define([
'jquery',
'../utils'
], function ($, Utils) {
function Search () { }
Search.prototype.render = function (decorated) {
var $rendered = decorated.call(this);
var $search = $(
'<span class="select2-search select2-search--dropdown">' +
'<input class="select2-search__field" type="search" tabindex="-1"' +
' autocomplete="off" autocorrect="off" autocapitalize="off"' +
' spellcheck="false" role="textbox" />' +
'</span>'
);
this.$searchContainer = $search;
this.$search = $search.find('input');
$rendered.prepend($search);
return $rendered;
};
Search.prototype.bind = function (decorated, container, $container) {
var self = this;
decorated.call(this, container, $container);
this.$search.on('keydown', function (evt) {
self.trigger('keypress', evt);
self._keyUpPrevented = evt.isDefaultPrevented();
});
// Workaround for browsers which do not support the `input` event
// This will prevent double-triggering of events for browsers which support
// both the `keyup` and `input` events.
this.$search.on('input', function (evt) {
// Unbind the duplicated `keyup` event
$(this).off('keyup');
});
this.$search.on('keyup input', function (evt) {
self.handleSearch(evt);
});
container.on('open', function () {
self.$search.attr('tabindex', 0);
self.$search.focus();
window.setTimeout(function () {
self.$search.focus();
}, 0);
});
container.on('close', function () {
self.$search.attr('tabindex', -1);
self.$search.val('');
});
container.on('focus', function () {
if (container.isOpen()) {
self.$search.focus();
}
});
container.on('results:all', function (params) {
if (params.query.term == null || params.query.term === '') {
var showSearch = self.showSearch(params);
if (showSearch) {
self.$searchContainer.removeClass('select2-search--hide');
} else {
self.$searchContainer.addClass('select2-search--hide');
}
}
});
};
Search.prototype.handleSearch = function (evt) {
if (!this._keyUpPrevented) {
var input = this.$search.val();
this.trigger('query', {
term: input
});
}
this._keyUpPrevented = false;
};
Search.prototype.showSearch = function (_, params) {
return true;
};
return Search;
});
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