s4
view s4-main.js @ 978:71528696780b
Syntax error fixed.
| author | HIROSE Yuuji <yuuji@gentei.org> |
|---|---|
| date | Sun, 29 May 2022 12:07:59 +0900 |
| parents | eb0ffd3b37c0 |
| children | 084326d5ba19 |
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.$2;
14 mypath = mypath.substring(0, mypath.lastIndexOf("?"));
15 //alert("mypath="+mypath);
16 }
17 function collectElementsByAttr(elm, attr, val) {
18 var e = document.getElementsByTagName(elm);
19 if (!e) return null;
20 var list = [];
21 for (var i of e) {
22 if (i.getAttribute(attr) == val)
23 list.push(i)
24 }
25 return list;
26 }
27 function nthChildOf(parent, n, elem) { // Return Nth child of type ELEM
28 // N begins with 1
29 var i=0;
30 var le = elem.toLowerCase();
31 for (var c of parent.childNodes) {
32 if (!c.tagName) continue;
33 if (c.tagName.toLowerCase() == le) {
34 if (++i >= n) return c;
35 }
36 }
37 return null;
38 }
39 function insertRedirect(e) {
40 var articleId, textarea = document.getElementById("text");
41 var p = e.target, checked = p.checked;
42 while (p = p.parentNode)
43 if (p.nodeName.match(/^td$/i)) break;
44 if (!p) return;
45 while (p = p.nextSibling)
46 if (p.nodeName.match(/^td$/i)) break;
47 if (!p) return;
48 articleId = p.getAttribute("id");
49 if (textarea && articleId) {
50 var tv = textarea.value, lines;
51 if (tv)
52 lines = tv.split("\n");
53 else
54 lines = [""];
55 var re = new RegExp("[, ]*#"+articleId+"(?![0-9])");
56 checked = (p.nodeName.match(/^input$/)
57 ? p.checked // checkbox obeys its status
58 : !lines[0].match(re)) // a-elment toggles redirection
59 if (checked) {
60 if (!lines[0].match(re)) {
61 var re2 = new RegExp(/>#[#0-9, ]+[0-9]/);
62 if (lines[0].match(re2))
63 lines[0] = lines[0].replace(
64 re2, '$&, '+'#'+articleId);
65 else {
66 if (lines[0] > "") lines[0] = " "+lines[0];
67 lines[0] = ">#"+articleId+lines[0];
68 }
69 }
70 } else { // Remove #xxxxx
71 if (lines[0].match(/^>#[0-9 ,]+#/)) // 2 or more #id's
72 lines[0] = lines[0].replace(
73 new RegExp("^>#"+articleId+"[ ,]*"), ">").replace(
74 new RegExp("[ ,]*#"+articleId), "");
75 else {
76 lines[0] = lines[0].replace(
77 new RegExp(">#"+articleId+"[ ,]*"), "");
78 }
79 }
80 lines[0] = lines[0].replace(/^> *$/, '');
81 textarea.value = lines.join("\n");
82 }
83 }
84 function registPjaxViewers(aHrefList) {
85 let apos=art_m_list.length;
86 for (let a of aHrefList) {
87 let href = a.getAttribute("href");
88 let localvar = apos;
89 let td = a.parentNode,
90 tr = td.parentNode,
91 id = td.id,
92 text = td.textContent,
93 author = tr.getElementsByTagName("a");
94 if (author) author = author[0].getAttribute("title");
95 if (href.match(/\?showattc\+article_m\+([0-9]+)$/)) {
96 if (td.innerHTML.match(/読み取り不可/)) {
97 a.removeAttribute("href");
98 continue;
99 }
100 let url = RegExp.lastMatch;
101 // console.log("pjaxView(e, "+href+", "+apos+")");
102 a.addEventListener("click", function(e) {
103 // Shoud use closure local variable: localvar
104 pjaxView(e, href, localvar);
105 }, false);
106 apos++;
107 art_m_list.push({
108 url: href, id: id, author: author, text: text
109 });
110 }
111 }
112 }
113 function registInsertDirect(aHrefList) {
114 for (i of aHrefList)
115 if (i.getAttribute("href").match(/^#[0-9]+$/))
116 if (RegExp.lastMatch == i.innerHTML)
117 i.addEventListener("click", insertRedirect, false)
118 }
119 function mathjaxUpdate(arg) {
120 try {
121 if (MathJax && MathJax.typesetPromise) {
122 MathJax.texReset(); // Reset Math counters
123 MathJax.typesetPromise(arg); // MathJax v3
124 }
125 } catch (err) {console.log(err);}
126 }
127 var ajaxSubmit;
128 function replAddNews(newtable) {
129 let newids = [], idlist=[];
130 let getArticleID = function (td) {
131 return parseInt(td.parentNode.getElementsByTagName("td")[1].id);
132 }
133 for (let i of newtable.querySelectorAll("td.repl"))
134 newids.push(i);
135 newids = newids.sort((a,b)=> {
136 return (getArticleID(a) - getArticleID(b));
137 });
138 for (i of newids)
139 idlist.push(getArticleID(i));
140 console.log("IDList="+idlist.join());
141 let cnt=0, ntr;
142 let current = collectElementsByAttr("td", "class", "repl"),
143 ncur=0, n, icur=0, o, oid, nid, otr;
144 current = document.querySelectorAll('td[class="repl"]');
145 let last=current[current.length-1],
146 tbody = last.parentNode.parentNode;
147 let addEventsToNewTr = function(tr) {
148 let td = tr.getElementsByTagName("td"),
149 td0 = td[0], td1 = td[1];
150 td0.classList.add("new");
151 registInsertDirect(td0.querySelectorAll("a[href]"));
152 registPjaxViewers(td1.querySelectorAll("a[href]"));
153 }
154 // Erase all "new article" flags before merging
155 for (let i of document.querySelectorAll("td.new"))
156 i.classList.remove("new");
157 // Now reconstruct articles with merge-sort like method
158 outer: for (; ncur<newids.length; ncur++) {
159 n = newids[ncur];
160 if (!n.id) continue;
161 nid = parseInt(n.id);
162 if (nid<=0) continue;
163 ntr = n.parentNode;
164 for (; icur<current.length; icur++) {
165 o = current[icur];
166 otr = o.parentNode;
167 oid = getArticleID(o);
168 if (!oid || oid=="") continue;
169 if (oid >= nid) {
170 addEventsToNewTr(ntr);
171 tbody.insertBefore(ntr, otr);
172 if (oid==nid) otr.remove();
173 cnt++;
174 continue outer;
175 }
176 }
177 // Append absolutely new articles.
