@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=this;if(e!==F){t._detachObservableParents();t._data=this._observe(e);t._pristineData=e.slice(0);t._storeData();t._ranges=[];t.trigger("reset");t._addRange(t._data);t._total=t._data.length;t._pristineTotal=t._total;t._process(t._data)}else{if(t._data)for(var r=0;r<t._data.length;r++)t._data.at(r);return t._data}},view:function(e){if(e===F)return this._view;else this._view=this._observeView(e)},_observeView:function(e){var t=this;Ue(e,t._data,t._ranges,t.reader.model||f,t._isServerGrouped());var r=new K(e,t.reader.model);r.parent=function(){return t.parent()};return r},flatView:function(){var e=this.group()||[];if(e.length)return Me(this._view);else return this._view},add:function(e){return this.insert(this._data.length,e)},_createNewModel:function(e){if(this.reader.model)return new this.reader.model(e);if(e instanceof f)return e;return new f(e)},insert:function(e,t){if(!t){t=e;e=0}if(!(t instanceof ne))t=this._createNewModel(t);if(this._isServerGrouped())this._data.splice(e,0,this._wrapInEmptyGroup(t));else this._data.splice(e,0,t);this._insertModelInRange(e,t);return t},pushInsert:function(e,t){var r=this;var i=r._getCurrentRangeSpan();if(!t){t=e;e=0}if(!l(t))t=[t];var n=[];var a=this.options.autoSync;this.options.autoSync=false;try{for(var s=0;s<t.length;s++){var o=t[s];var u=this.insert(e,o);n.push(u);var f=u.toJSON();if(this._isServerGrouped())f=this._wrapInEmptyGroup(f);this._pristineData.push(f);if(i&&i.length)v(i).last()[0].pristineData.push(f);e++}}finally{this.options.autoSync=a}if(n.length)this.trigger("push",{type:"create",items:n})},pushCreate:function(e){this.pushInsert(this._data.length,e)},pushUpdate:function(e){if(!l(e))e=[e];var t=[];for(var r=0;r<e.length;r++){var i=e[r];var n=this._createNewModel(i);var a=this.get(n.id);if(a){t.push(a);a.accept(i);a.trigger(c);this._updatePristineForModel(a,i)}else this.pushCreate(i)}if(t.length)this.trigger("push",{type:"update",items:t})},pushDestroy:function(e){var t=this._removeItems(e);if(t.length)this.trigger("push",{type:"destroy",items:t})},_removeItems:function(e,t){if(!l(e))e=[e];var r=typeof t!=="undefined"?t:true;var i=[];var n=this.options.autoSync;this.options.autoSync=false;try{for(var a=0;a<e.length;a++){var s=e[a];var o=this._createNewModel(s);var u=false;this._eachItem(this._data,function(e){for(var t=0;t<e.length;t++){var r=e.at(t);if(r.id===o.id){i.push(r);e.splice(t,1);u=true;break}}});if(u&&r){this._removePristineForModel(o);this._destroyed.pop()}}}finally{this.options.autoSync=n}return i},pushMove:function(e,t){var r=this._moveItems(e,t);if(r.length)this.trigger("push",{type:"update",items:r})},_moveItems:function(i,e){if(!l(e))e=[e];var n=[];var t=this.options.autoSync;this.options.autoSync=false;try{for(var r=0;r<e.length;r++){var a=e[r];var s=this._createNewModel(a);this._eachItem(this._data,function(e){for(var t=0;t<e.length;t++){var r=e.at(t);if(r.id===s.id){n.push(r);e.splice(i>=t?