/** Add or remove CSS class
* @param HTMLElement
* @param string
* @param [bool]
*/
function alterClass(el, className, enable) {
if (el) {
el.className = el.className.replace(RegExp('(^|\\s)' + className + '(\\s|$)'), '$2') + (enable ? ' ' + className : '');
}
}
/** Toggle visibility
* @param string
* @return boolean
*/
function toggle(id) {
var el = document.getElementById(id);
el.className = (el.className == 'hidden' ? '' : 'hidden');
return true;
}
/** Set permanent cookie
* @param string
* @param number
* @param string optional
*/
function cookie(assign, days) {
var date = new Date();
date.setDate(date.getDate() + days);
document.cookie = assign + '; expires=' + date;
}
/** Verify current Adminer version
* @param string
*/
function verifyVersion(current) {
cookie('adminer_version=0', 1);
var iframe = document.createElement('iframe');
iframe.src = location.protocol + '//www.adminer.org/version/?current=' + current;
iframe.frameBorder = 0;
iframe.marginHeight = 0;
iframe.scrolling = 'no';
iframe.style.width = '7ex';
iframe.style.height = '1.25em';
if (window.postMessage && window.addEventListener) {
iframe.style.display = 'none';
addEventListener('message', function (event) {
if (event.origin == location.protocol + '//www.adminer.org') {
var match = /version=(.+)/.exec(event.data);
if (match) {
cookie('adminer_version=' + match[1], 1);
}
}
}, false);
}
document.getElementById('version').appendChild(iframe);
}
/** Get value of select
* @param HTMLElement