79 lines
No EOL
2.6 KiB
JavaScript
79 lines
No EOL
2.6 KiB
JavaScript
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class BreadcrumbListing {
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constructor(elem) {
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this.elem = elem;
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this.searchInput = elem.querySelector('input');
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this.loadingElem = elem.querySelector('.loading-container');
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this.entityListElem = elem.querySelector('.breadcrumb-listing-entity-list');
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this.toggleElem = elem.querySelector('[dropdown-toggle]');
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// this.loadingElem.style.display = 'none';
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const entityDescriptor = elem.getAttribute('breadcrumb-listing').split(':');
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this.entityType = entityDescriptor[0];
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this.entityId = Number(entityDescriptor[1]);
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this.toggleElem.addEventListener('click', this.onShow.bind(this));
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this.searchInput.addEventListener('input', this.onSearch.bind(this));
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this.elem.addEventListener('keydown', this.keyDown.bind(this));
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}
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keyDown(event) {
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if (event.key === 'ArrowDown') {
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this.listFocusChange(1);
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event.preventDefault();
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} else if (event.key === 'ArrowUp') {
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this.listFocusChange(-1);
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event.preventDefault();
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}
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}
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listFocusChange(indexChange = 1) {
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const links = Array.from(this.entityListElem.querySelectorAll('a:not(.hidden)'));
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const currentFocused = this.entityListElem.querySelector('a:focus');
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const currentFocusedIndex = links.indexOf(currentFocused);
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const defaultFocus = (indexChange > 0) ? links[0] : this.searchInput;
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const nextElem = links[currentFocusedIndex + indexChange] || defaultFocus;
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nextElem.focus();
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}
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onShow() {
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this.loadEntityView();
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}
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onSearch() {
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const input = this.searchInput.value.toLowerCase().trim();
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const listItems = this.entityListElem.querySelectorAll('.entity-list-item');
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for (let listItem of listItems) {
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const match = !input || listItem.textContent.toLowerCase().includes(input);
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listItem.style.display = match ? 'flex' : 'none';
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listItem.classList.toggle('hidden', !match);
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}
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}
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loadEntityView() {
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this.toggleLoading(true);
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const params = {
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'entity_id': this.entityId,
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'entity_type': this.entityType,
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};
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window.$http.get('/search/entity/siblings', params).then(resp => {
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this.entityListElem.innerHTML = resp.data;
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}).catch(err => {
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console.error(err);
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}).then(() => {
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this.toggleLoading(false);
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this.onSearch();
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});
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}
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toggleLoading(show = false) {
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this.loadingElem.style.display = show ? 'block' : 'none';
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}
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}
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export default BreadcrumbListing; |