Allura/allura/lib/widgets/resources/js/jqfontselector.js

/**
* Font selector plugin
* turns an ordinary input field into a list of web-safe fonts
* Usage: $('select').fontSelector();
*
* Author     : James Carmichael
* Website    : www.siteclick.co.uk
* License    : MIT
*/
jQuery.fn.fontSelector = function() {

  var fonts = new Array(
'Arial,Arial,Helvetica,sans-serif',
'Arial Black,Arial Black,Gadget,sans-serif',
'Comic Sans MS,Comic Sans MS,cursive',
'Courier New,Courier New,Courier,monospace',
'Georgia,Georgia,serif',
'Impact,Charcoal,sans-serif',
'Lucida Console,Monaco,monospace',
'Lucida Sans Unicode,Lucida Grande,sans-serif',
'Palatino Linotype,Book Antiqua,Palatino,serif',
'Tahoma,Geneva,sans-serif',
'Times New Roman,Times,serif',
'Trebuchet MS,Helvetica,sans-serif',
'Verdana,Geneva,sans-serif' );
 
  return this.each(function(){

    // Get input field
    var sel = this;

    // Add a ul to hold fonts
    var ul = $('<ul class="fontselector"></ul>');
    $('body').prepend(ul);
    $(ul).hide();

    jQuery.each(fonts, function(i, item) {
      
      $(ul).append('<li><a href="#" class="font_' + i + '" style="font-family: ' + item + '">' + item.split(',')[0] + '</a></li>');

      // Prevent real select from working
      $(sel).focus(function(ev) {

        ev.preventDefault();

        // Show font list
        $(ul).show();
        
        // Position font list
        $(ul).css({ top:  $(sel).offset().top + $(sel).height() + 4,
                    left: $(sel).offset().left});

        // Blur field
        $(this).blur();
        return false;
      });


      $(ul).find('a').click(function() {
        var font = fonts[$(this).attr('class').split('_')[1]];
        $(sel).val(font);
        $(ul).hide();
        return false;
      });
    });

    var cust_input = $('<input type="text" name="custom_font">').attr('value', $(sel).val()).bind('keydown', function (event) {
      if (event.keyCode === 13) {
        $(sel).val($(this).val());
        $(ul).hide();
      }
      if (event.keyCode === 27) {
        $(ul).hide();
      }
    });
    var li = $('<li>');
    li.append(cust_input);
    $(ul).append(li);
  });

}