42 |
// select option when added? default is true
|
| 43 |
var sO = true;
|
| 44 |
// multiple items
|
| 45 |
var m = false;
|
| 46 |
if(typeof a[0] == "object")
|
| 47 |
{
|
| 48 |
m = true;
|
| 49 |
var items = a[0];
|
| 50 |
}
|
| 51 |
if(a.length >= 2)
|
| 52 |
{
|
| 53 |
if(typeof a[1] == "boolean") sO = a[1];
|
| 54 |
else if(typeof a[2] == "boolean") sO = a[2];
|
| 55 |
if(!m)
|
| 56 |
{
|
| 57 |
var v = a[0];
|
| 58 |
var t = a[1];
|
| 59 |
}
|
| 60 |
}
|
| 61 |
this.each(
|
| 62 |
function()
|
| 63 |
{
|
| 64 |
if(this.nodeName.toLowerCase() != "select") return;
|
| 65 |
if(m)
|
| 66 |
{
|
| 67 |
|
| 68 |
for(var i in items)
|
| 69 |
{
|
| 70 |
$(this).addOption(i, items[i], sO);
|
| 71 |
}
|
| 72 |
}
|
| 73 |
else
|
| 74 |
{
|
| 75 |
var option = document.createElement("option");
|
| 76 |
option.value = v;
|
| 77 |
option.text = t;
|
| 78 |
var i;
|
| 79 |
var r = false;
|
| 80 |
// get options
|
| 81 |
var o = this.options;
|
| 82 |
// get number of options
|
| 83 |
var oL = o.length;
|
| 84 |
// loop through existing options
|
| 85 |
for(i = 0; i < oL; i++)
|
| 86 |
{
|
| 87 |
// replace existing option
|
| 88 |
if(o[i].value == option.value)
|
| 89 |
{
|
| 90 |
r = true;
|
| 91 |
break;
|
| 92 |
}
|
| 93 |
}
|
| 94 |
if(i < oL && !r) i = oL;
|
| 95 |
this.options[i] = option;
|
| 96 |
if(sO)
|
| 97 |
{
|
| 98 |
o[i].selected = true;
|
| 99 |
}
|
| 100 |
}
|
| 101 |
}
|
| 102 |
)
|
| 103 |
return this;
|
| 104 |
}
|
| 105 |
|
| 106 |
/**
|
| 107 |
* Add options via ajax
|
| 108 |
*
|
| 109 |
* @name ajaxAddOption
|
| 110 |
* @author Sam Collett (http://www.texotela.co.uk)
|
| 111 |
* @type jQuery
|
| 112 |
* @param String url Page to get options from (must be valid JSON)
|
| 113 |
* @param Object params (optional) Any parameters to send with the request
|
| 114 |
* @param Boolean select (optional) Select the added options, default true
|
| 115 |
* @example $("#myselect").ajaxAddOption("myoptions.php");
|
| 116 |
*
|
| 117 |
*/
|
| 118 |
$.fn.ajaxAddOption = function(url, params, select)
|
| 119 |
{
|
| 120 |
if(typeof url != "string") return this;
|
| 121 |
if(typeof params != "object") params = {};
|
| 122 |
if(typeof select != "boolean") select = true;
|
| 123 |
this.each(
|
| 124 |
function()
|
| 125 |
{
|
| 126 |
var self = this;
|
| 127 |
$.getJSON(url,
|
| 128 |
params,
|
| 129 |
function(r)
|
| 130 |
{
|
| 131 |
$(self).addOption(r, select);
|
| 132 |
}
|
| 133 |
);
|
| 134 |
}
|
| 135 |
)
|
| 136 |
return this;
|
| 137 |
}
|
| 138 |
|
| 139 |
/**
|
| 140 |
* Removes an option (by value or index) from a select box (or series of select boxes)
|
| 141 |
*
|
| 142 |
* @name removeOption
|
| 143 |
* @author Sam Collett (http://www.texotela.co.uk)
|
| 144 |
* @type jQuery
|
| 145 |
* @param String|RegExp|Number Option to remove
|
| 146 |
* @example $("#myselect").removeOption("Value"); // remove by value
|
| 147 |
* @example $("#myselect").removeOption(/^val/i); // remove options with a value starting with 'val'
|
| 148 |
* @example $("#myselect").removeOption(/./); // remove all options
|
| 149 |
* @example $("#myselect").removeOption(0); // remove by index
|
| 150 |
*
|
| 151 |
*/
|
| 152 |
$.fn.removeOption = function()
