root / drupal7 / sites / all / modules / ddblock / js / jquery.selectboxes.js @ 64ad485a
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/*
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*
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* Copyright (c) 2006-2009 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 2.2.4
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* Demo: http://www.texotela.co.uk/code/jquery/select/
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*
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* $LastChangedDate$
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* $Rev$
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*
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*/
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;(function($) { |
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/**
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* Adds (single/multiple) options to a select box (or series of select boxes)
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*
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* @name addOption
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* @author Sam Collett (http://www.texotela.co.uk)
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* @type jQuery
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* @example $("#myselect").addOption("Value", "Text"); // add single value (will be selected)
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* @example $("#myselect").addOption("Value 2", "Text 2", false); // add single value (won't be selected)
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* @example $("#myselect").addOption({"foo":"bar","bar":"baz"}, false); // add multiple values, but don't select
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*
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*/
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$.fn.addOption = function() |
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{ |
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var add = function(el, v, t, sO) |
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{ |
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var option = document.createElement("option"); |
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option.value = v, option.text = t; |
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// get options
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var o = el.options;
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// get number of options
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var oL = o.length;
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if(!el.cache)
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{ |
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el.cache = {}; |
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// loop through existing options, adding to cache
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for(var i = 0; i < oL; i++) |
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{ |
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el.cache[o[i].value] = i; |
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} |
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} |
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// add to cache if it isn't already
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if(typeof el.cache[v] == "undefined") el.cache[v] = oL; |
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el.options[el.cache[v]] = option; |
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if(sO)
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{ |
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option.selected = true;
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} |
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}; |
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var a = arguments; |
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if(a.length == 0) return this; |
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// select option when added? default is true
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var sO = true; |
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// multiple items
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var m = false; |
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// other variables
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var items, v, t;
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if(typeof(a[0]) == "object") |
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{ |
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m = true;
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items = a[0];
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} |
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if(a.length >= 2) |
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{ |
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if(typeof(a[1]) == "boolean") sO = a[1]; |
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else if(typeof(a[2]) == "boolean") sO = a[2]; |
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if(!m)
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{ |
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v = a[0];
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t = a[1];
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} |
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} |
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this.each(
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function()
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{ |
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if(this.nodeName.toLowerCase() != "select") return; |
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if(m)
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{ |
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for(var item in items) |
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{ |
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add(this, item, items[item], sO);
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} |
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} |
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else
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{ |
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add(this, v, t, sO);
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} |
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} |
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); |
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return this; |
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}; |
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/**
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* Add options via ajax
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*
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* @name ajaxAddOption
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* @author Sam Collett (http://www.texotela.co.uk)
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* @type jQuery
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* @param String url Page to get options from (must be valid JSON)
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* @param Object params (optional) Any parameters to send with the request
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* @param Boolean select (optional) Select the added options, default true
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* @param Function fn (optional) Call this function with the select object as param after completion
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* @param Array args (optional) Array with params to pass to the function afterwards
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* @example $("#myselect").ajaxAddOption("myoptions.php");
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* @example $("#myselect").ajaxAddOption("myoptions.php", {"code" : "007"});
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* @example $("#myselect").ajaxAddOption("myoptions.php", {"code" : "007"}, false, sortoptions, [{"dir": "desc"}]);
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*
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*/
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$.fn.ajaxAddOption = function(url, params, select, fn, args) |
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{ |
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if(typeof(url) != "string") return this; |
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if(typeof(params) != "object") params = {}; |
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if(typeof(select) != "boolean") select = true; |
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this.each(
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function()
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{ |
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var el = this; |
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$.getJSON(url,
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params, |
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function(r)
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{ |
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$(el).addOption(r, select);
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if(typeof fn == "function") |
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{ |
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if(typeof args == "object") |
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{ |
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fn.apply(el, args); |
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} |
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else
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{ |
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fn.call(el); |
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} |
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} |
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} |
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); |
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} |
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); |
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return this; |
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}; |
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/**
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* Removes an option (by value or index) from a select box (or series of select boxes)
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*
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* @name removeOption
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* @author Sam Collett (http://www.texotela.co.uk)
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* @type jQuery
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* @param String|RegExp|Number what Option to remove
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* @param Boolean selectedOnly (optional) Remove only if it has been selected (default false)
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* @example $("#myselect").removeOption("Value"); // remove by value
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* @example $("#myselect").removeOption(/^val/i); // remove options with a value starting with 'val'
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* @example $("#myselect").removeOption(/./); // remove all options
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* @example $("#myselect").removeOption(/./, true); // remove all options that have been selected
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* @example $("#myselect").removeOption(0); // remove by index
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* @example $("#myselect").removeOption(["myselect_1","myselect_2"]); // values contained in passed array
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*
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*/
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$.fn.removeOption = function() |
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{ |
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var a = arguments; |
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if(a.length == 0) return this; |
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var ta = typeof(a[0]); |
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var v, index;
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// has to be a string or regular expression (object in IE, function in Firefox)
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if(ta == "string" || ta == "object" || ta == "function" ) |
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{ |
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v = a[0];
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// if an array, remove items
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if(v.constructor == Array)
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{ |
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var l = v.length;
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for(var i = 0; i<l; i++) |
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{ |
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this.removeOption(v[i], a[1]); |
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} |
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return this; |
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} |
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} |
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else if(ta == "number") index = a[0]; |
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else return this; |
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this.each(
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function()
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{ |
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if(this.nodeName.toLowerCase() != "select") return; |
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// clear cache
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if(this.cache) this.cache = null; |
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// does the option need to be removed?
