/*
THIS INFRAGISTICS ULTIMATE SOFTWARE LICENSE  AGREEMENT ("AGREEMENT") LOCATED HERE:
https://www.infragistics.com/legal/license/igultimate-la
https://www.infragistics.com/legal/license/igultimate-eula
GOVERNS THE LICENSING, INSTALLATION AND USE OF INFRAGISTICS SOFTWARE. BY DOWNLOADING AND/OR INSTALLING AND USING INFRAGISTICS SOFTWARE:  you are indicating that you have read and understand this Agreement, and agree to be legally bound by it on behalf of the yourself and your company.
*/
import { BaseDataSource } from "./BaseDataSource";
import { IPageCandidatesSink_$type } from "./IPageCandidatesSink";
import { PagePredictionEngine } from "./PagePredictionEngine";
import { LRUCache$2 } from "./LRUCache$2";
import { Base, runOn, Array_$type, Number_$type, typeCast, fromEnum, typeGetValue, String_$type, Boolean_$type, markType } from "./type";
import { IDataSourcePage_$type } from "./IDataSourcePage";
import { Dictionary$2 } from "./Dictionary$2";
import { SectionMap } from "./SectionMap";
import { DataSourceExecutionContext } from "./DataSourceExecutionContext";
import { SectionData } from "./SectionData";
import { List$1 } from "./List$1";
import { DataSourceSpecialRow } from "./DataSourceSpecialRow";
import { TransactionState } from "./TransactionState";
import { DataSourcePropertiesComparer } from "./DataSourcePropertiesComparer";
import { TransactionType } from "./TransactionType";
import { DataSourceBatchStartedEventArgs } from "./DataSourceBatchStartedEventArgs";
import { DataSourceBatchCompletedEventArgs } from "./DataSourceBatchCompletedEventArgs";
import { truncate, intDivide } from "./number";
/**
 * @hidden
 */
export class VirtualDataSource extends BaseDataSource {
    constructor() {
        super();
        this.cs = null;
        this.db = false;
        this.dy = 0;
        this.c5 = null;
        this.cw = null;
        this.cv = null;
        this.dx = 50;
        this.dw = 200;
        this.actualPageSizePopulated = false;
        this.dh = 50;
        this.c9 = false;
        this.c0 = null;
        this.cq = null;
        this.cr = null;
        this.c8 = new LRUCache$2(Base.$, IDataSourcePage_$type, 0, 200);
        this.df = new Dictionary$2(Base.$, Array_$type, 0);
        this.dg = new Dictionary$2(Number_$type, Number_$type, 0);
        this.da = false;
        this.co = null;
        this.ct = null;
        this.c7 = new SectionMap();
        this.cp = null;
        this.dq = -1;
        this.di = -1;
        this.ds = -1;
        this.dk = -1;
        this.dt = -1;
        this.dl = -1;
        this.dr = -1;
        this.dj = -1;
        this.dv = -1;
        this.du = -1;
        this.dn = -1;
        this.dm = -1;
        this.dp = -1;
        this.de = new Dictionary$2(String_$type, Boolean_$type, 0);
        this._concurrencyTag = null;
        this.batchStarted = null;
        this.batchCompleted = null;
        this.c5 = new PagePredictionEngine();
        this.c5.e = this;
        this.c5.ag = this.actualPageSize;
        this.c5.f = this.c7;
        this.executionContext = new DataSourceExecutionContext();
        this.c5.b = this.executionContext;
        this.isReadOnly = true;
    }
    get_isSectionCollapsable() {
        if (!this.isSectionContentVisible) {
            return true;
        }
        return super.get_isSectionCollapsable();
    }
    set_isSectionCollapsable(a) {
        super.set_isSectionCollapsable(a);
    }
    get_isSectionExpandedDefault() {
        if (!this.isSectionContentVisible) {
            return false;
        }
        if (this.isSectionCollapsable) {
            return super.get_isSectionExpandedDefault();
        }
        return true;
    }
    set_isSectionExpandedDefault(a) {
        super.set_isSectionExpandedDefault(a);
    }
    get_actualBaseDataProvider() {
        return this.actualDataProvider;
    }
    get actualBaseDataProvider() {
        return this.get_actualBaseDataProvider();
    }
    get dataProvider() {
        return this.cw;
    }
    set dataProvider(a) {
        let b = this.cw;
        this.cw = a;
        if (b != this.cw) {
            this.onPropertyUpdated("DataProvider", b, this.cw);
        }
    }
    get actualDataProvider() {
        if (this.cv == null) {
            this.actualDataProvider = this.resolveDataProvider();
        }
        return this.cv;
    }
    set actualDataProvider(a) {
        let b = this.cv;
        this.cv = a;
        if (b != this.cv) {
            this.onPropertyUpdated("ActualDataProvider", b, this.cv);
        }
    }
    get pageSizeRequested() {
        return this.dx;
    }
    set pageSizeRequested(a) {
        let b = this.dx;
        this.dx = a;
        if (b != this.dx) {
            this.onPropertyUpdated("PageSizeRequested", b, this.dx);
        }
    }
    resetCache() {
        if (this.c1 != null) {
            this.c1.resetCache();
        }
        this.resetCacheOverride();
    }
    resetCacheOverride() {
        this.c8.i();
    }
    get maxCachedPages() {
        return this.dw;
    }
    set maxCachedPages(a) {
        let b = this.dw;
        this.dw = a;
        if (b != this.dw) {
            this.onPropertyUpdated("MaxCachedPages", b, this.dw);
