| 1 | /**
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| 2 | * Class managing the timer to display a warning on a expiring lock
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| 3 | */
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| 4 | var locktimer = {
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| 5 | sack: null,
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| 6 | timeout: 0,
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| 7 | timerID: null,
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| 8 | lasttime: null,
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| 9 | msg: '',
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| 10 | pageid: '',
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| 11 |
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| 12 | init: function(timeout,msg,draft,edid){
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| 13 | var edit = $(edid);
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| 14 | if(!edit) return;
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| 15 | if(edit.readOnly) return;
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| 16 |
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| 17 | // init values
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| 18 | locktimer.timeout = timeout*1000;
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| 19 | locktimer.msg = msg;
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| 20 | locktimer.draft = draft;
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| 21 | locktimer.lasttime = new Date();
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| 22 |
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| 23 | if(!$('dw__editform')) return;
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| 24 | locktimer.pageid = $('dw__editform').elements.id.value;
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| 25 | if(!locktimer.pageid) return;
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| 26 |
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| 27 | // init ajax component
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| 28 | locktimer.sack = new sack(DOKU_BASE + 'lib/exe/ajax.php');
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| 29 | locktimer.sack.AjaxFailedAlert = '';
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| 30 | locktimer.sack.encodeURIString = false;
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| 31 | locktimer.sack.onCompletion = locktimer.refreshed;
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| 32 |
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| 33 | // register refresh event
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| 34 | addEvent($('dw__editform'),'keypress',function(){locktimer.refresh();});
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| 35 | // start timer
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| 36 | locktimer.reset();
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| 37 | },
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| 38 |
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| 39 | /**
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| 40 | * (Re)start the warning timer
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| 41 | */
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| 42 | reset: function(){
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| 43 | locktimer.clear();
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| 44 | locktimer.timerID = window.setTimeout("locktimer.warning()", locktimer.timeout);
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| 45 | },
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| 46 |
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| 47 | /**
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| 48 | * Display the warning about the expiring lock
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| 49 | */
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| 50 | warning: function(){
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| 51 | locktimer.clear();
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| 52 | alert(locktimer.msg);
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| 53 | },
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| 54 |
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| 55 | /**
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| 56 | * Remove the current warning timer
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| 57 | */
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| 58 | clear: function(){
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| 59 | if(locktimer.timerID !== null){
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| 60 | window.clearTimeout(locktimer.timerID);
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| 61 | locktimer.timerID = null;
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| 62 | }
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| 63 | },
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| 64 |
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| 65 | /**
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| 66 | * Refresh the lock via AJAX
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| 67 | *
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| 68 | * Called on keypresses in the edit area
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| 69 | */
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| 70 | refresh: function(){
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| 71 | var now = new Date();
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| 72 | // refresh every minute only
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| 73 | if(now.getTime() - locktimer.lasttime.getTime() > 30*1000){
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| 74 | var params = 'call=lock&id='+encodeURIComponent(locktimer.pageid);
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| 75 | var dwform = $('dw__editform');
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| 76 | if(locktimer.draft && dwform.elements.wikitext){
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| 77 | params += '&prefix='+encodeURIComponent(dwform.elements.prefix.value);
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| 78 | params += '&wikitext='+encodeURIComponent(dwform.elements.wikitext.value);
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| 79 | params += '&suffix='+encodeURIComponent(dwform.elements.suffix.value);
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| 80 | if(dwform.elements.date){
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| 81 | params += '&date='+encodeURIComponent(dwform.elements.date.value);
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| 82 | }
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| 83 | }
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| 84 | locktimer.sack.runAJAX(params);
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| 85 | locktimer.lasttime = now;
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| 86 | }
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| 87 | },
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| 88 |
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| 89 | /**
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| 90 | * Callback. Resets the warning timer
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| 91 | */
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| 92 | refreshed: function(){
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| 93 | var data = this.response;
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| 94 | var error = data.charAt(0);
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| 95 | data = data.substring(1);
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| 96 |
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| 97 | $('draft__status').innerHTML=data;
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| 98 | if(error != '1') return; // locking failed
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| 99 | locktimer.reset();
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| 100 | }
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| 101 | };
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| 102 |
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