18 var lockedbackup = "";
21 function text_of_html(h)
30 function unescape_html(s)
32 u = document.getElementById("unescape");
34 return text_of_html(u)
37 function filterByClass (elements,cname){
38 var itemsfound = new Array;
39 for(var i=0;i<elements.length;i++){
40 if(elements[i].className == cname){
41 itemsfound.push(elements[i]);
49 if (readCookie("session") == null) {
50 window.location = "/login.html"
53 titlebar = document.getElementById("titlebar");
54 matitaTitle = document.getElementById("matitaTitle");
55 apparea = document.getElementById("matitaapparea");
56 locked = document.getElementById("locked");
57 unlocked = document.getElementById("unlocked");
58 toparea = document.getElementById("toparea");
59 workarea = document.getElementById("workarea");
60 scriptcell = document.getElementById("scriptcell");
61 sidearea = document.getElementById("sidearea");
62 disambcell = document.getElementById("disambcell");
63 goalcell = document.getElementById("goalcell");
64 goals = document.getElementById("goals");
65 goalview = document.getElementById("goalview");
66 filename = document.getElementById("filename");
67 logarea = document.getElementById("logarea");
68 advanceButton = document.getElementById("advance");
69 retractButton = document.getElementById("retract");
70 cursorButton = document.getElementById("cursor");
71 bottomButton = document.getElementById("bottom");
72 dialogBox = document.getElementById("dialogBox");
73 uploadBox = document.getElementById("uploadBox");
74 dialogTitle = document.getElementById("dialogTitle");
75 dialogContent = document.getElementById("dialogContent");
77 matita = new Object();
78 matita.disambMode = matita.proofMode = false;
80 // hide sequent view at start
84 changeFile("test.ma");
86 // initialize keyboard events in the unlocked script
87 init_keyboard(unlocked);
94 function init_autotraces() {
95 $("#unlocked .autotactic").tooltip({
98 bodyHandler: function() {
99 return (trace_of($(this)[0]));
102 $("#locked .autotactic").tooltip({
105 bodyHandler: function() {
106 return (trace_of($(this)[0]));
111 function trace_of(node) {
112 return text_of_html(filterByClass(node.childNodes,"autotrace")[0]);
115 function changeFile(name) {
116 current_fname = name;
117 matitaTitle.innerHTML = "Matita - cic:/matita/" + name;
120 function init_keyboard(target)
122 if (target.addEventListener)
124 // target.addEventListener("keydown",keydown,false);
125 target.addEventListener("keypress",keypress,false);
126 // target.addEventListener("keyup",keyup,false);
127 // target.addEventListener("textInput",textinput,false);
129 else if (target.attachEvent)
131 // target.attachEvent("onkeydown", keydown);
132 target.attachEvent("onkeypress", keypress);
133 // target.attachEvent("onkeyup", keyup);
134 // target.attachEvent("ontextInput", textinput);
138 // target.onkeydown= keydown;
139 target.onkeypress= keypress;
140 // target.onkeyup= keyup;
141 // target.ontextinput= textinput; // probably doesn't work
148 if (n == null) return 'undefined';
150 if (n >= 32 && n < 127) s+= ' (' + String.fromCharCode(n) + ')';
151 while (s.length < 9) s+= ' ';
155 function string_of_key(n)
157 if (n == null) return 'undefined';
158 return String.fromCharCode(n);
161 function pressmesg(w,e)
163 debug(w + ' keyCode=' + keyval(e.keyCode) +
164 ' which=' + keyval(e.which) +
165 ' charCode=' + keyval(e.charCode) +
166 '\n shiftKey='+e.shiftKey
167 + ' ctrlKey='+e.ctrlKey
168 + ' altKey='+e.altKey
169 + ' metaKey='+e.metaKey);
172 function suppressdefault(e,flag)
176 if (e.preventDefault) e.preventDefault();
177 if (e.stopPropagation) e.stopPropagation();
182 function restoreSelection(r) {
185 if (window.getSelection)//non IE and there is already a selection
187 var s = window.getSelection();
188 if (s.rangeCount > 0)
193 if (document.createRange)//non IE and no selection
195 window.getSelection().addRange(r);
198 if (document.selection)//IE
205 function lookup_tex(texmacro)
207 texmacro = texmacro.substring(1);
208 return unescape(macro2utf8[texmacro]);
211 function strip_tags(tagname,classname)
213 var tags = unlocked.getElementsByTagName(tagname);
214 if (is_defined(classname)) {
215 tags = filterByClass(tags,classname);
217 for (i = 0; i < tags.length; i++) {
218 var children = tags[i].childNodes;
219 for (j = 0; j < children.length; j++) {
220 tags[i].parentNode.insertBefore(children[j],tags[i]);
223 while (tags.length > 0) {
224 tags[0].parentNode.removeChild(tags[0]);
228 function strip_interpr() {
230 alert("strip_interpr ended");
236 pressmesg('keypress',e);
237 var s = string_of_key(e.charCode);
238 strip_tags("span","error");
241 i = unlocked.innerHTML.html_to_matita().lastIndexOf('\\',j);
243 match = unlocked.innerHTML.html_to_matita().substring(i,j);
244 sym = unescape_html(lookup_tex(match));
245 if (sym != "undefined") {
246 if (window.getSelection) { // non IE
247 savedRange.setStart(savedsc,savedso - (j-i));
248 savedRange.deleteContents();
249 savedRange.insertNode(document.createTextNode(sym));
250 savedsc.parentNode.normalize();
251 if (savedRange.collapsed) { // Mozilla
252 savedRange.setEnd(savedsc,savedRange.endOffset + sym.length);
254 savedRange.collapse(false);
256 savedRange.moveStart(i-j);
257 savedRange.text(sym);
258 savedRange.collapse(false);
260 restoreSelection(savedRange);
261 return suppressdefault(e,true);
264 // restoreSelection(0);
265 return suppressdefault(e,false);
268 else return suppressdefault(e,false);
270 return suppressdefault(e,false);
278 // internet explorer (v.9) doesn't work with innerHTML
279 // but google chrome's innerText is, in a sense, "write only"
280 // what should we do?
