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));
502 advanceButton.disabled = true;
503 retractButton.disabled = true;
504 cursorButton.disabled = true;
505 bottomButton.disabled = true;
510 advanceButton.disabled = false;
511 retractButton.disabled = false;
512 cursorButton.disabled = false;
513 bottomButton.disabled = false;
516 function is_defined(x)
518 return (typeof x != "undefined");
521 /* servicename: name of the service being called
522 * reqbody: text of the request
523 * processResponse: processes the server response
524 * (takes the response text in input, undefined in case of error)
526 function callServer(servicename,processResponse,reqbody)
530 if (window.XMLHttpRequest)
532 req = new XMLHttpRequest();
534 else if (window.ActiveXObject)
537 req = new ActiveXObject("Msxml2.XMLHTTP");
541 req = new ActiveXObject("Microsoft.XMLHTTP");
545 req.onreadystatechange = function()
553 stxt = req.statusText;
556 debug(req.responseText);
557 if (window.DOMParser) {
558 parser=new DOMParser();
559 xmlDoc=parser.parseFromString(req.responseText,"text/xml");
561 else // Internet Explorer
563 xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
564 xmlDoc.async="false";
565 xmlDoc.loadXML(req.responseText);
567 processResponse(xmlDoc);
573 req.open("POST", servicename); // + escape(unlocked.innerHTML), true);
574 req.setRequestHeader("Content-type","application/x-www-form-urlencoded");
583 function advanceForm1()
585 processor = function(xml) {
586 if (is_defined(xml)) {
587 var parsed = xml.getElementsByTagName("parsed")[0];
588 var ambiguity = xml.getElementsByTagName("ambiguity")[0];
589 var disamberr = xml.getElementsByTagName("disamberror")[0];
590 if (is_defined(parsed)) {
591 // debug("advance: received response\nBEGIN\n" + req.responseText + "\nEND");
592 var len = parseInt(parsed.getAttribute("length"));
593 // len0 = unlocked.innerHTML.length;
594 var unescaped = unlocked.innerHTML.html_to_matita();
595 var parsedtxt = parsed.childNodes[0].wholeText;
596 //parsedtxt = unescaped.substr(0,len);
597 var unparsedtxt = unescaped.substr(len);
598 lockedbackup += parsedtxt;
599 locked.innerHTML = lockedbackup;
600 unlocked.innerHTML = unparsedtxt.matita_to_html();
601 // len1 = unlocked.innerHTML.length;
602 // len2 = len0 - len1;
603 var len2 = parsedtxt.length;
604 var metasenv = xml.getElementsByTagName("meta");
605 populate_goalarray(metasenv);
607 statements = listcons(len2,statements);
608 unlocked.scrollIntoView(true);
610 else if (is_defined(ambiguity)) {
611 var start = parseInt(ambiguity.getAttribute("start"));
612 var stop = parseInt(ambiguity.getAttribute("stop"));
613 var choices = xml.getElementsByTagName("choice");
615 matita.ambiguityStart = start;
616 matita.ambiguityStop = stop;
617 matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
618 matita.interpretations = [];
620 var unlockedtxt = unlocked.innerHTML.html_to_matita();
621 var pre = unlockedtxt.substring(0,start).matita_to_html();
622 var mid = unlockedtxt.substring(start,stop).matita_to_html();
623 var post = unlockedtxt.substring(stop).matita_to_html();
624 unlocked.innerHTML = pre +
625 "<span class=\"error\" title=\"disambiguation error\">" +
626 mid + "</span>" + post;
628 var title = "<H3>Ambiguous input</H3>";
629 disambcell.innerHTML = title;
630 for (i = 0;i < choices.length;i++) {
631 matita.interpretations[i] = new Object();
633 var href = choices[i].getAttribute("href");
634 var title = choices[i].getAttribute("title");
635 var desc = choices[i].childNodes[0].nodeValue;
637 matita.interpretations[i].href = href;
638 matita.interpretations[i].title = title;
639 matita.interpretations[i].desc = desc;
641 var choice = document.createElement("input");
642 choice.setAttribute("type","radio");
643 choice.setAttribute("name","interpr");
644 choice.setAttribute("href",href);
