@progress/kendo-ui/js/kendo.data.min.js

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

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t,r=this,n=[],i=[],a=r._destroyed,s=e.Deferred().resolve().promise();if(r.online()){if(!r.reader.model)return s;n=r.created(),i=r.updated(),t=[],r.options.batch&&r.transport.submit?t=r._sendSubmit(n,i,a):(t.push.apply(t,r._send("create",n)),t.push.apply(t,r._send("update",i)),t.push.apply(t,r._send("destroy",a))),s=e.when.apply(null,t).then(function(){var e,t;for(e=0,t=arguments.length;e<t;e++)arguments[e]&&r._accept(arguments[e]);r._storeData(!0),r._syncEnd(),r._change({action:"sync"}),r.trigger(Ie)})}else r._storeData(!0),r._syncEnd(),r._change({action:"sync"});return s},_syncEnd:we,cancelChanges:function(e){var t=this;e instanceof ke.data.Model?t._cancelModel(e):(t._destroyed=[],t._detachObservableParents(),t._data=t._observe(t._pristineData),t.options.serverPaging&&(t._total=t._pristineTotal),t._ranges=[],t._addRange(t._data,0),t._changesCanceled(),
t._change(),t._markOfflineUpdatesAsDirty())},_changesCanceled:we,_markOfflineUpdatesAsDirty:function(){var e=this;null!=e.options.offlineStorage&&e._eachItem(e._data,function(e){var t,r;for(t=0;t<e.length;t++)r=e.at(t),"update"!=r.__state__&&"create"!=r.__state__||(r.dirty=!0)})},hasChanges:function(){var e,t,r=this._flatData(this._data,this.options.useRanges);if(this._destroyed.length)return!0;for(e=0,t=r.length;e<t;e++)if(r[e].isNew&&r[e].isNew()||r[e].dirty)return!0;return!1},_accept:function(t){var r,n=this,i=t.models,a=t.response,s=0,o=n._isServerGrouped(),u=n._pristineData,l=t.type;if(n.trigger(Le,{response:a,type:l}),a&&!ve(a)){if(a=n.reader.parse(a),n._handleCustomErrors(a))return;a=n.reader.data(a),me(a)||(a=[a])}else a=e.map(i,function(e){return 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t=this,r=t.options,n=t._getCurrentRangeSpan();t._eachItem(t._pristineData,e),r.serverPaging&&r.useRanges&&be(n,function(r,n){t._eachItem(n.pristineData,e)})},_eachItem:function(e,t){e&&e.length&&(this._isServerGrouped()?P(e,t):t(e))},_pristineForModel:function(e){var t,r,n=function(n){if(r=N(n,e),r>-1)return t=n[r],!0};return this._eachPristineItem(n),t},_cancelModel:function(e){var t=this,r=this._pristineForModel(e);this._eachItem(this._data,function(n){var i=G(n,e);i>=0&&(!r||e.isNew()&&!r.__state__?(t._modelCanceled(e),n.splice(i,1),t._removeModelFromRanges(e)):(n[i].accept(r),"update"==r.__state__&&(n[i].dirty=!0)))})},_modelCanceled:we,_submit:function(t,r){var n=this;n.trigger(Ge,{type:"submit"}),n.trigger(Ee),n.transport.submit(ge({success:function(r,n){var i=e.grep(t,function(e){return e.type==n})[0];i&&i.resolve({response:r,models:i.models,type:n})},error:function(e,r,i){for(var a=0;a<t.length;a++)t[a].reject(e);n.error(e,r,i)}},r))},_sendSubmit:function(t,r,n){var i=this,a=[];return i.options.batch&&(t.length&&a.push(e.Deferred(function(e){e.type="create",e.models=t})),r.length&&a.push(e.Deferred(function(e){e.type="update",e.models=r})),n.length&&a.push(e.Deferred(function(e){e.type="destroy",e.models=n})),i._submit(a,{data:{created:i.reader.serialize(b(t)),updated:i.reader.serialize(b(r)),destroyed:i.reader.serialize(b(n))}})),a},_promise:function(t,r,n){var i=this;return e.Deferred(function(e){i.trigger(Ge,{type:n}),i.trigger(Ee),i.transport[n].call(i.transport,ge({success:function(t){e.resolve({response:t,models:r,type:n})},error:function(t,r,n){e.reject(t),i.error(t,r,n)}},t))}).promise()},_send:function(e,t){var r,n,i=this,a=[],s=i.reader.serialize(b(t));if(i.options.batch)t.length&&a.push(i._promise({data:{models:s}},t,e));else for(r=0,n=t.length;r<n;r++)a.push(i._promise({data:s[r]},[t[r]],e));return a},read:function(t){var r=this,n=r._params(t),i=e.Deferred();return r._queueRequest(n,function(){var e=r.trigger(Ge,{type:"read"});e?