281 // logarea.innerText = txt + "\n" + logarea.innerText;
282 logtxt = /* logtxt + "\n" +*/ txt;
286 logWin = window.open( "", "Matita Log",
287 "width=600,height=450,status,scrollbars,resizable,screenX=20,screenY=40,left=20,top=40");
288 logWin.document.write('<html><head><title>Matita Log' + '</title></head>');
289 logWin.document.write('<body><textarea style="width:100%;height:100%;">' +
290 logtxt + '</textarea></body></html>');
291 logWin.document.close();
297 debug("hd of '" + l + "' = '" + ar[0] + "'");
305 debug("tl of '" + l + "' = '" + tl + "'");
309 function listcons(x,l)
311 debug("cons '" + x + "' on '" + l + "'");
312 return (x + "#" + l);
320 function list_append(l1,l2)
328 function fold_left (f,acc,l)
331 { debug("'" + l + "' is fold end");
334 { debug("'" + l + "' is fold cons");
335 return(fold_left (f,f(acc,(listhd(l))),listtl(l))); }
338 function listiter (f,l)
341 { debug("'" + l + "' is nil");
346 debug("'" + l + "' is not nil");
348 listiter(f,listtl(l));
352 function listmap (f,l)
354 debug("listmap on " + l);
356 { debug("returning listnil");
360 { debug("cons f(hd) map(f,tl)");
361 return(f(listhd(l)) + "#" + listmap(f,listtl(l)));
365 var statements = listnil();
368 var metalist = listnil();
370 function pairmap (f,p)
372 debug("pairmap of '" + p + "'");
374 return (f(ar[0],ar[1]));
377 function tripletmap (f,p)
379 debug("tripletmap of '" + p + "'");
381 return (f(ar[0],ar[1],ar[2]));
387 return (pairmap (function (a,b) { return (a); }, p));
393 return (tripletmap (function (a,b,c) { return (a); }, p));
399 return (tripletmap (function (a,b,c) { return (b); }, p));
405 return (tripletmap (function (a,b,c) { return (c); }, p));
408 function populate_goalarray(menv)
410 debug("metasenv.length = " + menv.length);
411 if (menv.length == 0) {
417 goalarray = new Array();
418 metalist = listnil();
419 var tmp_goallist = "";
420 for (i = 0; i < menv.length; i++) {
421 metano = menv[i].getAttribute("number");
422 metaname = menv[i].childNodes[0].childNodes[0].data;
423 goal = menv[i].childNodes[1].childNodes[0].data;
424 debug ("found meta n. " + metano);
425 debug ("found goal\nBEGIN" + goal + "\nEND");
426 goalarray[metano] = goal;
427 tmp_goallist = " <A href=\"javascript:switch_goal(" + metano + ")\">" + metaname + "</A>" + tmp_goallist;
428 metalist = listcons(metano,metalist);
429 debug ("goalarray[\"" + metano + "\"] = " + goalarray[metano]);
431 goals.innerHTML = tmp_goallist;
432 debug("new metalist is '" + metalist + "'");
433 if (is_nil(metalist)) {
437 switch_goal(listhd(metalist));
442 function switch_goal(meta)
444 if (typeof meta == "undefined") {
445 goalview.innerHTML = "";
448 debug("switch_goal " + meta + "\n" + goalarray[meta]);
449 goalview.innerHTML = "<B>Goal ?" + meta + ":</B>\n\n" + goalarray[meta];
453 // the following is used to avoid escaping unicode, which results in
454 // the server being unable to unescape the string
455 String.prototype.sescape = function() {
461 result = result.replace(patt1,"%25");
462 result = result.replace(patt2,"%3D");
463 result = result.replace(patt3,"%26");
464 result = result.replace(patt4,"%2B");
468 String.prototype.html_to_matita = function()
470 var patt1 = /<br(\/|)>/gi;
473 var patt4 = /</gi;
474 var patt5 = />/gi;
475 var patt6 = / /gi;
477 result = result.replace(patt1,"\n");
478 result = result.replace(patt2,"\005");
479 result = result.replace(patt3,"\006");
480 result = result.replace(patt4,"<");
481 result = result.replace(patt5,">");
482 result = result.replace(patt6," ");
483 return (unescape(result));
486 String.prototype.matita_to_html = function()
490 var patt3 = /\005/gi;
491 var patt4 = /\006/gi;
493 result = result.replace(patt1,"<");
494 result = result.replace(patt2,">");
495 result = result.replace(patt3,"<");
496 result = result.replace(patt4,">");
497 return (unescape(result));
500 function is_defined(x)
502 return (typeof x != "undefined");
505 /* servicename: name of the service being called
506 * reqbody: text of the request
507 * processResponse: processes the server response
508 * (takes the response text in input, undefined in case of error)
510 function callServer(servicename,processResponse,reqbody)
514 if (window.XMLHttpRequest)
516 req = new XMLHttpRequest();
518 else if (window.ActiveXObject)
521 req = new ActiveXObject("Msxml2.XMLHTTP");
525 req = new ActiveXObject("Microsoft.XMLHTTP");
529 req.onreadystatechange = function()
537 stxt = req.statusText;
