127 lines
3.3 KiB
JavaScript
127 lines
3.3 KiB
JavaScript
import DropdownUtils from './dropdown_utils';
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import FilteredSearchDropdownManager from './filtered_search_dropdown_manager';
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const DATA_DROPDOWN_TRIGGER = 'data-dropdown-trigger';
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export default class FilteredSearchDropdown {
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constructor({ droplab, dropdown, input, filter }) {
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this.droplab = droplab;
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this.hookId = input && input.id;
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this.input = input;
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this.filter = filter;
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this.dropdown = dropdown;
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this.loadingTemplate = `<div class="filter-dropdown-loading">
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<i class="fa fa-spinner fa-spin"></i>
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</div>`;
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this.bindEvents();
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}
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bindEvents() {
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this.itemClickedWrapper = this.itemClicked.bind(this);
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this.dropdown.addEventListener('click.dl', this.itemClickedWrapper);
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}
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unbindEvents() {
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this.dropdown.removeEventListener('click.dl', this.itemClickedWrapper);
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}
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getCurrentHook() {
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return this.droplab.hooks.filter(h => h.id === this.hookId)[0] || null;
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}
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itemClicked(e, getValueFunction) {
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const { selected } = e.detail;
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if (selected.tagName === 'LI' && selected.innerHTML) {
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const dataValueSet = DropdownUtils.setDataValueIfSelected(this.filter, selected);
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if (!dataValueSet) {
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const value = getValueFunction(selected);
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FilteredSearchDropdownManager.addWordToInput(this.filter, value, true);
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}
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this.resetFilters();
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this.dismissDropdown();
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this.dispatchInputEvent();
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}
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}
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setAsDropdown() {
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this.input.setAttribute(DATA_DROPDOWN_TRIGGER, `#${this.dropdown.id}`);
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}
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setOffset(offset = 0) {
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if (window.innerWidth > 480) {
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this.dropdown.style.left = `${offset}px`;
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} else {
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this.dropdown.style.left = '0px';
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}
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}
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renderContent(forceShowList = false) {
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const currentHook = this.getCurrentHook();
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if (forceShowList && currentHook && currentHook.list.hidden) {
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currentHook.list.show();
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}
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}
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render(forceRenderContent = false, forceShowList = false) {
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this.setAsDropdown();
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const currentHook = this.getCurrentHook();
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const firstTimeInitialized = currentHook === null;
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if (firstTimeInitialized || forceRenderContent) {
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this.renderContent(forceShowList);
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} else if (currentHook.list.list.id !== this.dropdown.id) {
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this.renderContent(forceShowList);
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}
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}
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dismissDropdown() {
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// Focusing on the input will dismiss dropdown
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// (default droplab functionality)
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this.input.focus();
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}
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dispatchInputEvent() {
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// Propagate input change to FilteredSearchDropdownManager
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// so that it can determine which dropdowns to open
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this.input.dispatchEvent(
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new CustomEvent('input', {
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bubbles: true,
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cancelable: true,
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}),
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);
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}
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dispatchFormSubmitEvent() {
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// dispatchEvent() is necessary as form.submit() does not
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// trigger event handlers
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this.input.form.dispatchEvent(new Event('submit'));
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}
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hideDropdown() {
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const currentHook = this.getCurrentHook();
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if (currentHook) {
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currentHook.list.hide();
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}
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}
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resetFilters() {
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const hook = this.getCurrentHook();
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if (hook) {
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const data = hook.list.data || [];
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if (!data) return;
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const results = data.map(o => {
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const updated = o;
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updated.droplab_hidden = false;
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return updated;
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});
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hook.list.render(results);
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}
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}
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}
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