934 lines
38 KiB
JavaScript
934 lines
38 KiB
JavaScript
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import { findSingle, isVisible, getWidth, getHeight } from '@primeuix/utils/dom';
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import SpinnerIcon from '@primevue/icons/spinner';
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import BaseComponent from '@primevue/core/basecomponent';
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import VirtualScrollerStyle from 'primevue/virtualscroller/style';
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import { resolveComponent, createElementBlock, openBlock, mergeProps, renderSlot, createCommentVNode, createElementVNode, Fragment, renderList, createVNode } from 'vue';
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var script$1 = {
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name: 'BaseVirtualScroller',
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"extends": BaseComponent,
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props: {
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id: {
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type: String,
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"default": null
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},
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style: null,
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"class": null,
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items: {
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type: Array,
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"default": null
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},
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itemSize: {
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type: [Number, Array],
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"default": 0
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},
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scrollHeight: null,
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scrollWidth: null,
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orientation: {
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type: String,
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"default": 'vertical'
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},
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numToleratedItems: {
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type: Number,
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"default": null
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},
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delay: {
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type: Number,
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"default": 0
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},
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resizeDelay: {
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type: Number,
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"default": 10
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},
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lazy: {
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type: Boolean,
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"default": false
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},
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disabled: {
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type: Boolean,
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"default": false
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},
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loaderDisabled: {
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type: Boolean,
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"default": false
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},
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columns: {
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type: Array,
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"default": null
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},
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loading: {
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type: Boolean,
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"default": false
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},
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showSpacer: {
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type: Boolean,
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"default": true
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},
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showLoader: {
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type: Boolean,
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"default": false
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},
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tabindex: {
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type: Number,
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"default": 0
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},
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inline: {
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type: Boolean,
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"default": false
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},
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step: {
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type: Number,
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"default": 0
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},
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appendOnly: {
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type: Boolean,
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"default": false
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},
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autoSize: {
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type: Boolean,
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"default": false
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}
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},
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style: VirtualScrollerStyle,
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provide: function provide() {
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return {
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$pcVirtualScroller: this,
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$parentInstance: this
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};
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},
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beforeMount: function beforeMount() {
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var _this$$primevueConfig;
