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Diffstat (limited to 'js/jquery.selectboxes.js')
| -rw-r--r-- | js/jquery.selectboxes.js | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/js/jquery.selectboxes.js b/js/jquery.selectboxes.js new file mode 100644 index 0000000..ca0af31 --- /dev/null +++ b/js/jquery.selectboxes.js @@ -0,0 +1,464 @@ +/*
+ *
+ * Copyright (c) 2006/2007 Sam Collett (http://www.texotela.co.uk)
+ * Licensed under the MIT License:
+ * http://www.opensource.org/licenses/mit-license.php
+ *
+ * Version 2.2.1
+ * Demo: http://www.texotela.co.uk/code/jquery/select/
+ *
+ * $LastChangedDate$
+ * $Rev$
+ *
+ */
+
+(function($) {
+
+/**
+ * Adds (single/multiple) options to a select box (or series of select boxes)
+ *
+ * @name addOption
+ * @author Sam Collett (http://www.texotela.co.uk)
+ * @type jQuery
+ * @example $("#myselect").addOption("Value", "Text"); // add single value (will be selected)
+ * @example $("#myselect").addOption("Value 2", "Text 2", false); // add single value (won't be selected)
+ * @example $("#myselect").addOption({"foo":"bar","bar":"baz"}, false); // add multiple values, but don't select
+ *
+ */
+$.fn.addOption = function()
+{
+ var add = function(el, v, t, sO)
+ {
+ var option = document.createElement("option");
+ option.value = v, option.text = t;
+ // get options
+ var o = el.options;
+ // get number of options
+ var oL = o.length;
+ if(!el.cache)
+ {
+ el.cache = {};
+ // loop through existing options, adding to cache
+ for(var i = 0; i < oL; i++)
+ {
+ el.cache[o[i].value] = i;
+ }
+ }
+ // add to cache if it isn't already
+ if(typeof el.cache[v] == "undefined") el.cache[v] = oL;
+ el.options[el.cache[v]] = option;
+ if(sO)
+ {
+ option.selected = true;
+ }
+ };
+
+ var a = arguments;
+ if(a.length == 0) return this;
+ // select option when added? default is true
+ var sO = true;
+ // multiple items
+ var m = false;
+ // other variables
+ var items, v, t;
+ if(typeof(a[0]) == "object")
+ {
+ m = true;
+ items = a[0];
+ }
+ if(a.length >= 2)
+ {
+ if(typeof(a[1]) == "boolean") sO = a[1];
+ else if(typeof(a[2]) == "boolean") sO = a[2];
+ if(!m)
+ {
+ v = a[0];
+ t = a[1];
+ }
+ }
+ this.each(
+ function()
+ {
+ if(this.nodeName.toLowerCase() != "select") return;
+ if(m)
+ {
+ for(var item in items)
+ {
+ add(this, item, items[item], sO);
+ }
+ }
+ else
+ {
+ add(this, v, t, sO);
+ }
+ }
+ );
+ return this;
+};
+
+/**
+ * Add options via ajax
+ *
+ * @name ajaxAddOption
+ * @author Sam Collett (http://www.texotela.co.uk)
+ * @type jQuery
+ * @param String url Page to get options from (must be valid JSON)
+ * @param Object params (optional) Any parameters to send with the request
+ * @param Boolean select (optional) Select the added options, default true
+ * @param Function fn (optional) Call this function with the select object as param after completion
+ * @param Array args (optional) Array with params to pass to the function afterwards
+ * @example $("#myselect").ajaxAddOption("myoptions.php");
+ * @example $("#myselect").ajaxAddOption("myoptions.php", {"code" : "007"});
+ * @example $("#myselect").ajaxAddOption("myoptions.php", {"code" : "007"}, false, sortoptions, {"dir": "desc"});
+ *
+ */
+$.fn.ajaxAddOption = function(url, params, select, fn, args)
+{
+ if(typeof(url) != "string") return this;
+ if(typeof(params) != "object") params = {};
+ if(typeof(select) != "boolean") select = true;
+ this.each(
+ function()
+ {
+ var el = this;
+ $.getJSON(url,
+ params,
+ function(r)
+ {
+ $(el).addOption(r, select);
+ if(typeof fn == "function")
+ {
+ if(typeof args == "object")
+ {
+ fn.apply(el, args);
+ }
+ else
+ {
+ fn.call(el);
+ }
+ }
+ }
+ );
+ }
+ );
+ return this;
+};
+
+/**
+ * Removes an option (by value or index) from a select box (or series of select boxes)
+ *
+ * @name removeOption
+ * @author Sam Collett (http://www.texotela.co.uk)
+ * @type jQuery
+ * @param String|RegExp|Number what Option to remove
+ * @param Boolean selectedOnly (optional) Remove only if it has been selected (default false)
+ * @example $("#myselect").removeOption("Value"); // remove by value
+ * @example $("#myselect").removeOption(/^val/i); // remove options with a value starting with 'val'
+ * @example $("#myselect").removeOption(/./); // remove all options
+ * @example $("#myselect").removeOption(/./, true); // remove all options that have been selected
+ * @example $("#myselect").removeOption(0); // remove by index
+ *
+ */
+$.fn.removeOption = function()
+{
+ var a = arguments;
+ if(a.length == 0) return this;
+ var ta = typeof(a[0]);
+ var v, index;
+ // has to be a string or regular expression (object in IE, function in Firefox)
+ if(ta == "string" || ta == "object" || ta == "function" ) v = a[0];
+ else if(ta == "number") index = a[0];
+ else return this;
+ this.each(
+ function()
+ {
+ if(this.nodeName.toLowerCase() != "select") return;
+ // clear cache
+ if(this.cache) this.cache = null;
+ // does the option need to be removed?