178 ntr = n.parentNode;
179 addEventsToNewTr(ntr)
180 tbody.appendChild(atMarkView(ntr));
181 ntr.classList.add("dissolving");
182 let localntr = ntr;
183 setTimeout(() => {
184 localntr.classList.remove("dissolving");
185 localntr.classList.add("emerging");
186 }, 100);
187 initReplyHover(ntr);
188 cnt++;
189 }
190 mathjaxUpdate(newids);
191 console.log("Update "+cnt+"rows");
192 if (cnt>0 && ntr.scrollIntoView) {
193 let option = {behavior: "smooth"};
194 if (!isOlderJS) option.block = "center";
195 try { // Scroll to last updated row
196 ntr.scrollIntoView(option);
197 } catch (e1) {}
198 }
199 return cnt;
200 }
202 function warnFileSize(form) {
203 let szmax = form.querySelector('input[name="filesize_max"]').value;
204 if (!szmax || szmax=="") return;
205 szmax = parseInt(szmax);
206 if (szmax <= 0) return;
207 // szmax = 10000
208 let ng = "", rcval=false, fileexists=false,
209 pdfsw = form.querySelector(input_pdfsw),
210 pdfmsg = "Try compressing PDF?\nPDFを圧縮してみますか?\n" +
211 "(それでも収まらない場合もあります)";
212 for (let f of form.querySelectorAll('input[type="file"]')) {
213 let thiserr = false;
214 for (let i of f.files) {
215 fileexists = true;
216 let fn = i.name, sz = i.size;
217 console.log("max="+szmax+", fn="+fn+", sz="+sz);
218 if (sz > szmax) {
219 if (fn.match(/\.pdf/i)
220 && sz < szmax*3 // XXX : x3 reasonable?
221 && (pdfsw || confirm(pdfmsg))) {
222 if (!pdfsw) {
223 pdfsw = document.createElement("input");
224 pdfsw.name = "comppdf";
225 pdfsw.type = "hidden";
226 f.parentNode.insertBefore(pdfsw, f);
227 pdfsw.value = "yes";
228 }
229 } else {
230 thiserr = true;
231 ng += ((ng>"" ? ", " : "")+fn)
232 }
233 }
234 }
235 thiserr ? f.classList.add("warnbg") : f.classList.remove("warnbg");
236 }
237 if (ng>"") {
238 rcval = "File-size Limit Error: "+ng+"\n"+
239 "Should be less than "+szmax+"bytes.\n"+
240 szmax+"バイト未満にしてください"
241 alert(rcval);
242 }
243 if (form.text.value == "") {
244 let w;
245 if (fileexists)
246 w = "Fill the text area\n" +
247 "添付したファイルに関する説明を入れてください。";
248 else
249 w = "Enter your comment!\n何か書き込んでね!";
250 alert(w);
251 rcval = (rcval || w);
252 form.text.classList.add("warnbg");
253 setTimeout(() => {form.text.classList.remove("warnbg");}, 2000)
254 }
255 return rcval;
256 }
257 function ajaxPost(e) {
258 e.preventDefault();
259 let rowid;
260 if (!myurl.match(/replyblog\+([0-9]+)/)) return;
261 rowid = RegExp.$1
262 let myform = document.querySelector("form.replyblog");
263 let data = new FormData(myform),
264 fetchtime = data.get("fetchtime");
265 if (!fetchtime || fetchtime=="") return;
266 ///*XX*/fetchtime = "2020-06-14T00:00:00";data.set("fetchtime", fetchtime)
268 ajaxSubmit = e.target;
269 ajaxSubmit.back = ajaxSubmit.textContent;
270 if (ajaxSubmit.id == "reload") {
271 ajaxSubmit.textContent = "更新中"
272 data.set("text", "")
273 } else {
274 if (warnFileSize(myform)) return;
275 ajaxSubmit.textContent = "送信中";
276 }
277 ajaxSubmit.blur();
278 ajaxSubmit.disabled = true;
279 let act = mypath+"?blog_fetch+"+rowid+"+f:"+fetchtime;
281 function respUpdate(tbody) {
282 ajaxSubmit.textContent = ajaxSubmit.back;
283 ajaxSubmit.disabled = false;
284 let div = document.createElement("div"), form, newform;
285 try {
286 div.innerHTML = tbody;
287 form = div.querySelector("form");
288 } catch (er) {
289 alert("Cannot parse fetch data");
290 return;
291 }
292 let update = replAddNews(form);
293 let dispelem = myform.querySelector("textarea").parentNode;
294 if (div.querySelector('input[name="user"]')) { // is login form
295 dispInfoMomentary("Login Again Please", dispelem)
296 return;
297 }
298 newform = new FormData(form);
299 if (data.get("text") > "") { // Called by submit button
300 myform.reset();
301 let pdfsw = myform.querySelector(input_pdfsw);
302 if (pdfsw) pdfsw.remove();
303 // myform.text.value = '';
304 }
305 myform.fetchtime.value = newform.get("fetchtime");
306 myform.id.value = newform.get("id");
307 if (update && update > 0) {
308 let s = update + " new article" +
309 (update>1 ? "s" : "") + " posted";
310 dispInfoMomentary(s, dispelem);
311 }
312 }
313 fetch(act, {
314 method: "POST", body: data,
315 credentials: "include" // For older firefox
