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Moved viewdata javascript so it wasnt a post, enabled zoom in chinwag

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This commit is contained in:
Deon George
2019-01-16 14:36:43 +11:00
parent 25f3b37f8d
commit 442c326ad7
11 changed files with 13 additions and 10 deletions
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5
source/_posts/chinwag.md
View File

@@ -12,7 +12,7 @@ Chinwag is a BBS running on a Raspberry Pi under Docker.
If you would like to explore BBS, Echomail and Netmail without having to setup a BBS for yourself, you are welcome to connect to mine.
Just press the *Connect* button below, and create an account. The first time you login you'll have limited abilities, but send me a note and I'll upgrade you so that you can use the Echomail and Netmail areas.
<div id="fTelnetContainer" class="fTelnetContainer"></div>
<div id="fTelnetContainer" class="fTelnetContainer zoomTarget" data-targetsize="0.9"></div>
<script>document.write('<script src="//embed-v2.ftelnet.ca/js/ftelnet-loader.norip.xfer.js?v=' + (new Date()).getTime() + '"><\/script>');</script>
<script>
var Options = new fTelnetOptions();
@@ -39,3 +39,6 @@ Just press the *Connect* button below, and create an account. The first time you
There is some useful terminal emulation software available on the Net.
I'm a MAC user so I use [SyncTERM](http://syncterm.bbsdev.net) - it works a treat!
<% raw %>
<script src="/libs/zoomooz/js/jquery.zoomooz.min.js"></script>
<% endraw %>

18
source/_posts/oztex.md
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@@ -14,8 +14,8 @@ It is still being developed, so the current functionality is very limited. You c
<small>**NOTE:** For some keyboards, the hash (#) key is the UK Pound (£) symbol. You should be able to use your **ENTER** key in place of **#**, otherwise you can try your **'** (apostrophe) key.</small>
<small>**TIP:** You can click inside the terminal to zoom full screen. Click outside to unzoom.</small>
{% raw %}
<link rel="stylesheet" href="viewdata/teletext.css" type="text/css">
<div class="viewdata clearer">
<link rel="stylesheet" href="/js/viewdata/TELETEXT.CSS" type="text/css">
<div class="viewdata">
<form>
<input id='host' type='hidden'>
<input id='port' type='hidden'>
@@ -48,13 +48,13 @@ It is still being developed, so the current functionality is very limited. You c
&nbsp;Press Connect to begin.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span><span style="color:#ffffff;background-color:#000000;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>
</div></td></tr></tbody></table>
<script src="viewdata/base64.js"></script>
<script src="viewdata/util.js"></script>
<script src="viewdata/websock.js"></script>
<script src="viewdata/webutil.js"></script>
<script src="viewdata/keysym.js"></script>
<script src="viewdata/vdata.js"></script>
<script src="viewdata/wsvdata.js"></script>
<script src="/js/viewdata/base64.js"></script>
<script src="/js/viewdata/util.js"></script>
<script src="/js/viewdata/websock.js"></script>
<script src="/js/viewdata/webutil.js"></script>
<script src="/js/viewdata/keysym.js"></script>
<script src="/js/viewdata/vdata.js"></script>
<script src="/js/viewdata/wsvdata.js"></script>
<script src="/libs/zoomooz/js/jquery.zoomooz.min.js"></script>
<script>
var telnet;

BIN
source/_posts/oztex/viewdata/MODE7GX3.TTF
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Binary file not shown.

144
source/_posts/oztex/viewdata/TELETEXT.CSS
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@@ -1,144 +0,0 @@
/*
Teletext stylesheet
Galax 2014-2015 http://galax.xyz
MODE7GX3.TTF font by Galax 2014 - based on ModeSeven, created in 1998 by Andrew Bulhak
*/
/* Hard reset */
/*
html,body,div,span,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,
address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,
sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,
tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,
footer,header,hgroup,menu,nav,output,section,summary,time,audio,video {
padding: 0;
margin: 0;
border: 0;
font-smooth: never;
-webkit-font-smoothing: none;
}
*/
/*
Teletext palette
000000 0 black
ff0000 1 red
00ff00 2 green
ffff00 3 yellow
0000ff 4 blue
ff00ff 5 magenta
00ffff 6 cyan
ffffff 7 white
*/
/*
a {
text-decoration: none;
}
*/
/* unvisited link */
/*
a:link {
color: #00ffff;
}
*/
/* visited link */
/*
a:visited {
color: #00ff00;
}
*/
/* mouse over link */
/*
a:hover {
color: #ffff00;
}
a.yellow:hover, .yellow a:hover {
color: #00ff00;
}
*/
/* selected link */
/*
a:active {
color: #ff0000;
}
a.yellow:active, .yellow a:active {
color: #ff0000;
}
a.red:active, .red a:active {
color: #ffff00;
}
*/
/* flashing class, it's like the 'blink' tag is back */
/*
.flashing {
animation: flashing 1.3s steps(5, start) infinite;
-webkit-animation: flashing 1.3s steps(5, start) infinite;
}
@keyframes flashing { to { visibility: hidden; } }
@-webkit-keyframes flashing { to { visibility: hidden; } }
*/
/* concealed text is initially hidden, reveal by modifying class */
/*
.conceal { opacity: 0; }
.colour0, .black, a.black, .black a {color: #000000;}
.colour1, .red, a.red, .red a {color: #ff0000;}
.colour2, .green, a.green, .green a {color: #00ff00;}
.colour3, .yellow, a.yellow, .yellow a {color: #ffff00;}
.colour4, .blue, a.blue, .blue a {color: #0000ff;}
.colour5, .magenta, a.magenta, .magenta a{color: #ff00ff;}
.colour6, .cyan, a.cyan, .cyan a {color: #00ffff;}
.colour7, .white, a.white, .white a {color: #ffffff;}
.colour0bg, .blackbg {background-color: #000000;}
.colour1bg, .redbg {background-color: #ff0000;}
.colour2bg, .greenbg {background-color: #00ff00;}
.colour3bg, .yellowbg {background-color: #ffff00;}
.colour4bg, .bluebg {background-color: #0000ff;}
.colour5bg, .magentabg {background-color: #ff00ff;}
.colour6bg, .cyanbg {background-color: #00ffff;}
.colour7bg, .whitebg {background-color: #ffffff;}
*/
@font-face {
font-family: Mode7;
src: url('MODE7GX3.TTF'), url('MODE7GX3.EOT'); /* .EOT is for IE */
}
div.viewdata > table {
margin-left: auto;
margin-right: auto;
width: 0%;
}
td.teletext {
font-family: Mode7, monospace, courier, fixed;
font-size: 20px;
font-smooth: never;
-webkit-font-smoothing : none;
color: #ffffff;
background: #000000;
line-height: 20px;
text-align: left;
white-space: pre;
display: block;
font-size: 20px;
font-smooth: never;
-webkit-font-smoothing : none;
}
/*
body {
border-width: 20px 20px 20px 20px; /* t r b l */
padding: 20px;
}
*/