(r._dequeueRequest(),i.resolve(e)):(r.trigger(Ee),r._ranges=[],r.trigger("reset"),r.online()?r.transport.read({data:n,success:function(e){r._ranges=[],r.success(e,n),i.resolve()},error:function(){var e=Xe.call(arguments);r.error.apply(r,e),i.reject.apply(i,e)}}):null!=r.options.offlineStorage&&(r.success(r.offlineData(),n),i.resolve()))}),i.promise()},_readAggregates:function(e){return this.reader.aggregates(e)},success:function(e){var r,n,i,a,s,o,u,l,h,d,f,c=this,g=c.options;if(c.trigger(Le,{response:e,type:"read"}),c.online()){if(e=c.reader.parse(e),c._handleCustomErrors(e))return c._dequeueRequest(),t;c._total=c.reader.total(e),c._pageSize>c._total&&(c._pageSize=c._total,c.options.pageSize&&c.options.pageSize>c._pageSize&&(c._pageSize=c.options.pageSize)),c._aggregate&&g.serverAggregates&&(c._aggregateResult=c._readAggregates(e)),e=c._readData(e),c._destroyed=[]}else{for(e=c._readData(e),r=[],i={},a=c.reader.model,s=a?a.idField:"id",o=0;o<this._destroyed.length;o++)u=this._destroyed[o][s],i[u]=u;for(o=0;o<e.length;o++)l=e[o],h=l.__state__,"destroy"==h?i[l[s]]||this._destroyed.push(this._createNewModel(l)):r.push(l);e=r,c._total=e.length}if(c._pristineTotal=c._total,n=c._skip&&c._data.length&&c._skip<c._data.length,c.options.endless)for(n&&c._pristineData.splice(c._skip,c._pristineData.length),r=e.slice(0),d=0;d<r.length;d++)c._pristineData.push(r[d]);else 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r,n,i,a,s=this._isServerGrouped(),o=this.reader.model;if(null!=this.options.offlineStorage){for(r=t(this._data),n=[],i=0;i<this._destroyed.length;i++)a=this._destroyed[i].toJSON(),a.__state__="destroy",n.push(a);this.offlineData(r.concat(n)),e&&(this._pristineData=this.reader.reader?this.reader.reader._wrapDataAccessBase(r):this.reader._wrapDataAccessBase(r))}},_addRange:function(e,r){var n=this,i=t!==r?r:n._skip||0,a=i+n._flatData(e,!0).length;n._ranges.push({start:i,end:a,data:e,pristineData:e.toJSON(),timestamp:n._timeStamp()}),n._sortRanges()},_sortRanges:function(){this._ranges.sort(function(e,t){return e.start-t.start})},error:function(e,t,r){this._dequeueRequest(),this.trigger(Le,{}),this.trigger(Ne,{xhr:e,status:t,errorThrown:r})},_params:function(e){var t=this,r=ge({take:t.take(),skip:t.skip(),page:t.page(),pageSize:t.pageSize(),sort:t._sort,filter:t._filter,group:t._group,aggregate:t._aggregate},e);return t.options.serverPaging||(delete r.take,delete r.skip,delete r.page,delete r.pageSize),t.options.serverGrouping?t.reader.model&&r.group&&(r.group=B(r.group,t.reader.model)):delete r.group,t.options.serverFiltering?t.reader.model&&r.filter&&(r.filter=j(r.filter,t.reader.model)):delete r.filter,t.options.serverSorting?t.reader.model&&r.sort&&(r.sort=B(r.sort,t.reader.model)):delete r.sort,t.options.serverAggregates?t.reader.model&&r.aggregate&&(r.aggregate=B(r.aggregate,t.reader.model)):delete r.aggregate,r},_queueRequest:function(e,r){var n=this;n._requestInProgress?n._pending={callback:pe(r,n),options:e}:(n._requestInProgress=!0,n._pending=t,r())},_dequeueRequest:function(){var e=this;e._requestInProgress=!1,e._pending&&e._queueRequest(e._pending.options,e._pending.callback)},_handleCustomErrors:function(e){if(this.reader.errors){var t=this.reader.errors(e);if(t)return this.trigger(Ne,{xhr:null,status:"customerror",errorThrown:"custom error",errors:t}),!0}return!1},_shouldWrap:function(e){var t=this.reader.model;return!