s4
view s4-main.js @ 984:a094bd547d6b
Escape chars in hover string
| author | HIROSE Yuuji <yuuji@gentei.org> |
|---|---|
| date | Sun, 26 Jun 2022 14:10:54 +0900 |
| parents | f5a7fbd6c0d0 |
| children | e71a86651d72 |
line source
1 // 愛
2 (function (){
3 var isOlderJS; // Set in init();
4 var hoverTextLines = 10;
5 var hasTouchPad =
6 (navigator.maxTouchPoints && navigator.maxTouchPoints >0);
7 var myurl = document.URL,
8 mypath = myurl.substring(myurl.lastIndexOf("/"));
9 var art_m_list = [];
10 var mathjax = false;
11 let input_pdfsw = 'input[name="comppdf"]';
12 if (mypath.match(/(.*)\/(.*)/)) {
13 mypath = RegExp.$2;
14 mypath = mypath.substring(0, mypath.lastIndexOf("?"));
15 //alert("mypath="+mypath);
16 }
17 function escapeChars(old) {
18 return old.replaceAll('"', '"')
19 .replaceAll("<", '<')
20 .replaceAll(">", '>');
21 }
22 function collectElementsByAttr(elm, attr, val) {
23 var e = document.getElementsByTagName(elm);
24 if (!e) return null;
25 var list = [];
26 for (var i of e) {
27 if (i.getAttribute(attr) == val)
28 list.push(i)
29 }
30 return list;
31 }
32 function nthChildOf(parent, n, elem) { // Return Nth child of type ELEM
33 // N begins with 1
34 var i=0;
35 var le = elem.toLowerCase();
36 for (var c of parent.childNodes) {
37 if (!c.tagName) continue;
38 if (c.tagName.toLowerCase() == le) {
39 if (++i >= n) return c;
40 }
41 }
42 return null;
43 }
44 function insertRedirect(e) {
45 var articleId, textarea = document.getElementById("text");
46 var p = e.target, checked = p.checked;
47 while (p = p.parentNode)
48 if (p.nodeName.match(/^td$/i)) break;
49 if (!p) return;
50 while (p = p.nextSibling)
51 if (p.nodeName.match(/^td$/i)) break;
52 if (!p) return;
53 articleId = p.getAttribute("id");
54 if (textarea && articleId) {
55 var tv = textarea.value, lines;
56 if (tv)
57 lines = tv.split("\n");
58 else
59 lines = [""];
60 var re = new RegExp("[, ]*#"+articleId+"(?![0-9])");
61 checked = (p.nodeName.match(/^input$/)
62 ? p.checked // checkbox obeys its status
63 : !lines[0].match(re)) // a-elment toggles redirection
64 if (checked) {
65 if (!lines[0].match(re)) {
66 var re2 = new RegExp(/>#[#0-9, ]+[0-9]/);
67 if (lines[0].match(re2))
68 lines[0] = lines[0].replace(
69 re2, '$&, '+'#'+articleId);
70 else {
71 if (lines[0] > "") lines[0] = " "+lines[0];
72 lines[0] = ">#"+articleId+lines[0];
73 }
74 }
75 } else { // Remove #xxxxx
76 if (lines[0].match(/^>#[0-9 ,]+#/)) // 2 or more #id's
77 lines[0] = lines[0].replace(
78 new RegExp("^>#"+articleId+"[ ,]*"), ">").replace(
79 new RegExp("[ ,]*#"+articleId), "");
80 else {
81 lines[0] = lines[0].replace(
82 new RegExp(">#"+articleId+"[ ,]*"), "");
83 }
84 }
85 lines[0] = lines[0].replace(/^> *$/, '');
86 textarea.value = lines.join("\n");
87 }
88 }
89 function registPjaxViewers(aHrefList) {
90 let apos=art_m_list.length;
91 for (let a of aHrefList) {
92 let href = a.getAttribute("href");
93 let localvar = apos;
94 let td = a.parentNode,
95 tr = td.parentNode,
96 id = td.id,
97 text = td.textContent,
98 author = tr.getElementsByTagName("a");
99 if (author) author = author[0].getAttribute("title");
100 if (href.match(/\?showattc\+article_m\+([0-9]+)$/)) {
101 if (td.innerHTML.match(/読み取り不可/)) {
102 a.removeAttribute("href");
103 continue;
104 }
105 let url = RegExp.lastMatch;
106 // console.log("pjaxView(e, "+href+", "+apos+")");
107 a.addEventListener("click", function(e) {
108 // Shoud use closure local variable: localvar
109 pjaxView(e, href, localvar);
110 }, false);
111 apos++;
112 art_m_list.push({
113 url: href, id: id, author: author, text: text