        }
    }
    get actualPageSize() {
        return this.dh;
    }
    set actualPageSize(a) {
        let b = this.dh;
        this.dh = a;
        if (b != this.dh) {
            this.onPropertyUpdated("ActualPageSize", b, this.dh);
        }
    }
    get_isSortingSupported() {
        if (this.externalDataSource != null && !this.c9) {
            this.c9 = true;
            let a = this.externalDataSource.isSortingSupportedOverride;
            this.c9 = false;
            return a;
        }
        return false;
    }
    get_isFilteringSupported() {
        if (this.externalDataSource != null && !this.c9) {
            this.c9 = true;
            let a = this.externalDataSource.isFilteringSupportedOverride;
            this.c9 = false;
            return a;
        }
        return false;
    }
    get_isGroupingSupported() {
        if (this.externalDataSource != null && !this.c9) {
            this.c9 = true;
            let a = this.externalDataSource.isGroupingSupportedOverride;
            this.c9 = false;
            return a;
        }
        return false;
    }
    get c1() {
        return this.c0;
    }
    set c1(a) {
        this.c0 = a;
        this.actualDataProvider = this.resolveDataProvider();
    }
    resolveDataProvider() {
        if (this.c1 == null) {
            return null;
        }
        return this.c1.resolveDataProvider();
    }
    propertyUpdatedOverride(a, b, c) {
        super.propertyUpdatedOverride(a, b, c);
        switch (a) {
            case "DataProvider":
                this.actualDataProvider = this.dataProvider;
                this.queueAutoRefresh();
                break;
            case "ExecutionContext":
                this.c5.b = this.executionContext;
                break;
            case "ActualDataProvider":
                this.actualDataProvider.pageSizeRequested = this.pageSizeRequested;
                this.actualDataProvider.pageLoaded = runOn(this, this.ei);
                this.actualDataProvider.batchCompleted = runOn(this, this.eh);
                this.queueAutoRefresh();
                break;
            case "PageSizeRequested":
                this.actualPageSize = this.pageSizeRequested;
                if (this.actualDataProvider != null) {
                    this.actualDataProvider.pageSizeRequested = this.pageSizeRequested;
                }
                this.queueAutoRefresh();
                break;
            case "ActualPageSize":
                this.c5.ag = this.actualPageSize;
                this.queueAutoRefresh();
                break;
            case "FirstVisibleIndexRequested":
                this.c5.aa = this.firstVisibleIndexRequested;
                break;
            case "LastVisibleIndexRequested":
                this.c5.ae = this.lastVisibleIndexRequested;
                break;
            case "ActualCount":
                if (this.actualDataProvider != null && !this.c7.q) {
                    this.c5.ab = this.actualDataProvider.actualCount;
                }
                else {
                    this.c5.ab = this.actualCount;
                }
                this.queueAutoRefresh();
                break;
            case "MaxCachedPages":
                this.c8.h = this.maxCachedPages;
                break;
        }
    }
    d1(a) {
        if (this.am && this.c7.q) {
            let b = this.c6(a);
            if (b == null) {
                b = this.c7.d();
            }
            return a - b.t;
        }
        return a;
    }
    ei(a, b, c) {
        let d = this.executionContext;
        if (d != null) {
            d.execute(() => this.eo(a, b, c));
        }
        else {
            this.eo(a, b, c);
        }
    }
    eo(a, b, c) {
        if (a == null) {
            b = this.resolveFullCount(b);
            if (this.actualCount != b) {
                this.actualCount = b;
            }
            return;
        }
        if (c != this.actualPageSize && !this.actualPageSizePopulated) {
            this.actualPageSize = c;
        }
        this.actualPageSizePopulated = true;
        let d = a.pageIndex();
        this.ej(d);
        this.c8.item(d, a);
        let e = a.schema();
        if (e != null) {
            this.actualSchema = e;
        }
        let f = a.getSummaryInformation();
        if (this.summaryDescriptions.k.count > 0 && this.ct == null && f != null) {
            this.ct = f;
            for (let g = 0; g < this.summaryDescriptions.k.count; g++) {
                this.ct[g].summaryIndex = g;
            }
            let h = SectionData.r(this.ct);
            this.dy = h.count;
        }
        let i = a.getGroupInformation();
        if (this.groupDescriptions.k.count > 0 && this.co == null && i != null) {
            this.co = i;
            this.en();
            this.db = false;
        }
        b = this.resolveFullCount(b);
        if (this.actualCount != b) {
            this.actualCount = b;
        }
        this.em(a);
    }
    resolveFullCount(a) {
        if (this.co != null) {
            return this.c7.u + this.dy;
        }
        return a + this.dy;
    }
    en() {
        let a = 0;
        let b = 0;
