Class: PostRunner::ViewFrame

Inherits:
Object
  • Object
show all
Defined in:
lib/postrunner/ViewFrame.rb

Overview

Creates an HTML frame around the passed object or HTML block.

Instance Method Summary collapse

Constructor Details

#initialize(title, width = 600, content = nil, &block) ⇒ ViewFrame

Create a ViewFrame object.

Parameters:

  • title (String) —

    Title/heading of the framed box

  • width (Fixnum or nil) (defaults to: 600) —

    Width of the frame. Use nil to set no width.

  • content (Any object that respons to to_html) (defaults to: nil) —

    Object to frame

  • &block (HTMLBuilder actions) 


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# File 'lib/postrunner/ViewFrame.rb', line 24

def initialize(title, width = 600, content = nil, &block)
  @title = title
  @content = content
  @block = block
  @width = width
end

Instance Method Details

#to_html(doc) ⇒ Object

Generate the HTML code for the frame and the enclosing content.

Parameters:



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# File 'lib/postrunner/ViewFrame.rb', line 33

def to_html(doc)
  doc.unique(:viewframe_style) {
    # Add the necessary style sheet snippets to the document head.
    doc.head { doc.style(style) }
  }

  attr = { 'class' => 'widget_frame' }
  attr['style'] = "width: #{@width}px" if @width
  doc.div(attr) {
    doc.div({ 'class' => 'widget_frame_title' }) {
      doc.b(@title)
    }
    doc.div {
      # The @content holds an object that must respond to to_html to
      # generate the HTML code.
      if @content
        if @content.is_a?(Array)
          @content.each { |c| c.to_html(doc) }
        else
          @content.to_html(doc)
        end
      end
      # The block generates HTML code directly
      @block.yield if @block
    }
  }
end