(function callee(arg){
var tbl = arg || document.querySelectorAll('table.numbered-lines');
if(tbl && !arg){
if(tbl.length>1){
tbl.forEach( (t)=>callee(t) );
return;
}else{
tbl = tbl[0];
}
}
if(!tbl) return;
const F = window.fossil, D = F.dom;
const tdLn = tbl.querySelector('td.line-numbers');
const urlArgsRaw = (window.location.search||'?')
.replace(/&?\budc=[^&]*/,'')
.replace(/&?\bln=[^&]*/,'')
.replace('?&','?');
var urlArgsDecoded = urlArgsRaw;
try{urlArgsDecoded = decodeURIComponent(urlArgsRaw);}
catch{}
const lineState = { urlArgs: urlArgsDecoded, start: 0, end: 0 };
const lineTip = new F.PopupWidget({
style: {
cursor: 'pointer'
},
refresh: function(){
const link = this.state.link;
D.clearElement(link);
if(lineState.start){
const ls = [lineState.start];
if(lineState.end) ls.push(lineState.end);
link.dataset.url = (
window.location.toString().split('?')[0]
+ lineState.urlArgs + '&ln='+ls.join('-')
);
D.append(
D.clearElement(link),
' Copy link to '+(
ls.length===1 ? 'line ' : 'lines '
)+ls.join('-')
);
}else{
D.append(link, "No lines selected.");
}
},
init: function(){
const e = this.e;
const btnCopy = D.span(),
link = D.span();
this.state = {link};
F.copyButton(btnCopy,{
copyFromElement: link,
extractText: ()=>link.dataset.url,
oncopy: (ev)=>{
D.flashOnce(ev.target, undefined, ()=>lineTip.hide());
}
});
this.e.addEventListener('click', ()=>btnCopy.click(), false);
D.append(this.e, btnCopy, link)
}
});
tbl.addEventListener('click', ()=>lineTip.hide(), true);
tdLn.addEventListener('click', function f(ev){
if('SPAN'!==ev.target.tagName) return;
else if('number' !== typeof f.mode){
f.mode = 0;
f.spans = tdLn.querySelectorAll('span');
f.selected = tdLn.querySelectorAll('span.selected-line');
f.unselect = (e)=>D.removeClass(e, 'selected-line','start','end');
}
ev.stopPropagation();
const ln = +ev.target.innerText;
if(2===f.mode){
f.mode = 0;
}
if(0===f.mode){
lineState.end = 0;
lineState.start = ln;
f.mode = 1;
}else if(1===f.mode){
if(ln === lineState.start){
lineState.start = 0;
f.mode = 0;
}else{
if(ln<lineState.start){
lineState.end = lineState.start;
lineState.start = ln;
}else{
lineState.end = ln;
}
f.mode = 2;
}
}
if(f.selected){
f.selected.forEach(f.unselect);
f.selected = undefined;
}
if(0===f.mode){
lineTip.hide();
}else{
const rect = ev.target.getBoundingClientRect();
f.selected = [];
if(f.spans.length>=lineState.start){
let i = lineState.start, end = lineState.end || lineState.start, span = f.spans[i-1];
for( ; i<=end && span; span = f.spans[i++] ){
span.classList.add('selected-line');
f.selected.push(span);
if(i===lineState.start) span.classList.add('start');
if(i===end) span.classList.add('end');
}
}
lineTip.refresh().show(rect.right+3, rect.top-4);
}
}, false);
})();