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ajaxterm={};
ajaxterm.Terminal_ctor=function(id,width,height) {
var ie=0;
var webkit=0;
if(window.ActiveXObject)
ie=1;
if (navigator.userAgent.indexOf("WebKit") >= 0)
webkit=1;
var sid="";
for (var i=0; i < 255; i++) {
var r = 0;
// now get a random number between 0 and 255
// numbers not in the range are intentionally discarded
// as it reduces the chance of predicting the seed, by not
// using all of the numbers generated by the PRNG
do {
r = Math.round(Math.random()*1000);
} while(r >= 255);
r = r.toString(16);
if (r.length == 1)
r = "0"+r;
sid += "%" + r;
}
if (width==0) {
width=80;
}
if (height==0) {
height=25;
}
var query0="s="+sid+"&w="+width+"&h="+height;
var query1=query0+"&c=1&k=";
var buf="";
var timeout;
var error_timeout;
var keybuf=[];
var sending=0;
var rmax=1;
var div=document.getElementById(id);
var dstat=document.createElement('pre');
var sled=document.createElement('span');
var opt_get=document.createElement('a');
var opt_color=document.createElement('a');
var opt_paste=document.createElement('a');
var sdebug=document.createElement('span');
var dterm=document.createElement('div');
function debug(s) {
sdebug.innerHTML=s;
}
function error() {
sled.className='off';
debug("Connection lost timeout ts:"+((new Date).getTime()));
}
function opt_add(opt,name) {
opt.className='off';
opt.innerHTML=' '+name+' ';
dstat.appendChild(opt);
dstat.appendChild(document.createTextNode(' '));
}
function do_get(event) {
opt_get.className=(opt_get.className=='off')?'on':'off';
debug('GET '+opt_get.className);
}
function do_color(event) {
var o=opt_color.className=(opt_color.className=='off')?'on':'off';
if(o=='on')
query1=query0+"&c=1&k=";
else
query1=query0+"&k=";
debug('Color '+opt_color.className);
}
function mozilla_clipboard() {
// mozilla sucks
try {
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
} catch (err) {
debug('Access denied, <a href="http://kb.mozillazine.org/Granting_JavaScript_access_to_the_clipboard" target="_blank">more info</a>');
return undefined;
}
var clip = Components.classes["@mozilla.org/widget/clipboard;1"].createInstance(Components.interfaces.nsIClipboard);
var trans = Components.classes["@mozilla.org/widget/transferable;1"].createInstance(Components.interfaces.nsITransferable);
if (!clip || !trans) {
return undefined;
}
trans.addDataFlavor("text/unicode");
clip.getData(trans,clip.kGlobalClipboard);
var str=new Object();
var strLength=new Object();
try {
trans.getTransferData("text/unicode",str,strLength);
} catch(err) {
return "";
}
if (str) {
str=str.value.QueryInterface(Components.interfaces.nsISupportsString);
}
if (str) {
return str.data.substring(0,strLength.value / 2);
} else {
return "";
}
}
function do_paste(event) {
var p=undefined;
if (window.clipboardData) {
p=window.clipboardData.getData("Text");
} else if(window.netscape) {
p=mozilla_clipboard();
}
if (p) {
debug('Pasted');
queue(encodeURIComponent(p));
} else {
}
}
function update() {
// debug("ts: "+((new Date).getTime())+" rmax:"+rmax);
if(sending==0) {
sending=1;
sled.className='on';
var r=new XMLHttpRequest();
var send="";
while(keybuf.length>0) {
send+=keybuf.pop();
}
var query=query1+send;
if(opt_get.className=='on') {
r.open("GET","u?"+query,true);
if(ie) {
r.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
}
} else {
r.open("POST","u",true);
}
r.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
r.onreadystatechange = function () {
// debug("xhr:"+((new Date).getTime())+" state:"+r.readyState+" status:"+r.status+" statusText:"+r.statusText);
if (r.readyState==4) {
if(r.status==200) {
window.clearTimeout(error_timeout);
if(ie)
{
var responseXMLdoc = new ActiveXObject("Microsoft.XMLDOM");
responseXMLdoc.loadXML(r.responseText);
de = responseXMLdoc.documentElement;
}
else
{
de=r.responseXML.documentElement;
}
if(de.tagName=="pre") {
if(ie) {
Sarissa.updateContentFromNode(de, dterm);
} else {
Sarissa.updateContentFromNode(de, dterm);
// old=div.firstChild;
// div.replaceChild(de,old);
}
rmax=100;