114 });
115 }
116 }
117 }
118 function registInsertDirect(aHrefList) {
119 for (i of aHrefList)
120 if (i.getAttribute("href").match(/^#[0-9]+$/))
121 if (RegExp.lastMatch == i.innerHTML)
122 i.addEventListener("click", insertRedirect, false)
123 }
124 function mathjaxUpdate(arg) {
125 try {
126 if (MathJax && MathJax.typesetPromise) {
127 MathJax.texReset(); // Reset Math counters
128 MathJax.typesetPromise(arg); // MathJax v3
129 }
130 } catch (err) {console.log(err);}
131 }
132 var ajaxSubmit;
133 function replAddNews(newtable) {
134 let newids = [], idlist=[];
135 let getArticleID = function (td) {
136 return parseInt(td.parentNode.getElementsByTagName("td")[1].id);
137 }
138 for (let i of newtable.querySelectorAll("td.repl"))
139 newids.push(i);
140 newids = newids.sort((a,b)=> {
141 return (getArticleID(a) - getArticleID(b));
142 });
143 for (i of newids)
144 idlist.push(getArticleID(i));
145 console.log("IDList="+idlist.join());
146 let cnt=0, ntr;
147 let current = collectElementsByAttr("td", "class", "repl"),
148 ncur=0, n, icur=0, o, oid, nid, otr;
149 current = document.querySelectorAll('td[class="repl"]');
150 let last=current[current.length-1],
151 tbody = last.parentNode.parentNode;
152 let addEventsToNewTr = function(tr) {
153 let td = tr.getElementsByTagName("td"),
154 td0 = td[0], td1 = td[1];
155 td0.classList.add("new");
156 registInsertDirect(td0.querySelectorAll("a[href]"));
157 registPjaxViewers(td1.querySelectorAll("a[href]"));
158 }
159 // Erase all "new article" flags before merging
160 for (let i of document.querySelectorAll("td.new"))
161 i.classList.remove("new");
162 // Now reconstruct articles with merge-sort like method
163 outer: for (; ncur<newids.length; ncur++) {
164 n = newids[ncur];
165 if (!n.id) continue;
166 nid = parseInt(n.id);
167 if (nid<=0) continue;
168 ntr = n.parentNode;
169 for (; icur<current.length; icur++) {
170 o = current[icur];
171 otr = o.parentNode;
172 oid = getArticleID(o);
173 if (!oid || oid=="") continue;
174 if (oid >= nid) {
175 addEventsToNewTr(ntr);
176 tbody.insertBefore(ntr, otr);
177 if (oid==nid) otr.remove();
178 cnt++;
179 continue outer;
180 }
181 }
182 // Append absolutely new articles.
183 ntr = n.parentNode;
184 addEventsToNewTr(ntr)
185 tbody.appendChild(atMarkView(ntr));
186 ntr.classList.add("dissolving");
187 let localntr = ntr;
188 setTimeout(() => {
189 localntr.classList.remove("dissolving");
190 localntr.classList.add("emerging");
191 }, 100);
192 rewriteReplyHover(ntr);
193 cnt++;
194 }
195 mathjaxUpdate(newids);
196 console.log("Update "+cnt+"rows");
197 if (cnt>0 && ntr.scrollIntoView) {
198 let option = {behavior: "smooth"};
199 if (!isOlderJS) option.block = "center";
200 try { // Scroll to last updated row
201 ntr.scrollIntoView(option);
202 } catch (e1) {}
203 }
204 return cnt;
205 }
207 function warnFileSize(form) {
208 let szmax = form.querySelector('input[name="filesize_max"]').value;
209 if (!szmax || szmax=="") return;
210 szmax = parseInt(szmax);
211 if (szmax <= 0) return;
212 // szmax = 10000
213 let ng = "", rcval=false, fileexists=false,
214 pdfsw = form.querySelector(input_pdfsw),
215 pdfmsg = "Try compressing PDF?\nPDFを圧縮してみますか?\n" +
216 "(それでも収まらない場合もあります)";
217 for (let f of form.querySelectorAll('input[type="file"]')) {
218 let thiserr = false;
219 for (let i of f.files) {
220 fileexists = true;
221 let fn = i.name, sz = i.size;
222 console.log("max="+szmax+", fn="+fn+", sz="+sz);
223 if (sz > szmax) {
224 if (fn.match(/\.pdf/i)
225 && sz < szmax*3 // XXX : x3 reasonable?
