jquery.easydropdown.min.js

/*
* EASYDROPDOWN - A Drop-down Builder for Styleable Inputs and Menus
* Version: 2.1.4
* License: Creative Commons Attribution 3.0 Unported - CC BY 3.0
* http://creativecommons.org/licenses/by/3.0/
* This software may be used freely on commercial and non-commercial projects with attribution to the author/copyright holder.
* Author: Patrick Kunka
* Copyright 2013 Patrick Kunka, All Rights Reserved
*/

(function(d){function e(){this.isField=!0;this.keyboardMode=this.hasLabel=this.cutOff=this.disabled=this.inFocus=this.down=!1;this.nativeTouch=!0;this.wrapperClass="dropdown";this.onChange=null}e.prototype={constructor:e,instances:{},init:function(a,c){var b=this;d.extend(b,c);b.$select=d(a);b.id=a.id;b.options=[];b.$options=b.$select.find("option");b.isTouch="ontouchend"in document;b.$select.removeClass(b.wrapperClass+" dropdown");b.$select.is(":disabled")&&(b.disabled=!0);b.$options.length&&(b.$options.each(function(a){var c=
d(this);c.is(":selected")&&(b.selected={index:a,title:c.text()},b.focusIndex=a);c.hasClass("label")&&0==a?(b.hasLabel=!0,b.label=c.text(),c.attr("value","")):b.options.push({domNode:c[0],title:c.text(),value:c.val(),selected:c.is(":selected")})}),b.selected||(b.selected={index:0,title:b.$options.eq(0).text()},b.focusIndex=0),b.render())},render:function(){var a=this;a.$container=a.$select.wrap('<div class="'+a.wrapperClass+(a.isTouch&&a.nativeTouch?" touch":"")+(a.disabled?" disabled":"")+'"><span class="old"/></div>').parent().parent();
a.$active=d('<span class="selected">'+a.selected.title+"</span>").appendTo(a.$container);a.$carat=d('<span class="carat"/>').appendTo(a.$container);a.$scrollWrapper=d("<div><ul/></div>").appendTo(a.$container);a.$dropDown=a.$scrollWrapper.find("ul");a.$form=a.$container.closest("form");d.each(a.options,function(){a.$dropDown.append("<li"+(this.selected?' class="active"':"")+">"+this.title+"</li>")});a.$items=a.$dropDown.find("li");a.cutOff&&a.$items.length>a.cutOff&&a.$container.addClass("scrollable");
a.getMaxHeight();a.isTouch&&a.nativeTouch?a.bindTouchHandlers():a.bindHandlers()},getMaxHeight:function(){for(i=this.maxHeight=0;i<this.$items.length;i++){var a=this.$items.eq(i);this.maxHeight+=a.outerHeight();if(this.cutOff==i+1)break}},bindTouchHandlers:function(){var a=this;a.$container.on("click.easyDropDown",function(){a.$select.focus()});a.$select.on({change:function(){var c=d(this).find("option:selected"),b=c.text(),c=c.val();a.$active.text(b);"function"===typeof a.onChange&&a.onChange.call(a.$select[0],
{title:b,value:c})},focus:function(){a.$container.addClass("focus")},blur:function(){a.$container.removeClass("focus")}})},bindHandlers:function(){var a=this;a.query="";a.$container.on({"click.easyDropDown":function(){a.down||a.disabled?a.close():a.open()},"mousemove.easyDropDown":function(){a.keyboardMode&&(a.keyboardMode=!1)}});d("body").on("click.easyDropDown."+a.id,function(c){c=d(c.target);var b=a.wrapperClass.split(" ").join(".");!c.closest("."+b).length&&a.down&&a.close()});a.$items.on({"click.easyDropDown":function(){var c=
d(this).index();a.select(c);a.$select.focus()},"mouseover.easyDropDown":function(){if(!a.keyboardMode){var c=d(this);c.addClass("focus").siblings().removeClass("focus");a.focusIndex=c.index()}},"mouseout.easyDropDown":function(){a.keyboardMode||d(this).removeClass("focus")}});a.$select.on({"focus.easyDropDown":function(){a.$container.addClass("focus");a.inFocus=!0},"blur.easyDropDown":function(){a.$container.removeClass("focus");a.inFocus=!1},"keydown.easyDropDown":function(c){if(a.inFocus){a.keyboardMode=
!0;var b=c.keyCode;if(38==b||40==b||32==b)c.preventDefault(),38==b?(a.focusIndex--,a.focusIndex=0>a.focusIndex?a.$items.length-1:a.focusIndex):40==b&&(a.focusIndex++,a.focusIndex=a.focusIndex>a.$items.length-1?0:a.focusIndex),a.down||a.open(),a.$items.removeClass("focus").eq(a.focusIndex).addClass("focus"),a.cutOff&&a.scrollToView(),a.query="";if(a.down)if(9==b||27==b)a.close();else{if(13==b)return c.preventDefault(),a.select(a.focusIndex),a.close(),!1;if(8==b)return c.preventDefault(),a.query=a.query.slice(0,
