@progress/kendo-ui/umd/kendo.multiselect.min.js

This package is part of the [Kendo UI for jQuery](http://www.telerik.com/kendo-ui) suite.

/* @license */
(function(e,t){typeof exports==`object`&&typeof module<`u`?t(exports,require(`kendo.list.min.js`),require(`kendo.mobile.scroller.min.js`),require(`kendo.virtuallist.min.js`),require(`kendo.html.chip.min.js`),require(`kendo.html.chiplist.min.js`),require(`kendo.html.button.min.js`),require(`kendo.core.min.js`)):typeof define==`function`&&define.amd?define([`exports`,`kendo.list.min`,`kendo.mobile.scroller.min`,`kendo.virtuallist.min`,`kendo.html.chip.min`,`kendo.html.chiplist.min`,`kendo.html.button.min`,`kendo.core.min`],t):(e=typeof globalThis<`u`?globalThis:e||self,t((e.kendo=e.kendo||{},e.kendo._globals=e.kendo._globals||{},e.kendo._globals.Multiselect={}),e.kendo._globals.List,e.kendo._globals.MobileScroller,e.kendo._globals.Virtuallist,e.kendo._globals.HtmlChip,e.kendo._globals.HtmlChiplist,e.kendo._globals.HtmlButton,e.kendo._globals.Core))})(this,function(e,t,n,r,i,a,o,s){Object.defineProperties(e,{__esModule:{value:!0},[Symbol.toStringTag]:{value:`Module`}});let c=kendo.jQuery;function l({widget:e,wrapper:t,options:n,prefixInsertBefore:r,suffixInsertAfter:i}){var a=n.prefixOptions,o=n.suffixOptions,s=a.template||a.icon,l=o.template||o.icon,i=i||r,u=n.layoutFlow,d=u?u==`vertical`?`horizontal`:`vertical`:`horizontal`,f=`<span class="k-input-separator k-input-separator-${u==`vertical`?`horizontal`:`vertical`}"></span>`,p,m;a&&s&&(p=t.children(`.k-input-prefix`),p[0]||(n._isInInlineAIPrompt&&(d=u||`horizontal`),p=c(`<span class="k-input-prefix k-input-prefix-${d}" />`),r?p.insertBefore(r):p.prependTo(t)),a.icon&&p.html(kendo.html.renderIcon({icon:a.icon,iconClass:a.iconClass})),a.template&&p.html(kendo.template(a.template)({})),a.separator&&c(f).insertAfter(p)),o&&l&&(m=t.children(`.k-input-suffix`),m[0]||(m=c(`<span class="k-input-suffix k-input-suffix-${d}" />`).appendTo(t),i?m.insertAfter(i):m.appendTo(t)),o.icon&&m.html(kendo.html.renderIcon({icon:o.icon,iconClass:o.iconClass})),o.template&&m.html(kendo.template(o.template)({})),o.separator&&c(f).insertBefore(m)),e._prefixContainer=p,e._suffixContainer=m}let u={id:`multiselect`,name:`MultiSelect`,category:`web`,description:`The MultiSelect widget allows the selection from pre-defined values.`,depends:[`list`,`html.chip`,`html.chiplist`,`html.button`],features:[{id:`mobile-scroller`,name:`Mobile scroller`,description:`Support for kinetic scrolling in mobile device`,depends:[`mobile.scroller`]},{id:`virtualization`,name:`VirtualList`,description:`Support for virtualization`,depends:[`virtuallist`]}]};(function(e,t){var