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autocs.js
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autocs.js
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(function() {
var $bind, $pop, delay, rsDelay,
resize = function() {
if (rsDelay) clearTimeout(rsDelay);
rsDelay = setTimeout(function() {
var offset = $bind.offset();
$pop.css({
left: offset.left,
top: offset.top + $bind.outerHeight() + 2,
width: $bind.outerWidth()
});
}, 99)
};
$(function() {
$("body").append('<ul id="autocs" class="autopop"></ul>');
$pop = $("#autocs").on("mouseover", "li:not(:first)", function() {
$pop.find("li.pop").removeClass("pop");
$(this).addClass("pop");
}).on("mousedown", "li:not(:first)", function() {
$pop.hide();
$bind.val($(this).text());
})
});
$.fn.autocs = function(url) {
return $(this).each(function() {
var l = 0,
delay = 0,
$t = $(this).attr("autocomplete", "off").on({
focus: function() {
$bind = $t.trigger("keyup");
resize();
$(window).on("resize", resize);
},
keydown: function(e) {
switch (e.which) {
case 9:
$pop.hide();
break;
case 13:
$t.val($pop.hide().find(".pop").text());
break;
case 38:
var $p = $pop.find(".pop").removeClass("pop");
if ($p.index() > 0) $p.prev().addClass("pop");
else $pop.find("li").last().addClass("pop");
return false;
case 40:
var $p = $pop.find(".pop").removeClass("pop");
if ($p.index() < l) $p.next().addClass("pop");
else $pop.find("li").first().addClass("pop");
return false;
}
},
keyup: function(e) {
switch (e.which) {
case 9:
case 38:
case 40:
return false;
break;
default:
var val = $t.val(),
str = "<li class='pop'>" + val + "</li>";
if (val == "" || e.which == 13) $pop.hide();
else {
if (delay) clearTimeout(delay);
delay = setTimeout(function() {
$.ajax({
url: url,
dataType: 'json',
data: {
key: val
}
}).done(function(data) {
if (data.length > 0) {
d = data;
var i = 0,
html = str;
l = data.length;
for (; i < l; i++) {
html += '<li>' + data[i].key + '</li>';
}
$pop.html(html).show();
} else {
$pop.hide();
}
});
}, 400)
}
$pop.html(str);
}
},
blur: function() {
$pop.hide();
$(window).off("resize", resize);
}
})
})
}
})()