X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matitaB%2Fmatita%2Fmatitaweb.js;h=fb6c0869da5b9c6afac25648187987195215b07c;hb=d8bc6fd4ab18f2995624c75e2889318237e9c17f;hp=a5bf84adcd4610afdd532a35767654ec81434671;hpb=1bc3859b556a1fa1ddfc83f51f93c17eba40eac7;p=helm.git
diff --git a/matitaB/matita/matitaweb.js b/matitaB/matita/matitaweb.js
index a5bf84adc..fb6c0869d 100644
--- a/matitaB/matita/matitaweb.js
+++ b/matitaB/matita/matitaweb.js
@@ -40,12 +40,143 @@ function initialize()
// hide sequent view at start
hideSequent();
+
+ // initialize keyboard events in the unlocked script
+ init_keyboard(unlocked);
}
}
+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(adjust) {
+ unlocked.focus();
+ if (savedRange != 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);
+ }
+ else
+ if (document.createRange)//non IE and no selection
+ {
+ window.getSelection().addRange(savedRange);
+ }
+ else
+ if (document.selection)//IE
+ {
+ savedRange.select();
+ }
+ }
+}
+
+function lookup_tex(texmacro)
+{
+ texmacro = texmacro.substring(1);
+ return unescape(macro2utf8[texmacro]);
+}
+
+function keypress(e)
+{
+ if (!e) e= event;
+ pressmesg('keypress',e);
+ var s = string_of_key(e.charCode);
+ if (s == " ") {
+ j = getCursorPos();
+ 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);
+ }
+ else {
+ // restoreSelection(0);
+ return suppressdefault(e,false);
+ }
+ }
+ else return suppressdefault(e,false);
+ } else {
+ return suppressdefault(e,false);
+ }
+}
+
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;
}
@@ -218,15 +349,33 @@ String.prototype.sescape = function() {
return (result);
}
-String.prototype.unescapeHTML = function()
+String.prototype.html_to_matita = function()
{
var patt1 = /
/gi;
- var patt2 = /</gi;
- var patt3 = />/gi;
+ var patt2 = //gi
+ var patt4 = /</gi;
+ var patt5 = />/gi;
var result = this;
result = result.replace(patt1,"\n");
- result = result.replace(patt2,"<");
- result = result.replace(patt3,">");
+ result = result.replace(patt2,"\005");
+ result = result.replace(patt3,"\006");
+ result = result.replace(patt4,"<");
+ result = result.replace(patt5,">");
+ return (unescape(result));
+}
+
+String.prototype.matita_to_html = function()
+{
+ var patt1 = //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));
}
@@ -318,13 +467,15 @@ function advanceForm1()
processor = function(xml) {
if (is_defined(xml)) {
// debug("advance: received response\nBEGIN\n" + req.responseText + "\nEND");
- len = parseInt(xml.getElementsByTagName("parsed")[0].getAttribute("length"));
+ parsed = xml.getElementsByTagName("parsed")[0];
+ len = parseInt(parsed.getAttribute("length"));
len0 = unlocked.innerHTML.length;
- unescaped = unlocked.innerHTML.unescapeHTML();
- parsedtxt = unescaped.substr(0,len);
+ unescaped = unlocked.innerHTML.html_to_matita();
+ parsedtxt = parsed.childNodes[0].nodeValue;
+ //parsedtxt = unescaped.substr(0,len);
unparsedtxt = unescaped.substr(len);
- locked.innerHTML = locked.innerHTML + parsedtxt;
- unlocked.innerHTML = unparsedtxt;
+ locked.innerHTML = locked.innerHTML + parsedtxt; //.matita_to_html();
+ unlocked.innerHTML = unparsedtxt.matita_to_html();
len1 = unlocked.innerHTML.length;
len2 = len0 - len1;
metasenv = xml.getElementsByTagName("meta");
@@ -337,7 +488,7 @@ function advanceForm1()
resume();
};
pause();