114
source/_posts/oztex/viewdata/base64.js
View File

@@ -1,114 +0,0 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// From: http://hg.mozilla.org/mozilla-central/raw-file/ec10630b1a54/js/src/devtools/jint/sunspider/string-base64.js
/*jslint white: false, bitwise: false, plusplus: false */
/*global console */
var Base64 = {
/* Convert data (an array of integers) to a Base64 string. */
toBase64Table : 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split(''),
base64Pad : '=',
encode: function (data) {
"use strict";
var result = '';
var toBase64Table = Base64.toBase64Table;
var base64Pad = Base64.base64Pad;
var length = data.length;
var i;
// Convert every three bytes to 4 ascii characters.
/* BEGIN LOOP */
for (i = 0; i < (length - 2); i += 3) {
result += toBase64Table[data[i] >> 2];
result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
result += toBase64Table[((data[i+1] & 0x0f) << 2) + (data[i+2] >> 6)];
result += toBase64Table[data[i+2] & 0x3f];
}
/* END LOOP */
// Convert the remaining 1 or 2 bytes, pad out to 4 characters.
if (length%3) {
i = length - (length%3);
result += toBase64Table[data[i] >> 2];
if ((length%3) === 2) {
result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
result += toBase64Table[(data[i+1] & 0x0f) << 2];
result += base64Pad;
} else {
result += toBase64Table[(data[i] & 0x03) << 4];
result += base64Pad + base64Pad;
}
}
return result;
},
/* Convert Base64 data to a string */
toBinaryTable : [
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63,
52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1,
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14,
15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1,
-1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,
41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1
],
decode: function (data, offset) {
"use strict";
offset = typeof(offset) !== 'undefined' ? offset : 0;
var toBinaryTable = Base64.toBinaryTable;
var base64Pad = Base64.base64Pad;
var result, result_length, idx, i, c, padding;
var leftbits = 0; // number of bits decoded, but yet to be appended
var leftdata = 0; // bits decoded, but yet to be appended
var data_length = data.indexOf('=') - offset;
if (data_length < 0) { data_length = data.length - offset; }
/* Every four characters is 3 resulting numbers */
result_length = (data_length >> 2) * 3 + Math.floor((data_length%4)/1.5);
result = new Array(result_length);
// Convert one by one.
/* BEGIN LOOP */
for (idx = 0, i = offset; i < data.length; i++) {
c = toBinaryTable[data.charCodeAt(i) & 0x7f];
padding = (data.charAt(i) === base64Pad);
// Skip illegal characters and whitespace
if (c === -1) {
console.error("Illegal character code " + data.charCodeAt(i) + " at position " + i);
continue;
}
// Collect data into leftdata, update bitcount
leftdata = (leftdata << 6) | c;
leftbits += 6;
// If we have 8 or more bits, append 8 bits to the result
if (leftbits >= 8) {
leftbits -= 8;
// Append if not padding.
if (!padding) {
result[idx++] = (leftdata >> leftbits) & 0xff;
}
leftdata &= (1 << leftbits) - 1;
}
}
/* END LOOP */
// If there are any bits left, the base64 string was corrupted
if (leftbits) {
throw {name: 'Base64-Error',
message: 'Corrupted base64 string'};
}
return result;
}
}; /* End of Base64 namespace */

98
source/_posts/oztex/viewdata/keysym.js
View File

@@ -1,98 +0,0 @@
/*
* from noVNC: HTML5 VNC client
* Copyright (C) 2010 Joel Martin
* Licensed under LGPL-3 (see LICENSE.txt)
*/
/* Translate DOM key down/up event to keysym value */
function getKeysym(e) {
var evt, keysym;
evt = (e ? e : window.event);
/* Remap modifier and special keys */
switch ( evt.keyCode ) {
case 8 : keysym = 0xFF08; break; // BACKSPACE
case 9 : keysym = 0xFF09; break; // TAB
case 13 : keysym = 0xFF0D; break; // ENTER
case 27 : keysym = 0xFF1B; break; // ESCAPE
case 45 : keysym = 0xFF63; break; // INSERT
case 46 : keysym = 0xFFFF; break; // DELETE
case 36 : keysym = 0xFF50; break; // HOME
case 35 : keysym = 0xFF57; break; // END
case 33 : keysym = 0xFF55; break; // PAGE_UP
case 34 : keysym = 0xFF56; break; // PAGE_DOWN
case 37 : keysym = 0xFF51; break; // LEFT
case 38 : keysym = 0xFF52; break; // UP
case 39 : keysym = 0xFF53; break; // RIGHT
case 40 : keysym = 0xFF54; break; // DOWN
case 112 : keysym = 0xFFBE; break; // F1
case 113 : keysym = 0xFFBF; break; // F2
case 114 : keysym = 0xFFC0; break; // F3
case 115 : keysym = 0xFFC1; break; // F4
case 116 : keysym = 0xFFC2; break; // F5
case 117 : keysym = 0xFFC3; break; // F6
case 118 : keysym = 0xFFC4; break; // F7
case 119 : keysym = 0xFFC5; break; // F8
case 120 : keysym = 0xFFC6; break; // F9
case 121 : keysym = 0xFFC7; break; // F10
case 122 : keysym = 0xFFC8; break; // F11
case 123 : keysym = 0xFFC9; break; // F12
case 16 : keysym = 0xFFE1; break; // SHIFT
case 17 : keysym = 0xFFE3; break; // CONTROL
//case 18 : keysym = 0xFFE7; break; // Left Meta (Mac Option)
case 18 : keysym = 0xFFE9; break; // Left ALT (Mac Command)
default : keysym = evt.keyCode; break;
}
/* Remap symbols */
switch (keysym) {
case 186 : keysym = 59; break; // ; (IE)
case 187 : keysym = 61; break; // = (IE)
case 188 : keysym = 44; break; // , (Mozilla, IE)
case 109 : // - (Mozilla)
if (Util.Engine.gecko) {
keysym = 45; }
break;
case 189 : keysym = 45; break; // - (IE)
case 190 : keysym = 46; break; // . (Mozilla, IE)
case 191 : keysym = 47; break; // / (Mozilla, IE)
case 192 : keysym = 96; break; // ` (Mozilla, IE)
case 219 : keysym = 91; break; // [ (Mozilla, IE)
case 220 : keysym = 92; break; // \ (Mozilla, IE)
case 221 : keysym = 93; break; // ] (Mozilla, IE)
case 222 : keysym = 39; break; // ' (Mozilla, IE)
}
/* Remap shifted and unshifted keys */
if (!!evt.shiftKey) {
switch (keysym) {
case 48 : keysym = 41 ; break; // ) (shifted 0)
case 49 : keysym = 33 ; break; // ! (shifted 1)
case 50 : keysym = 64 ; break; // @ (shifted 2)
case 51 : keysym = 35 ; break; // # (shifted 3)
case 52 : keysym = 36 ; break; // $ (shifted 4)
case 53 : keysym = 37 ; break; // % (shifted 5)
case 54 : keysym = 94 ; break; // ^ (shifted 6)
case 55 : keysym = 38 ; break; // & (shifted 7)
case 56 : keysym = 42 ; break; // * (shifted 8)
case 57 : keysym = 40 ; break; // ( (shifted 9)
case 59 : keysym = 58 ; break; // : (shifted `)
case 61 : keysym = 43 ; break; // + (shifted ;)
case 44 : keysym = 60 ; break; // < (shifted ,)
case 45 : keysym = 95 ; break; // _ (shifted -)
case 46 : keysym = 62 ; break; // > (shifted .)
case 47 : keysym = 63 ; break; // ? (shifted /)
case 96 : keysym = 126; break; // ~ (shifted `)
case 91 : keysym = 123; break; // { (shifted [)
case 92 : keysym = 124; break; // | (shifted \)
case 93 : keysym = 125; break; // } (shifted ])
case 39 : keysym = 34 ; break; // " (shifted ')
}
} else if ((keysym >= 65) && (keysym <=90)) {
/* Remap unshifted A-Z */
keysym += 32;
}
return keysym;
}