316 }).then((resp) => {
317 return resp.text();
318 }).then((tbody) => {
319 respUpdate(tbody);
320 })
321 }
322 function pjaxView(ev, url, mynum) {
323 if (ev.ctrlKey||ev.shiftKey) return;
324 ev.preventDefault();
325 let box = document.createElement("div")
326 box.setAttribute("class", "pjaxview");
327 let p1 = document.createElement("p"),
328 bt = document.createElement("button"),
329 sl = document.createElement("button"),
330 sr = document.createElement("button"),
331 loading = document.createElement("span"),
332 info = document.createElement("p");
333 info1 = document.createElement("span");
334 info2 = document.createElement("span");
335 iframe = document.createElement("iframe");
336 var curpos = mynum;
337 var historyBase = history.length;
339 function _setPjaxCurposInfo() {
340 let len = art_m_list.length;
341 let cur = art_m_list[curpos]
342 info1.textContent = (1+curpos)+" of "+len+" article #"+cur.id+
343 (cur.author ? " by "+cur.author : "") + ":";
344 info2.textContent = cur.text.trim();
345 info2.setAttribute("class", "border textdigest");
346 }
347 function _resetPjax() {
348 // All we can do surely is to back 1 page,
349 // because we cannot move to desirable entry of history list.
350 history.back();
351 }
352 function setSwipeAct(iframe) {
353 // We cannot use DOMContentLoaded nor iframe.contentWindow here.
354 // PDF.js does not construct contentWindow...?
355 iframe.addEventListener("load", () => {
356 loading.classList.remove("loading");
357 if (!hasTouchPad) return;
358 let ifm = iframe.contentDocument;
359 let startX, moveX, thresh = 100;
360 ifm.addEventListener("touchstart", (e) => {
361 e.preventDefault();
362 startX = e.touches[0].pageX;
363 }, false);
364 ifm.addEventListener("touchmove", (e) => {
365 e.preventDefault();
366 moveX = e.touches[0].pageX;
367 }, false);
368 ifm.addEventListener("touchend", (e) => {
369 if (startX < moveX && startX + thresh < moveX) {
370 switchTo(e, -1);
371 } else if (startX > moveX && startX - thresh > moveX) {
372 switchTo(e, +1);
373 }
374 }, false);
375 }, false);
377 }
378 function switchTo(e, direction) {
379 e.preventDefault();
380 let len = art_m_list.length, cur, newpos, url;
381 newpos = (curpos+len+direction)%len;
382 if (curpos == newpos) return; // No need to switch to same one
383 curpos = newpos;
384 cur = art_m_list[curpos];
385 url = cur.url;
386 // We should remove iframe once to preserve history Object
387 // https://inthetechpit.com/2019/04/20/update-iframe-without-affecting-browser-history/
388 let parent = iframe.parentNode;
389 // alert("D = "+direction);
390 iframe.remove();
391 parent.appendChild(iframe);
392 try {
393 loading.classList.add("loading");
394 iframe.src = url;
395 // iframe.contentDocument.location.replace(url);
396 // location.replace cannot be used because PDF viewer.js
397 // does not have iframe.contentDocument
398 } catch (err) {
399 alert("Cannot load "+src+" : "+err.name);
400 }
401 _setPjaxCurposInfo();
402 setSwipeAct(iframe);
403 }
404 function switchToByKey(e) {
405 // alert("KEY="+e.key);
406 switch (e.key) {
407 case "ArrowLeft":
408 switchTo(e, -1); break;
409 case "ArrowRight":
410 switchTo(e, +1); break;
411 case "Escape":
412 history.back();
413 }
414 }
415 // <div><p>
416 // <button> << </button><button>Dismiss</button><button> >> </button>
417 // </p><p><span> info1 </span> <span> info2 </span></p>
418 // <iframe src="..."></iframe>
419 // </div>
420 // ==> [ << ][Dissmiss][ >> ]
421 // ==> ## of ## article #xxx by AUTHOR
422 sl.textContent = " << ";
423 sr.textContent = " >> ";
424 sl.addEventListener("click", (e) => {switchTo(e, -1);});
425 sr.addEventListener("click", (e) => {switchTo(e, +1);});
426 sl.setAttribute("title", "to="+(mynum-1));
427 sr.setAttribute("title", "to="+(mynum+1));
428 document.body.appendChild(box);
429 bt.textContent = "Click to dismiss / もどる"+mynum;
431 box.appendChild(p1);
432 p1.appendChild(sl); p1.appendChild(bt); p1.appendChild(sr);
433 { // TEST: Normal mode
434 let only = document.createElement("button"),
435 h = location.href;
436 only.textContent = ".oO□";
437 only.setAttribute("title", "Open in Normal Window");
