igniteui-webcomponents-datasources/esm2015/lib/RestVirtualDataSourcePage.js

Reference custom data providers for the Ignite UI Web Components data source.

import { DataSourceSchemaPropertyType } from "igniteui-webcomponents-core";
export class RestVirtualDataSourcePage {
    constructor(sourceData_, schema, groupInformation, summaryInformation, pageIndex) {
        this._actualData = null;
        this._schema = null;
        this._pageIndex = 0;
        this._groupInformation = null;
        this._summaryInformation = null;
        if (sourceData_ == null) {
            this._actualData = null;
        }
        else {
            let count = (sourceData_.items.length);
            this._actualData = [];
            let dateProps = new Set();
            for (let i = 0; i < schema.propertyNames.length; i++) {
                if (schema.propertyTypes[i] == DataSourceSchemaPropertyType.DateTimeValue || schema.propertyTypes[i] == DataSourceSchemaPropertyType.DateTimeOffsetValue) {
                    dateProps.add(schema.propertyNames[i]);
                }
            }
            let value_;
            for (let i_ = 0; i_ < count; i_++) {
                let currItem_ = sourceData_.items[i_];
                let dict = new Map();
                let properties = Array.from(Object.keys(currItem_));
                let values = (properties.map((k) => currItem_[k]));
                for (let i1 = 0; i1 < properties.length; i1++) {
                    value_ = values[i1];
                    if (dateProps.has(properties[i1])) {
                        value_ = new Date(value_);
                    }
                    dict.set(properties[i1], value_);
                }
                this._actualData[i_] = dict;
            }
        }
        this._schema = schema;
        this._groupInformation = groupInformation;
        this._summaryInformation = summaryInformation;
        this._pageIndex = pageIndex;
    }
    count() {
        return this._actualData.length;
    }
    getItemAtIndex(index) {
        return this._actualData[index];
    }
    getItemValueAtIndex(index, valueName) {
        let item = this._actualData[index];
        if (!item.has(valueName)) {
            return null;
        }
        return item.get(valueName);
    }
    pageIndex() {
        return this._pageIndex;
    }
    schema() {
        return this._schema;
    }
    getGroupInformation() {
        return this._groupInformation;
    }
    getSummaryInformation() {
        return this._summaryInformation;
    }
}