gnezim
175 lines
8.7 KiB
JavaScript
175 lines
8.7 KiB
JavaScript
(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/common'), require('primeng/api'), require('@angular/cdk/scrolling')) :
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typeof define === 'function' && define.amd ? define('primeng/virtualscroller', ['exports', '@angular/core', '@angular/common', 'primeng/api', '@angular/cdk/scrolling'], factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global.primeng = global.primeng || {}, global.primeng.virtualscroller = {}), global.ng.core, global.ng.common, global.primeng.api, global.ng.cdk.scrolling));
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}(this, (function (exports, core, common, api, scrolling) { 'use strict';
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var VirtualScroller = /** @class */ (function () {
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function VirtualScroller(el) {
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this.el = el;
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this.trackBy = function (index, item) { return item; };
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this.onLazyLoad = new core.EventEmitter();
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this._totalRecords = 0;
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this.page = 0;
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this._first = 0;
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this.loadedPages = [];
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}
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Object.defineProperty(VirtualScroller.prototype, "totalRecords", {
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get: function () {
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return this._totalRecords;
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},
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set: function (val) {
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this._totalRecords = val;
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console.log("totalRecords is deprecated, provide a value with the length of virtual items instead.");
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},
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enumerable: false,
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configurable: true
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});
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Object.defineProperty(VirtualScroller.prototype, "first", {
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get: function () {
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return this._first;
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},
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set: function (val) {
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this._first = val;
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console.log("first property is deprecated, use scrollToIndex function to scroll a specific item.");
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},
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enumerable: false,
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configurable: true
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});
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Object.defineProperty(VirtualScroller.prototype, "cache", {
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get: function () {
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return this._cache;
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},
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set: function (val) {
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this._cache = val;
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console.log("cache is deprecated as it is always on.");
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},
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enumerable: false,
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configurable: true
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});
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VirtualScroller.prototype.ngAfterContentInit = function () {
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var _this = this;
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this.templates.forEach(function (item) {
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switch (item.getType()) {
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case 'item':
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_this.itemTemplate = item.template;
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break;
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case 'loadingItem':
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_this.loadingItemTemplate = item.template;
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break;
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case 'header':
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_this.headerTemplate = item.template;
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break;
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case 'footer':
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_this.footerTemplate = item.template;
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break;
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default:
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_this.itemTemplate = item.template;
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break;
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}
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});
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};
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VirtualScroller.prototype.onScrollIndexChange = function (index) {
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var _this = this;
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if (this.lazy) {
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var pageRange = this.createPageRange(Math.floor(index / this.rows));
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pageRange.forEach(function (page) { return _this.loadPage(page); });
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}
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};
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VirtualScroller.prototype.createPageRange = function (page) {
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var range = [];
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if (page !== 0) {
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range.push(page - 1);
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}
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range.push(page);
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if (page !== (Math.ceil(this.value.length / this.rows) - 1)) {
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range.push(page + 1);
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}
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return range;
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};
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VirtualScroller.prototype.loadPage = function (page) {
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if (!this.loadedPages.includes(page)) {
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this.onLazyLoad.emit({ first: this.rows * page, rows: this.rows });
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this.loadedPages.push(page);
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}
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};
