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mirror of https://github.com/e107inc/e107.git synced 2025-01-18 05:09:05 +01:00
2006-12-02 04:36:16 +00:00

525 lines
13 KiB
JavaScript

function setActiveStyleSheet(title) {
var i, a, main;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
a.disabled = true;
if(a.getAttribute("title") == title) a.disabled = false;
}
}
}
function getActiveStyleSheet() {
var i, a;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
}
return null;
}
function getPreferredStyleSheet() {
var i, a;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1
&& a.getAttribute("rel").indexOf("alt") == -1
&& a.getAttribute("title")
) return a.getAttribute("title");
}
return null;
}
function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
window.onload = function(e) {
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
}
window.onunload = function(e) {
var title = getActiveStyleSheet();
createCookie("style", title, 365);
}
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
// from http://www.kryogenix.org
// by Scott Andrew - http://scottandrew.com
// add an eventlistener to browsers that can do it somehow.
function addEvent(obj, evType, fn)
{
if (obj.addEventListener)
{
obj.addEventListener(evType, fn, false);
return true;
}
else if (obj.attachEvent)
{
var r = obj.attachEvent('on'+evType, fn);
return r;
}
else
{
return false;
}
}
function floatImages()
{
// adapted from http://www.dithered.com/javascript/browser_detect/
//**************************************************************//
// sniff user agent
var userAgent = navigator.userAgent.toLowerCase();
// if Mozilla 1.4 then quit
if ((userAgent.indexOf('gecko') != -1) && (userAgent.indexOf('gecko/') + 14 == userAgent.length) && (parseFloat(userAgent.substring(userAgent.indexOf('rv:') + 3)) == '1.4')) return;
// if Opera then quit
if (document.all && window.Event) return;
//**************************************************************//
// check this browser can cope with what we want to do
if (!document.getElementById) return;
var blogDiv = document.getElementById('blog');
if (!blogDiv) return;
if (!blogDiv.offsetWidth) return;
blogDiv.className = (blogDiv.offsetWidth >= 500) ? "float-images" : "block-images";
}
// Blockquote citations
// Simon Willison's work:
// http://simon.incutio.com/archive/2002/12/20/#blockquoteCitations
// Also Dunstan Orchard's work:
// http://1976design.com/blog/archive/2003/11/10/updates/
function blockquoteCite()
{
if (!document.createElementNS)
{
document.createElementNS = function(ns, elt)
{
return document.createElement(elt);
}
}
quotes = document.getElementsByTagName('blockquote');
for (i = 0; i < quotes.length; i++)
{
var cite = quotes[i].getAttribute('cite');
// value of cite attribute should only contain URI, not any other
if ((cite) && (cite != ''))
{
newlink = document.createElementNS('http://www.w3.org/1999/xhtml', 'a');
newlink.setAttribute('href', cite);
newlink.className = 'cite-link';
newlink.appendChild(document.createTextNode(cite));
newdiv = document.createElementNS('http://www.w3.org/1999/xhtml', 'cite');
newdiv.className = 'blockquote-cite';
newdiv.appendChild(document.createTextNode('Source: '));
newdiv.appendChild(newlink);
quotes[i].appendChild(newdiv);
quotes[i].removeAttribute('cite');
}
}
}
// Ins and Del tags citations
function insdelCite()
{
if (!document.createElementNS)
{
document.createElementNS = function(ns, elt)
{
return document.createElement(elt);
}
}
var insdel = new Array(2);
insdel[0] = document.getElementsByTagName('ins');
insdel[1] = document.getElementsByTagName('del');
for (var i=0; i<insdel.length; i++)
{
if (insdel[i])
{
for (var id=0; id<insdel[i].length; id++)
{
var isdl = insdel[i][id].getAttribute('cite');
if ((isdl) && (isdl != ""))
{
idlink = document.createElementNS('http://www.w3.org/1999/xhtml', 'a');
idlink.setAttribute('href', isdl);
idlink.className = 'cite-link ' + (i == 0 ? 'ins-cite' : 'del-cite');
idlink.setAttribute('title','citation of ' + (i == 0 ? 'added' : 'deleted') + ' text');
idlink.appendChild(document.createTextNode('#'));
insdel[i][id].appendChild(idlink);
insdel[i][id].removeAttribute('cite');
}
}
}
}
}
// Force IE not to show alternate text as tooltip
function noAltTooltip()
{
images = document.getElementsByTagName('img');
for (var i = 0; i < images.length; i++)
{
var title = images[i].getAttribute('title');
var alt = images[i].getAttribute('alt');
if ((document.all) && (alt) && (!title))
{
images[i].setAttribute('title', '');
}
}
}
// Nice Titles
// original code by Stuart Langridge 2003-11
// with additions to the code by other good people
// http://www.kryogenix.org/code/browser/nicetitle/
// thank you, sir
// modified by Peter Janes 2003-03-25
// http://peterjanes.ca/blog/archives/2003/03/25/nicetitles-for-ins-and-del
// added in ins and del tags
// modified by Dunstan Orchard 2003-11-18
// http://1976design.com/blog/
// added in accesskey information
// tried ever-so-hard, but couldn't work out how to do what Ethan did
// final genius touch by by Ethan Marcotte 2003-11-18
// http://www.sidesh0w.com/
// worked out how to delay showing the popups to make them more like the browser's own
// set the namespace
var XHTMLNS = 'http://www.w3.org/1999/xhtml';
var CURRENT_NICE_TITLE;
// browser sniff
var browser = new Browser();
// determine browser and version.