        let c = this.shouldEmitSectionHeaders;
        let d = this.shouldEmitSectionFooters;
        for (let e = 0; e < this.co.length; e++) {
            let f = new SectionData();
            let g = b;
            let h = this.co[e].endIndex - this.co[e].startIndex;
            f.af = a;
            f.ae = e;
            f.d = new Array(this.groupDescriptions.k.count);
            for (let i = 0; i < this.groupDescriptions.k.count; i++) {
                f.d[i] = 0;
            }
            f.ad = a + h;
            f.t = 0;
            f.e = this.co[e].groupKeyProperties;
            f.f = this.co[e].groupKeyValues;
            f.h = new Array(0);
            f.ai(this.sectionHeaderDisplayMode, this.isSectionExpandedDefault);
            this.eg(f, e == 0);
            if (d) {
                f.u = f.c.length;
            }
            let j = 0;
            f.i = new Array(this.groupDescriptions.k.count);
            if (this.summaryScope == 0 || this.summaryScope == 2) {
                if (this.co[e].summaryResults != null) {
                    f.i[this.groupDescriptions.k.count - 1] = this.co[e].summaryResults;
                    if (f.i != null) {
                        for (let k = 0; k < f.i[this.groupDescriptions.k.count - 1].length; k++) {
                            f.i[this.groupDescriptions.k.count - 1][k].summaryIndex = k;
                        }
                        j = SectionData.r(f.i[this.groupDescriptions.k.count - 1]).count;
                    }
                }
            }
            if (this.includeSummaryRowsInSection) {
                if (this.isSectionSummaryRowsAtBottom) {
                    f.ag = j;
                }
                else {
                    f.ah = j;
                    g += j;
                }
                b += j;
                f.ad += j;
            }
            if (d) {
                b++;
            }
            let l = 0;
            f.b = new Array(f.c.length);
            if (f.z > -1) {
                let m = this.c7.t._inner[f.z];
                for (let n = 0; n < m.f.length; n++) {
                    l = n;
                    if (!Base.equalsStatic(m.f[n], f.f[n])) {
                        break;
                    }
                }
            }
            for (let o = l; o < f.c.length; o++) {
                b++;
                g++;
                f.ad++;
                let p = this.ea(f, o);
                f.a[o] = p;
                f.b[o] = o - l;
                if (this.de.containsKey(p)) {
                    f.c[o] = this.de.item(p);
                }
                else {
                    f.c[o] = this.isSectionExpandedDefault;
                }
                if (!f.c[o]) {
                    let q = 0;
                    let r = f.c.length - 1 - o;
                    f.ad -= q;
                    b -= q;
                    if (d) {
                        b--;
                        f.u--;
                    }
                    o += r;
                }
            }
            f.y = f.v();
            f.t = g;
            this.c7.z(f, h + 1);
            if (!f.p) {
                let s = f.w();
                f.ad -= f.d[s] + j;
                b -= f.d[s] + j;
            }
            a = f.ad + 1;
            this.c7.t.add(f);
            f.q = this.c7.r(f);
        }
        let t = 0;
        for (let u = 0; u < this.c7.t.count; u++) {
            let v = this.c7.t._inner[u];
            if (this.shouldEmitSectionHeaders) {
                if (!v.q) {
                    let w = v.ad - v.af + 1;
                    this.c7.ae(v.ae);
                    this.c7.ab(v, -w, -w);
                    u--;
                    t++;
                    continue;
                }
            }
            if (v.z > -1) {
                v.z -= t;
            }
        }
    }
    eg(a, b) {
        if (b) {
            this.cq = new Array(this.groupDescriptions.k.count);
            for (let c = 0; c < this.cq.length; c++) {
                this.cq[c] = a;
            }
        }
        if (this.sectionHeaderDisplayMode == 1) {
            let d = false;
            let e = a.e.length;
            for (let f = 0; f < e; f++) {
                if (d) {
                    this.cq[f] = a;
                    continue;
                }
                let g = false;
                if (this.cq[f].f[f] == null) {
                    g = a.f[f] != null;
                }
                else {
                    g = !Base.equalsStatic(this.cq[f].f[f], a.f[f]);
                }
                if (g) {
                    this.cq[f] = a;
                    if (f - 1 > -1) {
                        let h = f - 1;
                        while (h >= 0 && this.cq[h].o) {
                            h = h - 1;
                        }
                        a.z = this.cq[h].ae;
                    }
                    d = true;
                }
            }
        }
        else {
            let i = false;
            for (let j = 0; j < a.e.length; j++) {
                if (this.cq[0].f[j] == null) {
                    if (this.cq[0].f[j] != a.f[j]) {
                        i = true;