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VirtualScrollerStyle.loadCSS({
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nonce: (_this$$primevueConfig = this.$primevueConfig) === null || _this$$primevueConfig === void 0 || (_this$$primevueConfig = _this$$primevueConfig.csp) === null || _this$$primevueConfig === void 0 ? void 0 : _this$$primevueConfig.nonce
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});
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}
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};
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function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
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function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
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function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), true).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
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function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: true, configurable: true, writable: true }) : e[r] = t, e; }
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function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
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function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
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var script = {
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name: 'VirtualScroller',
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"extends": script$1,
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inheritAttrs: false,
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emits: ['update:numToleratedItems', 'scroll', 'scroll-index-change', 'lazy-load'],
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data: function data() {
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var both = this.isBoth();
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return {
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first: both ? {
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rows: 0,
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cols: 0
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} : 0,
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last: both ? {
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rows: 0,
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cols: 0
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} : 0,
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page: both ? {
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rows: 0,
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cols: 0
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} : 0,
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numItemsInViewport: both ? {
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rows: 0,
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cols: 0
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} : 0,
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lastScrollPos: both ? {
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top: 0,
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left: 0
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} : 0,
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d_numToleratedItems: this.numToleratedItems,
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d_loading: this.loading,
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loaderArr: [],
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spacerStyle: {},
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contentStyle: {}
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};
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},
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element: null,
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content: null,
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lastScrollPos: null,
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scrollTimeout: null,
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resizeTimeout: null,
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defaultWidth: 0,
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defaultHeight: 0,
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defaultContentWidth: 0,
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defaultContentHeight: 0,
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isRangeChanged: false,
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lazyLoadState: {},
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resizeListener: null,
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resizeObserver: null,
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initialized: false,
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watch: {
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numToleratedItems: function numToleratedItems(newValue) {
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this.d_numToleratedItems = newValue;
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},
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loading: function loading(newValue, oldValue) {
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if (this.lazy && newValue !== oldValue && newValue !== this.d_loading) {
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this.d_loading = newValue;
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}
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},
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items: {
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handler: function handler(newValue, oldValue) {
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if (!oldValue || oldValue.length !== (newValue || []).length) {
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this.init();
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this.calculateAutoSize();
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}
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},
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deep: true
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},
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itemSize: function itemSize() {
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this.init();
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this.calculateAutoSize();
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},
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orientation: function orientation() {
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this.lastScrollPos = this.isBoth() ? {
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top: 0,
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left: 0
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} : 0;
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},