540 debug(req.responseText);
541 if (window.DOMParser) {
542 parser=new DOMParser();
543 xmlDoc=parser.parseFromString(req.responseText,"text/xml");
545 else // Internet Explorer
547 xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
548 xmlDoc.async="false";
549 xmlDoc.loadXML(req.responseText);
551 processResponse(xmlDoc);
557 req.open("POST", servicename); // + escape(unlocked.innerHTML), true);
558 req.setRequestHeader("Content-type","application/x-www-form-urlencoded");
567 function advOneStep(xml) {
568 var parsed = xml.getElementsByTagName("parsed")[0];
569 var ambiguity = xml.getElementsByTagName("ambiguity")[0];
570 var disamberr = xml.getElementsByTagName("disamberror")[0];
571 if (is_defined(parsed)) {
572 // debug("advance: received response\nBEGIN\n" + req.responseText + "\nEND");
573 var len = parseInt(parsed.getAttribute("length"));
574 // len0 = unlocked.innerHTML.length;
575 var unescaped = unlocked.innerHTML.html_to_matita();
576 var parsedtxt = parsed.childNodes[0].wholeText;
577 //parsedtxt = unescaped.substr(0,len);
578 var unparsedtxt = unescaped.substr(len);
579 lockedbackup += parsedtxt;
580 locked.innerHTML = lockedbackup;
581 unlocked.innerHTML = unparsedtxt.matita_to_html();
582 // len1 = unlocked.innerHTML.length;
583 // len2 = len0 - len1;
584 var len2 = parsedtxt.length;
585 var metasenv = xml.getElementsByTagName("meta");
586 statements = listcons(len2,statements);
587 unlocked.scrollIntoView(true);
590 else if (is_defined(ambiguity)) {
591 var start = parseInt(ambiguity.getAttribute("start"));
592 var stop = parseInt(ambiguity.getAttribute("stop"));
593 var choices = xml.getElementsByTagName("choice");
595 matita.ambiguityStart = start;
596 matita.ambiguityStop = stop;
597 matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
598 matita.interpretations = [];
600 var unlockedtxt = unlocked.innerHTML.html_to_matita();
601 var pre = unlockedtxt.substring(0,start).matita_to_html();
602 var mid = unlockedtxt.substring(start,stop).matita_to_html();
603 var post = unlockedtxt.substring(stop).matita_to_html();
604 unlocked.innerHTML = pre +
605 "<span class=\"error\" title=\"disambiguation error\">" +
606 mid + "</span>" + post;
608 var title = "<H3>Ambiguous input</H3>";
609 disambcell.innerHTML = title;
610 for (i = 0;i < choices.length;i++) {
611 matita.interpretations[i] = new Object();
613 var href = choices[i].getAttribute("href");
614 var title = choices[i].getAttribute("title");
615 var desc = choices[i].childNodes[0].nodeValue;
617 matita.interpretations[i].href = href;
618 matita.interpretations[i].title = title;
619 matita.interpretations[i].desc = desc;
621 var choice = document.createElement("input");
622 choice.setAttribute("type","radio");
623 choice.setAttribute("name","interpr");
624 choice.setAttribute("href",href);
625 choice.setAttribute("title",title);
626 if (i == 0) choice.setAttribute("checked","");
628 disambcell.appendChild(choice);
629 disambcell.appendChild(document.createTextNode(desc));
630 disambcell.appendChild(document.createElement("br"));
633 var okbutton = document.createElement("input");
634 okbutton.setAttribute("type","button");
635 okbutton.setAttribute("value","OK");
636 okbutton.setAttribute("onclick","do_disambiguate()");
637 var cancelbutton = document.createElement("input");
638 cancelbutton.setAttribute("type","button");
639 cancelbutton.setAttribute("value","Cancel");
640 cancelbutton.setAttribute("onclick","cancel_disambiguate()");
642 disambcell.appendChild(okbutton);
643 disambcell.appendChild(cancelbutton);
647 matita.disambMode = true;
651 else if (is_defined(disamberr)) {
652 set_cps(disamberr.childNodes);
653 matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
654 matita.disambMode = true;
660 var error = xml.getElementsByTagName("error")[0];
661 unlocked.innerHTML = error.childNodes[0].wholeText;
662 // debug(xml.childNodes[0].nodeValue);
668 function advanceForm1()
670 processor = function(xml) {
672 if (is_defined(xml)) {
674 populate_goalarray(metasenv);
677 debug("advance failed");
685 callServer("advance",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
689 // get or set <choicepoint>'s (in case of disamb error)
691 return matita.choicepoints
694 function set_cps(cps) {
695 matita.choicepoints = cps;
698 // get radio buttons for <choice>'s in a given cp
699 function get_choice_opts(i) {
701 var choices = get_cps()[i].childNodes;
702 for (var j = 0;j < choices.length;j++) {
