forked from ScoDoc/ScoDoc
101 lines
2.5 KiB
JavaScript
101 lines
2.5 KiB
JavaScript
/* -*- mode: javascript -*-
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* JavaScript for Help Bubbles (aka tooltips)
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*/
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function enableTooltips(id){
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var links,i,h;
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if(!document.getElementById || !document.getElementsByTagName) return;
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// AddCss();
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h=document.createElement("span");
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h.id="btc";
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h.setAttribute("id","btc");
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h.style.position="absolute";
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document.getElementsByTagName("body")[0].appendChild(h);
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if(id==null) links=document.getElementsByTagName("a");
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else links=document.getElementById(id).getElementsByTagName("a");
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for(i=0;i<links.length;i++){
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Prepare(links[i]);
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}
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}
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function Prepare(el){
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var tooltip,t,b,s,l;
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t=el.getAttribute("title");
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if(t==null || t.length==0)
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return; /* rien si pas de title. Was: t="link:"; */
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el.removeAttribute("title");
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tooltip=CreateEl("span","tooltip");
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s=CreateEl("span","top");
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s.appendChild(document.createTextNode(t));
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tooltip.appendChild(s);
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b=CreateEl("b","bottom");
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/* url du lien:
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l=el.getAttribute("href");
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if(l.length>30)
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l=l.substr(0,27)+"...";
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b.appendChild(document.createTextNode(l));
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*/
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tooltip.appendChild(b);
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setOpacity(tooltip);
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el.tooltip=tooltip;
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el.onmouseover=showTooltip;
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el.onmouseout=hideTooltip;
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el.onmousemove=Locate;
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}
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function showTooltip(e){
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document.getElementById("btc").appendChild(this.tooltip);
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Locate(e);
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}
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function hideTooltip(e){
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var d=document.getElementById("btc");
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if(d.childNodes.length>0)
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d.removeChild(d.firstChild);
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}
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function setOpacity(el){
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el.style.filter="alpha(opacity:95)";
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el.style.KHTMLOpacity="0.95";
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el.style.MozOpacity="0.95";
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el.style.opacity="0.95";
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}
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function CreateEl(t,c){
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var x=document.createElement(t);
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x.className=c;
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x.style.display="block";
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return(x);
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}
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function AddCss(){
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var l=CreateEl("link");
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l.setAttribute("type","text/css");
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l.setAttribute("rel","stylesheet");
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l.setAttribute("href","bubble.js");
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l.setAttribute("media","screen");
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document.getElementsByTagName("head")[0].appendChild(l);
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}
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function Locate(e){
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var posx=0,posy=0;
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if(e==null)
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e=window.event;
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if(e.pageX || e.pageY){
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posx=e.pageX; posy=e.pageY;
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}
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else if(e.clientX || e.clientY){
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if(document.documentElement.scrollTop){
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posx=e.clientX+document.documentElement.scrollLeft;
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posy=e.clientY+document.documentElement.scrollTop;
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}
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else{
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posx=e.clientX+document.body.scrollLeft;
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posy=e.clientY+document.body.scrollTop;
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}
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}
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document.getElementById("btc").style.top=(posy+10)+"px";
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document.getElementById("btc").style.left=(posx-20)+"px";
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}
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