119 lines
3.2 KiB
JavaScript
119 lines
3.2 KiB
JavaScript
import _ from 'underscore';
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export default class CreateItemDropdown {
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/**
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* @param {Object} options containing
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* `$dropdown` target element
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* `onSelect` event callback
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* $dropdown must be an element created using `dropdown_tag()` rails helper
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*/
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constructor(options) {
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this.defaultToggleLabel = options.defaultToggleLabel;
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this.fieldName = options.fieldName;
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this.onSelect = options.onSelect || (() => {});
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this.getDataOption = options.getData;
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this.createNewItemFromValueOption = options.createNewItemFromValue;
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this.$dropdown = options.$dropdown;
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this.$dropdownContainer = this.$dropdown.parent();
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this.$dropdownFooter = this.$dropdownContainer.find('.dropdown-footer');
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this.$createButton = this.$dropdownContainer.find('.js-dropdown-create-new-item');
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this.buildDropdown();
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this.bindEvents();
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// Hide footer
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this.toggleFooter(true);
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}
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buildDropdown() {
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this.$dropdown.glDropdown({
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data: this.getData.bind(this),
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filterable: true,
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remote: false,
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search: {
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fields: ['text'],
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},
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selectable: true,
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toggleLabel(selected) {
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return (selected && 'id' in selected) ? _.escape(selected.title) : this.defaultToggleLabel;
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},
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fieldName: this.fieldName,
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text(item) {
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return _.escape(item.text);
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},
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id(item) {
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return _.escape(item.id);
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},
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onFilter: this.toggleCreateNewButton.bind(this),
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clicked: (options) => {
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options.e.preventDefault();
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this.onSelect();
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},
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});
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}
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clearDropdown() {
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this.$dropdownContainer.find('.dropdown-content').html('');
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this.$dropdownContainer.find('.dropdown-input-field').val('');
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}
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bindEvents() {
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this.$createButton.on('click', this.onClickCreateWildcard.bind(this));
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}
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onClickCreateWildcard(e) {
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e.preventDefault();
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this.refreshData();
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this.$dropdown.data('glDropdown').selectRowAtIndex();
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}
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refreshData() {
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// Refresh the dropdown's data, which ends up calling `getData`
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this.$dropdown.data('glDropdown').remote.execute();
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}
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getData(term, callback) {
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this.getDataOption(term, (data = []) => {
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// Ensure the selected item isn't already in the data to avoid duplicates
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const alreadyHasSelectedItem = this.selectedItem && data.some(item =>
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item.id === this.selectedItem.id,
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);
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let uniqueData = data;
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if (!alreadyHasSelectedItem) {
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uniqueData = data.concat(this.selectedItem || []);
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}
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callback(uniqueData);
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});
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}
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createNewItemFromValue(newValue) {
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if (this.createNewItemFromValueOption) {
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return this.createNewItemFromValueOption(newValue);
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}
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return {
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title: newValue,
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id: newValue,
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text: newValue,
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};
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}
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toggleCreateNewButton(newValue) {
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if (newValue) {
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this.selectedItem = this.createNewItemFromValue(newValue);
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this.$dropdownContainer
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.find('.js-dropdown-create-new-item code')
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.text(newValue);
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}
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this.toggleFooter(!newValue);
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}
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toggleFooter(toggleState) {
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this.$dropdownFooter.toggleClass('hidden', toggleState);
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}
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}
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