226 && (pdfsw || confirm(pdfmsg))) {
227 if (!pdfsw) {
228 pdfsw = document.createElement("input");
229 pdfsw.name = "comppdf";
230 pdfsw.type = "hidden";
231 f.parentNode.insertBefore(pdfsw, f);
232 pdfsw.value = "yes";
233 }
234 } else {
235 thiserr = true;
236 ng += ((ng>"" ? ", " : "")+fn)
237 }
238 }
239 }
240 thiserr ? f.classList.add("warnbg") : f.classList.remove("warnbg");
241 }
242 if (ng>"") {
243 rcval = "File-size Limit Error: "+ng+"\n"+
244 "Should be less than "+szmax+"bytes.\n"+
245 szmax+"バイト未満にしてください"
246 alert(rcval);
247 }
248 if (form.text.value == "") {
249 let w;
250 if (fileexists)
251 w = "Fill the text area\n" +
252 "添付したファイルに関する説明を入れてください。";
253 else
254 w = "Enter your comment!\n何か書き込んでね!";
255 alert(w);
256 rcval = (rcval || w);
257 form.text.classList.add("warnbg");
258 setTimeout(() => {form.text.classList.remove("warnbg");}, 2000)
259 }
260 return rcval;
261 }
262 function ajaxPost(e) {
263 e.preventDefault();
264 let rowid;
265 if (!myurl.match(/replyblog\+([0-9]+)/)) return;
266 rowid = RegExp.$1
267 let myform = document.querySelector("form.replyblog");
268 let data = new FormData(myform),
269 fetchtime = data.get("fetchtime");
270 if (!fetchtime || fetchtime=="") return;
271 ///*XX*/fetchtime = "2020-06-14T00:00:00";data.set("fetchtime", fetchtime)
273 ajaxSubmit = e.target;
274 ajaxSubmit.back = ajaxSubmit.textContent;
275 if (ajaxSubmit.id == "reload") {
276 ajaxSubmit.textContent = "更新中"
277 data.set("text", "")
278 } else {
279 if (warnFileSize(myform)) return;
280 ajaxSubmit.textContent = "送信中";
281 }
282 ajaxSubmit.blur();
283 ajaxSubmit.disabled = true;
284 let act = mypath+"?blog_fetch+"+rowid+"+f:"+fetchtime;
286 function respUpdate(tbody) {
287 ajaxSubmit.textContent = ajaxSubmit.back;
288 ajaxSubmit.disabled = false;
289 let div = document.createElement("div"), form, newform;
290 try {
291 div.innerHTML = tbody;
292 form = div.querySelector("form");
293 } catch (er) {
294 alert("Cannot parse fetch data");
295 return;
296 }
297 let update = replAddNews(form);
298 let dispelem = myform.querySelector("textarea").parentNode;
299 if (div.querySelector('input[name="user"]')) { // is login form
300 dispInfoMomentary("Login Again Please", dispelem)
301 return;
302 }
303 newform = new FormData(form);
304 if (data.get("text") > "") { // Called by submit button
305 myform.reset();
306 let pdfsw = myform.querySelector(input_pdfsw);
307 if (pdfsw) pdfsw.remove();
308 // myform.text.value = '';
309 }
310 myform.fetchtime.value = newform.get("fetchtime");
311 myform.id.value = newform.get("id");
312 if (update && update > 0) {
313 let s = update + " new article" +
314 (update>1 ? "s" : "") + " posted";
315 dispInfoMomentary(s, dispelem);
316 }
317 }
318 fetch(act, {
319 method: "POST", body: data,
320 credentials: "include" // For older firefox
321 }).then((resp) => {
322 return resp.text();
323 }).then((tbody) => {
324 respUpdate(tbody);
325 })
326 }
327 function pjaxView(ev, url, mynum) {
328 if (ev.ctrlKey||ev.shiftKey) return;
329 ev.preventDefault();
330 let box = document.createElement("div")
331 box.setAttribute("class", "pjaxview");
332 let p1 = document.createElement("p"),
333 bt = document.createElement("button"),
334 sl = document.createElement("button"),
335 sr = document.createElement("button"),
336 loading = document.createElement("span"),
337 info = document.createElement("p");
338 info1 = document.createElement("span");
339 info2 = document.createElement("span");
340 iframe = document.createElement("iframe");
341 var curpos = mynum;
342 var historyBase = history.length;
344 function _setPjaxCurposInfo() {
345 let len = art_m_list.length;
346 let cur = art_m_list[curpos]
347 info1.textContent = (1+curpos)+" of "+len+" article #"+cur.id+
348 (cur.author ? " by "+cur.author : "") + ":";
349 info2.textContent = cur.text.trim();
350 info2.setAttribute("class", "border textdigest");
351 }
352 function _resetPjax() {
353 // All we can do surely is to back 1 page,
354 // because we cannot move to desirable entry of history list.
355 history.back();
356 }
357 function setSwipeAct(iframe) {
358 // We cannot use DOMContentLoaded nor iframe.contentWindow here.
359 // PDF.js does not construct contentWindow...?
360 iframe.addEventListener("load", () => {
361 loading.classList.remove("loading");
362 if (!hasTouchPad) return;
363 let ifm = iframe.contentDocument;
364 let startX, moveX, thresh = 100;
365 ifm.addEventListener("touchstart", (e) => {
366 e.preventDefault();
367 startX = e.touches[0].pageX;
368 }, false);
369 ifm.addEventListener("touchmove", (e) => {
370 e.preventDefault();
371 moveX = e.touches[0].pageX;
372 }, false);
373 ifm.addEventListener("touchend", (e) => {
374 if (startX < moveX && startX + thresh < moveX) {
375 switchTo(e, -1);
376 } else if (startX > moveX && startX - thresh > moveX) {
377 switchTo(e, +1);
378 }