                        break;
                    }
                    continue;
                }
                if (!Base.equalsStatic(this.cq[0].f[j], a.f[j])) {
                    i = true;
                    break;
                }
            }
            if (i) {
                this.cq[0] = a;
            }
        }
    }
    ef(a) {
    }
    em(a) {
        if (this.updateNotifier != null) {
            let b = a.pageIndex() * this.actualPageSize;
            if (this.actualDataProvider != null) {
                if (b > this.actualDataProvider.actualCount) {
                    return;
                }
            }
            let c = this.d0(b);
            let d = this.d0(b + a.count() - 1);
            if (c > 0 && this.getRowType(c - 1) == 1) {
                c--;
            }
            if (this.actualCount == 0 && a.count() == 0) {
                this.onClearItems();
            }
            else {
                this.updateNotifier.rangeActualized(c, d);
            }
        }
    }
    d0(a) {
        if (this.am && this.c7.q) {
            let b = this.c7.g(a);
            if (b == null) {
                b = this.c7.d();
            }
            if (!b.p) {
                return b.af;
            }
            return a + b.t;
        }
        return a;
    }
    ek(a) {
        a();
    }
    get_isVirtual() {
        return true;
    }
    isPlaceholderItem(a) {
        let b = this.cu(a);
        let c = b[0];
        if (!this.c8.d(c)) {
            if (b[1] == -1) {
                return false;
            }
            return true;
        }
        return false;
    }
    getItemAtIndex(a) {
        if (a >= this.actualCount - this.dy) {
            return this.d5(a);
        }
        let b = this.cu(a);
        let c = b[0];
        if (!this.c8.d(c)) {
            if (b[1] == -1) {
                return this.d5(a);
            }
            return null;
        }
        let d = this.c8.item(c);
        let e = b[1];
        if (e == -1) {
            return this.d5(a);
        }
        return d.getItemAtIndex(e);
    }
    d5(a) {
        if (a >= this.actualCount - this.dy) {
            let b = new DataSourceSpecialRow();
            b.rowType = 4;
            b.level = 0;
            let c = a - (this.actualCount - this.dy);
            let d = SectionData.r(this.ct);
            let e = new Array(d._inner[c].count);
            d._inner[c].values.copyTo(e, 0);
            b.summaryResults = e;
            return b;
        }
        let f = this.c6(a);
        if (f != null) {
            let g = f.j(a);
            if (g == 1 || g == 2) {
                let h = new DataSourceSpecialRow();
                h.rowType = g;
                h.summaryResults = f.i[f.i.length - 1];
                h.level = g == 1 ? f.w() + (a - f.af) : (f.u - 1) - (f.w() + (a - (f.ad - f.u + 1)));
                if (this.sectionHeaderDisplayMode == 0) {
                    for (let i = 0; i < this.groupDescriptions.k.count; i++) {
                        h.setSectionValue(this.groupDescriptions.k.item(i).propertyName, f.f[i]);
                        h.setValue(this.groupDescriptions.k.item(i).propertyName, f.f[i]);
                    }
                }
                else {
                    if (h.level >= 0 && h.level < this.groupDescriptions.k.count) {
                        h.setSectionValue(this.groupDescriptions.k.item(h.level).propertyName, f.f[h.level]);
                        h.setValue(this.groupDescriptions.k.item(h.level).propertyName, f.f[h.level]);
                    }
                }
                return h;
            }
            else if (g == 5) {
                let j = new DataSourceSpecialRow();
                j.rowType = 5;
                j.level = f.c.length;
                let k = f.x(a);
                let l = SectionData.r(f.i[f.i.length - 1]);
                let m = new Array(l._inner[k].count);
                l._inner[k].values.copyTo(m, 0);
                j.summaryResults = m;
                return j;
            }
        }
        return null;
    }
    cu(a) {
        if (this.am && this.c7.q) {
            let b = false;
            let c = this.c6(a);
            if (c == null) {
                c = this.c7.d();
                if (this.ct.length > 0 && a > c.ad) {
                    b = true;
                }
            }
            let d = c.af;
            if (this.shouldEmitSectionHeaders && a >= d && a < d + c.v()) {
                b = true;
            }
            if (a - (d + c.v() - 1) <= c.aa + c.ah) {
                b = true;
            }
            if (this.shouldEmitSectionFooters) {
                if (a <= c.ad && a >= c.ad - c.c.length - c.ag) {
                    b = true;
                }
            }
            else if (c.ag > 0) {
                if (a > c.ad - c.ag && a <= c.ad) {
                    b = true;
                }
            }
            let e = a - c.t;
            let f = truncate(Math.floor(e / this.actualPageSize));
            let g = e % this.actualPageSize;
            if (b) {
                g = -1;
            }
            let h = new Array(2);
