--- /dev/null
+var locked;
+var unlocked;
+var workarea;
+var scriptcell;
+var goalcell;
+var goals;
+var goalview;
+var filename;
+var logarea;
+var advanceButton;
+var retractButton;
+var cursorButton;
+var bottomButton;
+var dialogBox;
+var dialogTitle;
+var dialogContent;
+var metasenv = "";
+var lockedbackup = "";
+var matita;
+
+function text_of_html(h)
+{
+ if(document.all) {
+ return h.innerText;
+ } else {
+ return h.textContent;
+ }
+}
+
+function unescape_html(s)
+{
+ u = document.getElementById("unescape");
+ u.innerHTML = s;
+ return text_of_html(u)
+}
+
+function filterByClass (elements,cname){
+ var itemsfound = new Array;
+ for(var i=0;i<elements.length;i++){
+ if(elements[i].className == cname){
+ itemsfound.push(elements[i]);
+ }
+ }
+ return itemsfound;
+}
+
+function initialize()
+{
+ if (readCookie("session") == null) {
+ window.location = "/login.html"
+ } else {
+ body = document.body;
+ titlebar = document.getElementById("titlebar");
+ matitaTitle = document.getElementById("matitaTitle");
+ apparea = document.getElementById("matitaapparea");
+ locked = document.getElementById("locked");
+ unlocked = document.getElementById("unlocked");
+ toparea = document.getElementById("toparea");
+ workarea = document.getElementById("workarea");
+ scriptcell = document.getElementById("scriptcell");
+ sidearea = document.getElementById("sidearea");
+ disambcell = document.getElementById("disambcell");
+ goalcell = document.getElementById("goalcell");
+ goals = document.getElementById("goals");
+ goalview = document.getElementById("goalview");
+ filename = document.getElementById("filename");
+ logarea = document.getElementById("logarea");
+ advanceButton = document.getElementById("advance");
+ retractButton = document.getElementById("retract");
+ cursorButton = document.getElementById("cursor");
+ bottomButton = document.getElementById("bottom");
+ dialogBox = document.getElementById("dialogBox");
+ uploadBox = document.getElementById("uploadBox");
+ dialogTitle = document.getElementById("dialogTitle");
+ dialogContent = document.getElementById("dialogContent");
+
+ matita = new Object();
+ matita.disambMode = matita.proofMode = false;
+
+ // hide sequent view at start
+ initializeLayout();
+ updateSide();
+
+ changeFile("test.ma");
+
+ // initialize keyboard events in the unlocked script
+ init_keyboard(unlocked);
+
+ init_autotraces();
+
+ }
+}
+
+function init_autotraces() {
+ $("#unlocked .autotactic").tooltip({
+ delay: 0,
+ showURL: false,
+ bodyHandler: function() {
+ return (trace_of($(this)[0]));
+ }
+ });
+ $("#locked .autotactic").tooltip({
+ delay: 0,
+ showURL: false,
+ bodyHandler: function() {
+ return (trace_of($(this)[0]));
+ }
+ });
+}
+
+function trace_of(node) {
+ return text_of_html(filterByClass(node.childNodes,"autotrace")[0]);
+}
+
+function changeFile(name) {
+ current_fname = name;
+ matitaTitle.innerHTML = "Matita - cic:/matita/" + name;
+}
+
+function init_keyboard(target)
+{
+ if (target.addEventListener)
+ {
+// target.addEventListener("keydown",keydown,false);
+ target.addEventListener("keypress",keypress,false);
+// target.addEventListener("keyup",keyup,false);
+// target.addEventListener("textInput",textinput,false);
+ }
+ else if (target.attachEvent)
+ {
+// target.attachEvent("onkeydown", keydown);
+ target.attachEvent("onkeypress", keypress);
+// target.attachEvent("onkeyup", keyup);
+// target.attachEvent("ontextInput", textinput);
+ }
+ else
+ {
+// target.onkeydown= keydown;
+ target.onkeypress= keypress;
+// target.onkeyup= keyup;
+// target.ontextinput= textinput; // probably doesn't work
+ }
+
+}
+
+function keyval(n)
+{
+ if (n == null) return 'undefined';
+ var s= '' + n;
+ if (n >= 32 && n < 127) s+= ' (' + String.fromCharCode(n) + ')';
+ while (s.length < 9) s+= ' ';
+ return s;
+}
+
+function string_of_key(n)
+{
+ if (n == null) return 'undefined';
+ return String.fromCharCode(n);
+}
+
+function pressmesg(w,e)
+{
+ debug(w + ' keyCode=' + keyval(e.keyCode) +
+ ' which=' + keyval(e.which) +
+ ' charCode=' + keyval(e.charCode) +
+ '\n shiftKey='+e.shiftKey
+ + ' ctrlKey='+e.ctrlKey
+ + ' altKey='+e.altKey
+ + ' metaKey='+e.metaKey);
+}
+
+function suppressdefault(e,flag)
+{
+ if (flag)
+ {
+ if (e.preventDefault) e.preventDefault();
+ if (e.stopPropagation) e.stopPropagation();
+ }
+ return !flag;
+}
+
+function restoreSelection(r) {
+ unlocked.focus();
+ if (r != null) {
+ if (window.getSelection)//non IE and there is already a selection
+ {
+ var s = window.getSelection();
+ if (s.rangeCount > 0)
+ s.removeAllRanges();
+ s.addRange(r);
+ }
+ else
+ if (document.createRange)//non IE and no selection
+ {
+ window.getSelection().addRange(r);
+ }
+ else
+ if (document.selection)//IE
+ {
+ r.select();
+ }
+ }
+}
+
+function lookup_tex(texmacro)
+{
+ texmacro = texmacro.substring(1);
+ return unescape(macro2utf8[texmacro]);
+}
+
+function strip_tags(tagname,classname)
+{
+ var tags = unlocked.getElementsByTagName(tagname);
+ var tlen = tags.length; // preserving the value from removeChild operations
+ if (is_defined(classname)) {
+ tags = filterByClass(tags,classname);
+ }
+ for (i = 0; i < tlen; i++) {
+ var children = tags[i].childNodes;
+ for (j = 0; j < children.length; j++) {
+ tags[i].parentNode.insertBefore(children[j],tags[i]);
+ }
+ }
+ for (var i = 0; i < tlen; i++) {
+ tags[0].parentNode.removeChild(tags[0]);
+ }
+}
+
+function strip_interpr() {
+ strip_tags("A");
+ alert("strip_interpr ended");
+}
+
+function keypress(e)
+{
+ if (!e) e= event;
+ pressmesg('keypress',e);
+ var s = string_of_key(e.charCode);
+ strip_tags("span","error");
+ if (s == " ") {
+ j = getCursorPos();
+ i = unlocked.innerHTML.html_to_matita().lastIndexOf('\\',j);
+ if (i >= 0) {
+ match = unlocked.innerHTML.html_to_matita().substring(i,j);
+ sym = unescape_html(lookup_tex(match));
+ if (sym != "undefined") {
+ if (window.getSelection) { // non IE
+ savedRange.setStart(savedsc,savedso - (j-i));
+ savedRange.deleteContents();
+ savedRange.insertNode(document.createTextNode(sym));
+ savedsc.parentNode.normalize();
+ if (savedRange.collapsed) { // Mozilla
+ savedRange.setEnd(savedsc,savedRange.endOffset + sym.length);
+ }
+ savedRange.collapse(false);
+ } else {
+ savedRange.moveStart(i-j);
+ savedRange.text(sym);
+ savedRange.collapse(false);
+ }
+ restoreSelection(savedRange);
+ return suppressdefault(e,true);
+ }
+ else {
+ // restoreSelection(0);
+ return suppressdefault(e,false);
+ }
+ }
+ else return suppressdefault(e,false);
+ } else {
+ return suppressdefault(e,false);
+ }
+}
+
+var logtxt = "";
+
+function debug(txt)
+{
+ // internet explorer (v.9) doesn't work with innerHTML
+ // but google chrome's innerText is, in a sense, "write only"
+ // what should we do?
