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Fix 'more...' links on the homepage

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This commit is contained in:
Yorhel 2012-07-05 10:36:22 +02:00
parent 187c3b8e87
commit 4f6ae4c539
3 changed files with 67 additions and 5 deletions
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59
www/man.js
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@ -6,6 +6,22 @@ var collapsed_icon = '▸';
function byId(n) {
return document.getElementById(n)
}
function byName(){
var d = arguments.length > 1 ? arguments[0] : document;
var n = arguments.length > 1 ? arguments[1] : arguments[0];
return d.getElementsByTagName(n);
}
function byClass() { // [class], [parent, class], [tagname, class], [parent, tagname, class]
var par = typeof arguments[0] == 'object' ? arguments[0] : document;
var t = arguments.length == 2 && typeof arguments[0] == 'string' ? arguments[0] : arguments.length == 3 ? arguments[1] : '*';
var c = arguments[arguments.length-1];
var l = byName(par, t);
var ret = [];
for(var i=0; i<l.length; i++)
if(hasClass(l[i], c))
ret[ret.length] = l[i];
return ret;
}
/* wrapper around DOM element creation
* tag('string') -> createTextNode
@ -40,6 +56,34 @@ function setText(obj, txt) {
obj.innerText = txt;
}
function listClass(obj) {
var n = obj.className;
if(!n)
return [];
return n.split(/ /);
}
function hasClass(obj, c) {
var l = listClass(obj);
for(var i=0; i<l.length; i++)
if(l[i] == c)
return true;
return false;
}
function setClass(obj, c, set) {
var l = listClass(obj);
var n = [];
if(set) {
n = l;
if(!hasClass(obj, c))
n[n.length] = c;
} else {
for(var i=0; i<l.length; i++)
if(l[i] != c)
n[n.length] = l[i];
}
obj.className = n.join(' ');
}
/* What follows is specific to manned.org */
@ -152,3 +196,18 @@ function navCreateLinks(nav) {
if(byId('nav'))
navCreate(byId('nav'));
// The "more..." links on the homepage.
if(byId('systems')) {
var f = function() {
var l = byName(this.parentNode, 'a', 'hidden');
for(var i=0; i<l.length; i++)
setClass(l[i], 'hidden', false);
setClass(this, 'hidden', true);
return false
};
var l = byClass(byId('systems'), 'a', 'more');
for(var i=0; i<l.length; i++)
l[i].onclick = f;
}