+ var remove = false;
+ // get options
+ var o = this.options;
+ if(!!v)
+ {
+ // get number of options
+ var oL = o.length;
+ for(var i=oL-1; i>=0; i--)
+ {
+ if(v.constructor == RegExp)
+ {
+ if(o[i].value.match(v))
+ {
+ remove = true;
+ }
+ }
+ else if(o[i].value == v)
+ {
+ remove = true;
+ }
+ // if the option is only to be removed if selected
+ if(remove && a[1] === true) remove = o[i].selected;
+ if(remove)
+ {
+ o[i] = null;
+ }
+ remove = false;
+ }
+ }
+ else
+ {
+ // only remove if selected?
+ if(a[1] === true)
+ {
+ remove = o[index].selected;
+ }
+ else
+ {
+ remove = true;
+ }
+ if(remove)
+ {
+ this.remove(index);
+ }
+ }
+ }
+ );
+ return this;
+};
+
+/**
+ * Sort options (ascending or descending) in a select box (or series of select boxes)
+ *
+ * @name sortOptions
+ * @author Sam Collett (http://www.texotela.co.uk)
+ * @type jQuery
+ * @param Boolean ascending (optional) Sort ascending (true/undefined), or descending (false)
+ * @example // ascending
+ * $("#myselect").sortOptions(); // or $("#myselect").sortOptions(true);
+ * @example // descending
+ * $("#myselect").sortOptions(false);
+ *
+ */
+$.fn.sortOptions = function(ascending)
+{
+ var a = typeof(ascending) == "undefined" ? true : !!ascending;
+ this.each(
+ function()
+ {
+ if(this.nodeName.toLowerCase() != "select") return;
+ // get options
+ var o = this.options;
+ // get number of options
+ var oL = o.length;
+ // create an array for sorting
+ var sA = [];
+ // loop through options, adding to sort array
+ for(var i = 0; i<oL; i++)
+ {
+ sA[i] = {
+ v: o[i].value,
+ t: o[i].text
+ }
+ }
+ // sort items in array
+ sA.sort(
+ function(o1, o2)
+ {
+ // option text is made lowercase for case insensitive sorting
+ o1t = o1.t.toLowerCase(), o2t = o2.t.toLowerCase();
+ // if options are the same, no sorting is needed
+ if(o1t == o2t) return 0;
+ if(a)
+ {
+ return o1t < o2t ? -1 : 1;
+ }
+ else
+ {
+ return o1t > o2t ? -1 : 1;
+ }
+ }
+ );
+ // change the options to match the sort array
+ for(var i = 0; i<oL; i++)
+ {
+ o[i].text = sA[i].t;
+ o[i].value = sA[i].v;
+ }
+ }
+ );
+ return this;
+};
+/**
+ * Selects an option by value
+ *
+ * @name selectOptions
+ * @author Mathias Bank (http://www.mathias-bank.de), original function
+ * @author Sam Collett (http://www.texotela.co.uk), addition of regular expression matching
+ * @type jQuery
+ * @param String|RegExp value Which options should be selected
+ * can be a string or regular expression
+ * @param Boolean clear Clear existing selected options, default false
+ * @example $("#myselect").selectOptions("val1"); // with the value 'val1'
+ * @example $("#myselect").selectOptions(/^val/i); // with the value starting with 'val', case insensitive
+ *
+ */
+$.fn.selectOptions = function(value, clear)
+{
+ var v = value;
+ var vT = typeof(value);
+ var c = clear || false;
+ // has to be a string or regular expression (object in IE, function in Firefox)
+ if(vT != "string" && vT != "function" && vT != "object") return this;
+ this.each(
+ function()
+ {
+ if(this.nodeName.toLowerCase() != "select") return this;
+ // get options
+ var o = this.options;
+ // get number of options
+ var oL = o.length;
+ for(var i = 0; i<oL; i++)
+ {
+ if(v.constructor == RegExp)
+ {
+ if(o[i].value.match(v))
+ {
+ o[i].selected = true;
+ }
+ else if(c)
+ {
+ o[i].selected = false;
+ }
+ }