703 var href = choices[j].getAttribute("href");
704 var title = choices[j].getAttribute("title");
706 if (is_defined(title)) {
708 } else if (is_defined(href)) {
711 desc = "Preliminary error";
714 res[j] = document.createElement("input");
715 res[j].setAttribute("type","radio");
716 res[j].setAttribute("name","choice");
717 res[j].setAttribute("choicepointno",i);
718 res[j].setAttribute("choiceno",j);
719 res[j].setAttribute("href",href);
720 res[j].setAttribute("title",title);
721 res[j].setAttribute("desc",desc);
723 if (j == 0) res[j].setAttribute("checked","");
728 // get radio buttons for <failure>'s in a given choice
729 function get_failure_opts(i,j) {
731 var failures = get_cps()[i].childNodes[j].childNodes;
732 for (var k = 0;k < failures.length;k++) {
733 var start = failures[k].getAttribute("start");
734 var stop = failures[k].getAttribute("stop");
735 var title = failures[k].getAttribute("title");
737 res[k] = document.createElement("input");
738 res[k].setAttribute("type","radio");
739 res[k].setAttribute("name","failure");
740 res[k].setAttribute("choicepointno",i);
741 res[k].setAttribute("choiceno",j);
742 res[k].setAttribute("failureno",k);
743 res[k].setAttribute("start",start);
744 res[k].setAttribute("stop",stop);
745 res[k].setAttribute("title",title);
747 if (k == 0) res[k].setAttribute("checked","");
752 function next_cp(curcp) {
753 var cp = get_cps()[curcp];
754 var start = parseInt(cp.getAttribute("start"));
755 var stop = parseInt(cp.getAttribute("stop"));
757 matita.errorStart = start;
758 matita.errorStop = stop;
759 // matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
761 var unlockedtxt = matita.unlockedbackup;
762 var pre = unlockedtxt.substring(0,start).matita_to_html();
763 var mid = unlockedtxt.substring(start,stop).matita_to_html();
764 var post = unlockedtxt.substring(stop).matita_to_html();
765 unlocked.innerHTML = pre +
766 "<span class=\"error\" title=\"disambiguation failed\">" +
767 mid + "</span>" + post;
769 var title = "<H3>Disambiguation failed</H3>";
770 disambcell.innerHTML = title;
771 var choices = get_choice_opts(curcp);
772 for (var i = 0;i < choices.length;i++) {
773 disambcell.appendChild(choices[i]);
774 disambcell.appendChild(document.createTextNode(choices[i].getAttribute("desc")));
775 disambcell.appendChild(document.createElement("br"));
778 // update index of the next choicepoint
779 new_curcp = (curcp + 1) % get_cps().length;
781 var okbutton = document.createElement("input");
782 okbutton.setAttribute("type","button");
783 okbutton.setAttribute("value","OK");
784 okbutton.setAttribute("onclick","show_failures()");
785 var cancelbutton = document.createElement("input");
786 cancelbutton.setAttribute("type","button");
787 cancelbutton.setAttribute("value","Close");
788 cancelbutton.setAttribute("onclick","cancel_disambiguate()");
789 var tryagainbutton = document.createElement("input");
790 tryagainbutton.setAttribute("type","button");
792 tryagainbutton.setAttribute("value","Try something else");
794 tryagainbutton.setAttribute("value","Restart");
796 tryagainbutton.setAttribute("onclick","next_cp(" + new_curcp + ")");
798 disambcell.appendChild(okbutton);
799 disambcell.appendChild(tryagainbutton);
800 disambcell.appendChild(cancelbutton);
804 //matita.disambMode = true;
809 function show_failures() {
811 var choice = document.getElementsByName("choice")[get_checked_index("choice")];
812 var cpno = parseInt(choice.getAttribute("choicepointno"));
813 var choiceno = parseInt(choice.getAttribute("choiceno"));
814 var choicedesc = choice.getAttribute("desc");
816 var title = "<H3>Disambiguation failed</H3>";
817 var subtitle = "<p>Errors at node " + cpno + " = " + choicedesc + "</p>";
819 disambcell.innerHTML = title + subtitle;
820 var failures = get_failure_opts(cpno,choiceno);
821 for (var i = 0;i < failures.length;i++) {
822 disambcell.appendChild(failures[i]);
823 disambcell.appendChild(document.createTextNode(failures[i].getAttribute("title")));
824 disambcell.appendChild(document.createElement("br"));
827 var okbutton = document.createElement("input");
828 okbutton.setAttribute("type","button");
829 okbutton.setAttribute("value","Show error loc");
830 okbutton.setAttribute("onclick","show_err()");
831 var cancelbutton = document.createElement("input");
832 cancelbutton.setAttribute("type","button");
833 cancelbutton.setAttribute("value","Close");
834 cancelbutton.setAttribute("onclick","cancel_disambiguate()");
