Class: Chamomile::Layout::Panel

Inherits:
Base
  • Object
show all
Defined in:
lib/chamomile/layout/panel.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(title: nil, width: nil, border: :rounded, color: nil, focused: false) ⇒ Panel

Returns a new instance of Panel.



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# File 'lib/chamomile/layout/panel.rb', line 19

def initialize(title: nil, width: nil, border: :rounded, color: nil, focused: false)
  @title    = title
  @width    = width
  @border   = border
  @color    = color || (focused ? "#7d56f4" : "#444444")
  @focused  = focused
  @children = []
end

Instance Attribute Details

#children ⇒ Object (readonly)

Returns the value of attribute children.



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# File 'lib/chamomile/layout/panel.rb', line 6

def children
  @children
end

Class Method Details

.border_map ⇒ Object 



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# File 'lib/chamomile/layout/panel.rb', line 8

def self.border_map
  @border_map ||= {
    rounded: Chamomile::Border::ROUNDED,
    normal:  Chamomile::Border::NORMAL,
    thick:   Chamomile::Border::THICK,
    double:  Chamomile::Border::DOUBLE,
    ascii:   Chamomile::Border::ASCII,
    none:    nil,
  }.freeze
end

Instance Method Details

#add(child) ⇒ Object 



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# File 'lib/chamomile/layout/panel.rb', line 28

def add(child)
  @children << child
  self
end

#explicit_width? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chamomile/layout/panel.rb', line 33

def explicit_width?
  !@width.nil?
end

#render(width:, height:) ⇒ Object 



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# File 'lib/chamomile/layout/panel.rb', line 47

def render(width:, height:)
  my_width     = resolved_width(width)
  inner_width  = [my_width - 2, 0].max
  inner_height = [height - 2, 0].max

  inner_content = @children.map { |c| c.render(width: inner_width, height: inner_height) }.join("\n")

  style = Chamomile::Style.new
    .width(my_width)
    .height(height)
    .border_foreground(@color)

  border_preset = self.class.border_map[@border] || Chamomile::Border::ROUNDED
  style = style.border(border_preset) if border_preset

  if @title && border_preset
    rendered = style.render(inner_content)
    inject_title(rendered, @title, @color)
  else
    style.render(inner_content)
  end
end

#resolved_width(available_width) ⇒ Object 



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# File 'lib/chamomile/layout/panel.rb', line 37

def resolved_width(available_width)
  return available_width unless @width
  if @width.is_a?(String) && @width.end_with?("%")
    pct = @width.to_f / 100.0
    (available_width * pct).to_i
  else
    @width.to_i
  end
end