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VirtualScroller.prototype.getBlockableElement = function () {
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return this.el.nativeElement.children[0];
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};
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//@deprecated
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VirtualScroller.prototype.scrollTo = function (index, mode) {
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this.scrollToIndex(index, mode);
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};
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VirtualScroller.prototype.scrollToIndex = function (index, mode) {
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if (this.viewport) {
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this.viewport.scrollToIndex(index, mode);
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}
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};
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VirtualScroller.prototype.clearCache = function () {
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this.loadedPages = [];
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};
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VirtualScroller.prototype.ngOnChanges = function (simpleChange) {
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if (simpleChange.value) {
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if (!this.lazy) {
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this.clearCache();
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}
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}
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};
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return VirtualScroller;
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}());
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VirtualScroller.decorators = [
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{ type: core.Component, args: [{
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selector: 'p-virtualScroller',
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template: "\n <div [ngClass]=\"'p-virtualscroller p-component'\" [ngStyle]=\"style\" [class]=\"styleClass\">\n <div class=\"p-virtualscroller-header\" *ngIf=\"header || headerTemplate\">\n <ng-content select=\"p-header\"></ng-content>\n <ng-container *ngTemplateOutlet=\"headerTemplate\"></ng-container>\n </div>\n <div #content class=\"p-virtualscroller-content\">\n <div class=\"p-virtualscroller-list\">\n <cdk-virtual-scroll-viewport #viewport [ngStyle]=\"{'height': scrollHeight}\" [itemSize]=\"itemSize\" [minBufferPx]=\"minBufferPx\" [maxBufferPx]=\"maxBufferPx\" (scrolledIndexChange)=\"onScrollIndexChange($event)\">\n <ng-container *cdkVirtualFor=\"let item of value; trackBy: trackBy; let i = index; let c = count; let f = first; let l = last; let e = even; let o = odd;\">\n <div [ngStyle]=\"{'height': itemSize + 'px'}\" class=\"p-virtualscroller-item\">\n <ng-container *ngTemplateOutlet=\"item ? itemTemplate : loadingItemTemplate; context: {$implicit: item, index: i, count: c, first: f, last: l, even: e, odd: o}\"></ng-container>\n </div>\n </ng-container>\n </cdk-virtual-scroll-viewport>\n </div>\n </div>\n <div class=\"p-virtualscroller-footer\" *ngIf=\"footer || footerTemplate\">\n <ng-content select=\"p-footer\"></ng-content>\n <ng-container *ngTemplateOutlet=\"footerTemplate\"></ng-container>\n </div>\n </div>\n ",
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changeDetection: core.ChangeDetectionStrategy.Default,
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encapsulation: core.ViewEncapsulation.None
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},] }
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];
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VirtualScroller.ctorParameters = function () { return [
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{ type: core.ElementRef }
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]; };
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VirtualScroller.propDecorators = {
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value: [{ type: core.Input }],
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itemSize: [{ type: core.Input }],
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style: [{ type: core.Input }],
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styleClass: [{ type: core.Input }],
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scrollHeight: [{ type: core.Input }],
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lazy: [{ type: core.Input }],
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rows: [{ type: core.Input }],
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minBufferPx: [{ type: core.Input }],
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maxBufferPx: [{ type: core.Input }],
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trackBy: [{ type: core.Input }],
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header: [{ type: core.ContentChild, args: [api.Header,] }],
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footer: [{ type: core.ContentChild, args: [api.Footer,] }],
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templates: [{ type: core.ContentChildren, args: [api.PrimeTemplate,] }],
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viewport: [{ type: core.ViewChild, args: [scrolling.CdkVirtualScrollViewport,] }],
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onLazyLoad: [{ type: core.Output }],
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totalRecords: [{ type: core.Input }],
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first: [{ type: core.Input }],
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cache: [{ type: core.Input }]
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};
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var VirtualScrollerModule = /** @class */ (function () {
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function VirtualScrollerModule() {
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}
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return VirtualScrollerModule;
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}());
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VirtualScrollerModule.decorators = [
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{ type: core.NgModule, args: [{
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imports: [common.CommonModule, scrolling.ScrollingModule],
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exports: [VirtualScroller, api.SharedModule, scrolling.ScrollingModule],
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declarations: [VirtualScroller]
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},] }
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];
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/**
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* Generated bundle index. Do not edit.
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*/
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exports.VirtualScroller = VirtualScroller;
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exports.VirtualScrollerModule = VirtualScrollerModule;
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Object.defineProperty(exports, '__esModule', { value: true });
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})));
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//# sourceMappingURL=primeng-virtualscroller.umd.js.map
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