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// generate toc from prefs form, fold sections
// XXX: needs testing on IE/Mac and safari
// more comments to follow
function tabbedprefs() {
var prefform = document.getElementById('preferences');
if (!prefform || !document.createElement) {
return;
}
if (prefform.nodeName.toLowerCase() == 'a') {
return; // Occasional IE problem
}
prefform.className = prefform.className + 'jsprefs';
var sections = [];
var children = prefform.childNodes;
var seci = 0;
for (var i = 0; i < children.length; i++) {
if (children[i].nodeName.toLowerCase() == 'fieldset') {
children[i].id = 'prefsection-' + seci;
children[i].className = 'prefsection';
if (is_opera || is_khtml) {
children[i].className = 'prefsection operaprefsection';
}
var legends = children[i].getElementsByTagName('legend');
sections[seci] = {};
if (legends[0]) legends[0].className = 'mainLegend';
if (legends[0] && legends[0].firstChild.nodeValue) {
sections[seci].text = legends[0].firstChild.nodeValue;
} else {
sections[seci].text = '# ' + seci;
}
sections[seci].secid = children[i].id;
seci++;
if (sections.length != 1) {
children[i].style.display = 'none';
} else {
var selectedid = children[i].id;
}
}
}
var toc = document.createElement('ul');
toc.id = 'preftoc';
toc.selectedid = selectedid;
for (i = 0; i < sections.length; i++) {
var li = document.createElement('li');
if (i === 0) {
li.className = 'selected';
}
var a = document.createElement('a');
a.href = '#' + sections[i].secid;
a.onmousedown = a.onclick = uncoversection;
a.appendChild(document.createTextNode(sections[i].text));
a.secid = sections[i].secid;
li.appendChild(a);
toc.appendChild(li);
}
prefform.parentNode.insertBefore(toc, prefform.parentNode.childNodes[0]);
document.getElementById('prefsubmit').id = 'prefcontrol';
}
function uncoversection() {
var oldsecid = this.parentNode.parentNode.selectedid;
var newsec = document.getElementById(this.secid);
if (oldsecid != this.secid) {
var ul = document.getElementById('preftoc');
document.getElementById(oldsecid).style.display = 'none';
newsec.style.display = 'block';
ul.selectedid = this.secid;
var lis = ul.getElementsByTagName('li');
for (var i = 0; i< lis.length; i++) {
lis[i].className = '';
}
this.parentNode.className = 'selected';
}
return false;
}
// Timezone stuff
// tz in format [+-]HHMM
function checkTimezone(tz, msg) {
var localclock = new Date();
// returns negative offset from GMT in minutes
var tzRaw = localclock.getTimezoneOffset();
var tzHour = Math.floor( Math.abs(tzRaw) / 60);
var tzMin = Math.abs(tzRaw) % 60;
var tzString = ((tzRaw >= 0) ? "-" : "+") + ((tzHour < 10) ? "0" : "") + tzHour + ((tzMin < 10) ? "0" : "") + tzMin;
if (tz != tzString) {
var junk = msg.split('$1');
document.write(junk[0] + "UTC" + tzString + junk[1]);
}
}
function unhidetzbutton() {
var tzb = document.getElementById('guesstimezonebutton');
if (tzb) {
tzb.style.display = 'inline';
}
updateTimezoneSelection(false);
}
// in [-]HH:MM format...
// won't yet work with non-even tzs
function fetchTimezone() {
// FIXME: work around Safari bug
var localclock = new Date();
// returns negative offset from GMT in minutes
var tzRaw = localclock.getTimezoneOffset();
var tzHour = Math.floor( Math.abs(tzRaw) / 60);
var tzMin = Math.abs(tzRaw) % 60;
var tzString = ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "0" : "") + tzHour +
":" + ((tzMin < 10) ? "0" : "") + tzMin;
return tzString;
}
function guessTimezone(box) {
document.getElementsByName("wpHourDiff")[0].value = fetchTimezone();
updateTimezoneSelection(true);
}
function updateTimezoneSelection(force_offset) {
var wpTimeZone = document.getElementsByName("wpTimeZone")[0];
var wpHourDiff = document.getElementsByName("wpHourDiff")[0];
var wpLocalTime = document.getElementById("wpLocalTime");
var wpServerTime = document.getElementsByName("wpServerTime")[0];
var minDiff = 0;
if (force_offset) wpTimeZone.selectedIndex = 1;
if (wpTimeZone.selectedIndex == 1) {
wpHourDiff.disabled = false;
var diffArr = wpHourDiff.value.split(':');
if (diffArr.length == 1) {
minDiff = parseInt(diffArr[0], 10) * 60;
} else {
minDiff = Math.abs(parseInt(diffArr[0], 10))*60 + parseInt(diffArr[1], 10);
if (parseInt(diffArr[0], 10) < 0) minDiff = -minDiff;
}
} else {
wpHourDiff.disabled = true;
var diffArr = wpTimeZone.options[wpTimeZone.selectedIndex].value.split('|');
minDiff = parseInt(diffArr[1], 10);
}
if (isNaN(minDiff)) minDiff = 0;
var localTime = parseInt(wpServerTime.value, 10) + minDiff;
while (localTime < 0) localTime += 1440;
while (localTime >= 1440) localTime -= 1440;
var hour = String(Math.floor(localTime/60));
if (hour.length<2) hour = '0'+hour;
var min = String(localTime%60);
if (min.length<2) min = '0'+min;
changeText(wpLocalTime, hour+':'+min);
if (wpTimeZone.selectedIndex != 1) {
hour = String(Math.abs(Math.floor(minDiff/60)));
if (hour.length<2) hour = '0'+hour;
if (minDiff < 0) hour = '-'+hour;
min = String(minDiff%60);
if (min.length<2) min = '0'+min;
wpHourDiff.value = hour+':'+min;
}
}
hookEvent("load", unhidetzbutton);
hookEvent("load", tabbedprefs);
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