+ else
+ {
+ if(o[i].value == v)
+ {
+ o[i].selected = true;
+ }
+ else if(c)
+ {
+ o[i].selected = false;
+ }
+ }
+ }
+ }
+ );
+ return this;
+};
+
+/**
+ * Copy options to another select
+ *
+ * @name copyOptions
+ * @author Sam Collett (http://www.texotela.co.uk)
+ * @type jQuery
+ * @param String to Element to copy to
+ * @param String which (optional) Specifies which options should be copied - 'all' or 'selected'. Default is 'selected'
+ * @example $("#myselect").copyOptions("#myselect2"); // copy selected options from 'myselect' to 'myselect2'
+ * @example $("#myselect").copyOptions("#myselect2","selected"); // same as above
+ * @example $("#myselect").copyOptions("#myselect2","all"); // copy all options from 'myselect' to 'myselect2'
+ *
+ */
+$.fn.copyOptions = function(to, which)
+{
+ var w = which || "selected";
+ if($(to).size() == 0) return this;
+ this.each(
+ function()
+ {
+ if(this.nodeName.toLowerCase() != "select") return this;
+ // get options
+ var o = this.options;
+ // get number of options
+ var oL = o.length;
+ for(var i = 0; i<oL; i++)
+ {
+ if(w == "all" || (w == "selected" && o[i].selected))
+ {
+ $(to).addOption(o[i].value, o[i].text);
+ }
+ }
+ }
+ );
+ return this;
+};
+
+/**
+ * Checks if a select box has an option with the supplied value
+ *
+ * @name containsOption
+ * @author Sam Collett (http://www.texotela.co.uk)
+ * @type Boolean|jQuery
+ * @param String|RegExp value Which value to check for. Can be a string or regular expression
+ * @param Function fn (optional) Function to apply if an option with the given value is found.
+ * Use this if you don't want to break the chaining
+ * @example if($("#myselect").containsOption("val1")) alert("Has an option with the value 'val1'");
+ * @example if($("#myselect").containsOption(/^val/i)) alert("Has an option with the value starting with 'val'");
+ * @example $("#myselect").containsOption("val1", copyoption).doSomethingElseWithSelect(); // calls copyoption (user defined function) for any options found, chain is continued
+ *
+ */
+$.fn.containsOption = function(value, fn)
+{
+ var found = false;
+ var v = value;
+ var vT = typeof(v);
+ var fT = typeof(fn);
+ // has to be a string or regular expression (object in IE, function in Firefox)
+ if(vT != "string" && vT != "function" && vT != "object") return fT == "function" ? this: found;
+ this.each(
+ function()
+ {
+ if(this.nodeName.toLowerCase() != "select") return this;
+ // option already found
+ if(found && fT != "function") return false;
+ // get options
+ var o = this.options;
+ // get number of options
+ var oL = o.length;
+ for(var i = 0; i<oL; i++)
+ {
+ if(v.constructor == RegExp)
+ {
+ if (o[i].value.match(v))
+ {
+ found = true;
+ if(fT == "function") fn.call(o[i]);
+ }
+ }
+ else
+ {
+ if (o[i].value == v)
+ {
+ found = true;
+ if(fT == "function") fn.call(o[i]);
+ }
+ }
+ }
+ }
+ );
+ return fT == "function" ? this : found;
+};
+
+/**
+ * Returns values which have been selected
+ *
+ * @name selectedValues
+ * @author Sam Collett (http://www.texotela.co.uk)
+ * @type Array
+ * @example $("#myselect").selectedValues();
+ *
+ */
+$.fn.selectedValues = function()
+{
+ var v = [];
+ this.find("option:selected").each(
+ function()
+ {
+ v[v.length] = this.value;
+ }
+ );
+ return v;
+};
+
+})(jQuery);
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