645 choice.setAttribute("title",title);
646 if (i == 0) choice.setAttribute("checked","");
648 disambcell.appendChild(choice);
649 disambcell.appendChild(document.createTextNode(desc));
650 disambcell.appendChild(document.createElement("br"));
653 var okbutton = document.createElement("input");
654 okbutton.setAttribute("type","button");
655 okbutton.setAttribute("value","OK");
656 okbutton.setAttribute("onclick","do_disambiguate()");
657 var cancelbutton = document.createElement("input");
658 cancelbutton.setAttribute("type","button");
659 cancelbutton.setAttribute("value","Cancel");
660 cancelbutton.setAttribute("onclick","cancel_disambiguate()");
662 disambcell.appendChild(okbutton);
663 disambcell.appendChild(cancelbutton);
667 matita.disambMode = true;
670 else if (is_defined(disamberr)) {
671 set_cps(disamberr.childNodes);
672 matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
673 matita.disambMode = true;
678 var error = xml.getElementsByTagName("error")[0];
679 unlocked.innerHTML = error.childNodes[0].wholeText;
680 // debug(xml.childNodes[0].nodeValue);
683 debug("advance failed");
688 callServer("advance",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
692 // get or set <choicepoint>'s (in case of disamb error)
694 return matita.choicepoints
697 function set_cps(cps) {
698 matita.choicepoints = cps;
701 // get radio buttons for <choice>'s in a given cp
702 function get_choice_opts(i) {
704 var choices = get_cps()[i].childNodes;
705 for (var j = 0;j < choices.length;j++) {
706 var href = choices[j].getAttribute("href");
707 var title = choices[j].getAttribute("title");
709 if (is_defined(title)) {
711 } else if (is_defined(href)) {
714 desc = "Preliminary error";
717 res[j] = document.createElement("input");
718 res[j].setAttribute("type","radio");
719 res[j].setAttribute("name","choice");
720 res[j].setAttribute("choicepointno",i);
721 res[j].setAttribute("choiceno",j);
722 res[j].setAttribute("href",href);
723 res[j].setAttribute("title",title);
724 res[j].setAttribute("desc",desc);
726 if (j == 0) res[j].setAttribute("checked","");
731 // get radio buttons for <failure>'s in a given choice
732 function get_failure_opts(i,j) {
734 var failures = get_cps()[i].childNodes[j].childNodes;
735 for (var k = 0;k < failures.length;k++) {
736 var start = failures[k].getAttribute("start");
737 var stop = failures[k].getAttribute("stop");
738 var title = failures[k].getAttribute("title");
740 res[k] = document.createElement("input");
741 res[k].setAttribute("type","radio");
742 res[k].setAttribute("name","failure");
743 res[k].setAttribute("choicepointno",i);
744 res[k].setAttribute("choiceno",j);
745 res[k].setAttribute("failureno",k);
746 res[k].setAttribute("start",start);
747 res[k].setAttribute("stop",stop);
748 res[k].setAttribute("title",title);
750 if (k == 0) res[k].setAttribute("checked","");
755 function next_cp(curcp) {
756 var cp = get_cps()[curcp];
757 var start = parseInt(cp.getAttribute("start"));
758 var stop = parseInt(cp.getAttribute("stop"));
760 matita.errorStart = start;
761 matita.errorStop = stop;
762 // matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
764 var unlockedtxt = matita.unlockedbackup;
765 var pre = unlockedtxt.substring(0,start).matita_to_html();
766 var mid = unlockedtxt.substring(start,stop).matita_to_html();
767 var post = unlockedtxt.substring(stop).matita_to_html();
768 unlocked.innerHTML = pre +
769 "<span class=\"error\" title=\"disambiguation failed\">" +
770 mid + "</span>" + post;
772 var title = "<H3>Disambiguation failed</H3>";
773 disambcell.innerHTML = title;
774 var choices = get_choice_opts(curcp);
775 for (var i = 0;i < choices.length;i++) {
776 disambcell.appendChild(choices[i]);
777 disambcell.appendChild(document.createTextNode(choices[i].getAttribute("desc")));
