Google Apps Script to turn line breaked text and wiki markup links for UI Services

gistfile1.js

// http://goodoldhacking.blogspot.com/2011/01/workaround-for-html-in-apps-script.html
/**
 * Returns a widget formatted with the text.
 * Modified my mhawksey for inline links
 */
function formatTextPanel(a, text) {
  var app = a ;
  var panel = app.createFlowPanel();
  
  var lines = text.split("\n");
  
  for (var i=0; i<lines.length; i++) {
    var blocks = lines[i].split(/[\[](http.*)[!\]]/g);
    var cleaned = removeLeadingWhiteSpace(lines[i]);
    for (var j=0; j<blocks.length; j++) {
      var p = blocks[j].replace(/[\[\]]/g, '').split(/ /);
      var link = p.shift();
      if (link.substr(0,4)=="http"){
        var label = app.createAnchor((p.length ? p.join(' ') : link),link);
      } else {
        if (blocks[j]!=lines[i]){
          var label = app.createInlineLabel(blocks[j]);
        } else {
          var label = app.createLabel(lines[i]);
        }
      }
      panel.add(label);
    }
    
    if (cleaned[1].length == 0) {
      var label = app.createLabel(cleaned[1]);
      label.setText("-");
      label.setStyleAttribute("visibility", "hidden");
    }
    panel.add(label);
  }
  return panel;
}

/**
 * Remove whitespaces from start and report how many.
 */
function removeLeadingWhiteSpace(text) {
  var i = 0;
  var res = [];
  while (i < text.length && text[i] == ' ') {
    i = i+1;
  }
  res[0] = i;
  res[1] = text.substr(i);
  return res;
}