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scrollHeight: function scrollHeight() {
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this.init();
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this.calculateAutoSize();
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},
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scrollWidth: function scrollWidth() {
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this.init();
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this.calculateAutoSize();
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}
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},
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mounted: function mounted() {
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this.viewInit();
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this.lastScrollPos = this.isBoth() ? {
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top: 0,
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left: 0
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} : 0;
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this.lazyLoadState = this.lazyLoadState || {};
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},
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updated: function updated() {
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!this.initialized && this.viewInit();
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},
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unmounted: function unmounted() {
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this.unbindResizeListener();
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this.initialized = false;
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},
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methods: {
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viewInit: function viewInit() {
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if (isVisible(this.element)) {
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this.setContentEl(this.content);
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this.init();
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this.calculateAutoSize();
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this.defaultWidth = getWidth(this.element);
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this.defaultHeight = getHeight(this.element);
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this.defaultContentWidth = getWidth(this.content);
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this.defaultContentHeight = getHeight(this.content);
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this.initialized = true;
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}
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if (this.element) {
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this.bindResizeListener();
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}
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},
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init: function init() {
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if (!this.disabled) {
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this.setSize();
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this.calculateOptions();
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this.setSpacerSize();
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}
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},
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isVertical: function isVertical() {
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return this.orientation === 'vertical';
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},
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isHorizontal: function isHorizontal() {
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return this.orientation === 'horizontal';
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},
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isBoth: function isBoth() {
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return this.orientation === 'both';
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},
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scrollTo: function scrollTo(options) {
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//this.lastScrollPos = this.both ? { top: 0, left: 0 } : 0;
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this.element && this.element.scrollTo(options);
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},
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scrollToIndex: function scrollToIndex(index) {
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var _this = this;
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var behavior = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'auto';
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var both = this.isBoth();
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var horizontal = this.isHorizontal();
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var valid = both ? index.every(function (i) {
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return i > -1;
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}) : index > -1;
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if (valid) {
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var first = this.first;
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var _this$element = this.element,
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_this$element$scrollT = _this$element.scrollTop,
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scrollTop = _this$element$scrollT === void 0 ? 0 : _this$element$scrollT,
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_this$element$scrollL = _this$element.scrollLeft,
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scrollLeft = _this$element$scrollL === void 0 ? 0 : _this$element$scrollL;
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var _this$calculateNumIte = this.calculateNumItems(),
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numToleratedItems = _this$calculateNumIte.numToleratedItems;
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var contentPos = this.getContentPosition();
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var itemSize = this.itemSize;
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var calculateFirst = function calculateFirst() {
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var _index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
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var _numT = arguments.length > 1 ? arguments[1] : undefined;
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return _index <= _numT ? 0 : _index;
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};
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var calculateCoord = function calculateCoord(_first, _size, _cpos) {