function Browser()
{
var ua, s, i;
this.isIE = false;
this.isNS = false;
this.version = null;
ua = navigator.userAgent;
s = 'MSIE';
if ((i = ua.indexOf(s)) >= 0)
{
this.isIE = true;
this.version = parseFloat(ua.substr(i + s.length));
return;
}
s = 'Netscape6/';
if ((i = ua.indexOf(s)) >= 0)
{
this.isNS = true;
this.version = parseFloat(ua.substr(i + s.length));
return;
}
// treat any other 'Gecko' browser as NS 6.1.
s = 'Gecko';
if ((i = ua.indexOf(s)) >= 0)
{
this.isNS = true;
this.version = 6.1;
return;
}
}
// 2003-11-19 sidesh0w
// set delay vars to emulate normal hover delay
var delay;
var interval = 0.60;
// this function runs on window load
// it runs through all the links on the page as starts listening for actions
function makeNiceTitles()
{
if (!document.createElement || !document.getElementsByTagName) return;
if (!document.createElementNS)
{
document.createElementNS = function(ns, elt)
{
return document.createElement(elt);
}
}
// do regular links
if (!document.links)
{
document.links = document.getElementsByTagName('a');
}
for (var ti=0; ti<document.links.length; ti++)
{
var lnk = document.links[ti];
// * I added specific class names here..
if (lnk.title)
{
lnk.setAttribute('nicetitle', lnk.title);
lnk.removeAttribute('title');
addEvent(lnk, 'mouseover', showDelay);
addEvent(lnk, 'mouseout', hideNiceTitle);
addEvent(lnk, 'focus', showDelay);
addEvent(lnk, 'blur', hideNiceTitle);
}
}
// 2003-03-25 Peter Janes
// do ins and del tags
var tags = new Array(2);
tags[0] = document.getElementsByTagName('ins');
tags[1] = document.getElementsByTagName('del');
for (var tt=0; tt<tags.length; tt++)
{
if (tags[tt])
{
for (var ti=0; ti<tags[tt].length; ti++)
{
var tag = tags[tt][ti];
if (tag.dateTime)
{
var strDate = tag.dateTime;
// HTML/ISO8601 date: yyyy-mm-ddThh:mm:ssTZD (Z, -hh:mm, +hh:mm)
var month = strDate.substring(5,7);
var day = strDate.substring(8,10);
if (month[0] == '0')
{
month = month[1];
}
if (day[0] == '0')
{
day = day[1];
}
var dtIns = new Date(strDate.substring(0,4), month-1, day, strDate.substring(11,13), strDate.substring(14,16), strDate.substring(17,19));
tag.setAttribute('nicetitle', (tt == 0 ? 'Added' : 'Deleted') + ' on ' + dtIns.toString());
addEvent(tag, 'mouseover', showDelay);
addEvent(tag, 'mouseout', hideNiceTitle);
addEvent(tag, 'focus', showDelay);
addEvent(tag, 'blur', hideNiceTitle);
}
}
}
}
}
function findPosition(oLink)
{
if (oLink.offsetParent)
{
for (var posX = 0, posY = 0; oLink.offsetParent; oLink = oLink.offsetParent)
{
posX += oLink.offsetLeft;
posY += oLink.offsetTop;
}
return [posX, posY];
}
else
{
return [oLink.x, oLink.y];
}
}
function getParent(el, pTagName)
{
if (el == null)
{
return null;
}
// gecko bug, supposed to be uppercase
else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase())
{
return el;
}
else
{
return getParent(el.parentNode, pTagName);
}
}
// 2003-11-19 sidesh0w
// trailerpark wrapper function
