en.javascript.info/02-ui/05-widgets/05-custom-events/03-custom-select/solution/customselect/customselect.js
Ilya Kantor f301cb744d init
2014-10-26 22:10:13 +03:00

61 lines
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function CustomSelect(options) {
var self = this;
var elem = options.elem;
elem.on('click', '.customselect-title', onTitleClick);
elem.on('click', 'li', onOptionClick);
var isOpen = false;
// ------ обработчики ------
function onTitleClick(event) {
toggle();
}
// закрыть селект, если клик вне его
function onDocumentClick(event) {
var isInside = $(event.target).closest(elem).length;
if (!isInside) close();
}
function onOptionClick(event) {
close();
var name = $(event.target).html();
var value = $(event.target).data('value');
setValue(name, value);
}
// ------------------------
function setValue(name, value) {
elem.find('.customselect-title').html(name);
$(self).triggerHandler({
type: 'select',
name: name,
value: value
});
}
function toggle() {
if (isOpen) close()
else open();
}
function open() {
elem.addClass('customselect-open');
$(document).on('click', onDocumentClick);
isOpen = true;
}
function close() {
elem.removeClass('customselect-open');
$(document).off('click', onDocumentClick);
isOpen = false;
}
}