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Mini Shell
Search = function(data, input, result) {
this.data = data;
this.input = input;
this.result = result;
this.current = null;
this.view = this.result.parentNode;
this.searcher = new Searcher(data.index);
this.init();
}
Search.prototype = Object.assign({}, Navigation, new function() {
var suid = 1;
this.init = function() {
var _this = this;
var observer = function(e) {
switch(e.keyCode) {
case 38: // Event.KEY_UP
case 40: // Event.KEY_DOWN
return;
}
_this.search(_this.input.value);
};
this.input.addEventListener('keyup', observer);
this.input.addEventListener('click', observer); // mac's clear field
this.searcher.ready(function(results, isLast) {
_this.addResults(results, isLast);
})
this.initNavigation();
this.setNavigationActive(false);
}
this.search = function(value, selectFirstMatch) {
value = value.trim().toLowerCase();
if (value) {
this.setNavigationActive(true);
} else {
this.setNavigationActive(false);
}
if (value == '') {
this.lastQuery = value;
this.result.innerHTML = '';
this.result.setAttribute('aria-expanded', 'false');
this.setNavigationActive(false);
} else if (value != this.lastQuery) {
this.lastQuery = value;
this.result.setAttribute('aria-busy', 'true');
this.result.setAttribute('aria-expanded', 'true');
this.firstRun = true;
this.searcher.find(value);
}
}
this.addResults = function(results, isLast) {
var target = this.result;
if (this.firstRun && (results.length > 0 || isLast)) {
this.current = null;
this.result.innerHTML = '';
}
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.classList.add('search-selected');
}
//TODO: ECMAScript
//if (jQuery.browser.msie) this.$element[0].className += '';
if (isLast) this.result.setAttribute('aria-busy', 'false');
}
this.move = function(isDown) {
if (!this.current) return;
var next = isDown ? this.current.nextElementSibling : this.current.previousElementSibling;
if (next) {
this.current.classList.remove('search-selected');
next.classList.add('search-selected');
this.input.setAttribute('aria-activedescendant', next.getAttribute('id'));
this.scrollIntoView(next, this.view);
this.current = next;
this.input.value = next.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) + ';';
});
}
});
Zerion Mini Shell 1.0