n=window.kendo,r=n.ui,i=r.List,a=n.htmlEncode,o=n.html,s=e.extend({A:65},n.keys),c=n._activeElement,u=n.data.ObservableArray,d=`id`,f=`.k-chip`,p=`accept`,m=`filter`,h=`rebind`,g=`open`,_=`close`,v=`change`,y=`progress`,b=`select`,x=`deselect`,S=`aria-disabled`,C=`aria-readonly`,w=`aria-expanded`,T=`aria-hidden`,E=`aria-activedescendant`,D=`k-focus`,O=`k-selected`,k=`k-hover`,A=`k-disabled`,j=`k-no-click`,M=`disabled`,N=`readonly`,P=`off`,F=`.kendoMultiSelect`,I=`click`+F,L=`keydown`+F,R=`mouseenter`+F,z=`mouseleave`+F,B=R+` `+z,V=/"/g,H=Array.isArray,U=[`font-family`,`font-size`,`font-stretch`,`font-style`,`font-weight`,`letter-spacing`,`text-transform`,`line-height`],W=i.extend({init:function(t,r){var a=this,o,s;a.ns=F,i.fn.init.call(a,t,r),a._optionsMap={},a._customOptions={},a.options.inputMode=a.options.inputMode||a.element.attr(`inputmode`)||`text`,!n.isPresent(a.options.readonly)&&a.element.attr(`readonly`)?a.options.readonly=!0:n.isPresent(a.options.readonly)||(a.options.readonly=!1),a._wrapper(),a._inputValuesContainer(),a._tagList(),a._input(),a._textContainer(),a._clearButton(),a._arrowButton(),a._tabindex(a.input),t=a.element.attr(`multiple`,`multiple`).hide(),r=a.options,r.placeholder||=t.data(`placeholder`),o=t.attr(d),o||=n.guid(),o&&(a._tagID=o+`_tag_active`,o+=`_taglist`,a.tagList.attr(d,o)),a._initialOpen=!0,r.label&&this._label(),a._aria(),a._dataSource(),a._ignoreCase(),a._popup(),a._tagTemplate(),a.requireValueMapper(a.options),a._initList(),a._aria(),a.options.virtual&&a.listView.one(`listBound`,function(){a._aria()}),a.listView.bind(`dataBound`,function(){a._aria()}),a._reset(),a._enable(),a._placeholder(),r.autoBind?a.dataSource.fetch():r.value&&a._preselect(r.value),s=e(a.element).parents(`fieldset`).is(`:disabled`),s&&a.enable(!1),a._toggleCloseVisibility(),a._applyCssClasses(),l({widget:a,wrapper:a.wrapper,options:a.options,prefixInsertBefore:a._inputValuesContainer,suffixInsertAfter:r.clearButton?a._clear:a.element.find(`k-input-values`)}),a.floatingLabel&&a.floatingLabel.refresh(),n.notify(a)},options:{name:`MultiSelect`,tagMode:`multiple`,enabled:!0,autoBind:!0,autoClose:!0,readonly:null,highlightFirst:!0,dataTextField:``,dataValueField:``,filter:`startswith`,ignoreCase:!0,minLength:1,messages:{singleTag:`item(s) selected`,clear:`clear`,deleteTag:`delete`,noData:`No data found.`,downArrow:`select`},enforceMinLength:!1,delay:100,downArrow:!1,value:null,maxSelectedItems:null,placeholder:``,height:200,animation:{},virtual:!1,itemTemplate:``,tagTemplate:``,groupTemplate:e=>a(e),fixedGroupTemplate:e=>a(e),prefixOptions:{separator:!0},suffixOptions:{separator:!0},clearButton:!0,autoWidth:!1,popup:null,size:t,fillMode:t,rounded:t,label:null,adaptiveTitle:null,adaptiveSubtitle:null},events:[g,_,v,b,x,`filtering`,`dataBinding`,`dataBound`],setDataSource:function(e){this.options.dataSource=e,this._state=``,this._dataSource(),this.persistTagList=!1,this.listView.setDataSource(this.dataSource),this.options.autoBind&&this.dataSource.fetch()},setOptions:function(e){var t=this._listOptions(e);i.fn.setOptions.call(this,e),this.listView.setOptions(t),this._accessors(),this._aria(),this._tagTemplate(),this._placeholder(),this._clearButton(),this._arrowButton()},currentTag:function(e){var n=this;if(e!