+ // logarea.innerText = txt + "\n" + logarea.innerText;
+ logtxt = /* logtxt + "\n" +*/ txt;
+}
+
+function showLog() {
+ logWin = window.open( "", "Matita Log",
+ "width=600,height=450,status,scrollbars,resizable,screenX=20,screenY=40,left=20,top=40");
+ logWin.document.write('<html><head><title>Matita Log' + '</title></head>');
+ logWin.document.write('<body><textarea style="width:100%;height:100%;">' +
+ logtxt + '</textarea></body></html>');
+ logWin.document.close();
+}
+
+function listhd(l)
+{
+ ar = l.split("#");
+ debug("hd of '" + l + "' = '" + ar[0] + "'");
+ return (ar[0]);
+}
+
+function listtl(l)
+{
+ i = l.indexOf("#");
+ tl = l.substr(i+1);
+ debug("tl of '" + l + "' = '" + tl + "'");
+ return (tl);
+}
+
+function listcons(x,l)
+{
+ debug("cons '" + x + "' on '" + l + "'");
+ return (x + "#" + l);
+}
+
+function listnil()
+{
+ return ("");
+}
+
+function list_append(l1,l2)
+{ return (l1 + l2) }
+
+function is_nil(l)
+{
+ return (l == "");
+}
+
+function fold_left (f,acc,l)
+{
+ if (is_nil(l))
+ { debug("'" + l + "' is fold end");
+ return (acc); }
+ else
+ { debug("'" + l + "' is fold cons");
+ return(fold_left (f,f(acc,(listhd(l))),listtl(l))); }
+}
+
+function listiter (f,l)
+{
+ if (is_nil(l))
+ { debug("'" + l + "' is nil");
+ return;
+ }
+ else
+ {
+ debug("'" + l + "' is not nil");
+ f(listhd(l));
+ listiter(f,listtl(l));
+ }
+}
+
+function listmap (f,l)
+{
+ debug("listmap on " + l);
+ if (is_nil(l))
+ { debug("returning listnil");
+ return(listnil());
+ }
+ else
+ { debug("cons f(hd) map(f,tl)");
+ return(f(listhd(l)) + "#" + listmap(f,listtl(l)));
+ }
+}
+
+var statements = listnil();
+
+var goalarray;
+var metalist = listnil();
+
+function pairmap (f,p)
+{
+ debug("pairmap of '" + p + "'");
+ ar = p.split("|");
+ return (f(ar[0],ar[1]));
+}
+
+function tripletmap (f,p)
+{
+ debug("tripletmap of '" + p + "'");
+ ar = p.split("|");
+ return (f(ar[0],ar[1],ar[2]));
+}
+
+function fst (p)
+{
+ debug("fst");
+ return (pairmap (function (a,b) { return (a); }, p));
+}
+
+function p13 (p)
+{
+ debug("p13");
+ return (tripletmap (function (a,b,c) { return (a); }, p));
+}
+
+function p23 (p)
+{
+ debug("p23");
+ return (tripletmap (function (a,b,c) { return (b); }, p));
+}
+
+function p33 (p)
+{
+ debug("f33");
+ return (tripletmap (function (a,b,c) { return (c); }, p));
+}
+
+function populate_goalarray(menv)
+{
+ debug("metasenv.length = " + menv.length);
+ if (menv.length == 0) {
+ try {
+ hideSequent();
+ } catch (err) { };
+ } else {
+ showSequent();
+ goalarray = new Array();
+ metalist = listnil();
+ var tmp_goallist = "";
+ for (i = 0; i < menv.length; i++) {
+ metano = menv[i].getAttribute("number");
+ metaname = menv[i].childNodes[0].childNodes[0].data;
+ goal = menv[i].childNodes[1].childNodes[0].data;
+ debug ("found meta n. " + metano);
+ debug ("found goal\nBEGIN" + goal + "\nEND");
+ goalarray[metano] = goal;
+ tmp_goallist = " <A href=\"javascript:switch_goal(" + metano + ")\">" + metaname + "</A>" + tmp_goallist;
+ metalist = listcons(metano,metalist);
+ debug ("goalarray[\"" + metano + "\"] = " + goalarray[metano]);
+ }
+ goals.innerHTML = tmp_goallist;
+ debug("new metalist is '" + metalist + "'");
+ if (is_nil(metalist)) {
+ switch_goal();
+ }
+ else {
+ switch_goal(listhd(metalist));
+ }
+ }
+}
+
+function switch_goal(meta)
+{
+ if (typeof meta == "undefined") {
+ goalview.innerHTML = "";
+ }
+ else {
+ debug("switch_goal " + meta + "\n" + goalarray[meta]);
+ goalview.innerHTML = "<B>Goal ?" + meta + ":</B>\n\n" + goalarray[meta];
+ }
+}
+
+// the following is used to avoid escaping unicode, which results in
+// the server being unable to unescape the string
+String.prototype.sescape = function() {
+ var patt1 = /%/gi;
+ var patt2 = /=/gi;
+ var patt3 = /&/gi;
+ var patt4 = /\+/gi;
+ var result = this;
+ result = result.replace(patt1,"%25");
+ result = result.replace(patt2,"%3D");
+ result = result.replace(patt3,"%26");
+ result = result.replace(patt4,"%2B");
+ return (result);
+}
+
+String.prototype.html_to_matita = function()
+{
+ var patt1 = /<br(\/|)>/gi;
+ var patt2 = /</gi
+ var patt3 = />/gi
+ var patt4 = /</gi;
+ var patt5 = />/gi;
+ var patt6 = / /gi;
+ var result = this;
+ result = result.replace(patt1,"\n");
+ result = result.replace(patt2,"\005");
+ result = result.replace(patt3,"\006");
+ result = result.replace(patt4,"<");
+ result = result.replace(patt5,">");
+ result = result.replace(patt6," ");
+ return (unescape(result));
+}
+
+String.prototype.matita_to_html = function()
+{
+ var patt1 = /</gi
+ var patt2 = />/gi
+ var patt3 = /\005/gi;
+ var patt4 = /\006/gi;
+ var result = this;
+ result = result.replace(patt1,"<");
+ result = result.replace(patt2,">");
+ result = result.replace(patt3,"<");
+ result = result.replace(patt4,">");
+ return (unescape(result));
+}
+
+function is_defined(x)
+{
+ return (typeof x != "undefined");
+}
+
+/* servicename: name of the service being called
+ * reqbody: text of the request
+ * processResponse: processes the server response