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var remove = false; |
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// get options
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var o = this.options; |
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if(!!v)
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{ |
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// get number of options
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var oL = o.length;
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for(var i=oL-1; i>=0; i--) |
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{ |
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if(v.constructor == RegExp)
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{ |
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if(o[i].value.match(v))
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{ |
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remove = true;
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} |
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} |
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else if(o[i].value == v) |
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{ |
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remove = true;
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} |
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// if the option is only to be removed if selected
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if(remove && a[1] === true) remove = o[i].selected; |
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if(remove)
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{ |
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o[i] = null;
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} |
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remove = false;
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} |
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} |
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else
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{ |
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// only remove if selected?
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if(a[1] === true) |
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{ |
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remove = o[index].selected; |
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} |
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else
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{ |
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remove = true;
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} |
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if(remove)
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{ |
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this.remove(index);
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} |
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} |
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} |
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); |
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return this; |
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}; |
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/**
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* Sort options (ascending or descending) in a select box (or series of select boxes)
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*
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* @name sortOptions
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* @author Sam Collett (http://www.texotela.co.uk)
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* @type jQuery
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* @param Boolean ascending (optional) Sort ascending (true/undefined), or descending (false)
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* @example // ascending
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* $("#myselect").sortOptions(); // or $("#myselect").sortOptions(true);
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* @example // descending
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* $("#myselect").sortOptions(false);
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*
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*/
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$.fn.sortOptions = function(ascending) |
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{ |
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// get selected values first
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var sel = $(this).selectedValues(); |
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var a = typeof(ascending) == "undefined" ? true : !!ascending; |
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this.each(
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function()
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{ |
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if(this.nodeName.toLowerCase() != "select") return; |
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// get options
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var o = this.options; |
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// get number of options
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var oL = o.length;
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// create an array for sorting
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var sA = [];
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// loop through options, adding to sort array
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for(var i = 0; i<oL; i++) |
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{ |
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sA[i] = { |
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v: o[i].value,
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t: o[i].text
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} |
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} |
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// sort items in array
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sA.sort( |
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function(o1, o2)
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{ |
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// option text is made lowercase for case insensitive sorting
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o1t = o1.t.toLowerCase(), o2t = o2.t.toLowerCase(); |
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// if options are the same, no sorting is needed
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if(o1t == o2t) return 0; |
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if(a)
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{ |
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return o1t < o2t ? -1 : 1; |
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} |
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else
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{ |
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return o1t > o2t ? -1 : 1; |
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} |
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} |
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); |
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// change the options to match the sort array
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for(var i = 0; i<oL; i++) |
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{ |
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o[i].text = sA[i].t; |
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o[i].value = sA[i].v; |
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} |
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} |
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).selectOptions(sel, true); // select values, clearing existing ones |
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return this; |
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}; |
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/**
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* Selects an option by value
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*
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* @name selectOptions
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* @author Mathias Bank (http://www.mathias-bank.de), original function
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* @author Sam Collett (http://www.texotela.co.uk), addition of regular expression matching
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* @type jQuery
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* @param String|RegExp|Array value Which options should be selected
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* can be a string or regular expression, or an array of strings / regular expressions
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* @param Boolean clear Clear existing selected options, default false
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* @example $("#myselect").selectOptions("val1"); // with the value 'val1'
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* @example $("#myselect").selectOptions(["val1","val2","val3"]); // with the values 'val1' 'val2' 'val3'
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* @example $("#myselect").selectOptions(/^val/i); // with the value starting with 'val', case insensitive
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*
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*/
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$.fn.selectOptions = function(value, clear) |
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{ |
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var v = value;
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var vT = typeof(value); |
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// handle arrays
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if(vT == "object" && v.constructor == Array) |
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{ |
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var $this = this; |
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$.each(v, function() |
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{ |
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$this.selectOptions(this, clear); |
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} |
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); |
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}; |
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var c = clear || false; |
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// has to be a string or regular expression (object in IE, function in Firefox)
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if(vT != "string" && vT != "function" && vT != "object") return this; |
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this.each(
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function()
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{ |
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if(this.nodeName.toLowerCase() != "select") return this; |
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// get options
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var o = this.options; |
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// get number of options
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var oL = o.length;
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for(var i = 0; i<oL; i++) |
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{ |
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if(v.constructor == RegExp)
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{ |
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if(o[i].value.match(v))
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{ |
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o[i].selected = true;
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} |
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else if(c) |
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{ |
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o[i].selected = false;
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} |
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} |
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else
