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✏️ Editing: selectmenu.min.js

/*!
 * jQuery UI Selectmenu 1.11.4
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/selectmenu
 */
!function(a){"function"==typeof define&&define.amd?define(["jquery","./core","./widget","./position","./menu"],a):a(jQuery)}(function(a){return a.widget("ui.selectmenu",{version:"1.11.4",defaultElement:"<select>",options:{appendTo:null,disabled:null,icons:{button:"ui-icon-triangle-1-s"},position:{my:"left top",at:"left bottom",collision:"none"},width:null,change:null,close:null,focus:null,open:null,select:null},_create:function(){var a=this.element.uniqueId().attr("id");this.ids={element:a,button:a+"-button",menu:a+"-menu"},this._drawButton(),this._drawMenu(),this.options.disabled&&this.disable()},_drawButton:function(){var b=this;this.label=a("label[for='"+this.ids.element+"']").attr("for",this.ids.button),this._on(this.label,{click:function(a){this.button.focus(),a.preventDefault()}}),this.element.hide(),this.button=a("<span>",{"class":"ui-selectmenu-button ui-widget ui-state-default ui-corner-all",tabindex:this.options.disabled?-1:0,id:this.ids.button,role:"combobox","aria-expanded":"false","aria-autocomplete":"list","aria-owns":this.ids.menu,"aria-haspopup":"true"}).insertAfter(this.element),a("<span>",{"class":"ui-icon "+this.options.icons.button}).prependTo(this.button),this.buttonText=a("<span>",{"class":"ui-selectmenu-text"}).appendTo(this.button),this._setText(this.buttonText,this.element.find("option:selected").text()),this._resizeButton(),this._on(this.button,this._buttonEvents),this.button.one("focusin",function(){b.menuItems||b._refreshMenu()}),this._hoverable(this.button),this._focusable(this.button)},_drawMenu:function(){var b=this;this.menu=a("<ul>",{"aria-hidden":"true","aria-labelledby":this.ids.button,id:this.ids.menu}),this.menuWrap=a("<div>",{"class":"ui-selectmenu-menu ui-front"}).append(this.menu).appendTo(this._appendTo()),this.menuInstance=this.menu.menu({role:"listbox",select:function(a,c){a.preventDefault(),b._setSelection(),b._select(c.item.data("ui-selectmenu-item"),a)},focus:function(a,c){var d=c.item.data("ui-selectmenu-item");null!=b.focusIndex&&d.index!==b.focusIndex&&(b._trigger("focus",a,{item:d}),b.isOpen||b._select(d,a)),b.focusIndex=d.index,b.button.attr("aria-activedescendant",b.menuItems.eq(d.index).attr("id"))}}).menu("instance"),this.menu.addClass("ui-corner-bottom").removeClass("ui-corner-all"),this.menuInstance._off(this.menu,"mouseleave"),this.menuInstance._closeOnDocumentClick=function(){return!1},this.menuInstance._isDivider=function(){return!1}},refresh:function(){this._refreshMenu(),this._setText(this.buttonText,this._getSelectedItem().text()),this.options.width||this._resizeButton()},_refreshMenu:function(){this.menu.empty();var a,b=this.element.find("option");b.length&&(this._parseOptions(b),this._renderMenu(this.menu,this.items),this.menuInstance.refresh(),this.menuItems=this.menu.find("li").not(".ui-selectmenu-optgroup"),a=this._getSelectedItem(),this.menuInstance.focus(null,a),this._setAria(a.data("ui-selectmenu-item")),this._setOption("disabled",this.element.prop("disabled")))},open:function(a){this.options.disabled||(this.menuItems?(this.menu.find(".ui-state-focus").removeClass("ui-state-focus"),this.menuInstance.focus(null,this._getSelectedItem())):this._refreshMenu(),this.isOpen=!0,this._toggleAttr(),this._resizeMenu(),this._position(),this._on(this.document,this._documentClick),this._trigger("open",a))},_position:function(){this.menuWrap.position(a.extend({of:this.button},this.options.position))},close:function(a){this.isOpen&&(this.isOpen=!1,this._toggleAttr(),this.range=null,this._off(this.document),this._trigger("close",a))},widget:function(){return this.button},menuWidget:function(){return this.menu},_renderMenu:function(b,c){var d=this,e="";a.each(c,function(c,f){f.optgroup!