{"version":3,"sources":["kendo.virtuallist.js"],"names":["f","define","$","undefined","lastFrom","array","length","toArray","value","Array","isPrimitive","dataItem","getItemCount","screenHeight","listScreens","itemHeight","Math","ceil","appendChild","parent","className","tagName","element","document","createElement","getDefaultItemHeight","lineHeight","mockList","css","position","left","visibility","appendTo","body","parseFloat","kendo","getComputedStyles","find","remove","bufferSizes","opposite","down","up","listValidator","options","downThreshold","threshold","upThreshold","list","scrollTop","lastScrollTop","top","scrollCallback","callback","force","syncList","reorder","items","index","y","support","browser","msie","version","style","webkitTransform","transform","map2","templates","arr1","arr2","i","len","item","this","trigger","ITEMCHANGE","data","ns","ui","reshift","diff","range","splice","push","apply","unshift","render","itemTemplate","template","placeholderTemplate","angular","elements","attr","uid","html","toggleClass","FOCUSED","current","SELECTED","selected","newGroup","GROUPITEM","groupTemplate","group","mapChangedItems","itemsToMatch","found","j","itemsLength","selectedLength","changed","unchanged","isActivePromise","promise","state","window","Widget","DataBoundWidget","proxy","WRAPPER","VIRTUALLIST","CONTENT","LIST","HEADER","VIRTUALITEM","ITEM","HEIGHTCONTAINER","HOVER","CHANGE","CLICK","LISTBOUND","ACTIVATE","DEACTIVATE","VIRTUAL_LIST_NS","VirtualList","extend","init","that","bound","_fetching","fn","call","addClass","content","wrap","wrapper","header","before","prev","on","removeClass","_values","_selectedDataItems","_selectedIndexes","_rangesList","_promisesList","_optionID","guid","_templates","setDataSource","dataSource","throttle","_renderItems","_triggerListBound","delay","_selectable","name","autoBind","height","oppositeBuffer","type","selectable","dataValueField","fixedGroupTemplate","mapValueTo","valueMapper","events","setOptions","_selectProxy","off","refresh","_items","destroy","unbind","_refreshHandler","source","isArray","DataSource","create","_clean","_deferValueSet","mute","bind","setDSFilter","filter","view","fetch","skip","currentRangeStart","_selectingValue","_skip","_getValues","dataItems","getter","_valueGetter","map","e","result","action","isItemChange","filtered","isFiltered","_mute","focus","_createList","skipUpdateOnBind","done","removeAt","setValue","_forcePrefetch","shouldClear","slice","_valueDeferred","Deferred","select","_prefetchByValue","idx","dataView","_dataView","valueGetter","match","forSelection","success","response","mapValueToIndex","mapValueToDataItem","indexes","removed","_deselect","_triggerChange","added","resolve","deferredRange","take","itemCount","ranges","defs","low","floor","high","pages","each","_","deferred","end","existingRange","_multiplePrefetch","when","then","prefetch","isEmptyList","_activeDeferred","_getSkip","_findDataItem","_getRange","_findRange","min","total","dataItemByIndex","selectedDataItems","scrollWith","scrollTo","scrollToIndex","candidate","id","triggerEvent","flatView","isNaN","parseInt","_getElementByIndex","_focusedIndex","hasClass","removeAttr","_getElementLocation","_screenHeight","focusIndex","focusFirst","focusLast","lastIndex","heightContainer","offsetHeight","focusPrev","focusNext","indices","isAlreadySelected","singleSelection","prefetchStarted","_selectDeferred","_getIndecies","_deselectCurrentValues","_select","_listCreated","_lastDSFilter","Query","compareFilters","skipUpdate","noop","_getElementByDataItem","_lastScrollTop","empty","_height","hasData","setScreenHeight","yPosition","yDownPostion","screenEnd","key","_generateItems","count","tabIndex","setAttribute","minHeight","_saveInitialRanges","_ranges","start","get","_buildValueGetter","_setHeight","hide","show","_getter","_onScroll","getList","_listItems","_fixedHeader","_whenChanged","_reorderList","_calculateGroupPadding","currentHeight","padHeight","innerHTML","lastRequestedRange","lastRangeStart","pageSize","flatGroups","rangeStart","flatGroup","groups","groupLength","inRange","_getterDeferred","reject","firstItemIndex","_indexConstraint","firstVisibleGroup","currentVisibleGroup","firstVisibleDataItemIndex","firstVisibleDataItem","_itemMapper","listType","currentIndex","_currentGroup","_range","_view","_getDataItemsCollection","_listIndex","theValidator","theNew","currentOffset","Infinity","list2","offset","range2","abs","_bufferSizes","max","buffers","getElementIndex","jQuery","elementIndex","selectedIndex","selectedIndexes","removedindexesCounter","inArray","_deselectSingleItem","children","values","page","oldSkip","_clickHandler","currentTarget","isDefaultPrevented","firstItem","first","groupHeader","padding","display","scrollbar","plugin","amd","a1","a2","a3"],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;CAwBC,SAAUA,EAAGC,QACVA,OAAO,qBAAsB,cAAeD,IAC9C,WAwtCE,MAhtCC,UAAUE,EAAGC,GAEV,QAASC,GAASC,GACd,MAAOA,GAAMA,EAAMC,OAAS,GAEhC,QAASC,GAAQC,GACb,MAAOA,aAAiBC,OAAQD,GAASA,GAE7C,QAASE,GAAYC,GACjB,MAA2B,gBAAbA,IAA6C,gBAAbA,IAA6C,iBAAbA,GAElF,QAASC,GAAaC,EAAcC,EAAaC,GAC7C,MAAOC,MAAKC,KAAKJ,EAAeC,EAAcC,GAElD,QAASG,GAAYC,EAAQC,EAAWC,GACpC,GAAIC,GAAUC,SAASC,cAAcH,GAAW,MAKhD,OAJID,KACAE,EAAQF,UAAYA,GAExBD,EAAOD,YAAYI,GACZA,EAEX,QAASG,KACL,GAAgGC,GAA5FC,EAAWzB,EAAE,6EASjB,OARAyB,GAASC,KACLC,SAAU,WACVC,KAAM,YACNC,WAAY,WAEhBJ,EAASK,SAAST,SAASU,MAC3BP,EAAaQ,WAAWC,EAAMC,kBAAkBT,EAASU,KAAK,WAAW,IAAK,gBAAgB,gBAC9FV,EAASW,SACFZ,EAEX,QAASa,GAAY1B,EAAcC,EAAa0B,GAC5C,OACIC,KAAM5B,EAAe2B,EACrBE,GAAI7B,GAAgBC,EAAc,EAAI0B,IAG9C,QAASG,GAAcC,EAAS/B,GAAhC,GACQgC,IAAiBD,EAAQ9B,YAAc,EAAI8B,EAAQE,WAAajC,EAChEkC,EAAcH,EAAQE,UAAYjC,CACtC,OAAO,UAAUmC,EAAMC,EAAWC,GAC9B,MAAID,GAAYC,EACLD,EAAYD,EAAKG,IAAMN,EAEV,IAAbG,EAAKG,KAAaF,EAAYD,EAAKG,IAAMJ,GAI5D,QAASK,GAAe9B,EAAS+B,GAC7B,MAAO,UAAUC,GACb,MAAOD,GAAS/B,EAAQ2B,UAAWK,IAG3C,QAASC,GAASC,GACd,MAAO,UAAUR,EAAMM,GAEnB,MADAE,GAAQR,EAAKS,MAAOT,EAAKU,MAAOJ,GACzBN,GAGf,QAASnB,GAASP,EAASqC,GACnBxB,EAAMyB,QAAQC,QAAQC,MAAQ3B,EAAMyB,QAAQC,QAAQE,QAAU,GAC9DzC,EAAQ0C,MAAMb,IAAMQ,EAAI,MAExBrC,EAAQ0C,MAAMC,gBAAkB,cAAgBN,EAAI,MACpDrC,EAAQ0C,MAAME,UAAY,cAAgBP,EAAI,OAGtD,QAASQ,GAAKd,EAAUe,GACpB,MAAO,UAAUC,EAAMC,GACnB,IAAK,GAAIC,GAAI,EAAGC,EAAMH,EAAK/D,OAAQiE,EAAIC,EAAKD,IACxClB,EAASgB,EAAKE,GAAID,EAAKC,GAAIH,GACvBE,EAAKC,GAAGE,MACRC,KAAKC,QAAQC,GACTH,KAAMvE,EAAEmE,EAAKE,IACbM,KAAMP,EAAKC,GAAGE,KACdK,GAAI3C,EAAM4C,MAM9B,QAASC,GAAQvB,EAAOwB,GACpB,GAAIC,EAQJ,OAPID,GAAO,GACPC,EAAQzB,EAAM0B,OAAO,EAAGF,GACxBxB,EAAM2B,KAAKC,MAAM5B,EAAOyB,KAExBA,EAAQzB,EAAM0B,OAAOF,GAAOA,GAC5BxB,EAAM6B,QAAQD,MAAM5B,EAAOyB,IAExBA,EAEX,QAASK,GAAOjE,EAASuD,EAAMT,GAC3B,GAAIoB,GAAepB,EAAUqB,QAC7BnE,GAAUpB,EAAEoB,GACPuD,EAAKJ,OACNe,EAAepB,EAAUsB,qBAE7BhB,KAAKiB,QAAQ,UAAW,WACpB,OAASC,UAAWtE,MAExBA,EAAQuE,KAAK,WAAYhB,EAAKJ,KAAOI,EAAKJ,KAAKqB,IAAM,IAAID,KAAK,oBAAqBhB,EAAKnB,OAAOqC,KAAKP,EAAaX,EAAKJ,WACtHnD,EAAQ0E,YAAYC,EAASpB,EAAKqB,SAClC5E,EAAQ0E,YAAYG,EAAUtB,EAAKuB,UACnC9E,EAAQ0E,YAAY,UAAWnB,EAAKwB,UACpC/E,EAAQ0E,YAAY,kBAAmBnB,EAAKJ,MACzB,IAAfI,EAAKnB,OAAemB,EAAKwB,UACzBnG,EAAE,cAAgBoG,EAAY,WAAWtE,SAASV,GAASyE,KAAK3B,EAAUmC,cAAc1B,EAAK2B,QAE7F3B,EAAK1B,MAAQhD,GACb0B,EAASP,EAAQ,GAAIuD,EAAK1B,KAE9BuB,KAAKiB,QAAQ,UAAW,WACpB,OACIC,UAAWtE,GACXuD,OACQlE,SAAUkE,EAAKJ,KACf+B,MAAO3B,EAAK2B,MACZH,SAAUxB,EAAKwB,cAKnC,QAASI,GAAgBL,EAAUM,GAAnC,GAGQ/F,GACAgG,EACApC,EAAGqC,EAJHC,EAAcH,EAAapG,OAC3BwG,EAAiBV,EAAS9F,OAI1ByG,KACAC,IACJ,IAAIF,EACA,IAAKvC,EAAI,EAAGA,EAAIuC,EAAgBvC,IAAK,CAGjC,IAFA5D,EAAWyF,EAAS7B,GACpBoC,GAAQ,EACHC,EAAI,EAAGA,EAAIC,EAAaD,IACzB,GAAIjG,IAAa+F,EAAaE,GAAI,CAC9BD,GAAQ,EACRI,EAAQ3B,MACJ1B,MAAOa,EACPE,KAAM9D,GAEV,OAGHgG,GACDK,EAAU5B,KAAKzE,GAI3B,OACIoG,QAASA,EACTC,UAAWA,GAGnB,QAASC,GAAgBC,GACrB,MAAOA,IAA+B,aAApBA,EAAQC,QA/JjC,GACOhF,GAAQiF,OAAOjF,MAAO4C,EAAK5C,EAAM4C,GAAIsC,EAAStC,EAAGsC,OAAQC,EAAkBvC,EAAGuC,gBAAiBC,EAAQrH,EAAEqH,MAAOC,EAAU,iBAAkBC,EAAc,iBAAkBC,EAAU,oBAAqBC,EAAO,SAAUC,EAAS,iBAAkBC,EAAc,iBAAkBC,EAAO,SAAUC,EAAkB,qBAAsBzB,EAAY,UAAWH,EAAW,mBAAoBF,EAAU,kBAAmB+B,EAAQ,gBAAiBC,EAAS,SAAUC,EAAQ,QAASC,EAAY,YAAavD,EAAa,aAAcwD,EAAW,WAAYC,EAAa,aAAcC,EAAkB,eAgKxlBC,EAAcjB,EAAgBkB,QAC9BC,KAAM,SAAUnH,EAASsB,GACrB,GAAI8F,GAAOhE,IACXgE,GAAKC,OAAM,GACXD,EAAKE,WAAY,EACjBvB,EAAOwB,GAAGJ,KAAKK,KAAKJ,EAAMpH,EAASsB,GAC9B8F,EAAK9F,QAAQ7B,aACd2H,EAAK9F,QAAQ7B,WAAaU,KAE9BmB,EAAU8F,EAAK9F,QACf8F,EAAKpH,QAAQyH,SAASpB,EAAO,IAAMF,GAAa5B,KAAK,OAAQ,WAC7D6C,EAAKM,QAAUN,EAAKpH,QAAQ2H,KAAK,iCAAsCvB,EAAU,YAAavG,SAC9FuH,EAAKQ,QAAUR,EAAKM,QAAQC,KAAK,eAAkBzB,EAAU,YAAarG,SAC1EuH,EAAKS,OAAST,EAAKM,QAAQI,OAAO,eAAkBxB,EAAS,YAAayB,OAC1EX,EAAKpH,QAAQgI,GAAG,aAAehB,EAAiB,0BAA2B,WACvEpI,EAAEwE,MAAMqE,SAASf,KAClBsB,GAAG,aAAehB,EAAiB,KAAM,WACxCpI,EAAEwE,MAAM6E,YAAYvB,KAExBU,EAAKc,QAAUjJ,EAAQmI,EAAK9F,QAAQpC,OACpCkI,EAAKe,sBACLf,EAAKgB,oBACLhB,EAAKiB,eACLjB,EAAKkB,iBACLlB,EAAKmB,UAAY1H,EAAM2H,OACvBpB,EAAKqB,aACLrB,EAAKsB,cAAcpH,EAAQqH,YAC3BvB,EAAKM,QAAQM,GAAG,SAAWhB,EAAiBnG,EAAM+H,SAAS,WACvDxB,EAAKyB,eACLzB,EAAK0B,qBACNxH,EAAQyH,QACX3B,EAAK4B,eAET1H,SACI2H,KAAM,cACNC,UAAU,EACVH,MAAO,IACPI,OAAQ,KACR3J,YAAa,EACbgC,UAAW,GACX/B,WAAY,KACZ2J,eAAgB,EAChBC,KAAM,OACNC,YAAY,EACZpK,SACAqK,eAAgB,KAChBpF,SAAU,UACVC,oBAAqB,aACrBa,cAAe,UACfuE,mBAAoB,wBACpBC,WAAY,QACZC,YAAa,MAEjBC,QACIhD,EACAC,EACAC,EACAvD,EACAwD,EACAC,GAEJ6C,WAAY,SAAUtI,GAClByE,EAAOwB,GAAGqC,WAAWpC,KAAKpE,KAAM9B,GAC5B8B,KAAKyG,cAAgBzG,KAAK9B,QAAQgI,cAAe,EACjDlG,KAAKpD,QAAQ8J,IAAIlD,EAAO,IAAML,EAAanD,KAAKyG,eACxCzG,KAAKyG,cAAgBzG,KAAK9B,QAAQgI,YAC1ClG,KAAK4F,cAET5F,KAAKqF,aACLrF,KAAK2G,WAET5H,MAAO,WACH,MAAOvD,GAAEwE,KAAK4G,SAElBC,QAAS,WACL7G,KAAKwE,QAAQkC,IAAI9C,GACjB5D,KAAKuF,WAAWuB,OAAOvD,EAAQvD,KAAK+G,iBACpCpE,EAAOwB,GAAG0C,QAAQzC,KAAKpE,OAE3BsF,cAAe,SAAU0B,GAAV,GAGPlL,GAFAkI,EAAOhE,KACPuF,EAAayB,KAEjBzB,GAAa/J,EAAEyL,QAAQ1B,IAAgBpF,KAAMoF,GAAeA,EAC5DA,EAAa9H,EAAM0C,KAAK+G,WAAWC,OAAO5B,GACtCvB,EAAKuB,YACLvB,EAAKuB,WAAWuB,OAAOvD,EAAQS,EAAK+C,iBACpC/C,EAAKoD,SACLpD,EAAKC,OAAM,GACXD,EAAKqD,gBAAiB,EACtBvL,EAAQkI,EAAKlI,QACbkI,EAAKlI,UACLkI,EAAKsD,KAAK,WACNtD,EAAKlI,MAAMA,MAGfkI,EAAK+C,gBAAkBvL,EAAEqH,MAAMmB,EAAK2C,QAAS3C,GAEjDA,EAAKuB,WAAaA,EAAWgC,KAAKhE,EAAQS,EAAK+C,iBAC/C/C,EAAKwD,YAAYjC,EAAWkC,UACK,IAA7BlC,EAAWmC,OAAO9L,OAClBoI,EAAK2C,UACE3C,EAAK9F,QAAQ4H,UACpBP,EAAWoC,SAGnBC,KAAM,WACF,MAAO5H,MAAKuF,WAAWsC,qBAE3BnC,kBAAmB,WAAA,GACX1B,GAAOhE,KACP4H,EAAO5D,EAAK4D,MACZ5D,GAAKC,UAAYD,EAAK8D,iBAAmB9D,EAAK+D,QAAUH,IACxD5D,EAAK+D,MAAQH,EACb5D,EAAK/D,QAAQwD,KAGrBuE,WAAY,SAAUC,GAClB,GAAIC,GAASlI,KAAKmI,YAClB,OAAO3M,GAAE4M,IAAIH,EAAW,SAAUhM,GAC9B,MAAOiM,GAAOjM,MAGtB0K,QAAS,SAAU0B,GAAV,GAKDC,GAJAtE,EAAOhE,KACPuI,EAASF,GAAKA,EAAEE,OAChBC,EAA0B,eAAXD,EACfE,EAAWzI,KAAK0I,YAEhB1E,GAAK2E,QAGT3E,EAAKqD,gBAAiB,EACjBrD,EAAKE,WAiBFF,EAAKyB,cACLzB,EAAKyB,cAAa,GAEtBzB,EAAK0B,sBAnBD+C,GACAzE,EAAK4E,MAAM,GAEf5E,EAAK6E,cACAN,IAAUvE,EAAKc,QAAQlJ,QAAW6M,GAAazE,EAAK9F,QAAQ4K,kBAQ7D9E,EAAKC,OAAM,GACXD,EAAK0B,sBARL1B,EAAK8D,iBAAkB,EACvB9D,EAAKlI,MAAMkI,EAAKc,SAAS,GAAMiE,KAAK,WAChC/E,EAAKC,OAAM,GACXD,EAAK8D,iBAAkB,EACvB9D,EAAK0B,yBAYb8C,GAA2B,WAAXD,KAChBD,EAASvG,EAAgBiC,EAAKe,mBAAoBsD,EAAEtJ,OAChDuJ,EAAOjG,QAAQzG,SACX4M,EACAxE,EAAK/D,QAAQ,sBAAwBlB,MAAOuJ,EAAOjG,UAEnD2B,EAAKlI,MAAMkI,EAAKgE,WAAWM,EAAOhG,cAI9C0B,EAAKE,WAAY,IAErB8E,SAAU,SAAU7L,GAGhB,MAFA6C,MAAKgF,iBAAiBvE,OAAOtD,EAAU,GACvC6C,KAAK8E,QAAQrE,OAAOtD,EAAU,IAE1BA,SAAUA,EACVlB,SAAU+D,KAAK+E,mBAAmBtE,OAAOtD,EAAU,GAAG,KAG9D8L,SAAU,SAAUnN,GAChBkE,KAAK8E,QAAUjJ,EAAQC,IAE3BA,MAAO,SAAUA,EAAOoN,GAAjB,GAYCC,GAXAnF,EAAOhE,IACX,OAAIlE,KAAUL,EACHuI,EAAKc,QAAQsE,SAEV,OAAVtN,IACAA,MAEJA,EAAQD,EAAQC,GACXkI,EAAKqF,gBAAkD,aAAhCrF,EAAKqF,eAAe5G,UAC5CuB,EAAKqF,eAAiB7N,EAAE8N,YAExBH,EAA0C,aAA5BnF,EAAK9F,QAAQgI,YAA6BlC,EAAKuF,SAAS3N,QAAUE,EAAMF,QACtFuN,GAAgBrN,EAAMF,QACtBoI,EAAKuF,WAETvF,EAAKc,QAAUhJ,GACXkI,EAAKC,UAAYD,EAAK2E,QAAU3E,EAAKqD,gBAAkB6B,IACvDlF,EAAKwF,iBAAiB1N,GAEnBkI,EAAKqF,iBAEhBG,iBAAkB,SAAU1N,GAAV,GACqGiE,GAC1GF,EACI4J,EAFTzF,EAAOhE,KAAM0J,EAAW1F,EAAK2F,UAAWC,EAAc5F,EAAKmE,aAAc9B,EAAarC,EAAK9F,QAAQmI,WAAkBwD,GAAQ,EAAOC,IACxI,KAASjK,EAAI,EAAGA,EAAI/D,EAAMF,OAAQiE,IAC9B,IAAS4J,EAAM,EAAGA,EAAMC,EAAS9N,OAAQ6N,IACrC1J,EAAO2J,EAASD,GAAK1J,KACjBA,IACA8J,EAAQ7N,EAAY+D,GAAQjE,EAAM+D,KAAOE,EAAOjE,EAAM+D,KAAO+J,EAAY7J,GACrE8J,GACAC,EAAapJ,KAAKgJ,EAASD,GAAKzK,OAKhD,OAAI8K,GAAalO,SAAWE,EAAMF,QAC9BoI,EAAKc,WACLd,EAAKuF,OAAOO,GACZ,IAEoC,kBAA7B9F,GAAK9F,QAAQoI,YACpBtC,EAAK9F,QAAQoI,aACTxK,MAAmC,aAA5BkE,KAAK9B,QAAQgI,WAA4BpK,EAAQA,EAAM,GAC9DiO,QAAS,SAAUC,GACI,UAAf3D,EACArC,EAAKiG,gBAAgBD,GACC,aAAf3D,GACPrC,EAAKkG,mBAAmBF,MAKpChG,EAAKuF,aAZT,IAeJU,gBAAiB,SAAUE,GAMvB,GAJIA,EADAA,IAAY1O,GAAa0O,QAA8B,OAAZA,KAGjCtO,EAAQsO,GAEjBA,EAAQvO,OAEN,CACH,GAAIwO,GAAUpK,KAAKqK,cAAcD,OAC7BA,GAAQxO,QACRoE,KAAKsK,eAAeF,UAJxBD,OAOJnK,MAAKuJ,OAAOY,IAEhBD,mBAAoB,SAAUjC,GAAV,GACZmC,GAASG,EAuBA1K,CAjBb,IAJIoI,EADAA,IAAcxM,GAA2B,OAAdwM,KAGfpM,EAAQoM,GAEnBA,EAAUrM,OAER,CAeH,IAdAwO,EAAU5O,EAAE4M,IAAIpI,KAAK+E,mBAAoB,SAAUhF,EAAMf,GACrD,OACIA,MAAOA,EACP/C,SAAU8D,KAGlBwK,EAAQ/O,EAAE4M,IAAIH,EAAW,SAAUlI,EAAMf,GACrC,OACIA,MAAOA,EACP/C,SAAU8D,KAGlBC,KAAK+E,mBAAqBkD,EAC1BjI,KAAKgF,oBACInF,EAAI,EAAGA,EAAIG,KAAK+E,mBAAmBnJ,OAAQiE,IAChDG,KAAKgF,iBAAiBtE,KAAKjF,EAE/BuE,MAAKsK,eAAeF,EAASG,GACzBvK,KAAKqJ,gBACLrJ,KAAKqJ,eAAemB,cArBxBxK,MAAKuJ,cAyBbkB,cAAe,SAAUzL,GAAV,GACPuG,GAAavF,KAAKuF,WAClBmF,EAAO1K,KAAK2K,UACZC,EAAS5K,KAAKiF,YACdqD,EAAS9M,EAAE8N,WACXuB,KACAC,EAAMxO,KAAKyO,MAAM/L,EAAQ0L,GAAQA,EACjCM,EAAO1O,KAAKC,KAAKyC,EAAQ0L,GAAQA,EACjCO,EAAQD,IAASF,GAAOE,IACxBF,EACAE,EAuBJ,OArBAxP,GAAE0P,KAAKD,EAAO,SAAUE,EAAGvD,GAAb,GAGNwD,GAFAC,EAAMzD,EAAO8C,EACbY,EAAgBV,EAAOhD,EAEtB0D,IAAiBA,EAAcD,MAAQA,EAUxCD,EAAWE,EAAcF,UATzBA,EAAW5P,EAAE8N,WACbsB,EAAOhD,IACHyD,IAAKA,EACLD,SAAUA,GAEd7F,EAAWgG,kBAAkB3D,EAAM8C,EAAM,WACrCU,EAASZ,aAKjBK,EAAKnK,KAAK0K,KAEd5P,EAAEgQ,KAAK7K,MAAMnF,EAAGqP,GAAMY,KAAK,WACvBnD,EAAOkC,YAEJlC,GAEXoD,SAAU,SAAUvB,GAChB,GAAInG,GAAOhE,KAAM0K,EAAO1K,KAAK2K,UAAWgB,GAAe3H,EAAKkB,cAActJ,MAc1E,OAbK2G,GAAgByB,EAAK4H,mBACtB5H,EAAK4H,gBAAkBpQ,EAAE8N,WACzBtF,EAAKkB,kBAET1J,EAAE0P,KAAKf,EAAS,SAAUgB,EAAGnM,GACzBgF,EAAKkB,cAAcxE,KAAKsD,EAAKyG,cAAczG,EAAK6H,SAAS7M,EAAO0L,OAEhEiB,GACAnQ,EAAEgQ,KAAK7K,MAAMnF,EAAGwI,EAAKkB,eAAe6D,KAAK,WACrC/E,EAAKkB,iBACLlB,EAAK4H,gBAAgBpB,YAGtBxG,EAAK4H,iBAEhBE,cAAe,SAAUpE,EAAM1I,GAAhB,GACP8C,GAESjC,CADb,IAA0B,UAAtBG,KAAK9B,QAAQ+H,KACb,IAASpG,EAAI,EAAGA,EAAI6H,EAAK9L,OAAQiE,IAAK,CAElC,GADAiC,EAAQ4F,EAAK7H,GAAGd,QACZ+C,EAAMlG,QAAUoD,GAGhB,MAAO8C,GAAM9C,EAFbA,IAAgB8C,EAAMlG,OAMlC,MAAO8L,GAAK1I,IAEhB+M,UAAW,SAAUnE,EAAM8C,GACvB,MAAO1K,MAAKuF,WAAWyG,WAAWpE,EAAMtL,KAAK2P,IAAIrE,EAAO8C,EAAM1K,KAAKuF,WAAW2G,WAElFC,gBAAiB,SAAUnN,GAAV,GACT0L,GAAO1K,KAAK2K,UACZ/C,EAAO5H,KAAK6L,SAAS7M,EAAO0L,GAC5BhD,EAAO1H,KAAK+L,UAAUnE,EAAM8C,EAChC,OAAO1K,MAAK8L,cAAcpE,GAAO1I,EAAQ4I,KAE7CwE,kBAAmB,WACf,MAAOpM,MAAK+E,mBAAmBqE,SAEnCiD,WAAY,SAAUvQ,GAClBkE,KAAKsE,QAAQ/F,UAAUyB,KAAKsE,QAAQ/F,YAAczC,IAEtDwQ,SAAU,SAAUrN,GAChBe,KAAKsE,QAAQ/F,UAAUU,IAE3BsN,cAAe,SAAUvN,GACrBgB,KAAKsM,SAAStN,EAAQgB,KAAK9B,QAAQ7B,aAEvCuM,MAAO,SAAU4D,GAAV,GACC5P,GAASoC,EAAOmB,EAAMqB,EAObiI,EAmCLtM,EA1C2Bd,EAAa2D,KAAK9B,QAAQ7B,WAAYoQ,EAAKzM,KAAKmF,UAAWuH,GAAe,CAC7G,IAAIF,IAAc/Q,EAEd,MADA+F,GAAUxB,KAAKpD,QAAQe,KAAK,IAAM4D,GAC3BC,EAAQ5F,OAAS4F,EAAU,IAEtC,IAAyB,kBAAdgL,GAEP,IADArM,EAAOH,KAAKuF,WAAWoH,WACdlD,EAAM,EAAGA,EAAMtJ,EAAKvE,OAAQ6N,IACjC,GAAI+C,EAAUrM,EAAKsJ,IAAO,CACtB+C,EAAY/C,CACZ,OAcZ,MAVI+C,aAAqBzQ,SACrByQ,EAAY9Q,EAAS8Q,IAErBI,MAAMJ,IACN5P,EAAUpB,EAAEgR,GACZxN,EAAQ6N,SAASrR,EAAEoB,GAASuE,KAAK,qBAAsB,MAEvDnC,EAAQwN,EACR5P,EAAUoD,KAAK8M,mBAAmB9N,IAElCA,QACAgB,KAAKpD,QAAQe,KAAK,IAAM4D,GAASsD,YAAYtD,GAC7CvB,KAAK+M,cAAgBtR,EACrB,IAEAmB,EAAQhB,QACJgB,EAAQoQ,SAASzL,KACjBmL,GAAe,GAEf1M,KAAK+M,gBAAkBtR,IACvB+F,EAAUxB,KAAK8M,mBAAmB9M,KAAK+M,eACvCvL,EAAQqD,YAAYtD,GAAS0L,WAAW,MACpCP,GACA1M,KAAKC,QAAQ0D,IAGrB3D,KAAK+M,cAAgB/N,EACrBpC,EAAQyH,SAAS9C,GAASJ,KAAK,KAAMsL,GACjCtP,EAAW6C,KAAKkN,oBAAoBlO,GACvB,QAAb7B,EACA6C,KAAKsM,SAAStN,EAAQ3C,GACF,WAAbc,EACP6C,KAAKsM,SAAStN,EAAQ3C,EAAaA,EAAa2D,KAAKmN,eACjC,cAAbhQ,GACP6C,KAAKsM,SAAStN,EAAQ3C,GAEtBqQ,GACA1M,KAAKC,QAAQyD,KAGjB1D,KAAK+M,cAAgB/N,EACrBgB,KAAKjB,QAAQ8F,YAAYtD,GACzBvB,KAAKuM,cAAcvN,IA3BvB,IA8BJoO,WAAY,WACR,MAAOpN,MAAK+M,eAEhBM,WAAY,WACRrN,KAAKsM,SAAS,GACdtM,KAAK4I,MAAM,IAEf0E,UAAW,WACP,GAAIC,GAAYvN,KAAKuF,WAAW2G,OAChClM,MAAKsM,SAAStM,KAAKwN,gBAAgBC,cACnCzN,KAAK4I,MAAM2E,IAEfG,UAAW,WAAA,GAEHlM,GADAxC,EAAQgB,KAAK+M,aAEjB,QAAKH,MAAM5N,IAAUA,EAAQ,GACzBA,GAAS,EACTgB,KAAK4I,MAAM5J,GACXwC,EAAUxB,KAAK4I,QACXpH,GAAWA,EAAQwL,SAAS,oBAC5BhO,GAAS,EACTgB,KAAK4I,MAAM5J,IAERA,IAEPA,EAAQgB,KAAKuF,WAAW2G,QAAU,EAClClM,KAAK4I,MAAM5J,GACJA,IAGf2O,UAAW,WAAA,GAGHnM,GAFAxC,EAAQgB,KAAK+M,cACbQ,EAAYvN,KAAKuF,WAAW2G,QAAU,CAE1C,QAAKU,MAAM5N,IAAUA,EAAQuO,GACzBvO,GAAS,EACTgB,KAAK4I,MAAM5J,GACXwC,EAAUxB,KAAK4I,QACXpH,GAAWA,EAAQwL,SAAS,oBAC5BhO,GAAS,EACTgB,KAAK4I,MAAM5J,IAERA,IAEPA,EAAQ,EACRgB,KAAK4I,MAAM5J,GACJA,IAGfsL,eAAgB,SAAUF,EAASG,GAC/BH,EAAUA,MACVG,EAAQA,OACJH,EAAQxO,QAAU2O,EAAM3O,SACxBoE,KAAKC,QAAQsD,GACT6G,QAASA,EACTG,MAAOA,KAInBhB,OAAQ,SAAUiD,GAAV,GACaoB,GAA0JC,EAAmBzC,EAAU9C,EA6BpMS,EA7BA/E,EAAOhE,KAAe8N,EAA8C,aAA5B9J,EAAK9F,QAAQgI,WAA2B6H,EAAkBxL,EAAgByB,EAAK4H,iBAAkBnD,EAAWzI,KAAK0I,aAAmD0B,IAChN,OAAIoC,KAAc/Q,EACPuI,EAAKgB,iBAAiBoE,SAE5BpF,EAAKgK,iBAAoD,aAAjChK,EAAKgK,gBAAgBvL,UAC9CuB,EAAKgK,gBAAkBxS,EAAE8N,YAE7BsE,EAAU5J,EAAKiK,aAAazB,GAC5BqB,EAAoBC,IAAoBrF,GAAY/M,EAASkS,KAAalS,EAASsE,KAAKgF,kBACxFoF,EAAUpG,EAAKkK,uBAAuBN,GAClCxD,EAAQxO,SAAWgS,EAAQhS,QAAUiS,GACrC7J,EAAKsG,eAAeF,GAChBpG,EAAKqF,gBACLrF,EAAKqF,eAAemB,UAEjBxG,EAAKgK,gBAAgBxD,UAAUhI,YAEnB,IAAnBoL,EAAQhS,QAAgBgS,EAAQ,UAChCA,MAEJtF,EAAStE,EAAKqG,UAAUuD,GACxBxD,EAAU9B,EAAO8B,QACjBwD,EAAUtF,EAAOsF,QACbE,IACAC,GAAkB,EACdH,EAAQhS,SACRgS,GAAWlS,EAASkS,MAGxB7E,EAAO,WACP,GAAIwB,GAAQvG,EAAKmK,QAAQP,EACzB5J,GAAK4E,MAAMgF,GACX5J,EAAKsG,eAAeF,EAASG,GACzBvG,EAAKqF,gBACLrF,EAAKqF,eAAemB,UAExBxG,EAAKgK,gBAAgBxD,WAEzBY,EAAWpH,EAAK0H,SAASkC,GACpBG,IACG3C,EACAA,EAASrC,KAAKA,GAEdA,KAGD/E,EAAKgK,gBAAgBxL,aAEhCyB,MAAO,SAAUA,GACb,MAAIA,KAAUxI,EACHuE,KAAKoO,cAEhBpO,KAAKoO,aAAenK,EAApBjE,IAEJsH,KAAM,SAAU3I,GACZqB,KAAK2I,OAAQ,EACb9F,EAAMlE,IAAYqB,MAClBA,KAAK2I,OAAQ,GAEjBnB,YAAa,SAAUC,GACnBzH,KAAKqO,cAAgB7S,EAAEsI,UAAW2D,IAEtCiB,WAAY,WAIR,MAHK1I,MAAKqO,eACNrO,KAAKwH,YAAYxH,KAAKuF,WAAWkC,WAE7BhK,EAAM0C,KAAKmO,MAAMC,eAAevO,KAAKuF,WAAWkC,SAAUzH,KAAKqO,gBAE3EG,WAAYhT,EAAEiT,KACd3B,mBAAoB,SAAU9N,GAC1B,MAAOgB,MAAKjB,QAAQ0I,OAAO,SAAUgC,EAAK7M,GACtC,MAAOoC,KAAU6N,SAASrR,EAAEoB,GAASuE,KAAK,qBAAsB,OAGxEuN,sBAAuB,SAAUzS,GAAV,GAC6CW,GAASiN,EAChEhK,EADL6J,EAAW1J,KAAK2J,UAAWC,EAAc5J,KAAKmI,YAClD,KAAStI,EAAI,EAAGA,EAAI6J,EAAS9N,OAAQiE,IAEjC,GADAgK,EAAQH,EAAS7J,GAAGE,MAAQ/D,EAAY0N,EAAS7J,GAAGE,MAAQ2J,EAAS7J,GAAGE,OAAS9D,EAAW2N,EAAYF,EAAS7J,GAAGE,QAAU6J,EAAY3N,GAC/H,CACPW,EAAU8M,EAAS7J,EACnB,OAGR,MAAOjD,GAAUoD,KAAK8M,mBAAmBlQ,EAAQoC,OAASxD,KAE9D4L,OAAQ,WACJpH,KAAKsI,OAAS7M,EACduE,KAAK2O,eAAiBlT,EACtBuE,KAAK+H,MAAQtM,EACbD,EAAEwE,KAAKwN,iBAAiB5P,SACxBoC,KAAKwN,gBAAkB/R,EACvBuE,KAAKpD,QAAQgS,SAEjBC,QAAS,WACL,GAAIC,KAAY9O,KAAKuF,WAAWmC,OAAO9L,OAAQmK,EAAS/F,KAAK9B,QAAQ6H,OAAQ1J,EAAa2D,KAAK9B,QAAQ7B,WAAY6P,EAAQlM,KAAKuF,WAAW2G,OAM3I,OALK4C,GAEM/I,EAAS1J,EAAa6P,IAC7BnG,EAASmG,EAAQ7P,GAFjB0J,EAAS,EAINA,GAEXgJ,gBAAiB,WACb,GAAIhJ,GAAS/F,KAAK6O,SAClB7O,MAAKsE,QAAQyB,OAAOA,GACpB/F,KAAKmN,cAAgBpH,GAEzB5J,aAAc,WACV,MAAO6D,MAAKmN,eAEhBD,oBAAqB,SAAUlO,GAC3B,GAAgO7B,GAA5NoB,EAAYyB,KAAKsE,QAAQ/F,YAAapC,EAAe6D,KAAKmN,cAAe9Q,EAAa2D,KAAK9B,QAAQ7B,WAAY2S,EAAYhQ,EAAQ3C,EAAY4S,EAAeD,EAAY3S,EAAY6S,EAAY3Q,EAAYpC,CAUlN,OARIgB,GADA6R,IAAczQ,EAAYlC,GAAc4S,EAAe1Q,GAAayQ,EAAYzQ,EACrE,MACJyQ,IAAcE,GAAaF,EAAYE,GAAaA,EAAYD,EAC5D,SACJD,GAAazQ,GAAayQ,GAAazQ,GAAapC,EAAeE,GAC/D,WAEA,aAInBgJ,WAAY,WAAA,GAQC8J,GAPLjR,EAAU8B,KAAK9B,QACfwB,GACAqB,SAAU7C,EAAQ6C,SAClBC,oBAAqB9C,EAAQ8C,oBAC7Ba,cAAe3D,EAAQ2D,cACvBuE,mBAAoBlI,EAAQkI,mBAEhC,KAAS+I,IAAOzP,GACkB,kBAAnBA,GAAUyP,KACjBzP,EAAUyP,GAAO1R,EAAMsD,SAASrB,EAAUyP,IAAQ,IAG1DnP,MAAKN,UAAYA,GAErB0P,eAAgB,SAAUxS,EAASyS,GAE/B,IADA,GAAgBtP,GAAZhB,KAAkB1C,EAAa2D,KAAK9B,QAAQ7B,WAAa,KACtDgT,KAAU,GACbtP,EAAOlD,SAASC,cAAc,MAC9BiD,EAAKuP,YACLvP,EAAKrD,UAAYyG,EAAc,IAAMC,EACrCrD,EAAKwP,aAAa,OAAQ,UAC1BxP,EAAKT,MAAMyG,OAAS1J,EACpB0D,EAAKT,MAAMkQ,UAAYnT,EACvBO,EAAQJ,YAAYuD,GACpBhB,EAAM2B,KAAKX,EAEf,OAAOhB,IAEX0Q,mBAAoB,WAAA,GAKP5P,GAJL+K,EAAS5K,KAAKuF,WAAWmK,QACzBtE,EAAW5P,EAAE8N,UAGjB,KAFA8B,EAASZ,UACTxK,KAAKiF,eACIpF,EAAI,EAAGA,EAAI+K,EAAOhP,OAAQiE,IAC/BG,KAAKiF,YAAY2F,EAAO/K,GAAG8P,QACvBtE,IAAKT,EAAO/K,GAAGwL,IACfD,SAAUA,IAItBvC,YAAa,WACT,GAAI7E,GAAOhE,KAAMsE,EAAUN,EAAKM,QAAQsL,IAAI,GAAI1R,EAAU8F,EAAK9F,QAASqH,EAAavB,EAAKuB,UACtFvB,GAAKC,SACLD,EAAKoD,SAETpD,EAAKyL,qBACLzL,EAAK6L,oBACL7L,EAAK+K,kBACL/K,EAAK2G,UAAYzO,EAAa8H,EAAKmJ,cAAejP,EAAQ9B,YAAa8B,EAAQ7B,YAC3E2H,EAAK2G,UAAYpF,EAAW2G,UAC5BlI,EAAK2G,UAAYpF,EAAW2G,SAEhClI,EAAK4C,OAAS5C,EAAKoL,eAAepL,EAAKpH,QAAQ,GAAIoH,EAAK2G,WACxD3G,EAAK8L,WAAW5R,EAAQ7B,WAAakJ,EAAW2G,SAChDlI,EAAK9F,QAAQ+H,MAAQV,EAAWzD,aAAelG,OAAS,QAAU,OACxC,SAAtBoI,EAAK9F,QAAQ+H,KACbjC,EAAKS,OAAOsL,OAEZ/L,EAAKS,OAAOuL,OAEhBhM,EAAKkE,OAASlE,EAAKiM,QAAQ,WACvBjM,EAAKyB,cAAa,KAEtBzB,EAAKkM,UAAY,SAAU3R,EAAWK,GAClC,GAAIuR,GAAUnM,EAAKoM,WAAWpM,EAAKkE,OACnC,OAAOlE,GAAKqM,aAAa9R,EAAW4R,EAAQ5R,EAAWK,KAE3DoF,EAAKyB,aAAezB,EAAKsM,aAAa5R,EAAe4F,EAASN,EAAKkM,WAAYrR,EAASmF,EAAKuM,aAAavM,EAAK4C,OAAQpL,EAAEqH,MAAMhC,EAAQmD,MACvIA,EAAKyB,eACLzB,EAAKwM,uBAAuBxM,EAAKmJ,gBAErC2C,WAAY,SAAU/J,GAAV,GACJ0K,GASQC,EATOlD,EAAkBxN,KAAKwN,eAM1C,IALKA,EAGDiD,EAAgBjD,EAAgBC,aAFhCD,EAAkBxN,KAAKwN,gBAAkBhR,EAAYwD,KAAKsE,QAAQ,GAAIjB,GAItE0C,IAAW0K,EAEX,IADAjD,EAAgBmD,UAAY,GACrB5K,EAAS,GACR2K,EAAYpU,KAAK2P,IAAIlG,EAAQ,MACjCvJ,EAAYgR,GAAiBlO,MAAMyG,OAAS2K,EAAY,KACxD3K,GAAU2K,GAItBT,QAAS,WACL,GAAIW,GAAqB,KAAMrL,EAAavF,KAAKuF,WAAYsL,EAAiBtL,EAAWqC,OAAQ3B,EAAOjG,KAAK9B,QAAQ+H,KAAM6K,EAAW9Q,KAAK2K,UAAWoG,IAMtJ,OALIxL,GAAWuL,WAAaA,GACxB9Q,KAAKsH,KAAK,WACN/B,EAAWuL,SAASA,KAGrB,SAAU9R,EAAOgS,GAAjB,GA2BK1I,GAGQ2I,EACAC,EACKrR,EAAOC,EACRgC,EACKI,EAAOiP,EAjC5BnN,EAAOhE,IACX,IAAKuF,EAAW6L,QAAQJ,EAAYF,GAkB7B,CAQH,GAPID,IAAmBG,GACnBhR,KAAKsH,KAAK,WACN/B,EAAW/E,MAAMwQ,EAAYF,GAC7BD,EAAiBG,IAIZ,UAAT/K,EAAkB,CAClB,IAAK8K,EAAWC,GAGZ,IAFIC,EAAYF,EAAWC,MACvBE,EAAS3L,EAAWmC,OACf7H,EAAI,EAAGC,EAAMoR,EAAOtV,OAAQiE,EAAIC,EAAKD,IAE1C,IADIiC,EAAQoP,EAAOrR,GACVqC,EAAI,EAAGiP,EAAcrP,EAAM/C,MAAMnD,OAAQsG,EAAIiP,EAAajP,IAC/D+O,EAAUvQ,MACNX,KAAM+B,EAAM/C,MAAMmD,GAClBJ,MAAOA,EAAMhG,OAK7BwM,GAASyI,EAAWC,GAAYhS,EAAQgS,OAExC1I,GAAS/C,EAAWmC,OAAO1I,EAAQgS,EAEvC,OAAO1I,GA3BP,MAhBIsI,KAAuBI,IACvBJ,EAAqBI,EACrBH,EAAiBG,EACbhN,EAAKqN,iBACLrN,EAAKqN,gBAAgBC,SAEzBtN,EAAKqN,gBAAkBrN,EAAKyG,cAAcuG,GAC1ChN,EAAKqN,gBAAgB5F,KAAK,WACtB,GAAI8F,GAAiBvN,EAAKwN,iBAAiBxN,EAAKM,QAAQ,GAAG/F,UAC3DyF,GAAKqN,gBAAkB,KACnBL,GAAcO,GAAkBA,GAAkBP,EAAaF,IAC/D9M,EAAKE,WAAY,EACjBqB,EAAW/E,MAAMwQ,EAAYF,OAIlC,OA+BnBT,aAAc,SAAU9R,EAAWD,GAArB,GAGFmT,GAFJ3P,EAAQ9B,KAAK0R,oBAAqBrV,EAAa2D,KAAK9B,QAAQ7B,WAAYsV,EAA4BrV,KAAKyO,OAAOxM,EAAYD,EAAKG,KAAOpC,GAAauV,EAAuBtT,EAAKS,MAAM4S,EAQ3L,OAPIC,IAAwBA,EAAqB7R,OACzC0R,EAAoBG,EAAqB9P,MACzC2P,IAAsB3P,IACtB9B,KAAKyE,OAAO,GAAGkM,UAAYc,GAAqB,GAChDzR,KAAK0R,oBAAsBD,IAG5BnT,GAEXuT,YAAa,SAAU9R,EAAMf,EAAOlD,GAAvB,GAWI+D,GAVTiS,EAAW9R,KAAK9B,QAAQ+H,KAAM5J,EAAa2D,KAAK9B,QAAQ7B,WAAY0V,EAAe/R,KAAK+M,cAAerL,GAAW,EAAOF,GAAU,EAAOG,GAAW,EAAOG,EAAQ,KAAM+H,GAAQ,EAAOD,EAAc5J,KAAKmI,YAShN,IARiB,UAAb2J,IACI/R,IACA4B,EAAqB,IAAV3C,GAAegB,KAAKgS,eAAiBhS,KAAKgS,gBAAkBjS,EAAK+B,MAC5E9B,KAAKgS,cAAgBjS,EAAK+B,OAE9BA,EAAQ/B,EAAOA,EAAK+B,MAAQ,KAC5B/B,EAAOA,EAAOA,EAAKA,KAAO,OAEzBC,KAAK0I,cAAgB5M,EAAMF,QAAUmE,EACtC,IAASF,EAAI,EAAGA,EAAI/D,EAAMF,OAAQiE,IAE9B,GADAgK,EAAQ7N,EAAY+D,GAAQjE,EAAM+D,KAAOE,EAAOjE,EAAM+D,KAAO+J,EAAY7J,GAC9D,CACPjE,EAAM2E,OAAOZ,EAAG,GAChB6B,GAAW,CACX,OAOZ,MAHIqQ,KAAiB/S,IACjBwC,GAAU,IAGVzB,KAAMA,EAAOA,EAAO,KACpB+B,MAAOA,EACPH,SAAUA,EACVD,SAAUA,EACVF,QAASA,EACTxC,MAAOA,EACPP,IAAKO,EAAQ3C,IAGrB4V,OAAQ,SAAUjT,GAAV,GACsEe,GAGjEF,EAAWjE,EAHhB+O,EAAY3K,KAAK2K,UAAW7O,EAAQkE,KAAK8E,QAAQsE,QAASrK,IAG9D,KAFAiB,KAAKkS,SACLlS,KAAKgS,cAAgB,KACZnS,EAAIb,EAAOpD,EAASoD,EAAQ2L,EAAW9K,EAAIjE,EAAQiE,IACxDE,EAAOC,KAAK6R,YAAY7R,KAAKkI,OAAOrI,EAAGb,GAAQa,EAAG/D,GAClDiD,EAAM2B,KAAKX,GACXC,KAAKkS,MAAMnS,EAAKf,OAASe,CAG7B,OADAC,MAAK2J,UAAY5K,EACVA,GAEXoT,wBAAyB,SAAU5T,EAAWC,GAC1C,GAAIO,GAAQiB,KAAKiS,OAAOjS,KAAKoS,WAAW7T,EAAWC,GACnD,QACIQ,MAAOD,EAAMnD,OAASmD,EAAM,GAAGC,MAAQ,EACvCP,IAAKM,EAAMnD,OAASmD,EAAM,GAAGN,IAAM,EACnCM,MAAOA,IAGfqR,WAAY,WAAA,GACJjU,GAAe6D,KAAKmN,cAAejP,EAAU8B,KAAK9B,QAClDmU,EAAepU,EAAcC,EAAS/B,EAC1C,OAAOX,GAAEqH,MAAM,SAAU/G,EAAO8C,GAC5B,GAAI0J,GAAStI,KAAKsI,OAAQ9J,EAAgBwB,KAAK2O,cAM/C,QALI/P,GAAU0J,GAAW+J,EAAa/J,EAAQxM,EAAO0C,KACjD8J,EAAStI,KAAKmS,wBAAwBrW,EAAO0C,IAEjDwB,KAAK2O,eAAiB7S,EACtBkE,KAAKsI,OAASA,EACPA,GACRtI,OAEPsQ,aAAc,SAAUpI,EAAQvJ,GAC5B,GAAI6C,EACJ,OAAO,UAAU5C,GACb,GAAI0T,GAASpK,EAAOtJ,EAChB0T,KAAW9Q,IACXA,EAAU8Q,EACV3T,EAAS2T,EAAQ1T,MAI7B2R,aAAc,SAAUjS,EAAMQ,GAAhB,GACNkF,GAAOhE,KACPpE,EAAS0C,EAAK1C,OACd2W,IAAiBC,EAAAA,EAErB,OADA1T,GAAUtD,EAAEqH,MAAMpD,EAAKX,EAASkB,KAAKN,WAAYM,MAC1C,SAAUyS,EAAOC,EAAQ9T,GAAzB,GAEC4B,GAAOmS,EADPpS,EAAOmS,EAASH,CAEhB3T,IAAStC,KAAKsW,IAAIrS,IAAS3E,GAC3B4E,EAAQlC,EACRqU,EAASF,IAETjS,EAAQF,EAAQhC,EAAMiC,GACtBoS,EAASpS,EAAO,EAAIkS,EAAMrJ,OAAO7I,GAAQkS,EAAMrJ,MAAM,GAAI7I,IAE7DzB,EAAQ0B,EAAOmS,EAAQ3O,EAAKC,SAC5BsO,EAAgBG,IAGxBG,aAAc,WACV,GAAI3U,GAAU8B,KAAK9B,OACnB,OAAOL,GAAYmC,KAAKmN,cAAejP,EAAQ9B,YAAa8B,EAAQ8H,iBAExEwL,iBAAkB,SAAUrU,GACxB,GAAIwN,GAAY3K,KAAK2K,UAAWtO,EAAa2D,KAAK9B,QAAQ7B,WAAY6P,EAAQlM,KAAKuF,WAAW2G,OAC9F,OAAO5P,MAAK2P,IAAI3P,KAAKwW,IAAI5G,EAAQvB,EAAW,GAAIrO,KAAKwW,IAAI,EAAGxW,KAAKyO,MAAM5N,EAAWd,MAEtF+V,WAAY,SAAU7T,EAAWC,GAC7B,GAAmCrB,GAA/B4V,EAAU/S,KAAK6S,cAEnB,OADA1V,GAAWoB,GAAaA,EAAYC,EAAgBuU,EAAQhV,KAAOgV,EAAQ/U,IACpEgC,KAAKwR,iBAAiBrU,IAEjCyI,YAAa,WACL5F,KAAK9B,QAAQgI,aACblG,KAAKyG,aAAejL,EAAEqH,MAAM7C,KAAM,iBAClCA,KAAKpD,QAAQgI,GAAGpB,EAAQI,EAAiB,IAAMT,EAAanD,KAAKyG,gBAGzEuM,gBAAiB,SAAUpW,GACvB,MAAMA,aAAmBqW,QAGlBpG,SAASjQ,EAAQuE,KAAK,qBAAsB,IAFxC1F,GAIfwS,aAAc,SAAUzB,GAAV,GACOrM,GAGJsJ,EAUTyJ,EAbA5K,IACJ,IAAyB,kBAAdkE,GAEP,IADArM,EAAOH,KAAKuF,WAAWoH,WACdlD,EAAM,EAAGA,EAAMtJ,EAAKvE,OAAQ6N,IACjC,GAAI+C,EAAUrM,EAAKsJ,IAAO,CACtBnB,EAAO5H,KAAK+I,EACZ,OAcZ,MAVyB,gBAAd+C,IACPlE,EAAO5H,KAAK8L,GAEZ0G,EAAelT,KAAKgT,gBAAgBxG,GACnCI,MAAMsG,IACP5K,EAAO5H,KAAKwS,GAEZ1G,YAAqBzQ,SACrBuM,EAASkE,GAENlE,GAEX+B,UAAW,SAAUuD,GAAV,GACWuF,GAAelX,EAAgN8D,EAAM8J,EAG1OJ,EAgBA5J,EAKQqC,EAxBjBkI,KAAuCgJ,EAAkBpT,KAAKgF,iBAAkBoH,EAAoBpM,KAAK+E,mBAAoB5H,EAAW,EAAG+I,EAAalG,KAAK9B,QAAQgI,WAAYmN,EAAwB,EAAGzJ,EAAc5J,KAAKmI,aAA2BG,EAAS,IAEvQ,IADAsF,EAAUA,EAAQxE,QACdlD,KAAe,GAAS0H,EAAQhS,QAgB7B,GAAmB,aAAfsK,EACP,IAASrG,EAAI,EAAGA,EAAI+N,EAAQhS,OAAQiE,IAAK,CAIrC,GAHAyI,EAAS,KACTnL,EAAW3B,EAAE8X,QAAQ1F,EAAQ/N,GAAIuT,GACjCnX,EAAW+D,KAAKmM,gBAAgByB,EAAQ/N,IACpC1C,QAAmBlB,EACnB,IAASiG,EAAI,EAAGA,EAAIkK,EAAkBxQ,OAAQsG,IAC1C2H,EAAQ7N,EAAYC,GAAYmQ,EAAkBlK,KAAOjG,EAAW2N,EAAYwC,EAAkBlK,MAAQ0H,EAAY3N,GAClH4N,IACA9J,EAAOC,KAAK8M,mBAAmBc,EAAQ/N,IACvCyI,EAAStI,KAAKuT,oBAAoBxT,EAAMmC,EAAG0L,EAAQ/N,GAAIwT,QAI/DF,GAAgBC,EAAgBjW,GAC5BgW,IAAkB1X,IAClBsE,EAAOC,KAAK8M,mBAAmBqG,GAC/B7K,EAAStI,KAAKuT,oBAAoBxT,EAAM5C,EAAUgW,EAAeE,GAGrE/K,KACAsF,EAAQnN,OAAOZ,EAAG,GAClBuK,EAAQ1J,KAAK4H,GACb+K,IACAxT,UAxCgC,CACxC,IAAS4J,EAAM,EAAGA,EAAM2J,EAAgBxX,OAAQ6N,IACxC2J,EAAgB3J,KAAShO,EACzBuE,KAAK8M,mBAAmBsG,EAAgB3J,IAAM5E,YAAYpD,GACnD2K,EAAkB3C,IACzBzJ,KAAK0O,sBAAsBtC,EAAkB3C,IAAM5E,YAAYpD,GAEnE2I,EAAQ1J,MACJ1B,MAAOoU,EAAgB3J,GACvBtM,SAAUsM,EACVxN,SAAUmQ,EAAkB3C,IAGpCzJ,MAAK8E,WACL9E,KAAK+E,sBACL/E,KAAKgF,oBA6BT,OACI4I,QAASA,EACTxD,QAASA,IAGjBmJ,oBAAqB,SAAUxT,EAAM5C,EAAUgW,EAAeE,GAC1D,GAAIpX,EACJ,IAAK8D,EAAKiN,SAAS,oBAOnB,MAJAjN,GAAK8E,YAAYpD,GACjBzB,KAAK8E,QAAQrE,OAAOtD,EAAU,GAC9B6C,KAAKgF,iBAAiBvE,OAAOtD,EAAU,GACvClB,EAAW+D,KAAK+E,mBAAmBtE,OAAOtD,EAAU,GAAG,IAEnD6B,MAAOmU,EACPhW,SAAUA,EAAWkW,EACrBpX,SAAUA,IAGlBiS,uBAAwB,SAAUN,GAAV,GAEhB9R,GAAOkD,EAAO7B,EAId+E,EALAsR,EAAWxT,KAAKpD,QAAQ,GAAG4W,SAE3BC,EAASzT,KAAK8E,QACdsF,KACAX,EAAM,CAEV,IAAgC,aAA5BzJ,KAAK9B,QAAQgI,aAA8BlG,KAAK0I,aAChD,QAEJ,IAAIkF,EAAQ,QAWR,MAVApS,GAAEgY,GAAU3O,YAAY,oBACxBuF,EAAU5O,EAAE4M,IAAIpI,KAAK+E,mBAAmBqE,MAAM,GAAI,SAAUnN,EAAUwN,GAClE,OACIxN,SAAUA,EACVkB,SAAUsM,KAGlBzJ,KAAKgF,oBACLhF,KAAK+E,sBACL/E,KAAK8E,WACEsF,CAEX,MAAOX,EAAMmE,EAAQhS,OAAQ6N,IAAO,CAIhC,IAHAtM,KACA6B,EAAQ4O,EAAQnE,GAChB3N,EAAQkE,KAAKmI,aAAanI,KAAKmM,gBAAgBnN,IAC1CkD,EAAI,EAAGA,EAAIuR,EAAO7X,OAAQsG,IAC3B,GAAIpG,GAAS2X,EAAOvR,GAAI,CACpB/E,EAAW+E,CACX,OAGJ/E,OACAiN,EAAQ1J,KAAKV,KAAKgJ,SAAS7L,IAC3B3B,EAAEgY,EAASxU,IAAQ6F,YAAY,qBAGvC,MAAOuF,IAEXyB,SAAU,SAAU7M,EAAO0L,GACvB,GAAIgJ,GAAO1U,EAAQ0L,EAAO,EAAIpO,KAAKyO,MAAM/L,EAAQ0L,GAAQ,CACzD,QAAQgJ,EAAO,GAAKhJ,GAExByD,QAAS,SAAUhE,GACf,GAAyGlO,GAAU0X,EAA/G3P,EAAOhE,KAAM8N,EAA8C,aAA5B9N,KAAK9B,QAAQgI,WAA2BX,EAAavF,KAAKuF,WAA+BmF,EAAO1K,KAAK2K,UAAWf,EAAc5J,KAAKmI,aAAcoC,IAuBpL,OAtBIuD,KACA9J,EAAKgB,oBACLhB,EAAKe,sBACLf,EAAKc,YAET6O,EAAUpO,EAAWqC,OACrBpM,EAAE0P,KAAKf,EAAS,SAAUgB,EAAGnM,GACzB,GAAI4I,GAAO5D,EAAK6H,SAAS7M,EAAO0L,EAChC1G,GAAKsD,KAAK,WACN/B,EAAW/E,MAAMoH,EAAM8C,GACvBzO,EAAW+H,EAAK8H,cAAcvG,EAAWmC,QAAS1I,EAAQ4I,IAC1D5D,EAAKgB,iBAAiBtE,KAAK1B,GAC3BgF,EAAKe,mBAAmBrE,KAAKzE,GAC7B+H,EAAKc,QAAQpE,KAAK1E,EAAYC,GAAYA,EAAW2N,EAAY3N,IACjEsO,EAAM7J,MACF1B,MAAOA,EACP/C,SAAUA,IAEd+H,EAAK8I,mBAAmB9N,GAAOqF,SAAS5C,GACxC8D,EAAW/E,MAAMmT,EAASjJ,OAG3BH,GAEXqJ,cAAe,SAAUvL,GACrB,GAAItI,GAAOvE,EAAE6M,EAAEwL,gBACVxL,EAAEyL,sBAAwB/T,EAAKoB,KAAK,aACrCnB,KAAKC,QAAQuD,GAASzD,KAAMA,KAGpC8P,kBAAmB,WACf7P,KAAKmI,aAAe1K,EAAMyK,OAAOlI,KAAK9B,QAAQiI,iBAElDqK,uBAAwB,SAAUzK,GAC9B,GAAIgO,GAAY/T,KAAKjB,QAAQiV,QAASC,EAAcjU,KAAKyE,OAAQyP,EAAU,CACvED,GAAY,IAAuC,SAAjCA,EAAY,GAAG3U,MAAM6U,UACxB,SAAXpO,IACAmO,EAAUzW,EAAMyB,QAAQkV,aAE5BF,GAAW1W,WAAWuW,EAAU7W,IAAI,sBAAuB,IAAMM,WAAWuW,EAAUP,SAAS,YAAYtW,IAAI,SAAU,IACzH+W,EAAY/W,IAAI,gBAAiBgX,MAI7CzW,GAAM4C,GAAGwD,YAAcA,EACvBpG,EAAM4C,GAAGgU,OAAOxQ,IAClBnB,OAAOjF,MAAMwV,QACRvQ,OAAOjF,OACE,kBAAVlC,SAAwBA,OAAO+Y,IAAM/Y,OAAS,SAAUgZ,EAAIC,EAAIC,IACrEA,GAAMD","file":"kendo.virtuallist.min.js","sourcesContent":["/*!\n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n                                                                                                                                                                                                       \n\n*/\n(function (f, define) {\n    define('kendo.virtuallist', ['kendo.data'], f);\n}(function () {\n    var __meta__ = {\n        id: 'virtuallist',\n        name: 'VirtualList',\n        category: 'framework',\n        depends: ['data'],\n        hidden: true\n    };\n    (function ($, undefined) {\n        var kendo = window.kendo, ui = kendo.ui, Widget = ui.Widget, DataBoundWidget = ui.DataBoundWidget, proxy = $.proxy, WRAPPER = 'k-virtual-wrap', VIRTUALLIST = 'k-virtual-list', CONTENT = 'k-virtual-content', LIST = 'k-list', HEADER = 'k-group-header', VIRTUALITEM = 'k-virtual-item', ITEM = 'k-item', HEIGHTCONTAINER = 'k-height-container', GROUPITEM = 'k-group', SELECTED = 'k-state-selected', FOCUSED = 'k-state-focused', HOVER = 'k-state-hover', CHANGE = 'change', CLICK = 'click', LISTBOUND = 'listBound', ITEMCHANGE = 'itemChange', ACTIVATE = 'activate', DEACTIVATE = 'deactivate', VIRTUAL_LIST_NS = '.VirtualList';\n        function lastFrom(array) {\n            return array[array.length - 1];\n        }\n        function toArray(value) {\n            return value instanceof Array ? value : [value];\n        }\n        function isPrimitive(dataItem) {\n            return typeof dataItem === 'string' || typeof dataItem === 'number' || typeof dataItem === 'boolean';\n        }\n        function getItemCount(screenHeight, listScreens, itemHeight) {\n            return Math.ceil(screenHeight * listScreens / itemHeight);\n        }\n        function appendChild(parent, className, tagName) {\n            var element = document.createElement(tagName || 'div');\n            if (className) {\n                element.className = className;\n            }\n            parent.appendChild(element);\n            return element;\n        }\n        function getDefaultItemHeight() {\n            var mockList = $('<div class=\"k-popup\"><ul class=\"k-list\"><li class=\"k-item\"><li></ul></div>'), lineHeight;\n            mockList.css({\n                position: 'absolute',\n                left: '-200000px',\n                visibility: 'hidden'\n            });\n            mockList.appendTo(document.body);\n            lineHeight = parseFloat(kendo.getComputedStyles(mockList.find('.k-item')[0], ['line-height'])['line-height']);\n            mockList.remove();\n            return lineHeight;\n        }\n        function bufferSizes(screenHeight, listScreens, opposite) {\n            return {\n                down: screenHeight * opposite,\n                up: screenHeight * (listScreens - 1 - opposite)\n            };\n        }\n        function listValidator(options, screenHeight) {\n            var downThreshold = (options.listScreens - 1 - options.threshold) * screenHeight;\n            var upThreshold = options.threshold * screenHeight;\n            return function (list, scrollTop, lastScrollTop) {\n                if (scrollTop > lastScrollTop) {\n                    return scrollTop - list.top < downThreshold;\n                } else {\n                    return list.top === 0 || scrollTop - list.top > upThreshold;\n                }\n            };\n        }\n        function scrollCallback(element, callback) {\n            return function (force) {\n                return callback(element.scrollTop, force);\n            };\n        }\n        function syncList(reorder) {\n            return function (list, force) {\n                reorder(list.items, list.index, force);\n                return list;\n            };\n        }\n        function position(element, y) {\n            if (kendo.support.browser.msie && kendo.support.browser.version < 10) {\n                element.style.top = y + 'px';\n            } else {\n                element.style.webkitTransform = 'translateY(' + y + 'px)';\n                element.style.transform = 'translateY(' + y + 'px)';\n            }\n        }\n        function map2(callback, templates) {\n            return function (arr1, arr2) {\n                for (var i = 0, len = arr1.length; i < len; i++) {\n                    callback(arr1[i], arr2[i], templates);\n                    if (arr2[i].item) {\n                        this.trigger(ITEMCHANGE, {\n                            item: $(arr1[i]),\n                            data: arr2[i].item,\n                            ns: kendo.ui\n                        });\n                    }\n                }\n            };\n        }\n        function reshift(items, diff) {\n            var range;\n            if (diff > 0) {\n                range = items.splice(0, diff);\n                items.push.apply(items, range);\n            } else {\n                range = items.splice(diff, -diff);\n                items.unshift.apply(items, range);\n            }\n            return range;\n        }\n        function render(element, data, templates) {\n            var itemTemplate = templates.template;\n            element = $(element);\n            if (!data.item) {\n                itemTemplate = templates.placeholderTemplate;\n            }\n            this.angular('cleanup', function () {\n                return { elements: [element] };\n            });\n            element.attr('data-uid', data.item ? data.item.uid : '').attr('data-offset-index', data.index).html(itemTemplate(data.item || {}));\n            element.toggleClass(FOCUSED, data.current);\n            element.toggleClass(SELECTED, data.selected);\n            element.toggleClass('k-first', data.newGroup);\n            element.toggleClass('k-loading-item', !data.item);\n            if (data.index !== 0 && data.newGroup) {\n                $('<div class=' + GROUPITEM + '></div>').appendTo(element).html(templates.groupTemplate(data.group));\n            }\n            if (data.top !== undefined) {\n                position(element[0], data.top);\n            }\n            this.angular('compile', function () {\n                return {\n                    elements: [element],\n                    data: [{\n                            dataItem: data.item,\n                            group: data.group,\n                            newGroup: data.newGroup\n                        }]\n                };\n            });\n        }\n        function mapChangedItems(selected, itemsToMatch) {\n            var itemsLength = itemsToMatch.length;\n            var selectedLength = selected.length;\n            var dataItem;\n            var found;\n            var i, j;\n            var changed = [];\n            var unchanged = [];\n            if (selectedLength) {\n                for (i = 0; i < selectedLength; i++) {\n                    dataItem = selected[i];\n                    found = false;\n                    for (j = 0; j < itemsLength; j++) {\n                        if (dataItem === itemsToMatch[j]) {\n                            found = true;\n                            changed.push({\n                                index: i,\n                                item: dataItem\n                            });\n                            break;\n                        }\n                    }\n                    if (!found) {\n                        unchanged.push(dataItem);\n                    }\n                }\n            }\n            return {\n                changed: changed,\n                unchanged: unchanged\n            };\n        }\n        function isActivePromise(promise) {\n            return promise && promise.state() !== 'resolved';\n        }\n        var VirtualList = DataBoundWidget.extend({\n            init: function (element, options) {\n                var that = this;\n                that.bound(false);\n                that._fetching = false;\n                Widget.fn.init.call(that, element, options);\n                if (!that.options.itemHeight) {\n                    that.options.itemHeight = getDefaultItemHeight();\n                }\n                options = that.options;\n                that.element.addClass(LIST + ' ' + VIRTUALLIST).attr('role', 'listbox');\n                that.content = that.element.wrap('<div unselectable=\\'on\\' class=\\'' + CONTENT + '\\'></div>').parent();\n                that.wrapper = that.content.wrap('<div class=\\'' + WRAPPER + '\\'></div>').parent();\n                that.header = that.content.before('<div class=\\'' + HEADER + '\\'></div>').prev();\n                that.element.on('mouseenter' + VIRTUAL_LIST_NS, 'li:not(.k-loading-item)', function () {\n                    $(this).addClass(HOVER);\n                }).on('mouseleave' + VIRTUAL_LIST_NS, 'li', function () {\n                    $(this).removeClass(HOVER);\n                });\n                that._values = toArray(that.options.value);\n                that._selectedDataItems = [];\n                that._selectedIndexes = [];\n                that._rangesList = {};\n                that._promisesList = [];\n                that._optionID = kendo.guid();\n                that._templates();\n                that.setDataSource(options.dataSource);\n                that.content.on('scroll' + VIRTUAL_LIST_NS, kendo.throttle(function () {\n                    that._renderItems();\n                    that._triggerListBound();\n                }, options.delay));\n                that._selectable();\n            },\n            options: {\n                name: 'VirtualList',\n                autoBind: true,\n                delay: 100,\n                height: null,\n                listScreens: 4,\n                threshold: 0.5,\n                itemHeight: null,\n                oppositeBuffer: 1,\n                type: 'flat',\n                selectable: false,\n                value: [],\n                dataValueField: null,\n                template: '#:data#',\n                placeholderTemplate: 'loading...',\n                groupTemplate: '#:data#',\n                fixedGroupTemplate: 'fixed header template',\n                mapValueTo: 'index',\n                valueMapper: null\n            },\n            events: [\n                CHANGE,\n                CLICK,\n                LISTBOUND,\n                ITEMCHANGE,\n                ACTIVATE,\n                DEACTIVATE\n            ],\n            setOptions: function (options) {\n                Widget.fn.setOptions.call(this, options);\n                if (this._selectProxy && this.options.selectable === false) {\n                    this.element.off(CLICK, '.' + VIRTUALITEM, this._selectProxy);\n                } else if (!this._selectProxy && this.options.selectable) {\n                    this._selectable();\n                }\n                this._templates();\n                this.refresh();\n            },\n            items: function () {\n                return $(this._items);\n            },\n            destroy: function () {\n                this.wrapper.off(VIRTUAL_LIST_NS);\n                this.dataSource.unbind(CHANGE, this._refreshHandler);\n                Widget.fn.destroy.call(this);\n            },\n            setDataSource: function (source) {\n                var that = this;\n                var dataSource = source || {};\n                var value;\n                dataSource = $.isArray(dataSource) ? { data: dataSource } : dataSource;\n                dataSource = kendo.data.DataSource.create(dataSource);\n                if (that.dataSource) {\n                    that.dataSource.unbind(CHANGE, that._refreshHandler);\n                    that._clean();\n                    that.bound(false);\n                    that._deferValueSet = true;\n                    value = that.value();\n                    that.value([]);\n                    that.mute(function () {\n                        that.value(value);\n                    });\n                } else {\n                    that._refreshHandler = $.proxy(that.refresh, that);\n                }\n                that.dataSource = dataSource.bind(CHANGE, that._refreshHandler);\n                that.setDSFilter(dataSource.filter());\n                if (dataSource.view().length !== 0) {\n                    that.refresh();\n                } else if (that.options.autoBind) {\n                    dataSource.fetch();\n                }\n            },\n            skip: function () {\n                return this.dataSource.currentRangeStart();\n            },\n            _triggerListBound: function () {\n                var that = this;\n                var skip = that.skip();\n                if (that.bound() && !that._selectingValue && that._skip !== skip) {\n                    that._skip = skip;\n                    that.trigger(LISTBOUND);\n                }\n            },\n            _getValues: function (dataItems) {\n                var getter = this._valueGetter;\n                return $.map(dataItems, function (dataItem) {\n                    return getter(dataItem);\n                });\n            },\n            refresh: function (e) {\n                var that = this;\n                var action = e && e.action;\n                var isItemChange = action === 'itemchange';\n                var filtered = this.isFiltered();\n                var result;\n                if (that._mute) {\n                    return;\n                }\n                that._deferValueSet = false;\n                if (!that._fetching) {\n                    if (filtered) {\n                        that.focus(0);\n                    }\n                    that._createList();\n                    if (!action && that._values.length && !filtered && !that.options.skipUpdateOnBind) {\n                        that._selectingValue = true;\n                        that.value(that._values, true).done(function () {\n                            that.bound(true);\n                            that._selectingValue = false;\n                            that._triggerListBound();\n                        });\n                    } else {\n                        that.bound(true);\n                        that._triggerListBound();\n                    }\n                } else {\n                    if (that._renderItems) {\n                        that._renderItems(true);\n                    }\n                    that._triggerListBound();\n                }\n                if (isItemChange || action === 'remove') {\n                    result = mapChangedItems(that._selectedDataItems, e.items);\n                    if (result.changed.length) {\n                        if (isItemChange) {\n                            that.trigger('selectedItemChange', { items: result.changed });\n                        } else {\n                            that.value(that._getValues(result.unchanged));\n                        }\n                    }\n                }\n                that._fetching = false;\n            },\n            removeAt: function (position) {\n                this._selectedIndexes.splice(position, 1);\n                this._values.splice(position, 1);\n                return {\n                    position: position,\n                    dataItem: this._selectedDataItems.splice(position, 1)[0]\n                };\n            },\n            setValue: function (value) {\n                this._values = toArray(value);\n            },\n            value: function (value, _forcePrefetch) {\n                var that = this;\n                if (value === undefined) {\n                    return that._values.slice();\n                }\n                if (value === null) {\n                    value = [];\n                }\n                value = toArray(value);\n                if (!that._valueDeferred || that._valueDeferred.state() === 'resolved') {\n                    that._valueDeferred = $.Deferred();\n                }\n                var shouldClear = that.options.selectable === 'multiple' && that.select().length && value.length;\n                if (shouldClear || !value.length) {\n                    that.select(-1);\n                }\n                that._values = value;\n                if (that.bound() && !that._mute && !that._deferValueSet || _forcePrefetch) {\n                    that._prefetchByValue(value);\n                }\n                return that._valueDeferred;\n            },\n            _prefetchByValue: function (value) {\n                var that = this, dataView = that._dataView, valueGetter = that._valueGetter, mapValueTo = that.options.mapValueTo, item, match = false, forSelection = [];\n                for (var i = 0; i < value.length; i++) {\n                    for (var idx = 0; idx < dataView.length; idx++) {\n                        item = dataView[idx].item;\n                        if (item) {\n                            match = isPrimitive(item) ? value[i] === item : value[i] === valueGetter(item);\n                            if (match) {\n                                forSelection.push(dataView[idx].index);\n                            }\n                        }\n                    }\n                }\n                if (forSelection.length === value.length) {\n                    that._values = [];\n                    that.select(forSelection);\n                    return;\n                }\n                if (typeof that.options.valueMapper === 'function') {\n                    that.options.valueMapper({\n                        value: this.options.selectable === 'multiple' ? value : value[0],\n                        success: function (response) {\n                            if (mapValueTo === 'index') {\n                                that.mapValueToIndex(response);\n                            } else if (mapValueTo === 'dataItem') {\n                                that.mapValueToDataItem(response);\n                            }\n                        }\n                    });\n                } else {\n                    that.select([-1]);\n                }\n            },\n            mapValueToIndex: function (indexes) {\n                if (indexes === undefined || indexes === -1 || indexes === null) {\n                    indexes = [];\n                } else {\n                    indexes = toArray(indexes);\n                }\n                if (!indexes.length) {\n                    indexes = [-1];\n                } else {\n                    var removed = this._deselect([]).removed;\n                    if (removed.length) {\n                        this._triggerChange(removed, []);\n                    }\n                }\n                this.select(indexes);\n            },\n            mapValueToDataItem: function (dataItems) {\n                var removed, added;\n                if (dataItems === undefined || dataItems === null) {\n                    dataItems = [];\n                } else {\n                    dataItems = toArray(dataItems);\n                }\n                if (!dataItems.length) {\n                    this.select([-1]);\n                } else {\n                    removed = $.map(this._selectedDataItems, function (item, index) {\n                        return {\n                            index: index,\n                            dataItem: item\n                        };\n                    });\n                    added = $.map(dataItems, function (item, index) {\n                        return {\n                            index: index,\n                            dataItem: item\n                        };\n                    });\n                    this._selectedDataItems = dataItems;\n                    this._selectedIndexes = [];\n                    for (var i = 0; i < this._selectedDataItems.length; i++) {\n                        this._selectedIndexes.push(undefined);\n                    }\n                    this._triggerChange(removed, added);\n                    if (this._valueDeferred) {\n                        this._valueDeferred.resolve();\n                    }\n                }\n            },\n            deferredRange: function (index) {\n                var dataSource = this.dataSource;\n                var take = this.itemCount;\n                var ranges = this._rangesList;\n                var result = $.Deferred();\n                var defs = [];\n                var low = Math.floor(index / take) * take;\n                var high = Math.ceil(index / take) * take;\n                var pages = high === low ? [high] : [\n                    low,\n                    high\n                ];\n                $.each(pages, function (_, skip) {\n                    var end = skip + take;\n                    var existingRange = ranges[skip];\n                    var deferred;\n                    if (!existingRange || existingRange.end !== end) {\n                        deferred = $.Deferred();\n                        ranges[skip] = {\n                            end: end,\n                            deferred: deferred\n                        };\n                        dataSource._multiplePrefetch(skip, take, function () {\n                            deferred.resolve();\n                        });\n                    } else {\n                        deferred = existingRange.deferred;\n                    }\n                    defs.push(deferred);\n                });\n                $.when.apply($, defs).then(function () {\n                    result.resolve();\n                });\n                return result;\n            },\n            prefetch: function (indexes) {\n                var that = this, take = this.itemCount, isEmptyList = !that._promisesList.length;\n                if (!isActivePromise(that._activeDeferred)) {\n                    that._activeDeferred = $.Deferred();\n                    that._promisesList = [];\n                }\n                $.each(indexes, function (_, index) {\n                    that._promisesList.push(that.deferredRange(that._getSkip(index, take)));\n                });\n                if (isEmptyList) {\n                    $.when.apply($, that._promisesList).done(function () {\n                        that._promisesList = [];\n                        that._activeDeferred.resolve();\n                    });\n                }\n                return that._activeDeferred;\n            },\n            _findDataItem: function (view, index) {\n                var group;\n                if (this.options.type === 'group') {\n                    for (var i = 0; i < view.length; i++) {\n                        group = view[i].items;\n                        if (group.length <= index) {\n                            index = index - group.length;\n                        } else {\n                            return group[index];\n                        }\n                    }\n                }\n                return view[index];\n            },\n            _getRange: function (skip, take) {\n                return this.dataSource._findRange(skip, Math.min(skip + take, this.dataSource.total()));\n            },\n            dataItemByIndex: function (index) {\n                var take = this.itemCount;\n                var skip = this._getSkip(index, take);\n                var view = this._getRange(skip, take);\n                return this._findDataItem(view, [index - skip]);\n            },\n            selectedDataItems: function () {\n                return this._selectedDataItems.slice();\n            },\n            scrollWith: function (value) {\n                this.content.scrollTop(this.content.scrollTop() + value);\n            },\n            scrollTo: function (y) {\n                this.content.scrollTop(y);\n            },\n            scrollToIndex: function (index) {\n                this.scrollTo(index * this.options.itemHeight);\n            },\n            focus: function (candidate) {\n                var element, index, data, current, itemHeight = this.options.itemHeight, id = this._optionID, triggerEvent = true;\n                if (candidate === undefined) {\n                    current = this.element.find('.' + FOCUSED);\n                    return current.length ? current : null;\n                }\n                if (typeof candidate === 'function') {\n                    data = this.dataSource.flatView();\n                    for (var idx = 0; idx < data.length; idx++) {\n                        if (candidate(data[idx])) {\n                            candidate = idx;\n                            break;\n                        }\n                    }\n                }\n                if (candidate instanceof Array) {\n                    candidate = lastFrom(candidate);\n                }\n                if (isNaN(candidate)) {\n                    element = $(candidate);\n                    index = parseInt($(element).attr('data-offset-index'), 10);\n                } else {\n                    index = candidate;\n                    element = this._getElementByIndex(index);\n                }\n                if (index === -1) {\n                    this.element.find('.' + FOCUSED).removeClass(FOCUSED);\n                    this._focusedIndex = undefined;\n                    return;\n                }\n                if (element.length) {\n                    if (element.hasClass(FOCUSED)) {\n                        triggerEvent = false;\n                    }\n                    if (this._focusedIndex !