379
source/_posts/oztex/viewdata/util.js
View File

@@ -1,379 +0,0 @@
/*
* from noVNC: HTML5 VNC client
* Copyright (C) 2012 Joel Martin
* Licensed under MPL 2.0 (see LICENSE.txt)
*
* See README.md for usage and integration instructions.
*/
"use strict";
/*jslint bitwise: false, white: false */
/*global window, console, document, navigator, ActiveXObject */
// Globals defined here
var Util = {};
/*
* Make arrays quack
*/
Array.prototype.push8 = function (num) {
this.push(num & 0xFF);
};
Array.prototype.push16 = function (num) {
this.push((num >> 8) & 0xFF,
(num ) & 0xFF );
};
Array.prototype.push32 = function (num) {
this.push((num >> 24) & 0xFF,
(num >> 16) & 0xFF,
(num >> 8) & 0xFF,
(num ) & 0xFF );
};
// IE does not support map (even in IE9)
//This prototype is provided by the Mozilla foundation and
//is distributed under the MIT license.
//http://www.ibiblio.org/pub/Linux/LICENSES/mit.license
if (!Array.prototype.map)
{
Array.prototype.map = function(fun /*, thisp*/)
{
var len = this.length;
if (typeof fun != "function")
throw new TypeError();
var res = new Array(len);
var thisp = arguments[1];
for (var i = 0; i < len; i++)
{
if (i in this)
res[i] = fun.call(thisp, this[i], i, this);
}
return res;
};
}
//
// requestAnimationFrame shim with setTimeout fallback
//
window.requestAnimFrame = (function(){
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function(callback){
window.setTimeout(callback, 1000 / 60);
};
})();
/*
* ------------------------------------------------------
* Namespaced in Util
* ------------------------------------------------------
*/
/*
* Logging/debug routines
*/
Util._log_level = 'warn';
Util.init_logging = function (level) {
if (typeof level === 'undefined') {
level = Util._log_level;
} else {
Util._log_level = level;
}
if (typeof window.console === "undefined") {
if (typeof window.opera !== "undefined") {
window.console = {
'log' : window.opera.postError,
'warn' : window.opera.postError,
'error': window.opera.postError };
} else {
window.console = {
'log' : function(m) {},
'warn' : function(m) {},
'error': function(m) {}};
}
}
Util.Debug = Util.Info = Util.Warn = Util.Error = function (msg) {};
switch (level) {
case 'debug': Util.Debug = function (msg) { console.log(msg); };
case 'info': Util.Info = function (msg) { console.log(msg); };
case 'warn': Util.Warn = function (msg) { console.warn(msg); };
case 'error': Util.Error = function (msg) { console.error(msg); };
case 'none':
break;
default:
throw("invalid logging type '" + level + "'");
}
};
Util.get_logging = function () {
return Util._log_level;
};
// Initialize logging level
Util.init_logging();
// Set configuration default for Crockford style function namespaces
Util.conf_default = function(cfg, api, defaults, v, mode, type, defval, desc) {
var getter, setter;
// Default getter function
getter = function (idx) {
if ((type in {'arr':1, 'array':1}) &&
(typeof idx !== 'undefined')) {
return cfg[v][idx];
} else {
return cfg[v];
}
};
// Default setter function
setter = function (val, idx) {
if (type in {'boolean':1, 'bool':1}) {
if ((!val) || (val in {'0':1, 'no':1, 'false':1})) {
val = false;
} else {
val = true;
}
} else if (type in {'integer':1, 'int':1}) {
val = parseInt(val, 10);
} else if (type === 'str') {
val = String(val);
} else if (type === 'func') {
if (!val) {
val = function () {};
}
}
if (typeof idx !== 'undefined') {
cfg[v][idx] = val;
} else {
cfg[v] = val;
}
};
// Set the description
api[v + '_description'] = desc;
// Set the getter function
if (typeof api['get_' + v] === 'undefined') {
api['get_' + v] = getter;
}
// Set the setter function with extra sanity checks
if (typeof api['set_' + v] === 'undefined') {
api['set_' + v] = function (val, idx) {
if (mode in {'RO':1, 'ro':1}) {
throw(v + " is read-only");
} else if ((mode in {'WO':1, 'wo':1}) &&
(typeof cfg[v] !== 'undefined')) {
throw(v + " can only be set once");
}
setter(val, idx);
};
}
// Set the default value
if (typeof defaults[v] !== 'undefined') {
defval = defaults[v];
} else if ((type in {'arr':1, 'array':1}) &&
(! (defval instanceof Array))) {
defval = [];
}
// Coerce existing setting to the right type
//Util.Debug("v: " + v + ", defval: " + defval + ", defaults[v]: " + defaults[v]);
setter(defval);
};
// Set group of configuration defaults
Util.conf_defaults = function(cfg, api, defaults, arr) {
var i;
for (i = 0; i < arr.length; i++) {
Util.conf_default(cfg, api, defaults, arr[i][0], arr[i][1],
arr[i][2], arr[i][3], arr[i][4]);
}
};
/*
* Cross-browser routines
*/
// Dynamically load scripts without using document.write()
// Reference: http://unixpapa.com/js/dyna.html
//
// Handles the case where load_scripts is invoked from a script that
// itself is loaded via load_scripts. Once all scripts are loaded the
// window.onscriptsloaded handler is called (if set).
Util.get_include_uri = function() {
return (typeof INCLUDE_URI !== "undefined") ? INCLUDE_URI : "include/";
}
Util._loading_scripts = [];
Util._pending_scripts = [];