+ * (takes the response text in input, undefined in case of error)
+ */
+function callServer(servicename,processResponse,reqbody)
+{
+ var req = null;
+ // pause();
+ if (window.XMLHttpRequest)
+ {
+ req = new XMLHttpRequest();
+ }
+ else if (window.ActiveXObject)
+ {
+ try {
+ req = new ActiveXObject("Msxml2.XMLHTTP");
+ } catch (e)
+ {
+ try {
+ req = new ActiveXObject("Microsoft.XMLHTTP");
+ } catch (e) {}
+ }
+ }
+ req.onreadystatechange = function()
+ {
+
+ rs = req.readyState;
+
+ if(rs == 4)
+ {
+ stat = req.status;
+ stxt = req.statusText;
+ if(stat == 200)
+ {
+ debug(req.responseText);
+ if (window.DOMParser) {
+ parser=new DOMParser();
+ xmlDoc=parser.parseFromString(req.responseText,"text/xml");
+ }
+ else // Internet Explorer
+ {
+ xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
+ xmlDoc.async="false";
+ xmlDoc.loadXML(req.responseText);
+ }
+ processResponse(xmlDoc);
+ } else {
+ processResponse();
+ }
+ }
+ };
+ req.open("POST", servicename); // + escape(unlocked.innerHTML), true);
+ req.setRequestHeader("Content-type","application/x-www-form-urlencoded");
+ if (reqbody) {
+ req.send(reqbody);
+ } else {
+ req.send();
+ }
+
+}
+
+function advOneStep(xml) {
+ var parsed = xml.getElementsByTagName("parsed")[0];
+ var ambiguity = xml.getElementsByTagName("ambiguity")[0];
+ var disamberr = xml.getElementsByTagName("disamberror")[0];
+ if (is_defined(parsed)) {
+ // debug("advance: received response\nBEGIN\n" + req.responseText + "\nEND");
+ var len = parseInt(parsed.getAttribute("length"));
+ // len0 = unlocked.innerHTML.length;
+ var unescaped = unlocked.innerHTML.html_to_matita();
+ var parsedtxt = parsed.childNodes[0].wholeText;
+ //parsedtxt = unescaped.substr(0,len);
+ var unparsedtxt = unescaped.substr(len);
+ lockedbackup += parsedtxt;
+ locked.innerHTML = lockedbackup;
+ unlocked.innerHTML = unparsedtxt.matita_to_html();
+ // len1 = unlocked.innerHTML.length;
+ // len2 = len0 - len1;
+ var len2 = parsedtxt.length;
+ metasenv = xml.getElementsByTagName("meta");
+ statements = listcons(len2,statements);
+ unlocked.scrollIntoView(true);
+ return len;
+ }
+ else if (is_defined(ambiguity)) {
+ var start = parseInt(ambiguity.getAttribute("start"));
+ var stop = parseInt(ambiguity.getAttribute("stop"));
+ var choices = xml.getElementsByTagName("choice");
+
+ matita.ambiguityStart = start;
+ matita.ambiguityStop = stop;
+ matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
+ matita.interpretations = [];
+
+ var unlockedtxt = unlocked.innerHTML.html_to_matita();
+ var pre = unlockedtxt.substring(0,start).matita_to_html();
+ var mid = unlockedtxt.substring(start,stop).matita_to_html();
+ var post = unlockedtxt.substring(stop).matita_to_html();
+ unlocked.innerHTML = pre +
+ "<span class=\"error\" title=\"disambiguation error\">" +
+ mid + "</span>" + post;
+
+ var title = "<H3>Ambiguous input</H3>";
+ disambcell.innerHTML = title;
+ for (i = 0;i < choices.length;i++) {
+ matita.interpretations[i] = new Object();
+
+ var href = choices[i].getAttribute("href");
+ var title = choices[i].getAttribute("title");
+ var desc = choices[i].childNodes[0].nodeValue;
+
+ matita.interpretations[i].href = href;
+ matita.interpretations[i].title = title;
+ matita.interpretations[i].desc = desc;
+
+ var choice = document.createElement("input");
+ choice.setAttribute("type","radio");
+ choice.setAttribute("name","interpr");
+ choice.setAttribute("href",href);
+ choice.setAttribute("title",title);
+ if (i == 0) choice.setAttribute("checked","");
+
+ disambcell.appendChild(choice);
+ disambcell.appendChild(document.createTextNode(desc));
+ disambcell.appendChild(document.createElement("br"));
+ }
+
+ var okbutton = document.createElement("input");
+ okbutton.setAttribute("type","button");
+ okbutton.setAttribute("value","OK");
+ okbutton.setAttribute("onclick","do_disambiguate()");
+ var cancelbutton = document.createElement("input");
+ cancelbutton.setAttribute("type","button");
+ cancelbutton.setAttribute("value","Cancel");
+ cancelbutton.setAttribute("onclick","cancel_disambiguate()");
+
+ disambcell.appendChild(okbutton);
+ disambcell.appendChild(cancelbutton);
+
+ matita.disambMode = true;
+ updateSide();
+ throw "Stop";
+ }
+ else if (is_defined(disamberr)) {
+ // must be fixed in a daemon: it makes sense to return a
+ // disambiguation error with no choices
+ if (disamberr.childNodes.length > 0) {
+ set_cps(disamberr.childNodes);
+ matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
+ matita.disambMode = true;
+ next_cp(0);
+ }
+ throw "Stop";
+ }
+ else {
+ var error = xml.getElementsByTagName("error")[0];
+ unlocked.innerHTML = error.childNodes[0].wholeText;
+ // debug(xml.childNodes[0].nodeValue);
+ throw "Stop";
+ }
+
+}
+
+function advanceForm1()
+{
+ processor = function(xml) {
+ try {
+ if (is_defined(xml)) {
+ advOneStep(xml);
+ populate_goalarray(metasenv);
+ init_autotraces();
+ } else {
+ debug("advance failed");
+ }
+ } catch (e) {
+ // nothing to do
+ };
+ resume();
+ };
+ pause();
+ callServer("advance",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