== undefined) {\n                        current = this._getElementByIndex(this._focusedIndex);\n                        current.removeClass(FOCUSED).removeAttr('id');\n                        if (triggerEvent) {\n                            this.trigger(DEACTIVATE);\n                        }\n                    }\n                    this._focusedIndex = index;\n                    element.addClass(FOCUSED).attr('id', id);\n                    var position = this._getElementLocation(index);\n                    if (position === 'top') {\n                        this.scrollTo(index * itemHeight);\n                    } else if (position === 'bottom') {\n                        this.scrollTo(index * itemHeight + itemHeight - this._screenHeight);\n                    } else if (position === 'outScreen') {\n                        this.scrollTo(index * itemHeight);\n                    }\n                    if (triggerEvent) {\n                        this.trigger(ACTIVATE);\n                    }\n                } else {\n                    this._focusedIndex = index;\n                    this.items().removeClass(FOCUSED);\n                    this.scrollToIndex(index);\n                }\n            },\n            focusIndex: function () {\n                return this._focusedIndex;\n            },\n            focusFirst: function () {\n                this.scrollTo(0);\n                this.focus(0);\n            },\n            focusLast: function () {\n                var lastIndex = this.dataSource.total();\n                this.scrollTo(this.heightContainer.offsetHeight);\n                this.focus(lastIndex);\n            },\n            focusPrev: function () {\n                var index = this._focusedIndex;\n                var current;\n                if (!isNaN(index) && index > 0) {\n                    index -= 1;\n                    this.focus(index);\n                    current = this.focus();\n                    if (current && current.hasClass('k-loading-item')) {\n                        index += 1;\n                        this.focus(index);\n                    }\n                    return index;\n                } else {\n                    index = this.dataSource.total() - 1;\n                    this.focus(index);\n                    return index;\n                }\n            },\n            focusNext: function () {\n                var index = this._focusedIndex;\n                var lastIndex = this.dataSource.total() - 1;\n                var current;\n                if (!isNaN(index) && index < lastIndex) {\n                    index += 1;\n                    this.focus(index);\n                    current = this.focus();\n                    if (current && current.hasClass('k-loading-item')) {\n                        index -= 1;\n                        this.focus(index);\n                    }\n                    return index;\n                } else {\n                    index = 0;\n                    this.focus(index);\n                    return index;\n                }\n            },\n            _triggerChange: function (removed, added) {\n                removed = removed || [];\n                added = added || [];\n                if (removed.length || added.length) {\n                    this.trigger(CHANGE, {\n                        removed: removed,\n                        added: added\n                    });\n                }\n            },\n            select: function (candidate) {\n                var that = this, indices, singleSelection = that.options.selectable !== 'multiple', prefetchStarted = isActivePromise(that._activeDeferred), filtered = this.isFiltered(), isAlreadySelected, deferred, result, removed = [];\n                if (candidate === undefined) {\n                    return that._selectedIndexes.slice();\n                }\n                if (!that._selectDeferred || that._selectDeferred.state() === 'resolved') {\n                    that._selectDeferred = $.Deferred();\n                }\n                indices = that._getIndecies(candidate);\n                isAlreadySelected = singleSelection && !filtered && lastFrom(indices) === lastFrom(this._selectedIndexes);\n                removed = that._deselectCurrentValues(indices);\n                if (removed.length || !indices.length || isAlreadySelected) {\n                    that._triggerChange(removed);\n                    if (that._valueDeferred) {\n                        that._valueDeferred.resolve();\n                    }\n                    return that._selectDeferred.resolve().promise();\n                }\n                if (indices.length === 1 && indices[0] === -1) {\n                    indices = [];\n                }\n                result = that._deselect(indices);\n                removed = result.removed;\n                indices = result.indices;\n                if (singleSelection) {\n                    prefetchStarted = false;\n                    if (indices.length) {\n                        indices = [lastFrom(indices)];\n                    }\n                }\n                var done = function () {\n                    var added = that._select(indices);\n                    that.focus(indices);\n                    that._triggerChange(removed, added);\n                    if (that._valueDeferred) {\n                        that._valueDeferred.resolve();\n                    }\n                    that._selectDeferred.resolve();\n                };\n                deferred = that.prefetch(indices);\n                if (!prefetchStarted) {\n                    if (deferred) {\n                        deferred.done(done);\n                    } else {\n                        done();\n                    }\n                }\n                return that._selectDeferred.promise();\n            },\n            bound: function (bound) {\n                if (bound === undefined) {\n                    return this._listCreated;\n                }\n                this._listCreated = bound;\n            },\n            mute: function (callback) {\n                this._mute = true;\n                proxy(callback(), this);\n                this._mute = false;\n            },\n            setDSFilter: function (filter) {\n                this._lastDSFilter = $.extend({}, filter);\n            },\n            isFiltered: function () {\n                if (!this._lastDSFilter) {\n                    this.setDSFilter(this.dataSource.filter());\n                }\n                return !kendo.data.Query.compareFilters(this.dataSource.filter(), this._lastDSFilter);\n            },\n            skipUpdate: $.noop,\n            _getElementByIndex: function (index) {\n                return this.items().filter(function (idx, element) {\n                    return index === parseInt($(element).attr('data-offset-index'), 10);\n                });\n            },\n            _getElementByDataItem: function (dataItem) {\n                var dataView = this._dataView, valueGetter = this._valueGetter, element, match;\n                for (var i = 0; i < dataView.length; i++) {\n                    match = dataView[i].item && isPrimitive(dataView[i].item) ? dataView[i].item === dataItem : valueGetter(dataView[i].item) === valueGetter(dataItem);\n                    if (match) {\n                        element = dataView[i];\n                        break;\n                    }\n                }\n                return element ? this._getElementByIndex(element.index) : $();\n            },\n            _clean: function () {\n                this.result = undefined;\n                this._lastScrollTop = undefined;\n                this._skip = undefined;\n                $(this.heightContainer).remove();\n                this.heightContainer = undefined;\n                this.element.empty();\n            },\n            _height: function () {\n                var hasData = !!this.dataSource.view().length, height = this.options.height, itemHeight = this.options.itemHeight, total = this.dataSource.total();\n                if (!hasData) {\n                    height = 0;\n                } else if (height / itemHeight > total) {\n                    height = total * itemHeight;\n                }\n                return height;\n            },\n            setScreenHeight: function () {\n                var height = this._height();\n                this.content.height(height);\n                this._screenHeight = height;\n            },\n            screenHeight: function () {\n                return this._screenHeight;\n            },\n            _getElementLocation: function (index) {\n                var scrollTop = this.content.scrollTop(), screenHeight = this._screenHeight, itemHeight = this.options.itemHeight, yPosition = index * itemHeight, yDownPostion = yPosition + itemHeight, screenEnd = scrollTop + screenHeight, position;\n                if (yPosition === scrollTop - itemHeight || yDownPostion > scrollTop && yPosition < scrollTop) {\n                    position = 'top';\n                } else if (yPosition === screenEnd || yPosition < screenEnd && screenEnd < yDownPostion) {\n                    position = 'bottom';\n                } else if (yPosition >= scrollTop && yPosition <= scrollTop + (screenHeight - itemHeight)) {\n                    position = 'inScreen';\n                } else {\n                    position = 'outScreen';\n                }\n                return position;\n            },\n            _templates: function () {\n                var options = this.options;\n                var templates = {\n                    template: options.template,\n                    placeholderTemplate: options.placeholderTemplate,\n                    groupTemplate: options.groupTemplate,\n                    fixedGroupTemplate: options.fixedGroupTemplate\n                };\n                for (var key in templates) {\n                    if (typeof templates[key] !