379 }, false);
380 }, false);
382 }
383 function switchTo(e, direction) {
384 e.preventDefault();
385 let len = art_m_list.length, cur, newpos, url;
386 newpos = (curpos+len+direction)%len;
387 if (curpos == newpos) return; // No need to switch to same one
388 curpos = newpos;
389 cur = art_m_list[curpos];
390 url = cur.url;
391 // We should remove iframe once to preserve history Object
392 // https://inthetechpit.com/2019/04/20/update-iframe-without-affecting-browser-history/
393 let parent = iframe.parentNode;
394 // alert("D = "+direction);
395 iframe.remove();
396 parent.appendChild(iframe);
397 try {
398 loading.classList.add("loading");
399 iframe.src = url;
400 // iframe.contentDocument.location.replace(url);
401 // location.replace cannot be used because PDF viewer.js
402 // does not have iframe.contentDocument
403 } catch (err) {
404 alert("Cannot load "+src+" : "+err.name);
405 }
406 _setPjaxCurposInfo();
407 setSwipeAct(iframe);
408 }
409 function switchToByKey(e) {
410 // alert("KEY="+e.key);
411 switch (e.key) {
412 case "ArrowLeft":
413 switchTo(e, -1); break;
414 case "ArrowRight":
415 switchTo(e, +1); break;
416 case "Escape":
417 history.back();
418 }
419 }
420 // <div><p>
421 // <button> << </button><button>Dismiss</button><button> >> </button>
422 // </p><p><span> info1 </span> <span> info2 </span></p>
423 // <iframe src="..."></iframe>
424 // </div>
425 // ==> [ << ][Dissmiss][ >> ]
426 // ==> ## of ## article #xxx by AUTHOR
427 sl.textContent = " << ";
428 sr.textContent = " >> ";
429 sl.addEventListener("click", (e) => {switchTo(e, -1);});
430 sr.addEventListener("click", (e) => {switchTo(e, +1);});
431 sl.setAttribute("title", "to="+(mynum-1));
432 sr.setAttribute("title", "to="+(mynum+1));
433 document.body.appendChild(box);
434 bt.textContent = "Click to dismiss / もどる"+mynum;
436 box.appendChild(p1);
437 p1.appendChild(sl); p1.appendChild(bt); p1.appendChild(sr);
438 { // TEST: Normal mode
439 let only = document.createElement("button"),
440 h = location.href;
441 only.textContent = ".oO□";
442 only.setAttribute("title", "Open in Normal Window");
443 only.addEventListener("click", function() {
444 location.replace(iframe.src);
445 });
446 p1.appendChild(only);
447 }
448 p1.appendChild(loading);
449 info.appendChild(info1); info.appendChild(info2);
450 loading.textContent=" Loading...";
451 loading.classList.add("hidden");
452 loading.classList.add("loading");
453 box.appendChild(info);
454 iframe.src = url;
456 box.addEventListener("keydown", switchToByKey);
457 //box.addEventListener("click", (e) => {_resetPjax();});
458 bt.addEventListener("click", (e) => {_resetPjax();});
459 // dp.addEventListener("click", (e) => {_resetPjax();});
460 info.addEventListener("click", (e) => {_resetPjax();});
461 box.appendChild(iframe);
463 setSwipeAct(iframe);
465 _setPjaxCurposInfo();
466 bt.focus();
467 setTimeout(() => {box.classList.add("pjaxview2");}, 10);
468 // Finally update history stack
469 pjaxHistoryPush(box);
470 }
471 function pjaxHistoryPush(box) {
472 if (history.pushState) {
473 let h = location.href.replace(/#.*/, '')+"#pjaxview";
474 history.pushState({url: h}, null, h);
475 window.addEventListener("popstate", (e) => {
476 if (box) {
477 box.remove(); box = null;
478 }
479 }, false);
480 }
481 }
482 function reverseChecks() {
483 var names = collectElementsByAttr("input", "name", "usel");
484 for (let u of names) {
485 u.checked = !u.checked;
486 }
487 }
488 function renumberOL(str, start) {
489 var stra = str.split("\n");
490 for (var i=1; i<stra.length; i++) {
491 if (stra[i].match(/^[1-9][0-9]*\. /)) {
492 let orig=stra[i];
493 stra[i] = (++start)+". "+RegExp.rightContext;
494 } else if (stra[i].match(/^ /)) {
495 continue;
496 } else
497 break;
498 }
499 return stra.join("\n");
500 }
501 function submitThisForm(e) {
502 var input = e.target, ajaxpost = document.getElementById("c");
503 for (var elm=input.parentNode; elm; elm = elm.parentNode) {
504 if (ajaxpost) {
505 ajaxpost.click();
506 return true;
507 } else if (elm.nodeName.match(/form/i)) {
508 elm.submit();
509 return true;
510 }
511 }
512 return false;
513 }
514 function helpMarkdownBS(e) {
515 var area = e.target, pos = area.selectionStart, text = area.value;
516 if (area.selectionStart != area.selectionEnd) return;
517 if (pos<2) return;
518 if (text.substr(pos-1, 2)=="\n\n") return;
519 var bol = text.lastIndexOf("\n", pos-1),
520 eol = text.indexOf("\n", pos);
521 if (bol<=0 || bol==eol) return;
522 var thisline = text.substring(bol+1, eol==-1 ? text.length : eol);
523 thisline = text.substring(bol+1, pos);
524 if (thisline == "* ") {
525 area.setSelectionRange(pos-2, pos);
526 } else if (thisline.match(/^[1-9][0-9]*\. $/)) {
527 area.setSelectionRange(pos-RegExp.lastMatch.length, pos);
528 }
529 }
530 function helpMarkdownEnter(e) {
531 if (e.keyCode == 13 && !e.shiftKey) {