+
+}
+
+// get or set <choicepoint>'s (in case of disamb error)
+function get_cps() {
+ return matita.choicepoints
+}
+
+function set_cps(cps) {
+ matita.choicepoints = cps;
+}
+
+// get radio buttons for <choice>'s in a given cp
+function get_choice_opts(i) {
+ var res = [];
+ var choices = get_cps()[i].childNodes;
+ for (var j = 0;j < choices.length;j++) {
+ var href = choices[j].getAttribute("href");
+ var title = choices[j].getAttribute("title");
+ var desc;
+ if (is_defined(title) && title != null) {
+ desc = title;
+ } else if (is_defined(href) && href != null) {
+ desc = href;
+ } else {
+ desc = null;
+ }
+
+ res[j] = document.createElement("input");
+ res[j].setAttribute("type","radio");
+ res[j].setAttribute("name","choice");
+ res[j].setAttribute("choicepointno",i);
+ res[j].setAttribute("choiceno",j);
+ res[j].setAttribute("href",href);
+ res[j].setAttribute("title",title);
+ if (desc != null) res[j].setAttribute("desc",desc);
+
+ if (j == 0) res[j].setAttribute("checked","");
+ }
+ return res;
+}
+
+// get radio buttons for <failure>'s in a given choice
+function get_failure_opts(i,j) {
+ var res = [];
+ var failures = get_cps()[i].childNodes[j].childNodes;
+ for (var k = 0;k < failures.length;k++) {
+ var start = failures[k].getAttribute("start");
+ var stop = failures[k].getAttribute("stop");
+ var title = failures[k].getAttribute("title");
+
+ res[k] = document.createElement("input");
+ res[k].setAttribute("type","radio");
+ res[k].setAttribute("name","failure");
+ res[k].setAttribute("choicepointno",i);
+ res[k].setAttribute("choiceno",j);
+ res[k].setAttribute("failureno",k);
+ res[k].setAttribute("start",start);
+ res[k].setAttribute("stop",stop);
+ res[k].setAttribute("title",title);
+
+ if (k == 0) res[k].setAttribute("checked","");
+ }
+ return res;
+}
+
+function next_cp(curcp) {
+ var cp = get_cps()[curcp];
+ var start = parseInt(cp.getAttribute("start"));
+ var stop = parseInt(cp.getAttribute("stop"));
+
+ matita.errorStart = start;
+ matita.errorStop = stop;
+ // matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
+
+ var unlockedtxt = matita.unlockedbackup;
+ var pre = unlockedtxt.substring(0,start).matita_to_html();
+ var mid = unlockedtxt.substring(start,stop).matita_to_html();
+ var post = unlockedtxt.substring(stop).matita_to_html();
+ unlocked.innerHTML = pre +
+ "<span class=\"error\" title=\"error location\">" +
+ mid + "</span>" + post;
+
+ var title = "<H3>Error diagnostics</H3>";
+ disambcell.innerHTML = title;
+ var choices = get_choice_opts(curcp);
+ for (var i = 0;i < choices.length;i++) {
+ disambcell.appendChild(choices[i]);
+ var desc = choices[i].getAttribute("desc");
+ if (!is_defined(desc) || desc == null) {
+ desc = "Interpretation " + i;
+ }
+ disambcell.appendChild(document.createTextNode(desc));
+ disambcell.appendChild(document.createElement("br"));
+ }
+
+ // update index of the next choicepoint
+ new_curcp = (curcp + 1) % get_cps().length;
+
+ var okbutton = document.createElement("input");
+ okbutton.setAttribute("type","button");
+ okbutton.setAttribute("value","OK");
+ okbutton.setAttribute("onclick","show_failures()");
+ var cancelbutton = document.createElement("input");
+ cancelbutton.setAttribute("type","button");
+ cancelbutton.setAttribute("value","Close");
+ cancelbutton.setAttribute("onclick","cancel_disambiguate()");
+ var tryagainbutton = document.createElement("input");
+ tryagainbutton.setAttribute("type","button");
+ if (new_curcp > 0) {
+ tryagainbutton.setAttribute("value","Try something else");
+ } else {
+ tryagainbutton.setAttribute("value","Restart");
+ }
+ tryagainbutton.setAttribute("onclick","next_cp(" + new_curcp + ")");
+
+ disambcell.appendChild(okbutton);
+ disambcell.appendChild(tryagainbutton);
+ disambcell.appendChild(cancelbutton);
+
+ //disable_toparea();
+
+ //matita.disambMode = true;
+ updateSide();
+
+}
+
+function show_failures() {
+
+ var choice = document.getElementsByName("choice")[get_checked_index("choice")];
+ var cpno = parseInt(choice.getAttribute("choicepointno"));
+ var choiceno = parseInt(choice.getAttribute("choiceno"));
+ var choicedesc = choice.getAttribute("desc");
+
+ var title = "<H3>Error diagnostics</H3>";
+ var subtitle;
+ if (is_defined(choicedesc) && choicedesc != null) {
+ subtitle = "<p>Errors at node " + cpno + " = " + choicedesc + "</p>";
+ } else {
+ subtitle = "<p>Global errors:</p>";
+ }
+
+ disambcell.innerHTML = title + subtitle;
+ var failures = get_failure_opts(cpno,choiceno);
+ for (var i = 0;i < failures.length;i++) {
+ disambcell.appendChild(failures[i]);
+ disambcell.appendChild(document.createTextNode(failures[i].getAttribute("title")));
+ disambcell.appendChild(document.createElement("br"));
+ }
+
+ var okbutton = document.createElement("input");
+ okbutton.setAttribute("type","button");
+ okbutton.setAttribute("value","Show error loc");
+ okbutton.setAttribute("onclick","show_err()");
+ var cancelbutton = document.createElement("input");
+ cancelbutton.setAttribute("type","button");