- callServer("advance",processor,"body=" + (unlocked.innerHTML.unescapeHTML()).sescape());
+ callServer("advance",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
}
@@ -346,13 +497,15 @@ function gotoBottom()
processor = function(xml) {
if (is_defined(xml)) {
// debug("goto bottom: received response\nBEGIN\n" + req.responseText + "\nEND");
- len = parseInt(xml.getElementsByTagName("parsed")[0].getAttribute("length"));
+ parsed = xml.getElementsByTagName("parsed")[0];
+ len = parseInt(parsed.getAttribute("length"));
len0 = unlocked.innerHTML.length;
- unescaped = unlocked.innerHTML.unescapeHTML();
- parsedtxt = unescaped.substr(0,len);
+ unescaped = unlocked.innerHTML.html_to_matita();
+ parsedtxt = parsed.childNodes[0].nodeValue;
+ //parsedtxt = unescaped.substr(0,len);
unparsedtxt = unescaped.substr(len);
- locked.innerHTML = locked.innerHTML + parsedtxt;
- unlocked.innerHTML = unparsedtxt;
+ locked.innerHTML = locked.innerHTML + parsedtxt; //.matita_to_html();
+ unlocked.innerHTML = unparsedtxt.matita_to_html();
len1 = unlocked.innerHTML.length;
len2 = len0 - len1;
metasenv = xml.getElementsByTagName("meta");
@@ -365,7 +518,7 @@ function gotoBottom()
resume();
};
pause();
- callServer("bottom",processor,"body=" + (unlocked.innerHTML.unescapeHTML()).sescape());
+ callServer("bottom",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
}
@@ -377,14 +530,15 @@ function gotoPos(offset)
}
processor = function(xml) {
if (is_defined(xml)) {
- // debug("goto pos: received response\nBEGIN\n" + req.responseText + "\nEND");
- len = parseInt(xml.getElementsByTagName("parsed")[0].getAttribute("length"));
+ parsed = xml.getElementsByTagName("parsed")[0];
+ len = parseInt(parsed.getAttribute("length"));
len0 = unlocked.innerHTML.length;
- unescaped = unlocked.innerHTML.unescapeHTML();
- parsedtxt = unescaped.substr(0,len);
+ unescaped = unlocked.innerHTML.html_to_matita();
+ parsedtxt = parsed.childNodes[0].nodeValue;
+ //parsedtxt = unescaped.substr(0,len);
unparsedtxt = unescaped.substr(len);
- locked.innerHTML = locked.innerHTML + parsedtxt;
- unlocked.innerHTML = unparsedtxt;
+ locked.innerHTML = locked.innerHTML + parsedtxt; //.matita_to_html();
+ unlocked.innerHTML = unparsedtxt.matita_to_html();
len1 = unlocked.innerHTML.length;
len2 = len0 - len1;
metasenv = xml.getElementsByTagName("meta");
@@ -405,7 +559,7 @@ function gotoPos(offset)
}
}
pause();
- callServer("advance",processor,"body=" + (unlocked.innerHTML.unescapeHTML()).sescape());
+ callServer("advance",processor,"body=" + (unlocked.innerHTML.html_to_matita()).sescape());
}
function retract()
@@ -447,6 +601,23 @@ function openFile()
callServer("open",processor,"file=" + escape(filename.value));
}
+function retrieveFile(thefile)
+{
+ processor = function(xml)
+ {
+ if (is_defined(xml)) {
+ locked.innerHTML = "";
+ debug(xml.getElementsByTagName("file")[0].childNodes[0].nodeValue);
+ unlocked.innerHTML = xml.getElementsByTagName("file")[0].childNodes[0].nodeValue;
+
+ } else {
+ debug("file open failed");
+ }
+ };
+ dialogBox.style.display = "none";
+ callServer("open",processor,"file=" + escape(thefile));
+}
+
function showLibrary()
{
var req = null;
@@ -478,7 +649,7 @@ function showLibrary()
if(stat == 200)
{
debug(req.responseText);
- showDialog("Library",req.responseText);
+ showDialog("