Util.load_scripts = function(files) {
var head = document.getElementsByTagName('head')[0], script,
ls = Util._loading_scripts, ps = Util._pending_scripts;
for (var f=0; f<files.length; f++) {
script = document.createElement('script');
script.type = 'text/javascript';
script.src = Util.get_include_uri() + files[f];
//console.log("loading script: " + script.src);
script.onload = script.onreadystatechange = function (e) {
while (ls.length > 0 && (ls[0].readyState === 'loaded' ||
ls[0].readyState === 'complete')) {
// For IE, append the script to trigger execution
var s = ls.shift();
//console.log("loaded script: " + s.src);
head.appendChild(s);
}
if (!this.readyState ||
(Util.Engine.presto && this.readyState === 'loaded') ||
this.readyState === 'complete') {
if (ps.indexOf(this) >= 0) {
this.onload = this.onreadystatechange = null;
//console.log("completed script: " + this.src);
ps.splice(ps.indexOf(this), 1);
// Call window.onscriptsload after last script loads
if (ps.length === 0 && window.onscriptsload) {
window.onscriptsload();
}
}
}
};
// In-order script execution tricks
if (Util.Engine.trident) {
// For IE wait until readyState is 'loaded' before
// appending it which will trigger execution
// http://wiki.whatwg.org/wiki/Dynamic_Script_Execution_Order
ls.push(script);
} else {
// For webkit and firefox set async=false and append now
// https://developer.mozilla.org/en-US/docs/HTML/Element/script
script.async = false;
head.appendChild(script);
}
ps.push(script);
}
}
// Get DOM element position on page
Util.getPosition = function (obj) {
var x = 0, y = 0;
if (obj.offsetParent) {
do {
x += obj.offsetLeft;
y += obj.offsetTop;
obj = obj.offsetParent;
} while (obj);
}
return {'x': x, 'y': y};
};
// Get mouse event position in DOM element
Util.getEventPosition = function (e, obj, scale) {
var evt, docX, docY, pos;
//if (!e) evt = window.event;
evt = (e ? e : window.event);
evt = (evt.changedTouches ? evt.changedTouches[0] : evt.touches ? evt.touches[0] : evt);
if (evt.pageX || evt.pageY) {
docX = evt.pageX;
docY = evt.pageY;
} else if (evt.clientX || evt.clientY) {
docX = evt.clientX + document.body.scrollLeft +
document.documentElement.scrollLeft;
docY = evt.clientY + document.body.scrollTop +
document.documentElement.scrollTop;
}
pos = Util.getPosition(obj);
if (typeof scale === "undefined") {
scale = 1;
}
return {'x': (docX - pos.x) / scale, 'y': (docY - pos.y) / scale};
};
// Event registration. Based on: http://www.scottandrew.com/weblog/articles/cbs-events
Util.addEvent = function (obj, evType, fn){
if (obj.attachEvent){
var r = obj.attachEvent("on"+evType, fn);
return r;
} else if (obj.addEventListener){
obj.addEventListener(evType, fn, false);
return true;
} else {
throw("Handler could not be attached");
}
};
Util.removeEvent = function(obj, evType, fn){
if (obj.detachEvent){
var r = obj.detachEvent("on"+evType, fn);
return r;
} else if (obj.removeEventListener){
obj.removeEventListener(evType, fn, false);
return true;
} else {
throw("Handler could not be removed");
}
};
Util.stopEvent = function(e) {
if (e.stopPropagation) { e.stopPropagation(); }
else { e.cancelBubble = true; }
if (e.preventDefault) { e.preventDefault(); }
else { e.returnValue = false; }
};
// Set browser engine versions. Based on mootools.
Util.Features = {xpath: !!(document.evaluate), air: !!(window.runtime), query: !!(document.querySelector)};
Util.Engine = {
// Version detection break in Opera 11.60 (errors on arguments.callee.caller reference)
//'presto': (function() {
// return (!window.opera) ? false : ((arguments.callee.caller) ? 960 : ((document.getElementsByClassName) ? 950 : 925)); }()),
'presto': (function() { return (!window.opera) ? false : true; }()),
'trident': (function() {
return (!window.ActiveXObject) ? false : ((window.XMLHttpRequest) ? ((document.querySelectorAll) ? 6 : 5) : 4); }()),
'webkit': (function() {
try { return (navigator.taintEnabled) ? false : ((Util.Features.xpath) ? ((Util.Features.query) ? 525 : 420) : 419); } catch (e) { return false; } }()),
//'webkit': (function() {
// return ((typeof navigator.taintEnabled !== "unknown") && navigator.taintEnabled) ? false : ((Util.Features.xpath) ? ((Util.Features.query) ? 525 : 420) : 419); }()),
'gecko': (function() {
return (!document.getBoxObjectFor && window.mozInnerScreenX == null) ? false : ((document.getElementsByClassName) ? 19 : 18); }())
};
if (Util.Engine.webkit) {
// Extract actual webkit version if available
Util.Engine.webkit = (function(v) {
var re = new RegExp('WebKit/([0-9\.]*) ');
v = (navigator.userAgent.match(re) || ['', v])[1];
return parseFloat(v, 10);
})(Util.Engine.webkit);
}
Util.Flash = (function(){
var v, version;
try {
v = navigator.plugins['Shockwave Flash'].description;
} catch(err1) {
try {
v = new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
} catch(err2) {
v = '0 r0';
}
}
version = v.match(/\d+/g);
return {version: parseInt(version[0] || 0 + '.' + version[1], 10) || 0, build: parseInt(version[2], 10) || 0};
}());