+ cancelbutton.setAttribute("value","Close");
+ cancelbutton.setAttribute("onclick","cancel_disambiguate()");
+ var backbutton = document.createElement("input");
+ backbutton.setAttribute("type","button");
+ backbutton.setAttribute("value","<< Back");
+ backbutton.setAttribute("onclick","next_cp(" + cpno + ")");
+
+ disambcell.appendChild(backbutton);
+ disambcell.appendChild(okbutton);
+ disambcell.appendChild(cancelbutton);
+
+}
+
+function show_err() {
+ var radios = document.getElementsByName("failure");
+ for (i = 0; i < radios.length; i++) {
+ if (radios[i].checked) {
+ var start = radios[i].getAttribute("start");
+ var stop = radios[i].getAttribute("stop");
+ var title = radios[i].getAttribute("title");
+ var unlockedtxt = matita.unlockedbackup;
+ var pre = unlockedtxt.substring(0,start).matita_to_html();
+ var mid = unlockedtxt.substring(start,stop).matita_to_html();
+ var post = unlockedtxt.substring(stop).matita_to_html();
+ unlocked.innerHTML = pre +
+ "<span class=\"error\" title=\"Disambiguation failure\">" +
+ mid + "</span>" + post;
+ break;
+ }
+ }
+}
+
+function gotoBottom()
+{
+ processor = function(xml) {
+ if (is_defined(xml)) {
+ // debug("goto bottom: received response\nBEGIN\n" + req.responseText + "\nEND");
+ var parsed = xml.getElementsByTagName("parsed");
+ var localized = xml.getElementsByTagName("localized")[0];
+ var ambiguity = xml.getElementsByTagName("ambiguity")[0];
+ var generic_err = xml.getElementsByTagName("error")[0];
+ var disamberr = xml.getElementsByTagName("disamberror")[0];
+ for (var i = 0;i < parsed.length; i++) {
+ var len = parsed[i].getAttribute("length");
+ // len0 = unlocked.innerHTML.length;
+ var unescaped = unlocked.innerHTML.html_to_matita();
+ // the browser may decide to split textnodes: use wholeText!
+ var parsedtxt = parsed[i].childNodes[0].wholeText;
+ //parsedtxt = unescaped.substr(0,len);
+ var unparsedtxt = unescaped.substr(len);
+ lockedbackup += parsedtxt;
+ locked.innerHTML = lockedbackup; //.matita_to_html();
+ unlocked.innerHTML = unparsedtxt.matita_to_html();
+ // len1 = unlocked.innerHTML.length;
+ var len2 = parsedtxt.length;
+ statements = listcons(len2,statements);
+ }
+ unlocked.scrollIntoView(true);
+ metasenv = xml.getElementsByTagName("meta");
+ init_autotraces();
+ populate_goalarray(metasenv);
+
+ if (is_defined(ambiguity)) {
+ var start = parseInt(ambiguity.getAttribute("start"));
+ var stop = parseInt(ambiguity.getAttribute("stop"));
+ var choices = xml.getElementsByTagName("choice");
+
+ matita.ambiguityStart = start;
+ matita.ambiguityStop = stop;
+ matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
+ matita.interpretations = [];
+
+ var unlockedtxt = unlocked.innerHTML.html_to_matita();
+ var pre = unlockedtxt.substring(0,start).matita_to_html();
+ var mid = unlockedtxt.substring(start,stop).matita_to_html();
+ var post = unlockedtxt.substring(stop).matita_to_html();
+ unlocked.innerHTML = pre +
+ "<span class=\"error\" title=\"disambiguation error\">" +
+ mid + "</span>" + post;
+
+ var title = "<H3>Ambiguous input</H3>";
+ disambcell.innerHTML = title;
+ for (i = 0;i < choices.length;i++) {
+ matita.interpretations[i] = new Object();
+
+ var href = choices[i].getAttribute("href");
+ var title = choices[i].getAttribute("title");
+ var desc = choices[i].childNodes[0].nodeValue;
+
+ matita.interpretations[i].href = href;
+ matita.interpretations[i].title = title;
+ matita.interpretations[i].desc = desc;
+
+ var choice = document.createElement("input");
+ choice.setAttribute("type","radio");
+ choice.setAttribute("name","interpr");
+ choice.setAttribute("href",href);
+ choice.setAttribute("title",title);
+ if (i == 0) choice.setAttribute("checked","");
+
+ disambcell.appendChild(choice);
+ disambcell.appendChild(document.createTextNode(desc));
+ disambcell.appendChild(document.createElement("br"));
+ }
+
+ var okbutton = document.createElement("input");
+ okbutton.setAttribute("type","button");
+ okbutton.setAttribute("value","OK");
+ okbutton.setAttribute("onclick","do_disambiguate()");
+ var cancelbutton = document.createElement("input");
+ cancelbutton.setAttribute("type","button");
+ cancelbutton.setAttribute("value","Cancel");
+ cancelbutton.setAttribute("onclick","cancel_disambiguate()");
+
+ disambcell.appendChild(okbutton);
+ disambcell.appendChild(cancelbutton);
+
+ matita.disambMode = true;
+ updateSide();
+ }
+ else if (is_defined(disamberr)) {
+ // must be fixed in a daemon: it makes sense to return a
+ // disambiguation error with no choices
+ if (disamberr.childNodes.length > 0) {
+ set_cps(disamberr.childNodes);
+ matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
+ matita.disambMode = true;
+ next_cp(0);
+ }
+ throw "Stop";
+ }
+ else if (is_defined(localized)) {
+ unlocked.innerHTML = localized.childNodes[0].wholeText;
+ }
+ else if (is_defined(generic_err)) {
+ debug("Unmanaged error:\n" ^ generic_err.childNodes[0].wholeText);
+ }
+ } else {
+ debug("goto bottom failed");
+ }
+ resume();
+ };
+ pause();
