373 lines
No EOL
8.9 KiB
JavaScript
373 lines
No EOL
8.9 KiB
JavaScript
// Helpers
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import { wrapInArray, sortItems, deepEqual, groupByProperty, searchItems } from '../../util/helpers';
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import Vue from 'vue';
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export default Vue.extend({
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name: 'v-data',
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inheritAttrs: false,
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props: {
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items: {
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type: Array,
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default: () => []
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},
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options: {
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type: Object,
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default: () => ({})
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},
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sortBy: {
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type: [String, Array],
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default: () => []
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},
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sortDesc: {
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type: [Boolean, Array],
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default: () => []
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},
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customSort: {
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type: Function,
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default: sortItems
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},
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mustSort: Boolean,
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multiSort: Boolean,
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page: {
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type: Number,
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default: 1
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},
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itemsPerPage: {
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type: Number,
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default: 10
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},
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groupBy: {
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type: [String, Array],
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default: () => []
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},
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groupDesc: {
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type: [Boolean, Array],
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default: () => []
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},
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locale: {
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type: String,
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default: 'en-US'
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},
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disableSort: Boolean,
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disablePagination: Boolean,
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disableFiltering: Boolean,
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search: String,
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customFilter: {
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type: Function,
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default: searchItems
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},
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serverItemsLength: {
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type: Number,
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default: -1
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}
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},
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data() {
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return {
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internalOptions: {
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page: this.page,
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itemsPerPage: this.itemsPerPage,
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sortBy: wrapInArray(this.sortBy),
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sortDesc: wrapInArray(this.sortDesc),
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groupBy: wrapInArray(this.groupBy),
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groupDesc: wrapInArray(this.groupDesc),
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mustSort: this.mustSort,
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multiSort: this.multiSort
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}
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};
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},
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computed: {
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itemsLength() {
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return this.serverItemsLength >= 0 ? this.serverItemsLength : this.filteredItems.length;
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},
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pageCount() {
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return this.internalOptions.itemsPerPage === -1 ? 1 : Math.ceil(this.itemsLength / this.internalOptions.itemsPerPage); // TODO: can't use items.length here
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},
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pageStart() {
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if (this.internalOptions.itemsPerPage === -1 || !this.items.length) return 0;
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return (this.internalOptions.page - 1) * this.internalOptions.itemsPerPage;
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},
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pageStop() {
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if (this.internalOptions.itemsPerPage === -1) return this.itemsLength;
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if (!this.items.length) return 0;
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return Math.min(this.itemsLength, this.internalOptions.page * this.internalOptions.itemsPerPage);
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},
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isGrouped() {
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return !!this.internalOptions.groupBy.length;
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},
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pagination() {
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return {
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page: this.internalOptions.page,
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itemsPerPage: this.internalOptions.itemsPerPage,
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pageStart: this.pageStart,
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pageStop: this.pageStop,
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pageCount: this.pageCount,
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itemsLength: this.itemsLength
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};
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},
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filteredItems() {
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let items = this.items.slice();
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if (!this.disableFiltering && this.serverItemsLength <= 0) {
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items = this.customFilter(items, this.search);
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}
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return items;
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},
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computedItems() {
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let items = this.filteredItems.slice();
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if (!this.disableSort && this.serverItemsLength <= 0) {
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items = this.sortItems(items);
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}
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if (!this.disablePagination && this.serverItemsLength <= 0) {
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items = this.paginateItems(items);
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}
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return items;
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},
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groupedItems() {
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return this.isGrouped ? groupByProperty(this.computedItems, this.internalOptions.groupBy[0]) : null;
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},
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scopedProps() {
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const props = {
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sort: this.sort,
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sortArray: this.sortArray,
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group: this.group,
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items: this.computedItems,
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options: this.internalOptions,
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updateOptions: this.updateOptions,
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pagination: this.pagination,
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groupedItems: this.groupedItems
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};
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return props;
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}
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},
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watch: {
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options: {
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handler(options, old) {
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if (deepEqual(options, old)) return;
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this.updateOptions(options);
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},
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deep: true,
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immediate: true
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},
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internalOptions: {
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handler(options, old) {
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if (deepEqual(options, old)) return;
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this.$emit('update:options', options);
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this.$emit('pagination', this.pagination);
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},
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deep: true,
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immediate: true
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},
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page(page) {
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this.updateOptions({
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page
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});
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},
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'internalOptions.page'(page) {
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this.$emit('update:page', page);