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return _first * _size + _cpos;
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};
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var scrollTo = function scrollTo() {
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var left = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
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var top = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
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return _this.scrollTo({
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left: left,
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top: top,
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behavior: behavior
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});
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};
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var newFirst = both ? {
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rows: 0,
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cols: 0
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} : 0;
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var isRangeChanged = false,
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isScrollChanged = false;
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if (both) {
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newFirst = {
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rows: calculateFirst(index[0], numToleratedItems[0]),
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cols: calculateFirst(index[1], numToleratedItems[1])
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};
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scrollTo(calculateCoord(newFirst.cols, itemSize[1], contentPos.left), calculateCoord(newFirst.rows, itemSize[0], contentPos.top));
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isScrollChanged = this.lastScrollPos.top !== scrollTop || this.lastScrollPos.left !== scrollLeft;
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isRangeChanged = newFirst.rows !== first.rows || newFirst.cols !== first.cols;
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} else {
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newFirst = calculateFirst(index, numToleratedItems);
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horizontal ? scrollTo(calculateCoord(newFirst, itemSize, contentPos.left), scrollTop) : scrollTo(scrollLeft, calculateCoord(newFirst, itemSize, contentPos.top));
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isScrollChanged = this.lastScrollPos !== (horizontal ? scrollLeft : scrollTop);
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isRangeChanged = newFirst !== first;
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}
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this.isRangeChanged = isRangeChanged;
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isScrollChanged && (this.first = newFirst);
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}
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},
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scrollInView: function scrollInView(index, to) {
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var _this2 = this;
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var behavior = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'auto';
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if (to) {
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var both = this.isBoth();
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var horizontal = this.isHorizontal();
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var valid = both ? index.every(function (i) {
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return i > -1;
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}) : index > -1;
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if (valid) {
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var _this$getRenderedRang = this.getRenderedRange(),
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first = _this$getRenderedRang.first,
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viewport = _this$getRenderedRang.viewport;
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var scrollTo = function scrollTo() {
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var left = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
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var top = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
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return _this2.scrollTo({
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left: left,
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top: top,
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behavior: behavior
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});
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};
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var isToStart = to === 'to-start';
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var isToEnd = to === 'to-end';
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if (isToStart) {
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if (both) {
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if (viewport.first.rows - first.rows > index[0]) {
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scrollTo(viewport.first.cols * this.itemSize[1], (viewport.first.rows - 1) * this.itemSize[0]);
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} else if (viewport.first.cols - first.cols > index[1]) {
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scrollTo((viewport.first.cols - 1) * this.itemSize[1], viewport.first.rows * this.itemSize[0]);
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}
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} else {
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if (viewport.first - first > index) {
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var pos = (viewport.first - 1) * this.itemSize;
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horizontal ? scrollTo(pos, 0) : scrollTo(0, pos);
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}
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}
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} else if (isToEnd) {
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if (both) {
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if (viewport.last.rows - first.rows <= index[0] + 1) {
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scrollTo(viewport.first.cols * this.itemSize[1], (viewport.first.rows + 1) * this.itemSize[0]);
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} else if (viewport.last.cols - first.cols <= index[1] + 1) {
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scrollTo((viewport.first.cols + 1) * this.itemSize[1], viewport.first.rows * this.itemSize[0]);