320
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// VD.js -- a viewdata terminal emulator
// constructor
function VD(wd, ht, scr_id)
{
var r;
var c;
var scr = document.getElementById(scr_id);
this.wd_ = wd;
this.ht_ = ht;
this.text_ = new Array(ht);
for (r = 0; r < ht; ++r) {
this.text_[r] = new Array(wd);
}
this.scr_ = scr;
this.cursor_vis_ = true;
this.getch_isr_ = undefined;
this.grab_events_ = false;
this.key_buf_ = [];
this.esc_state_ = 0;
this.col_ = 0;
this.row_ = 0;
// Internal debug setting.
this.clear();
//this.refresh();
}
VD.A_REVERSE = 2;
VD.A_BLINK = 4;
VD.browser_ie_ = (navigator.appName.indexOf("Microsoft") != -1);
VD.browser_opera_ = (navigator.appName.indexOf("Opera") != -1);
// class variables
VD.the_vt_ = undefined;
// object methods
VD.prototype.html_colours_ = function(at_fg, at_bg, at_mode)
{
var co0, co1;
if (at_mode & VD.A_REVERSE) {
co0 = 'ff';
co1 = '00';
} else {
co0 = '00';
co1 = 'ff';
}
return {
f: '#' + (at_fg & 1 ? co1 : co0) +
(at_fg & 2 ? co1 : co0) +
(at_fg & 4 ? co1 : co0),
b: '#' + (at_bg & 1 ? co1 : co0) +
(at_bg & 2 ? co1 : co0) +
(at_bg & 4 ? co1 : co0)
};
}
VD.prototype.clear = function()
{
this.row_ = this.col_ = 0;
for (r = 0; r < this.ht_; ++r) {
for (c = 0; c < this.wd_; ++c) {
this.text_[r][c] = ' ';
}
}
}
VD.prototype.curs_set = function(vis, grab, eventist)
{
if (vis !== undefined)
this.cursor_vis_ = (vis > 0);
}
VD.prototype.getch = function(isr)
{
// this.refresh();
this.getch_isr_ = isr;
setTimeout(VD.go_getch_, 0);
}
VD.go_getch_ = function VD_go_getch()
{
var vt = VD.the_vt_;
if (vt === undefined)
return;
var isr = vt.getch_isr_;
vt.getch_isr_ = undefined;
if (isr === undefined)
return;
var ch = vt.key_buf_.shift();
if (ch === undefined) {
vt.getch_isr_ = isr;
return;
}
isr(ch, vt);
}
VD.prototype.move = function(r, c)
{
if (r < 0)
r = 0;
else if (r >= this.ht_)
r = this.ht_ - 1;
if (c < 0)
c = 0;
else if (c >= this.wd_)
c = this.wd_ - 1;
this.row_ = r;
this.col_ = c;
}
VD.prototype.refresh = function()
{
var r, c, stuff = "", start_tag = "", end_tag = "", ch,
pair, cr, cc, ht, wd, cv, n_fg, n_bg, n_mode, n_type, a_fg=-1, a_bg=-1, a_mode=-1;
ht = this.ht_;
wd = this.wd_;
cr = this.row_;
cc = this.col_;
cv = this.cursor_vis_;
// var innerHTML = this.scr_.innerHTML;
if (cc >= wd)
cc = wd - 1;
for (r = 0; r < ht; ++r) {
if (r > 0) {
stuff += '\n';
}
n_fg = 7;
n_bg = 0;
n_mode = 0;
n_type = 0;
for (c = 0; c < wd; ++c) {
if (cv && r == cr && c == cc) {
// Draw the cursor here.
n_mode |= VD.A_REVERSE;
} else {
n_mode &= ~VD.A_REVERSE;
}
ch = this.text_[r][c];
//console.log('CH: %i (%s) [%i,%i]',ch.charCodeAt(0),ch,r,c);
if (ch.charCodeAt(0) >= 129 && ch.charCodeAt(0) <= 135) {
n_fg = ch.charCodeAt(0)-128;
n_type &= ~2;
n_type &= ~16;
}
if (ch.charCodeAt(0) >= 145 && ch.charCodeAt(0) <= 151) {
n_fg = ch.charCodeAt(0)-144;
n_type |= 2;
n_type &= ~16;
}
if (ch == '\x88')
n_mode |= VD.A_BLINK;
if (ch == '\x89')
n_mode &= ~VD.A_BLINK;
if (ch == '\x8c')
n_type &= ~8;
if (ch == '\x8d')
n_type |= 8;
if (ch == '\x98')
n_type |= 16;
if (ch == '\x99')
n_type &= ~1;
if (ch == '\x9a')
n_type |= 1;
if (ch == '\x9c')
n_bg = 0;
if (ch == '\x9d')
n_bg = n_fg;
if (ch == '\x9e')
n_type |= 32;
if (ch == '\x9f')
n_type &= ~32;
// If the attributes changed, make a new span.
if (n_mode != a_mode || n_fg != a_fg || n_bg != a_bg) {
stuff += end_tag;
pair = this.html_colours_(n_fg, n_bg, n_mode);
stuff += '<span style="color:' + pair.f + ';background-color:' + pair.b + ';">';
// + (n_mode & VD.A_BLINK ? ' class="blink"' : '') + '>';
end_tag = "</span>";
a_fg = n_fg;
a_bg = n_bg;
a_mode = n_mode;
}
if (ch.charCodeAt(0) >= 128)
ch = ' ';
if (n_type & 2) {
if ( ch.charCodeAt(0) >= 0x20 && ch.charCodeAt(0) <= 0x3f) {
ch = '&#x' + (ch.charCodeAt(0)+0xe1e0+((n_type & 1)*0xc0)).toString(16) +";";
} else if ( ch.charCodeAt(0) >= 0x60 && ch.charCodeAt(0) <= 0x7f) {
ch = '&#x' + (ch.charCodeAt(0)+0xe1c0+((n_type & 1)*0xc0)).toString(16) +";";
}
}
switch (ch) {
case '&':
stuff += '&amp;'; break;
case '<':
stuff += '&lt;'; break;
case '>':
stuff += '&gt;'; break;
case ' ':
// stuff += '&nbsp;'; break;
stuff += '\xa0'; break;
case '\x7e':
case '~':
stuff += '\xf7'; break;
case '\x7f':
stuff += "&#xe23f;"; break
case '_':
stuff += '#'; break
case '{':
stuff += '\xbc'; break
case '\\':
stuff += '\xbd'; break
case '}':
stuff += '\xbe'; break
case '#':
stuff += '\xa3'; break
default:
stuff += ch;
}
}
}
stuff += end_tag
//this.scr_.innerHTML = "<b>" + stuff + "</b>\n";
this.scr_.innerHTML = stuff + "\n";
}
VD.prototype.write = function(stuff)
{
var ch, i;
for (i = 0; i < stuff.length; ++i) {
ch = stuff.charCodeAt(i);
if (this.esc_state_ && ch > 31)
ch = (ch % 32) + 128;
this.esc_state_ = 0;
switch (ch) {
case 8:
if (this.col_ != 0) {
--this.col_;
} else {
this.col_ = this.wd_-1;
if (this.row_ == 0) {
this.row_ = this.ht_-1;
} else {
--this.row_;
}
}
break;
case 9:
if (this.col_ >= this.wd_) {
this.col_ = 0;
if (this.row_ == this.ht_-1) {
this.row_ = 0;
} else {
++this.row_;
}
} else {
++this.col_;
}
break;
case 10:
if (this.row_ >= this.ht_-1) {
this.row_ = 0;
} else {
++this.row_;
}
break;
case 11:
if (this.row_ == 0) {
this.row_ = this.ht_-1;
} else {
--this.row_;
}
break;
case 12:
this.clear();
this.move(0, 0);
break;
case 13:
this.col_ = 0;
break;
case 17:
this.curs_set(1);
break;
case 20:
this.curs_set(0);
break;
case 27:
this.esc_state_ = 1;
break;
case 30:
this.move(0, 0);
break;
default:
if (ch > 31) {
this.text_[this.row_][this.col_] = String.fromCharCode(ch);
if (this.col_ >= this.wd_-1) {
this.col_ = 0;
if (this.row_ >= this.ht_-1) {
this.row_ = 0;
} else {
++this.row_;
}
} else {
++this.col_;
}
}
}
}
this.refresh();
}

