primeng/components/datalist/datalist.js

[](https://opensource.org/licenses/MIT) [](https://gitter.im/primefaces/primeng?ut

"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 });
var core_1 = require("@angular/core");
var common_1 = require("@angular/common");
var shared_1 = require("../common/shared");
var paginator_1 = require("../paginator/paginator");
var DataList = /** @class */ (function () {
    function DataList(el, differs) {
        this.el = el;
        this.differs = differs;
        this.pageLinks = 5;
        this.onLazyLoad = new core_1.EventEmitter();
        this.paginatorPosition = 'bottom';
        this.emptyMessage = 'No records found';
        this.alwaysShowPaginator = true;
        this.trackBy = function (index, item) { return item; };
        this.immutable = true;
        this.onPage = new core_1.EventEmitter();
        this.first = 0;
        this.page = 0;
        this.differ = differs.find([]).create(null);
    }
    DataList.prototype.ngAfterContentInit = function () {
        var _this = this;
        this.templates.forEach(function (item) {
            switch (item.getType()) {
                case 'item':
                    _this.itemTemplate = item.template;
                    break;
                default:
                    _this.itemTemplate = item.template;
                    break;
            }
        });
    };
    DataList.prototype.ngAfterViewInit = function () {
        if (this.lazy) {
            this.onLazyLoad.emit({
                first: this.first,
                rows: this.rows
            });
        }
    };
    Object.defineProperty(DataList.prototype, "value", {
        get: function () {
            return this._value;
        },
        set: function (val) {
            this._value = val;
            if (this.immutable) {
                this.handleDataChange();
            }
        },
        enumerable: true,
        configurable: true
    });
    DataList.prototype.handleDataChange = function () {
        if (this.paginator) {
            this.updatePaginator();
        }
        this.updateDataToRender(this.value);
    };
    DataList.prototype.ngDoCheck = function () {
        if (!this.immutable) {
            var changes = this.differ.diff(this.value);
            if (changes) {
                this.handleDataChange();
            }
        }
    };
    DataList.prototype.updatePaginator = function () {
        //total records
        this.totalRecords = this.lazy ? this.totalRecords : (this.value ? this.value.length : 0);
        //first
        if (this.totalRecords && this.first >= this.totalRecords) {
            var numberOfPages = Math.ceil(this.totalRecords / this.rows);
            this.first = Math.max((numberOfPages - 1) * this.rows, 0);
        }
    };
    DataList.prototype.paginate = function (event) {
        this.first = event.first;
        this.rows = event.rows;
        if (this.lazy) {
            this.onLazyLoad.emit(this.createLazyLoadMetadata());
        }
        else {
            this.updateDataToRender(this.value);
        }
        this.onPage.emit({
            first: this.first,
            rows: this.rows
        });
    };
    DataList.prototype.updateDataToRender = function (datasource) {
        if (this.paginator && datasource) {
            this.dataToRender = [];
            var startIndex = this.lazy ? 0 : this.first;
            for (var i = startIndex; i < (startIndex + this.rows); i++) {
                if (i >= datasource.length) {
                    break;
                }
                this.dataToRender.push(datasource[i]);
            }
        }
        else {
            this.dataToRender = datasource;
        }
    };
    DataList.prototype.isEmpty = function () {
        return !this.dataToRender || (this.dataToRender.length == 0);
    };
    DataList.prototype.createLazyLoadMetadata = function () {
        return {
            first: this.first,
            rows: this.rows
        };
    };
    DataList.prototype.getBlockableElement = function () {
        return this.el.nativeElement.children[0];
    };
    __decorate([
        core_1.Input(),
        __metadata("design:type", Boolean)
    ], DataList.prototype, "paginator", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Number)
    ], DataList.prototype, "rows", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Number)
    ], DataList.prototype, "totalRecords", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Number)
    ], DataList.prototype, "pageLinks", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Array)
    ], DataList.prototype, "rowsPerPageOptions", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Boolean)
    ], DataList.prototype, "lazy", void 0);
