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/**
* Class managing the timer to display a warning on a expiring lock
*/
var locktimer = {
sack: null,
timeout: 0,
timerID: null,
lasttime: null,
msg: '',
pageid: '',
init: function(timeout,msg,draft){
// init values
locktimer.timeout = timeout*1000;
locktimer.msg = msg;
locktimer.draft = draft;
locktimer.lasttime = new Date();
if(!$('dw__editform')) return;
locktimer.pageid = $('dw__editform').elements.id.value;
if(!locktimer.pageid) return;
// init ajax component
locktimer.sack = new sack(DOKU_BASE + 'lib/exe/ajax.php');
locktimer.sack.AjaxFailedAlert = '';
locktimer.sack.encodeURIString = false;
locktimer.sack.onCompletion = locktimer.refreshed;
// register refresh event
addEvent($('dw__editform'),'keypress',function(){locktimer.refresh();});
// start timer
locktimer.reset();
},
/**
* (Re)start the warning timer
*/
reset: function(){
locktimer.clear();
locktimer.timerID = window.setTimeout("locktimer.warning()", locktimer.timeout);
},
/**
* Display the warning about the expiring lock
*/
warning: function(){
locktimer.clear();
alert(locktimer.msg);
},
/**
* Remove the current warning timer
*/
clear: function(){
if(locktimer.timerID !== null){
window.clearTimeout(locktimer.timerID);
locktimer.timerID = null;
}
},
/**
* Refresh the lock via AJAX
*
* Called on keypresses in the edit area
*/
refresh: function(){
var now = new Date();
// refresh every minute only
if(now.getTime() - locktimer.lasttime.getTime() > 30*1000){
var params = 'call=lock&id='+encodeURIComponent(locktimer.pageid);
var dwform = $('dw__editform');
if(locktimer.draft && dwform.elements.wikitext){
params += '&prefix='+encodeURIComponent(dwform.elements.prefix.value);
params += '&wikitext='+encodeURIComponent(dwform.elements.wikitext.value);
params += '&suffix='+encodeURIComponent(dwform.elements.suffix.value);
if(dwform.elements.date){
params += '&date='+encodeURIComponent(dwform.elements.date.value);
}
}
locktimer.sack.runAJAX(params);
locktimer.lasttime = now;
}
},
/**
* Callback. Resets the warning timer
*/
refreshed: function(){
var data = this.response;
var error = data.charAt(0);
data = data.substring(1);
$('draft__status').innerHTML=data;
if(error != '1') return; // locking failed
locktimer.reset();
},
};
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