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) {
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();
}
}
}
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);
}
}
+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)
}
+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;
+ 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)) {
processor = function(xml)
{
if (is_defined(xml)) {
+ current_fname = thefile;
lockedbackup = ""
locked.innerHTML = lockedbackup;
// code originally used in google chrome (problems with mozilla)
}
};
dialogBox.style.display = "none";
- current_fname = thefile;
callServer("open",processor,"file=" + escape(thefile));
}
-function showLibrary()
+function showLibrary(title,callback,reloadDialog)
{
- var req = null;
+ var req = null;
+ dialogBox.reload = reloadDialog;
// pause();
if (window.XMLHttpRequest)
{
if(stat == 200)
{
debug(req.responseText);
- showDialog("<H2>Library</H2>",req.responseText);
+ showDialog("<H2>" + title + "</H2>",req.responseText, callback);
}
}
};
}
-function saveFile()
+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.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";
+// }
+// }
+}
+
+function openDialog()
+{
+ callback = function (fname) { retrieveFile(fname); };
+ showLibrary("Open file", callback, openDialog);
+}
+
+function saveDialog()
+{
+ callback = function (fname) {
+ dialogBox.style.display = "none";
+ 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) {
+ dialogBox.style.display = "none";
+ 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) {
+ current_fname = fname;
if (is_defined(xml)) {
- debug("file saved!");
+ 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 {
+ current_fname = fname;
+ debug("file saved!");
+ if (reloadFile) { retrieveFile(fname); }
+ }
} else {
debug("save file failed");
}
resume();
};
- if (is_defined(current_fname)) {
+ if (is_defined(fname)) {
pause();
- callServer("save",processor,"file=" + escape(current_fname) +
- "&locked=" + (locked.innerHTML.html_to_matita()).sescape() +
- "&unlocked=" + (unlocked.innerHTML.html_to_matita()).sescape());
+ callServer("save",processor,"file=" + escape(fname) +
+ "&locked=" + lockedtxt +
+ "&unlocked=" + unlockedtxt +
+ "&force=" + force);
}
else { debug("no file selected"); }
}
+function createDir() {
+ abortDialog();
+ 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) {
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() {
- goalcell.parentNode.removeChild(goalcell);
- scriptcell.setAttribute("colspan","2");
+ goalcell.style.display = "none";
+ scriptcell.style.width = "100%";
+ scriptcell.style.minWidth = "100%";
+ scriptcell.style.maxWidth = "100%";
}
function showSequent() {
- scriptcell.setAttribute("colspan","1");
- workarea.appendChild(goalcell);
+ scriptcell.style.width = "67%";
+ scriptcell.style.minWidth = "67%";
+ scriptcell.style.maxWidth = "67%";
+ goalcell.style.display = "inline-block";
}
-function showDialog(title,content) {
+function showDialog(title,content,callback) {
dialogTitle.innerHTML = title;
dialogContent.innerHTML = content;
+ dialogBox.callback = callback;
dialogBox.style.display = "block";
}
+function abortDialog() {
+ dialogBox.style.display = "none";
+}
+
+function abortUpload() {
+ uploadBox.style.display = "none";
+}
+
function removeElement(id) {
var element = document.getElementById(id);
element.parentNode.removeChild(element);