@cascade/pagination
Version:
Array and Service Pagination powered by Cascade.
117 lines • 4.32 kB
JavaScript
"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
const cascade_1 = require("cascade");
class DataSource {
constructor(source, params) {
params = params || {};
var self = this;
this.pageSize = params.pageSize || 20;
this.page = params.page || 0;
this.pagerSize = params.pagerSize || 10;
this.sortedColumn = params.sortedColumn;
this.sortedDirection = params.sortedDirection;
this.activeRows = params.activeRows;
this.rowCount = params.rowCount || 0;
this.error = params.error || false;
this.source = source;
this.lockRefresh = true;
this.runCount = 0;
}
get dataComputed() {
var pageSize = this.pageSize;
var page = this.page;
var sortedColumn = this.sortedColumn;
var sortedDirection = this.sortedDirection;
if (!this.lockRefresh) {
return this.run(true);
}
else {
return Promise.reject('DataSource is locked');
}
}
init() {
this.lockRefresh = false;
return this.dataComputed;
}
run(preservePage) {
this.runCount++;
var runID = this.runCount;
this.lockRefresh = false;
var pageSize = this.pageSize;
var page = this.page;
var sortedColumn = this.sortedColumn;
var sortedDirection = this.sortedDirection;
var promise = this.source(page, pageSize, sortedColumn, sortedDirection);
return promise.then((results) => {
if (runID == this.runCount) {
this.activeRows = results.data;
this.rowCount = results.count;
if (!preservePage) {
this.page = 0;
}
this.error = false;
}
return results;
}).catch((results) => {
if (runID == this.runCount) {
this.error = true;
}
return Promise.reject(results);
});
}
clear() {
var lockRefresh = this.lockRefresh;
this.page = 0;
this.rowCount = 0;
this.activeRows = [];
this.lockRefresh = lockRefresh;
}
}
__decorate([
cascade_1.observable,
__metadata("design:type", Number)
], DataSource.prototype, "pageSize", void 0);
__decorate([
cascade_1.observable,
__metadata("design:type", Number)
], DataSource.prototype, "page", void 0);
__decorate([
cascade_1.observable,
__metadata("design:type", Number)
], DataSource.prototype, "pagerSize", void 0);
__decorate([
cascade_1.observable,
__metadata("design:type", String)
], DataSource.prototype, "sortedColumn", void 0);
__decorate([
cascade_1.observable,
__metadata("design:type", Boolean)
], DataSource.prototype, "sortedDirection", void 0);
__decorate([
cascade_1.observable,
__metadata("design:type", Array)
], DataSource.prototype, "activeRows", void 0);
__decorate([
cascade_1.observable,
__metadata("design:type", Number)
], DataSource.prototype, "rowCount", void 0);
__decorate([
cascade_1.observable,
__metadata("design:type", Boolean)
], DataSource.prototype, "error", void 0);
__decorate([
cascade_1.observable,
__metadata("design:type", Promise),
__metadata("design:paramtypes", [])
], DataSource.prototype, "dataComputed", null);
exports.default = DataSource;
//# sourceMappingURL=DataSource.js.map