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/*
* Websock: high-performance binary WebSockets
* Copyright (C) 2012 Joel Martin
* Licensed under MPL 2.0 (see LICENSE.txt)
*
* Websock is similar to the standard WebSocket object but Websock
* enables communication with raw TCP sockets (i.e. the binary stream)
* via websockify. This is accomplished by base64 encoding the data
* stream between Websock and websockify.
*
* Websock has built-in receive queue buffering; the message event
* does not contain actual data but is simply a notification that
* there is new data available. Several rQ* methods are available to
* read binary data off of the receive queue.
*/
/*jslint browser: true, bitwise: false, plusplus: false */
/*global Util, Base64 */
// Load Flash WebSocket emulator if needed
// To force WebSocket emulator even when native WebSocket available
//window.WEB_SOCKET_FORCE_FLASH = true;
// To enable WebSocket emulator debug:
//window.WEB_SOCKET_DEBUG=1;
if (window.WebSocket && !window.WEB_SOCKET_FORCE_FLASH) {
Websock_native = true;
} else if (window.MozWebSocket && !window.WEB_SOCKET_FORCE_FLASH) {
Websock_native = true;
window.WebSocket = window.MozWebSocket;
} else {
/* no builtin WebSocket so load web_socket.js */
Websock_native = false;
(function () {
window.WEB_SOCKET_SWF_LOCATION = Util.get_include_uri() +
"web-socket-js/WebSocketMain.swf";
if (Util.Engine.trident) {
Util.Debug("Forcing uncached load of WebSocketMain.swf");
window.WEB_SOCKET_SWF_LOCATION += "?" + Math.random();
}
Util.load_scripts(["web-socket-js/swfobject.js",
"web-socket-js/web_socket.js"]);
}());
}
function Websock() {
"use strict";
var api = {}, // Public API
websocket = null, // WebSocket object
mode = 'base64', // Current WebSocket mode: 'binary', 'base64'
rQ = [], // Receive queue
rQi = 0, // Receive queue index
rQmax = 10000, // Max receive queue size before compacting
sQ = [], // Send queue
eventHandlers = {
'message' : function() {},
'open' : function() {},
'close' : function() {},
'error' : function() {}
},
test_mode = false;
//
// Queue public functions
//
function get_sQ() {
return sQ;
}
function get_rQ() {
return rQ;
}
function get_rQi() {
return rQi;
}
function set_rQi(val) {
rQi = val;
}
function rQlen() {
return rQ.length - rQi;
}
function rQpeek8() {
return (rQ[rQi] );
}
function rQshift8() {
return (rQ[rQi++] );
}
function rQunshift8(num) {
if (rQi === 0) {
rQ.unshift(num);
} else {
rQi -= 1;
rQ[rQi] = num;
}
}
function rQshift16() {
return (rQ[rQi++] << 8) +
(rQ[rQi++] );
}
function rQshift32() {
return (rQ[rQi++] << 24) +
(rQ[rQi++] << 16) +
(rQ[rQi++] << 8) +
(rQ[rQi++] );
}
function rQshiftStr(len) {
if (typeof(len) === 'undefined') { len = rQlen(); }
var arr = rQ.slice(rQi, rQi + len);
rQi += len;
return String.fromCharCode.apply(null, arr);
}
function rQshiftBytes(len) {
if (typeof(len) === 'undefined') { len = rQlen(); }
rQi += len;
return rQ.slice(rQi-len, rQi);
}
function rQslice(start, end) {
if (end) {
return rQ.slice(rQi + start, rQi + end);
} else {
return rQ.slice(rQi + start);
}
}
// Check to see if we must wait for 'num' bytes (default to FBU.bytes)
// to be available in the receive queue. Return true if we need to
// wait (and possibly print a debug message), otherwise false.
function rQwait(msg, num, goback) {
var rQlen = rQ.length - rQi; // Skip rQlen() function call
if (rQlen < num) {
if (goback) {
if (rQi < goback) {
throw("rQwait cannot backup " + goback + " bytes");
}
rQi -= goback;
}
//Util.Debug(" waiting for " + (num-rQlen) +
// " " + msg + " byte(s)");
return true; // true means need more data
}
return false;
}
//
// Private utility routines
//
function encode_message() {
if (mode === 'binary') {
// Put in a binary arraybuffer
return (new Uint8Array(sQ)).buffer;
} else {
// base64 encode
return Base64.encode(sQ);
}
}
function decode_message(data) {
//Util.Debug(">> decode_message: " + data);
if (mode === 'binary') {
// push arraybuffer values onto the end
var u8 = new Uint8Array(data);
for (var i = 0; i < u8.length; i++) {
rQ.push(u8[i]);
}
} else {
// base64 decode and concat to the end
rQ = rQ.concat(Base64.decode(data, 0));
}
//Util.Debug(">> decode_message, rQ: " + rQ);
}
//
// Public Send functions
//
function flush() {
if (websocket.bufferedAmount !== 0) {
Util.Debug("bufferedAmount: " + websocket.bufferedAmount);
}
if (websocket.bufferedAmount < api.maxBufferedAmount) {
//Util.Debug("arr: " + arr);
//Util.Debug("sQ: " + sQ);
if (sQ.length > 0) {
websocket.send(encode_message(sQ));
sQ = [];
}
return true;
} else {
Util.Info("Delaying send, bufferedAmount: " +
websocket.bufferedAmount);
return false;
}
}
// overridable for testing
function send(arr) {
//Util.Debug(">> send_array: " + arr);
sQ = sQ.concat(arr);
return flush();
}
function send_string(str) {
//Util.Debug(">> send_string: " + str);
api.send(str.split('').map(
function (chr) { return chr.charCodeAt(0); } ) );
}
//
// Other public functions
function recv_message(e) {
//Util.Debug(">> recv_message: " + e.data.length);
try {
decode_message(e.data);
if (rQlen() > 0) {
eventHandlers.message();
// Compact the receive queue
if (rQ.length > rQmax) {
//Util.Debug("Compacting receive queue");
rQ = rQ.slice(rQi);
rQi = 0;
}
} else {
Util.Debug("Ignoring empty message");
}
} catch (exc) {
if (typeof exc.stack !== 'undefined') {
Util.Warn("recv_message, caught exception: " + exc.stack);
} else if (typeof exc.description !== 'undefined') {
Util.Warn("recv_message, caught exception: " + exc.description);
} else {
Util.Warn("recv_message, caught exception:" + exc);
}
if (typeof exc.name !== 'undefined') {
eventHandlers.error(exc.name + ": " + exc.message);
} else {
eventHandlers.error(exc);
}
}
//Util.Debug("<< recv_message");
}
// Set event handlers
function on(evt, handler) {
eventHandlers[evt] = handler;
}
function init(protocols, ws_schema) {
rQ = [];
rQi = 0;
sQ = [];
websocket = null;
var bt = false,
wsbt = false,
try_binary = false;
// Check for full typed array support
if (('Uint8Array' in window) &&
('set' in Uint8Array.prototype)) {
bt = true;
}
// Check for full binary type support in WebSocket
// Inspired by:
// https://github.com/Modernizr/Modernizr/issues/370
// https://github.com/Modernizr/Modernizr/blob/master/feature-detects/websockets/binary.js
try {
if (bt && ('binaryType' in WebSocket.prototype ||
!!(new WebSocket(ws_schema + '://.').binaryType))) {
Util.Info("Detected binaryType support in WebSockets");
wsbt = true;
}
} catch (exc) {
// Just ignore failed test localhost connections
}
// Default protocols if not specified
if (typeof(protocols) === "undefined") {
if (wsbt) {
protocols = ['binary', 'base64'];
} else {
protocols = 'base64';
}
}
// If no binary support, make sure it was not requested
if (!wsbt) {
if (protocols === 'binary') {
throw("WebSocket binary sub-protocol requested but not supported");
}
if (typeof(protocols) === "object") {
var new_protocols = [];
for (var i = 0; i < protocols.length; i++) {
if (protocols[i] === 'binary') {
Util.Error("Skipping unsupported WebSocket binary sub-protocol");
} else {
new_protocols.push(protocols[i]);
}
}
if (new_protocols.length > 0) {
protocols = new_protocols;
} else {
throw("Only WebSocket binary sub-protocol was requested and not supported.");
}
}
}
return protocols;
}
function open(uri, protocols) {
var ws_schema = uri.match(/^([a-z]+):\/\//)[1];
protocols = init(protocols, ws_schema);
if (test_mode) {
websocket = {};
} else {
websocket = new WebSocket(uri, protocols);
if (protocols.indexOf('binary') >= 0) {
websocket.binaryType = 'arraybuffer';
}
}
websocket.onmessage = recv_message;
websocket.onopen = function() {
Util.Debug(">> WebSock.onopen");
if (websocket.protocol) {
mode = websocket.protocol;
Util.Info("Server chose sub-protocol: " + websocket.protocol);
} else {
mode = 'base64';
Util.Error("Server select no sub-protocol!: " + websocket.protocol);
}
eventHandlers.open();
Util.Debug("<< WebSock.onopen");
};
websocket.onclose = function(e) {
Util.Debug(">> WebSock.onclose");
eventHandlers.close(e);
Util.Debug("<< WebSock.onclose");
};
websocket.onerror = function(e) {
Util.Debug(">> WebSock.onerror: " + e);
eventHandlers.error(e);
Util.Debug("<< WebSock.onerror");
};
}
function close() {
if (websocket) {
if ((websocket.readyState === WebSocket.OPEN) ||
(websocket.readyState === WebSocket.CONNECTING)) {
Util.Info("Closing WebSocket connection");
websocket.close();
}
websocket.onmessage = function (e) { return; };
}
}
// Override internal functions for testing
// Takes a send function, returns reference to recv function
function testMode(override_send, data_mode) {
test_mode = true;
mode = data_mode;
api.send = override_send;
api.close = function () {};
return recv_message;
}
function constructor() {
// Configuration settings
api.maxBufferedAmount = 200;
// Direct access to send and receive queues
api.get_sQ = get_sQ;
api.get_rQ = get_rQ;
api.get_rQi = get_rQi;
api.set_rQi = set_rQi;
// Routines to read from the receive queue
api.rQlen = rQlen;
api.rQpeek8 = rQpeek8;
api.rQshift8 = rQshift8;
api.rQunshift8 = rQunshift8;
api.rQshift16 = rQshift16;
api.rQshift32 = rQshift32;
api.rQshiftStr = rQshiftStr;
api.rQshiftBytes = rQshiftBytes;
api.rQslice = rQslice;
api.rQwait = rQwait;
api.flush = flush;
api.send = send;
api.send_string = send_string;
api.on = on;
api.init = init;
api.open = open;
api.close = close;
api.testMode = testMode;
return api;
}
return constructor();
}

