@true-directive/base/es/src/data-transforms/filter.pipe.js

The set of base classes for the TrueDirective Grid

/**
 * Copyright (c) 2018-2019 Aleksey Melnikov, True Directive Company.
 * @link https://truedirective.com/
 * @license MIT
*/
import { ColumnType } from '../classes/enums';
import { FilterOperator } from '../classes/filter.class';
var FilterPipe = /** @class */ (function () {
    function FilterPipe() {
        this._searchStringApplicableForNumbers = false;
        this._searchStringApplicableForDates = false;
    }
    FilterPipe.prototype.isEmpty = function (v) {
        return v === null || v === undefined || v === '';
    };
    FilterPipe.prototype.match = function (row, columns, filters, searchString, valueFormatter) {
        var _this = this;
        if (valueFormatter === void 0) { valueFormatter = null; }
        var res = true;
        if (searchString) {
            res = false;
            columns.some(function (c) {
                var v = row[c.fieldName];
                if (c.type === ColumnType.STRING && v && v.toLowerCase().indexOf(searchString) >= 0) {
                    res = true;
                    return true;
                }
                if (c.type === ColumnType.REFERENCE && v && v.toLowerCase().indexOf(searchString) >= 0) {
                    res = true;
                    return true;
                }
                if (c.type === ColumnType.UNSAFE_HTML || c.type === ColumnType.HTML) {
                    if (c.displayField !== '') {
                        if (v && v.toLowerCase().indexOf(searchString) >= 0) {
                            res = true;
                            return true;
                        }
                    }
                }
                if (c.type === ColumnType.DATETIME && _this._searchStringApplicableForDates) {
                    if (valueFormatter !== null) {
                        var vs = valueFormatter.displayedValue(c, v, row) + '';
                        if (vs && vs.toLowerCase().indexOf(searchString) >= 0) {
                            res = true;
                            return true;
                        }
                    }
                }
                if (c.type === ColumnType.NUMBER && _this._searchStringApplicableForNumbers) {
                    if (valueFormatter !== null) {
                        var vs = valueFormatter.displayedValue(c, v, row) + '';
                        if (vs && vs.toLowerCase().indexOf(searchString) >= 0) {
                            res = true;
                            return true;
                        }
                    }
                }
                return false;
            });
            if (!res) {
                return false;
            }
        }
        for (var i = 0; i < filters.length; i++) {
            // Фильтр
            var f = filters[i];
            // Значение поля
            var v = row[f.fieldName];
            var vv = v;
            var v1 = f.value;
            var v2 = f.value2;
            var s = v ? (v + '').toLowerCase() : '';
            if (f.operator === FilterOperator.EMPTY) {
                res = this.isEmpty(v);
            }
            if (f.operator === FilterOperator.NOT_EMPTY) {
                res = !this.isEmpty(v);
            }
            if (f.type === ColumnType.DATETIME) {
                vv = vv !== null ? vv.getTime() : null;
                v1 = v1 !== null ? v1.getTime() : null;
                v2 = v2 !== null ? v2.getTime() : null;
            }
            if (f.type === ColumnType.BOOLEAN) {
                v1 = f.value;
                if (f.operator === FilterOperator.EQUALS) {
                    if (vv !== v1) {
                        res = false;
                    }
                }
                if (f.operator === FilterOperator.NOT_EQUALS) {
                    if (vv === v1) {
                        res = false;
                    }
                }
            }
            // Задан набор значений
            if (f.operator === FilterOperator.SET) {
                if (f.items.indexOf(vv) < 0) {
                    res = false;
                }
            }
            if (f.operator === FilterOperator.CONTAINS) {
                // Содержит подстроку
                if (s.indexOf(f.txtValue.toLowerCase()) < 0) {
                    res = false;
                }
            }
            if (f.operator === FilterOperator.NOT_CONTAINS) {
                // НЕ содержит подстроку
                if (s.indexOf(f.txtValue.toLowerCase()) >= 0) {
                    res = false;
                }
            }
            if (f.operator === FilterOperator.EQUALS) {
                if (s !== f.txtValue.toLowerCase()) {
                    res = false;
                }
            }
            if (f.operator === FilterOperator.NOT_EQUALS) {
                if (s === f.txtValue.toLowerCase()) {
                    res = false;
                }
            }
            if (f.operator === FilterOperator.BETWEEN) {
                if (vv < v1 || vv > v2) {
                    res = false;
                }
            }
            if (f.operator === FilterOperator.NOT_BETWEEN) {
                if (vv >= v1 && vv <= v2) {
                    res = false;
                }
            }
        }
        return res;
    };
    FilterPipe.prototype.transform = function (rows, columns, filters, searchString, vf) {
        var _this = this;
        if (!rows) {
            return rows;
        }
        searchString = searchString.toLowerCase();
        if (/\d/.test(searchString)) {
            this._searchStringApplicableForDates = true;
            this._searchStringApplicableForNumbers = true;
        }
        return !searchString && (filters === undefined || filters.length === 0) ?
            rows : rows.filter(function (row) {
            return _this.match(row, columns, filters, searchString, vf);
        });
    };
    return FilterPipe;
}());
export { FilterPipe };