@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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i,n,a,s,o,u,l=this,g=l._getCurrentRangeSpan();r||(r=t,t=0),Se(r)||(r=[r]),i=[],n=this.options.autoSync,this.options.autoSync=!1;try{for(a=0;a<r.length;a++)s=r[a],o=this.insert(t,s),i.push(o),u=o.toJSON(),this._isServerGrouped()&&(u=this._wrapInEmptyGroup(u)),this._pristineData.push(u),g&&g.length&&e(g).last()[0].pristineData.push(u),t++}finally{this.options.autoSync=n}i.length&&this.trigger("push",{type:"create",items:i})},pushCreate:function(e){this.pushInsert(this._data.length,e)},pushUpdate:function(e){var t,r,i,n,a;for(Se(e)||(e=[e]),t=[],r=0;r<e.length;r++)i=e[r],n=this._createNewModel(i),a=this.get(n.id),a?(t.push(a),a.accept(i),a.trigger(Ae),this._updatePristineForModel(a,i)):this.pushCreate(i);t.length&&this.trigger("push",{type:"update",items:t})},pushDestroy:function(e){var t=this._removeItems(e);t.length&&this.trigger("push",{type:"destroy",items:t})},_removeItems:function(e,r){var i,n,a,s,o,u,l;Se(e)||(e=[e]),i=t===r||r,n=[],a=this.options.autoSync,this.options.autoSync=!1;try{for(s=0;s<e.length;s++)o=e[s],u=this._createNewModel(o),l=!1,this._eachItem(this._data,function(e){var t,r;for(t=0;t<e.length;t++)if(r=e.at(t),r.id===u.id){n.push(r),e.splice(t,1),
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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,i=this,n=t.models,a=t.response,s=0,o=i._isServerGrouped(),u=i._pristineData,l=t.type;if(i.trigger(Be,{response:a,type:l}),a&&!ye(a)){if(a=i.reader.parse(a),i._handleCustomErrors(a))return;a=i.reader.data(a),Se(a)||(a=[a])}else a=e.map(n,function(e){return e.toJSON()});for("destroy"===l&&(i._destroyed=[]),s=0,r=n.length;s<r;s++)"destroy"!==l?(n[s].accept(a[s]),"create"===l?u.push(o?i._wrapInEmptyGroup(n[s].toJSON()):a[s]):"update"===l&&i._updatePristineForModel(n[s],a[s])):i._removePristineForModel(n[s])},_updatePristineForModel:function(e,t){this._executeOnPristineForModel(e,function(e,r){Pe.deepExtend(r[e],t)})},_executeOnPristineForModel:function(e,t){this._eachPristineItem(function(r){var i=N(r,e);if(i>-1)return t(i,r),!0})},_removePristineForModel:function(e){this._executeOnPristineForModel(e,function(e,t){t.splice(e,1)})},_readData:function(e){var t=this._isServerGrouped()?this.reader.groups:this.reader.data;return t.call(this.reader,e)},_eachPristineItem:function(e){var t=this,r=t.options,i=t._getCurrentRangeSpan();t._eachItem(t._pristineData,e),r.serverPaging&&r.useRanges&&we(i,function(r,i){t._eachItem(i.pristineData,e)})},_eachItem:function(e,t){e&&e.length&&(this._isServerGrouped()?I(e,t):t(e))},_pristineForModel:function(e){var t,r,i=function(i){if(r=N(i,e),r>-1)return t=i[r],!0};return this._eachPristineItem(i),t},_cancelModel:function(e){var t=this,r=this._pristineForModel(e);this._eachItem(this._data,function(i){var n=L(i,e);n>=0&&(!r||e.isNew()&&!r.__state__?(t._modelCanceled(e),i.splice(n,1),t._removeModelFromRanges(e)):(i[n].accept(r),"update"==r.