98 lines
2.4 KiB
TypeScript
98 lines
2.4 KiB
TypeScript
/**
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* For the full copyright and license information, please view the
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* docs/licenses/LICENSE.txt file that was distributed with this source code.
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*/
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const {$} = window;
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/**
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* Displays, fills or hides State selection block depending on selected country.
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*
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* Usage:
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*
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* <!-- Country select must have unique identifier & url for states API -->
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* <select name="id_country" id="id_country" states-url="path/to/states/api">
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* ...
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* </select>
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*
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* <!-- If selected country does not have states, then this block will be hidden -->
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* <div class="js-state-selection-block">
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* <select name="id_state">
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* ...
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* </select>
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* </div>
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*
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* In JS:
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*
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* new CountryStateSelectionToggler('#id_country', '#id_state', '.js-state-selection-block');
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*/
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export default class CountryStateSelectionToggler {
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$stateSelectionBlock: JQuery;
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$countryStateSelector: JQuery;
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$countryInput: JQuery;
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constructor(
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countryInputSelector: string,
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countryStateSelector: string,
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stateSelectionBlockSelector: string,
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) {
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this.$stateSelectionBlock = $(stateSelectionBlockSelector);
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this.$countryStateSelector = $(countryStateSelector);
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this.$countryInput = $(countryInputSelector);
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this.$countryInput.on('change', () => this.onChange());
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this.onChange();
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}
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/**
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* Change State selection
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*
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* @private
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*/
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private onChange(): void {
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const countryId = this.$countryInput.val();
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if (countryId === '') {
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return;
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}
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$.get({
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url: this.$countryInput.data('states-url'),
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dataType: 'json',
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data: {
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id_country: countryId,
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},
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})
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.then((response) => {
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this.$countryStateSelector.empty();
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Object.keys(response.states).forEach((value) => {
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this.$countryStateSelector.append(
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$('<option></option>')
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.attr('value', response.states[value])
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.text(value),
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);
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});
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this.toggle();
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})
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.catch((response: AjaxError) => {
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if (typeof response.responseJSON !== 'undefined') {
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window.showErrorMessage(response.responseJSON.message);
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}
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});
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}
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toggle(): void {
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// Display the field State if:
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// - there is options in the select
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// - (OR)
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// - there is error for the field
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this.$stateSelectionBlock.toggleClass(
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'd-none',
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this.$countryStateSelector.find('option').length === 0 && !this.$stateSelectionBlock.hasClass('has-error'),
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);
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}
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}
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