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source/_posts/oztex/viewdata/webutil.js
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/*
* from noVNC: HTML5 VNC client
* Copyright (C) 2012 Joel Martin
* Licensed under MPL 2.0 (see LICENSE.txt)
*
* See README.md for usage and integration instructions.
*/
"use strict";
/*jslint bitwise: false, white: false */
/*global Util, window, document */
// Globals defined here
var WebUtil = {}, $D;
/*
* Simple DOM selector by ID
*/
if (!window.$D) {
window.$D = function (id) {
if (document.getElementById) {
return document.getElementById(id);
} else if (document.all) {
return document.all[id];
} else if (document.layers) {
return document.layers[id];
}
return undefined;
};
}
/*
* ------------------------------------------------------
* Namespaced in WebUtil
* ------------------------------------------------------
*/
// init log level reading the logging HTTP param
WebUtil.init_logging = function(level) {
if (typeof level !== "undefined") {
Util._log_level = level;
} else {
Util._log_level = (document.location.href.match(
/logging=([A-Za-z0-9\._\-]*)/) ||
['', Util._log_level])[1];
}
Util.init_logging();
};
WebUtil.dirObj = function (obj, depth, parent) {
var i, msg = "", val = "";
if (! depth) { depth=2; }
if (! parent) { parent= ""; }
// Print the properties of the passed-in object
for (i in obj) {
if ((depth > 1) && (typeof obj[i] === "object")) {
// Recurse attributes that are objects
msg += WebUtil.dirObj(obj[i], depth-1, parent + "." + i);
} else {
//val = new String(obj[i]).replace("\n", " ");
if (typeof(obj[i]) === "undefined") {
val = "undefined";
} else {
val = obj[i].toString().replace("\n", " ");
}
if (val.length > 30) {
val = val.substr(0,30) + "...";
}
msg += parent + "." + i + ": " + val + "\n";
}
}
return msg;
};
// Read a query string variable
WebUtil.getQueryVar = function(name, defVal) {
var re = new RegExp('[?][^#]*' + name + '=([^&#]*)'),
match = document.location.href.match(re);
if (typeof defVal === 'undefined') { defVal = null; }
if (match) {
return decodeURIComponent(match[1]);
} else {
return defVal;
}
};
/*
* Cookie handling. Dervied from: http://www.quirksmode.org/js/cookies.html
*/
// No days means only for this browser session
WebUtil.createCookie = function(name,value,days) {
var date, expires;
if (days) {
date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
expires = "; expires="+date.toGMTString();
}
else {
expires = "";
}
document.cookie = name+"="+value+expires+"; path=/";
};
WebUtil.readCookie = function(name, defaultValue) {
var i, c, nameEQ = name + "=", ca = document.cookie.split(';');
for(i=0; i < ca.length; i += 1) {
c = ca[i];
while (c.charAt(0) === ' ') { c = c.substring(1,c.length); }
if (c.indexOf(nameEQ) === 0) { return c.substring(nameEQ.length,c.length); }
}
return (typeof defaultValue !== 'undefined') ? defaultValue : null;
};
WebUtil.eraseCookie = function(name) {
WebUtil.createCookie(name,"",-1);
};
/*
* Setting handling.
*/
WebUtil.initSettings = function(callback) {
var callbackArgs = Array.prototype.slice.call(arguments, 1);
if (window.chrome && window.chrome.storage) {
window.chrome.storage.sync.get(function (cfg) {
WebUtil.settings = cfg;
console.log(WebUtil.settings);
if (callback) {
callback.apply(this, callbackArgs);
}
});
} else {
// No-op
if (callback) {
callback.apply(this, callbackArgs);
}
}
};
// No days means only for this browser session
WebUtil.writeSetting = function(name, value) {
if (window.chrome && window.chrome.storage) {
//console.log("writeSetting:", name, value);
if (WebUtil.settings[name] !== value) {
WebUtil.settings[name] = value;
window.chrome.storage.sync.set(WebUtil.settings);
}
} else {
localStorage.setItem(name, value);
}
};
WebUtil.readSetting = function(name, defaultValue) {
var value;
if (window.chrome && window.chrome.storage) {
value = WebUtil.settings[name];
} else {
value = localStorage.getItem(name);
}
if (typeof value === "undefined") {
value = null;
}
if (value === null && typeof defaultValue !== undefined) {
return defaultValue;
} else {
return value;
}
};
WebUtil.eraseSetting = function(name) {
if (window.chrome && window.chrome.storage) {
window.chrome.storage.sync.remove(name);
delete WebUtil.settings[name];
} else {
localStorage.removeItem(name);
}
};
/*
* Alternate stylesheet selection
*/
WebUtil.getStylesheets = function() { var i, links, sheets = [];
links = document.getElementsByTagName("link");
for (i = 0; i < links.length; i += 1) {
if (links[i].title &&
links[i].rel.toUpperCase().indexOf("STYLESHEET") > -1) {
sheets.push(links[i]);
}
}
return sheets;
};
// No sheet means try and use value from cookie, null sheet used to
// clear all alternates.
WebUtil.selectStylesheet = function(sheet) {
var i, link, sheets = WebUtil.getStylesheets();
if (typeof sheet === 'undefined') {
sheet = 'default';
}
for (i=0; i < sheets.length; i += 1) {
link = sheets[i];
if (link.title === sheet) {
Util.Debug("Using stylesheet " + sheet);
link.disabled = false;
} else {
//Util.Debug("Skipping stylesheet " + link.title);
link.disabled = true;
}
}
return sheet;
};