438 only.addEventListener("click", function() {
439 location.replace(iframe.src);
440 });
441 p1.appendChild(only);
442 }
443 p1.appendChild(loading);
444 info.appendChild(info1); info.appendChild(info2);
445 loading.textContent=" Loading...";
446 loading.classList.add("hidden");
447 loading.classList.add("loading");
448 box.appendChild(info);
449 iframe.src = url;
451 box.addEventListener("keydown", switchToByKey);
452 //box.addEventListener("click", (e) => {_resetPjax();});
453 bt.addEventListener("click", (e) => {_resetPjax();});
454 // dp.addEventListener("click", (e) => {_resetPjax();});
455 info.addEventListener("click", (e) => {_resetPjax();});
456 box.appendChild(iframe);
458 setSwipeAct(iframe);
460 _setPjaxCurposInfo();
461 bt.focus();
462 setTimeout(() => {box.classList.add("pjaxview2");}, 10);
463 // Finally update history stack
464 pjaxHistoryPush(box);
465 }
466 function pjaxHistoryPush(box) {
467 if (history.pushState) {
468 let h = location.href.replace(/#.*/, '')+"#pjaxview";
469 history.pushState({url: h}, null, h);
470 window.addEventListener("popstate", (e) => {
471 if (box) {
472 box.remove(); box = null;
473 }
474 }, false);
475 }
476 }
477 function reverseChecks() {
478 var names = collectElementsByAttr("input", "name", "usel");
479 for (let u of names) {
480 u.checked = !u.checked;
481 }
482 }
483 function renumberOL(str, start) {
484 var stra = str.split("\n");
485 for (var i=1; i<stra.length; i++) {
486 if (stra[i].match(/^[1-9][0-9]*\. /)) {
487 let orig=stra[i];
488 stra[i] = (++start)+". "+RegExp.rightContext;
489 } else if (stra[i].match(/^ /)) {
490 continue;
491 } else
492 break;
493 }
494 return stra.join("\n");
495 }
496 function submitThisForm(e) {
497 var input = e.target, ajaxpost = document.getElementById("c");
498 for (var elm=input.parentNode; elm; elm = elm.parentNode) {
499 if (ajaxpost) {
500 ajaxpost.click();
501 return true;
502 } else if (elm.nodeName.match(/form/i)) {
503 elm.submit();
504 return true;
505 }
506 }
507 return false;
508 }
509 function helpMarkdownBS(e) {
510 var area = e.target, pos = area.selectionStart, text = area.value;
511 if (area.selectionStart != area.selectionEnd) return;
512 if (pos<2) return;
513 if (text.substr(pos-1, 2)=="\n\n") return;
514 var bol = text.lastIndexOf("\n", pos-1),
515 eol = text.indexOf("\n", pos);
516 if (bol<=0 || bol==eol) return;
517 var thisline = text.substring(bol+1, eol==-1 ? text.length : eol);
518 thisline = text.substring(bol+1, pos);
519 if (thisline == "* ") {
520 area.setSelectionRange(pos-2, pos);
521 } else if (thisline.match(/^[1-9][0-9]*\. $/)) {
522 area.setSelectionRange(pos-RegExp.lastMatch.length, pos);
523 }
524 }
525 function helpMarkdownEnter(e) {
526 if (e.keyCode == 13 && !e.shiftKey) {
527 if (e.ctrlKey && submitThisForm(e)) {
528 e.preventDefault();
529 return;
530 }
531 var area = e.target;
532 var pos = area.selectionStart, text = area.value;
533 if (pos==0) return;
534 var last = text.lastIndexOf("\n", pos-1);
535 var rest = text.substring(pos), rest0=rest;
536 var line = last ? text.substring(last+1, pos) : text;
537 var next = rest.substring(rest.indexOf("\n"))||rest;
538 next=next.substring(1);
539 var tail = text.substring(pos-2, pos), br = (tail==" ");
540 var add = "", offset = 1;
541 if (line.startsWith("* ")) {
542 add = "* ";
543 offset += add.length;
544 if (br) {
545 add = " " + "\n" + add;
546 }
547 } else if (line.match(/^([1-9][0-9]*)\. /)) {
548 var ln = parseInt(RegExp.$1), nn=ln+1,
549 len = RegExp.lastMatch.length;
550 add = nn+". ";
551 let toeol = text.substr(pos, text.indexOf("\n"));
552 if (br) {
553 if (next.startsWith(add)) {
554 add=" ".repeat(len);
555 nn = ln;
556 } else {
557 add = " ".repeat(len)+ "\n" + add;
558 offset -= len+1;
559 }
560 }
561 if (next.match(/^[1-9][0-9]*\. /))
562 rest = renumberOL(rest, nn);
563 offset += add.length;
564 } else if (line.match(/^\|( *).+\|/)) {
565 add = "|" + RegExp.$1 + " |";
566 offset += add.length-2;
567 } else {
568 return;
569 }
570 e.preventDefault();
571 if (!document.execCommand("insertText", false, "\n"+add)) {
572 //Firefox
573 area.selectionEnd = area.value.length;