==e&&(a("<li>",{"class":"ui-selectmenu-optgroup ui-menu-divider"+(f.element.parent("optgroup").prop("disabled")?" ui-state-disabled":""),text:f.optgroup}).appendTo(b),e=f.optgroup),d._renderItemData(b,f)})},_renderItemData:function(a,b){return this._renderItem(a,b).data("ui-selectmenu-item",b)},_renderItem:function(b,c){var d=a("<li>");return c.disabled&&d.addClass("ui-state-disabled"),this._setText(d,c.label),d.appendTo(b)},_setText:function(a,b){b?a.text(b):a.html("&#160;")},_move:function(a,b){var c,d,e=".ui-menu-item";this.isOpen?c=this.menuItems.eq(this.focusIndex):(c=this.menuItems.eq(this.element[0].selectedIndex),e+=":not(.ui-state-disabled)"),d="first"===a||"last"===a?c["first"===a?"prevAll":"nextAll"](e).eq(-1):c[a+"All"](e).eq(0),d.length&&this.menuInstance.focus(b,d)},_getSelectedItem:function(){return this.menuItems.eq(this.element[0].selectedIndex)},_toggle:function(a){this[this.isOpen?"close":"open"](a)},_setSelection:function(){var a;this.range&&(window.getSelection?(a=window.getSelection(),a.removeAllRanges(),a.addRange(this.range)):this.range.select(),this.button.focus())},_documentClick:{mousedown:function(b){this.isOpen&&(a(b.target).closest(".ui-selectmenu-menu, #"+this.ids.button).length||this.close(b))}},_buttonEvents:{mousedown:function(){var a;window.getSelection?(a=window.getSelection(),a.rangeCount&&(this.range=a.getRangeAt(0))):this.range=document.selection.createRange()},click:function(a){this._setSelection(),this._toggle(a)},keydown:function(b){var c=!0;switch(b.keyCode){case a.ui.keyCode.TAB:case a.ui.keyCode.ESCAPE:this.close(b),c=!1;break;case a.ui.keyCode.ENTER:this.isOpen&&this._selectFocusedItem(b);break;case a.ui.keyCode.UP:b.altKey?this._toggle(b):this._move("prev",b);break;case a.ui.keyCode.DOWN:b.altKey?this._toggle(b):this._move("next",b);break;case a.ui.keyCode.SPACE:this.isOpen?this._selectFocusedItem(b):this._toggle(b);break;case a.ui.keyCode.LEFT:this._move("prev",b);break;case a.ui.keyCode.RIGHT:this._move("next",b);break;case a.ui.keyCode.HOME:case a.ui.keyCode.PAGE_UP:this._move("first",b);break;case a.ui.keyCode.END:case a.ui.keyCode.PAGE_DOWN:this._move("last",b);break;default:this.menu.trigger(b),c=!1}c&&b.preventDefault()}},_selectFocusedItem:function(a){var b=this.menuItems.eq(this.focusIndex);b.hasClass("ui-state-disabled")||this._select(b.data("ui-selectmenu-item"),a)},_select:function(a,b){var c=this.element[0].selectedIndex;this.element[0].selectedIndex=a.index,this._setText(this.buttonText,a.label),this._setAria(a),this._trigger("select",b,{item:a}),a.index!==c&&this._trigger("change",b,{item:a}),this.close(b)},_setAria:function(a){var b=this.menuItems.eq(a.index).attr("id");this.button.attr({"aria-labelledby":b,"aria-activedescendant":b}),this.menu.attr("aria-activedescendant",b)},_setOption:function(a,b){"icons"===a&&this.button.find("span.ui-icon").removeClass(this.options.icons.button).addClass(b.button),this._super(a,b),"appendTo"===a&&this.menuWrap.appendTo(this._appendTo()),"disabled"===a&&(this.menuInstance.option("disabled",b),this.button.toggleClass("ui-state-disabled",b).attr("aria-disabled",b),this.element.prop("disabled",b),b?(this.button.attr("tabindex",-1),this.close()):this.button.attr("tabindex",0)),"width"===a&&this._resizeButton()},_appendTo:function(){var b=this.options.appendTo;return b&&(b=b.jquery||b.nodeType?a(b):this.document.find(b).eq(0)),b&&b[0]||(b=this.element.closest(".ui-front")),b.length||(b=this.document[0].body),b},_toggleAttr:function(){this.button.toggleClass("ui-corner-top",this.isOpen).toggleClass("ui-corner-all",!this.isOpen).attr("aria-expanded",this.isOpen),this.menuWrap.toggleClass("ui-selectmenu-open",this.isOpen),this.menu.attr("aria-hidden",!this.isOpen)},_resizeButton:function(){var a=this.options.width;a||(a=this.element.show().outerWidth(),this.element.hide()),this.button.outerWidth(a)},_resizeMenu:function(){this.menu.outerWidth(Math.max(this.button.outerWidth(),this.menu.width("").outerWidth()+1))},_getCreateOptions:function(){return{disabled:this.element.prop("disabled")}},_parseOptions:function(b){var c=[];b.each(function(b,d){var e=a(d),f=e.parent("optgroup");c.push({element:e,index:b,value:e.val(),label:e.text(),optgroup:f.attr("label")||"",disabled:f.prop("disabled")||e.prop("disabled")})}),this.items=c},_destroy:function(){this.menuWrap.remove(),this.button.remove(),this.element.show(),this.element.removeUniqueId(),this.label.attr("for",this.ids.element)}})});

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