__state__&&(i[n].dirty=!0)))})},_modelCanceled:xe,_submit:function(t,r){var i=this;i.trigger(Le,{type:"submit"}),i.trigger(je),i.transport.submit(_e({success:function(r,i){var n=e.grep(t,function(e){return e.type==i})[0];n&&n.resolve({response:r,models:n.models,type:i})},error:function(e,r,n){for(var a=0;a<t.length;a++)t[a].reject(e);i.error(e,r,n)}},r))},_sendSubmit:function(t,r,i){var n=this,a=[];return n.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})),i.length&&a.push(e.Deferred(function(e){e.type="destroy",e.models=i})),n._submit(a,{data:{created:n.reader.serialize(w(t)),updated:n.reader.serialize(w(r)),destroyed:n.reader.serialize(w(i))}})),a},_promise:function(t,r,i){var n=this;return e.Deferred(function(e){n.trigger(Le,{type:i}),n.trigger(je),n.transport[i].call(n.transport,_e({success:function(t){e.resolve({response:t,models:r,type:i})},error:function(t,r,i){e.reject(t),n.error(t,r,i)}},t))}).promise()},_send:function(e,t){var r,i,n=this,a=[],s=n.reader.serialize(w(t));if(n.options.batch)t.length&&a.push(n._promise({data:{models:s}},t,e));else for(r=0,i=t.length;r<i;r++)a.push(n._promise({data:s[r]},[t[r]],e));return a},read:function(t){var r=this,i=r._params(t),n=e.Deferred();return r._queueRequest(i,function(){var e=r.trigger(Le,{type:"read"});e?(r._dequeueRequest(),n.resolve(e)):(r.trigger(je),r._ranges=[],r.trigger("reset"),r.online()?r.transport.read({data:i,success:function(e){r._ranges=[],r.success(e,i),n.resolve()},error:function(){var e=Ze.call(arguments);r.error.apply(r,e),n.reject.apply(n,e)}}):null!=r.options.offlineStorage&&(r.success(r.offlineData(),i),n.resolve()))}),n.promise()},_readAggregates:function(e){return this.reader.aggregates(e)},success:function(e){var r,i,n,a,s,o,u,l,g,d,h,f=this,c=f.options;if(f.trigger(Be,{response:e,type:"read"}),f.online()){if(e=f.reader.parse(e),f._handleCustomErrors(e))return f._dequeueRequest(),t;f._total=f.reader.total(e),f._isServerGroupPaged()&&(f._serverGroupsTotal=f._total),f._pageSize>f._total&&(f._pageSize=f._total,f.options.pageSize&&f.options.pageSize>f._pageSize&&(f._pageSize=f.options.pageSize)),f._aggregate&&c.serverAggregates&&(f._aggregateResult=f._readAggregates(e)),e=f._readData(e),f._destroyed=[]}else{for(e=f._readData(e),r=[],n={},a=f.reader.model,s=a?a.idField:"id",o=0;o<this._destroyed.length;o++)u=this._destroyed[o][s],n[u]=u;for(o=0;o<e.length;o++)l=e[o],g=l.__state__,"destroy"==g?n[l[s]]||this._destroyed.push(this._createNewModel(l)):r.push(l);e=r,f._total=e.length}if(f._pristineTotal=f._total,i=f._skip&&f._data.length&&f._skip<f._data.length,f.options.endless)for(i&&f._pristineData.splice(f._skip,f._pristineData.length),r=e.slice(0),d=0;d<r.length;d++)f._pristineData.push(r[d]);else 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r,i,n,a,s=this._isServerGrouped(),o=this.reader.model;if(null!=this.options.offlineStorage){for(r=t(this._data),i=[],n=0;n<this._destroyed.length;n++)a=this._destroyed[n].toJSON(),a.__state__="destroy",i.push(a);this.offlineData(r.concat(i)),e&&(this._pristineData=this.reader.reader?this.reader.reader._wrapDataAccessBase(r):this.reader._wrapDataAccessBase(r))}},_addRange:function(e,r){var i,n=this,a=t!