778 disambcell.appendChild(document.createElement("br"));
781 // update index of the next choicepoint
782 new_curcp = (curcp + 1) % get_cps().length;
784 var okbutton = document.createElement("input");
785 okbutton.setAttribute("type","button");
786 okbutton.setAttribute("value","OK");
787 okbutton.setAttribute("onclick","show_failures()");
788 var cancelbutton = document.createElement("input");
789 cancelbutton.setAttribute("type","button");
790 cancelbutton.setAttribute("value","Close");
791 cancelbutton.setAttribute("onclick","cancel_disambiguate()");
792 var tryagainbutton = document.createElement("input");
793 tryagainbutton.setAttribute("type","button");
795 tryagainbutton.setAttribute("value","Try something else");
797 tryagainbutton.setAttribute("value","Restart");
799 tryagainbutton.setAttribute("onclick","next_cp(" + new_curcp + ")");
801 disambcell.appendChild(okbutton);
802 disambcell.appendChild(tryagainbutton);
803 disambcell.appendChild(cancelbutton);
807 //matita.disambMode = true;
812 function show_failures() {
814 var choice = document.getElementsByName("choice")[get_checked_index("choice")];
815 var cpno = parseInt(choice.getAttribute("choicepointno"));
816 var choiceno = parseInt(choice.getAttribute("choiceno"));
817 var choicedesc = choice.getAttribute("desc");
819 var title = "<H3>Disambiguation failed</H3>";
820 var subtitle = "<p>Errors at node " + cpno + " = " + choicedesc + "</p>";
822 disambcell.innerHTML = title + subtitle;
823 var failures = get_failure_opts(cpno,choiceno);
824 for (var i = 0;i < failures.length;i++) {
825 disambcell.appendChild(failures[i]);
826 disambcell.appendChild(document.createTextNode(failures[i].getAttribute("title")));
827 disambcell.appendChild(document.createElement("br"));
830 var okbutton = document.createElement("input");
831 okbutton.setAttribute("type","button");
832 okbutton.setAttribute("value","Show error loc");
833 okbutton.setAttribute("onclick","show_err()");
834 var cancelbutton = document.createElement("input");
835 cancelbutton.setAttribute("type","button");
836 cancelbutton.setAttribute("value","Close");
837 cancelbutton.setAttribute("onclick","cancel_disambiguate()");
838 var backbutton = document.createElement("input");
839 backbutton.setAttribute("type","button");
840 backbutton.setAttribute("value","<< Back");
841 backbutton.setAttribute("onclick","next_cp(" + cpno + ")");
843 disambcell.appendChild(backbutton);
844 disambcell.appendChild(okbutton);
845 disambcell.appendChild(cancelbutton);
849 function show_err() {
850 var radios = document.getElementsByName("failure");
851 for (i = 0; i < radios.length; i++) {
852 if (radios[i].checked) {
853 var start = radios[i].getAttribute("start");
854 var stop = radios[i].getAttribute("stop");
855 var title = radios[i].getAttribute("title");
856 var unlockedtxt = matita.unlockedbackup;
857 var pre = unlockedtxt.substring(0,start).matita_to_html();
858 var mid = unlockedtxt.substring(start,stop).matita_to_html();
859 var post = unlockedtxt.substring(stop).matita_to_html();
860 unlocked.innerHTML = pre +
861 "<span class=\"error\" title=\"Disambiguation failure\">" +
862 mid + "</span>" + post;
868 function gotoBottom()
870 processor = function(xml) {
871 if (is_defined(xml)) {
872 // debug("goto bottom: received response\nBEGIN\n" + req.responseText + "\nEND");
873 var parsed = xml.getElementsByTagName("parsed");
874 var localized = xml.getElementsByTagName("localized")[0];
875 var ambiguity = xml.getElementsByTagName("ambiguity")[0];
876 var generic_err = xml.getElementsByTagName("error")[0];
877 for (var i = 0;i < parsed.length; i++) {
878 var len = parsed[i].getAttribute("length");
879 // len0 = unlocked.innerHTML.length;
880 var unescaped = unlocked.innerHTML.html_to_matita();
881 // the browser may decide to split textnodes: use wholeText!
