Layouts

This document only applies when using https://github.com/gobuffalo/buffalo/render.
Please see github.com/gobuffalo/plush for more details on the underlying templating package.

Using a Standard Layout

It is quite common to want to use the same layout across most, if not all of an application. When creating a new render.Engine the HTMLLayout property can be set to a file that will automatically be used by the render.HTML function.

// actions/render.go
var r *render.Engine

func init() {
  r = render.New(render.Options{
    // ...
    HTMLLayout:     "application.html",
    // ...
  })
}
// templates/application.html
<html>
  <head>
    <title>My App
  </head>
  <body>
    <div id="main">
      <%= yield %>
    </div>
  </body>
</html>
// templates/hello.html
<h1>Hello!!
// actions/hello.go
package actions

func Hello(c buffalo.Context) error {
  return c.Render(200, r.HTML("hello.html"))
}
// output
<html>
  <head>
    <title>My App
  </head>
  <body>
    <div id="main">
      <h1>Hello!!
    </div>
  </body>
</html>

Using a Custom Layout

Sometimes, on certain requests, a different layout is needed. This alternate layout can be passed in as the second parameter to render.HTML.

// actions/render.go
var r *render.Engine

func init() {
  r = render.New(render.Options{
    // ...
    HTMLLayout:     "application.html",
    // ...
  })
}
// templates/custom.html
<html>
  <head>
    <title>My Custom Layout</title>
  </head>
  <body>
    <div id="main">
      <%= yield %>
    </div>
  </body>
</html>
// templates/hello.html
<h1>Hello!!</h1>
// actions/hello.go
package actions

func Hello(c buffalo.Context) error {
  return c.Render(200, r.HTML("hello.html", "custom.html"))
}
// output
<html>
  <head>
    <title>My Custom Layout</title>
  </head>
  <body>
    <div id="main">
      <h1>Hello!!
    </div>
  </body>
</html>

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