574 area.setRangeText("\n"+add+rest);
575 area.selectionEnd = null;
576 } else {
577 area.selectionEnd = area.value.length;
578 area.setSelectionRange(area.selectionStart, area.value.length);
579 document.execCommand("insertText", false, rest);
580 area.selectionEnd = null;
581 area.focus();
582 }
583 area.selectionStart = pos+offset;
584 return;
585 if (document.execCommand("insertText", false, "\n"+add)) {
586 //area.setSelectionRange(area.selectionStart, text.length);
587 // alert("rest=["+rest+"], add=["+add+"]");
588 alert(text.substring(pos, area.value.length));
589 if (rest != rest0) {
590 area.setSelectionRange(pos, area.value.length);
591 return;
592 document.execCommand("delete");
593 }
594 document.execCommand("insertText", false, rest);
595 } else {
596 // Firefox cannot use insertText in textarea...
597 area.value = text.substring(0, pos) + "\n" + add + rest;
598 }
599 //area.setSelectionRange(pos+length(add));
600 area.selectionStart=area.selectionEnd = (pos + offset);
602 }
603 }
604 var helpParenPreview = 0;
605 function helpMarkdownParen(e) {
606 if (!mathjax) return;
607 var area = e.target, pos = area.selectionStart, text = area.value;
608 if (pos<2) return;
609 if (text[pos-1] == "\\") {
610 let ins="( \\)";
611 if (text[pos-2] == "\\") ins="( \\\\)";
612 area.setRangeText(ins, pos, pos);
613 area.selectionStart = pos+2;
614 if (helpParenPreview++ < 1) {
615 dispInfoMomentary("Preview formula by Meta-p\n"+
616 "Meta-p で数式プレビュー", e.target.parentNode);
617 }
618 e.preventDefault();
619 }
620 }
621 function textInsert(area, string, pos1, pos2) {
622 console.log("str="+string);
623 area.setRangeText(string, pos1||area.selectionStart,
624 pos2||pos1||area.selectionStart);
625 area.selectionStart += string.length;
626 }
627 function beginningOfLine(area, pos) {
628 pos = pos||area.selectionStart;
629 let b = area.value.lastIndexOf("\n", pos);
630 if (pos>1 && area.value.charCodeAt(pos)==10)
631 b = area.value.lastIndexOf("\n", pos-1);;
632 return b>=0 ? b : 0;
633 }
634 function isInBeginEnd(area, pos){
635 pos = pos||area.selectionStart;
636 let bol = beginningOfLine(area, pos);
637 let thisline = area.value.substr(bol);
638 console.log("curchar="+area.value.charCodeAt(pos));
639 console.log("prechar="+area.value.charCodeAt(pos-1));
640 console.log("bol="+bol+", thisline="+thisline);
641 let match = thisline.search(/\\(begin|end){([A-Za-z]*)/), lm, be;
642 if (match >= 0) {
643 lm = RegExp.lastMatch;
644 be = RegExp.$1;
645 return RegExp.$2
646 }
647 return null;
648 }
649 function helpMarkdownBrace(e) {
650 if (!mathjax) return;
651 var area = e.target, pos = area.selectionStart, text = area.value,
652 begin = "\\begin", end = "\\end";
653 if (pos < end.length) return;
654 if (text.substr(pos-end.length).startsWith(end)) {
655 let beg = text.lastIndexOf(begin, pos);
656 if (beg >= 0) {
657 let env = text.substr(beg).search(/\\begin{(.*?)}/);
658 if (env >= 0) {
659 textInsert(area, "{"+RegExp.$1+"}", pos);
660 e.preventDefault();
661 }
662 }
663 }
664 }
665 function helpMarkdownBraceClose(e) {
666 if (!mathjax) return;
667 let area = e.target, pos = area.selectionStart, text = area.value,
668 begin = "\\begin", end = "\\end";
669 if (text.substr(pos).startsWith("}")) {
670 area.setRangeText("", pos, pos+1);
671 // e.preventDefault();
672 }
673 let inbegend = isInBeginEnd(area, pos);
674 if (!inbegend) return;
675 let nextendpos = text.substr(pos).indexOf("\\end{");
676 let nextcurend = text.substr(pos).indexOf("\\end{"+inbegend+"}");
677 if (nextcurend<0 || nextendpos!=nextcurend) {
678 area.setRangeText("}\n\n\\end{"+inbegend+"}", pos, pos);
679 area.selectionStart = pos+2;
680 e.preventDefault();
681 }
682 console.log(inbegend);
684 }
685 function helpMarkdownPreview(area) {
686 if (!mathjax) {
687 alert("no"+e.target)
688 dispInfoMomentary("This board has no MathJax mode.\n"+
689 "この掲示板は数式モードOFFです。",
690 e.target.parentNode);
691 return;
692 }
693 let text = area.value;
694 let preview = document.createElement("div");
695 let bp = document.createElement("p");
696 let btn = document.createElement("button");
697 btn.innerText = "Click or ESC to Dissmiss / クリックかESCで戻る";