            h[0] = f;
            h[1] = g;
            return h;
        }
        else {
            let i = truncate(Math.floor(a / this.actualPageSize));
            let j = a % this.actualPageSize;
            let k = new Array(2);
            k[0] = i;
            k[1] = j;
            return k;
        }
    }
    c6(a) {
        return this.c7.e(a);
    }
    getItemPropertyAtIndex(a, b) {
        if (a > (this.actualCount - 1) - this.dy) {
            return this.d6(a, b);
        }
        let c = this.cu(a);
        let d = c[0];
        if (!this.c8.d(d)) {
            if (c[1] == -1) {
                return this.d6(a, b);
            }
            return null;
        }
        let e = this.c8.item(d);
        let f = c[1];
        if (f == -1) {
            return this.d6(a, b);
        }
        if (this.an()) {
            let g = e.getItemAtIndex(f);
            let h = new Array(this.actualPrimaryKey.length);
            this.getPrimaryKeyValue(g, h);
            let i = this.t.g(h);
            if (i != null && i.transactionType == 1) {
                let j = i.value;
                if (j.containsKey(b)) {
                    return j.item(b);
                }
            }
        }
        return e.getItemValueAtIndex(f, b);
    }
    d6(a, b) {
        let c = this.d5(a);
        if (typeCast(DataSourceSpecialRow.$, c) !== null) {
            return c.getValue(b);
        }
        return null;
    }
    el(a) {
        if (!this.dg.containsKey(a)) {
            this.dg.addItem(a, 1);
        }
        else {
            this.dg.item(a, this.dg.item(a) + 1);
        }
    }
    ej(a) {
        if (this.dg.containsKey(a)) {
            this.dg.item(a, this.dg.item(a) - 1);
            if (this.dg.item(a) <= 0) {
                this.dg.removeItem(a);
                if (this.actualDataProvider != null) {
                    this.actualDataProvider.removePageRequest(a);
                }
            }
        }
    }
    addCandidate(a, b) {
        let c = false;
        if (!this.df.containsKey(a)) {
            let d = new List$1(Number_$type, 0);
            let e = this.transformPage(a);
            for (let f = 0; f < e.length; f++) {
                let g = e[f];
                if (!this.c8.d(g)) {
                    d.add(g);
                    this.el(g);
                    let h = this.dg.item(g);
                    if (h == 1 && this.actualDataProvider != null) {
                        this.actualDataProvider.addPageRequest(g, b);
                    }
                    c = true;
                }
            }
            if (d.count > 0) {
                this.df.addItem(a, d.toArray());
            }
        }
        return c;
    }
    removeCandidate(a) {
        if (this.df.containsKey(a)) {
            for (let b = 0; b < this.df.item(a).length; b++) {
                let c = this.df.item(a)[b];
                this.ej(c);
            }
            this.df.removeItem(a);
        }
    }
    transformPage(a) {
        let b = [a];
        if (this.am && this.c7.q) {
            let c = a * this.actualPageSize;
            let d = c + this.actualPageSize - 1;
            let e = this.c6(c);
            let f = new List$1(Number_$type, 0);
            for (let g = c; g <= d; g++) {
                if (e == null) {
                    break;
                }
                if (g > e.ad) {
                    if (e.ae < this.c7.t.count - 1) {
                        e = this.c7.t._inner[e.ae + 1];
                    }
                    else {
                        break;
                    }
                }
                if (!e.p || (g >= e.af && g <= e.af + (e.v() - 1) + e.aa)) {
                    continue;
                }
                let h = g - e.t;
                let i = intDivide(h, this.actualPageSize);
                if (!f.contains(i)) {
                    f.add(i);
                }
            }
            b = f.toArray();
        }
        return b;
    }
    getUnrealizedCount() {
        let a = this.c8.g * this.actualPageSize;
        let b = this.actualCount - a;
        return b;
    }
    onSetItemOverride(a, b, c) {
        super.onSetItemOverride(a, b, c);
        let d = this.cu(a);
        let e = d[0];
        if (this.c8.d(e)) {
            this.c8.j(e);
        }
    }
    refreshInternalOverride() {
        super.refreshInternalOverride();
        this.actualPageSizePopulated = false;
        let a = this.actualCount != 0;
        this.da = true;
        if (!this.db) {
            this.resetCache();
            if (a) {
                this.onClearItems();
            }
            this.co = null;
            this.ct = null;
            this.dy = 0;
            this.c7.v();
        }
        else {
            this.db = false;
            if (a) {
                this.onClearItems();
            }
        }
        this.ep();
        this.c5.au();
        this.da = false;
    }
    ep() {
        if (this.actualDataProvider != null) {
            for (let a of fromEnum(this.df.values)) {
                for (let c = 0; c < a.length; c++) {
                    let b = a[c];