835 var backbutton = document.createElement("input");
836 backbutton.setAttribute("type","button");
837 backbutton.setAttribute("value","<< Back");
838 backbutton.setAttribute("onclick","next_cp(" + cpno + ")");
840 disambcell.appendChild(backbutton);
841 disambcell.appendChild(okbutton);
842 disambcell.appendChild(cancelbutton);
846 function show_err() {
847 var radios = document.getElementsByName("failure");
848 for (i = 0; i < radios.length; i++) {
849 if (radios[i].checked) {
850 var start = radios[i].getAttribute("start");
851 var stop = radios[i].getAttribute("stop");
852 var title = radios[i].getAttribute("title");
853 var unlockedtxt = matita.unlockedbackup;
854 var pre = unlockedtxt.substring(0,start).matita_to_html();
855 var mid = unlockedtxt.substring(start,stop).matita_to_html();
856 var post = unlockedtxt.substring(stop).matita_to_html();
857 unlocked.innerHTML = pre +
858 "<span class=\"error\" title=\"Disambiguation failure\">" +
859 mid + "</span>" + post;
865 function gotoBottom()
867 processor = function(xml) {
868 if (is_defined(xml)) {
869 // debug("goto bottom: received response\nBEGIN\n" + req.responseText + "\nEND");
870 var parsed = xml.getElementsByTagName("parsed");
871 var localized = xml.getElementsByTagName("localized")[0];
872 var ambiguity = xml.getElementsByTagName("ambiguity")[0];
873 var generic_err = xml.getElementsByTagName("error")[0];
874 for (var i = 0;i < parsed.length; i++) {
875 var len = parsed[i].getAttribute("length");
876 // len0 = unlocked.innerHTML.length;
877 var unescaped = unlocked.innerHTML.html_to_matita();
878 // the browser may decide to split textnodes: use wholeText!
879 var parsedtxt = parsed[i].childNodes[0].wholeText;
880 //parsedtxt = unescaped.substr(0,len);
881 var unparsedtxt = unescaped.substr(len);
882 lockedbackup += parsedtxt;
883 locked.innerHTML = lockedbackup; //.matita_to_html();
884 unlocked.innerHTML = unparsedtxt.matita_to_html();
885 // len1 = unlocked.innerHTML.length;
886 var len2 = parsedtxt.length;
887 statements = listcons(len2,statements);
889 unlocked.scrollIntoView(true);
890 metasenv = xml.getElementsByTagName("meta");
892 populate_goalarray(metasenv);
894 if (is_defined(ambiguity)) {
895 var start = parseInt(ambiguity.getAttribute("start"));
896 var stop = parseInt(ambiguity.getAttribute("stop"));
897 var choices = xml.getElementsByTagName("choice");
899 matita.ambiguityStart = start;
900 matita.ambiguityStop = stop;
901 matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
902 matita.interpretations = [];
904 var unlockedtxt = unlocked.innerHTML.html_to_matita();
905 var pre = unlockedtxt.substring(0,start).matita_to_html();
906 var mid = unlockedtxt.substring(start,stop).matita_to_html();
907 var post = unlockedtxt.substring(stop).matita_to_html();
908 unlocked.innerHTML = pre +
909 "<span class=\"error\" title=\"disambiguation error\">" +
910 mid + "</span>" + post;
912 var title = "<H3>Ambiguous input</H3>";
913 disambcell.innerHTML = title;
914 for (i = 0;i < choices.length;i++) {
915 matita.interpretations[i] = new Object();
917 var href = choices[i].getAttribute("href");
918 var title = choices[i].getAttribute("title");
919 var desc = choices[i].childNodes[0].nodeValue;
921 matita.interpretations[i].href = href;
922 matita.interpretations[i].title = title;
923 matita.interpretations[i].desc = desc;
925 var choice = document.createElement("input");
926 choice.setAttribute("type","radio");
927 choice.setAttribute("name","interpr");
928 choice.setAttribute("href",href);
929 choice.setAttribute("title",title);
930 if (i == 0) choice.setAttribute("checked","");
932 disambcell.appendChild(choice);
933 disambcell.appendChild(document.createTextNode(desc));
934 disambcell.appendChild(document.createElement("br"));
937 var okbutton = document.createElement("input");
938 okbutton.setAttribute("type","button");
939 okbutton.setAttribute("value","OK");
940 okbutton.setAttribute("onclick","do_disambiguate()");
941 var cancelbutton = document.createElement("input");
942 cancelbutton.setAttribute("type","button");
943 cancelbutton.setAttribute("value","Cancel");
944 cancelbutton.setAttribute("onclick","cancel_disambiguate()");
946 disambcell.appendChild(okbutton);
947 disambcell.appendChild(cancelbutton);
951 matita.disambMode = true;
954 if (is_defined(localized)) {
955 unlocked.innerHTML = localized.wholeText;
957 if (is_defined(generic_err)) {
958 debug("Unmanaged error:\n" ^ generic_err.wholeText);