|
| 153 |
{
|
| 154 |
var a = arguments;
|
| 155 |
if(a.length == 0) return this;
|
| 156 |
var ta = typeof a[0];
|
| 157 |
if(ta == "string") var v = a[0];
|
| 158 |
else if(ta == "object" || ta == "function") var v = a[0]; /* regular expression */
|
| 159 |
else if(ta == "number") var i = a[0];
|
| 160 |
else return this;
|
| 161 |
this.each(
|
| 162 |
function()
|
| 163 |
{
|
| 164 |
if(this.nodeName.toLowerCase() != "select") return;
|
| 165 |
if(v)
|
| 166 |
{
|
| 167 |
// get options
|
| 168 |
var o = this.options;
|
| 169 |
// get number of options
|
| 170 |
var oL = o.length;
|
| 171 |
for(var i=oL-1; i>=0; i--)
|
| 172 |
{
|
| 173 |
if(v.constructor == RegExp)
|
| 174 |
{
|
| 175 |
if (o[i].value.match(v))
|
| 176 |
{
|
| 177 |
o[i] = null;
|
| 178 |
}
|
| 179 |
}
|
| 180 |
else if(o[i].value == v)
|
| 181 |
{
|
| 182 |
o[i] = null;
|
| 183 |
}
|
| 184 |
}
|
| 185 |
}
|
| 186 |
else
|
| 187 |
{
|
| 188 |
this.remove(i);
|
| 189 |
}
|
| 190 |
}
|
| 191 |
)
|
| 192 |
return this;
|
| 193 |
}
|
| 194 |
|
| 195 |
/**
|
| 196 |
* Sort options (ascending or descending) in a select box (or series of select boxes)
|
| 197 |
*
|
| 198 |
* @name sortOptions
|
| 199 |
* @author Sam Collett (http://www.texotela.co.uk)
|
| 200 |
* @type jQuery
|
| 201 |
* @param Boolean ascending (optional) Sort ascending (true/undefined), or descending (false)
|
| 202 |
* @example // ascending
|
| 203 |
* $("#myselect").sortOptions(); // or $("#myselect").sortOptions(true);
|
| 204 |
* @example // descending
|
| 205 |
* $("#myselect").sortOptions(false);
|
| 206 |
*
|
| 207 |
*/
|
| 208 |
$.fn.sortOptions = function(ascending)
|
| 209 |
{
|
| 210 |
var a = typeof ascending == "undefined" ? true : ascending;
|
| 211 |
this.each(
|
| 212 |
function()
|
| 213 |
{
|
| 214 |
if(this.nodeName.toLowerCase() != "select") return;
|
| 215 |
|
| 216 |
// get options
|
| 217 |
var o = this.options;
|
| 218 |
// get number of options
|
| 219 |
var oL = o.length;
|
| 220 |
// create an array for sorting
|
| 221 |
var sA = [];
|
| 222 |
// loop through options, adding to sort array
|
| 223 |
for(var i = 0; i<oL; i++)
|
| 224 |
{
|
| 225 |
sA[i] =
|
| 226 |
{
|
| 227 |
v: o[i].value,
|
| 228 |
t: o[i].text
|
| 229 |
};
|
| 230 |
}
|
| 231 |
// sort items in array
|
| 232 |
sA.sort(
|
| 233 |
function(o1, o2)
|
| 234 |
{
|
| 235 |
// option text is made lowercase for case insensitive sorting
|
| 236 |
o1t = o1.t.toLowerCase();
|
| 237 |
o2t = o2.t.toLowerCase();
|
| 238 |
// if options are the same, no sorting is needed
|
| 239 |
if(o1t == o2t) return 0;
|
| 240 |
if(a)
|
| 241 |
{
|
| 242 |
return o1t < o2t ? -1 : 1;
|
| 243 |
}
|
| 244 |
else
|
| 245 |
{
|
| 246 |
return o1t > o2t ? -1 : 1;
|
| 247 |
}
|
| 248 |
}
|
| 249 |
);
|
| 250 |
// change the options to match the sort array
|
| 251 |
for(var i = 0; i<oL; i++)
|
| 252 |
{
|
| 253 |
o[i].text = sA[i].t;
|
| 254 |
o[i].value = sA[i].v;
|
| 255 |
}
|
| 256 |
}
|
| 257 |
)
|
| 258 |
return this;
|
| 259 |
}
|
| 260 |
/**
|
| 261 |
* Selects an option by value
|
| 262 |
*
|
| 263 |
* @name selectOptions
|
| 264 |
* @author Mathias Bank (http://www.mathias-bank.de), original function
|
| 265 |
