handlebars.helpers.js

//generic tag helpers
Handlebars.registerHelper('generic_tag', function(tag, text, options) {
  var attrs = [];

  for(var prop in options.hash) { attrs.push(prop + '="' + options.hash[prop] + '"'); }

  return new Handlebars.SafeString( "<" + tag + " " + attrs.join(" ") + ">" + text + "</" + tag + ">" );
});

Handlebars.registerHelper('generic_selfclosing_tag', function(tag, options) {
  var attrs = [];

  for(var prop in options.hash) { attrs.push(prop + '="' + options.hash[prop] + '"'); }

  return new Handlebars.SafeString( "<" + tag + " " + attrs.join(" ") + " />" );
});

//shortcuts for common tags
Handlebars.registerHelper('link_to', function(text, options) {
  var attrs = [];

  for(var prop in options.hash) { attrs.push(prop + '="' + options.hash[prop] + '"'); }

  return new Handlebars.SafeString( "<a " + attrs.join(" ") + ">" + text + "</a>" );
});

Handlebars.registerHelper('img_tag', function(options) {
  var attrs = [];

  for(var prop in options.hash) { attrs.push(prop + '="' + options.hash[prop] + '"'); }

  return new Handlebars.SafeString( "<img " + attrs.join(" ") + " />" );
});

//simple wrapper for swf_object
Handlebars.registerHelper('swf_object_helper', function(options) {
  var attrs = [], param_order = [
    'path', 'id', 'width', 'height', 'version', 'install_path', 'flash_vars', 'params', 'attributes', 'callbacks'
  ],
  defaults = {
    path: "",
    id: "",
    width: "100%",
    height: "100%",
    version: "9.0.0",
    install_path: "/express_install.swf",
    flash_vars: "{}",
    attributes: "{}",
    callbacks: null
  };

  for (var i = param_order.length - 1; i >= 0; i--) {
    var param = param_order[i];
    attrs.push("'" + options[param].length > 0 ? options[param] : defaults[param] + "'");
  };

  return new Handlebars.SafeString("<script type='text/javascript'>swfobject.embedSWF(" +  attrs.join(", ") + ")</scipt>");
});