(!t||!e.length)&&!(e[0]instanceof t)},_observe:function(e){var t,r=this,n=r.reader.model;return r._shouldDetachObservableParents=!0,e instanceof rt?(r._shouldDetachObservableParents=!1,r._shouldWrap(e)&&(e.type=r.reader.model,e.wrapAll(e,e))):(t=r.pageSize()&&!r.options.serverPaging?W:rt,e=new t(e,r.reader.model),e.parent=function(){return r.parent()}),r._isServerGrouped()&&O(e,n),!(r._changeHandler&&r._data&&r._data instanceof rt)||r.options.useRanges&&r.options.serverPaging?r._changeHandler=pe(r._change,r):r._data.unbind(Ae,r._changeHandler),e.bind(Ae,r._changeHandler)},_updateTotalForAction:function(e,t){var r=this,n=parseInt(r._total,10);y(r._total)||(n=parseInt(r._pristineTotal,10)),"add"===e?n+=t.length:"remove"===e?n-=t.length:"itemchange"===e||"sync"===e||r.options.serverPaging?"sync"===e&&(n=r._pristineTotal=parseInt(r._total,10)):n=r._pristineTotal,r._total=n},_change:function(e){var t,r,n,i=this,a=e?e.action:"";if("remove"===a)for(t=0,r=e.items.length;t<r;t++)e.items[t].isNew&&e.items[t].isNew()||i._destroyed.push(e.items[t]);!i.options.autoSync||"add"!==a&&"remove"!==a&&"itemchange"!==a?(i._updateTotalForAction(a,e?e.items:[]),i._process(i._data,e)):(n=function(t){"sync"===t.action&&(i.unbind("change",n),i._updateTotalForAction(a,e.items))},i.first("change",n),i.sync())},_calculateAggregates:function(e,t){t=t||{};var r=new a(e),n=t.aggregate,i=t.filter;return i&&(r=r.filter(i)),r.aggregate(n)},_process:function(e,r){var n,i=this,a={};i.options.serverPaging!==!0&&(a.skip=i._skip,a.take=i._take||i._pageSize,a.skip===t&&i._page!==t&&i._pageSize!==t&&(a.skip=(i._page-1)*i._pageSize),i.options.useRanges&&(a.skip=i.currentRangeStart())),i.options.serverSorting!==!0&&(a.sort=i._sort),i.options.serverFiltering!==!0&&(a.filter=i._filter),i.options.serverGrouping!==!0&&(a.group=i._group),i.options.serverAggregates!==!0&&(a.aggregate=i._aggregate),i.options.serverGrouping&&i._clearEmptyGroups(e),n=i._queryProcess(e,a),i.options.serverAggregates!==!0&&(i._aggregateResult=i._calculateAggregates(n.dataToAggregate||e,a)),i.view(n.data),i._setFilterTotal(n.total,!1),r=r||{},r.items=r.items||i._view,i.trigger(Ae,r)},_clearEmptyGroups:function(e){var t,r;for(t=e.length-1;t>=0;t--)r=e[t],r.hasSubgroups?this._clearEmptyGroups(r.items):r.items&&!r.items.length&&$e.apply(r.parent(),[t,1])},_queryProcess:function(e,t){return this.options.inPlaceSort?a.process(e,t,this.options.inPlaceSort):a.process(e,t)},_mergeState:function(r){var n=this;return r!==t&&(n._pageSize=r.pageSize,n._page=r.page,n._sort=r.sort,n._filter=r.filter,n._group=r.group,n._aggregate=r.aggregate,n._skip=n._currentRangeStart=r.skip,n._take=r.take,n._skip===t&&(n._skip=n._currentRangeStart=n.skip(),r.skip=n.skip()),n._take===t&&n._pageSize!