* @author Sam Collett (http://www.texotela.co.uk), addition of regular expression matching
|
| 266 |
* @type jQuery
|
| 267 |
* @param String|RegExp value which options should be selected
|
| 268 |
* can be a string or regular expression
|
| 269 |
* @param Boolean clear clear existing selected options, default false
|
| 270 |
* @example $("#myselect").selectOptions("val1"); // with the value 'val1'
|
| 271 |
* @example $("#myselect").selectOptions(/^val/i); // with the value starting with 'val', case insensitive
|
| 272 |
*
|
| 273 |
*/
|
| 274 |
$.fn.selectOptions = function(value, clear)
|
| 275 |
{
|
| 276 |
var v = value;
|
| 277 |
var vT = typeof value;
|
| 278 |
var c = clear || false;
|
| 279 |
// has to be a string or regular expression (object in IE, function in Firefox)
|
| 280 |
if(vT != "string" && vT != "function" && vT != "object") return this;
|
| 281 |
this.each(
|
| 282 |
function()
|
| 283 |
{
|
| 284 |
if(this.nodeName.toLowerCase() != "select") return this;
|
| 285 |
|
| 286 |
// get options
|
| 287 |
var o = this.options;
|
| 288 |
// get number of options
|
| 289 |
var oL = o.length;
|
| 290 |
|
| 291 |
for(var i = 0; i<oL; i++)
|
| 292 |
{
|
| 293 |
if(v.constructor == RegExp)
|
| 294 |
{
|
| 295 |
if (o[i].value.match(v))
|
| 296 |
{
|
| 297 |
o[i].selected = true;
|
| 298 |
}
|
| 299 |
else if(c)
|
| 300 |
{
|
| 301 |
o[i].selected = false;
|
| 302 |
}
|
| 303 |
}
|
| 304 |
else
|
| 305 |
{
|
| 306 |
if (o[i].value == v)
|
| 307 |
{
|
| 308 |
o[i].selected = true;
|
| 309 |
}
|
| 310 |
else if(c)
|
| 311 |
{
|
| 312 |
o[i].selected = false;
|
| 313 |
}
|
| 314 |
}
|
| 315 |
}
|
| 316 |
}
|
| 317 |
)
|
| 318 |
return this;
|
| 319 |
}
|
| 320 |
|
| 321 |
/**
|
| 322 |
* Copy options to another select
|
| 323 |
*
|
| 324 |
* @name copyOptions
|
| 325 |
* @author Sam Collett (http://www.texotela.co.uk)
|
| 326 |
* @type jQuery
|
| 327 |
* @param String to Element to copy to
|
| 328 |
* @param String which (optional) Specifies which options should be copied - 'all' or 'selected'. Default is 'selected'
|
| 329 |
* @example $("#myselect").copyOptions("#myselect2"); // copy selected options from 'myselect' to 'myselect2'
|
| 330 |
* @example $("#myselect").copyOptions("#myselect2","selected"); // same as above
|
| 331 |
* @example $("#myselect").copyOptions("#myselect2","all"); // copy all options from 'myselect' to 'myselect2'
|
| 332 |
*
|
| 333 |
*/
|
| 334 |
$.fn.copyOptions = function(to, which)
|
| 335 |
{
|
| 336 |
var w = which || "selected";
|
| 337 |
if($(to).size() == 0) return this;
|
| 338 |
this.each(
|
| 339 |
function()
|
| 340 |
{
|
| 341 |
if(this.nodeName.toLowerCase() != "select") return this;
|
| 342 |
|
| 343 |
// get options
|
| 344 |
var o = this.options;
|
| 345 |
// get number of options
|
| 346 |
var oL = o.length;
|
| 347 |
|
| 348 |
for(var i = 0; i<oL; i++)
|
| 349 |
{
|
| 350 |
if(w == "all" ||
|
| 351 |
(w == "selected" && o[i].selected)
|
| 352 |
)
|
| 353 |
{
|
| 354 |
$(to).addOption(o[i].value, o[i].text);
|
| 355 |
}
|
| 356 |
}
|
| 357 |
}
|
| 358 |
)
|
| 359 |
return this;
|
| 360 |
}
|
| 361 |
|
| 362 |
})(jQuery);
|
Parent Directory
| 
Revision Log
| 
Revision Graph