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Search = function(data, input, result) {
this.data = data;
this.$input = $(input);
this.$result = $(result);
this.$current = null;
this.$view = this.$result.parent();
this.searcher = new Searcher(data.index);
this.init();
}
Search.prototype = $.extend({}, Navigation, new function() {
var suid = 1;
this.init = function() {
var _this = this;
var observer = function(e) {
switch(e.originalEvent.keyCode) {
case 38:
case 40:
return;
}
_this.search(_this.$input[0].value);
};
this.$input.keyup(observer);
this.$input.click(observer);
this.searcher.ready(function(results, isLast) {
_this.addResults(results, isLast);
})
this.initNavigation();
this.setNavigationActive(false);
}
this.search = function(value, selectFirstMatch) {
value = jQuery.trim(value).toLowerCase();
if (value) {
this.setNavigationActive(true);
} else {
this.setNavigationActive(false);
}
if (value == '') {
this.lastQuery = value;
this.$result.empty();
this.$result.attr('aria-expanded', 'false');
this.setNavigationActive(false);
} else if (value != this.lastQuery) {
this.lastQuery = value;
this.$result.attr('aria-busy', 'true');
this.$result.attr('aria-expanded', 'true');
this.firstRun = true;
this.searcher.find(value);
}
}
this.addResults = function(results, isLast) {
var target = this.$result.get(0);
if (this.firstRun && (results.length > 0 || isLast)) {
this.$current = null;
this.$result.empty();
}
for (var i=0, l = results.length; i < l; i++) {
var item = this.renderItem.call(this, results[i]);
item.setAttribute('id', 'search-result-' + target.childElementCount);
target.appendChild(item);
};
if (this.firstRun && results.length > 0) {
this.firstRun = false;
this.$current = $(target.firstChild);
this.$current.addClass('search-selected');
}
if (jQuery.browser.msie) this.$element[0].className += '';
if (isLast) this.$result.attr('aria-busy', 'false');
}
this.move = function(isDown) {
if (!this.$current) return;
var $next = this.$current[isDown ? 'next' : 'prev']();
if ($next.length) {
this.$current.removeClass('search-selected');
$next.addClass('search-selected');
this.$input.attr('aria-activedescendant', $next.attr('id'));
this.scrollIntoView($next[0], this.$view[0]);
this.$current = $next;
this.$input.val($next[0].firstChild.firstChild.text);
this.$input.select();
}
return true;
}
this.hlt = function(html) {
return this.escapeHTML(html).
replace(/\u0001/g, '<em>').
replace(/\u0002/g, '</em>');
}
this.escapeHTML = function(html) {
return html.replace(/[&<>]/g, function(c) {
return '&#' + c.charCodeAt(0) + ';';
});
}
});
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