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}
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} else {
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||
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if (viewport.last - first <= index + 1) {
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var _pos2 = (viewport.first + 1) * this.itemSize;
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horizontal ? scrollTo(_pos2, 0) : scrollTo(0, _pos2);
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||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
this.scrollToIndex(index, behavior);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
getRenderedRange: function getRenderedRange() {
|
||
|
|
var calculateFirstInViewport = function calculateFirstInViewport(_pos, _size) {
|
||
|
|
return Math.floor(_pos / (_size || _pos));
|
||
|
|
};
|
||
|
|
var firstInViewport = this.first;
|
||
|
|
var lastInViewport = 0;
|
||
|
|
if (this.element) {
|
||
|
|
var both = this.isBoth();
|
||
|
|
var horizontal = this.isHorizontal();
|
||
|
|
var _this$element2 = this.element,
|
||
|
|
scrollTop = _this$element2.scrollTop,
|
||
|
|
scrollLeft = _this$element2.scrollLeft;
|
||
|
|
if (both) {
|
||
|
|
firstInViewport = {
|
||
|
|
rows: calculateFirstInViewport(scrollTop, this.itemSize[0]),
|
||
|
|
cols: calculateFirstInViewport(scrollLeft, this.itemSize[1])
|
||
|
|
};
|
||
|
|
lastInViewport = {
|
||
|
|
rows: firstInViewport.rows + this.numItemsInViewport.rows,
|
||
|
|
cols: firstInViewport.cols + this.numItemsInViewport.cols
|
||
|
|
};
|
||
|
|
} else {
|
||
|
|
var scrollPos = horizontal ? scrollLeft : scrollTop;
|
||
|
|
firstInViewport = calculateFirstInViewport(scrollPos, this.itemSize);
|
||
|
|
lastInViewport = firstInViewport + this.numItemsInViewport;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
first: this.first,
|
||
|
|
last: this.last,
|
||
|
|
viewport: {
|
||
|
|
first: firstInViewport,
|
||
|
|
last: lastInViewport
|
||
|
|
}
|
||
|
|
};
|
||
|
|
},
|
||
|
|
calculateNumItems: function calculateNumItems() {
|
||
|
|
var both = this.isBoth();
|
||
|
|
var horizontal = this.isHorizontal();
|
||
|
|
var itemSize = this.itemSize;
|
||
|
|
var contentPos = this.getContentPosition();
|
||
|
|
var contentWidth = this.element ? this.element.offsetWidth - contentPos.left : 0;
|
||
|
|
var contentHeight = this.element ? this.element.offsetHeight - contentPos.top : 0;
|
||
|
|
var calculateNumItemsInViewport = function calculateNumItemsInViewport(_contentSize, _itemSize) {
|
||
|
|
return Math.ceil(_contentSize / (_itemSize || _contentSize));
|
||
|
|
};
|
||
|
|
var calculateNumToleratedItems = function calculateNumToleratedItems(_numItems) {
|
||
|
|
return Math.ceil(_numItems / 2);
|
||
|
|
};
|
||
|
|
var numItemsInViewport = both ? {
|
||
|
|
rows: calculateNumItemsInViewport(contentHeight, itemSize[0]),
|
||
|
|
cols: calculateNumItemsInViewport(contentWidth, itemSize[1])
|
||
|
|
} : calculateNumItemsInViewport(horizontal ? contentWidth : contentHeight, itemSize);
|
||
|
|
var numToleratedItems = this.d_numToleratedItems || (both ? [calculateNumToleratedItems(numItemsInViewport.rows), calculateNumToleratedItems(numItemsInViewport.cols)] : calculateNumToleratedItems(numItemsInViewport));
|
||
|
|
return {
|
||
|
|
numItemsInViewport: numItemsInViewport,
|
||
|
|
numToleratedItems: numToleratedItems
|
||
|
|
};
|
||
|
|
},
|
||
|
|
calculateOptions: function calculateOptions() {
|
||
|
|
var _this3 = this;
|
||
|
|
var both = this.isBoth();
|
||
|
|
var first = this.first;
|
||
|
|
var _this$calculateNumIte2 = this.calculateNumItems(),
|
||
|
|
numItemsInViewport = _this$calculateNumIte2.numItemsInViewport,
|
||
|
|
numToleratedItems = _this$calculateNumIte2.numToleratedItems;
|
||
|
|
var calculateLast = function calculateLast(_first, _num, _numT) {
|
||
|
|
var _isCols = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
|
||
|
|
return _this3.getLast(_first + _num + (_first < _numT ? 2 : 3) * _numT, _isCols);
|
||
|
|
};
|
||
|
|
var last = both ? {
|
||
|
|
rows: calculateLast(first.rows, numItemsInViewport.rows, numToleratedItems[0]),
|
||
|
|
cols: calculateLast(first.cols, numItemsInViewport.cols, numToleratedItems[1], true)
|
||
|
|
} : calculateLast(first, numItemsInViewport, numToleratedItems);
|
||
|
|
this.last = last;
|
||
|
|
this.numItemsInViewport = numItemsInViewport;
|
||
|
|
this.d_numToleratedItems = numToleratedItems;
|
||
|
|
this.$emit('update:numToleratedItems', this.d_numToleratedItems);
|
||
|
|
if (this.showLoader) {
|
||
|
|
this.loaderArr = both ? Array.from({
|
||
|
|
length: numItemsInViewport.rows
|
||
|
|
}).map(function () {
|
||
|
|
return Array.from({
|
||
|
|
length: numItemsInViewport.cols
|
||
|
|
});
|
||
|
|
}) : Array.from({
|
||
|
|
length: numItemsInViewport
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (this.lazy) {
|
||
|
|
Promise.resolve().then(function () {
|
||
|
|
var _this3$items;
|
||
|
|
_this3.lazyLoadState = {
|
||
|
|
first: _this3.step ? both ? {
|
||
|
|
rows: 0,
|
||
|
|
cols: first.cols
|
||
|
|
} : 0 : first,
|
||
|
|
last: Math.min(_this3.step ? _this3.step : last, ((_this3$items = _this3.items) === null || _this3$items === void 0 ? void 0 : _this3$items.length) || 0)
|
||
|
|
};
|
||
|
|
_this3.$emit('lazy-load', _this3.lazyLoadState);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
},
|
||
|
|
calculateAutoSize: function calculateAutoSize() {
|
||
|
|
var _this4 = this;
|
||
|
|
if (this.autoSize && !this.d_loading) {
|
||
|
|
Promise.resolve().then(function () {
|
||
|
|
if (_this4.content) {
|
||
|
|
var both = _this4.isBoth();
|
||
|
|
var horizontal = _this4.isHorizontal();
|
||
|
|
var vertical = _this4.isVertical();
|
||
|
|
_this4.content.style.minHeight = _this4.content.style.minWidth = 'auto';
|
||
|
|
_this4.content.style.position = 'relative';
|
||
|
|
_this4.element.style.contain = 'none';
|
||
|
|
|
||
|
|
/*const [contentWidth, contentHeight] = [getWidth(this.content), getHeight(this.content)];
|
||
|
|
contentWidth !== this.defaultContentWidth && (this.element.style.width = '');
|
||
|
|
contentHeight !== this.defaultContentHeight && (this.element.style.height = '');*/
|
||
|
|
|
||
|
|
var _ref = [getWidth(_this4.element), getHeight(_this4.element)],
|
||
|
|
width = _ref[0],
|
||
|
|
height = _ref[1];
|
||
|
|
(both || horizontal) && (_this4.element.style.width = width < _this4.defaultWidth ? width + 'px' : _this4.scrollWidth || _this4.defaultWidth + 'px');
|
||
|
|
(both || vertical) && (_this4.element.style.height = height < _this4.defaultHeight ? height + 'px' : _this4.scrollHeight || _this4.defaultHeight + 'px');
|
||
|
|
_this4.content.style.minHeight = _this4.content.style.minWidth = '';
|
||
|
|
_this4.content.style.position = '';
|
||
|
|
_this4.element.style.contain = '';
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
