CountZero's scratchpad

Public Scratchpad
<script>
var headID = document.getElementsByTagName("head")`[0`];         
var cssNode = document.createElement('link');
cssNode.type = 'text/css';
cssNode.rel = 'stylesheet';
cssNode.href = 'http://datenzoo.de/pub/prettify-jaap.css';
cssNode.media = 'screen';
headID.appendChild(cssNode);
</script>
<script type="text/javascript" src="http://datenzoo.de/pub/prettify-ja
+ap.js"></script>

<p>
<form>
<input type="text" size="15" id="viewer_replaceTextSpec" value="s/\n\n
++/\n&lt;p&gt;/g; s/\&#x5b/&amp;#x5b;/g; s/\&#x5d;/&amp;#x5d;/">
<input type="button" value="Subst" id="viewer_replaceTextButton">
</form>
<script type="text/javascript"><!--
function viewer_replaceText() {
    var spec = document.getElementById("viewer_replaceTextSpec").value
+;
    var parser = /\s*s\s*(\S)((?:[^\\]|\\.)*?)\1((?:[^\\]|\\.)*?)\1(\w
+*)\s*;?\s*|(.+)/g ;
    var parseE = {};
    var pairs = [];
    while (fret = parser.exec(spec)) {
        if (undefined != fret[5]) {
            window.alert("Error parsing substitution list, remaining: 
+" + fret[5]);
            return;
        } else {
            pairs.push([new RegExp(fret[2], fret[4]), fret[3]]);
        }
    };
    if (!pairs) {
        window.alert("Warning: no substitution patterns given.");
    }
    var textarea = document.getElementsByTagName("textarea")[0];
    var text = new String(textarea.value);
    var nmatches = 0;
    pairs.forEach(function(pair) {
        var lh = pair[0];
        var rh = pair[1];
        text = text.replace(lh, function(whole) {
            nmatches++;
            var captures = arguments;
            var rp = rh.replace( /(\\(?:u\w{1,4}|x\w{1,2}|\d{1,3}|.))|
+(\$\&)|\$(\d+)|\$\{(\d+)\}/g, function(rNone, rBs, rWhole, rCapture, 
+rCapture2) {
                var t;
                if (rBs.length) { t = eval('"'+rBs+'"'); }
                else if (rWhole.length) { t = whole; }
                else if (rCapture.length) { t = captures[rCapture-0]; 
+}
                else if (rCapture2.length) { t = captures[rCapture2-0]
+; }
                if (undefined == t) return "";
                return t;
            });
            return rp;
        });
    })
    //window.alert(text);
    textarea.value = text;
    window.alert("Replaced " + nmatches + " matches.");
}
var btn = document.getElementById("viewer_replaceTextButton");
var stdEventQueue = window.addEventListener;
if (stdEventQueue) {
    btn.addEventListener("click", function(e) { viewer_replaceText(); 
+}, false);
} else {
    btn.attachEvent("onclick", function(e) { viewer_replaceText(); });
+    
}
//-->
</script>

<script type="text/javascript">

// A lot of code was taken from 
// Dunn By Paul's http://dunnbypaul.net/js_mouse/

var mousex = 0;
var mousey = 0;
var grabx  = 0;
var graby  = 0;
var orix   = 600;
var oriy   = 0;
var elex   = 0;
var eley   = 0;

var cb_mz = false;
var cb_dt = /cbdt=1/.test(document.cookie) ? true : false;

if(/cbxy=(\d+)-(\d+)/.test(document.cookie)) {
  orix = RegExp.$1;
  oriy = RegExp.$2;
}

if (cb_dt) {
  document.write('<style type="text/css">');
  document.write('#Chatterbox{position:fixed;left:'+orix+'px;top:'+ori
+y+'px;width:300px;border:solid 1px red;z-index:10;}');
  document.write('</style>');
}

var dragobj = null;
var cb = null;
var cb_btn_tgl;
var cb_btn_det;

function falsefunc(){return false;}

function cb_toggle() {
  cb_mz = !cb_mz;
  cb.childNodes`[3`].childNodes`[0`].style.display = cb_mz ? 'none' : 
+'';
  cb_btn_tgl.innerHTML =  cb_mz ? '`[+`]' : '`[&ndash;`]';
}

function cb_detach() {
  cb_dt = !cb_dt;
  cb_btn_det.innerHTML =  cb_dt ? '`[v`]' : '`[^`]';
  document.cookie='cbdt='+(cb_dt ? '1' : '0');
  if (cb_dt) {
    cb.style.position = 'fixed';
    cb.style.borderStyle = 'solid';
    cb.style.borderWidth = '1px';
    cb.style.borderColor = 'red';
    cb.style.width = '300px';
    cb.childNodes`[1`].childNodes`[0`].style.width = '300px';
    cb.style.left = (orix).toString(10) + 'px';
    cb.style.top  = (oriy).toString(10) + 'px';
  }
  else {
    cb.style.position = "static";
    cb.style.left = '0px';
    cb.style.top  = '0px';
  }
}

function cb_init()
{
  cb = document.getElementById('Chatterbox');
  cb.childNodes`[1`].onmousedown = grab;
  cb.childNodes`[1`].style.cursor = 'pointer';

  if(cb_dt)
    cb.childNodes`[1`].childNodes`[0`].style.width = '300px';

  var elem =document.createElement('SPAN');
  elem.innerHTML='&nbsp;';
  cb.childNodes`[1`].childNodes`[0`].appendChild(elem);

  cb_btn_tgl=document.createElement('SPAN');
  cb_btn_tgl.innerHTML='`[&ndash;`]';
  cb.childNodes`[1`].childNodes`[0`].appendChild(cb_btn_tgl);
  cb_btn_tgl.onclick=cb_toggle;

  cb_btn_det=document.createElement('SPAN');
  cb_btn_det.innerHTML='`['+(cb_dt?'v':'^')+'`]';
  cb.childNodes`[1`].childNodes`[0`].appendChild(cb_btn_det);
  cb_btn_det.onclick=cb_detach;
  document.onmousemove = update; 
  update();
}

function getMouseXY(e)
{ 
  if (!e) e = window.event;

  if (e)
  { 
    if (e.pageX || e.pageY)
    {
      mousex = e.pageX;
      mousey = e.pageY;
    }
    else if (e.clientX || e.clientY)
    {
      mousex = e.clientX + document.body.scrollLeft;
      mousey = e.clientY + document.body.scrollTop;
    }  
  }
}

function update(e)
{
  getMouseXY(e);
}

function grab(context)
{
  if (!cb_dt) return;
  context = document.getElementById('Chatterbox');
  document.onmousedown = falsefunc; 
  dragobj = context;
  document.onmousemove = drag;
  document.onmouseup = drop;
  grabx = mousex;
  graby = mousey;
  elex = orix = dragobj.offsetLeft;
  eley = oriy = dragobj.offsetTop;
  update();
}

function drag(e)
{
  if (dragobj)
  {
    elex = orix + (mousex-grabx);
    eley = oriy + (mousey-graby);
    dragobj.style.left = (elex).toString(10) + 'px';
    dragobj.style.top  = (eley).toString(10) + 'px';
    document.cookie='cbxy='+(elex).toString(10)+'-'+(eley).toString(10
+);
  }
  update(e);
  return false;
}

function drop()
{
  dragobj = null;
  update();
  document.onmousemove = update;
  document.onmouseup = null;
  document.onmousedown = null;
}
setTimeout('cb_init()',500);

</script>
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