    __decorate([
        core_1.Output(),
        __metadata("design:type", core_1.EventEmitter)
    ], DataList.prototype, "onLazyLoad", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Object)
    ], DataList.prototype, "style", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", String)
    ], DataList.prototype, "styleClass", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", String)
    ], DataList.prototype, "paginatorPosition", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", String)
    ], DataList.prototype, "emptyMessage", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Boolean)
    ], DataList.prototype, "alwaysShowPaginator", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Function)
    ], DataList.prototype, "trackBy", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Boolean)
    ], DataList.prototype, "immutable", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Boolean)
    ], DataList.prototype, "scrollable", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", String)
    ], DataList.prototype, "scrollHeight", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Object)
    ], DataList.prototype, "paginatorDropdownAppendTo", void 0);
    __decorate([
        core_1.Output(),
        __metadata("design:type", core_1.EventEmitter)
    ], DataList.prototype, "onPage", void 0);
    __decorate([
        core_1.ContentChild(shared_1.Header),
        __metadata("design:type", Object)
    ], DataList.prototype, "header", void 0);
    __decorate([
        core_1.ContentChild(shared_1.Footer),
        __metadata("design:type", Object)
    ], DataList.prototype, "footer", void 0);
    __decorate([
        core_1.ContentChildren(shared_1.PrimeTemplate),
        __metadata("design:type", core_1.QueryList)
    ], DataList.prototype, "templates", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Array),
        __metadata("design:paramtypes", [Array])
    ], DataList.prototype, "value", null);
    DataList = __decorate([
        core_1.Component({
            selector: 'p-dataList',
            template: "\n        <div [ngClass]=\"{'ui-datalist ui-widget': true, 'ui-datalist-scrollable': scrollable}\" [ngStyle]=\"style\" [class]=\"styleClass\">\n            <div class=\"ui-datalist-header ui-widget-header ui-corner-top\" *ngIf=\"header\">\n                <ng-content select=\"p-header\"></ng-content>\n            </div>\n            <p-paginator [rows]=\"rows\" [first]=\"first\" [totalRecords]=\"totalRecords\" [pageLinkSize]=\"pageLinks\" [alwaysShow]=\"alwaysShowPaginator\"\n            (onPageChange)=\"paginate($event)\" styleClass=\"ui-paginator-top\" [rowsPerPageOptions]=\"rowsPerPageOptions\" *ngIf=\"paginator && (paginatorPosition === 'top' || paginatorPosition =='both')\"\n            [dropdownAppendTo]=\"paginatorDropdownAppendTo\"></p-paginator>\n            <div class=\"ui-datalist-content ui-widget-content\" [ngStyle]=\"{'max-height': scrollHeight}\">\n                <div *ngIf=\"isEmpty()\" class=\"ui-datalist-emptymessage\">{{emptyMessage}}</div>\n                <ul class=\"ui-datalist-data\">\n                    <li *ngFor=\"let item of dataToRender;let i = index;trackBy: trackBy\">\n                        <ng-container *ngTemplateOutlet=\"itemTemplate; context: {$implicit: item, index: (i + first)}\"></ng-container>\n                    </li>\n                </ul>\n            </div>\n            <p-paginator [rows]=\"rows\" [first]=\"first\" [totalRecords]=\"totalRecords\" [pageLinkSize]=\"pageLinks\" [alwaysShow]=\"alwaysShowPaginator\"\n            (onPageChange)=\"paginate($event)\" styleClass=\"ui-paginator-bottom\" [rowsPerPageOptions]=\"rowsPerPageOptions\" *ngIf=\"paginator && (paginatorPosition === 'bottom' || paginatorPosition =='both')\"\n            [dropdownAppendTo]=\"paginatorDropdownAppendTo\"></p-paginator>\n            <div class=\"ui-datalist-footer ui-widget-header ui-corner-bottom\" *ngIf=\"footer\">\n                <ng-content select=\"p-footer\"></ng-content>\n            </div>\n        </div>\n    "
        }),
        __metadata("design:paramtypes", [core_1.ElementRef, core_1.IterableDiffers])
    ], DataList);
    return DataList;
}());
exports.DataList = DataList;
var DataListModule = /** @class */ (function () {
    function DataListModule() {
    }
    DataListModule = __decorate([
        core_1.NgModule({
            imports: [common_1.CommonModule, paginator_1.PaginatorModule],
            exports: [DataList, shared_1.SharedModule],
            declarations: [DataList]
        })
    ], DataListModule);
    return DataListModule;
}());
exports.DataListModule = DataListModule;
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