function showDelay(e)
{
if (window.event && window.event.srcElement)
{
lnk = window.event.srcElement
}
else if (e && e.target)
{
lnk = e.target
}
if (!lnk) return;
// lnk is a textnode or an elementnode that's not ins/del
if (lnk.nodeType == 3 || (lnk.nodeType == 1 && lnk.tagName.toLowerCase() != 'ins' && lnk.tagName.toLowerCase() != 'del'))
{
// ascend parents until we hit a link
lnk = getParent(lnk, 'a');
}
delay = setTimeout("showNiceTitle(lnk)", interval * 1000);
}
// build and show the nice titles
function showNiceTitle(link)
{
if (CURRENT_NICE_TITLE) hideNiceTitle(CURRENT_NICE_TITLE);
if (!document.getElementsByTagName) return;
nicetitle = lnk.getAttribute('nicetitle');
var d = document.createElementNS(XHTMLNS, 'div');
d.className = 'nicetitle';
var dc = document.createElementNS(XHTMLNS, 'div');
dc.className = 'nicetitle-content';
d.appendChild(dc);
tnt = document.createTextNode(nicetitle);
pat = document.createElementNS(XHTMLNS, 'p');
pat.className = 'titletext';
pat.appendChild(tnt);
// 2003-11-18 Dunstan Orchard
// added in accesskey info
if (lnk.accessKey)
{
axs = document.createTextNode(' [' + lnk.accessKey + ']');
axsk = document.createElementNS(XHTMLNS, 'span');
axsk.className = 'accesskey';
axsk.appendChild(axs);
pat.appendChild(axsk);
}
dc.appendChild(pat);
if (lnk.href)
{
tnd = document.createTextNode(lnk.href);
pad = document.createElementNS(XHTMLNS, 'p');
pad.className = 'destination';
pad.appendChild(tnd);
dc.appendChild(pad);
}
STD_WIDTH = 300;
if (lnk.href)
{
h = lnk.href.length;
}
else
{
h = nicetitle.length;
}
if (nicetitle.length)
{
t = nicetitle.length;
}
h_pixels = h*6;
t_pixels = t*10;
if (h_pixels > STD_WIDTH)
{
w = h_pixels;
}
else if ((STD_WIDTH>t_pixels) && (t_pixels>h_pixels))
{
w = t_pixels;
}
else if ((STD_WIDTH>t_pixels) && (h_pixels>t_pixels))
{
w = h_pixels;
}
else
{
w = STD_WIDTH;
}
d.style.width = w + 'px';
mpos = findPosition(lnk);
mx = mpos[0];
my = mpos[1];
d.style.left = (mx+15) + 'px';
d.style.top = (my+35) + 'px';
if (window.innerWidth && ((mx+w) > window.innerWidth))
{
d.style.left = (window.innerWidth - w - 25) + 'px';
}
if (document.body.scrollWidth && ((mx+w) > document.body.scrollWidth))
{
d.style.left = (document.body.scrollWidth - w - 25) + 'px';
}
document.getElementsByTagName('body')[0].appendChild(d);
CURRENT_NICE_TITLE = d;
}
function hideNiceTitle(e)
{
// 2003-11-19 sidesh0w
// clearTimeout
if (delay) clearTimeout(delay);
if (!document.getElementsByTagName) return;
if (CURRENT_NICE_TITLE)
{
document.getElementsByTagName('body')[0].removeChild(CURRENT_NICE_TITLE);
CURRENT_NICE_TITLE = null;
}
}
addEvent(window, "load", floatImages);
addEvent(window, "resize", floatImages);
addEvent(window, "load", blockquoteCite);
addEvent(window, "load", insdelCite);
addEvent(window, "load", noAltTooltip);
addEvent(window, "load", makeNiceTitles);
// I'm very poor in JavaScript. Please correct me if I'm wrong.