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{ |
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if(o[i].value == v)
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{ |
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o[i].selected = true;
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} |
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else if(c) |
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{ |
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o[i].selected = false;
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} |
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} |
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} |
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} |
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); |
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return this; |
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}; |
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/**
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* Copy options to another select
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*
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* @name copyOptions
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* @author Sam Collett (http://www.texotela.co.uk)
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* @type jQuery
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* @param String to Element to copy to
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* @param String which (optional) Specifies which options should be copied - 'all' or 'selected'. Default is 'selected'
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* @example $("#myselect").copyOptions("#myselect2"); // copy selected options from 'myselect' to 'myselect2'
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* @example $("#myselect").copyOptions("#myselect2","selected"); // same as above
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* @example $("#myselect").copyOptions("#myselect2","all"); // copy all options from 'myselect' to 'myselect2'
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*
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*/
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$.fn.copyOptions = function(to, which) |
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{ |
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var w = which || "selected"; |
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if($(to).size() == 0) return this; |
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this.each(
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function()
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{ |
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if(this.nodeName.toLowerCase() != "select") return this; |
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// get options
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var o = this.options; |
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// get number of options
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var oL = o.length;
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for(var i = 0; i<oL; i++) |
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{ |
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if(w == "all" || (w == "selected" && o[i].selected)) |
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{ |
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$(to).addOption(o[i].value, o[i].text);
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} |
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} |
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} |
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); |
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return this; |
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}; |
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/**
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* Checks if a select box has an option with the supplied value
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*
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* @name containsOption
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* @author Sam Collett (http://www.texotela.co.uk)
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* @type Boolean|jQuery
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* @param String|RegExp value Which value to check for. Can be a string or regular expression
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* @param Function fn (optional) Function to apply if an option with the given value is found.
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* Use this if you don't want to break the chaining
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* @example if($("#myselect").containsOption("val1")) alert("Has an option with the value 'val1'");
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* @example if($("#myselect").containsOption(/^val/i)) alert("Has an option with the value starting with 'val'");
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* @example $("#myselect").containsOption("val1", copyoption).doSomethingElseWithSelect(); // calls copyoption (user defined function) for any options found, chain is continued
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*
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*/
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$.fn.containsOption = function(value, fn) |
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{ |
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var found = false; |
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var v = value;
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var vT = typeof(v); |
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var fT = typeof(fn); |
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// has to be a string or regular expression (object in IE, function in Firefox)
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if(vT != "string" && vT != "function" && vT != "object") return fT == "function" ? this: found; |
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this.each(
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function()
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{ |
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if(this.nodeName.toLowerCase() != "select") return this; |
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// option already found
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if(found && fT != "function") return false; |
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// get options
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var o = this.options; |
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// get number of options
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var oL = o.length;
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for(var i = 0; i<oL; i++) |
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{ |
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if(v.constructor == RegExp)
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{ |
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if (o[i].value.match(v))
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{ |
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found = true;
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if(fT == "function") fn.call(o[i], i); |
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} |
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} |
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else
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{ |
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if (o[i].value == v)
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{ |
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found = true;
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if(fT == "function") fn.call(o[i], i); |
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} |
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} |
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} |
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} |
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); |
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return fT == "function" ? this : found; |
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}; |
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|
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/**
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* Returns values which have been selected
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*
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* @name selectedValues
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* @author Sam Collett (http://www.texotela.co.uk)
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* @type Array
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* @example $("#myselect").selectedValues();
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*
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*/
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$.fn.selectedValues = function() |
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{ |
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var v = [];
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this.selectedOptions().each(
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function()
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{ |
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v[v.length] = this.value;
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} |
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); |
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return v;
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}; |
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|
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/**
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* Returns text which has been selected
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*
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* @name selectedTexts
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* @author Sam Collett (http://www.texotela.co.uk)
|
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* @type Array
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* @example $("#myselect").selectedTexts();
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*
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*/
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$.fn.selectedTexts = function() |
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{ |
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var t = [];
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this.selectedOptions().each(
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function()
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{ |
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t[t.length] = this.text;
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} |
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); |
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return t;
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}; |
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|
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/**
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* Returns options which have been selected
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*
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* @name selectedOptions
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* @author Sam Collett (http://www.texotela.co.uk)
|
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* @type jQuery
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* @example $("#myselect").selectedOptions();
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*
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*/
|
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$.fn.selectedOptions = function() |
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{ |
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return this.find("option:selected"); |
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}; |
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|
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})(jQuery); |