User:MZMcBride/wordclick.js

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Documentation for this user script can be added at User:MZMcBride/wordclick.

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/*
Proof of anti-concept. This sucks, don't use it.

Bite me, MZM.
*/

if(wgAction == 'view' && wgNamespaceNumber == 0) addOnloadHook(ondblclickBuild)
function ondblclickBuild() {
  var content = document.getElementById('bodyContent') || document.getElementById('content') || document.body
  findTextNodes(content);
  appendCSS('#definediv {position:fixed;top:0;right:0;width:50%;height:50%;border:2px solid black;z-index:10;background-color:#ffffff;padding:1em;margin:2em;display:block;} .ddivclose {float:right;border:1px solid black;}');
}

function findTextNodes(obj) {
  var childs = 0;
  switch (obj.nodeType) {
    case(1): 
      //tag
    break;
    case(3): 
      //txt
      var txt = obj.nodeValue;
      var txts = txt.split(' ');
      obj.nodeValue = '';
      for(var i=0;i<txts.length;i++) {
        if(txts[i].replace(/[\n\r\t\s\[\]]*/ig,'') == '') continue
        var span = document.createElement('span');
        span.className = 'dclick';
        span.appendChild(document.createTextNode(' ' + txts[i] + ' '));
        span.setAttribute('ondblclick','defineMe("' + txts[i] + '")');
        obj.parentNode.insertBefore(span,obj);
      }
    break;
  }
  while(obj.childNodes[childs]) {
    if(obj.className != 'dclick' && obj.tagName != 'A') {
      findTextNodes(obj.childNodes[childs]);
    }
    childs++;
  }
}

function defineMe(word) {
  var content = document.getElementById('content') || document.body
  var div = document.createElement('div');
  div.id = 'definediv';
  var close = document.createElement('a');
  close.setAttribute('href','javascript:killDefdiv()');
  close.className = 'ddivclose';
  close.appendChild(document.createTextNode('close'));
  div.appendChild(close)
  div.appendChild(document.createTextNode('The word "' + word + '" sucks. Don\'t click it.'));
  content.appendChild(div);
}

function killDefdiv() {
  var div = document.getElementById('definediv');
  while(div.firstChild) div.removeChild(div.firstChild);
  div.parentNode.removeChild(div);
}