698 bp.classList.add("c");
699 preview.classList.add("pjaxview");
700 preview.classList.add("pjaxview2");
701 let pre = document.createElement("p");
702 bp.appendChild(btn);
703 preview.appendChild(bp);
704 preview.appendChild(pre);
705 pre.innerText = text;
706 document.body.appendChild(preview);
707 function dismiss(t) {
708 history.back();
709 preview.remove();
710 area.focus();
711 }
712 preview.addEventListener("click", dismiss, false);
713 preview.addEventListener("keydown", dismiss, false);
714 MathJax.typesetPromise([pre]);
715 pjaxHistoryPush(preview);
716 btn.focus();
717 }
718 function helpMarkdownAt(e) {
719 var area = e.target, pos = area.selectionStart;
720 if (pos == 0) {
721 area.value = "@all" + area.value;
722 area.selectionStart = area.selectionEnd = 4;
723 dispInfoMomentary("@all で全員に通知します", area.parentNode);
724 e.preventDefault();
725 }
726 }
727 function helpMarkdown(e) {
728 switch (e.key) {
729 case "Backspace": helpMarkdownBS(e); break;
730 case "Enter": helpMarkdownEnter(e); break;
731 case "(": helpMarkdownParen(e); break;
732 case "p": if (e.metaKey) helpMarkdownPreview(e.target); break;
733 case "{": helpMarkdownBrace(e); break;
734 case "}": helpMarkdownBraceClose(e); break;
735 case "@": helpMarkdownAt(e); break;
736 }
737 }
738 /* Init event listeners */
739 function addFileInput() {
740 var inpfile = collectElementsByAttr("input", "name", "image");
741 if (!inpfile) return;
742 var filled = true;
743 var i, ih;
744 for (i of inpfile) {
745 if (! i.value) filled=false;
746 }
747 if (filled) {
748 ih = i.parentNode.innerHTML;
749 if (ih) {
750 var inpf = ih.substring(ih.indexOf("<input")),
751 newi = "<br>"+inpf.substring(0, inpf.indexOf(">")+1);
752 i.insertAdjacentHTML("afterend", newi)
753 i.nextSibling.nextSibling.addEventListener('change', () => {
754 // next==br next.next==input[type=file]
755 warnFileSize(document.forms[0]);
756 });
757 }
758 }
759 }
760 function initFileInput() { // Multiplies "input type=file"
761 var el, morefile = document.getElementById("morefile");
762 if (morefile) {
763 for (el of collectElementsByAttr("input", "name", "image")) {
764 el.addEventListener("change", function(ev) {
765 if (ev.target.value > "" && ev.target.files.length == 1)
766 morefile.style.visibility = "visible";
767 // No need to hide again, sure?
768 });
769 }
770 morefile.addEventListener("click", addFileInput, null);
771 }
772 // When renaming, select basename part
773 for (el of collectElementsByAttr("input", "class", "mv")) {
774 el.addEventListener("focus", function(ev) {
775 var i = ev.target;
776 if (i) {
777 i.setSelectionRange(0, i.value.lastIndexOf("."));
778 }
779 });
780 }
781 }
782 function initTextarea() {
783 var te = collectElementsByAttr("textarea", "name", "text");
784 if (!te || !te[0]) return;
785 te[0].addEventListener("keydown", helpMarkdown, false);
786 }
787 function atMarkView(elem) {
788 // Enclose "@all" with span
789 for (i of elem.querySelectorAll("td.repl")) {
790 let ii = i.innerHTML;
791 if (ii.startsWith("@all")) {
792 ii = ii.replace(/^@all/,'<div class="atall">@all</div>');
793 i.innerHTML = ii;
794 }
795 }
796 return elem;
797 }
798 var quizwarnVisible = false;
799 function toggleAuthorVisibility(e) {
800 // In QUIZ mode, click to quizwarn line toggles visibility of author
801 e.stopPropagation();
802 if (quizwarnVisible) {
803 for (let i of document.querySelectorAll("td.repatt")) {
804 i.classList.remove("hideauthor");
805 }
806 quizwarnVisible = false;
807 } else {
808 for (let i of document.querySelectorAll("td.repatt")) {
809 i.classList.add("hideauthor");
810 }
811 quizwarnVisible = true;
812 }
813 }
814 function initBlogs() {
815 // Auto-complete #xxxx
816 let i, check = collectElementsByAttr("input", "name", "notifyto");
817 if (check)
818 for (i of check) {
819 i.addEventListener("click", insertRedirect, false);
820 }
821 registInsertDirect(document.querySelectorAll("a[href]"));
822 if (myurl.match(/replyblog\+[0-9]/)
823 && document.querySelector("td.repl")) {
824 // There's no need to provide ajax posting when
825 // no replies written to the blog. Therefore we
826 // assign ajax post when td.repl exists.
