]> matita.cs.unibo.it Git - helm.git/blobdiff - matitaB/matita/matitaweb.js
Matitaweb:
[helm.git] / matitaB / matita / matitaweb.js
index 343d539e66deda5c23cc8a963430f0f693bb72c5..068b30d708cfb0efb319a900887a10a009f66834 100644 (file)
@@ -220,7 +220,7 @@ function strip_tags(tagname,classname)
             tags[i].parentNode.insertBefore(children[j],tags[i]);
        }
     }
-    while (tags.length > 0) {
+    for (var i = 0;tags.length > i;i++) {
       tags[0].parentNode.removeChild(tags[0]);
     }
 }
@@ -497,22 +497,6 @@ String.prototype.matita_to_html = function()
        return (unescape(result));
 }
 
-function pause()
-{
-       advanceButton.disabled = true;
-        retractButton.disabled = true;
-        cursorButton.disabled = true;
-        bottomButton.disabled = true;
-}
-
-function resume()
-{
-       advanceButton.disabled = false;
-        retractButton.disabled = false;
-        cursorButton.disabled = false;
-        bottomButton.disabled = false;
-}
-
 function is_defined(x)
 {
        return (typeof x != "undefined");
@@ -580,109 +564,123 @@ function callServer(servicename,processResponse,reqbody)
   
 }
 
-function advanceForm1()
-{
-       processor = function(xml) {
-               if (is_defined(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;
-                           var metasenv = xml.getElementsByTagName("meta");
-                           populate_goalarray(metasenv);
-                           init_autotraces();
-                           statements = listcons(len2,statements);
-                           unlocked.scrollIntoView(true);
-                       }
-                       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();
+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 href = choices[i].getAttribute("href");
-                               var title = choices[i].getAttribute("title");
-                               var desc = choices[i].childNodes[0].nodeValue;
+           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()");
 
-                               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"));
-                           }
+           disambcell.appendChild(okbutton);
+           disambcell.appendChild(cancelbutton);
 
-                           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";
+       }
 
-                           disable_toparea();
+}
 
-                           matita.disambMode = true;
-                           updateSide();
-                       }
-                       else if (is_defined(disamberr)) {
-                            set_cps(disamberr.childNodes);
-                            matita.unlockedbackup = unlocked.innerHTML.html_to_matita();
-                            matita.disambMode = true;
-                            disable_toparea();
-                            next_cp(0);
-                       }
-                       else {
-                            var error = xml.getElementsByTagName("error")[0]; 
-                           unlocked.innerHTML = error.childNodes[0].wholeText;
-                           // debug(xml.childNodes[0].nodeValue);
-                       }
+function advanceForm1()
+{
+       processor = function(xml) {
+           try {
+               if (is_defined(xml)) {
+                   advOneStep(xml);
+                    populate_goalarray(metasenv);
+                   init_autotraces();
                } else {
                        debug("advance failed");
                }
-               resume();
+           } catch (e) { 
+                   // nothing to do 
+           };
+            resume();
        };
        pause();
         callServer("advance",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
@@ -706,10 +704,12 @@ function get_choice_opts(i) {
       var href = choices[j].getAttribute("href");
       var title = choices[j].getAttribute("title");
       var desc;
-      if (is_defined(title)) {
+      if (is_defined(title) && title != null) {
           desc = title;
-      } else {
+      } else if (is_defined(href) && href != null) {
           desc = href;
+      } else {
+          desc = null;
       }
   
       res[j] = document.createElement("input");
@@ -719,7 +719,7 @@ function get_choice_opts(i) {
       res[j].setAttribute("choiceno",j);
       res[j].setAttribute("href",href);
       res[j].setAttribute("title",title);
-      res[j].setAttribute("desc",desc);
+      if (desc != null) res[j].setAttribute("desc",desc);
       
       if (j == 0) res[j].setAttribute("checked","");
   }
@@ -764,15 +764,19 @@ function next_cp(curcp) {
        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 failed\">" +
+               "<span class=\"error\" title=\"error location\">" +
                mid + "</span>" + post;
 
-       var title = "<H3>Disambiguation failed</H3>";
+       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]);
-           disambcell.appendChild(document.createTextNode(choices[i].getAttribute("desc")));
+           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"));
        }
        
@@ -814,8 +818,13 @@ function show_failures() {
        var choiceno = parseInt(choice.getAttribute("choiceno"));
        var choicedesc = choice.getAttribute("desc");
 
-       var title = "<H3>Disambiguation failed</H3>";
-       var subtitle = "<p>Errors at node " + choiceno + " = " + choicedesc + "</p>";
+       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);
@@ -872,6 +881,7 @@ function gotoBottom()
                        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;
@@ -947,16 +957,25 @@ function gotoBottom()
                            disambcell.appendChild(okbutton);
                            disambcell.appendChild(cancelbutton);
 
