Class: Rfd::FilterInput

Inherits:
Object
  • Object
show all
Defined in:
lib/rfd/filter_input.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(&on_change) ⇒ FilterInput

Returns a new instance of FilterInput.



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# File 'lib/rfd/filter_input.rb', line 7

def initialize(&on_change)
  @text = ''
  @on_change = on_change
end

Instance Attribute Details

#text ⇒ Object

Returns the value of attribute text.



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# File 'lib/rfd/filter_input.rb', line 5

def text
  @text
end

Instance Method Details

#append(char) ⇒ Object 



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# File 'lib/rfd/filter_input.rb', line 24

def append(char)
  @text += char
  @on_change&.call
end

#backspace ⇒ Object 



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# File 'lib/rfd/filter_input.rb', line 18

def backspace
  return if @text.empty?
  @text = @text[0..-2]
  @on_change&.call
end

#clear ⇒ Object 



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# File 'lib/rfd/filter_input.rb', line 12

def clear
  return if @text.empty?
  @text = ''
  @on_change&.call
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rfd/filter_input.rb', line 29

def empty?
  @text.empty?
end

#fuzzy_match?(text, pattern = @text) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rfd/filter_input.rb', line 65

def fuzzy_match?(text, pattern = @text)
  return true if pattern.empty?
  pattern_chars = pattern.downcase.chars
  text_lower = text.downcase
  pattern_index = 0

  text_lower.each_char do |char|
    if char == pattern_chars[pattern_index]
      pattern_index += 1
      return true if pattern_index >= pattern_chars.length
    end
  end
  false
end

#handle_input(c) ⇒ Object

Handle input, return true if handled



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# File 'lib/rfd/filter_input.rb', line 34

def handle_input(c)
  case c
  when 8, 127, Curses::KEY_BACKSPACE, Curses::KEY_DC  # Backspace/Delete
    backspace
    true
  when 21  # Ctrl-U - clear
    clear
    true
  when String
    append(c)
    true
  when Integer
    if c >= 32 && c <= 126  # Printable ASCII
      append(c.chr)
      true
    else
      false
    end
  else
    false
  end
end

#render(window, row, max_width) ⇒ Object 



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# File 'lib/rfd/filter_input.rb', line 57

def render(window, row, max_width)
  window.setpos(row, 1)
  window.attron(Curses::A_BOLD) do
    prompt = "> #{@text}_"
    window.addstr(prompt[0, max_width].ljust(max_width))
  end
end