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160 changes: 160 additions & 0 deletions
160
services/ucd-lib-client/client/public/elements/utils/app-browse-by.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| import { LitElement } from 'lit-element'; | ||
| import render from "./app-browse-by.tpl.js"; | ||
|
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| import "@ucd-lib/cork-pagination"; | ||
|
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| /** | ||
| * @class AppBrowseBy | ||
| * @description base class for the browse by [facet] page elements | ||
| * | ||
| * Bound to app-state-update, rendering when the url matches /browse/[id] where | ||
| * element id is. You must provide facet-query-name and label as well. | ||
| * | ||
| * Three slots are available for images; 'header-icon', 'left-image' and 'right-image' | ||
| * | ||
| * @property {String} id required so page is rendered on correct app-state-update event | ||
| * @property {String} facet-query-name the record property to be queried on | ||
| * @property {String} label nice label text for query facet | ||
| * @property {Array} sortByOptions override this property to change the default sorts | ||
| */ | ||
| export default class AppBrowseBy extends Mixin(LitElement) | ||
| .with(LitCorkUtils) { | ||
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| static get properties() { | ||
| return { | ||
| facetQueryName : {type: String, attribute: 'facet-query-name'}, | ||
| label : {type: String}, | ||
| sortByOptions : {type: Array}, | ||
| results : {type: Array}, | ||
| totalResults : {type: Number}, | ||
| resultsPerPage : {type: Number}, | ||
| currentIndex : {type: Number} | ||
| }; | ||
| } | ||
|
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| constructor() { | ||
| super(); | ||
| this.render = render.bind(this); | ||
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| this.sortByOptions = [ | ||
| {label : 'A-Z', type: 'key', dir : 'asc', selected: true}, | ||
| {label : 'Item Quantity', dir : 'dsc', type: 'count'} | ||
| ]; | ||
|
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| this.reset(); | ||
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| this._injectModel('BrowseByModel', 'AppStateModel', 'RecordModel'); | ||
| } | ||
|
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| /** | ||
| * @method reset | ||
| * @description reset search properties | ||
| */ | ||
| reset() { | ||
| this.results = []; | ||
| this.totalResults = 0; | ||
| this.resultsPerPage = 20; | ||
| this.currentIndex = 0; | ||
| this.label = ''; | ||
| } | ||
|
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| /** | ||
| * @method _onAppStateUpdate | ||
| * @description bound to AppStateModel app-state-update event | ||
| * | ||
| * @param {Object} e | ||
| * @returns {Promise} | ||
| */ | ||
| async _onAppStateUpdate(e) { | ||
| if( e.location.page !== 'browse' ) return; | ||
| if( e.location.path.length < 2 ) return; | ||
| if( e.location.path[1] !== this.id ) return; // the page | ||
|
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| if( this.totalResults === 0 ) { | ||
| this.loading = true; | ||
| this.allResults = await this.BrowseByModel.getFacets(this.facetQueryName); | ||
| this.totalResults = this.allResults.payload.length; | ||
| this.loading = false; | ||
| } | ||
|
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| if( e.location.path.length > 2 ) { | ||
| this.currentIndex = parseInt(e.location.path[2]); | ||
| } else { | ||
| this.currentIndex = 0; | ||
| } | ||
|
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| let sort = 0; | ||
| if( e.location.path.length > 2 ) { | ||
| sort = parseInt(e.location.path[2]); | ||
| } | ||
| this.sortByOptions.forEach((item, index) => item.selected = (sort === index)); | ||
|
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| this._renderResults(); | ||
| } | ||
|
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| /** | ||
| * @method _renderResults | ||
| * @description render the results array based on currentPage and sort | ||
| * params | ||
| */ | ||
| _renderResults() { | ||
| let sort = this.sortByOptions.find(item => item.selected); | ||
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| if( this.sortedAs !== sort.type ) { | ||
| this.allResults.payload.sort((a, b) => { | ||
| if( a[sort.type] > b[sort.type] ) return (sort.dir === 'asc') ? 1 : -1; | ||