532 if (e.ctrlKey && submitThisForm(e)) {
533 e.preventDefault();
534 return;
535 }
536 var area = e.target;
537 var pos = area.selectionStart, text = area.value;
538 if (pos==0) return;
539 var last = text.lastIndexOf("\n", pos-1);
540 var rest = text.substring(pos), rest0=rest;
541 var line = last ? text.substring(last+1, pos) : text;
542 var next = rest.substring(rest.indexOf("\n"))||rest;
543 next=next.substring(1);
544 var tail = text.substring(pos-2, pos), br = (tail==" ");
545 var add = "", offset = 1;
546 if (line.startsWith("* ")) {
547 add = "* ";
548 offset += add.length;
549 if (br) {
550 add = " " + "\n" + add;
551 }
552 } else if (line.match(/^([1-9][0-9]*)\. /)) {
553 var ln = parseInt(RegExp.$1), nn=ln+1,
554 len = RegExp.lastMatch.length;
555 add = nn+". ";
556 let toeol = text.substr(pos, text.indexOf("\n"));
557 if (br) {
558 if (next.startsWith(add)) {
559 add=" ".repeat(len);
560 nn = ln;
561 } else {
562 add = " ".repeat(len)+ "\n" + add;
563 offset -= len+1;
564 }
565 }
566 if (next.match(/^[1-9][0-9]*\. /))
567 rest = renumberOL(rest, nn);
568 offset += add.length;
569 } else if (line.match(/^\|( *).+\|/)) {
570 add = "|" + RegExp.$1 + " |";
571 offset += add.length-2;
572 } else {
573 return;
574 }
575 e.preventDefault();
576 if (!document.execCommand("insertText", false, "\n"+add)) {
577 //Firefox
578 area.selectionEnd = area.value.length;
579 area.setRangeText("\n"+add+rest);
580 area.selectionEnd = null;
581 } else {
582 area.selectionEnd = area.value.length;
583 area.setSelectionRange(area.selectionStart, area.value.length);
584 document.execCommand("insertText", false, rest);
585 area.selectionEnd = null;
586 area.focus();
587 }
588 area.selectionStart = pos+offset;
589 return;
590 if (document.execCommand("insertText", false, "\n"+add)) {
591 //area.setSelectionRange(area.selectionStart, text.length);
592 // alert("rest=["+rest+"], add=["+add+"]");
593 alert(text.substring(pos, area.value.length));
594 if (rest != rest0) {
595 area.setSelectionRange(pos, area.value.length);
596 return;
597 document.execCommand("delete");
598 }
599 document.execCommand("insertText", false, rest);
600 } else {
601 // Firefox cannot use insertText in textarea...
602 area.value = text.substring(0, pos) + "\n" + add + rest;
603 }
604 //area.setSelectionRange(pos+length(add));
605 area.selectionStart=area.selectionEnd = (pos + offset);
607 }
608 }
609 var helpParenPreview = 0;
610 function helpMarkdownParen(e) {
611 if (!mathjax) return;
612 var area = e.target, pos = area.selectionStart, text = area.value;
613 if (pos<2) return;
614 if (text[pos-1] == "\\") {
615 let ins="( \\)";
616 if (text[pos-2] == "\\") ins="( \\\\)";
617 area.setRangeText(ins, pos, pos);
618 area.selectionStart = pos+2;
619 if (helpParenPreview++ < 1) {
620 dispInfoMomentary("Preview formula by Meta-p\n"+
621 "Meta-p で数式プレビュー", e.target.parentNode);
622 }
623 e.preventDefault();
624 }
625 }
626 function textInsert(area, string, pos1, pos2) {
627 console.log("str="+string);
628 area.setRangeText(string, pos1||area.selectionStart,
629 pos2||pos1||area.selectionStart);
630 area.selectionStart += string.length;
631 }
632 function beginningOfLine(area, pos) {
633 pos = pos||area.selectionStart;
634 let b = area.value.lastIndexOf("\n", pos);
635 if (pos>1 && area.value.charCodeAt(pos)==10)
636 b = area.value.lastIndexOf("\n", pos-1);;
637 return b>=0 ? b : 0;
638 }
639 function isInBeginEnd(area, pos){
640 pos = pos||area.selectionStart;
641 let bol = beginningOfLine(area, pos);
642 let thisline = area.value.substr(bol);
643 console.log("curchar="+area.value.charCodeAt(pos));
644 console.log("prechar="+area.value.charCodeAt(pos-1));
645 console.log("bol="+bol+", thisline="+thisline);
646 let match = thisline.search(/\\(begin|end){([A-Za-z]*)/), lm, be;
647 if (match >= 0) {
648 lm = RegExp.lastMatch;
649 be = RegExp.$1;
650 return RegExp.$2
651 }
652 return null;
653 }
654 function helpMarkdownBrace(e) {
655 if (!mathjax) return;
656 var area = e.target, pos = area.selectionStart, text = area.value,
657 begin = "\\begin", end = "\\end";
658 if (pos < end.length) return;
659 if (text.substr(pos-end.length).startsWith(end)) {
660 let beg = text.lastIndexOf(begin, pos);
661 if (beg >= 0) {
662 let env = text.substr(beg).search(/\\begin{(.*?)}/);
663 if (env >= 0) {
664 textInsert(area, "{"+RegExp.$1+"}", pos);
665 e.preventDefault();
666 }
667 }
668 }
669 }
670 function helpMarkdownBraceClose(e) {
671 if (!mathjax) return;
672 let area = e.target, pos = area.selectionStart, text = area.value,
673 begin = "\\begin", end = "\\end";
674 if (text.substr(pos).startsWith("}")) {
675 area.setRangeText("", pos, pos+1);
676 // e.preventDefault();
677 }
678 let inbegend = isInBeginEnd(area, pos);
679 if (!inbegend) return;
680 let nextendpos = text.substr(pos).indexOf("\\end{");