+ callServer("bottom",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
+}
+
+
+function gotoTop()
+{
+ processor = function(xml) {
+ if (is_defined(xml)) {
+ if (xml.childNodes[0].textContent != "ok") {
+ debug("goto top failed");
+ }
+ else
+ statements = listnil();
+ /*
+ lockedlen = locked.innerHTML.length - statementlen;
+ statement = locked.innerHTML.substr(lockedlen, statementlen);
+ locked.innerHTML = locked.innerHTML.substr(0,lockedlen);
+ unlocked.innerHTML = statement + unlocked.innerHTML;
+ */
+ unlocked.innerHTML = lockedbackup + unlocked.innerHTML;
+ lockedbackup = "";
+ locked.innerHTML = lockedbackup;
+ init_autotraces();
+ hideSequent();
+ unlocked.scrollIntoView(true);
+ } else {
+ debug("goto top failed");
+ }
+ resume();
+ };
+ pause();
+ callServer("top",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
+
+}
+
+function gotoPos(offset)
+{
+ if (!is_defined(offset)) {
+ offset = getCursorPos();
+ }
+ processor = function(xml) {
+ if (is_defined(xml)) {
+ try {
+ /*
+ parsed = xml.getElementsByTagName("parsed")[0];
+ len = parseInt(parsed.getAttribute("length"));
+ // len0 = unlocked.innerHTML.length;
+ unescaped = unlocked.innerHTML.html_to_matita();
+ parsedtxt = parsed.childNodes[0].wholeText;
+ //parsedtxt = unescaped.substr(0,len);
+ unparsedtxt = unescaped.substr(len);
+ lockedbackup += parsedtxt;
+ locked.innerHTML = lockedbackup; //.matita_to_html();
+ unlocked.innerHTML = unparsedtxt.matita_to_html();
+ // len1 = unlocked.innerHTML.length;
+ len2 = parsedtxt.length;
+ metasenv = xml.getElementsByTagName("meta");
+ // populate_goalarray(metasenv);
+ statements = listcons(len2,statements);
+ unlocked.scrollIntoView(true);
+ // la populate non andrebbe fatta a ogni passo
+ */
+ var len = advOneStep(xml);
+ if (offset <= len) {
+ init_autotraces();
+ populate_goalarray(metasenv);
+ resume();
+ } else {
+ gotoPos(offset - len);
+ }
+ } catch (er) {
+ init_autotraces();
+ populate_goalarray(metasenv);
+ resume();
+ }
+ } else {
+ init_autotraces();
+ unlocked.scrollIntoView(true);
+ populate_goalarray(metasenv);
+ resume();
+ }
+ }
+ pause();
+ callServer("advance",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
+}
+
+function retract()
+{
+ processor = function(xml) {
+ if (typeof xml != "undefined") {
+ // debug("advance: received response\nBEGIN\n" + req.responseText + "\nEND");
+ statementlen = parseInt(listhd(statements));
+ statements = listtl(statements);
+ /*
+ lockedlen = locked.innerHTML.length - statementlen;
+ statement = locked.innerHTML.substr(lockedlen, statementlen);
+ locked.innerHTML = locked.innerHTML.substr(0,lockedlen);
+ unlocked.innerHTML = statement + unlocked.innerHTML;
+ */
+ lockedlen = lockedbackup.length - statementlen;
+ statement = lockedbackup.substr(lockedlen, statementlen);
+ lockedbackup = lockedbackup.substr(0,lockedlen);
+ locked.innerHTML = lockedbackup;
+ unlocked.innerHTML = statement + unlocked.innerHTML;
+ metasenv = xml.getElementsByTagName("meta");
+ init_autotraces();
+ populate_goalarray(metasenv);
+ unlocked.scrollIntoView(true);
+ } else {
+ debug("retract failed");
+ }
+ resume();
+ };
+ pause();
+ callServer("retract",processor);
+}
+
+function openFile()
+{
+ processor = function(xml)
+ {
+ if (is_defined(xml)) {
+ lockedbackup = "";
+ locked.innerHTML = lockedbackup;
+ unlocked.innerHTML = xml.documentElement.wholeText;
+ } else {
+ debug("file open failed");
+ }
+ };
+ callServer("open",processor,"file=" + escape(filename.value));
+}
+
+function retrieveFile(thefile)
+{
+ processor = function(xml)
+ {
+ if (is_defined(xml)) {
+ changeFile(thefile);
+ matita.disambMode = false;
+ matita.proofMode = false;
+ updateSide();
+ lockedbackup = ""
+ locked.innerHTML = lockedbackup;
+ // code originally used in google chrome (problems with mozilla)
+ // debug(xml.getElementsByTagName("file")[0].childNodes[0].nodeValue);
+ // unlocked.innerHTML = xml.getElementsByTagName("file")[0].childNodes[0].nodeValue;
+ debug(xml.childNodes[0].textContent);
+ if (document.all) { // IE
+ unlocked.innerHTML = xml.childNodes[0].text;
+ } else {
+ unlocked.innerHTML = xml.childNodes[0].textContent;
+ }
+ init_autotraces();
+
+ } else {
+ debug("file open failed");
+ }
+ };
+ abortDialog("dialogBox");
+ callServer("open",processor,"file=" + escape(thefile));
+}
+
+function showLibrary(title,callback,reloadDialog)
+{
+ var req = null;
+ dialogBox.reload = reloadDialog;
+ // pause();
+ if (window.XMLHttpRequest)
+ {
+ req = new XMLHttpRequest();
+ }
+ else if (window.ActiveXObject)
+ {
+ try {
+ req = new ActiveXObject("Msxml2.XMLHTTP");
+ } catch (e)
+ {
+ try {
+ req = new ActiveXObject("Microsoft.XMLHTTP");
+ } catch (e) {}
+ }
+ }
+ req.onreadystatechange = function()
+ {
+
+ rs = req.readyState;
+
+ if(rs == 4)
+ {
+ stat = req.status;
+ stxt = req.statusText;
+ if(stat == 200)
+ {
+ debug(req.responseText);
+ showDialog("<H2>" + title + "</H2>",req.responseText, callback);
+ }
+ }
+ };
+ req.open("POST", "viewlib"); // + escape(unlocked.innerHTML), true);