== 'function') {\n                        templates[key] = kendo.template(templates[key] || '');\n                    }\n                }\n                this.templates = templates;\n            },\n            _generateItems: function (element, count) {\n                var items = [], item, itemHeight = this.options.itemHeight + 'px';\n                while (count-- > 0) {\n                    item = document.createElement('li');\n                    item.tabIndex = -1;\n                    item.className = VIRTUALITEM + ' ' + ITEM;\n                    item.setAttribute('role', 'option');\n                    item.style.height = itemHeight;\n                    item.style.minHeight = itemHeight;\n                    element.appendChild(item);\n                    items.push(item);\n                }\n                return items;\n            },\n            _saveInitialRanges: function () {\n                var ranges = this.dataSource._ranges;\n                var deferred = $.Deferred();\n                deferred.resolve();\n                this._rangesList = {};\n                for (var i = 0; i < ranges.length; i++) {\n                    this._rangesList[ranges[i].start] = {\n                        end: ranges[i].end,\n                        deferred: deferred\n                    };\n                }\n            },\n            _createList: function () {\n                var that = this, content = that.content.get(0), options = that.options, dataSource = that.dataSource;\n                if (that.bound()) {\n                    that._clean();\n                }\n                that._saveInitialRanges();\n                that._buildValueGetter();\n                that.setScreenHeight();\n                that.itemCount = getItemCount(that._screenHeight, options.listScreens, options.itemHeight);\n                if (that.itemCount > dataSource.total()) {\n                    that.itemCount = dataSource.total();\n                }\n                that._items = that._generateItems(that.element[0], that.itemCount);\n                that._setHeight(options.itemHeight * dataSource.total());\n                that.options.type = (dataSource.group() || []).length ? 'group' : 'flat';\n                if (that.options.type === 'flat') {\n                    that.header.hide();\n                } else {\n                    that.header.show();\n                }\n                that.getter = that._getter(function () {\n                    that._renderItems(true);\n                });\n                that._onScroll = function (scrollTop, force) {\n                    var getList = that._listItems(that.getter);\n                    return that._fixedHeader(scrollTop, getList(scrollTop, force));\n                };\n                that._renderItems = that._whenChanged(scrollCallback(content, that._onScroll), syncList(that._reorderList(that._items, $.proxy(render, that))));\n                that._renderItems();\n                that._calculateGroupPadding(that._screenHeight);\n            },\n            _setHeight: function (height) {\n                var currentHeight, heightContainer = this.heightContainer;\n                if (!heightContainer) {\n                    heightContainer = this.heightContainer = appendChild(this.content[0], HEIGHTCONTAINER);\n                } else {\n                    currentHeight = heightContainer.offsetHeight;\n                }\n                if (height !== currentHeight) {\n                    heightContainer.innerHTML = '';\n                    while (height > 0) {\n                        var padHeight = Math.min(height, 250000);\n                        appendChild(heightContainer).style.height = padHeight + 'px';\n                        height -= padHeight;\n                    }\n                }\n            },\n            _getter: function () {\n                var lastRequestedRange = null, dataSource = this.dataSource, lastRangeStart = dataSource.skip(), type = this.options.type, pageSize = this.itemCount, flatGroups = {};\n                if (dataSource.pageSize() < pageSize) {\n                    this.mute(function () {\n                        dataSource.pageSize(pageSize);\n                    });\n                }\n                return function (index, rangeStart) {\n                    var that = this;\n                    if (!dataSource.inRange(rangeStart, pageSize)) {\n                        if (lastRequestedRange !== rangeStart) {\n                            lastRequestedRange = rangeStart;\n                            lastRangeStart = rangeStart;\n                            if (that._getterDeferred) {\n                                that._getterDeferred.reject();\n                            }\n                            that._getterDeferred = that.deferredRange(rangeStart);\n                            that._getterDeferred.then(function () {\n                                var firstItemIndex = that._indexConstraint(that.content[0].scrollTop);\n                                that._getterDeferred = null;\n                                if (rangeStart <= firstItemIndex && firstItemIndex <= rangeStart + pageSize) {\n                                    that._fetching = true;\n                                    dataSource.range(rangeStart, pageSize);\n                                }\n                            });\n                        }\n                        return null;\n                    } else {\n                        if (lastRangeStart !== rangeStart) {\n                            this.mute(function () {\n                                dataSource.range(rangeStart, pageSize);\n                                lastRangeStart = rangeStart;\n                            });\n                        }\n                        var result;\n                        if (type === 'group') {\n                            if (!flatGroups[rangeStart]) {\n                                var flatGroup = flatGroups[rangeStart] = [];\n                                var groups = dataSource.view();\n                                for (var i = 0, len = groups.length; i < len; i++) {\n                                    var group = groups[i];\n                                    for (var j = 0, groupLength = group.items.length; j < groupLength; j++) {\n                                        flatGroup.push({\n                                            item: group.items[j],\n                                            group: group.value\n                                        });\n                                    }\n                                }\n                            }\n                            result = flatGroups[rangeStart][index - rangeStart];\n                        } else {\n                            result = dataSource.view()[index - rangeStart];\n                        }\n                        return result;\n                    }\n                };\n            },\n            _fixedHeader: function (scrollTop, list) {\n                var group = this.currentVisibleGroup, itemHeight = this.options.itemHeight, firstVisibleDataItemIndex = Math.floor((scrollTop - list.top) / itemHeight), firstVisibleDataItem = list.items[firstVisibleDataItemIndex];\n                if (firstVisibleDataItem && firstVisibleDataItem.item) {\n                    var firstVisibleGroup = firstVisibleDataItem.group;\n                    if (firstVisibleGroup !== group) {\n                        this.header[0].innerHTML = firstVisibleGroup || '';\n                        this.currentVisibleGroup = firstVisibleGroup;\n                    }\n                }\n                return list;\n            },\n            _itemMapper: function (item, index, value) {\n                var listType = this.options.type, itemHeight = this.options.itemHeight, currentIndex = this._focusedIndex, selected = false, current = false, newGroup = false, group = null, match = false, valueGetter = this._valueGetter;\n                if (listType === 'group') {\n                    if (item) {\n                        newGroup = index === 0 || this._currentGroup && this._currentGroup !== item.group;\n                        this._currentGroup = item.group;\n                    }\n                    group = item ? item.group : null;\n                    item = item ? item.item : null;\n                }\n                if (!this.isFiltered() && value.length && item) {\n                    for (var i = 0; i < value.length; i++) {\n                        match = isPrimitive(item) ? value[i] === item : value[i] === valueGetter(item);\n                        if (match) {\n                            value.splice(i, 1);\n                            selected = true;\n                            break;\n                        }\n                    }\n                }\n                if (currentIndex === index) {\n                    current = true;\n                }\n                return {\n                    item: item ? item : null,\n                    group: group,\n                    newGroup: newGroup,\n                    selected: selected,\n                    current: current,\n                    index: index,\n                    top: index * itemHeight\n                };\n            },\n            _range: function (index) {\n                var itemCount = this.itemCount, value = this._values.slice(), items = [], item;\n                this._view = {};\n                this._currentGroup = null;\n                for (var i = index, length = index + itemCount; i < length; i++) {\n                    item = this._itemMapper(this.getter(i, index), i, value);\n                    items.push(item);\n                    this._view[item.index] = item;\n                }\n                this._dataView = items;\n                return items;\n            },\n            _getDataItemsCollection: function (scrollTop, lastScrollTop) {\n                var items = this._range(this._listIndex(scrollTop, lastScrollTop));\n                return {\n                    index: items.length ? items[0].index : 0,\n                    top: items.length ? items[0].top : 0,\n                    items: items\n                };\n            },\n            _listItems: function () {\n                var screenHeight = this._screenHeight, options = this.options;\n                var theValidator = listValidator(options, screenHeight);\n                return $.proxy(function (value, force) {\n                    var result = this.result, lastScrollTop = this._lastScrollTop;\n                    if (force || !result || !theValidator(result, value, lastScrollTop)) {\n                        result = this._getDataItemsCollection(value, lastScrollTop);\n                    }\n                    this._lastScrollTop = value;\n                    this.result = result;\n                    return result;\n                }, this);\n            },\n            _whenChanged: function (getter, callback) {\n                var current;\n                return function (force) {\n                    var theNew = getter(force);\n                    if (theNew !