| if( a[sort.type] < b[sort.type] ) return (sort.dir === 'asc') ? -1 : 1; | ||
| return 0; | ||
| }); | ||
| this.sortedAs = sort.type; | ||
| } | ||
|
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| this.results = this.allResults.payload.slice( | ||
| this.currentIndex, | ||
| this.currentIndex + this.resultsPerPage | ||
| ); | ||
|
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| this.requestUpdate(); | ||
| } | ||
|
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| /** | ||
| * @method _onPaginationNav | ||
| * @description bound to cork-pagination nav event | ||
| * | ||
| * @param {Object} e | ||
| */ | ||
| _onPaginationNav(e) { | ||
| this.currentIndex = (e.detail.page-1) * this.resultsPerPage; | ||
| this._renderResults(); | ||
| } | ||
|
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| /** | ||
| * @method _onSortChange | ||
| * @description bound to sort radio button change events | ||
| * | ||
| * @param {Object} e | ||
| */ | ||
| _onSortChange(e) { | ||
| let sortIndex = parseInt(e.currentTarget.getAttribute('index')); | ||
| this.sortByOptions.forEach((item, index) => item.selected = (index === sortIndex)); | ||
| this.currentIndex = 0; | ||
| this._renderResults(); | ||
| } | ||
|
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| /** | ||
| * @method getFilterUrl | ||
| * @description used by UI to create anchor tag urls for search queries | ||
| * based on given facet | ||
| * | ||
| * @param {Object} item facet result item | ||
| * @returns {String} | ||
| */ | ||
| getFilterUrl(item) { | ||
| let searchDocument = this.RecordModel.emptySearchDocument(); | ||
| this.RecordModel.appendKeywordFilter(searchDocument, this.facetQueryName, item.key); | ||
| return '/search/'+this.RecordModel.searchDocumentToUrl(searchDocument); | ||
| } | ||
|
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| } | ||
|
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| customElements.define('app-browse-by', AppBrowseBy); |
95 changes: 95 additions & 0 deletions
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services/ucd-lib-client/client/public/elements/utils/app-browse-by.tpl.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| import { html } from 'lit-element'; | ||
|
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| export default function render() { | ||
| return html` | ||
| <style> | ||
| :host { | ||
| display: block; | ||
| } | ||
| .header { | ||
| display: flex; | ||
| justify-content : center; | ||
| } | ||
| .sort { | ||
| display: flex; | ||
| align-items: center; | ||
| } | ||
| .body { | ||
| display: flex; | ||
| } | ||
| .results { | ||
| width: 100%; | ||
| box-sizing: border-box; | ||
| max-width: 400px; | ||
| } | ||
| .results > * { | ||
| display: flex; | ||
| box-sizing: border-box; | ||
| width: 100%; | ||
| } | ||
| .results > * > *:first-child { | ||
| flex: 1; | ||
| } | ||
| </style> | ||
| <div class="header"> | ||
| <div> | ||
| <div><slot name="header-icon"></slot></div> | ||
| <div> | ||
| <h1>Browse <span>${this.label}s</span></h1> | ||
| </div> | ||
| <div class="sort"> | ||
| <div>Sort By:</div> | ||
| ${this.sortByOptions.map((item, index) => html` | ||
| <div> | ||
| <input type="radio" | ||
| id="browse-by-${this.facetQueryName}-${item.label}" | ||
| name="browse-by-${this.facetQueryName}" | ||
| index="${index}" | ||
| .checked="${item.selected}" | ||
| @change="${this._onSortChange}" /> | ||
| <label for="browse-by-${this.facetQueryName}-${item.label}">${item.label}</label> | ||
| </div> | ||
| `)} | ||
| </div> | ||
| </div> | ||
| </div> | ||
| <div class="body"> | ||
| <div style="flex: 1"> | ||
| <slot name="left-image"></slot> | ||
| </div> | ||
| <div class="results"> | ||
| <h5> | ||
| <div>${this.label}</div> | ||
| <div>Items</div> | ||
| </h5> | ||
| ${this.results.map(item => html` | ||
| <div> | ||
| <div><a href="${this.getFilterUrl(item)}">${item.key}</a></div> | ||
| <div>${item.count}</div> | ||
| </div> | ||
| `)} | ||
| </div> | ||
| <div style="flex: 1"> | ||
| <slot name="right-image"></slot> | ||
| </div> | ||
| </div> | ||
| <cork-pagination | ||
| total-results="${this.totalResults}" | ||
| items-per-page="${this.resultsPerPage}" | ||
| current-index="${this.currentIndex}" | ||
| @nav="${this._onPaginationNav}"> | ||
| </cork-pagination> | ||
| `;} |
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