-                           disable_toparea();
-
                            matita.disambMode = true;
                            updateSide();
                        }
-                       if (is_defined(localized)) {
-                           unlocked.innerHTML = localized.wholeText;
+                       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;
                        }
-                       if (is_defined(generic_err)) {
-                           debug("Unmanaged error:\n" ^ generic_err.wholeText);
+                       else if (is_defined(generic_err)) {
+                           debug("Unmanaged error:\n" ^ generic_err.childNodes[0].wholeText);
                        }
                } else {
                        debug("goto bottom failed");
@@ -998,6 +1017,7 @@ function gotoTop()
        callServer("top",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
   
 }
+
 function gotoPos(offset)
 {
         if (!is_defined(offset)) {
@@ -1005,6 +1025,8 @@ function gotoPos(offset)
         }
        processor = function(xml) {
                if (is_defined(xml)) {
+                   try {
+                       /*
                        parsed = xml.getElementsByTagName("parsed")[0];
                        len = parseInt(parsed.getAttribute("length"));
                        // len0 = unlocked.innerHTML.length;
@@ -1022,6 +1044,8 @@ function gotoPos(offset)
                        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);
@@ -1029,6 +1053,11 @@ function gotoPos(offset)
                        } else {
                                gotoPos(offset - len);
                        }
+                   } catch (er) {
+                       init_autotraces();
+                       populate_goalarray(metasenv);
+                       resume();
+                   }
                } else {
                        init_autotraces();
                        unlocked.scrollIntoView(true);
@@ -1067,10 +1096,8 @@ function retract()
                }
                resume();
        };
-       debug("retract 1");
        pause();
         callServer("retract",processor);
-       debug("retract 2");
 }
 
 function openFile()
@@ -1094,6 +1121,9 @@ function retrieveFile(thefile)
        {
                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)
@@ -1111,7 +1141,7 @@ function retrieveFile(thefile)
                        debug("file open failed");
                }
        };
-       abortDialog();
+       abortDialog("dialogBox");
        callServer("open",processor,"file=" + escape(thefile)); 
 }
 
@@ -1165,26 +1195,28 @@ function uploadDialog()
 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.readAsText(file, "UTF-8");
-//       reader.onloadend = function (evt) {
-//        lockedbackup = "";
-//           locked.innerHTML = lockedbackup
-//           unlocked.innerHTML = evt.target.result;
-//           uploadBox.style.display = "none";
-//       }
-//       reader.onerror = function (evt) {
-//        debug("file open failed");
-//           uploadBox.style.display = "none";
-//      }
+//       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()
@@ -1196,7 +1228,7 @@ function openDialog()
 function saveDialog()
 {  
        callback = function (fname) { 
-         abortDialog();
+         abortDialog("dialogBox");
           saveFile(fname,
                   (locked.innerHTML.html_to_matita()).sescape(),
                   (unlocked.innerHTML.html_to_matita()).sescape(),
@@ -1208,7 +1240,7 @@ function saveDialog()
 function newDialog()
 {
        callback = function (fname) { 
-         abortDialog();
+         abortDialog("dialogBox");
          saveFile(fname,"","",false,newDialog,true);
        };
        showLibrary("Create new file", callback, newDialog);
@@ -1254,7 +1286,7 @@ function saveFile(fname,lockedtxt,unlockedtxt,force,reloadDialog,reloadFile)
 }
 
 function createDir() {
-   abortDialog();
+   abortDialog("dialogBox");
    dirname = prompt("New directory name:\ncic:/matita/","newdir");
    if (dirname != null) {
        processor = function(xml) {
@@ -1283,7 +1315,7 @@ function commitAll()
                        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!");
+                       alert("Commit failed!\n(maybe you don't have permissionis to commit?)");
                }
                resume();
        };
@@ -1299,7 +1331,7 @@ function updateAll()
                               "Details:\n" +
                               xml.getElementsByTagName("details")[0].textContent);
                } else {
-                       alert("Update failed!");
+                       alert("Update failed!\n(maybe you don't have permissions to update?)");
                }
                resume();
        };
@@ -1350,8 +1382,8 @@ function showDialog(title,content,callback) {
 }
 
 function abortDialog(dialog) {
+  document.getElementById(dialog).style.display = "none";
   $('#mask').hide();
-  dialogBox.style.display = "none";
 }
 
 function removeElement(id) {
@@ -1422,7 +1454,10 @@ function get_checked_index(name) {
 
 function cancel_disambiguate() {
        matita.disambMode = false;
-       $('#whitemask').hide();
+        resume();
+       // enable_toparea();
+       // enable_editing();
+        strip_tags("span","error");
        updateSide();
 }
 
@@ -1449,7 +1484,8 @@ function do_disambiguate() {
            unlocked.innerHTML = pre + mid + post;
 
            matita.disambMode = false;
-           $('#whitemask').hide();
+           enable_toparea();
+           enable_editing();
            updateSide();
        }
 }
@@ -1510,3 +1546,38 @@ function disable_toparea() {
         $('#whitemask').css('height',$('#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();
+        }
+}
+