/*globals jQuery*/
/*
 * Multiselectable jQuery plugin
 * A Progressive Enhancement to <select multiple>
 * Copyright Aki Björklund, 2009
 * http://akibjorklund.com/code/multiselectable/
 * Version 1.0
 * Released under the MIT license.
 */
(function(jQuery){jQuery.fn.multiselectable=function(options){var that=jQuery(this);options=jQuery.extend({template:'<div class="multiselectable"><div class="m-selectable-from"><label for="m-selectable"></label><select multiple="multiple" id="m-selectable"></select></div><div class="m-selectable-controls"><button class="multis-right"></button><button class="multis-left"></button></div><div class="m-selectable-to"><label for="m-selected"></label><select multiple="multiple" id="m-selected"></select></div></div>',selectableLabel:"Selectable:",selectedLabel:"Selected:",moveRightText:"->",moveLeftText:"<-",sort:true,sortAscending:true},options||{});if(!jQuery.fn.sortOptions){options.sort=false;}return that.each(function(){var master=jQuery(this);var template=options.template;var num=1;if(jQuery("#m-selectable").length>0){while(jQuery("#m-selectable_"+num).length>0){num++;}template=template.replace(/\"m-selectable\"/g,"m-selectable_"+num);template=template.replace(/\"m-selected\"/g,"m-selected_"+num);}master.hide().after(template);var size=master.attr("size");var m=master.next();var m1=m.find(".m-selectable-from select");var m2=m.find(".m-selectable-to select");m1.attr("size",size);m2.attr("size",size);m.find(".m-selectable-from label").text(options.selectableLabel);m.find(".m-selectable-to label").text(options.selectedLabel);m.find(".multis-right").text(options.moveRightText);m.find(".multis-left").text(options.moveLeftText);jQuery(this).find("option:selected").clone().appendTo(m2);jQuery(this).find("option:not(:selected)").clone().appendTo(m1);if(options.sort){m1.sortOptions(options.sortAscending);m2.sortOptions(options.sortAscending);}function move(from,to,master,select){from.find("option:selected").removeAttr("selected").remove().appendTo(to).each(function(){var matchedElem=master.find('option[value="'+$(this).val()+'"]');if(select){matchedElem.attr("selected","selected");}else{matchedElem.removeAttr("selected");}});if(options.sort){to.sortOptions(options.sortAscending);}return false;}function moveLeft(){return move(m2,m1,master,false);}function moveRight(){return move(m1,m2,master,true);}m.find(".multis-right").click(moveRight);m.find(".multis-left").click(moveLeft);m1.dblclick(moveRight);m2.dblclick(moveLeft);m1.keydown(function(event){if(event.keyCode===13){moveRight();}});m2.keydown(function(event){if(event.keyCode===13){moveLeft();}});});};})(jQuery);