==r?r:n._skip||0,s={data:e,pristineData:e.toJSON(),timestamp:n._timeStamp()};this._isGroupPaged()?(i=a+e.length,s.outerStart=a,s.outerEnd=i):i=a+n._flatData(e,!0).length,s.start=a,s.end=i,n._ranges.push(s),n._sortRanges(),n._isGroupPaged()&&(n._groupsFlat||(n._groupsFlat=[]),n._appendToGroupsFlat(s.data),n._updateOuterRangesLength())},_appendToGroupsFlat:function(e){var t,r=e.length;for(t=0;t<r;t++)this._groupsFlat.push(e[t])},_getGroupByUid:function(e){var t,r,i=this._groupsFlat.length;for(r=0;r<i;r++)if(t=this._groupsFlat[r],t.uid===e)return t},_sortRanges:function(){this._ranges.sort(function(e,t){return e.start-t.start})},error:function(e,t,r){this._dequeueRequest(),this.trigger(Be,{}),this.trigger(Ne,{xhr:e,status:t,errorThrown:r})},_params:function(e){var t=this,r=_e({take:t.take(),skip:t.skip(),page:t.page(),pageSize:t.pageSize(),sort:t._sort,filter:t._filter,group:t._group,aggregate:t._aggregate,groupPaging:!!t._groupPaging},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=U(r.group,t.reader.model)):delete r.group,t.options.serverFiltering?t.reader.model&&r.filter&&(r.filter=H(r.filter,t.reader.model)):delete r.filter,t.options.serverSorting?t.reader.model&&r.sort&&(r.sort=U(r.sort,t.reader.model)):delete r.sort,t.options.serverAggregates?t.reader.model&&r.aggregate&&(r.aggregate=U(r.aggregate,t.reader.model)):delete r.aggregate,t.options.groupPaging||delete r.groupPaging,r},_queueRequest:function(e,r){var i=this;i._requestInProgress?i._pending={callback:me(r,i),options:e}:(i._requestInProgress=!0,i._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,i=r.reader.model;return r._shouldDetachObservableParents=!0,e instanceof at?(r._shouldDetachObservableParents=!1,r._shouldWrap(e)&&(e.type=r.reader.model,e.wrapAll(e,e))):(t=r.pageSize()&&!r.options.serverPaging?K:at,e=new t(e,r.reader.model),e.parent=function(){return r.parent()}),r._isServerGrouped()&&z(e,i),!(r._changeHandler&&r._data&&r._data instanceof at)||r.options.useRanges&&r.options.serverPaging?r._changeHandler=me(r._change,r):r._data.unbind(Ae,r._changeHandler),e.bind(Ae,r._changeHandler)},_updateTotalForAction:function(e,t){var r=this,i=parseInt(r._total,10);b(r._total)||(i=parseInt(r._pristineTotal,10)),"add"===e?i+=t.length:"remove"===e?i-=t.length:"itemchange"===e||"sync"===e||r.options.serverPaging?"sync"===e&&(i=r._pristineTotal=parseInt(r._total,10)):i=r._pristineTotal,r._total=i},_change:function(e){var t,r,i,n=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()||n._destroyed.push(e.items[t]);!n.options.autoSync||"add"!==a&&"remove"!==a&&"itemchange"!==a?(n._updateTotalForAction(a,e?e.items:[]),n._process(n._data,e)):(i=function(t){"sync"===t.action&&(n.unbind("change",i),n._updateTotalForAction(a,e.items))},n.first("change",i),n.sync())},_calculateAggregates:function(e,t){t=t||{};var r=new s(e),i=t.aggregate,n=t.filter;return n&&(r=r.filter(n)),r.aggregate(i)},_process:function(e,r){var i,n=this,a={};n.options.serverPaging!==!0&&(a.skip=n._skip,a.take=n._take||n._pageSize,a.skip===t&&n._page!==t&&n._pageSize!