--i:i,0,e.splice(t,1)[0]);i++;break}}})}}finally{this.options.autoSync=t}return n},remove:function(t){var r,e=this,i=e._isServerGrouped();if(i&&t.uid&&(!t.isNew||!t.isNew()))e._pushInDestroyed(t);this._eachItem(e._data,function(e){r=Je(e,t);if(r&&i)return true});this._removeModelFromRanges(t);return t},destroyed:function(){return this._destroyed},created:function(){var e,t,r=[],i=this._flatData(this._data,this.options.useRanges);for(e=0,t=i.length;e<t;e++)if(i[e].isNew&&i[e].isNew())r.push(i[e]);return r},updated:function(){var e,t,r=[],i=this._flatData(this._data,this.options.useRanges);for(e=0,t=i.length;e<t;e++)if(i[e].isNew&&!i[e].isNew()&&i[e].dirty)r.push(i[e]);return r},sync:function(){var r=this,e=[],t=[],i=r._destroyed;var n=v.Deferred().resolve().promise();if(r.online()){if(!r.reader.model)return n;e=r.created();t=r.updated();var a=[];if(r.options.batch&&r.transport.submit)a=r._sendSubmit(e,t,i);else{a.push.apply(a,r._send("create",e));a.push.apply(a,r._send("update",t));a.push.apply(a,r._send("destroy",i))}n=v.when.apply(null,a).then(function(){var e,t;for(e=0,t=arguments.length;e<t;e++)if(arguments[e])r._accept(arguments[e]);r._storeData(true);r._syncEnd();r._change({action:"sync"});r.trigger(R);if(r._isServerGroupPaged())r.read()})}else{r._storeData(true);r._syncEnd();r._change({action:"sync"})}return n},_syncEnd:P,cancelChanges:function(e){var t=this;if(e instanceof m.data.Model)t._cancelModel(e);else{t._destroyed=[];t._detachObservableParents();t._data=t._observe(t._pristineData);if(t.options.serverPaging)t._total=t._pristineTotal;t._ranges=[];t._addRange(t._data,0);t._changesCanceled();t._change();t._markOfflineUpdatesAsDirty();if(t._isServerGrouped())t.read()}},_changesCanceled:P,_markOfflineUpdatesAsDirty:function(){var e=this;if(e.options.offlineStorage!=null)e._eachItem(e._data,function(e){for(var t=0;t<e.length;t++){var r=e.at(t);if(r.__state__=="update"||r.__state__=="create")r.dirty=true}})},hasChanges:function(){var e,t,r=this._flatData(this._data,this.options.useRanges);if(this._destroyed.length)return true;for(e=0,t=r.length;e<t;e++)if(r[e].isNew&&r[e].isNew()||r[e].dirty)return true;return false},_accept:function(e){var t=this,r=e.models,i=e.response,n=0,a=t._isServerGrouped(),s=t._pristineData,o=e.type,u;t.trigger(D,{response:i,type:o});if(i&&!k(i)){i=t.reader.parse(i);if(t._handleCustomErrors(i))return;i=t.reader.data(i);if(!l(i))i=[i]}else i=v.map(r,function(e){return e.toJSON()});if(o==="destroy")t._destroyed=[];for(n=0,u=r.length;n<u;n++)if(o!=="destroy"){r[n].accept(i[n]);if(o==="create")s.push(a?t._wrapInEmptyGroup(r[n].toJSON()):i[n]);else if(o==="update")t._updatePristineForModel(r[n],i[n])}else t._removePristineForModel(r[n])},_updatePristineForModel:function(e,r){this._executeOnPristineForModel(e,function(e,t){m.deepExtend(t[e],r)})},_executeOnPristineForModel:function(r,i){this._eachPristineItem(function(e){var t=Ve(e,r);if(t>-1){i(t,e);return true}})},_removePristineForModel:function(e){this._executeOnPristineForModel(e,function(e,t){t.splice(e,1)})},_readData:function(e){var t=!this._isServerGrouped()?this.reader.data:this.reader.groups;return t.call(this.reader,e)},_eachPristineItem:function(r){var i=this;var e=i.options;var t=i._getCurrentRangeSpan();i._eachItem(i._pristineData,r);if(e.serverPaging&&e.useRanges)x(t,function(e,t){i._eachItem(t.pristineData,r)})},_eachItem:function(e,t){if(e&&e.length)if(this._isServerGrouped())je(e,t);else t(e)},_pristineForModel:function(t){var r,i,e=function(e){i=Ve(e,t);if(i>-1){r=e[i];return true}};this._eachPristineItem(e);return r},_cancelModel:function(r){var i=this;var n=this._pristineForModel(r);this._eachItem(this._data,function(e){var t=Qe(e,r);if(t>=0)if(n&&(!r.isNew()||n.