} else {
rmax*=2;
if(rmax>2000)
rmax=2000;
}
sending=0;
sled.className='off';
timeout=window.setTimeout(update,rmax);
} else {
debug("Connection error status:"+r.status);
}
}
}
error_timeout=window.setTimeout(error,5000);
if(opt_get.className=='on') {
r.send(null);
} else {
r.send(query);
}
}
}
function queue(s) {
keybuf.unshift(s);
if(sending==0) {
window.clearTimeout(timeout);
timeout=window.setTimeout(update,1);
}
}
function keypress(ev) {
if (!ev) var ev=window.event;
// s="kp keyCode="+ev.keyCode+" which="+ev.which+" shiftKey="+ev.shiftKey+" ctrlKey="+ev.ctrlKey+" altKey="+ev.altKey;
// debug(s);
// return false;
// else { if (!ev.ctrlKey || ev.keyCode==17) { return; }
var kc;
var k="";
if (ev.keyCode)
kc=ev.keyCode;
if (ev.which)
kc=ev.which;
if (ev.altKey) {
if (kc>=65 && kc<=90)
kc+=32;
if (kc>=97 && kc<=122) {
k=String.fromCharCode(27)+String.fromCharCode(kc);
}
} else if (ev.ctrlKey) {
if (kc>=64 && kc<=95) k=String.fromCharCode(kc-64); // Ctrl-@,A..Z,[,\,^,],_
else if (kc>=97 && kc<=122) k=String.fromCharCode(kc-96); // Ctrl-A..Z
else if (kc==54) k=String.fromCharCode(30); // Ctrl-^
else if (kc==109) k=String.fromCharCode(31); // Ctrl-_
else if (kc==219) k=String.fromCharCode(27); // Ctrl-[
else if (kc==220) k=String.fromCharCode(28); // Ctrl-\
else if (kc==221) k=String.fromCharCode(29); // Ctrl-]
else if (kc==32) k=String.fromCharCode(0); // Ctrl-space
} else if (ev.which==0) {
if (kc==9) k=String.fromCharCode(9); // Tab
else if (kc==8) k=String.fromCharCode(127); // Backspace
else if (kc==27) k=String.fromCharCode(27); // Escape
else {
if (kc==33) k="[5~"; // PgUp
else if (kc==34) k="[6~"; // PgDn
else if (kc==35) k="[4~"; // End
else if (kc==36) k="[1~"; // Home
else if (kc==37) k="[D"; // Left
else if (kc==38) k="[A"; // Up
else if (kc==39) k="[C"; // Right
else if (kc==40) k="[B"; // Down
else if (kc==45) k="[2~"; // Ins
else if (kc==46) k="[3~"; // Del
else if (kc==112) k="[[A"; // F1
else if (kc==113) k="[[B"; // F2
else if (kc==114) k="[[C"; // F3
else if (kc==115) k="[[D"; // F4
else if (kc==116) k="[[E"; // F5
else if (kc==117) k="[17~"; // F6
else if (kc==118) k="[18~"; // F7
else if (kc==119) k="[19~"; // F8
else if (kc==120) k="[20~"; // F9
else if (kc==121) k="[21~"; // F10
else if (kc==122) k="[23~"; // F11
else if (kc==123) k="[24~"; // F12
if (k.length) {
k=String.fromCharCode(27)+k;
}
}
} else {
if (kc==8)
k=String.fromCharCode(127); // Backspace
else
k=String.fromCharCode(kc);
}
if(k.length) {
// queue(encodeURIComponent(k));
if(k=="+") {
queue("%2B");
} else {
queue(utf8Escape(k));
}
}
ev.cancelBubble=true;
if (ev.stopPropagation) ev.stopPropagation();
if (ev.preventDefault) ev.preventDefault();
return false;
}
function keydown(ev) {
if (!ev) var ev=window.event;
if (ie || webkit) {
// s="kd keyCode="+ev.keyCode+" which="+ev.which+" shiftKey="+ev.shiftKey+" ctrlKey="+ev.ctrlKey+" altKey="+ev.altKey;
// debug(s);
o={9:1,8:1,27:1,33:1,34:1,35:1,36:1,37:1,38:1,39:1,40:1,45:1,46:1,112:1,
113:1,114:1,115:1,116:1,117:1,118:1,119:1,120:1,121:1,122:1,123:1};
if (o[ev.keyCode] || ev.ctrlKey || ev.altKey) {
ev.which=0;
return keypress(ev);
}
}
}
function init() {
sled.appendChild(document.createTextNode('\xb7'));
sled.className='off';
dstat.appendChild(sled);
dstat.appendChild(document.createTextNode(' '));
opt_add(opt_color,'Colors');
opt_color.className='on';
opt_add(opt_get,'GET');
opt_add(opt_paste,'Paste');
dstat.appendChild(sdebug);
dstat.className='stat';
div.appendChild(dstat);
div.appendChild(dterm);
if(opt_color.addEventListener) {
opt_get.addEventListener('click',do_get,true);
opt_color.addEventListener('click',do_color,true);
opt_paste.addEventListener('click',do_paste,true);
} else {
opt_get.attachEvent("onclick", do_get);
opt_color.attachEvent("onclick", do_color);
opt_paste.attachEvent("onclick", do_paste);
}
document.onkeypress=keypress;
document.onkeydown=keydown;
timeout=window.setTimeout(update,100);
}
init();
}
ajaxterm.Terminal=function(id,width,height) {
return new this.Terminal_ctor(id,width,height);
}
|