961 debug("goto bottom failed");
966 callServer("bottom",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
972 processor = function(xml) {
973 if (is_defined(xml)) {
974 if (xml.childNodes[0].textContent != "ok") {
975 debug("goto top failed");
978 statements = listnil();
980 lockedlen = locked.innerHTML.length - statementlen;
981 statement = locked.innerHTML.substr(lockedlen, statementlen);
982 locked.innerHTML = locked.innerHTML.substr(0,lockedlen);
983 unlocked.innerHTML = statement + unlocked.innerHTML;
985 unlocked.innerHTML = lockedbackup + unlocked.innerHTML;
987 locked.innerHTML = lockedbackup;
990 unlocked.scrollIntoView(true);
992 debug("goto top failed");
997 callServer("top",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
1001 function gotoPos(offset)
1003 if (!is_defined(offset)) {
1004 offset = getCursorPos();
1006 processor = function(xml) {
1007 if (is_defined(xml)) {
1010 parsed = xml.getElementsByTagName("parsed")[0];
1011 len = parseInt(parsed.getAttribute("length"));
1012 // len0 = unlocked.innerHTML.length;
1013 unescaped = unlocked.innerHTML.html_to_matita();
1014 parsedtxt = parsed.childNodes[0].wholeText;
1015 //parsedtxt = unescaped.substr(0,len);
1016 unparsedtxt = unescaped.substr(len);
1017 lockedbackup += parsedtxt;
1018 locked.innerHTML = lockedbackup; //.matita_to_html();
1019 unlocked.innerHTML = unparsedtxt.matita_to_html();
1020 // len1 = unlocked.innerHTML.length;
1021 len2 = parsedtxt.length;
1022 metasenv = xml.getElementsByTagName("meta");
1023 // populate_goalarray(metasenv);
1024 statements = listcons(len2,statements);
1025 unlocked.scrollIntoView(true);
1026 // la populate non andrebbe fatta a ogni passo
1028 var len = advOneStep(xml);
1029 if (offset <= len) {
1031 populate_goalarray(metasenv);
1034 gotoPos(offset - len);
1038 populate_goalarray(metasenv);
1043 unlocked.scrollIntoView(true);
1044 populate_goalarray(metasenv);
1049 callServer("advance",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
1054 processor = function(xml) {
1055 if (typeof xml != "undefined") {
1056 // debug("advance: received response\nBEGIN\n" + req.responseText + "\nEND");
1057 statementlen = parseInt(listhd(statements));
1058 statements = listtl(statements);
1060 lockedlen = locked.innerHTML.length - statementlen;
1061 statement = locked.innerHTML.substr(lockedlen, statementlen);
1062 locked.innerHTML = locked.innerHTML.substr(0,lockedlen);
1063 unlocked.innerHTML = statement + unlocked.innerHTML;
1065 lockedlen = lockedbackup.length - statementlen;
1066 statement = lockedbackup.substr(lockedlen, statementlen);
1067 lockedbackup = lockedbackup.substr(0,lockedlen);
1068 locked.innerHTML = lockedbackup;
1069 unlocked.innerHTML = statement + unlocked.innerHTML;
1070 metasenv = xml.getElementsByTagName("meta");
1072 populate_goalarray(metasenv);
1073 unlocked.scrollIntoView(true);
1075 debug("retract failed");
1081 callServer("retract",processor);
1087 processor = function(xml)
1089 if (is_defined(xml)) {
1091 locked.innerHTML = lockedbackup;
1092 unlocked.innerHTML = xml.documentElement.wholeText;
1094 debug("file open failed");
1097 callServer("open",processor,"file=" + escape(filename.value));
1100 function retrieveFile(thefile)
1102 processor = function(xml)
1104 if (is_defined(xml)) {
1105 changeFile(thefile);
1107 locked.innerHTML = lockedbackup;
1108 // code originally used in google chrome (problems with mozilla)
1109 // debug(xml.getElementsByTagName("file")[0].childNodes[0].nodeValue);
1110 // unlocked.innerHTML = xml.getElementsByTagName("file")[0].childNodes[0].nodeValue;
1111 debug(xml.childNodes[0].textContent);
1112 if (document.all) { // IE
1113 unlocked.innerHTML = xml.childNodes[0].text;
1115 unlocked.innerHTML = xml.childNodes[0].textContent;
1120 debug("file open failed");
1124 callServer("open",processor,"file=" + escape(thefile));
1127 function showLibrary(title,callback,reloadDialog)
1130 dialogBox.reload = reloadDialog;
1132 if (window.XMLHttpRequest)
1134 req = new XMLHttpRequest();
1136 else if (window.ActiveXObject)
1139 req = new ActiveXObject("Msxml2.XMLHTTP");
1143 req = new ActiveXObject("Microsoft.XMLHTTP");
1147 req.onreadystatechange = function()
1150 rs = req.readyState;
1155 stxt = req.statusText;
1158 debug(req.responseText);
1159 showDialog("<H2>" + title + "</H2>",req.responseText, callback);
1163 req.open("POST", "viewlib"); // + escape(unlocked.innerHTML), true);
1164 req.setRequestHeader("Content-type","application/x-www-form-urlencoded");