==t&&(a.skip=(n._page-1)*n._pageSize),n.options.useRanges&&(a.skip=n.currentRangeStart())),n.options.serverSorting!==!0&&(a.sort=n._sort),n.options.serverFiltering!==!0&&(a.filter=n._filter),n.options.serverGrouping!==!0&&(a.group=n._group),n.options.serverAggregates!==!0&&(a.aggregate=n._aggregate),n.options.serverGrouping&&n._clearEmptyGroups(e),a.groupPaging=n._groupPaging,i=n._isGroupPaged()&&r&&("page"===r.action||"expandGroup"===r.action||"collapseGroup"===r.action)?n._queryProcess(e,{aggregate:n._aggregate}):n._queryProcess(e,a),n.options.serverAggregates!==!0&&(n._aggregateResult=n._calculateAggregates(i.dataToAggregate||e,a)),n._setView(i,a,r),n._setFilterTotal(i.total,!1),r=r||{},r.items=r.items||n._view,n.trigger(Ae,r)},_setView:function(e,t,r){var i,n=this;n._isGroupPaged()&&!n._isServerGrouped()?!r||"page"!==r.action&&"expandGroup"!==r.action&&"collapseGroup"!==r.action?(n._ranges=[],i=new s(e.data),n._addRange(n._observe(e.data)),t.skip+t.take>e.data.length&&(t.skip=e.data.length-t.take),n.view(i.range(t.skip,t.take).toArray())):(n.view(e.data),n._updateOuterRangesLength()):n.view(e.data)},_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&&Xe.apply(r.parent(),[t,1])},_queryProcess:function(e,t){return this.options.inPlaceSort?s.process(e,t,this.options.inPlaceSort):s.process(e,t)},_mergeState:function(r){var i=this;return r!==t&&(i._pageSize=r.pageSize,i._page=r.page,i._sort=r.sort,i._filter=r.filter,i._group=r.group,i._aggregate=r.aggregate,i._skip=i._currentRangeStart=r.skip,i._take=r.take,i._skip===t&&(i._skip=i._currentRangeStart=i.skip(),r.skip=i.skip()),i._take===t&&i._pageSize!==t&&(i._take=i._pageSize,r.take=i._take),r.sort&&(i._sort=r.sort=o(r.sort),i._sortFields=u(r.sort)),r.filter&&(i._filter=r.filter=i.options.accentFoldingFiltering&&!e.isEmptyObject(r.filter)?e.extend({},g(r.filter),{accentFoldingFiltering:i.options.accentFoldingFiltering}):g(r.filter)),r.group&&(i._group=r.group=_(r.group)),r.aggregate&&(i._aggregate=r.aggregate=p(r.aggregate))),r},query:function(r){var i,n,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&&(n=r.pageSize-this.pageSize(),n>0?(n=this.pageSize(),r.page=r.pageSize/n,r.pageSize=n):(r.page=1,this.options.endless=!1)),this.read(this._mergeState(r))):(a=this.trigger(Le,{type:"read"}),a||(this.trigger(je),r&&(r.groupPaging=this._groupPaging),i=this._queryProcess(this._data,this._mergeState(r)),this._setFilterTotal(i.total,!0),this._aggregateResult=this._calculateAggregates(i.dataToAggregate||this._data,r),this._setView(i,r),this.trigger(Be,{type:"read"}),this.trigger(Ae,{items:i.data,action:r?r.action:""})),e.Deferred().resolve(a).promise())},_hasExpandedSubGroups:function(e){var t,r=!1,i=e.items?e.items.length:0;if(!e.hasSubgroups)return!1;for(t=0;t<i;t++)if(this._groupsState[e.items[t].uid]){r=!0;break}return r},_findGroupedRange:function(e,r,i,n,a){var s,o,u,l,g,d,h,f=this,c=e.length;for(d=0;d<c&&(s=e[d],!(i.taken>=i.take));d++)if(f._getGroupByUid(s.uid)||f._groupsFlat.push(s),f._groupsState[s.uid]){if(f._isServerGroupPaged()){if(f._fetchGroupItems(s,i,n,a))return f._fetchingGroupItems=!0,t;if(l=(s.subgroupCount||s.itemCount)+1,g=i.skip-i.skipped,!f._hasExpandedSubGroups(s)&&g>l){i.skipped+=l;continue}}if(i.includeParents&&i.skipped<i.skip?