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add filetable range-select with shift-pgup/pgdn,

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and retain file selection cursor when lazyloading more files
This commit is contained in:
ed 2023-08-25 19:34:37 +00:00
parent c9492d16ba
commit f7ceae5a5f
1 changed files with 36 additions and 5 deletions
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41
copyparty/web/browser.js
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@ -4679,6 +4679,7 @@ function hkhelp() {
} }
var fselgen, fselctr;
document.onkeydown = function (e) { document.onkeydown = function (e) {
if (e.altKey || e.isComposing) if (e.altKey || e.isComposing)
return; return;
@ -4723,15 +4724,26 @@ document.onkeydown = function (e) {
} }
if (aet == 'tr' && ae.closest('#files')) { if (aet == 'tr' && ae.closest('#files')) {
var d = ''; var d = '', rem = 0;
if (k == 'ArrowUp') d = 'previous'; if (k == 'ArrowUp') d = 'previous';
if (k == 'ArrowDown') d = 'next'; if (k == 'ArrowDown') d = 'next';
if (k == 'PageUp') { d = 'previous'; rem = 0.6; }
if (k == 'PageDown') { d = 'next'; rem = 0.6; }
if (d) { if (d) {
var el = ae[d + 'ElementSibling']; fselctr = 0;
if (el) { var gen = fselgen = Date.now();
if (rem)
rem *= window.innerHeight;
function selfun() {
var el = ae[d + 'ElementSibling'];
if (!el || gen != fselgen)
return;
el.focus(); el.focus();
var elh = el.offsetHeight;
if (ctrl(e)) if (ctrl(e))
document.documentElement.scrollTop += (d == 'next' ? 1 : -1) * el.offsetHeight; document.documentElement.scrollTop += (d == 'next' ? 1 : -1) * elh;
if (e.shiftKey) { if (e.shiftKey) {
clmod(el, 'sel', 't'); clmod(el, 'sel', 't');
@ -4739,8 +4751,17 @@ document.onkeydown = function (e) {
msel.selui(); msel.selui();
} }
return ev(e); rem -= elh;
if (rem > 0) {
ae = document.activeElement;
if (++fselctr % 5 && rem > elh * (FIREFOX ? 5 : 2))
selfun();
else
setTimeout(selfun, 1);
}
} }
selfun();
return ev(e);
} }
if (k == 'Space') { if (k == 'Space') {
clmod(ae, 'sel', 't'); clmod(ae, 'sel', 't');
@ -5776,9 +5797,15 @@ var treectl = (function () {
var nodes = res.dirs.concat(res.files), var nodes = res.dirs.concat(res.files),
html = mk_files_header(res.taglist), html = mk_files_header(res.taglist),
sel = r.lsc === res ? msel.getsel() : [], sel = r.lsc === res ? msel.getsel() : [],
ae = document.activeElement,
cid = null,
plain = [], plain = [],
seen = {}; seen = {};
if (ae && /^tr$/i.exec(ae.nodeName))
if (ae = ae.querySelector('a[id]'))
cid = ae.getAttribute('id');
r.lsc = res; r.lsc = res;
if (res.unlist) { if (res.unlist) {
var ptn = new RegExp(res.unlist); var ptn = new RegExp(res.unlist);
@ -5878,6 +5905,10 @@ var treectl = (function () {
else else
msel.origin_id(null); msel.origin_id(null);
if (cid) try {
ebi(cid).closest('tr').focus();
} catch (ex) { }
setTimeout(eval_hash, 1); setTimeout(eval_hash, 1);
} }