},
|
||
|
|
getLast: function getLast() {
|
||
|
|
var _ref2, _this$items;
|
||
|
|
var last = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
|
||
|
|
var isCols = arguments.length > 1 ? arguments[1] : undefined;
|
||
|
|
return this.items ? Math.min(isCols ? ((_ref2 = this.columns || this.items[0]) === null || _ref2 === void 0 ? void 0 : _ref2.length) || 0 : ((_this$items = this.items) === null || _this$items === void 0 ? void 0 : _this$items.length) || 0, last) : 0;
|
||
|
|
},
|
||
|
|
getContentPosition: function getContentPosition() {
|
||
|
|
if (this.content) {
|
||
|
|
var style = getComputedStyle(this.content);
|
||
|
|
var left = parseFloat(style.paddingLeft) + Math.max(parseFloat(style.left) || 0, 0);
|
||
|
|
var right = parseFloat(style.paddingRight) + Math.max(parseFloat(style.right) || 0, 0);
|
||
|
|
var top = parseFloat(style.paddingTop) + Math.max(parseFloat(style.top) || 0, 0);
|
||
|
|
var bottom = parseFloat(style.paddingBottom) + Math.max(parseFloat(style.bottom) || 0, 0);
|
||
|
|
return {
|
||
|
|
left: left,
|
||
|
|
right: right,
|
||
|
|
top: top,
|
||
|
|
bottom: bottom,
|
||
|
|
x: left + right,
|
||
|
|
y: top + bottom
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
left: 0,
|
||
|
|
right: 0,
|
||
|
|
top: 0,
|
||
|
|
bottom: 0,
|
||
|
|
x: 0,
|
||
|
|
y: 0
|
||
|
|
};
|
||
|
|
},
|
||
|
|
setSize: function setSize() {
|
||
|
|
var _this5 = this;
|
||
|
|
if (this.element) {
|
||
|
|
var both = this.isBoth();
|
||
|
|
var horizontal = this.isHorizontal();
|
||
|
|
var parentElement = this.element.parentElement;
|
||
|
|
var width = this.scrollWidth || "".concat(this.element.offsetWidth || parentElement.offsetWidth, "px");
|
||
|
|
var height = this.scrollHeight || "".concat(this.element.offsetHeight || parentElement.offsetHeight, "px");
|
||
|
|
var setProp = function setProp(_name, _value) {
|
||
|
|
return _this5.element.style[_name] = _value;
|
||
|
|
};
|
||
|
|
if (both || horizontal) {
|
||
|
|
setProp('height', height);
|
||
|
|
setProp('width', width);
|
||
|
|
} else {
|
||
|
|
setProp('height', height);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
setSpacerSize: function setSpacerSize() {
|
||
|
|
var _this6 = this;
|
||
|
|
var items = this.items;
|
||
|
|
if (items) {
|
||
|
|
var both = this.isBoth();
|
||
|
|
var horizontal = this.isHorizontal();
|
||
|
|
var contentPos = this.getContentPosition();
|
||
|
|
var setProp = function setProp(_name, _value, _size) {
|
||
|
|
var _cpos = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
|
||
|
|
return _this6.spacerStyle = _objectSpread(_objectSpread({}, _this6.spacerStyle), _defineProperty({}, "".concat(_name), (_value || []).length * _size + _cpos + 'px'));
|
||
|
|
};
|
||
|
|
if (both) {
|
||
|
|
setProp('height', items, this.itemSize[0], contentPos.y);
|
||
|
|
setProp('width', this.columns || items[1], this.itemSize[1], contentPos.x);
|
||
|
|
} else {
|
||
|
|
horizontal ? setProp('width', this.columns || items, this.itemSize, contentPos.x) : setProp('height', items, this.itemSize, contentPos.y);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
setContentPosition: function setContentPosition(pos) {
|
||
|
|
var _this7 = this;
|
||
|
|
if (this.content && !this.appendOnly) {
|
||
|
|
var both = this.isBoth();
|
||
|
|
var horizontal = this.isHorizontal();
|
||
|
|
var first = pos ? pos.first : this.first;
|
||
|
|
var calculateTranslateVal = function calculateTranslateVal(_first, _size) {
|
||
|
|
return _first * _size;
|
||
|
|
};
|
||
|
|
var setTransform = function setTransform() {
|
||
|
|
var _x = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
|
||
|
|
var _y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
|
||
|
|
return _this7.contentStyle = _objectSpread(_objectSpread({}, _this7.contentStyle), {
|
||
|
|
transform: "translate3d(".concat(_x, "px, ").concat(_y, "px, 0)")
|
||
|
|
});
|
||
|
|
};
|
||
|
|
if (both) {
|
||
|
|
setTransform(calculateTranslateVal(first.cols, this.itemSize[1]), calculateTranslateVal(first.rows, this.itemSize[0]));
|
||
|
|
} else {
|
||
|
|
var translateVal = calculateTranslateVal(first, this.itemSize);
|
||
|
|
horizontal ? setTransform(translateVal, 0) : setTransform(0, translateVal);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
onScrollPositionChange: function onScrollPositionChange(event) {
|
||
|
|
var _this8 = this;
|
||
|
|
var target = event.target;
|
||
|
|
var both = this.isBoth();
|
||
|
|
var horizontal = this.isHorizontal();
|
||
|
|
var contentPos = this.getContentPosition();
|
||
|
|
var calculateScrollPos = function calculateScrollPos(_pos, _cpos) {
|
||
|
|
return _pos ? _pos > _cpos ? _pos - _cpos : _pos : 0;
|
||
|
|
};
|
||
|
|
var calculateCurrentIndex = function calculateCurrentIndex(_pos, _size) {
|
||
|
|
return Math.floor(_pos / (_size || _pos));
|
||
|
|
};
|
||
|
|
var calculateTriggerIndex = function calculateTriggerIndex(_currentIndex, _first, _last, _num, _numT, _isScrollDownOrRight) {
|
||
|
|
return _currentIndex <= _numT ? _numT : _isScrollDownOrRight ? _last - _num - _numT : _first + _numT - 1;
|
||
|
|
};
|
||
|
|
var calculateFirst = function calculateFirst(_currentIndex, _triggerIndex, _first, _last, _num, _numT, _isScrollDownOrRight, _isCols) {
|
||
|
|
if (_currentIndex <= _numT) return 0;
|
||
|
|
var firstValue = Math.max(0, _isScrollDownOrRight ? _currentIndex < _triggerIndex ? _first : _currentIndex - _numT : _currentIndex > _triggerIndex ? _first : _currentIndex - 2 * _numT);
|
||
|
|
var maxFirst = _this8.getLast(firstValue, _isCols);
|
||
|
|
if (firstValue > maxFirst) return maxFirst - _num;else return firstValue;
|
||
|
|
};
|
||
|
|
var calculateLast = function calculateLast(_currentIndex, _first, _last, _num, _numT, _isCols) {
|
||
|
|
var lastValue = _first + _num + 2 * _numT;
|
||
|
|
if (_currentIndex >= _numT) {
|
||
|
|
lastValue += _numT + 1;
|
||
|
|
}
|
||
|
|
return _this8.getLast(lastValue, _isCols);
|
||
|
|
};
|
||
|
|
var scrollTop = calculateScrollPos(target.scrollTop, contentPos.top);
|
||
|
|
var scrollLeft = calculateScrollPos(target.scrollLeft, contentPos.left);
|
||
|
|
var newFirst = both ? {
|
||
|
|
rows: 0,
|
||
|
|
cols: 0
|
||
|
|
} : 0;
|
||
|
|
var newLast = this.last;
|
||
|
|
var isRangeChanged = false;
|
||
|
|
var newScrollPos = this.lastScrollPos;
|
||
|
|
if (both) {
|
||
|
|
var isScrollDown = this.lastScrollPos.top <= scrollTop;
|
||
|
|
var isScrollRight = this.lastScrollPos.left <= scrollLeft;
|
||
|
|
if (!this.appendOnly || this.appendOnly && (isScrollDown || isScrollRight)) {
|
||
|
|
var currentIndex = {
|
||
|
|
rows: calculateCurrentIndex(scrollTop, this.itemSize[0]),
|
||
|
|
cols: calculateCurrentIndex(scrollLeft, this.itemSize[1])
|
||
|
|
};
|
||
|
|
var triggerIndex = {
|
||
|
|
rows: calculateTriggerIndex(currentIndex.rows, this.first.rows, this.last.rows, this.numItemsInViewport.rows, this.d_numToleratedItems[0], isScrollDown),
|