882 var parsedtxt = parsed[i].childNodes[0].wholeText;
883 //parsedtxt = unescaped.substr(0,len);
884 var unparsedtxt = unescaped.substr(len);
885 lockedbackup += parsedtxt;
886 locked.innerHTML = lockedbackup; //.matita_to_html();
887 unlocked.innerHTML = unparsedtxt.matita_to_html();
888 // len1 = unlocked.innerHTML.length;
889 var len2 = parsedtxt.length;
890 statements = listcons(len2,statements);
892 unlocked.scrollIntoView(true);
893 metasenv = xml.getElementsByTagName("meta");
895 populate_goalarray(metasenv);
897 if (is_defined(ambiguity)) {
898 var start = parseInt(ambiguity.getAttribute("start"));
899 var stop = parseInt(ambiguity.getAttribute("stop"));
900 var choices = xml.getElementsByTagName("choice");
902 matita.ambiguityStart = start;
903 matita.ambiguityStop = stop;
904 matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
905 matita.interpretations = [];
907 var unlockedtxt = unlocked.innerHTML.html_to_matita();
908 var pre = unlockedtxt.substring(0,start).matita_to_html();
909 var mid = unlockedtxt.substring(start,stop).matita_to_html();
910 var post = unlockedtxt.substring(stop).matita_to_html();
911 unlocked.innerHTML = pre +
912 "<span class=\"error\" title=\"disambiguation error\">" +
913 mid + "</span>" + post;
915 var title = "<H3>Ambiguous input</H3>";
916 disambcell.innerHTML = title;
917 for (i = 0;i < choices.length;i++) {
918 matita.interpretations[i] = new Object();
920 var href = choices[i].getAttribute("href");
921 var title = choices[i].getAttribute("title");
922 var desc = choices[i].childNodes[0].nodeValue;
924 matita.interpretations[i].href = href;
925 matita.interpretations[i].title = title;
926 matita.interpretations[i].desc = desc;
928 var choice = document.createElement("input");
929 choice.setAttribute("type","radio");
930 choice.setAttribute("name","interpr");
931 choice.setAttribute("href",href);
932 choice.setAttribute("title",title);
933 if (i == 0) choice.setAttribute("checked","");
935 disambcell.appendChild(choice);
936 disambcell.appendChild(document.createTextNode(desc));
937 disambcell.appendChild(document.createElement("br"));
940 var okbutton = document.createElement("input");
941 okbutton.setAttribute("type","button");
942 okbutton.setAttribute("value","OK");
943 okbutton.setAttribute("onclick","do_disambiguate()");
944 var cancelbutton = document.createElement("input");
945 cancelbutton.setAttribute("type","button");
946 cancelbutton.setAttribute("value","Cancel");
947 cancelbutton.setAttribute("onclick","cancel_disambiguate()");
949 disambcell.appendChild(okbutton);
950 disambcell.appendChild(cancelbutton);
954 matita.disambMode = true;
957 if (is_defined(localized)) {
958 unlocked.innerHTML = localized.wholeText;
960 if (is_defined(generic_err)) {
961 debug("Unmanaged error:\n" ^ generic_err.wholeText);
964 debug("goto bottom failed");
969 callServer("bottom",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
975 processor = function(xml) {
976 if (is_defined(xml)) {
977 if (xml.childNodes[0].textContent != "ok") {
978 debug("goto top failed");
981 statements = listnil();
983 lockedlen = locked.innerHTML.length - statementlen;
984 statement = locked.innerHTML.substr(lockedlen, statementlen);
985 locked.innerHTML = locked.innerHTML.substr(0,lockedlen);
986 unlocked.innerHTML = statement + unlocked.innerHTML;
988 unlocked.innerHTML = lockedbackup + unlocked.innerHTML;
990 locked.innerHTML = lockedbackup;
993 unlocked.scrollIntoView(true);
995 debug("goto top failed");
1000 callServer("top",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
1003 function gotoPos(offset)
1005 if (!is_defined(offset)) {
1006 offset = getCursorPos();
1008 processor = function(xml) {
1009 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