827 for (i of document.querySelectorAll('input#c[value="送信"]')) {
828 let b = document.createElement("button");
829 b.textContent = "送信!";
830 console.log("b="+b+", tc="+b.textContent);
831 b.addEventListener("click", ajaxPost, false);
832 // i.insertAdjacentElement('afterend', b);
833 b.setAttribute("class", i.getAttribute("class"))
834 b.setAttribute("title", i.getAttribute("title"))
835 i.parentNode.replaceChild(b, i);
836 b.id = i.id;
837 // i.remove();
838 i.classList.add("aux");
839 i.value = "送信(予備)"
840 b.parentNode.appendChild(i);
841 }
842 i = document.getElementById("reload");
843 if (i) i.addEventListener("click", ajaxPost, false);
844 }
845 for (i of document.querySelectorAll('input[type="file"]')) {
846 i.addEventListener('change', (e) => {
847 warnFileSize(document.forms[0]);
848 }, false)
849 }
850 if (i=document.getElementById("quizwarn")) {
851 i.addEventListener('click', toggleAuthorVisibility, false);
852 }
853 // Hack article_m links
854 registPjaxViewers(document.querySelectorAll("a[href]"));
855 atMarkView(document);
856 }
857 function initGrpAction() {
858 var rev = document.getElementById("reverse");
859 if (!rev) return; // Is not grpAction page
860 if (rev.tagName.match(/span/i)) {
861 rev.textContent = " 反転 ";
862 rev.addEventListener("click", reverseChecks, null);
863 }
864 var emailbtn = document.getElementById("email");
865 emailbtn.addEventListener("click", function(ev){
866 // Enlarge box and Select user's checkbox
867 if (!ev.target.checked) return;
868 var x = collectElementsByAttr("div", "class", "foldtabs");
869 if (x && x[0] && x[0].style) {
870 x[0].style.height = "10em";
871 }
872 let myuid = document.getElementById("myuid");
873 if (myuid) {
874 let usel = collectElementsByAttr("input", "name", "usel");
875 if (usel) {
876 for (u of usel) {
877 if (u.value == myuid.value)
878 u.checked = true;
879 }
880 }
881 }
882 }, null);
883 var teamsel = document.getElementById("selteam");
884 if (teamsel) {
885 var usel, p, team;
886 // Select all members of the team
887 teamsel.addEventListener("change", function(ev) {
888 var teamname = teamsel.value,
889 selected = new RegExp('(^| )'+teamname+"($|,)");
890 usel = collectElementsByAttr("input", "name", "usel");
891 if (!usel) return;
892 for (u of usel) {
893 p = u.parentNode; // should be label
894 if (!p) continue;
895 if (teamname == "TEAM") { // Reset all checks
896 u.checked = false; // when "TEAM" is selected
897 } else {
898 p = p.parentNode.parentNode;// should be tr
899 team = nthChildOf(p, 4, "td")
900 if (team && team.textContent
901 && team.textContent.match(selected)) {
902 u.checked = true;
903 }
904 }
905 }
906 }, null);
907 }
908 }
909 function dispInfoMomentary(msg, elem) {
910 // Momentarily display MSG in tooltip-baloon relative to ELEM element.
911 let help = document.createElement("p");
912 elem.style.position = 'relative';
913 elem.style.overflow = 'visible';
914 help.setAttribute("class", "info-tooltip");
915 help.innerHTML = msg;
916 elem.appendChild(help);
917 setTimeout(() => {
918 help.classList.add("dissolving");
919 setTimeout(() => help.remove(), 3000);
920 }, 1000);
921 }
922 function initGrphome() {
923 console.log("initGrphome");
924 // (1)Setup Frozen State Changing Button
925 var ja = navigator.language.match(/ja/i);
927 function toggleFrozen(e, rowid) {
928 let tgt = mypath+"?blog_setfrozen+"+rowid;
929 let td = e.target.parentNode;
930 let tr = td.parentNode;
931 fetch(tgt, {
932 method: "POST",
933 headers: {'Content-Type': 'text/html; charset=utf-8'},
934 credentials: "include"
935 }).then(function(resp) {
936 return resp.text();
937 }).then(function(tbody) {
938 try {
939 var json = JSON.parse(tbody);
940 } catch (e) {
941 return;
942 }
943 let state = json.state, newstate, info;
944 if (json.alert) {
945 alert(json.alert)
946 }
947 if (state.match(/frozen/i)) {
948 newstate = "凍結";
949 info = ja ? newstate+"に設定しました" : 'Set Frozen';
950 } else {
951 newstate = null;
952 info = ja ? '稼動に設定しました' : 'Set Running';
953 }
954 tr.setAttribute("class", newstate);
955 dispInfoMomentary(info, td);
956 });
957 }
958 let btn = document.querySelectorAll("button.toggle-frozen");
959 for (let b of btn) {
960 let rowid = null;
961 let td=b.parentNode, tr = td.parentNode, fr, ru;
962 ru = ja ? "動" : "Running";
963 fr = ja ? "凍" : "Frozen";
964 b.setAttribute('frozen-marker', fr);
965 b.setAttribute('running-marker', ru);
966 for (let a of tr.querySelectorAll("a[href]")) {
967 if (a.getAttribute("href").match(/\?replyblog\+([0-9]+)/)) {
968 rowid = parseInt(RegExp.$1);
969 break;
970 }
971 }
972 if (rowid && rowid>0) {
973 b.addEventListener("click", function(e) {
974 if (!btn) return;
975 toggleFrozen(e, rowid);
976 }, false);
977 b.setAttribute("title", "稼動/凍結をその場で切り替えます\n\
978 Toggle Running/Frozen ("+rowid+")");
979 }
980 }
981 // (2)Setup Column Collapse Button
982 // INCOMPLETE: Cannot restore original state, but it's enough...