==t)n._currentTag&&(n._currentTag.removeClass(D).removeAttr(d),n._currentTag.find(`.k-chip-action`).attr(T,!0),n.input.removeAttr(E)),e&&(e.addClass(D).attr(d,n._tagID),e.find(`.k-chip-action`).removeAttr(T),n.input.attr(E,n._tagID)),n._currentTag=e;else return n._currentTag},dataItems:function(){return this.listView.selectedDataItems()},destroy:function(){var e=this,t=e.ns;clearTimeout(e._busy),clearTimeout(e._typingTimeout),e.filterInput&&e.filterInput.off(t),e.wrapper.off(t),e.tagList.off(t),e.input.off(t),e._clear.off(t),i.fn.destroy.call(e)},_onActionSheetCreate:function(){var e=this;e.filterInput.on(`keydown`+F,e._keydown.bind(e)).on(`input`+F,e._search.bind(e)).on(`paste`+F,e._search.bind(e)).attr({role:`combobox`,"aria-expanded":!1,"aria-controls":e.input.attr(`aria-controls`),"aria-autocomplete":e.input.attr(`aria-autocomplete`),"aria-describedby":e.input.attr(`aria-describedby`),placeholder:e.options.placeholder}),e.popup.bind(`activate`,()=>{e.filterInput.val(e.input.val()),e.filterInput.trigger(`focus`)}),e.popup.bind(`deactivate`,()=>{e.input.trigger(`focus`)})},_aria:function(){var e=this,t=e.ul,n=t.length?t[0].id:null,r=this.options.filter===`none`?`none`:`list`,i=e.tagList.attr(d);n&&(e.input.attr({role:`combobox`,"aria-expanded":!1,"aria-controls":n,"aria-autocomplete":r,"aria-describedby":i}),e._ariaLabel(e._focused))},_updateSelectedVirtualDataItemsIndexes:function(){let e=this,n=e.listView,r=n?._selectedIndexes,i=n?._selectedDataItems,a=e?._customOptions||{},o=e._optionsMap||{};r&&i&&r.forEach((n,r)=>{let s=e.options.dataValueField,c=i[r],l=o[c[s]];a[c[s]]=l===t?a[c[s]]:l})},_activateItem:function(){this.popup.visible()&&i.fn._activateItem.call(this),this.currentTag(null)},_listOptions:function(t){var r=this,o=i.fn._listOptions.call(r,e.extend(t,{selectedItemChange:r._selectedItemChange.bind(r),selectable:`multiple`})),s=this.options.itemTemplate||this.options.template,c=o.itemTemplate||s||o.template;return c||=e=>a(n.getter(o.dataTextField)(e)),o.template=c,o},_setListValue:function(){i.fn._setListValue.call(this,this._initialValues.slice(0))},_listChange:function(e){var n=this.dataSource.flatView(),r=this._optionsMap,i=this._value;this._state===h&&(this._state=``);for(var a=0;a<e.added.length;a++)if(r[i(e.added[a].dataItem)]===t){this._render(n);break}this._selectValue(e.added,e.removed)},_selectedItemChange:function(e){var t=e.items,n,r;for(r=0;r<t.length;r++)n=t[r],this.tagList.children(f).eq(n.index).children(`span`).first().html(this.tagTextTemplate(n.item))},_wrapperMousedown:function(t){var r=this,i=t.target.nodeName.toLowerCase()!==`input`,a=e(t.target),o=a.closest(`.k-input-button, .k-chip`).children(`[class*='-i-caret-alt-down']`)[0],s=a.closest(`[class*='-i-x']`)[0];i&&!(s&&n.support.mobileOS)&&t.cancelable&&t.preventDefault(),s||(o&&r.popup.visible()?r.toggle(!1):(r.input[0]!