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repo: minor improve for PR #5219 and support UTF-8 byte count

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Unknwon
2018-06-11 21:06:24 +08:00
parent 57897cc8c2
commit dfd494c113
12 changed files with 44 additions and 33 deletions
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30
public/js/gogs.js
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@@ -1262,6 +1262,12 @@ $(document).ready(function () {
e.trigger.setAttribute('data-content', e.trigger.getAttribute('data-original'))
});
// Autosize
if ($('#description.autosize').length > 0) {
autosize($('#description'));
showMessageMaxLength(512, 'description', 'descLength');
}
// AJAX load buttons
$('.ajax-load-button').click(function () {
var $this = $(this);
@@ -1444,14 +1450,32 @@ $(function () {
$('form').areYouSure();
});
// getByteLen counts bytes in a string's UTF-8 representation.
function getByteLen(normalVal) {
// Force string type
normalVal = String(normalVal);
var byteLen = 0;
for (var i = 0; i < normalVal.length; i++) {
var c = normalVal.charCodeAt(i);
byteLen += c < (1 << 7) ? 1 :
c < (1 << 11) ? 2 :
c < (1 << 16) ? 3 :
c < (1 << 21) ? 4 :
c < (1 << 26) ? 5 :
c < (1 << 31) ? 6 : Number.NaN;
}
return byteLen;
}
function showMessageMaxLength(maxLen, textElemId, counterId) {
var $msg = $('#'+textElemId); //text message
$('#'+counterId).html(maxLen - $msg.val().length); //symbols count
var $msg = $('#'+textElemId);
$('#'+counterId).html(maxLen - getByteLen($msg.val()));
var onMessageKey = function (e) {
var $msg = $(this);
var text = $msg.val();
var len = text.length;
var len = getByteLen(text);
var remainder = maxLen - len;
if (len >= maxLen) {