681 let nextcurend = text.substr(pos).indexOf("\\end{"+inbegend+"}");
682 if (nextcurend<0 || nextendpos!=nextcurend) {
683 area.setRangeText("}\n\n\\end{"+inbegend+"}", pos, pos);
684 area.selectionStart = pos+2;
685 e.preventDefault();
686 }
687 console.log(inbegend);
689 }
690 function helpMarkdownPreview(area) {
691 if (!mathjax) {
692 alert("no"+e.target)
693 dispInfoMomentary("This board has no MathJax mode.\n"+
694 "この掲示板は数式モードOFFです。",
695 e.target.parentNode);
696 return;
697 }
698 let text = area.value;
699 let preview = document.createElement("div");
700 let bp = document.createElement("p");
701 let btn = document.createElement("button");
702 btn.innerText = "Click or ESC to Dissmiss / クリックかESCで戻る";
703 bp.classList.add("c");
704 preview.classList.add("pjaxview");
705 preview.classList.add("pjaxview2");
706 let pre = document.createElement("p");
707 bp.appendChild(btn);
708 preview.appendChild(bp);
709 preview.appendChild(pre);
710 pre.innerText = text;
711 document.body.appendChild(preview);
712 function dismiss(t) {
713 history.back();
714 preview.remove();
715 area.focus();
716 }
717 preview.addEventListener("click", dismiss, false);
718 preview.addEventListener("keydown", dismiss, false);
719 MathJax.typesetPromise([pre]);
720 pjaxHistoryPush(preview);
721 btn.focus();
722 }
723 function helpMarkdownAt(e) {
724 var area = e.target, pos = area.selectionStart;
725 if (pos == 0) {
726 area.value = "@all" + area.value;
727 area.selectionStart = area.selectionEnd = 4;
728 dispInfoMomentary("@all で全員に通知します", area.parentNode);
729 e.preventDefault();
730 }
731 }
732 function helpMarkdown(e) {
733 switch (e.key) {
734 case "Backspace": helpMarkdownBS(e); break;
735 case "Enter": helpMarkdownEnter(e); break;
736 case "(": helpMarkdownParen(e); break;
737 case "p": if (e.metaKey) helpMarkdownPreview(e.target); break;
738 case "{": helpMarkdownBrace(e); break;
739 case "}": helpMarkdownBraceClose(e); break;
740 case "@": helpMarkdownAt(e); break;
741 }
742 }
743 /* Init event listeners */
744 function addFileInput() {
745 var inpfile = collectElementsByAttr("input", "name", "image");
746 if (!inpfile) return;
747 var filled = true;
748 var i, ih;
749 for (i of inpfile) {
750 if (! i.value) filled=false;
751 }
752 if (filled) {
753 ih = i.parentNode.innerHTML;
754 if (ih) {
755 var inpf = ih.substring(ih.indexOf("<input")),
756 newi = "<br>"+inpf.substring(0, inpf.indexOf(">")+1);
757 i.insertAdjacentHTML("afterend", newi)
758 i.nextSibling.nextSibling.addEventListener('change', () => {
759 // next==br next.next==input[type=file]
760 warnFileSize(document.forms[0]);
761 });
762 }
763 }
764 }
765 function initFileInput() { // Multiplies "input type=file"
766 var el, morefile = document.getElementById("morefile");
767 if (morefile) {
768 for (el of collectElementsByAttr("input", "name", "image")) {
769 el.addEventListener("change", function(ev) {
770 if (ev.target.value > "" && ev.target.files.length == 1)
771 morefile.style.visibility = "visible";
772 // No need to hide again, sure?
773 });
774 }
775 morefile.addEventListener("click", addFileInput, null);
776 }
777 // When renaming, select basename part
778 for (el of collectElementsByAttr("input", "class", "mv")) {
779 el.addEventListener("focus", function(ev) {
780 var i = ev.target;
781 if (i) {
782 i.setSelectionRange(0, i.value.lastIndexOf("."));
783 }
784 });
785 }
786 }
787 function initTextarea() {
788 var te = collectElementsByAttr("textarea", "name", "text");
789 if (!te || !te[0]) return;
790 te[0].addEventListener("keydown", helpMarkdown, false);
791 }
792 function atMarkView(elem) {
793 // Enclose "@all" with span
794 for (i of elem.querySelectorAll("td.repl")) {
795 let ii = i.innerHTML;
796 if (ii.startsWith("@all")) {
797 ii = ii.replace(/^@all/,'<div class="atall">@all</div>');
798 i.innerHTML = ii;
799 }
800 }
801 return elem;
802 }
803 var quizwarnVisible = false;
804 function toggleAuthorVisibility(e) {
805 // In QUIZ mode, click to quizwarn line toggles visibility of author
806 e.stopPropagation();
807 if (quizwarnVisible) {
808 for (let i of document.querySelectorAll("td.repatt")) {
809 i.classList.remove("hideauthor");
810 }
811 quizwarnVisible = false;
812 } else {
813 for (let i of document.querySelectorAll("td.repatt")) {
814 i.classList.add("hideauthor");
815 }
816 quizwarnVisible = true;
817 }
818 }
819 function initBlogs() {
820 // Auto-complete #xxxx
821 let i, check = collectElementsByAttr("input", "name", "notifyto");
822 if (check)
823 for (i of check) {
824 i.addEventListener("click", insertRedirect, false);
825 }
826 registInsertDirect(document.querySelectorAll("a[href]"));
827 if (myurl.match(/replyblog\+[0-9]/)
828 && document.querySelector("td.repl")) {
829 // There's no need to provide ajax posting when
830 // no replies written to the blog. Therefore we
831 // assign ajax post when td.repl exists.