__state__)){e[t].accept(n);if(n.__state__=="update")e[t].dirty=true}else{i._modelCanceled(r);e.splice(t,1);i._removeModelFromRanges(r)}})},_modelCanceled:P,_submit:function(n,e){var a=this;a.trigger(q,{type:"submit"});a.trigger(O);a.transport.submit(p({success:function(e,t){var r=v.grep(n,function(e){return e.type==t})[0];if(r)r.resolve({response:e,models:r.models,type:t})},error:function(e,t,r){for(var i=0;i<n.length;i++)n[i].reject(e);a.error(e,t,r)}},e))},_sendSubmit:function(t,r,i){var e=this,n=[];if(e.options.batch){if(t.length)n.push(v.Deferred(function(e){e.type="create";e.models=t}));if(r.length)n.push(v.Deferred(function(e){e.type="update";e.models=r}));if(i.length)n.push(v.Deferred(function(e){e.type="destroy";e.models=i}));e._submit(n,{data:{created:e.reader.serialize(Fe(t)),updated:e.reader.serialize(Fe(r)),destroyed:e.reader.serialize(Fe(i))}})}return n},_promise:function(e,t,r){var n=this;return v.Deferred(function(i){n.trigger(q,{type:r});n.trigger(O);n.transport[r].call(n.transport,p({success:function(e){i.resolve({response:e,models:t,type:r})},error:function(e,t,r){i.reject(e);n.error(e,t,r)}},e))}).promise()},_send:function(e,t){var r=this,i,n,a=[],s=r.reader.serialize(Fe(t));if(r.options.batch){if(t.length)a.push(r._promise({data:{models:s}},t,e))}else for(i=0,n=t.length;i<n;i++)a.push(r._promise({data:s[i]},[t[i]],e));return a},read:function(e){var t=this,r=t._params(e);var i=v.Deferred();t._queueRequest(r,function(){var e=t.trigger(q,{type:"read"});if(!e){t.trigger(O);t._ranges=[];t.trigger("reset");if(t.online())t.transport.read({data:r,success:function(e){t._ranges=[];t.success(e,r);i.resolve()},error:function(){var e=U.call(arguments);t.error.apply(t,e);i.reject.apply(i,e)}});else if(t.options.offlineStorage!=null){t.success(t.offlineData(),r);i.resolve()}}else{t._dequeueRequest();i.resolve(e)}});return i.promise()},_readAggregates:function(e){return this.reader.aggregates(e)},success:function(e){var t=this,l=t.options,r,i;t.trigger(D,{response:e,type:"read"});if(t.online()){e=t.reader.parse(e);if(t._handleCustomErrors(e)){t._dequeueRequest();return}t._total=t.reader.total(e);if(t._isServerGroupPaged())t._serverGroupsTotal=t._total;if(t._pageSize>t._total){t._pageSize=t._total;if(t.options.pageSize&&t.options.pageSize>t._pageSize)t._pageSize=t.options.pageSize}if(t._aggregate&&l.serverAggregates)t._aggregateResult=t._readAggregates(e);e=t._readData(e);t._destroyed=[]}else{e=t._readData(e);r=[];var n={};var a=t.reader.model;var d=a?a.idField:"id";var s;for(s=0;s<this._destroyed.length;s++){var g=this._destroyed[s][d];n[g]=g}for(s=0;s<e.length;s++){var o=e[s];var h=o.