1027 if (offset <= len) {
1029 populate_goalarray(metasenv);
1032 gotoPos(offset - len);
1036 unlocked.scrollIntoView(true);
1037 populate_goalarray(metasenv);
1042 callServer("advance",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
1047 processor = function(xml) {
1048 if (typeof xml != "undefined") {
1049 // debug("advance: received response\nBEGIN\n" + req.responseText + "\nEND");
1050 statementlen = parseInt(listhd(statements));
1051 statements = listtl(statements);
1053 lockedlen = locked.innerHTML.length - statementlen;
1054 statement = locked.innerHTML.substr(lockedlen, statementlen);
1055 locked.innerHTML = locked.innerHTML.substr(0,lockedlen);
1056 unlocked.innerHTML = statement + unlocked.innerHTML;
1058 lockedlen = lockedbackup.length - statementlen;
1059 statement = lockedbackup.substr(lockedlen, statementlen);
1060 lockedbackup = lockedbackup.substr(0,lockedlen);
1061 locked.innerHTML = lockedbackup;
1062 unlocked.innerHTML = statement + unlocked.innerHTML;
1063 metasenv = xml.getElementsByTagName("meta");
1065 populate_goalarray(metasenv);
1066 unlocked.scrollIntoView(true);
1068 debug("retract failed");
1074 callServer("retract",processor);
1080 processor = function(xml)
1082 if (is_defined(xml)) {
1084 locked.innerHTML = lockedbackup;
1085 unlocked.innerHTML = xml.documentElement.wholeText;
1087 debug("file open failed");
1090 callServer("open",processor,"file=" + escape(filename.value));
1093 function retrieveFile(thefile)
1095 processor = function(xml)
1097 if (is_defined(xml)) {
1098 changeFile(thefile);
1100 locked.innerHTML = lockedbackup;
1101 // code originally used in google chrome (problems with mozilla)
1102 // debug(xml.getElementsByTagName("file")[0].childNodes[0].nodeValue);
1103 // unlocked.innerHTML = xml.getElementsByTagName("file")[0].childNodes[0].nodeValue;
1104 debug(xml.childNodes[0].textContent);
1105 if (document.all) { // IE
1106 unlocked.innerHTML = xml.childNodes[0].text;
1108 unlocked.innerHTML = xml.childNodes[0].textContent;
1113 debug("file open failed");
1117 callServer("open",processor,"file=" + escape(thefile));
1120 function showLibrary(title,callback,reloadDialog)
1123 dialogBox.reload = reloadDialog;
1125 if (window.XMLHttpRequest)
1127 req = new XMLHttpRequest();
1129 else if (window.ActiveXObject)
1132 req = new ActiveXObject("Msxml2.XMLHTTP");
1136 req = new ActiveXObject("Microsoft.XMLHTTP");
1140 req.onreadystatechange = function()
1143 rs = req.readyState;
1148 stxt = req.statusText;
1151 debug(req.responseText);
1152 showDialog("<H2>" + title + "</H2>",req.responseText, callback);
1156 req.open("POST", "viewlib"); // + escape(unlocked.innerHTML), true);
1157 req.setRequestHeader("Content-type","application/x-www-form-urlencoded");
1162 function uploadDialog()
1164 uploadBox.style.display = "block";
1169 var file = document.getElementById("uploadFilename").files[0];
1171 var filecontent = file.getAsText("UTF-8");
1172 locked.innerHTML = lockedbackup;
1173 unlocked.innerHTML = filecontent;
1174 uploadBox.style.display = "none";
1177 // var reader = new FileReader();
1178 // reader.readAsText(file, "UTF-8");
1179 // reader.onloadend = function (evt) {
1180 // lockedbackup = "";
1181 // locked.innerHTML = lockedbackup
1182 // unlocked.innerHTML = evt.target.result;
1183 // uploadBox.style.display = "none";
1185 // reader.onerror = function (evt) {
1186 // debug("file open failed");
1187 // uploadBox.style.display = "none";
1192 function openDialog()
1194 callback = function (fname) { retrieveFile(fname); };
1195 showLibrary("Open file", callback, openDialog);
1198 function saveDialog()
1200 callback = function (fname) {
1203 (locked.innerHTML.html_to_matita()).sescape(),