                    this.actualDataProvider.addPageRequest(b, 1);
                }
            }
        }
    }
    onClearItemsOverride() {
        super.onClearItemsOverride();
        if (!this.da) {
            this.queueAutoRefresh();
        }
    }
    onInsertItemOverride(a, b) {
        super.onInsertItemOverride(a, b);
        this.queueAutoRefresh();
    }
    onRemoveItemOverride(a, b) {
        super.onRemoveItemOverride(a, b);
        this.queueAutoRefresh();
    }
    get_isItemIndexLookupSupported() {
        return true;
    }
    get_isKeyIndexLookupSupported() {
        return true;
    }
    indexOfItem(a) {
        let b = this.c8.b;
        let c = b.o;
        let d = b.q;
        let e = d.count;
        let f = b.p;
        for (let g = 0; g < e; g++) {
            if (f._inner[g]) {
                continue;
            }
            let h = d._inner[g].b;
            let i = h.count();
            for (let j = 0; j < i; j++) {
                if (this.dd(h.getItemAtIndex(j), a)) {
                    let k = typeGetValue(c._inner[g]);
                    let l = k * this.actualPageSize;
                    return l + j;
                }
            }
        }
        if (this.actualDataProvider != null && this.actualDataProvider.isItemIndexLookupSupported) {
            return this.actualDataProvider.indexOfItem(a);
        }
        return -1;
    }
    dd(a, b) {
        if (a == null && b == null) {
            return true;
        }
        if (a == null || b == null) {
            return false;
        }
        return Base.equalsStatic(a, b);
    }
    indexOfKey(a) {
        let b = this.actualPrimaryKey;
        if (b == null || b.length < 1 || this.actualBaseDataProvider == null) {
            return -1;
        }
        this.ensureComparables(this.actualSchema);
        let c = this.c4();
        if (this.am && this.shouldEmitSectionHeaders && !this.isSectionContentVisible && this.isSectionHeaderNormalRow) {
            if (this.c7.t.count > 0) {
                for (let d = 0; d < this.c7.t.count; d++) {
                    let e = this.c7.t._inner[d];
                    let f = new DataSourceSpecialRow();
                    for (let g = 0; g < e.e.length; g++) {
                        let h = e.e[g];
                        let i = e.f[g];
                        f.setSectionValue(h, i);
                    }
                    if (c.i(f, a) == 0) {
                        return d;
                    }
                }
            }
        }
        let j = this.c8.b;
        let k = j.o;
        let l = j.q;
        let m = l.count;
        let n = j.p;
        for (let o = 0; o < m; o++) {
            if (n._inner[o]) {
                continue;
            }
            let p = l._inner[o].b;
            let q = p.count();
            for (let r = 0; r < q; r++) {
                if (c.i(p.getItemAtIndex(r), a) == 0) {
                    let s = typeGetValue(k._inner[o]);
                    let t = s * this.actualPageSize;
                    return t + r;
                }
            }
        }
        if (this.actualDataProvider != null && this.actualDataProvider.isKeyIndexLookupSupported) {
            return this.actualDataProvider.indexOfKey(a);
        }
        return -1;
    }
    c4() {
        let a = new Array(this.actualPrimaryKey.length);
        for (let b = 0; b < a.length; b++) {
            a[b] = 0;
        }
        return new DataSourcePropertiesComparer(this.actualPrimaryKey, a, this.cs, this);
    }
    getStickyRowPriority(a) {
        let b = this.getRowType(a);
        switch (b) {
            case 1: return 100 - this.getRowLevel(a);
            case 2: return 99 - this.getRowLevel(a);
            case 3:
            case 5: return 2;
            case 4: return 3;
        }
        return 1;
    }
    unpinRow(a) {
        super.unpinRow(a);
    }
    pinRow(a) {
        super.pinRow(a);
    }
    isRowPinned(a) {
        return super.isRowPinned(a);
    }
    getStickyRowsInRange(a, b) {
        if ((this.groupDescriptions == null || this.groupDescriptions.k.count == 0) && (this.summaryDescriptions == null || this.summaryDescriptions.k.count == 0)) {
            return null;
        }
        let c = this.c6(a);
        let d = this.c6(b);
        if (this.c7.t.count > 0) {
            if (this.c7.t.count == 1) {
                c = this.c7.t._inner[0];
                d = this.c7.t._inner[0];
            }
            else {
                c = this.c7.e(a);
                if (c != null) {
                    while (c.z != -1) {
                        c = this.c7.t._inner[c.z];
                    }
                }
                d = this.c7.e(b);
                if (b >= this.actualCount - this.dy) {
                    d = this.c7.d();
                }
            }
        }
        else if (this.dy > 0) {
            let e = new List$1(Number_$type, 0);
            for (let f = this.actualCount - this.dy; f < this.actualCount; f++) {
                e.add(f);
            }
            return e.toArray();
        }
        if (c == null || d == null) {
            return null;
        }