__state__;if(h=="destroy"){if(!n[o[d]])this._pushInDestroyed(this._createNewModel(o))}else r.push(o)}e=r;t._total=e.length}t._pristineTotal=t._total;i=t._skip&&t._data.length&&t._skip<t._data.length;if(t.options.endless){if(i)t._pristineData.splice(t._skip,t._pristineData.length);r=e.slice(0);for(var u=0;u<r.length;u++)t._pristineData.push(r[u])}else t._pristineData=e.slice(0);t._detachObservableParents();if(t.options.endless){t._data.unbind(c,t._changeHandler);if(t._isServerGrouped()&&t._data[t._data.length-1].value===e[0].value){Ae(t._data[t._data.length-1],e[0]);e.shift()}e=t._observe(e);if(i)t._data.splice(t._skip,t._data.length);for(var f=0;f<e.length;f++)t._data.push(e[f]);t._data.bind(c,t._changeHandler)}else t._data=t._observe(e);t._markOfflineUpdatesAsDirty();t._storeData();t._addRange(t._data);t._process(t._data);t._dequeueRequest()},_detachObservableParents:function(){if(this._data&&this._shouldDetachObservableParents)for(var e=0;e<this._data.length;e++)if(this._data[e].parent)this._data[e].parent=P},_storeData:function(e){var a=this._isServerGrouped();var s=this.reader.model;function o(e){var t=[];for(var r=0;r<e.length;r++){var i=e.at(r);var n=i.toJSON();if(a&&i.items)n.items=o(i.items);else{n.uid=i.uid;if(s)if(i.isNew())n.__state__="create";else if(i.dirty)n.__state__="update"}t.push(n)}return t}if(this.options.offlineStorage!=null){var t=o(this._data);var r=[];for(var i=0;i<this._destroyed.length;i++){var n=this._destroyed[i].toJSON();n.__state__="destroy";r.push(n)}this.offlineData(t.concat(r));if(e)this._pristineData=this.reader.reader?this.reader.reader._wrapDataAccessBase(t):this.reader._wrapDataAccessBase(t)}},_addRange:function(e,t){var r=this,i=typeof t!=="undefined"?t:r._skip||0,n,a={data:e,pristineData:e.toJSON(),timestamp:r._timeStamp()};if(this._isGroupPaged()){n=i+e.length;a.outerStart=i;a.outerEnd=n}else n=i+r._flatData(e,true).length;a.start=i;a.end=n;r._ranges.push(a);r._sortRanges();if(r._isGroupPaged()){if(!r._groupsFlat)r._groupsFlat=[];r._appendToGroupsFlat(a.data);r._updateOuterRangesLength()}},_appendToGroupsFlat:function(e){var t=e.length;for(var r=0;r<t;r++)this._groupsFlat.push(e[r])},_getGroupByUid:function(e){var t=this._groupsFlat.length;var r;for(var i=0;i<t;i++){r=this._groupsFlat[i];if(r.uid===e)return r}},_sortRanges:function(){this._ranges.sort(function(e,t){return e.start-t.start})},error:function(e,t,r){this._dequeueRequest();this.trigger(D,{});this.trigger(C,{xhr:e,status:t,errorThrown:r})},_params:function(e){var t=this,r=p({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);if(!t.options.serverPaging){delete r.take;delete r.skip;delete r.page;delete r.pageSize}if(!t.options.serverGrouping)delete r.group;else if(t.reader.model&&r.group)r.group=Ke(r.group,t.reader.model);if(!t.options.serverFiltering)delete r.filter;else if(t.reader.model&&r.filter)r.filter=$e(r.filter,t.reader.model);if(!t.options.serverSorting)delete r.sort;else if(t.reader.model&&r.sort)r.sort=Ke(r.sort,t.reader.model);if(!t.options.serverAggregates)delete r.aggregate;else if(t.reader.model&&r.aggregate)r.aggregate=Ke(r.aggregate,t.reader.model);if(!t.options.groupPaging)delete r.groupPaging;return r},_queueRequest:function(e,t){var r=this;if(!r._requestInProgress){r._requestInProgress=true;r._pending=F;t()}else r._pending={callback:t.bind(r),options:e}},_dequeueRequest:function(){var e=this;e._requestInProgress=false;if(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){this.trigger(C,{xhr:null,status:"customerror",errorThrown:"custom error",errors:t});return true}}return false},_shouldWrap:function(e){var t=this.reader.model;if(t&&e.length)return!