]> matita.cs.unibo.it Git - helm.git/blobdiff - matitaB/matita/matitaweb.js
Matitaweb:
[helm.git] / matitaB / matita / matitaweb.js
index d9bd38aa80e94dac072b197f10cb86b1d0555032..3b37fc76b0abf1537fc06203b5bda68274163b4a 100644 (file)
@@ -17,6 +17,22 @@ var dialogContent;
 var metasenv = "";
 var lockedbackup = "";
 
+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 initialize()
 {
   if (readCookie("session") == null) {
@@ -109,28 +125,25 @@ function suppressdefault(e,flag)
    return !flag;
 }
 
-function restoreSelection(adjust) {
+function restoreSelection(r) {
     unlocked.focus();
-    if (savedRange != null) {
+    if (r != null) {
         if (window.getSelection)//non IE and there is already a selection
         {
             var s = window.getSelection();
             if (s.rangeCount > 0) 
                 s.removeAllRanges();
-           range = document.createRange();
-           range.setStart(savedsc,savedso + adjust);
-           range.collapse(true);
-            s.addRange(range);
+            s.addRange(r);
         }
         else 
             if (document.createRange)//non IE and no selection
             {
-                window.getSelection().addRange(savedRange);
+                window.getSelection().addRange(r);
             }
             else 
                 if (document.selection)//IE
                 {
-                    savedRange.select();
+                    r.select();
                 }
     }
 }
@@ -151,16 +164,24 @@ function keypress(e)
        i = unlocked.innerHTML.lastIndexOf('\\',j);
                if (i >= 0) {
          match = unlocked.innerHTML.substring(i,j);
-         pre = unlocked.innerHTML.substring(0,i);
-         post = unlocked.innerHTML.substring(j);
-         
-         sym = lookup_tex(match);
-         if (typeof sym != "undefined") {
-            len1 = unlocked.innerText.length;
-             unlocked.innerHTML = pre + sym + post;
-            len2 = unlocked.innerText.length;
-             restoreSelection(len2 - len1); 
-            return suppressdefault(e,true);
+         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); 
@@ -173,13 +194,24 @@ function keypress(e)
    }
 }
  
+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;
-        logarea.innerHTML = 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)
@@ -543,10 +575,18 @@ function gotoTop()
                      debug("goto top failed");
                   }
                   else
-                     unlocked.innerHTML = locked.innerHTML + unlocked.innerHTML
-                     locked.innerHTML = ""
-                     hideSequent();
-                     unlocked.scrollIntoView(true);
+                        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;
+                        hideSequent();
+                        unlocked.scrollIntoView(true);
                } else {
                        debug("goto top failed");
                } 
@@ -665,9 +705,10 @@ function retrieveFile(thefile)
        callServer("open",processor,"file=" + escape(thefile)); 
 }
 
-function showLibrary(title,callback)
+function showLibrary(title,callback,reloadDialog)
 { 
-       var req = null; 
+       var req = null;
+        dialogBox.reload = reloadDialog; 
         // pause();
        if (window.XMLHttpRequest)
        {
@@ -696,7 +737,7 @@ function showLibrary(title,callback)
                        if(stat == 200)
                        {
                          debug(req.responseText);
-                         showDialog("<H2>" + title + "</H2>",req.responseText, callback);
+                          showDialog("<H2>" + title + "</H2>",req.responseText, callback);
                        } 
                } 
        };
@@ -739,7 +780,7 @@ function uploadOK()
 function openDialog()
 {  
        callback = function (fname) { retrieveFile(fname); };
-       showLibrary("Open file", callback);
+       showLibrary("Open file", callback, openDialog);
 }
 
 function saveDialog()
@@ -751,7 +792,7 @@ function saveDialog()
                   (unlocked.innerHTML.html_to_matita()).sescape(),
                   false,saveDialog); 
         };
-       showLibrary("Save file as", callback);
+       showLibrary("Save file as", callback, saveDialog);
 }
 
 function newDialog()
@@ -760,7 +801,7 @@ function newDialog()
          dialogBox.style.display = "none";
          saveFile(fname,"","",false,newDialog,true);
        };
-       showLibrary("Create new file", callback);
+       showLibrary("Create new file", callback, newDialog);
 }
 
 
@@ -802,6 +843,30 @@ function saveFile(fname,lockedtxt,unlockedtxt,force,reloadDialog,reloadFile)
        else { debug("no file selected"); }
 }
 
+function createDir() {
+   abortDialog();
+   dirname = prompt("New directory name:\ncic:/matita/","newdir");
+   if (dirname != null) {
+        if (dirname.substr(0,1) != "/")
+          dirname = "/" + dirname;
+       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) {
@@ -816,6 +881,20 @@ function commitAll()
         callServer("commit",processor);
 }
 
+function updateAll()
+{
+       processor = function(xml) {
+               if (is_defined(xml)) {
+                       debug("update succeeded(?)");
+               } else {
+                       debug("update failed!");
+               }
+               resume();
+       };
+        pause();
+        callServer("update",processor);
+}
+
 var goalcell;
 
 function hideSequent() {