core-cde/dist/core-cde/data/src/PageInfo.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PageInfo = void 0;
const Events_module_1 = require("../../events/Events.module");
class PageInfo {
    /**
     * Конструктор. Не предназначен для использования внешним кодом.
     * Следует использовать PageInfo.createNew()
     */
    constructor() {
        this._pageIndex = 0;
        this._pageSize = -1;
        this._onPropertyChanged = new Events_module_1.EventDispatcher();
    }
    static createNew(pageIndex, pageSize) {
        const res = new PageInfo();
        res._pageIndex = pageIndex;
        res._pageSize = pageSize;
        return res;
    }
    static fromJSON(json) {
        if (typeof json === 'string') {
            return PageInfo.fromJSON(JSON.parse(json));
        }
        else {
            const pi = new PageInfo();
            return Object.assign(pi, json, {});
        }
    }
    toJSON() {
        return Object.assign({}, null, {
            pageIndex: this.pageIndex,
            pageSize: this.pageSize
        });
    }
    get onPropertyChanged() {
        return this._onPropertyChanged;
    }
    get pageIndex() {
        return this._pageIndex;
    }
    set pageIndex(value) {
        if (this._pageIndex !== value) {
            this._pageIndex = value;
            this.raisePropertyChanged('pageIndex');
        }
    }
    get pageSize() {
        return this._pageSize;
    }
    set pageSize(value) {
        if (this._pageSize !== value) {
            this._pageSize = value;
            this.raisePropertyChanged('pageSize');
        }
    }
    raisePropertyChanged(propertyName) {
        this.onPropertyChanged.dispatch(new Events_module_1.PropertyChangedArg(this, propertyName));
    }
}
exports.PageInfo = PageInfo;
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