203
source/_posts/oztex/viewdata/wsvdata.js
View File

@@ -1,203 +0,0 @@
function Telnet(target, connect_callback, disconnect_callback) {
var that = {}, // Public API interface
vd, ws, sQ = [];
termType = "Viewdata";
Array.prototype.pushStr = function (str) {
var n = str.length;
for (var i=0; i < n; i++) {
this.push(str.charCodeAt(i));
}
}
function do_send() {
if (sQ.length > 0) {
ws.send(sQ);
sQ = [];
}
}
function do_recv() {
vd.write(ws.rQshiftStr(ws.rQlen()));
}
that.connect = function(host, port, encrypt, url) {
var host = host,
port = port,
scheme = "ws://", uri;
if ((!host) || (!port)) {
console.log("must set host and port");
return;
}
if (ws) {
ws.close();
}
if (encrypt) {
scheme = "wss://";
}
uri = scheme + host + ":" + port + url;
ws.open(uri);
}
that.disconnect = function() {
if (ws) {
ws.close();
}
vd.curs_set(true, false);
disconnect_callback();
}
function constructor() {
/* Initialize Websock object */
ws = new Websock();
ws.on('message', do_recv);
ws.on('open', function(e) {
vd.curs_set(true, true);
connect_callback();
});
ws.on('close', function(e) {
that.disconnect();
});
ws.on('error', function(e) {
that.disconnect();
});
/* Initialize the terminal emulator/renderer */
vd = new VD(40, 24, target);
/*
* Override VD I/O routines
*/
// Set handler for sending characters
vd.getch(
function send_chr(chr, vt) {
var i;
for (i = 0; i < chr.length; i++) {
sQ.push(chr.charCodeAt(i));
}
do_send();
vd.getch(send_chr);
}
);
vd.curs_set = function(vis, grab, eventist)
{
if (vis !== undefined)
this.cursor_vis_ = (vis > 0);
if (eventist === undefined)
eventist = window;
if (grab === true || grab === false) {
if (grab === this.grab_events_)
return;
if (grab) {
this.grab_events_ = true;
VD.the_vt_ = this;
Util.addEvent(eventist, 'keydown', vd.key_down);
Util.addEvent(eventist, 'keyup', vd.key_up);
} else {
Util.removeEvent(eventist, 'keydown', vd.key_down);
Util.removeEvent(eventist, 'keyup', vd.key_up);
this.grab_events_ = false;
VD.the_vt_ = undefined;
}
}
}
vd.key_down = function(e) {
var vt = VD.the_vt_, keysym, ch, str = "";
if (vt === undefined)
return true;
keysym = getKeysym(e);
if (keysym < 128) {
if (e.ctrlKey) {
if (keysym == 64) {
// control 0
ch = 0;
} else if ((keysym >= 97) && (keysym <= 122)) {
// control codes 1-26
ch = keysym - 96;
} else if ((keysym >= 91) && (keysym <= 95)) {
// control codes 27-31
ch = keysym - 64;
}
} else {
ch = keysym;
switch (ch) {
case 34:
ch = 126; break;
case 126:
ch = 0x40; break;
case 64:
ch = 0x22; break;
case 39:
ch = 0x5f; break;
case 95:
ch = 0x23; break;
case 96:
ch = 0x27; break;
}
}
str = String.fromCharCode(ch);
} else {
switch (keysym) {
case 65505: // Shift, do not send directly
break;
case 65507: // Ctrl, do not send directly
break;
case 65293: // Carriage return, line feed
str = '_'; break;
case 65288: // Backspace
str = '\b'; break;
case 65307: // Escape
str = '\x1b'; break;
case 65361: // Left arrow
str = '\x08'; break;
case 65362: // Up arrow
str = '\x0b'; break;
case 65363: // Right arrow
str = '\x09'; break;
case 65364: // Down arrow
str = '\x0a'; break;
}
}
if (str) {
vt.key_buf_.push(str);
setTimeout(VD.go_getch_, 0);
}
Util.stopEvent(e);
return false;
}
vd.key_up = function(e) {
var vt = VD.the_vt_;
if (vt === undefined)
return true;
Util.stopEvent(e);
return false;
}
return that;
}
return constructor(); // Return the public API interface
}