(e[0]instanceof t);return false},_observe:function(e){var t=this,r=t.reader.model;t._shouldDetachObservableParents=true;if(e instanceof $){t._shouldDetachObservableParents=false;if(t._shouldWrap(e)){e.type=t.reader.model;e.wrapAll(e,e)}}else{var i=t.pageSize()&&!t.options.serverPaging?K:$;e=new i(e,t.reader.model);e.parent=function(){return t.parent()}}if(t._isServerGrouped())Le(e,r);if(t._changeHandler&&t._data&&t._data instanceof $&&!(t.options.useRanges&&t.options.serverPaging))t._data.unbind(c,t._changeHandler);else t._changeHandler=t._change.bind(t);return e.bind(c,t._changeHandler)},_updateTotalForAction:function(e,t){var r=this;var i=parseInt(r._total,10);if(!xe(r._total))i=parseInt(r._pristineTotal,10);if(e==="add")i+=t.length;else if(e==="remove")i-=t.length;else if(e!=="itemchange"&&e!=="sync"&&!r.options.serverPaging)i=r._pristineTotal;else if(e==="sync")i=r._pristineTotal=parseInt(r._total,10);r._total=i},_pushInDestroyed:function(t){var e=this._destroyed.find(function(e){return e.uid===t.uid});if(!e)this._destroyed.push(t)},_change:function(t){var r=this,e,i,n=t?t.action:"";if(n==="remove")for(e=0,i=t.items.length;e<i;e++)if(!t.items[e].isNew||!t.items[e].isNew())r._pushInDestroyed(t.items[e]);if(r.options.autoSync&&(n==="add"||n==="remove"||n==="itemchange")){var a=function(e){if(e.action==="sync"){r.unbind("change",a);r._updateTotalForAction(n,t.items)}};r.first("change",a);r.sync()}else{r._updateTotalForAction(n,t?t.items:[]);r._process(r._data,t)}},_calculateAggregates:function(e,t){t=t||{};var r=new S(e),i=t.aggregate,n=t.filter;if(n)r=r.filter(n);return r.aggregate(i)},_process:function(e,t){var r=this,i={},n;if(r.options.serverPaging!==true){i.skip=r._skip;i.take=r._take||r._pageSize;if(i.skip===F&&r._page!==F&&r._pageSize!==F)i.skip=(r._page-1)*r._pageSize;if(r.options.useRanges)i.skip=r.currentRangeStart()}if(r.options.serverSorting!==true)i.sort=r._sort;if(r.options.serverFiltering!==true)i.filter=r._filter;if(r.options.serverGrouping!==true)i.group=r._group;if(r.options.serverAggregates!==true)i.aggregate=r._aggregate;if(r.options.serverGrouping)r._clearEmptyGroups(e);i.groupPaging=r._groupPaging;if(r._isGroupPaged()&&t&&(t.action==="page"||t.action==="expandGroup"||t.action==="collapseGroup"))n=r._queryProcess(e,{aggregate:r._aggregate});else n=r._queryProcess(e,i);if(r._filter&&t&&t.action==="add"){var a=t.items[0],s=n.data;var o=s.find(function(e){return e.uid===a.uid});if(!o){n.data.splice(a.index,0,a);n.total++}}if(r.options.serverAggregates!