||
|
|
cols: calculateTriggerIndex(currentIndex.cols, this.first.cols, this.last.cols, this.numItemsInViewport.cols, this.d_numToleratedItems[1], isScrollRight)
|
||
|
|
};
|
||
|
|
newFirst = {
|
||
|
|
rows: calculateFirst(currentIndex.rows, triggerIndex.rows, this.first.rows, this.last.rows, this.numItemsInViewport.rows, this.d_numToleratedItems[0], isScrollDown),
|
||
|
|
cols: calculateFirst(currentIndex.cols, triggerIndex.cols, this.first.cols, this.last.cols, this.numItemsInViewport.cols, this.d_numToleratedItems[1], isScrollRight, true)
|
||
|
|
};
|
||
|
|
newLast = {
|
||
|
|
rows: calculateLast(currentIndex.rows, newFirst.rows, this.last.rows, this.numItemsInViewport.rows, this.d_numToleratedItems[0]),
|
||
|
|
cols: calculateLast(currentIndex.cols, newFirst.cols, this.last.cols, this.numItemsInViewport.cols, this.d_numToleratedItems[1], true)
|
||
|
|
};
|
||
|
|
isRangeChanged = newFirst.rows !== this.first.rows || newLast.rows !== this.last.rows || newFirst.cols !== this.first.cols || newLast.cols !== this.last.cols || this.isRangeChanged;
|
||
|
|
newScrollPos = {
|
||
|
|
top: scrollTop,
|
||
|
|
left: scrollLeft
|
||
|
|
};
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
var scrollPos = horizontal ? scrollLeft : scrollTop;
|
||
|
|
var isScrollDownOrRight = this.lastScrollPos <= scrollPos;
|
||
|
|
if (!this.appendOnly || this.appendOnly && isScrollDownOrRight) {
|
||
|
|
var _currentIndex2 = calculateCurrentIndex(scrollPos, this.itemSize);
|
||
|
|
var _triggerIndex2 = calculateTriggerIndex(_currentIndex2, this.first, this.last, this.numItemsInViewport, this.d_numToleratedItems, isScrollDownOrRight);
|
||
|
|
newFirst = calculateFirst(_currentIndex2, _triggerIndex2, this.first, this.last, this.numItemsInViewport, this.d_numToleratedItems, isScrollDownOrRight);
|
||
|
|
newLast = calculateLast(_currentIndex2, newFirst, this.last, this.numItemsInViewport, this.d_numToleratedItems);
|
||
|
|
isRangeChanged = newFirst !== this.first || newLast !== this.last || this.isRangeChanged;
|
||
|
|
newScrollPos = scrollPos;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
first: newFirst,
|
||
|
|
last: newLast,
|
||
|
|
isRangeChanged: isRangeChanged,
|
||
|
|
scrollPos: newScrollPos
|
||
|
|
};
|
||
|
|
},
|
||
|
|
onScrollChange: function onScrollChange(event) {
|
||
|
|
var _this$onScrollPositio = this.onScrollPositionChange(event),
|
||
|
|
first = _this$onScrollPositio.first,
|
||
|
|
last = _this$onScrollPositio.last,
|
||
|
|
isRangeChanged = _this$onScrollPositio.isRangeChanged,
|
||
|
|
scrollPos = _this$onScrollPositio.scrollPos;
|
||
|
|
if (isRangeChanged) {
|
||
|
|
var newState = {
|
||
|
|
first: first,
|
||
|
|
last: last
|
||
|
|
};
|
||
|
|
this.setContentPosition(newState);
|
||
|
|
this.first = first;
|
||
|
|
this.last = last;
|
||
|
|
this.lastScrollPos = scrollPos;
|
||
|
|
this.$emit('scroll-index-change', newState);
|
||
|
|
if (this.lazy && this.isPageChanged(first)) {
|
||
|
|
var _this$items2, _this$items3;
|
||
|
|
var lazyLoadState = {
|
||
|
|
first: this.step ? Math.min(this.getPageByFirst(first) * this.step, (((_this$items2 = this.items) === null || _this$items2 === void 0 ? void 0 : _this$items2.length) || 0) - this.step) : first,
|
||
|
|
last: Math.min(this.step ? (this.getPageByFirst(first) + 1) * this.step : last, ((_this$items3 = this.items) === null || _this$items3 === void 0 ? void 0 : _this$items3.length) || 0)
|
||
|
|
};
|
||
|
|
var isLazyStateChanged = this.lazyLoadState.first !== lazyLoadState.first || this.lazyLoadState.last !== lazyLoadState.last;
|
||
|
|
isLazyStateChanged && this.$emit('lazy-load', lazyLoadState);
|
||
|
|
this.lazyLoadState = lazyLoadState;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
onScroll: function onScroll(event) {
|
||
|
|
var _this9 = this;
|
||
|
|
this.$emit('scroll', event);
|
||
|
|
if (this.delay) {
|
||
|
|
if (this.scrollTimeout) {
|
||
|
|
clearTimeout(this.scrollTimeout);
|
||
|
|
}
|
||
|
|
if (this.isPageChanged()) {
|
||
|
|
if (!this.d_loading && this.showLoader) {
|
||
|
|
var _this$onScrollPositio2 = this.onScrollPositionChange(event),
|
||
|
|
isRangeChanged = _this$onScrollPositio2.isRangeChanged;
|
||
|
|
var changed = isRangeChanged || (this.step ? this.isPageChanged() : false);
|
||
|
|
changed && (this.d_loading = true);
|
||
|
|
}
|
||
|
|
this.scrollTimeout = setTimeout(function () {
|
||
|
|
_this9.onScrollChange(event);
|
||
|
|
if (_this9.d_loading && _this9.showLoader && (!_this9.lazy || _this9.loading === undefined)) {
|
||
|
|
_this9.d_loading = false;
|
||
|
|
_this9.page = _this9.getPageByFirst();
|
||
|
|
}
|
||
|
|
}, this.delay);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
this.onScrollChange(event);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
onResize: function onResize() {
|
||
|
|
var _this0 = this;
|
||
|
|
if (this.resizeTimeout) {
|
||
|
|
clearTimeout(this.resizeTimeout);
|
||
|
|
}
|
||
|
|
this.resizeTimeout = setTimeout(function () {
|
||
|
|
if (isVisible(_this0.element)) {
|
||
|
|
var both = _this0.isBoth();
|
||
|
|
var vertical = _this0.isVertical();
|
||
|
|
var horizontal = _this0.isHorizontal();
|
||
|
|
var _ref3 = [getWidth(_this0.element), getHeight(_this0.element)],
|
||
|
|
width = _ref3[0],
|
||
|
|
height = _ref3[1];
|
||
|
|
var isDiffWidth = width !== _this0.defaultWidth,
|
||
|
|
isDiffHeight = height !== _this0.defaultHeight;
|
||
|
|
var reinit = both ? isDiffWidth || isDiffHeight : horizontal ? isDiffWidth : vertical ? isDiffHeight : false;
|
||
|
|
if (reinit) {
|
||
|
|
_this0.d_numToleratedItems = _this0.numToleratedItems;
|
||
|
|
_this0.defaultWidth = width;
|
||
|
|
_this0.defaultHeight = height;
|
||
|
|
_this0.defaultContentWidth = getWidth(_this0.content);
|
||
|
|
_this0.defaultContentHeight = getHeight(_this0.content);
|
||
|
|
_this0.init();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}, this.resizeDelay);
|
||
|
|
},
|
||
|
|
bindResizeListener: function bindResizeListener() {
|
||
|
|
var _this1 = this;
|
||
|
|
if (!this.resizeListener) {
|
||
|
|
this.resizeListener = this.onResize.bind(this);
|
||
|
|
window.addEventListener('resize', this.resizeListener);
|
||
|
|
window.addEventListener('orientationchange', this.resizeListener);
|
||
|
|
this.resizeObserver = new ResizeObserver(function () {
|
||
|
|
_this1.onResize();
|
||
|
|
});
|
||
|
|
this.resizeObserver.observe(this.element);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
unbindResizeListener: function unbindResizeListener() {
|
||
|
|
if (this.resizeListener) {
|
||
|
|
window.removeEventListener('resize', this.resizeListener);
|
||
|
|
window.removeEventListener('orientationchange', this.resizeListener);
|
||
|
|
this.resizeListener = null;
|
||
|
|
}
|
||
|
|
if (this.resizeObserver) {
|
||
|
|
this.resizeObserver.disconnect();
|
||
|
|
this.resizeObserver = null;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