1169 function uploadDialog()
1171 uploadBox.style.display = "block";
1176 var file = document.getElementById("uploadFilename").files[0];
1178 var filecontent = file.getAsText("UTF-8");
1179 locked.innerHTML = lockedbackup;
1180 unlocked.innerHTML = filecontent;
1181 uploadBox.style.display = "none";
1184 // var reader = new FileReader();
1185 // reader.readAsText(file, "UTF-8");
1186 // reader.onloadend = function (evt) {
1187 // lockedbackup = "";
1188 // locked.innerHTML = lockedbackup
1189 // unlocked.innerHTML = evt.target.result;
1190 // uploadBox.style.display = "none";
1192 // reader.onerror = function (evt) {
1193 // debug("file open failed");
1194 // uploadBox.style.display = "none";
1199 function openDialog()
1201 callback = function (fname) { retrieveFile(fname); };
1202 showLibrary("Open file", callback, openDialog);
1205 function saveDialog()
1207 callback = function (fname) {
1210 (locked.innerHTML.html_to_matita()).sescape(),
1211 (unlocked.innerHTML.html_to_matita()).sescape(),
1214 showLibrary("Save file as", callback, saveDialog);
1217 function newDialog()
1219 callback = function (fname) {
1221 saveFile(fname,"","",false,newDialog,true);
1223 showLibrary("Create new file", callback, newDialog);
1227 function saveFile(fname,lockedtxt,unlockedtxt,force,reloadDialog,reloadFile)
1229 if (!is_defined(reloadFile)) { reloadFile = true };
1230 if (!is_defined(fname)) {
1231 fname = current_fname;
1232 lockedtxt = (locked.innerHTML.html_to_matita()).sescape();
1233 unlockedtxt = (unlocked.innerHTML.html_to_matita()).sescape();
1235 // when force is true, reloadDialog is not needed
1237 processor = function(xml) {
1238 if (is_defined(xml)) {
1239 if (xml.childNodes[0].textContent != "ok") {
1240 if (confirm("File already exists. All existing data will be lost.\nDo you want to proceed anyway?")) {
1241 saveFile(fname,lockedtxt,unlockedtxt,true,reloadDialog,reloadFile);
1247 debug("file saved!");
1248 if (reloadFile) { retrieveFile(fname); }
1251 debug("save file failed");
1255 if (is_defined(fname)) {
1257 callServer("save",processor,"file=" + escape(fname) +
1258 "&locked=" + lockedtxt +
1259 "&unlocked=" + unlockedtxt +
1262 else { debug("no file selected"); }
1265 function createDir() {
1267 dirname = prompt("New directory name:\ncic:/matita/","newdir");
1268 if (dirname != null) {
1269 processor = function(xml) {
1270 if (is_defined(xml)) {
1271 if (xml.childNodes[0].textContent != "ok") {
1272 alert("An error occurred :-(");
1275 alert("An error occurred :-(");
1280 callServer("save",processor,"file=" + escape(dirname) +
1281 "&locked=&unlocked=&force=false&dir=true");
1287 function commitAll()
1289 processor = function(xml) {
1290 if (is_defined(xml)) {
1291 debug(xml.getElementsByTagName("details")[0].textContent);
1292 alert("Commit executed: see details in the log.\n\n" +
1293 "NOTICE: this message does NOT imply (yet) that the commit was successful.");
1295 alert("Commit failed!");
1300 callServer("commit",processor);
1303 function updateAll()
1305 processor = function(xml) {
1306 if (is_defined(xml)) {
1307 alert("Update executed.\n\n" +
1309 xml.getElementsByTagName("details")[0].textContent);
1311 alert("Update failed!");
1316 callServer("update",processor);
1321 function hideSequent() {
1322 matita.proofMode = false;
1326 function showSequent() {
1327 matita.proofMode = true;
1331 function showDialog(title,content,callback) {
1332 dialogTitle.innerHTML = title;
1333 dialogContent.innerHTML = content;
1334 dialogBox.callback = callback;
1336 //Get the screen height and width
1337 var maskHeight = $(document).height();
1338 var maskWidth = $(window).width();
1340 //Set heigth and width to mask to fill up the whole screen
1341 $('#mask').css({'width':maskWidth,'height':maskHeight});
1344 $('#mask').fadeIn(100);
1345 $('#mask').fadeTo(200,0.8);
1347 //Get the window height and width
1348 var winH = $(window).height();
1349 var winW = $(window).width();
1351 //Set the popup window to center
1352 $('#dialogBox').css('top', winH/2-$('#dialogBox').height()/2);
1353 $('#dialogBox').css('left', winW/2-$('#dialogBox').width()/2);
1356 $('#dialogBox').fadeIn(200);
1358 dialogBox.style.display = "block";
1361 function abortDialog(dialog) {
1363 dialogBox.style.display = "none";
1366 function removeElement(id) {
1367 var element = document.getElementById(id);
1368 element.parentNode.removeChild(element);
1374 function getCursorPos() {