+ req.setRequestHeader("Content-type","application/x-www-form-urlencoded");
+ req.send();
+
+}
+
+function uploadDialog()
+{
+ uploadBox.style.display = "block";
+}
+
+function uploadOK()
+{
+ var file = document.getElementById("uploadFilename").files[0];
+// if (file) {
+// var filecontent = file.getAsText("UTF-8");
+// locked.innerHTML = lockedbackup;
+// unlocked.innerHTML = filecontent;
+// uploadBox.style.display = "none";
+// }
+ if (file) {
+ var reader = new FileReader();
+ reader.onerror = function (evt) {
+ debug("file open failed");
+ }
+ reader.onload = function (evt) {
+ lockedbackup = "";
+ locked.innerHTML = lockedbackup
+ unlocked.innerHTML = "";
+ unlocked.appendChild(document.createTextNode(evt.target.result));
+ uploadBox.style.display = "none";
+ }
+ try { reader.readAsText(file, "UTF-8"); }
+ catch (err) { /* nothing to do */ };
+ uploadBox.style.display = "none";
+ }
+}
+
+function openDialog()
+{
+ callback = function (fname) { retrieveFile(fname); };
+ showLibrary("Open file", callback, openDialog);
+}
+
+function saveDialog()
+{
+ callback = function (fname) {
+ abortDialog("dialogBox");
+ saveFile(fname,
+ (locked.innerHTML.html_to_matita()).sescape(),
+ (unlocked.innerHTML.html_to_matita()).sescape(),
+ false,saveDialog);
+ };
+ showLibrary("Save file as", callback, saveDialog);
+}
+
+function newDialog()
+{
+ callback = function (fname) {
+ abortDialog("dialogBox");
+ saveFile(fname,"","",false,newDialog,true);
+ };
+ showLibrary("Create new file", callback, newDialog);
+}
+
+
+function saveFile(fname,lockedtxt,unlockedtxt,force,reloadDialog,reloadFile)
+{
+ if (!is_defined(reloadFile)) { reloadFile = true };
+ if (!is_defined(fname)) {
+ fname = current_fname;
+ lockedtxt = (locked.innerHTML.html_to_matita()).sescape();
+ unlockedtxt = (unlocked.innerHTML.html_to_matita()).sescape();
+ force = true;
+ // when force is true, reloadDialog is not needed
+ }
+ processor = function(xml) {
+ if (is_defined(xml)) {
+ if (xml.childNodes[0].textContent != "ok") {
+ if (confirm("File already exists. All existing data will be lost.\nDo you want to proceed anyway?")) {
+ saveFile(fname,lockedtxt,unlockedtxt,true,reloadDialog,reloadFile);
+ } else {
+ reloadDialog();
+ }
+ } else {
+ changeFile(fname);
+ debug("file saved!");
+ if (reloadFile) { retrieveFile(fname); }
+ }
+ } else {
+ debug("save file failed");
+ }
+ resume();
+ };
+ if (is_defined(fname)) {
+ pause();
+ callServer("save",processor,"file=" + escape(fname) +
+ "&locked=" + lockedtxt +
+ "&unlocked=" + unlockedtxt +
+ "&force=" + force);
+ }
+ else { debug("no file selected"); }
+}
+
+function createDir() {
+ abortDialog("dialogBox");
+ dirname = prompt("New directory name:\ncic:/matita/","newdir");
+ if (dirname != null) {
+ processor = function(xml) {
+ if (is_defined(xml)) {
+ if (xml.childNodes[0].textContent != "ok") {
+ alert("An error occurred :-(");
+ }
+ } else {
+ alert("An error occurred :-(");
+ }
+ dialogBox.reload();
+ };
+ pause();
+ callServer("save",processor,"file=" + escape(dirname) +
+ "&locked=&unlocked=&force=false&dir=true");
+ } else {
+ dialogBox.reload();
+ }
+}
+
+function commitAll()
+{
+ processor = function(xml) {
+ if (is_defined(xml)) {
+ debug(xml.getElementsByTagName("details")[0].textContent);
+ alert("Commit executed: see details in the log.\n\n" +
+ "NOTICE: this message does NOT imply (yet) that the commit was successful.");
+ } else {
+ alert("Commit failed!");
+ }
+ resume();
+ };
+ pause();
+ callServer("commit",processor);
+}
+
+function updateAll()
+{
+ processor = function(xml) {
+ if (is_defined(xml)) {
+ alert("Update executed.\n\n" +
+ "Details:\n" +
+ xml.getElementsByTagName("details")[0].textContent);
+ } else {
+ alert("Update failed!");
+ }
+ resume();
+ };
+ pause();
+ callServer("update",processor);
+}
+
+var goalcell;
+
+function hideSequent() {
+ matita.proofMode = false;
+ updateSide();
+}
+
+function showSequent() {
+ matita.proofMode = true;
+ updateSide();
+}
+
+function showDialog(title,content,callback) {
+ dialogTitle.innerHTML = title;
+ dialogContent.innerHTML = content;
+ dialogBox.callback = callback;
+
+ //Get the screen height and width
+ var maskHeight = $(document).height();
+ var maskWidth = $(window).width();
+
+ //Set heigth and width to mask to fill up the whole screen
+ $('#mask').css({'width':maskWidth,'height':maskHeight});
+
+ //transition effect
+ $('#mask').fadeIn(100);
+ $('#mask').fadeTo(200,0.8);
+
+ //Get the window height and width
+ var winH = $(window).height();
+ var winW = $(window).width();
+
+ //Set the popup window to center
+ $('#dialogBox').css('top', winH/2-$('#dialogBox').height()/2);
+ $('#dialogBox').css('left', winW/2-$('#dialogBox').width()/2);
+
+ //transition effect
+ $('#dialogBox').fadeIn(200);
+
+ dialogBox.style.display = "block";
+}
+
+function abortDialog(dialog) {
+ document.getElementById(dialog).style.display = "none";
+ $('#mask').hide();
+}
+
+function removeElement(id) {
+ var element = document.getElementById(id);
+ element.parentNode.removeChild(element);
