// Configuration
Dictionary = {
  container_id: 'paragrafen',
  nodes_per_batch: 1000,
  class_name: 'term',
  load_condition: function() {
    return document.body.className.indexOf('verhalen') != -1
  }
}

// Executes the highlighter on a particular element with a dictionary
Dictionary.execute = function(elem, dict) {
  // build a regexp for the words in the dictionary
  var words = new Array();
  var definitions = {};
  for(var i=0; i<dict.length; i++) {
    word = dict[i].text.toLowerCase();
    words.push(word);
    definitions[word] = dict[i].intro;
  }
  query = new RegExp('\\b'+words.join('\\b|\\b')+'\\b','i');

  // define a function that processes a textnode
  var processor = function(node) {
    var match = query.exec(node.data);
    if (match) {
      var val = match[0];

      var before = node.splitText(match.index);
      var after = before.splitText(val.length);
      var link = node.ownerDocument.createElement('a');
      node.parentNode.replaceChild(link, before);
      link.className = Dictionary.class_name;
      link.setAttribute('href','#');
      link.setAttribute('title',definitions[val.toLowerCase()]);
      Spif.DOMEvents.attach(link,"click", Dictionary.popup, Dictionary);
      link.appendChild(before);
      return link;
    } else {
      return node;
    }
  };

  // walk the elements under elem and apply the processor
  Dictionary.walkElements(elem.childNodes[0], 1, processor);
}

// Applies textproc to every (real) textnode starting with node
Dictionary.walkElements = function(node, depth, textproc) {
  var skipre = /^(script|style|textarea)/i;
  var count = 0;
  while (node && depth > 0) {
    count ++;
    if (count >= Dictionary.nodes_per_batch) {
      var handler = function() {
        Dictionary.walkElements(node, depth, textproc);
      };
      setTimeout(handler, 50);
      return;
    }

    if (node.nodeType == 1) { // ELEMENT_NODE
      if (!skipre.test(node.tagName) && node.childNodes.length > 0) {
        node = node.childNodes[0];
        depth ++;
        continue;
      }
    } else if (node.nodeType == 3) { // TEXT_NODE
      node = textproc(node);
    }

    if (node.nextSibling) {
      node = node.nextSibling;
    } else {
      while (depth > 0) {
        node = node.parentNode;
        depth--;
        if (node.nextSibling) {
          node = node.nextSibling;
          break;
        }
      }
    }
  }
};


Dictionary.load = function() {
  if(Dictionary.load_condition()) {
    var q42dictionary = [];
    
  function _d(s,s2) {
    q42dictionary[q42dictionary.length]={text:s,intro:s2};
  }  
  
_d(
  "Vol d'oiseau",
  "Vogelvluchtperspectief    "
);

_d(
  "Boussole",
  "Hoekmeetinstrument    "
);

_d(
  "Morgentalen",
  "Voorloper van kadaster"
);

_d(
  "Prekadastrale kaart",
  "Voorloper van de kadastrale kaart   "
);

_d(
  "Calque",
  "Vervaardigd op kalkpapier"
);

_d(
  "Baggeren",
  "Het verwijderen van zand, slib en andere lagen van de waterbodem, om waterwegen bevaarbaar en havens bereikbaar te houden    "
);

_d(
  "Cirkel van Dou",
  "Hoekmeetinstrument"
);

_d(
  "Griend",
  "Een griend is een bos of akker, op een moerasachtige ondergrond. Van oudsher worden er wilgen en riet aangeplant, die gebruikt werden voor het maken van meubilair, manden, bezems etc.    "
);

_d(
  "Nieuw woord",
  "Korte intro"
);

_d(
  "Snaphaan",
  "Soort geweer"
);


    var el = document.getElementById(Dictionary.container_id);
    if(el)
      Dictionary.execute(el,q42dictionary);
  }
}

Dictionary.popup = function(event, win, doc, span, txt) {
  var w = 450;
  var h = 500;
  var t = (parseInt(self.screen.height)/2) - h/2;
  var l = (parseInt(self.screen.width)/2) - w/2;
  var popup = window.open("/woordenboek/showterm.asp?txt="+win.innerHTML, "_dictionaryTerm", "toolbar=no,status=no,resizable=no,top="+t+",left="+l+",width="+w+",height="+h);  popup.focus();
}

// Trigger the dictionary using the onload handler.
if (window.attachEvent) {
  window.attachEvent('onload', Dictionary.load);
} else if (window.addEventListener) {
  window.addEventListener('load', Dictionary.load, false);
} else {
  var __onload = window.onload;
  window.onload = function() {
    Dictionary.load();
    __onload();
  };
}