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fix markdown scrollmap desync on offsite images

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ed 2021-09-05 21:44:17 +02:00
parent da5f15a778
commit 16c1877f50
2 changed files with 31 additions and 1 deletions
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25
copyparty/web/md.js
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@ -73,6 +73,26 @@ function statify(obj) {
})();
// image load handler
var img_load = (function () {
var r = {};
r.callbacks = [];
function fire() {
for (var a = 0; a < r.callbacks.length; a++)
r.callbacks[a]();
}
var timeout = null;
r.done = function () {
clearTimeout(timeout);
timeout = setTimeout(fire, 500);
};
return r;
})();
// faster than replacing the entire html (chrome 1.8x, firefox 1.6x)
function copydom(src, dst, lv) {
var sc = src.childNodes,
@ -356,6 +376,10 @@ function convert_markdown(md_text, dest_dom) {
copydom(md_dom, dest_dom, 0);
var imgs = dest_dom.getElementsByTagName('img');
for (var a = 0, aa = imgs.length; a < aa; a++)
imgs[a].onload = img_load.done;
if (ext && ext[0].render2)
try {
ext[0].render2(dest_dom);
@ -490,6 +514,7 @@ function init_toc() {
// "main" :p
convert_markdown(dom_src.value, dom_pre);
var toc = init_toc();
img_load.callbacks = [toc.refresh];
// scroll handler

7
copyparty/web/md2.js
View file

@ -127,6 +127,12 @@ var draw_md = (function () {
})();
// discard TOC callback, just regen editor scroll map
img_load.callbacks = [function () {
map_pre = genmap(dom_pre, map_pre);
}];
// resize handler
redraw = (function () {
function onresize() {
@ -136,7 +142,6 @@ redraw = (function () {
dom_ref.style.width = getComputedStyle(dom_src).offsetWidth + 'px';
map_src = genmap(dom_ref, map_src);
map_pre = genmap(dom_pre, map_pre);
dbg(document.body.clientWidth + 'x' + document.body.clientHeight);
}
function setsbs() {
dom_wrap.setAttribute('class', '');