832 for (i of document.querySelectorAll('input#c[value="送信"]')) {
833 let b = document.createElement("button");
834 b.textContent = "送信!";
835 console.log("b="+b+", tc="+b.textContent);
836 b.addEventListener("click", ajaxPost, false);
837 // i.insertAdjacentElement('afterend', b);
838 b.setAttribute("class", i.getAttribute("class"))
839 b.setAttribute("title", i.getAttribute("title"))
840 i.parentNode.replaceChild(b, i);
841 b.id = i.id;
842 // i.remove();
843 i.classList.add("aux");
844 i.value = "送信(予備)"
845 b.parentNode.appendChild(i);
846 }
847 i = document.getElementById("reload");
848 if (i) i.addEventListener("click", ajaxPost, false);
849 }
850 for (i of document.querySelectorAll('input[type="file"]')) {
851 i.addEventListener('change', (e) => {
852 warnFileSize(document.forms[0]);
853 }, false)
854 }
855 if (i=document.getElementById("quizwarn")) {
856 i.addEventListener('click', toggleAuthorVisibility, false);
857 }
858 // Hack article_m links
859 registPjaxViewers(document.querySelectorAll("a[href]"));
860 atMarkView(document);
861 }
862 function initGrpAction() {
863 var rev = document.getElementById("reverse");
864 if (!rev) return; // Is not grpAction page
865 if (rev.tagName.match(/span/i)) {
866 rev.textContent = " 反転 ";
867 rev.addEventListener("click", reverseChecks, null);
868 }
869 var emailbtn = document.getElementById("email");
870 emailbtn.addEventListener("click", function(ev){
871 // Enlarge box and Select user's checkbox
872 if (!ev.target.checked) return;
873 var x = collectElementsByAttr("div", "class", "foldtabs");
874 if (x && x[0] && x[0].style) {
875 x[0].style.height = "10em";
876 }
877 let myuid = document.getElementById("myuid");
878 if (myuid) {
879 let usel = collectElementsByAttr("input", "name", "usel");
880 if (usel) {
881 for (u of usel) {
882 if (u.value == myuid.value)
883 u.checked = true;
884 }
885 }
886 }
887 }, null);
888 var teamsel = document.getElementById("selteam");
889 if (teamsel) {
890 var usel, p, team;
891 // Select all members of the team
892 teamsel.addEventListener("change", function(ev) {
893 var teamname = teamsel.value,
894 selected = new RegExp('(^| )'+teamname+"($|,)");
895 usel = collectElementsByAttr("input", "name", "usel");
896 if (!usel) return;
897 for (u of usel) {
898 p = u.parentNode; // should be label
899 if (!p) continue;
900 if (teamname == "TEAM") { // Reset all checks
901 u.checked = false; // when "TEAM" is selected
902 } else {
903 p = p.parentNode.parentNode;// should be tr
904 team = nthChildOf(p, 4, "td")
905 if (team && team.textContent
906 && team.textContent.match(selected)) {
907 u.checked = true;
908 }
909 }
910 }
911 }, null);
912 }
913 }
914 function dispInfoMomentary(msg, elem) {
915 // Momentarily display MSG in tooltip-baloon relative to ELEM element.
916 let help = document.createElement("p");
917 elem.style.position = 'relative';
918 elem.style.overflow = 'visible';
919 help.setAttribute("class", "info-tooltip");
920 help.innerHTML = msg;
921 elem.appendChild(help);
922 setTimeout(() => {
923 help.classList.add("dissolving");
924 setTimeout(() => help.remove(), 3000);
925 }, 1000);
926 }
927 function initGrphome() {
928 console.log("initGrphome");
929 // (1)Setup Frozen State Changing Button
930 var ja = navigator.language.match(/ja/i);
932 function toggleFrozen(e, rowid) {
933 let tgt = mypath+"?blog_setfrozen+"+rowid;
934 let td = e.target.parentNode;
935 let tr = td.parentNode;
936 fetch(tgt, {
937 method: "POST",
938 headers: {'Content-Type': 'text/html; charset=utf-8'},
939 credentials: "include"
940 }).then(function(resp) {
941 return resp.text();
942 }).then(function(tbody) {
943 try {
944 var json = JSON.parse(tbody);
945 } catch (e) {
946 return;
947 }
948 let state = json.state, newstate, info;
949 if (json.alert) {
950 alert(json.alert)
951 }
952 if (state.match(/frozen/i)) {
953 newstate = "凍結";
954 info = ja ? newstate+"に設定しました" : 'Set Frozen';
955 } else {
956 newstate = null;
957 info = ja ? '稼動に設定しました' : 'Set Running';
958 }
959 tr.setAttribute("class", newstate);
960 dispInfoMomentary(info, td);
961 });
962 }
963 let btn = document.querySelectorAll("button.toggle-frozen");
964 for (let b of btn) {
965 let rowid = null;
966 let td=b.parentNode, tr = td.parentNode, fr, ru;
967 ru = ja ? "動" : "Running";
968 fr = ja ? "凍" : "Frozen";
969 b.setAttribute('frozen-marker', fr);
970 b.setAttribute('running-marker', ru);
971 for (let a of tr.querySelectorAll("a[href]")) {
972 if (a.getAttribute("href").match(/\?replyblog\+([0-9]+)/)) {
973 rowid = parseInt(RegExp.$1);
974 break;
975 }
976 }
977 if (rowid && rowid>0) {
978 b.addEventListener("click", function(e) {
979 if (!btn) return;
980 toggleFrozen(e, rowid);
981 }, false);
982 b.setAttribute("title", "稼動/凍結をその場で切り替えます\n\
983 Toggle Running/Frozen ("+rowid+")");
984 }
985 }
986 // (2)Setup Column Collapse Button
987 // INCOMPLETE: Cannot restore original state, but it's enough...