1204 (unlocked.innerHTML.html_to_matita()).sescape(),
1207 showLibrary("Save file as", callback, saveDialog);
1210 function newDialog()
1212 callback = function (fname) {
1214 saveFile(fname,"","",false,newDialog,true);
1216 showLibrary("Create new file", callback, newDialog);
1220 function saveFile(fname,lockedtxt,unlockedtxt,force,reloadDialog,reloadFile)
1222 if (!is_defined(reloadFile)) { reloadFile = true };
1223 if (!is_defined(fname)) {
1224 fname = current_fname;
1225 lockedtxt = (locked.innerHTML.html_to_matita()).sescape();
1226 unlockedtxt = (unlocked.innerHTML.html_to_matita()).sescape();
1228 // when force is true, reloadDialog is not needed
1230 processor = function(xml) {
1231 if (is_defined(xml)) {
1232 if (xml.childNodes[0].textContent != "ok") {
1233 if (confirm("File already exists. All existing data will be lost.\nDo you want to proceed anyway?")) {
1234 saveFile(fname,lockedtxt,unlockedtxt,true,reloadDialog,reloadFile);
1240 debug("file saved!");
1241 if (reloadFile) { retrieveFile(fname); }
1244 debug("save file failed");
1248 if (is_defined(fname)) {
1250 callServer("save",processor,"file=" + escape(fname) +
1251 "&locked=" + lockedtxt +
1252 "&unlocked=" + unlockedtxt +
1255 else { debug("no file selected"); }
1258 function createDir() {
1260 dirname = prompt("New directory name:\ncic:/matita/","newdir");
1261 if (dirname != null) {
1262 processor = function(xml) {
1263 if (is_defined(xml)) {
1264 if (xml.childNodes[0].textContent != "ok") {
1265 alert("An error occurred :-(");
1268 alert("An error occurred :-(");
1273 callServer("save",processor,"file=" + escape(dirname) +
1274 "&locked=&unlocked=&force=false&dir=true");
1280 function commitAll()
1282 processor = function(xml) {
1283 if (is_defined(xml)) {
1284 debug(xml.getElementsByTagName("details")[0].textContent);
1285 alert("Commit executed: see details in the log.\n\n" +
1286 "NOTICE: this message does NOT imply (yet) that the commit was successful.");
1288 alert("Commit failed!");
1293 callServer("commit",processor);
1296 function updateAll()
1298 processor = function(xml) {
1299 if (is_defined(xml)) {
1300 alert("Update executed.\n\n" +
1302 xml.getElementsByTagName("details")[0].textContent);
1304 alert("Update failed!");
1309 callServer("update",processor);
1314 function hideSequent() {
1315 matita.proofMode = false;
1319 function showSequent() {
1320 matita.proofMode = true;
1324 function showDialog(title,content,callback) {
1325 dialogTitle.innerHTML = title;
1326 dialogContent.innerHTML = content;
1327 dialogBox.callback = callback;
1329 //Get the screen height and width
1330 var maskHeight = $(document).height();
1331 var maskWidth = $(window).width();
1333 //Set heigth and width to mask to fill up the whole screen
1334 $('#mask').css({'width':maskWidth,'height':maskHeight});
1337 $('#mask').fadeIn(100);
1338 $('#mask').fadeTo(200,0.8);
1340 //Get the window height and width
1341 var winH = $(window).height();
1342 var winW = $(window).width();
1344 //Set the popup window to center
1345 $('#dialogBox').css('top', winH/2-$('#dialogBox').height()/2);
1346 $('#dialogBox').css('left', winW/2-$('#dialogBox').width()/2);
1349 $('#dialogBox').fadeIn(200);
1351 dialogBox.style.display = "block";
1354 function abortDialog(dialog) {
1356 dialogBox.style.display = "none";
1359 function removeElement(id) {
1360 var element = document.getElementById(id);
1361 element.parentNode.removeChild(element);
1367 function getCursorPos() {
1369 if (window.getSelection) {
1370 var selObj = window.getSelection();
1371 savedRange = selObj.getRangeAt(0);
1372 savedsc = savedRange.startContainer;
1373 savedso = savedRange.startOffset;
1374 //cursorPos = findNode(selObj.anchorNode.parentNode.childNodes, selObj.anchorNode) + selObj.anchorOffset;
