aibishal

✏️ Editing: enhanced-select.js

/* global ur_enhanced_select_params */
jQuery(function ( $ ) {

function getEnhancedSelectFormatString () {
		return {
			'language': {
				errorLoading: function () {
					// Workaround for https://github.com/select2/select2/issues/4355 instead of i18n_ajax_error.
					return ur_enhanced_select_params.i18n_searching;
				},
				inputTooLong: function ( args ) {
					var overChars = args.input.length - args.maximum;

if ( 1 === overChars ) {
						return ur_enhanced_select_params.i18n_input_too_long_1;
					}

return ur_enhanced_select_params.i18n_input_too_long_n.replace('%qty%', overChars);
				},
				inputTooShort: function ( args ) {
					var remainingChars = args.minimum - args.input.length;

if ( 1 === remainingChars ) {
						return ur_enhanced_select_params.i18n_input_too_short_1;
					}

return ur_enhanced_select_params.i18n_input_too_short_n.replace('%qty%', remainingChars);
				},
				loadingMore: function () {
					return ur_enhanced_select_params.i18n_load_more;
				},
				maximumSelected: function ( args ) {
					if ( args.maximum === 1 ) {
						return ur_enhanced_select_params.i18n_selection_too_long_1;
					}

return ur_enhanced_select_params.i18n_selection_too_long_n.replace('%qty%', args.maximum);
				},
				noResults: function () {
					return ur_enhanced_select_params.i18n_no_matches;
				},
				searching: function () {
					return ur_enhanced_select_params.i18n_searching;
				}
			}
		};
	}

try {
		$(document.body)

.on('ur-enhanced-select-init', function () {

// Regular select boxes
				$(':input.ur-enhanced-select').filter(':not(.enhanced)').each(function () {
					var select2_args = $.extend({
						minimumResultsForSearch: 10,
						allowClear: $(this).data('allow_clear') ? true : false,
						placeholder: $(this).data('placeholder')
					}, getEnhancedSelectFormatString());

$( this ).selectWoo( select2_args ).addClass('enhanced');
				});

$(':input.ur-enhanced-select-nostd').filter(':not(.enhanced)').each(function () {
					var select2_args = $.extend({
						minimumResultsForSearch: 10,
						allowClear: true,
						placeholder: $(this).data('placeholder')
					}, getEnhancedSelectFormatString());

$(this).selectWoo(select2_args).addClass('enhanced');
				});
			// Setup multi-select2 with Select/Unselect All buttons.
			var SelectionAdapter, DropdownAdapter;
			$.fn.select2.amd.require(
				[
					"select2/selection/single",
					"select2/selection/placeholder",
					"select2/dropdown",
					"select2/dropdown/search",
					"select2/dropdown/attachBody",
					"select2/utils",
					"select2/selection/eventRelay",
				],
				function (
					SingleSelection,
					Placeholder,
					Dropdown,
					DropdownSearch,
					AttachBody,
					Utils,
					EventRelay
				) {
				// Add placeholder which shows current number of selections
				SelectionAdapter = Utils.Decorate(SingleSelection, Placeholder);

// Allow to flow/fire events
				SelectionAdapter = Utils.Decorate(SelectionAdapter, EventRelay);

// Add search box in dropdown
				DropdownAdapter = Utils.Decorate(Dropdown, DropdownSearch);

// Add attach-body in dropdown
				DropdownAdapter = Utils.Decorate(DropdownAdapter, AttachBody);
				function UnselectAll() {}
					UnselectAll.prototype.render = function (decorated) {
						var self = this;
						var $rendered = decorated.call(this);
						var $unSelectAllButton = $(
							'<button class="button button-secondary button-medium ur-unselect-all-countries-button" type="button">Unselect All</button>'
						);

$unSelectAllButton.on("click", function () {
							self.$element.val([]);
							self.$element.trigger("change");
							self.trigger("close");
						});
						$rendered
							.find(".select2-dropdown")
							.prepend($unSelectAllButton);

return $rendered;
					};

// Add unselect all button in dropdown
					DropdownAdapter = Utils.Decorate(DropdownAdapter, UnselectAll);

function SelectAll() {}
					SelectAll.prototype.render = function (decorated) {
						var self 			 = this;
						var $rendered 		 = decorated.call(this);
						var $selectAllButton = $(
							'<button class="button button-secondary button-medium ur-select-all-countries-button" type="button">Select All</button>'
						);

$selectAllButton.on("click", function () {
							var $options = self.$element.find("option");
							var values = [];

$options.each(function () {
								values.push($(this).val());
							});
							self.$element.val(values);
							self.$element.trigger("change");
							self.trigger("close");
						});
						$rendered
							.find(".select2-dropdown")
							.prepend($selectAllButton);

return $rendered;
					};

// Add select all button in dropdown
					DropdownAdapter = Utils.Decorate(DropdownAdapter, SelectAll);

var allSelect2 = $( "select.ur-select2-multiple" );

if(0 === allSelect2.length){
						return;
					}

allSelect2.each( function() {
						var $this = $( this );

$this.find('option').filter(function() {
							return ( ( $(this).val() ).length == 0);
						}).remove();

function formatResult(state) {
							if ( ! state.id ) {
								return state.text;
							}
							return $( '<div></div>' ).text( state.text ).addClass( 'wrap' );
						}

var select2_args = $.extend({
							templateResult: formatResult,
							closeOnSelect: false,
							placeholder: $( this ).data( 'placeholder' ) || '',
							selectionAdapter: SelectionAdapter,
							dropdownAdapter:  DropdownAdapter,
							width: typeof $( this ).attr( 'style' ) !== 'undefined' &&  -1 !== $( this ).attr( 'style' ).indexOf( 'width' ) ? $( this ).css( 'width' ) : '100%',
							templateSelection: function(data) {

if ( ! data.id ) {
									return data.text;
								}

var selected_len = ($this.val() || []).length;
								var total = $('option', $this).length;
								return "Selected " + selected_len + " of " + total;

}
						}, getEnhancedSelectFormatString() );

$this.selectWoo( select2_args );
					});
				}
			);

}).trigger('ur-enhanced-select-init');

$('html').on('click', function ( event ) {
			if ( this === event.target ) {
				$('.ur-enhanced-select, :input.ur-enhanced-select').filter('.select2-hidden-accessible').select2('close');
			}
		});
	} catch ( err ) {
		// If select2 failed (conflict?) log the error but don't stop other scripts breaking.
		window.console.log(err);
	}
});

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