Files
nlnieuws/www/tooltip.js
2026-04-12 13:20:57 +02:00

114 lines
3.6 KiB
JavaScript

var tooltip=function(){
var id = 'tt';
var top = 3;
var left = 3;
var maxw = 500;
var speed = 10;
var timer = 20;
var endalpha = 95;
var alpha = 0;
var tt,t,c,b,h;
var ie = document.all ? true : false;
return{
show:function(v,w,below){
if (v.search("<table") == 0) {
v = v.replace(/&lt;/g, "<")
.replace(/&gt;/g, ">")
.replace(/&quot;/g, "\"")
.replace(/&apos;/g, "'")
.replace(/&amp;/g, "&");
}
if(tt == null){
tt = document.createElement('div');
tt.setAttribute('id',id);
t = document.createElement('div');
t.setAttribute('id',id + 'top');
c = document.createElement('div');
c.setAttribute('id',id + 'cont');
b = document.createElement('div');
b.setAttribute('id',id + 'bot');
tt.appendChild(t);
tt.appendChild(c);
tt.appendChild(b);
document.body.appendChild(tt);
tt.style.opacity = 0;
tt.style.filter = 'alpha(opacity=0)';
}
document.onmousemove = below ? this.pos2 : this.pos;
tt.style.display = 'block';
c.innerHTML = v;
tt.style.width = w ? w + 'px' : 'auto';
if(!w && ie){
t.style.display = 'none';
b.style.display = 'none';
tt.style.width = tt.offsetWidth;
t.style.display = 'block';
b.style.display = 'block';
}
if(tt.offsetWidth > maxw){tt.style.width = maxw + 'px'}
h = parseInt(tt.offsetHeight) + top;
clearInterval(tt.timer);
tt.timer = setInterval(function(){tooltip.fade(1)},timer);
},
pos:function(e){
var u = ie ? event.clientY + document.documentElement.scrollTop : e.pageY;
var l = ie ? event.clientX + document.documentElement.scrollLeft : e.pageX;
var w = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
var o = window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft || 0;
var scroll = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0;
var top = u - h;
if (top < scroll + 10) {
top = scroll + 10;
}
tt.style.top = top + 'px';
if (w > maxw && l + maxw > w + o) {
tt.style.right = (w - l - left + 10) + 'px';
tt.style.left = 'auto';
} else {
tt.style.left = (l + left + 10) + 'px';
tt.style.right = 'auto';
}
},
pos2:function(e){
var u = ie ? event.clientY + document.documentElement.scrollTop : e.pageY;
var l = ie ? event.clientX + document.documentElement.scrollLeft : e.pageX;
var w = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
var o = window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft || 0;
var scroll = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0;
var top = u + 24;
if (top < scroll + 10) {
top = scroll + 10;
}
tt.style.top = top + 'px';
if (w > maxw && l + maxw > w + o) {
tt.style.right = (w - l - left + 10) + 'px';
tt.style.left = 'auto';
} else {
tt.style.left = (l + left + 10) + 'px';
tt.style.right = 'auto';
}
},
fade:function(d){
var a = alpha;
if((a != endalpha && d == 1) || (a != 0 && d == -1)){
var i = speed;
if(endalpha - a < speed && d == 1){
i = endalpha - a;
}else if(alpha < speed && d == -1){
i = a;
}
alpha = a + (i * d);
tt.style.opacity = alpha * .01;
tt.style.filter = 'alpha(opacity=' + alpha + ')';
}else{
clearInterval(tt.timer);
if(d == -1){tt.style.display = 'none'}
}
},
hide:function(){
clearInterval(tt.timer);
tt.timer = setInterval(function(){tooltip.fade(-1)},timer);
}
};
}();