getOptions: function getOptions(renderedIndex) {
|
||
|
|
var count = (this.items || []).length;
|
||
|
|
var index = this.isBoth() ? this.first.rows + renderedIndex : this.first + renderedIndex;
|
||
|
|
return {
|
||
|
|
index: index,
|
||
|
|
count: count,
|
||
|
|
first: index === 0,
|
||
|
|
last: index === count - 1,
|
||
|
|
even: index % 2 === 0,
|
||
|
|
odd: index % 2 !== 0
|
||
|
|
};
|
||
|
|
},
|
||
|
|
getLoaderOptions: function getLoaderOptions(index, extOptions) {
|
||
|
|
var count = this.loaderArr.length;
|
||
|
|
return _objectSpread({
|
||
|
|
index: index,
|
||
|
|
count: count,
|
||
|
|
first: index === 0,
|
||
|
|
last: index === count - 1,
|
||
|
|
even: index % 2 === 0,
|
||
|
|
odd: index % 2 !== 0
|
||
|
|
}, extOptions);
|
||
|
|
},
|
||
|
|
getPageByFirst: function getPageByFirst(first) {
|
||
|
|
return Math.floor(((first !== null && first !== void 0 ? first : this.first) + this.d_numToleratedItems * 4) / (this.step || 1));
|
||
|
|
},
|
||
|
|
isPageChanged: function isPageChanged(first) {
|
||
|
|
return this.step && !this.lazy ? this.page !== this.getPageByFirst(first !== null && first !== void 0 ? first : this.first) : true;
|
||
|
|
},
|
||
|
|
setContentEl: function setContentEl(el) {
|
||
|
|
this.content = el || this.content || findSingle(this.element, '[data-pc-section="content"]');
|
||
|
|
},
|
||
|
|
elementRef: function elementRef(el) {
|
||
|
|
this.element = el;
|
||
|
|
},
|
||
|
|
contentRef: function contentRef(el) {
|
||
|
|
this.content = el;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
computed: {
|
||
|
|
containerClass: function containerClass() {
|
||
|
|
return ['p-virtualscroller', this["class"], {
|
||
|
|
'p-virtualscroller-inline': this.inline,
|
||
|
|
'p-virtualscroller-both p-both-scroll': this.isBoth(),
|
||
|
|
'p-virtualscroller-horizontal p-horizontal-scroll': this.isHorizontal()
|
||
|
|
}];
|
||
|
|
},
|
||
|
|
contentClass: function contentClass() {
|
||
|
|
return ['p-virtualscroller-content', {
|
||
|
|
'p-virtualscroller-loading': this.d_loading
|
||
|
|
}];
|
||
|
|
},
|
||
|
|
loaderClass: function loaderClass() {
|
||
|
|
return ['p-virtualscroller-loader', {
|
||
|
|
'p-virtualscroller-loader-mask': !this.$slots.loader
|
||
|
|
}];
|
||
|
|
},
|
||
|
|
loadedItems: function loadedItems() {
|
||
|
|
var _this10 = this;
|
||
|
|
if (this.items && !this.d_loading) {
|
||
|
|
if (this.isBoth()) return this.items.slice(this.appendOnly ? 0 : this.first.rows, this.last.rows).map(function (item) {
|
||
|
|
return _this10.columns ? item : item.slice(_this10.appendOnly ? 0 : _this10.first.cols, _this10.last.cols);
|
||
|
|
});else if (this.isHorizontal() && this.columns) return this.items;else return this.items.slice(this.appendOnly ? 0 : this.first, this.last);
|
||
|
|
}
|
||
|
|
return [];
|
||
|
|
},
|
||
|
|
loadedRows: function loadedRows() {
|
||
|
|
return this.d_loading ? this.loaderDisabled ? this.loaderArr : [] : this.loadedItems;
|
||
|
|
},
|
||
|
|
loadedColumns: function loadedColumns() {
|
||
|
|
if (this.columns) {
|
||
|
|
var both = this.isBoth();
|
||
|
|
var horizontal = this.isHorizontal();
|
||
|
|
if (both || horizontal) {
|
||
|
|
return this.d_loading && this.loaderDisabled ? both ? this.loaderArr[0] : this.loaderArr : this.columns.slice(both ? this.first.cols : this.first, both ? this.last.cols : this.last);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this.columns;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
components: {
|
||
|
|
SpinnerIcon: SpinnerIcon
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
var _hoisted_1 = ["tabindex"];
|
||
|
|
function render(_ctx, _cache, $props, $setup, $data, $options) {
|
||
|
|
var _component_SpinnerIcon = resolveComponent("SpinnerIcon");
|
||
|
|
return !_ctx.disabled ? (openBlock(), createElementBlock("div", mergeProps({
|
||
|
|
key: 0,
|
||
|
|
ref: $options.elementRef,
|
||
|
|
"class": $options.containerClass,
|
||
|
|
tabindex: _ctx.tabindex,
|
||
|
|
style: _ctx.style,
|
||
|
|
onScroll: _cache[0] || (_cache[0] = function () {
|
||
|
|
return $options.onScroll && $options.onScroll.apply($options, arguments);
|
||
|
|
})
|
||
|
|
}, _ctx.ptmi('root')), [renderSlot(_ctx.$slots, "content", {
|
||
|
|
styleClass: $options.contentClass,
|
||
|
|
items: $options.loadedItems,
|
||
|
|
getItemOptions: $options.getOptions,
|
||
|
|
loading: $data.d_loading,
|
||
|
|
getLoaderOptions: $options.getLoaderOptions,
|
||
|
|
itemSize: _ctx.itemSize,
|
||
|
|
rows: $options.loadedRows,
|
||
|
|
columns: $options.loadedColumns,
|
||
|
|
contentRef: $options.contentRef,
|
||
|
|
spacerStyle: $data.spacerStyle,
|
||
|
|
contentStyle: $data.contentStyle,
|
||
|
|
vertical: $options.isVertical(),
|
||
|
|
horizontal: $options.isHorizontal(),
|
||
|
|
both: $options.isBoth()
|
||
|
|
}, function () {
|
||
|
|
return [createElementVNode("div", mergeProps({
|
||
|
|
ref: $options.contentRef,
|
||
|
|
"class": $options.contentClass,
|
||
|
|
style: $data.contentStyle
|
||
|
|
}, _ctx.ptm('content')), [(openBlock(true), createElementBlock(Fragment, null, renderList($options.loadedItems, function (item, index) {
|
||
|
|
return renderSlot(_ctx.$slots, "item", {
|
||
|
|
key: index,
|
||
|
|
item: item,
|
||
|
|
options: $options.getOptions(index)
|
||
|
|
});
|
||
|
|
}), 128))], 16)];
|
||
|
|
}), _ctx.showSpacer ? (openBlock(), createElementBlock("div", mergeProps({
|
||
|
|
key: 0,
|
||
|
|
"class": "p-virtualscroller-spacer",
|
||
|
|
style: $data.spacerStyle
|
||
|
|
}, _ctx.ptm('spacer')), null, 16)) : createCommentVNode("", true), !_ctx.loaderDisabled && _ctx.showLoader && $data.d_loading ? (openBlock(), createElementBlock("div", mergeProps({
|
||
|
|
key: 1,
|
||
|
|
"class": $options.loaderClass
|
||
|
|
}, _ctx.ptm('loader')), [_ctx.$slots && _ctx.$slots.loader ? (openBlock(true), createElementBlock(Fragment, {
|
||
|
|
key: 0
|
||
|
|
}, renderList($data.loaderArr, function (_, index) {
|
||
|
|
return renderSlot(_ctx.$slots, "loader", {
|
||
|
|
key: index,
|
||
|
|
options: $options.getLoaderOptions(index, $options.isBoth() && {
|
||
|
|
numCols: _ctx.d_numItemsInViewport.cols
|
||
|
|
})
|
||
|
|
});
|
||
|
|
}), 128)) : createCommentVNode("", true), renderSlot(_ctx.$slots, "loadingicon", {}, function () {
|
||
|
|
return [createVNode(_component_SpinnerIcon, mergeProps({
|
||
|
|
spin: "",
|
||
|
|
"class": "p-virtualscroller-loading-icon"
|
||
|
|
}, _ctx.ptm('loadingIcon')), null, 16)];
|
||
|
|
})], 16)) : createCommentVNode("", true)], 16, _hoisted_1)) : (openBlock(), createElementBlock(Fragment, {
|
||
|
|
key: 1
|
||
|
|
}, [renderSlot(_ctx.$slots, "default"), renderSlot(_ctx.$slots, "content", {
|
||
|
|
items: _ctx.items,
|
||
|
|
rows: _ctx.items,
|
||
|
|
columns: $options.loadedColumns
|
||
|
|
})], 64));
|
||
|
|
}
|
||
|
|
|
||
|
|
script.render = render;
|
||
|
|
|
||
|
|
export { script as default };
|
||
|
|
//# sourceMappingURL=index.mjs.map
|