==true)r._aggregateResult=r._calculateAggregates(n.dataToAggregate||e,i);r._setView(n,i,t);r._setFilterTotal(n.total,false);t=t||{};t.items=t.items||r._view;r.trigger(c,t)},_setView:function(e,t,r){var i=this;if(i._isGroupPaged()&&!i._isServerGrouped())if(r&&(r.action==="page"||r.action==="expandGroup"||r.action==="collapseGroup")){i.view(e.data);i._updateOuterRangesLength()}else{i._ranges=[];var n=new S(e.data);i._addRange(i._observe(e.data));if(t.skip+t.take>e.data.length)t.skip=e.data.length-t.take;i.view(n.range(t.skip,t.take).toArray())}else i.view(e.data)},_clearEmptyGroups:function(e){for(var t=e.length-1;t>=0;t--){var r=e[t];if(r.hasSubgroups)this._clearEmptyGroups(r.items);if(r.items&&!r.items.length&&!r.itemCount)B.apply(r.parent(),[t,1])}},_queryProcess:function(e,t){if(this.options.inPlaceSort)return S.process(e,t,this.options.inPlaceSort);else return S.process(e,t)},_mergeState:function(e){var t=this;if(e!==F){t._pageSize=e.pageSize;t._page=e.page;t._sort=e.sort;t._filter=e.filter;t._group=e.group;t._aggregate=e.aggregate;t._skip=t._currentRangeStart=e.skip;t._take=e.take;if(t._skip===F){t._skip=t._currentRangeStart=t.skip();e.skip=t.skip()}if(t._take===F&&t._pageSize!==F){t._take=t._pageSize;e.take=t._take}if(t.options.virtual)e.virtual=t.options.virtual;if(e.sort){t._sort=e.sort=ue(e.sort);t._sortFields=fe(e.sort)}if(e.filter)t._filter=e.filter=t.options.accentFoldingFiltering&&!v.isEmptyObject(e.filter)?v.extend({},ge(e.filter),{accentFoldingFiltering:t.options.accentFoldingFiltering}):ge(e.filter);if(e.group)t._group=e.group=me(e.group);if(e.aggregate)t._aggregate=e.aggregate=ve(e.aggregate)}return e},query:function(e){var t;var r=this.options.serverSorting||this.options.serverPaging||this.options.serverFiltering||this.options.serverGrouping||this.options.serverAggregates;if(r||(this._data===F||this._data.length===0)&&!this._destroyed.length){if(this.options.endless){var i=e.pageSize-this.pageSize();if(i>0){i=this.pageSize();e.page=e.pageSize/i;e.pageSize=i}else{e.page=1;this.options.endless=false}}return this.read(this._mergeState(e))}var n=this.trigger(q,{type:"read"});if(!n){this.trigger(O);if(e)e.groupPaging=this._groupPaging;t=this._queryProcess(this._data,this._mergeState(e));this._setFilterTotal(t.total,true);this._aggregateResult=this._calculateAggregates(t.dataToAggregate||this._data,e);this._setView(t,e);this.trigger(D,{type:"read"});this.trigger(c,{items:t.data,action:e?e.action:""})}return v.Deferred().resolve(n).promise()},_hasExpandedSubGroups:function(e){var t=false;var r=e.items?e.items.length:0;if(!e.hasSubgroups)return false;for(var i=0;i<r;i++)if(this._groupsState[e.items[i].uid]){t=true;break}return t},_findGroupedRange:function(e,t,r,i,l){var n=this;var d=e.length;var a;var s;var g;var o;var h;for(var u=0;u<d;u++){a=e[u];if(r.taken>=r.take)break;if(!n._getGroupByUid(a.uid))n._groupsFlat.push(a);if(n._groupsState[a.uid]){if(n._isServerGroupPaged()){if(n._fetchGroupItems(a,r,i,l)){n._fetchingGroupItems=true;return}o=(a.subgroupCount||a.itemCount)+1;h=r.skip-r.skipped;if(!n._hasExpandedSubGroups(a)&&h>o){r.skipped+=o;continue}}if(r.includeParents&&r.skipped<r.skip){r.skipped++;a.excludeHeader=true}else if(r.includeParents){r.taken++;a.excludeHeader=false}if(a.hasSubgroups&&a.items&&a.items.length){a.currentItems=[];if(!i)i=[];i.push(a);n._findGroupedRange(a.items,a.currentItems,r,i,l);i.pop();if(a.currentItems.length||r.taken>0)t.push(a);else a.excludeHeader=false}else{s=[];g=a.items.length;for(var f=0;f<g;f++){if(r.skipped<r.skip){r.skipped++;continue}if(r.taken>=r.take)break;s.push(a.items[f]);r.taken++}if(s.length||r.taken>0){a.currentItems=s;t