(i.skipped++,s.excludeHeader=!0):i.includeParents&&(i.taken++,s.excludeHeader=!1),s.hasSubgroups&&s.items&&s.items.length)s.currentItems=[],n||(n=[]),n.push(s),f._findGroupedRange(s.items,s.currentItems,i,n,a),n.pop(),s.currentItems.length||i.taken>0?r.push(s):s.excludeHeader=!1;else{for(o=[],u=s.items.length,h=0;h<u;h++)if(i.skipped<i.skip)i.skipped++;else{if(i.taken>=i.take)break;o.push(s.items[h]),i.taken++}o.length||i.taken>0?(s.currentItems=o,r.push(s)):s.excludeHeader=!1}}else{if(i.skipped<i.skip){i.skipped++;continue}r.push(s),i.taken++}},_expandedSubGroupItemsCount:function(e,t,r){var i,n,a,s=this,o=0,u="number"==typeof t,l=u?t:e.subgroupCount;if(!e.hasSubgroups)return o;for(a=0;a<l&&(i=e.items[a],i);a++)if(i.hasSubgroups&&s._groupsState[e.uid]?(n=s._expandedSubGroupItemsCount(i,l,!0),o+=n,u&&(l-=n)):!i.hasSubgroups&&s._groupsState[i.uid]&&(n=i.items?i.items.length:0,o+=n,u&&(l-=n)),r&&(o+=1,u&&(l-=1)),u&&o>l)return o;return o},_fetchGroupItems:function(e,r,i,n){var a,s,o,u,l=this,g=e.hasSubgroups?e.subgroupCount:e.itemCount,d=r.take,h=r.skipped,f=l.take();return r.includeParents&&(h<r.skip?h+=1:d-=1),!e.items||e.items&&!e.items.length?(l.getGroupItems(e,r,i,n,0),!0):(u=this._expandedSubGroupItemsCount(e,r.skip-h),a=Math.max(r.skip-(h+u),0),!(a>=g)&&(s=e.items[a],o=e.items[Math.min(a+d,g-1)],s.notFetched?(l.getGroupItems(e,r,i,n,Qe.max(Qe.floor(a/f),0)*f),!0):o.notFetched?(l.getGroupItems(e,r,i,n,Qe.max(Qe.floor((a+f)/f),0)*f),!0):t))},getGroupItems:function(e,t,r,i,n){var a,s,o,u,l=this;e.items||(e.items=[]),a=l.take(),s=this._composeItemsFilter(e,r),o={page:Qe.floor((n||0)/(a||1))||1,pageSize:a,skip:n,take:a,filter:s,aggregate:l._aggregate,sort:l._sort},u=l.findSubgroups(e),u&&u.length&&(o.group=u,o.groupPaging=!0),clearTimeout(l._timeout),l._timeout=setTimeout(function(){l._queueRequest(o,function(){l.trigger(Le,{type:"read"})?l._dequeueRequest():l.transport.read({data:o,success:l._groupItemsSuccessHandler(e,t.skip,l.take(),i,n),error:function(){var e=Ze.call(arguments);l.error.apply(l,e)}})})},100)},_groupItemsSuccessHandler:function(e,t,r,i,n){var a,s=this,o=s._timeStamp();return i=Fe(i)?i:xe,a=s.options.schema&&s.options.schema.total?s.options.schema.total:"Total",function(u){var l,g,d,h=ee.define(s.options.schema.model);for(s._dequeueRequest(),s.trigger(Be,{response:u,type:"read"}),g=Fe(a)?a(u):u[a],u=s.reader.parse(u),e.hasSubgroups?(l=s.reader.groups(u),e.subgroupCount=g):(l=s.reader.data(u),l=l.map(function(e){return new h(e)})),e.items.omitChangeEvent=!0,d=0;d<g;d++)d>=n&&d<n+r?e.items.splice(d,1,l[d-n]):e.items[d]||e.items.splice(d,0,{notFetched:!0});e.items.omitChangeEvent=!1,s._updateRangePristineData(e),s._fetchingGroupItems=!1,e.countAdded||(s._serverGroupsTotal+=g,e.countAdded=!0),s.range(t,r,i,"expandGroup"),(o>=s._currentRequestTimeStamp||!s._skipRequestsInProgress)&&s.trigger(Ae,{})}},findSubgroups:function(e){var t=this._group.map(function(e){return e.field}).indexOf(e.field);ret