983 function toggleColmnWidth(th) {
984 let tbl = document.querySelector("table.dumpblogs");
985 let colname = th.textContent, newwidth;
986 if (th.style.width) {
987 newwidth = null
988 // https://developer.mozilla.org/ja/docs/Web/CSS/table-layout
989 tbl.style.tableLayout = 'auto';
990 tbl.style.width = null;
991 } else {
992 newwidth = "2em";
993 tbl.style.tableLayout = 'fixed';
994 tbl.style.width = '100%';
995 }
996 th.style.width = newwidth;
997 th.style.overflow = "hidden";
998 for (let td of document.querySelectorAll("td."+colname)) {
999 console.log(td.tagName);
1000 td.style.width = newwidth;
1001 console.log(td.style.width);
1002 }
1003 }
1004 let row1 = document.querySelector("table.dumpblogs tr:first-child");
1005 if (row1) {
1006 let heads = row1.querySelectorAll("th");
1007 for (let h of heads) {
1008 h.addEventListener("click", function(e) {
1009 toggleColmnWidth(h);
1010 }, false);
1011 h.setAttribute("title", "Click to shrink these columns");
1012 }
1013 }
1014 }
1015 function initMath() {
1016 mathjax = window.MathJax||document.getElementById("mathjax");
1017 if (!mathjax) return;
1018 let ta = document.querySelector("textarea");
1019 if (!ta) return;
1020 let btn = document.createElement("button");
1021 btn.setAttribute("title", "\\( と \\) で数式利用\n"+
1022 "\\[ と \\] で段組み数式モード\n"+
1023 "便利なマクロ:\n"+
1024 " \\boxed{aaa}, \\fcolorbox{framecolor}{bgcolor}{text}\n"+
1025 " \\underline{aaa}, \\fcolorbox{framecolor}{bgcolor}{text}\n"+
1026 "独自定義マクロ:\n"+
1027 " \\warn{xxx} 注意喚起用色付き枠\n"+
1028 " \\Warn{xxx} 大きな文字で注意喚起")
1029 btn.innerHTML = "MathJax<br>Preview";
1030 btn.addEventListener('click', (e) => {
1031 e.preventDefault();
1032 ta.focus();
1033 helpMarkdownPreview(ta);
1034 });
1035 ta.parentNode.appendChild(btn);
1036 }
1037 function initReplyHover(unit) {
1038 function getTextById(id) {
1039 let repltd = document.getElementById(id);
1040 if (repltd) {
1041 let txt = repltd.innerText,
1042 authtd = repltd.parentNode.getElementsByTagName("td")[0],
1043 author = authtd.querySelector("a.author").innerText,
1044 digest = txt.split("\n").splice(0, hoverTextLines).join("\n");
1045 return "[[ "+author+" ]]\n"+digest;
1046 } else
1047 return "";
1048 }
1049 unit = unit||document;
1050 for (let td of unit.querySelectorAll("td.repl")) {
1051 let text = td.innerHTML;
1052 if (text.startsWith("\>#")) {
1053 let newline = text.indexOf("\n");
1054 let first, rest;
1055 if (newline) {
1056 first = text.substring(0, newline);
1057 rest = text.substring(newline);
1058 } else {
1059 first = text;
1060 rest = "";
1061 }
1062 td.innerHTML = first.replace(
1063 /#([0-9]+)/g,
1064 (match, start, whole) => {
1065 let id = RegExp.$1
1066 return '<a title="' + getTextById(id)
1067 + '" href="' + match
1068 + '">' + match + '</a>';
1069 }
1070 ) + rest;
1071 }
1072 }
1073 }
1074 function init() {
1075 isOlderJS = !("insertAdjacentElement" in document.body);
1076 initGrpAction();
1077 initBlogs();
1078 initFileInput();
1079 initTextarea();
1080 initGrphome();
1081 initMath();
1082 initReplyHover();
1083 }
1084 document.addEventListener('DOMContentLoaded', init, null);
1085 })();