1375 cursorPos = findNode(unlocked.childNodes, selObj.anchorNode,0) + selObj.anchorOffset;
1376 /* FIXME the following works wrong in Opera when the document is longer than 32767 chars */
1379 else if (document.selection) {
1380 savedRange = document.selection.createRange();
1381 var bookmark = savedRange.getBookmark();
1382 /* FIXME the following works wrong when the document is longer than 65535 chars */
1383 cursorPos = bookmark.charCodeAt(2) - 11; /* Undocumented function [3] */
1388 function findNode(list, node, acc) {
1389 for (var i = 0; i < list.length; i++) {
1390 if (list[i] == node) {
1391 // debug("success " + i);
1394 if (list[i].hasChildNodes()) {
1396 // debug("recursion on node " + i);
1397 return (findNode(list[i].childNodes,node,acc))
1399 catch (e) { /* debug("recursion failed"); */ }
1401 sandbox = document.getElementById("sandbox");
1402 dup = list[i].cloneNode(true);
1403 sandbox.appendChild(dup);
1404 // debug("fail " + i + ": " + sandbox.innerHTML);
1405 acc += sandbox.innerHTML.html_to_matita().length;
1406 sandbox.removeChild(dup);
1412 debug("cursor test: " + unlocked.innerHTML.substr(0,getCursorPos()));
1415 function get_checked_index(name) {
1416 var radios = document.getElementsByName(name);
1417 for (i = 0; i < radios.length; i++) {
1418 if (radios[i].checked) {
1425 function cancel_disambiguate() {
1426 matita.disambMode = false;
1427 $('#whitemask').hide();
1431 function do_disambiguate() {
1432 var i = get_checked_index("interpr");
1434 var pre = matita.unlockedbackup
1435 .substring(0,matita.ambiguityStart).matita_to_html();
1436 var mid = matita.unlockedbackup
1437 .substring(matita.ambiguityStart,matita.ambiguityStop)
1439 var post = matita.unlockedbackup
1440 .substring(matita.ambiguityStop).matita_to_html();
1442 var href = matita.interpretations[i].href;
1443 var title = matita.interpretations[i].title;
1445 if (is_defined(title)) {
1446 mid = "<A href=\"" + href + "\" title=\"" + title + "\">" + mid + "</A>";
1448 mid = "<A href=\"" + href + "\">" + mid + "</A>";
1451 unlocked.innerHTML = pre + mid + post;
1453 matita.disambMode = false;
1454 $('#whitemask').hide();
1459 function do_showerror() {
1460 var i = get_checked_index("choice");
1462 var pre = matita.unlockedbackup
1463 .substring(0,matita.ambiguityStart).matita_to_html();
1464 var mid = matita.unlockedbackup
1465 .substring(matita.ambiguityStart,matita.ambiguityStop)
1467 var post = matita.unlockedbackup
1468 .substring(matita.ambiguityStop).matita_to_html();
1470 var href = matita.interpretations[i].href;
1471 var title = matita.interpretations[i].title;
1473 if (is_defined(title)) {
1474 mid = "<A href=\"" + href + "\" title=\"" + title + "\">" + mid + "</A>";
1476 mid = "<A href=\"" + href + "\">" + mid + "</A>";
1479 unlocked.innerHTML = pre + mid + post;
1484 function readCookie(name) {
1485 var nameEQ = name + "=";
1486 var ca = document.cookie.split(';');
1487 for(var i=0;i < ca.length;i++) {
1489 while (c.charAt(0)==' ') c = c.substring(1,c.length);
1490 if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
1495 function delete_cookie ( cookie_name )
1497 var cookie_date = new Date(); // current date & time
1498 cookie_date.setTime ( cookie_date.getTime() - 1 );
1499 document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();
1502 function delete_session()
1504 delete_cookie("session");
1507 function disable_toparea() {
1508 var offset = $('#toparea').offset();
1509 $('#whitemask').css('top',offset.top);
1510 $('#whitemask').css('left',offset.left);
1511 $('#whitemask').css('width',$('#toparea').outerWidth() + "px");
1512 $('#whitemask').css('height',$('#toparea').outerHeight() + "px");
1513 $('#whitemask').fadeTo('fast',0.7);