skins/common/prefs.js

   1
   2 // generate toc from prefs form, fold sections
   3 // XXX: needs testing on IE/Mac and safari
   4 // more comments to follow
   5 function tabbedprefs() {
   6         var prefform = document.getElementById('preferences');
   7         if (!prefform || !document.createElement) {
   8                 return;
   9         }
  10         if (prefform.nodeName.toLowerCase() == 'a') {
  11                 return; // Occasional IE problem
  12         }
  13         prefform.className = prefform.className + 'jsprefs';
  14         var sections = [];
  15         var children = prefform.childNodes;
  16         var seci = 0;
  17         for (var i = 0; i < children.length; i++) {
  18                 if (children[i].nodeName.toLowerCase() == 'fieldset') {
  19                         children[i].id = 'prefsection-' + seci;
  20                         children[i].className = 'prefsection';
  21                         if (is_opera || is_khtml) {
  22                                 children[i].className = 'prefsection operaprefsection';
  23                         }
  24                         var legends = children[i].getElementsByTagName('legend');
  25                         sections[seci] = {};
  26                         if (legends[0]) legends[0].className = 'mainLegend';
  27                         if (legends[0] && legends[0].firstChild.nodeValue) {
  28                                 sections[seci].text = legends[0].firstChild.nodeValue;
  29                         } else {
  30                                 sections[seci].text = '# ' + seci;
  31                         }
  32                         sections[seci].secid = children[i].id;
  33                         seci++;
  34                         if (sections.length != 1) {
  35                                 children[i].style.display = 'none';
  36                         } else {
  37                                 var selectedid = children[i].id;
  38                         }
  39                 }
  40         }
  41         var toc = document.createElement('ul');
  42         toc.id = 'preftoc';
  43         toc.selectedid = selectedid;
  44         for (i = 0; i < sections.length; i++) {
  45                 var li = document.createElement('li');
  46                 if (i === 0) {
  47                         li.className = 'selected';
  48                 }
  49                 var a = document.createElement('a');
  50                 a.href = '#' + sections[i].secid;
  51                 a.onmousedown = a.onclick = uncoversection;
  52                 a.appendChild(document.createTextNode(sections[i].text));
  53                 a.secid = sections[i].secid;
  54                 li.appendChild(a);
  55                 toc.appendChild(li);
  56         }
  57         prefform.parentNode.insertBefore(toc, prefform.parentNode.childNodes[0]);
  58         document.getElementById('prefsubmit').id = 'prefcontrol';
  59 }
  60
  61 function uncoversection() {
  62         var oldsecid = this.parentNode.parentNode.selectedid;
  63         var newsec = document.getElementById(this.secid);
  64         if (oldsecid != this.secid) {
  65                 var ul = document.getElementById('preftoc');
  66                 document.getElementById(oldsecid).style.display = 'none';
  67                 newsec.style.display = 'block';
  68                 ul.selectedid = this.secid;
  69                 var lis = ul.getElementsByTagName('li');
  70                 for (var i = 0; i< lis.length; i++) {
  71                         lis[i].className = '';
  72                 }
  73                 this.parentNode.className = 'selected';
  74         }
  75         return false;
  76 }
  77
  78 // Timezone stuff
  79 // tz in format [+-]HHMM
  80 function checkTimezone(tz, msg) {
  81         var localclock = new Date();
  82         // returns negative offset from GMT in minutes
  83         var tzRaw = localclock.getTimezoneOffset();
  84         var tzHour = Math.floor( Math.abs(tzRaw) / 60);
  85         var tzMin = Math.abs(tzRaw) % 60;
  86         var tzString = ((tzRaw >= 0) ? "-" : "+") + ((tzHour < 10) ? "0" : "") + tzHour + ((tzMin < 10) ? "0" : "") + tzMin;
  87         if (tz != tzString) {
  88                 var junk = msg.split('$1');
  89                 document.write(junk[0] + "UTC" + tzString + junk[1]);
  90         }
  91 }
  92
  93 function unhidetzbutton() {
  94         var tzb = document.getElementById('guesstimezonebutton');
  95         if (tzb) {
  96                 tzb.style.display = 'inline';
  97         }
  98         updateTimezoneSelection(false);
  99 }
 100
 101 // in [-]HH:MM format...
 102 // won't yet work with non-even tzs
 103 function fetchTimezone() {
 104         // FIXME: work around Safari bug
 105         var localclock = new Date();
 106         // returns negative offset from GMT in minutes
 107         var tzRaw = localclock.getTimezoneOffset();
 108         var tzHour = Math.floor( Math.abs(tzRaw) / 60);
 109         var tzMin = Math.abs(tzRaw) % 60;
 110         var tzString = ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "0" : "") + tzHour +
 111                 ":" + ((tzMin < 10) ? "0" : "") + tzMin;
 112         return tzString;
 113 }
 114
 115 function guessTimezone(box) {
 116         document.getElementsByName("wpHourDiff")[0].value = fetchTimezone();
 117         updateTimezoneSelection(true);
 118 }
 119
 120 function updateTimezoneSelection(force_offset) {
 121         var wpTimeZone = document.getElementsByName("wpTimeZone")[0];
 122         var wpHourDiff = document.getElementsByName("wpHourDiff")[0];
 123         var wpLocalTime = document.getElementById("wpLocalTime");
 124         var wpServerTime = document.getElementsByName("wpServerTime")[0];
 125         var minDiff = 0;
 126
 127         if (force_offset) wpTimeZone.selectedIndex = 1;
 128         if (wpTimeZone.selectedIndex == 1) {
 129                 wpHourDiff.disabled = false;
 130                 var diffArr = wpHourDiff.value.split(':');
 131                 if (diffArr.length == 1) {
 132                         minDiff = parseInt(diffArr[0], 10) * 60;
 133                 } else {
 134                         minDiff = Math.abs(parseInt(diffArr[0], 10))*60 + parseInt(diffArr[1], 10);
 135                         if (parseInt(diffArr[0], 10) < 0) minDiff = -minDiff;
 136                 }
 137         } else {
 138                 wpHourDiff.disabled = true;
 139                 var diffArr = wpTimeZone.options[wpTimeZone.selectedIndex].value.split('|');
 140                 minDiff = parseInt(diffArr[1], 10);
 141         }
 142         if (isNaN(minDiff)) minDiff = 0;
 143         var localTime = parseInt(wpServerTime.value, 10) + minDiff;
 144         while (localTime < 0) localTime += 1440;
 145         while (localTime >= 1440) localTime -= 1440;
 146
 147         var hour = String(Math.floor(localTime/60));
 148         if (hour.length<2) hour = '0'+hour;
 149         var min = String(localTime%60);
 150         if (min.length<2) min = '0'+min;
 151         changeText(wpLocalTime, hour+':'+min);
 152
 153         if (wpTimeZone.selectedIndex != 1) {
 154                 hour = String(Math.abs(Math.floor(minDiff/60)));
 155                 if (hour.length<2) hour = '0'+hour;
 156                 if (minDiff < 0) hour = '-'+hour;
 157                 min = String(minDiff%60);
 158                 if (min.length<2) min = '0'+min;
 159                 wpHourDiff.value = hour+':'+min;
 160         }
 161 }
 162
 163 hookEvent("load", unhidetzbutton);
 164 hookEvent("load", tabbedprefs);