988 function toggleColmnWidth(th) {
989 let tbl = document.querySelector("table.dumpblogs");
990 let colname = th.textContent, newwidth;
991 if (th.style.width) {
992 newwidth = null
993 // https://developer.mozilla.org/ja/docs/Web/CSS/table-layout
994 tbl.style.tableLayout = 'auto';
995 tbl.style.width = null;
996 } else {
997 newwidth = "2em";
998 tbl.style.tableLayout = 'fixed';
999 tbl.style.width = '100%';
1000 }
1001 th.style.width = newwidth;
1002 th.style.overflow = "hidden";
1003 for (let td of document.querySelectorAll("td."+colname)) {
1004 console.log(td.tagName);
1005 td.style.width = newwidth;
1006 console.log(td.style.width);
1007 }
1008 }
1009 let row1 = document.querySelector("table.dumpblogs tr:first-child");
1010 if (row1) {
1011 let heads = row1.querySelectorAll("th");
1012 for (let h of heads) {
1013 h.addEventListener("click", function(e) {
1014 toggleColmnWidth(h);
1015 }, false);
1016 h.setAttribute("title", "Click to shrink these columns");
1017 }
1018 }
1019 }
1020 function initMath() {
1021 mathjax = window.MathJax||document.getElementById("mathjax");
1022 if (!mathjax) return;
1023 let ta = document.querySelector("textarea");
1024 if (!ta) return;
1025 let btn = document.createElement("button");
1026 btn.setAttribute("title", "\\( と \\) で数式利用\n"+
1027 "\\[ と \\] で段組み数式モード\n"+
1028 "便利なマクロ:\n"+
1029 " \\boxed{aaa}, \\fcolorbox{framecolor}{bgcolor}{text}\n"+
1030 " \\underline{aaa}, \\fcolorbox{framecolor}{bgcolor}{text}\n"+
1031 "独自定義マクロ:\n"+
1032 " \\warn{xxx} 注意喚起用色付き枠\n"+
1033 " \\Warn{xxx} 大きな文字で注意喚起")
1034 btn.innerHTML = "MathJax<br>Preview";
1035 btn.addEventListener('click', (e) => {
1036 e.preventDefault();
1037 ta.focus();
1038 helpMarkdownPreview(ta);
1039 });
1040 ta.parentNode.appendChild(btn);
1041 }
1042 function rewriteReplyHover(unit) {
1043 function getTextById(id) {
1044 let repltd = document.getElementById(id);
1045 if (repltd) {
1046 let txt = repltd.innerText,
1047 authtd = repltd.parentNode.getElementsByTagName("td")[0],
1048 author = authtd.querySelector("a.author").innerText,
1049 digest = txt.split("\n").splice(0, hoverTextLines).join("\n");
1050 return escapeChars("[[ "+author+" ]]\n"+digest);
1051 } else
1052 return "";
1053 }
1054 unit = unit||document;
1055 for (let td of unit.querySelectorAll("td.repl")) {
1056 let text = td.innerHTML;
1057 if (text.startsWith("\>#")) {
1058 let newline = text.indexOf("\n");
1059 let first, rest;
1060 if (newline > 0) {
1061 first = text.substring(0, newline);
1062 rest = text.substring(newline);
1063 } else {
1064 first = text;
1065 rest = "";
1066 }
1067 td.innerHTML = first.replace(
1068 /#([0-9]+)/g,
1069 (match, start, whole) => {
1070 let id = RegExp.$1
1071 return '<a title="' + getTextById(id)
1072 + '" href="' + match
1073 + '">' + match + '</a>';
1074 }
1075 ) + rest;
1076 }
1077 }
1078 }
1079 function initReplyHover(unit) {
1080 // https://stackoverflow.com/questions/60154233/event-when-typesetting-is-done-mathjax-3
1081 if (mathjax && MathJax.startup)
1082 MathJax.startup.promise.then(()=>rewriteReplyHover());
1083 else
1084 rewriteReplyHover();
1085 }
1086 function init() {
1087 isOlderJS = !("insertAdjacentElement" in document.body);
1088 initGrpAction();
1089 initBlogs();
1090 initFileInput();
1091 initTextarea();
1092 initGrphome();
1093 initMath();
1094 initReplyHover();
1095 }
1096 document.addEventListener('DOMContentLoaded', init, null);
1097 })();