Class: Potty::Widgets::InputItem

Inherits:
ListItem
  • Object
show all
Defined in:
lib/potty/widgets/list_item.rb

Overview

Text input item - allows inline text editing

Instance Attribute Summary collapse

Attributes inherited from ListItem

#color, #text, #value

Instance Method Summary collapse

Methods inherited from ListItem

#activate, #disabled?, #render_custom

Constructor Details

#initialize(label, default: "", &on_submit) ⇒ InputItem

Returns a new instance of InputItem.



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# File 'lib/potty/widgets/list_item.rb', line 66

def initialize(label, default: "", &on_submit)
  super(label)
  @input_value = default
  @on_submit = on_submit
  @cursor_pos = @input_value.length
end

Instance Attribute Details

#input_value ⇒ Object

Returns the value of attribute input_value.



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# File 'lib/potty/widgets/list_item.rb', line 64

def input_value
  @input_value
end

Instance Method Details

#display_text ⇒ Object 



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# File 'lib/potty/widgets/list_item.rb', line 73

def display_text
  cursor = "_"
  "#{@text}: #{@input_value}#{cursor}"
end

#handle_key(ch) ⇒ Object 



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# File 'lib/potty/widgets/list_item.rb', line 78

def handle_key(ch)
  case ch
  when *Keys::ENTERS
    @on_submit&.call(@input_value)
    true
  when *Keys::BACKSPACES
    if @cursor_pos > 0
      @input_value[@cursor_pos - 1] = ''
      @cursor_pos -= 1
    end
    true
  when Keys::LEFT
    @cursor_pos = [@cursor_pos - 1, 0].max
    true
  when Keys::RIGHT
    @cursor_pos = [@cursor_pos + 1, @input_value.length].min
    true
  when Keys::SPACE..(Keys::DEL_ASCII - 1)  # Printable ASCII
    @input_value.insert(@cursor_pos, ch.chr)
    @cursor_pos += 1
    true
  else
    false
  end
end