==c()&&i&&r.input.trigger(`focus`),r.options.minLength===1&&!r.popup.visible()&&r.open()))},_inputFocus:function(){let e=this;e._placeholder(),e.wrapper.addClass(D)},_inputFocusout:function(e){var t=this;t.filterInput&&e.relatedTarget===t.filterInput[0]||(clearTimeout(t._typingTimeout),t.wrapper.removeClass(D),t.tagList.children(f).removeClass(D),t._placeholder(),t.close(),t._state===m&&(t._state=p,t.listView.skipUpdate(!0)),t.listView.bound()&&t.listView.isFiltered()&&(t.persistTagList=!0,t._clearFilter()),t.element.trigger(`blur`))},_removeTag:function(n,r){var i=this,a=i._state,o=n.index(),s=i.listView,c=s.value()[o],l=i.listView.selectedDataItems()[o],u=i._customOptions[c],d=s.items().toArray(),f,h;if(i.trigger(x,{dataItem:l,item:n})){i._close();return}u===t&&(a===p||a===m)&&(u=i._optionsMap[c]);var g=function(){i.currentTag(null),r&&i._change(),i._refreshTagListAria(),i._close()};u===t&&s.select().length?(i.persistTagList=!1,s.select(s.select()[o]).done(g)):(f=i.element[0].children[u],f&&(f.selected=!1),s.removeAt(o),s._removedAddedIndexes&&s._removedAddedIndexes.splice(o,1),h=d[u],h&&e(h).removeClass(`k-selected`),i.options.tagMode===`single`?i._updateTagListHTML():n.remove(),g()),this._placeholder()},_tagListClick:function(t){t.preventDefault(),t.stopPropagation();var n=e(t.currentTarget);n.is(`[class*='-i-x-circle']`)&&this._removeTag(n.closest(f),!0)},_clearValue:function(){var t=this;t.options.tagMode===`single`?t._clearSingleTagValue():t.tagList.children(f).each(function(n,r){t._removeTag(e(r),!1)}),t.input.val(``),t._search(!0),t._change(),t.focus(),t._hideClear(),t._state===m&&(t._state=p)},_clearSingleTagValue:function(){for(var e=this,t=e.dataItems(),n=e.tagList.children(f),r=e.persistTagList,i=0;i<t.length;i+=1)if(e.trigger(x,{dataItem:t[i],item:n.first()})){e._close();return}r&&(e.persistTagList=!1),e.listView.value([]),e.persistTagList=r},_focusHandler:function(){var e=this.input,t=c();e[0]===t||this.input.trigger(`focus`)},_editable:function(t){var n=this,r=t.disable,i=t.readonly,a=n.wrapper.off(F),o=n.tagList.off(F),s=n.input.off(F);!i&&!r?(a.removeClass(A).removeClass(j).on(B,n._toggleHover).on(`mousedown`+F+` touchend`+F,n._wrapperMousedown.bind(n)).on(I,n._focusHandler.bind(n)),n.input.on(L,n._keydown.bind(n)).on(`paste`+F,n._search.bind(n)).on(`input`+F,n._search.bind(n)).on(`focus`+F,n._inputFocus.bind(n)).on(`focusout`+F,n._inputFocusout.bind(n)),n._clear.on(I+` touchend`+F,n._clearValue.bind(n)),s.prop(M,!1).prop(N,!1).attr(S,!1).attr(C,!1),n.element.prop(M,!1),o.on(R,f,function(){e(this).addClass(k)}).on(z,f,function(){e(this).removeClass(k)}).on(I+` touchend`+F,`.k-chip .k-icon,.k-chip .k-svg-icon`,n._tagListClick.bind(n))):(a.toggleClass(A,r).toggleClass(j,i),s.attr(M,r).attr(N,i).attr(S,r).attr(C,i),n.element.prop(M,r))},_close:function(){var e=this;e.options.autoClose?e.close():e.popup.position()},_filterSource:function(e,t){t||=this._retrieveData,this._retrieveData=!1,i.fn._filterSource.call(this,e,t)},close:function(){this._activeItem=null,this.input.removeAttr(E),this.popup.close()},open:function(){var t=this,n=t.input.val().toLowerCase(),r=t.listView.dataSource.filter(),i=``;r&&r.filters.length>0&&(i=(r.filters[0].value||``).toString().toLowerCase()),t._request&&(t._retrieveData=!1),t._retrieveData||!t.listView.bound()||t._state===p&&n!