-1),a.search(),clearTimeout(a.resetQuery),!1;38!=b&&40!=b&&(c=String.fromCharCode(b),a.query+=c,a.search(),clearTimeout(a.resetQuery))}}},"keyup.easyDropDown":function(){a.resetQuery=setTimeout(function(){a.query=""},1200)}});a.$dropDown.on("scroll.easyDropDown",function(c){a.$dropDown[0].scrollTop>=a.$dropDown[0].scrollHeight-a.maxHeight?a.$container.addClass("bottom"):a.$container.removeClass("bottom")});if(a.$form.length)a.$form.on("reset.easyDropDown",function(){a.$active.text(a.hasLabel?a.label:
a.options[0].title)})},unbindHandlers:function(){this.$container.add(this.$select).add(this.$items).add(this.$form).add(this.$dropDown).off(".easyDropDown");d("body").off("."+this.id)},open:function(){var a=window.scrollY||document.documentElement.scrollTop,c=window.scrollX||document.documentElement.scrollLeft,b=this.notInViewport(a);this.closeAll();this.getMaxHeight();this.$select.focus();window.scrollTo(c,a+b);this.$container.addClass("open");this.$scrollWrapper.css("height",this.maxHeight+"px");
this.down=!0},close:function(){this.$container.removeClass("open");this.$scrollWrapper.css("height","0px");this.focusIndex=this.selected.index;this.query="";this.down=!1},closeAll:function(){var a=Object.getPrototypeOf(this).instances,c;for(c in a)a[c].close()},select:function(a){"string"===typeof a&&(a=this.$select.find("option[value="+a+"]").index()-1);var c=this.options[a],b=this.hasLabel?a+1:a;this.$items.removeClass("active").eq(a).addClass("active");this.$active.text(c.title);this.$select.find("option").removeAttr("selected").eq(b).prop("selected",
!0).parent().trigger("change");this.selected={index:a,title:c.title};this.focusIndex=i;"function"===typeof this.onChange&&this.onChange.call(this.$select[0],{title:c.title,value:c.value})},search:function(){var a=this,c=function(b){a.focusIndex=b;a.$items.removeClass("focus").eq(a.focusIndex).addClass("focus");a.scrollToView()};for(i=0;i<a.options.length;i++){var b=a.options[i].title.toUpperCase();if(0==b.indexOf(a.query)){c(i);return}}for(i=0;i<a.options.length;i++)if(b=a.options[i].title.toUpperCase(),
-1<b.indexOf(a.query)){c(i);break}},scrollToView:function(){if(this.focusIndex>=this.cutOff){var a=this.$items.eq(this.focusIndex).outerHeight()*(this.focusIndex+1)-this.maxHeight;this.$dropDown.scrollTop(a)}},notInViewport:function(a){var c=a+(window.innerHeight||document.documentElement.clientHeight),b=this.$dropDown.offset().top+this.maxHeight;return b>=a&&b<=c?0:b-c+5},destroy:function(){this.unbindHandlers();this.$select.unwrap().siblings().remove();this.$select.unwrap();delete Object.getPrototypeOf(this).instances[this.$select[0].id]},
disable:function(){this.disabled=!0;this.$container.addClass("disabled");this.$select.attr("disabled",!0);this.down||this.close()},enable:function(){this.disabled=!1;this.$container.removeClass("disabled");this.$select.attr("disabled",!1)}};var f=function(a,c){a.id=a.id?a.id:"EasyDropDown"+("00000"+(16777216*Math.random()<<0).toString(16)).substr(-6).toUpperCase();var b=new e;b.instances[a.id]||(b.instances[a.id]=b,b.init(a,c))};d.fn.easyDropDown=function(){var a=arguments,c=[],b;b=this.each(function(){if(a&&
"string"===typeof a[0]){var b=e.prototype.instances[this.id][a[0]](a[1],a[2]);b&&c.push(b)}else f(this,a[0])});return c.length?1<c.length?c:c[0]:b};d(function(){"function"!==typeof Object.getPrototypeOf&&(Object.getPrototypeOf="object"===typeof"test".__proto__?function(a){return a.__proto__}:function(a){return a.constructor.prototype});d("select.dropdown").each(function(){var a=d(this).attr("data-settings");settings=a?d.parseJSON(a):{};f(this,settings)})})})(jQuery);