1376 if (window.getSelection) {
1377 var selObj = window.getSelection();
1378 savedRange = selObj.getRangeAt(0);
1379 savedsc = savedRange.startContainer;
1380 savedso = savedRange.startOffset;
1381 //cursorPos = findNode(selObj.anchorNode.parentNode.childNodes, selObj.anchorNode) + selObj.anchorOffset;
1382 cursorPos = findNode(unlocked.childNodes, selObj.anchorNode,0) + selObj.anchorOffset;
1383 /* FIXME the following works wrong in Opera when the document is longer than 32767 chars */
1386 else if (document.selection) {
1387 savedRange = document.selection.createRange();
1388 var bookmark = savedRange.getBookmark();
1389 /* FIXME the following works wrong when the document is longer than 65535 chars */
1390 cursorPos = bookmark.charCodeAt(2) - 11; /* Undocumented function [3] */
1395 function findNode(list, node, acc) {
1396 for (var i = 0; i < list.length; i++) {
1397 if (list[i] == node) {
1398 // debug("success " + i);
1401 if (list[i].hasChildNodes()) {
1403 // debug("recursion on node " + i);
1404 return (findNode(list[i].childNodes,node,acc))
1406 catch (e) { /* debug("recursion failed"); */ }
1408 sandbox = document.getElementById("sandbox");
1409 dup = list[i].cloneNode(true);
1410 sandbox.appendChild(dup);
1411 // debug("fail " + i + ": " + sandbox.innerHTML);
1412 acc += sandbox.innerHTML.html_to_matita().length;
1413 sandbox.removeChild(dup);
1419 debug("cursor test: " + unlocked.innerHTML.substr(0,getCursorPos()));
1422 function get_checked_index(name) {
1423 var radios = document.getElementsByName(name);
1424 for (i = 0; i < radios.length; i++) {
1425 if (radios[i].checked) {
1432 function cancel_disambiguate() {
1433 matita.disambMode = false;
1439 function do_disambiguate() {
1440 var i = get_checked_index("interpr");
1442 var pre = matita.unlockedbackup
1443 .substring(0,matita.ambiguityStart).matita_to_html();
1444 var mid = matita.unlockedbackup
1445 .substring(matita.ambiguityStart,matita.ambiguityStop)
1447 var post = matita.unlockedbackup
1448 .substring(matita.ambiguityStop).matita_to_html();
1450 var href = matita.interpretations[i].href;
1451 var title = matita.interpretations[i].title;
1453 if (is_defined(title)) {
1454 mid = "<A href=\"" + href + "\" title=\"" + title + "\">" + mid + "</A>";
1456 mid = "<A href=\"" + href + "\">" + mid + "</A>";
1459 unlocked.innerHTML = pre + mid + post;
1461 matita.disambMode = false;
1468 function do_showerror() {
1469 var i = get_checked_index("choice");
1471 var pre = matita.unlockedbackup
1472 .substring(0,matita.ambiguityStart).matita_to_html();
1473 var mid = matita.unlockedbackup
1474 .substring(matita.ambiguityStart,matita.ambiguityStop)
1476 var post = matita.unlockedbackup
1477 .substring(matita.ambiguityStop).matita_to_html();
1479 var href = matita.interpretations[i].href;
1480 var title = matita.interpretations[i].title;
1482 if (is_defined(title)) {
1483 mid = "<A href=\"" + href + "\" title=\"" + title + "\">" + mid + "</A>";
1485 mid = "<A href=\"" + href + "\">" + mid + "</A>";
1488 unlocked.innerHTML = pre + mid + post;
1493 function readCookie(name) {
1494 var nameEQ = name + "=";
1495 var ca = document.cookie.split(';');
1496 for(var i=0;i < ca.length;i++) {
1498 while (c.charAt(0)==' ') c = c.substring(1,c.length);
1499 if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
1504 function delete_cookie ( cookie_name )
1506 var cookie_date = new Date(); // current date & time
1507 cookie_date.setTime ( cookie_date.getTime() - 1 );
1508 document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();
1511 function delete_session()
1513 delete_cookie("session");
1516 function disable_toparea() {
1517 var offset = $('#toparea').offset();
1518 $('#whitemask').css('top',offset.top);
1519 $('#whitemask').css('left',offset.left);
1520 $('#whitemask').css('width',$('#toparea').outerWidth() + "px");
1521 $('#whitemask').css('height',$('#toparea').outerHeight() + "px");
1522 $('#whitemask').fadeTo('fast',0.7);
1525 function enable_toparea() {
1526 $('#whitemask').hide();
1529 function disable_editing() {
1530 unlocked.contentEditable = false;
1533 function enable_editing() {
1534 unlocked.contentEditable = true;
1539 // advanceButton.disabled = true;
1540 // retractButton.disabled = true;
1541 // cursorButton.disabled = true;
1542 // bottomButton.disabled = true;
1549 // advanceButton.disabled = false;
1550 // retractButton.disabled = false;
1551 // cursorButton.disabled = false;
1552 // bottomButton.disabled = false;