==t&&(n._take=n._pageSize,r.take=n._take),r.sort&&(n._sort=r.sort=s(r.sort)),r.filter&&(n._filter=r.filter=n.options.accentFoldingFiltering&&!e.isEmptyObject(r.filter)?e.extend({},u(r.filter),{accentFoldingFiltering:n.options.accentFoldingFiltering}):u(r.filter)),r.group&&(n._group=r.group=g(r.group)),r.aggregate&&(n._aggregate=r.aggregate=c(r.aggregate))),r},query:function(r){var n,i,a,s=this.options.serverSorting||this.options.serverPaging||this.options.serverFiltering||this.options.serverGrouping||this.options.serverAggregates;return s||(this._data===t||0===this._data.length)&&!this._destroyed.length?(this.options.endless&&(i=r.pageSize-this.pageSize(),i>0?(i=this.pageSize(),r.page=r.pageSize/i,r.pageSize=i):(r.page=1,this.options.endless=!1)),this.read(this._mergeState(r))):(a=this.trigger(Ge,{type:"read"}),a||(this.trigger(Ee),n=this._queryProcess(this._data,this._mergeState(r)),this._setFilterTotal(n.total,!0),this._aggregateResult=this._calculateAggregates(n.dataToAggregate||this._data,r),this.view(n.data),this.trigger(Le,{type:"read"}),this.trigger(Ae,{items:n.data})),e.Deferred().resolve(a).promise())},_setFilterTotal:function(e,r){var n=this;n.options.serverFiltering||(e!==t?n._total=e:r&&(n._total=n._data.length))},fetch:function(e){var t=this,r=function(r){r!==!0&&xe(e)&&e.call(t)};return this._query().done(r)},_query:function(e){var t=this;return t.query(ge({},{page:t.page(),pageSize:t.pageSize(),sort:t.sort(),filter:t.filter(),group:t.group(),aggregate:t.aggregate()},e))},next:function(e){var t=this,r=t.page(),n=t.total();if(e=e||{},r&&!(n&&r+1>t.totalPages()))return t._skip=t._currentRangeStart=r*t.take(),r+=1,e.page=r,t._query(e),r},prev:function(e){var t=this,r=t.page();if(e=e||{},r&&1!==r)return t._skip=t._currentRangeStart=t._skip-t.take(),r-=1,e.page=r,t._query(e),r},page:function(e){var r,n=this;return e!==t?(e=Je.max(Je.min(Je.max(e,1),n.totalPages()),1),n._query(n._pageableQueryOptions({page:e})),t):(r=n.skip(),r!==t?Je.round((r||0)/(n.take()||1))+1:t)},pageSize:function(e){var r=this;return e!==t?(r._query(r._pageableQueryOptions({pageSize:e,page:1})),t):r.take()},sort:function(e){var r=this;return e!==t?(r._query({sort:e}),t):r._sort},filter:function(e){var r=this;return e===t?r._filter:(r.trigger("reset"),r._query({filter:e,page:1}),t)},group:function(e){var r=this;return e!==t?(r._query({group:e}),t):r._group},total:function(){return parseInt(this._total||0,10)},aggregate:function(e){var r=this;return e!==t?(r._query({aggregate:e}),t):r._aggregate},aggregates:function(){var e=this._aggregateResult;return ve(e)&&(e=this._emptyAggregates(this.aggregate())),e},_emptyAggregates:function(e){var t,r,n={};if(!ve(e))for(t={},me(e)||(e=[e]),r=0;r<e.length;r++)t[e[r].aggregate]=0,n[e[r].field]=t;return n},_pageableQueryOptions:function(e){return e},_wrapInEmptyGroup:function(e){var t,r,n,i,a=this.group();for(n=a.length-1,i=0;n>=i;n--)r=a[n],t={value:e.get?e.get(r.field):e[r.field],field:r.field,items:t?[t]:[e],hasSubgroups:!!t,aggregates:this._emptyAggregates(r.aggregates)};return t},totalPages:function(){var e=this,t=e.pageSize()||e.total();return Je.ceil((e.total()||0)/t)},inRange:function(e,t){var r=this,n=Je.min(e+t,r.total());return!r.options.serverPaging&&r._data.length>0||r._findRange(e,n).length>0},lastRange:function(){var e=this._ranges;return e[e.length-1]||{start:0,end:0,data:[]}},firstItemUid:function(){var e=this._ranges;return 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