==i?(t._open=!0,t._state=h,t.listView.skipUpdate(!0),t.persistTagList=!(t._initialOpen&&!t.listView.bound()),t._filterSource(),t._focusItem()):t._allowOpening()&&(t._initialOpen&&!t.options.autoBind&&!t.options.virtual&&t.options.value&&!e.isPlainObject(t.options.value[0])&&t.value(t.value()||t._initialValues),t.popup._hovered=!0,t._initialOpen=!1,t.popup.open({altTarget:t.wrapper.add(t.element).add(t.input)}),t._focusItem())},toggle:function(e){e=e===t?!this.popup.visible():e,this[e?g:_]()},refresh:function(){this.listView.refresh()},_floatCheck:function(){return this.listView?!(this.value()&&this.value().length)&&!this.popup.visible():!0},_listBound:function(){var e=this,t=e.dataSource.flatView();e._render(t),e._renderFooter(),e._renderNoData(),e._toggleNoData(!t.length),e._resizePopup(),e._open&&(e._open=!1,e.toggle(e._allowOpening())),e.popup.position(),e._updateItemFocus(),e.options?.virtual?.mapValueTo===`dataItem`&&e._updateSelectedVirtualDataItemsIndexes(),e._touchScroller&&e._touchScroller.reset(),e._hideBusy(),e.trigger(`dataBound`)},_updateItemFocus:function(){var e=this,n=e.dataSource.flatView(),r=e.listView.skip(),i=r===t||r===0;n.length&&i&&(e.options.highlightFirst?e.listView.focusFirst():e.listView.focus(-1))},_inputValue:function(){var e=this,t=e.filterInput&&c()===e.filterInput[0]?e.filterInput.val():e.input.val();return e.options.placeholder===t&&(t=``),t},value:function(e){var n=this,r=n.listView,i=r.value().slice(),a=n.options.maxSelectedItems,o=r.bound()&&r.isFiltered();if(e===t)return i;n.persistTagList=!1,n.requireValueMapper(n.options,e),e=n._normalizeValues(e),a!==null&&e.length>a&&(e=e.slice(0,a)),o&&n._clearFilter(),r.value(e),n._old=n._valueBeforeCascade=e.slice(),o||n._fetchData(),n._toggleCloseVisibility()},_preselect:function(t,r){var i=this;!H(t)&&!(t instanceof n.data.ObservableArray)&&(t=[t]),(e.isPlainObject(t[0])||t[0]instanceof n.data.ObservableObject||!i.options.dataValueField)&&(i.dataSource.data(t),i.value(r||i._initialValues),i._retrieveData=!0)},_setOption:function(e,t){var n=this.element[0].children[this._optionsMap[e]];n&&(n.selected=t)},_fetchData:function(){var e=this,t=!!e.dataSource.view().length;e.listView.value().length===0||e._request||(e._retrieveData||!e._fetch&&!t)&&(e._fetch=!0,e._retrieveData=!1,e.dataSource.read().done(function(){e._fetch=!1}))},_isBound:function(){return this.listView.bound()&&!this._retrieveData},_dataSource:function(){var e=this,t=e.element,r=e.options,i=r.dataSource||{};i=H(i)?