+}
+
+var savedsc;
+var savedso;
+
+function getCursorPos() {
+ var cursorPos;
+ if (window.getSelection) {
+ var selObj = window.getSelection();
+ savedRange = selObj.getRangeAt(0);
+ savedsc = savedRange.startContainer;
+ savedso = savedRange.startOffset;
+ //cursorPos = findNode(selObj.anchorNode.parentNode.childNodes, selObj.anchorNode) + selObj.anchorOffset;
+ cursorPos = findNode(unlocked.childNodes, selObj.anchorNode,0) + selObj.anchorOffset;
+ /* FIXME the following works wrong in Opera when the document is longer than 32767 chars */
+ return(cursorPos);
+ }
+ else if (document.selection) {
+ savedRange = document.selection.createRange();
+ var bookmark = savedRange.getBookmark();
+ /* FIXME the following works wrong when the document is longer than 65535 chars */
+ cursorPos = bookmark.charCodeAt(2) - 11; /* Undocumented function [3] */
+ return(cursorPos);
+ }
+}
+
+function findNode(list, node, acc) {
+ for (var i = 0; i < list.length; i++) {
+ if (list[i] == node) {
+ // debug("success " + i);
+ return acc;
+ }
+ if (list[i].hasChildNodes()) {
+ try {
+ // debug("recursion on node " + i);
+ return (findNode(list[i].childNodes,node,acc))
+ }
+ catch (e) { /* debug("recursion failed"); */ }
+ }
+ sandbox = document.getElementById("sandbox");
+ dup = list[i].cloneNode(true);
+ sandbox.appendChild(dup);
+// debug("fail " + i + ": " + sandbox.innerHTML);
+ acc += sandbox.innerHTML.html_to_matita().length;
+ sandbox.removeChild(dup);
+ }
+ throw "not found";
+}
+
+function test () {
+ debug("cursor test: " + unlocked.innerHTML.substr(0,getCursorPos()));
+}
+
+function get_checked_index(name) {
+ var radios = document.getElementsByName(name);
+ for (i = 0; i < radios.length; i++) {
+ if (radios[i].checked) {
+ return i;
+ }
+ }
+ return null;
+}
+
+function cancel_disambiguate() {
+ matita.disambMode = false;
+ resume();
+ // enable_toparea();
+ // enable_editing();
+ strip_tags("span","error");
+ updateSide();
+}
+
+function do_disambiguate() {
+ var i = get_checked_index("interpr");
+ if (i != null) {
+ var pre = matita.unlockedbackup
+ .substring(0,matita.ambiguityStart).matita_to_html();
+ var mid = matita.unlockedbackup
+ .substring(matita.ambiguityStart,matita.ambiguityStop)
+ .matita_to_html();
+ var post = matita.unlockedbackup
+ .substring(matita.ambiguityStop).matita_to_html();
+
+ var href = matita.interpretations[i].href;
+ var title = matita.interpretations[i].title;
+
+ if (is_defined(title)) {
+ mid = "<A href=\"" + href + "\" title=\"" + title + "\">" + mid + "</A>";
+ } else {
+ mid = "<A href=\"" + href + "\">" + mid + "</A>";
+ }
+
+ unlocked.innerHTML = pre + mid + post;
+
+ matita.disambMode = false;
+ enable_toparea();
+ enable_editing();
+ updateSide();
+ }
+}
+
+function do_showerror() {
+ var i = get_checked_index("choice");
+ if (i != null) {
+ var pre = matita.unlockedbackup
+ .substring(0,matita.ambiguityStart).matita_to_html();
+ var mid = matita.unlockedbackup
+ .substring(matita.ambiguityStart,matita.ambiguityStop)
+ .matita_to_html();
+ var post = matita.unlockedbackup
+ .substring(matita.ambiguityStop).matita_to_html();
+
+ var href = matita.interpretations[i].href;
+ var title = matita.interpretations[i].title;
+
+ if (is_defined(title)) {
+ mid = "<A href=\"" + href + "\" title=\"" + title + "\">" + mid + "</A>";
+ } else {
+ mid = "<A href=\"" + href + "\">" + mid + "</A>";
+ }
+
+ unlocked.innerHTML = pre + mid + post;
+
+ }
+}
+
+function readCookie(name) {
+ var nameEQ = name + "=";
+ var ca = document.cookie.split(';');
+ for(var i=0;i < ca.length;i++) {
+ var c = ca[i];
+ while (c.charAt(0)==' ') c = c.substring(1,c.length);
+ if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
+ }
+ return null;
+}
+
+function delete_cookie ( cookie_name )
+{
+ var cookie_date = new Date(); // current date & time
+ cookie_date.setTime ( cookie_date.getTime() - 1 );
+ document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();
+}
+
+function delete_session()
+{
+ delete_cookie("session");
+}
+
+function disable_toparea() {
+ var offset = $('#toparea').offset();
+ $('#whitemask').css('top',offset.top);
+ $('#whitemask').css('left',offset.left);
+ $('#whitemask').css('width',$('#toparea').outerWidth() + "px");
+ $('#whitemask').css('height',$('#toparea').outerHeight() + "px");
+ $('#whitemask').fadeTo('fast',0.7);
+}
+
+function enable_toparea() {
+ $('#whitemask').hide();
+}
+
+function disable_editing() {
+ unlocked.contentEditable = false;
+}
+
+function enable_editing() {
+ unlocked.contentEditable = true;
+}
+
+function pause()
+{
+ // advanceButton.disabled = true;
+ // retractButton.disabled = true;
+ // cursorButton.disabled = true;
+ // bottomButton.disabled = true;
+ disable_toparea();
+ disable_editing();
+}
+
+function resume()
+{
+ // advanceButton.disabled = false;
+ // retractButton.disabled = false;
+ // cursorButton.disabled = false;
+ // bottomButton.disabled = false;
+ if (!matita.disambMode) {
+ enable_toparea();
+ enable_editing();
+ }
+}
+
projects / helm.git / blobdiff