        if (c.ae == this.dq && c.aa == this.ds && c.af == this.dt && c.ad == this.dr && c.ah == this.dv && c.ag == this.du && d.ae == this.di && d.aa == this.dk && d.af == this.dl && d.ad == this.dj && d.ah == this.dn && d.ag == this.dm && this.dy == this.dp) {
            return this.cp;
        }
        this.dq = c.ae;
        this.di = d.ae;
        this.ds = c.aa;
        this.dk = d.aa;
        this.dt = c.af;
        this.dl = d.af;
        this.dr = c.ad;
        this.dj = d.ad;
        this.dn = d.ah;
        this.dm = d.ag;
        this.dv = c.ah;
        this.du = c.ag;
        this.dp = this.dy;
        let g = new List$1(Number_$type, 0);
        for (let h = c.ae; h <= d.ae; h++) {
            let i = this.c7.t._inner[h];
            let j = i.c.length;
            let k = i.v();
            if (this.shouldEmitSectionHeaders && this.am) {
                for (let l = 0; l < i.c.length; l++) {
                    if (i.a[l] != null) {
                        let m = i.af + i.b[l];
                        g.add(m);
                    }
                    if (!i.c[l]) {
                        break;
                    }
                }
            }
            if (i.p) {
                for (let n = 0; n < i.ah; n++) {
                    g.add(i.af + n + k);
                }
                if (this.shouldEmitShiftedRows) {
                    for (let o = 0; o < i.aa; o++) {
                        g.add(i.af + o + j);
                    }
                }
                if (this.summaryScope == 0 || this.summaryScope == 2) {
                    if (this.includeSummaryRowsInSection && this.isSectionSummaryRowsAtBottom) {
                        for (let p = i.ag - 1; p >= 0; p--) {
                            if (this.shouldEmitSectionFooters) {
                                g.add(i.ad - k - p);
                            }
                            else {
                                g.add(i.ad - p);
                            }
                        }
                    }
                }
            }
            if (this.shouldEmitSectionFooters && this.am) {
                for (let q = i.c.length - 1; q >= 0; q--) {
                    if (!i.c[q]) {
                        break;
                    }
                    g.add(i.ad - q);
                }
            }
        }
        for (let r = this.actualCount - this.dy; r < this.actualCount; r++) {
            g.add(r);
        }
        this.cp = g.toArray();
        return this.cp;
    }
    isExclusivelySticky(a) {
        let b = this.getRowType(a);
        return b == 1 || b == 2 || b == 4 || (this.isSectionSummaryRowsAtBottom && b == 5);
    }
    getRowType(a) {
        if (a < 0) {
            return 0;
        }
        let b = this.getItemAtIndex(a);
        let item_ = b;
        if ((item_ != null && item_.$$isSpecialRow !== undefined)) {
            let c = b.rowType;
            if (this.isSectionHeaderNormalRow && c == 1) {
                return 0;
            }
            return c;
        }
        return 0;
    }
    getIsRowExpandedAtIndex(a) {
        let b = this.c7.e(a);
        if (b == null) {
            b = this.c7.d();
        }
        for (let c = 0; c < b.a.length; c++) {
            if (b.a[c] != null) {
                if (a == b.af + b.b[c]) {
                    return b.c[c];
                }
            }
        }
        return super.getIsRowExpandedAtIndex(a);
    }
    setIsRowExpandedAtIndex(a, b) {
        let c = this.c7.e(a);
        if (c == null) {
            c = this.c7.d();
        }
        for (let d = 0; d < c.a.length; d++) {
            if (c.a[d] != null) {
                if (a == c.af + c.b[d]) {
                    let e = false;
                    let f = c.a[d];
                    if (this.de.containsKey(f) && this.de.item(f) != b) {
                        let g = this.de.item(f);
                        if (b == this.isSectionExpandedDefault) {
                            this.de.removeItem(f);
                        }
                        else {
                            this.de.item(f, b);
                        }
                        e = true;
                        this.onRowExpansionChanged(a, g, b);
                    }
                    else if (b != this.isSectionExpandedDefault) {
                        this.de.addItem(f, b);
                        e = true;
                        this.onRowExpansionChanged(a, this.isSectionExpandedDefault, b);
                    }
                    if (e) {
                        this.c7.v();
                        this.en();
                        this.db = true;
                        if (this.actualCount != this.c7.u) {
                            this.actualCount = this.c7.u + this.dy;
                        }
                        else {
                            this.queueAutoRefresh();
                        }
                    }
                    break;
                }
            }
        }
    }
    getRowLevel(a) {
        if (a < 0) {
            return 0;
        }
        let b = this.getItemAtIndex(a);
        let item_ = b;
        if ((item_ != null && item_.$$isSpecialRow !== undefined)) {