== current) {\n                        current = theNew;\n                        callback(theNew, force);\n                    }\n                };\n            },\n            _reorderList: function (list, reorder) {\n                var that = this;\n                var length = list.length;\n                var currentOffset = -Infinity;\n                reorder = $.proxy(map2(reorder, this.templates), this);\n                return function (list2, offset, force) {\n                    var diff = offset - currentOffset;\n                    var range, range2;\n                    if (force || Math.abs(diff) >= length) {\n                        range = list;\n                        range2 = list2;\n                    } else {\n                        range = reshift(list, diff);\n                        range2 = diff > 0 ? list2.slice(-diff) : list2.slice(0, -diff);\n                    }\n                    reorder(range, range2, that.bound());\n                    currentOffset = offset;\n                };\n            },\n            _bufferSizes: function () {\n                var options = this.options;\n                return bufferSizes(this._screenHeight, options.listScreens, options.oppositeBuffer);\n            },\n            _indexConstraint: function (position) {\n                var itemCount = this.itemCount, itemHeight = this.options.itemHeight, total = this.dataSource.total();\n                return Math.min(Math.max(total - itemCount, 0), Math.max(0, Math.floor(position / itemHeight)));\n            },\n            _listIndex: function (scrollTop, lastScrollTop) {\n                var buffers = this._bufferSizes(), position;\n                position = scrollTop - (scrollTop > lastScrollTop ? buffers.down : buffers.up);\n                return this._indexConstraint(position);\n            },\n            _selectable: function () {\n                if (this.options.selectable) {\n                    this._selectProxy = $.proxy(this, '_clickHandler');\n                    this.element.on(CLICK + VIRTUAL_LIST_NS, '.' + VIRTUALITEM, this._selectProxy);\n                }\n            },\n            getElementIndex: function (element) {\n                if (!(element instanceof jQuery)) {\n                    return undefined;\n                }\n                return parseInt(element.attr('data-offset-index'), 10);\n            },\n            _getIndecies: function (candidate) {\n                var result = [], data;\n                if (typeof candidate === 'function') {\n                    data = this.dataSource.flatView();\n                    for (var idx = 0; idx < data.length; idx++) {\n                        if (candidate(data[idx])) {\n                            result.push(idx);\n                            break;\n                        }\n                    }\n                }\n                if (typeof candidate === 'number') {\n                    result.push(candidate);\n                }\n                var elementIndex = this.getElementIndex(candidate);\n                if (!isNaN(elementIndex)) {\n                    result.push(elementIndex);\n                }\n                if (candidate instanceof Array) {\n                    result = candidate;\n                }\n                return result;\n            },\n            _deselect: function (indices) {\n                var removed = [], selectedIndex, dataItem, selectedIndexes = this._selectedIndexes, selectedDataItems = this._selectedDataItems, position = 0, selectable = this.options.selectable, removedindexesCounter = 0, valueGetter = this._valueGetter, item, match, result = null;\n                indices = indices.slice();\n                if (selectable === true || !indices.length) {\n                    for (var idx = 0; idx < selectedIndexes.length; idx++) {\n                        if (selectedIndexes[idx] !== undefined) {\n                            this._getElementByIndex(selectedIndexes[idx]).removeClass(SELECTED);\n                        } else if (selectedDataItems[idx]) {\n                            this._getElementByDataItem(selectedDataItems[idx]).removeClass(SELECTED);\n                        }\n                        removed.push({\n                            index: selectedIndexes[idx],\n                            position: idx,\n                            dataItem: selectedDataItems[idx]\n                        });\n                    }\n                    this._values = [];\n                    this._selectedDataItems = [];\n                    this._selectedIndexes = [];\n                } else if (selectable === 'multiple') {\n                    for (var i = 0; i < indices.length; i++) {\n                        result = null;\n                        position = $.inArray(indices[i], selectedIndexes);\n                        dataItem = this.dataItemByIndex(indices[i]);\n                        if (position === -1 && dataItem) {\n                            for (var j = 0; j < selectedDataItems.length; j++) {\n                                match = isPrimitive(dataItem) ? selectedDataItems[j] === dataItem : valueGetter(selectedDataItems[j]) === valueGetter(dataItem);\n                                if (match) {\n                                    item = this._getElementByIndex(indices[i]);\n                                    result = this._deselectSingleItem(item, j, indices[i], removedindexesCounter);\n                                }\n                            }\n                        } else {\n                            selectedIndex = selectedIndexes[position];\n                            if (selectedIndex !== undefined) {\n                                item = this._getElementByIndex(selectedIndex);\n                                result = this._deselectSingleItem(item, position, selectedIndex, removedindexesCounter);\n                            }\n                        }\n                        if (result) {\n                            indices.splice(i, 1);\n                            removed.push(result);\n                            removedindexesCounter++;\n                            i--;\n                        }\n                    }\n                }\n                return {\n                    indices: indices,\n                    removed: removed\n                };\n            },\n            _deselectSingleItem: function (item, position, selectedIndex, removedindexesCounter) {\n                var dataItem;\n                if (!item.hasClass('k-state-selected')) {\n                    return;\n                }\n                item.removeClass(SELECTED);\n                this._values.splice(position, 1);\n                this._selectedIndexes.splice(position, 1);\n                dataItem = this._selectedDataItems.splice(position, 1)[0];\n                return {\n                    index: selectedIndex,\n                    position: position + removedindexesCounter,\n                    dataItem: dataItem\n                };\n            },\n            _deselectCurrentValues: function (indices) {\n                var children = this.element[0].children;\n                var value, index, position;\n                var values = this._values;\n                var removed = [];\n                var idx = 0;\n                var j;\n                if (this.options.selectable !== 'multiple' || !this.isFiltered()) {\n                    return [];\n                }\n                if (indices[0] === -1) {\n                    $(children).removeClass('k-state-selected');\n                    removed = $.map(this._selectedDataItems.slice(0), function (dataItem, idx) {\n                        return {\n                            dataItem: dataItem,\n                            position: idx\n                        };\n                    });\n                    this._selectedIndexes = [];\n                    this._selectedDataItems = [];\n                    this._values = [];\n                    return removed;\n                }\n                for (; idx < indices.length; idx++) {\n                    position = -1;\n                    index = indices[idx];\n                    value = this._valueGetter(this.dataItemByIndex(index));\n                    for (j = 0; j < values.length; j++) {\n                        if (value == values[j]) {\n                            position = j;\n                            break;\n                        }\n                    }\n                    if (position > -1) {\n                        removed.push(this.removeAt(position));\n                        $(children[index]).removeClass('k-state-selected');\n                    }\n                }\n                return removed;\n            },\n            _getSkip: function (index, take) {\n                var page = index < take ? 1 : Math.floor(index / take) + 1;\n                return (page - 1) * take;\n            },\n            _select: function (indexes) {\n                var that = this, singleSelection = this.options.selectable !== 'multiple', dataSource = this.dataSource, dataItem, oldSkip, take = this.itemCount, valueGetter = this._valueGetter, added = [];\n                if (singleSelection) {\n                    that._selectedIndexes = [];\n                    that._selectedDataItems = [];\n                    that._values = [];\n                }\n                oldSkip = dataSource.skip();\n                $.each(indexes, function (_, index) {\n                    var skip = that._getSkip(index, take);\n                    that.mute(function () {\n                        dataSource.range(skip, take);\n                        dataItem = that._findDataItem(dataSource.view(), [index - skip]);\n                        that._selectedIndexes.push(index);\n                        that._selectedDataItems.push(dataItem);\n                        that._values.push(isPrimitive(dataItem) ? dataItem : valueGetter(dataItem));\n                        added.push({\n                            index: index,\n                            dataItem: dataItem\n                        });\n                        that._getElementByIndex(index).addClass(SELECTED);\n                        dataSource.range(oldSkip, take);\n                    });\n                });\n                return added;\n            },\n            _clickHandler: function (e) {\n                var item = $(e.currentTarget);\n                if (!e.isDefaultPrevented() && item.attr('data-uid')) {\n                    this.trigger(CLICK, { item: item });\n                }\n            },\n            _buildValueGetter: function () {\n                this._valueGetter = kendo.getter(this.options.dataValueField);\n            },\n            _calculateGroupPadding: function (height) {\n                var firstItem = this.items().first(), groupHeader = this.header, padding = 0;\n                if (groupHeader[0] && groupHeader[0].style.display !== 'none') {\n                    if (height !== 'auto') {\n                        padding = kendo.support.scrollbar();\n                    }\n                    padding += parseFloat(firstItem.css('border-right-width'), 10) + parseFloat(firstItem.children('.k-group').css('right'), 10);\n                    groupHeader.css('padding-right', padding);\n                }\n            }\n        });\n        kendo.ui.VirtualList = VirtualList;\n        kendo.ui.plugin(VirtualList);\n    }(window.kendo.jQuery));\n    return window.kendo;\n}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {\n    (a3 || a2)();\n}));"]}