{data:i}:i,i.select=t,i.fields=[{field:r.dataTextField},{field:r.dataValueField}],e.dataSource&&e._refreshHandler?e._unbindDataSource():(e._progressHandler=e._showBusy,e._endRequestHandler=e._hideBusy,e._errorHandler=function(){e._hideBusy()}),e.dataSource=n.data.DataSource.create(i).bind(y,e._progressHandler).bind(`requestEnd`,e._endRequestHandler).bind(`error`,e._errorHandler)},_reset:function(){var t=this,n=t.element,r=n.attr(`form`),i=r?e(`#`+r):n.closest(`form`);i[0]&&(t._resetHandler=function(){setTimeout(function(){t.value(t._initialValues),t._placeholder()})},t._form=i.on(`reset`,t._resetHandler))},_initValue:function(){var e=this.options.value||this.element.val();this._old=this._initialValues=this._normalizeValues(e)},_normalizeValues:function(t){var n=this;return t===null?t=[]:t&&e.isPlainObject(t)?t=[n._value(t)]:t&&e.isPlainObject(t[0])?t=e.map(t,function(e){return n._value(e)}):!H(t)&&!(t instanceof u)?t=[t]:H(t)&&(t=t.slice()),t},_change:function(){var e=this,t=e.value();G(t,e._old)||(e._old=t.slice(),e.trigger(v),e.element.trigger(v)),e.popup.position(),e._toggleCloseVisibility()},_click:function(e){var t=this,n=e.item;e.preventDefault(),t._select(n).done(function(){t._activeItem=n,t._change(),t._close()})},_getActiveItem:function(){return this._activeItem||e(this.listView.items()[this._getSelectedIndices().length-1])||this.listView.focus()},_getSelectedIndices:function(){return this.listView._selectedIndices||this.listView._selectedIndexes},_keydown:function(r){var i=this,a=r.keyCode,o=i._currentTag,c=i.listView,l=i.input.val(),u=n.support.isRtl(i.wrapper),d=i.popup.visible(),m=0,h,g=!1;if(a!==s.ENTER&&(this._multipleSelection=!1),a===s.DOWN){if(r.preventDefault(),!d){i.open(),c.focus()||c.focusFirst(),r.stopPropagation();return}c.focus()?(!i._activeItem&&r.shiftKey&&(i._activeItem=c.focus(),m=-1),h=c.getElementIndex(i._getActiveItem().first()),c.focusNext(),c.focus()?r.shiftKey&&!i.options.virtual&&(this._multipleSelection=!0,i._selectRange(h,c.getElementIndex(c.focus().first())+m)):c.focusLast()):c.focusFirst(),g=!0}else if(a===s.UP)d&&(!i._activeItem&&r.shiftKey&&(i._activeItem=c.focus(),m=1),h=c.getElementIndex(i._getActiveItem().first()),c.focusPrev(),c.focus()?r.shiftKey&&!i.options.virtual&&(this._multipleSelection=!0,i._selectRange(h,c.getElementIndex(c.focus().first())+m)):i.close()),g=!0,r.preventDefault();else if(a===s.LEFT&&!u||a===s.RIGHT&&u)l||(o=o?o.prev(f):i.tagList.children(f).last(),o[0]&&i.currentTag(o)),g=!0;else if(a===s.RIGHT&&!u||a===s.LEFT&&u)!l&&o&&(o=o.next(f),i.currentTag(o[0]?o:null)),g=!0;else if(r.ctrlKey&&!r.altKey&&a===s.A&&d&&!i.options.virtual)this._multipleSelection=!0,this._getSelectedIndices().length===c.items().length&&(i._activeItem=null),c.items().length&&i._selectRange(0,c.items().length-1),g=!0;else if(a===s.ENTER&&d){if(!c.focus()){r.stopPropagation();return}if(r.preventDefault(),this._multipleSelection&&(this._multipleSelection=!1,c.focus().hasClass(O))){i._close(),r.stopPropagation();return}i._select(c.focus()).done(function(){i._change(),i._close()}),g=!0}else if(a===s.SPACEBAR&&r.ctrlKey&&d)i._activeItem&&c.focus()&&c.focus()[0]===i._activeItem[0]&&(i._activeItem=null),e(c.focus()).hasClass(O)||(i._activeItem=c.focus()),i._select(c.focus()).done(function(){i._change()}),g=!0,r.preventDefault();else if(a===s.SPACEBAR&&r.shiftKey&&d&&!i.options.virtual){var 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