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},
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itemsPerPage(itemsPerPage) {
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this.updateOptions({
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itemsPerPage
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});
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},
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'internalOptions.itemsPerPage'(itemsPerPage) {
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this.$emit('update:items-per-page', itemsPerPage);
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},
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sortBy(sortBy) {
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this.updateOptions({
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sortBy: wrapInArray(sortBy)
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});
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},
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'internalOptions.sortBy'(sortBy, old) {
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!deepEqual(sortBy, old) && this.$emit('update:sort-by', Array.isArray(this.sortBy) ? sortBy : sortBy[0]);
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},
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sortDesc(sortDesc) {
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this.updateOptions({
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sortDesc: wrapInArray(sortDesc)
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});
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},
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'internalOptions.sortDesc'(sortDesc, old) {
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!deepEqual(sortDesc, old) && this.$emit('update:sort-desc', Array.isArray(this.sortDesc) ? sortDesc : sortDesc[0]);
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},
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groupBy(groupBy) {
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this.updateOptions({
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groupBy: wrapInArray(groupBy)
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});
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},
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'internalOptions.groupBy'(groupBy, old) {
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!deepEqual(groupBy, old) && this.$emit('update:group-by', Array.isArray(this.groupBy) ? groupBy : groupBy[0]);
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},
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groupDesc(groupDesc) {
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this.updateOptions({
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groupDesc: wrapInArray(groupDesc)
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});
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},
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'internalOptions.groupDesc'(groupDesc, old) {
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!deepEqual(groupDesc, old) && this.$emit('update:group-desc', Array.isArray(this.groupDesc) ? groupDesc : groupDesc[0]);
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},
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multiSort(multiSort) {
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this.updateOptions({
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multiSort
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});
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},
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'internalOptions.multiSort'(multiSort) {
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this.$emit('update:multi-sort', multiSort);
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},
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mustSort(mustSort) {
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this.updateOptions({
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mustSort
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});
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},
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'internalOptions.mustSort'(mustSort) {
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this.$emit('update:must-sort', mustSort);
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},
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pageCount: {
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handler(pageCount) {
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this.$emit('page-count', pageCount);
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},
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immediate: true
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},
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computedItems: {
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handler(computedItems) {
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this.$emit('current-items', computedItems);
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},
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immediate: true
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}
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},
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methods: {
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toggle(key, oldBy, oldDesc, page, mustSort, multiSort) {
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let by = oldBy.slice();
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let desc = oldDesc.slice();
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const byIndex = by.findIndex(k => k === key);
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if (byIndex < 0) {
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if (!multiSort) {
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by = [];
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desc = [];
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}
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by.push(key);
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desc.push(false);
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} else if (byIndex >= 0 && !desc[byIndex]) {
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desc[byIndex] = true;
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} else if (!mustSort) {
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by.splice(byIndex, 1);
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desc.splice(byIndex, 1);
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} else {
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desc[byIndex] = false;
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} // Reset page to 1 if sortBy or sortDesc have changed
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if (!deepEqual(by, oldBy) || !deepEqual(desc, oldDesc)) {
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page = 1;
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}
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return {
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by,
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desc,
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page
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};
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},
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group(key) {
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const {
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by: groupBy,
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desc: groupDesc,
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page
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} = this.toggle(key, this.internalOptions.groupBy, this.internalOptions.groupDesc, this.internalOptions.page, true, false);
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this.updateOptions({
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groupBy,
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groupDesc,
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page
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});
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},
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sort(key) {
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if (Array.isArray(key)) return this.sortArray(key);
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const {
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by: sortBy,
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desc: sortDesc,
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page
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} = this.toggle(key, this.internalOptions.sortBy, this.internalOptions.sortDesc, this.internalOptions.page, this.mustSort, this.multiSort);
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this.updateOptions({
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sortBy,
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sortDesc,
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page
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});
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},
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sortArray(sortBy) {
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const sortDesc = sortBy.map(s => {
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const i = this.internalOptions.sortBy.findIndex(k => k === s);
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return i > -1 ? this.internalOptions.sortDesc[i] : false;
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});
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this.updateOptions({
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sortBy,
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sortDesc
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});
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},
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updateOptions(options) {
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this.internalOptions = { ...this.internalOptions,
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...options,
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page: Math.max(1, Math.min(options.page || this.internalOptions.page, this.pageCount))
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};
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},
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sortItems(items) {
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const sortBy = this.internalOptions.groupBy.concat(this.internalOptions.sortBy);
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const sortDesc = this.internalOptions.groupDesc.concat(this.internalOptions.sortDesc);
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return this.customSort(items, sortBy, sortDesc, this.locale);
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},
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paginateItems(items) {
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// Make sure we don't try to display non-existant page if items suddenly change
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// TODO: Could possibly move this to pageStart/pageStop?
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if (items.length < this.pageStart) this.internalOptions.page = 1;
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return items.slice(this.pageStart, this.pageStop);
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}
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},
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render() {
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return this.$scopedSlots.default && this.$scopedSlots.default(this.scopedProps);
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}
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});
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//# sourceMappingURL=VData.js.map
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