            return b.level;
        }
        if (this.isGroupingSupported) {
            if (this.sectionHeaderDisplayMode == 1) {
                return this.groupDescriptions.k.count;
            }
            else if (this.groupDescriptions.k.count > 0) {
                return 1;
            }
        }
        return 0;
    }
    getRootSummaryRowCount() {
        return this.dy;
    }
    d9(a) {
        let b = "";
        for (let c = 0; c < a.e.length; c++) {
            b += a.e[c] + ":" + a.f[c];
        }
        return b;
    }
    ea(a, b) {
        if (this.sectionHeaderDisplayMode == 0) {
            return this.d9(a);
        }
        let c = "";
        for (let d = 0; d < a.e.length; d++) {
            c += a.e[d] + ":" + a.f[d] + ":";
        }
        c += b;
        return c;
    }
    getRootSummaryResults() {
        return this.ct;
    }
    getSectionSummaryResults(a) {
        if (this.c7.t.count > 0 && a >= 0 && a < this.c7.t.count) {
            return this.c7.t._inner[a].i;
        }
        return null;
    }
    clone() {
        return null;
    }
    cloneProperties(a) {
        super.cloneProperties(a);
        let b = typeCast(VirtualDataSource.$, a);
        if (b != null) {
            b.pageSizeRequested = this.pageSizeRequested;
            b.maxCachedPages = this.maxCachedPages;
        }
    }
    get concurrencyTag() {
        return this._concurrencyTag;
    }
    set concurrencyTag(a) {
        this._concurrencyTag = a;
    }
    get_isBatchingEnabled() {
        return true;
    }
    set_isBatchingEnabled(a) {
        super.set_isBatchingEnabled(a);
    }
    updatePropertyAtKey(a, b, c, d = false) {
        let e = super.updatePropertyAtKey(a, b, c);
        if (this.concurrencyTag != null && this.an()) {
            let f = this.indexOfKey(a);
            if (f > -1) {
                let g = this.getItemAtIndex(f);
                let h = this.actualDataProvider.getItemValue(g, this.concurrencyTag);
                if (h != null) {
                    let i = this.t.g(a);
                    i.version = h;
                }
            }
        }
        return e;
    }
    removeItemByKey(a) {
        super.removeItemByKey(a);
        if (this.concurrencyTag != null && this.an()) {
            let b = this.indexOfKey(a);
            if (b > -1) {
                let c = this.getItemAtIndex(b);
                let d = this.actualDataProvider.getItemValue(c, this.concurrencyTag);
                if (d != null) {
                    let e = this.t.g(a);
                    e.version = d;
                }
            }
        }
    }
    ch(a, b) {
        if (a == 5) {
            let c = b;
            let d = c.a;
            let e = new List$1(TransactionState.$, 0);
            for (let f = 0; f < d.length; f++) {
                let g = d[f].transactionType;
                let h = null;
                let i = null;
                if (g == TransactionType.Delete || g == 1) {
                    let j = new Dictionary$2(String_$type, Base.$, 0);
                    let k = d[f].id;
                    for (let l = 0; l < this.actualPrimaryKey.length; l++) {
                        j.addItem(this.actualPrimaryKey[l], k[l]);
                    }
                    h = j;
                }
                if (g == 0) {
                    let m = new Dictionary$2(String_$type, Base.$, 0);
                    let n = d[f].id[0];
                    for (let o = 0; o < this.actualSchema.propertyNames.length; o++) {
                        let p = this.actualSchema.propertyNames[o];
                        m.addItem(p, this.actualDataProvider.getItemValue(n, p));
                    }
                    i = m;
                }
                else if (g == 1) {
                    i = d[f].value;
                }
                if (h != null) {
                    let q = {};
                    let r = h;
                    for (let s of fromEnum(r)) {
                        q[s.key] = s.value;
                    }
                    h = q;
                }
                if (i != null) {
                    let t = {};
                    let u = i;
                    for (let v of fromEnum(u)) {
                        t[v.key] = v.value;
                    }
                    i = t;
                }
                e.add(((() => {
                    let $ret = new TransactionState(h, g, i);
                    $ret.version = d[f].version;
                    return $ret;
                })()));
            }
            let w = e.toArray();
            if (this.batchStarted != null) {
                this.batchStarted(this, new DataSourceBatchStartedEventArgs(w));
            }
            this.actualDataProvider.createBatchRequest(w);
        }
    }
    eh(a, b, c) {
        if (b) {
            this.queueAutoRefresh();
        }
        if (this.batchCompleted != null) {
            this.batchCompleted(this, new DataSourceBatchCompletedEventArgs(a, c));
        }
    }
}
VirtualDataSource.$t = markType(VirtualDataSource, 'VirtualDataSource', BaseDataSource.$, [IPageCandidatesSink_$type]);
//# sourceMappingURL=VirtualDataSource.js.map