Class: TTY::Draft

Inherits:
Object
  • Object
show all
Defined in:
lib/tty-draft.rb

Constant Summary collapse

VERSION = 
'0.1.2'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(prompt: ->(n){''}) ⇒ Draft

Returns a new instance of Draft.



10
11
12
13
 
# File 'lib/tty-draft.rb', line 10

def initialize(prompt: ->(n){''})
  @prompt = prompt
  new_draft
end

Instance Attribute Details

#done ⇒ Object (readonly)

Returns the value of attribute done.



8
9
10
 
# File 'lib/tty-draft.rb', line 8

def done
  @done
end

Instance Method Details

#gets ⇒ Object 



15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/tty-draft.rb', line 15

def gets
  reader = Reader.new
  reader.subscribe(self)
  live = Live.new

  live.update(edited)
  loop do
    reader.read_char
    if done
      live.update(edited)
      reader.unsubscribe(self)
      puts live.show
      return to_string(@chars).tap{new_draft}
    end
    live.update(editing)
    print live.hide
  end
end

#keypress(event) ⇒ Object 



34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
 
# File 'lib/tty-draft.rb', line 34

def keypress(event)
  @done = false
  case event.key.name
  when :ctrl_d, :ctrl_z
    history << @chars
    @done = true
  when :backspace
    if @col > 0
      @col -= 1
      return delete_char
    end
    if @row > 0
      @col = @chars[@row - 1].size
      @chars[@row - 1] += delete_row
      return @row -= 1
    end
  when :delete
    return delete_char if @col < current_row.size
    @chars[@row] = current_row + ((@row += 1) && delete_row.tap{@row -= 1})
  when :left
    return @col -= 1 if @col > 0
    return if @row <= 0
    @row -= 1
    @col = current_row.size
  when :right
    return @col += 1 if @col < current_row.size
    return if (@row + 1) >= @chars.size
    @row += 1
    @col = 0
  when :up
    if @row > 0
      @row -= 1
      return fix_col
    end
    if @work > 0
      return load_history(@work -= 1)
    end
  when :down
    if (@row + 1) < @chars.size
      @row += 1
      return fix_col
    end
    if @work + 1 < @workspaces.size
      return load_history(@work += 1)
    end
  when :home, :ctrl_a
    @col = 0
  when :end, :ctrl_e
    @col = current_row.size
  when :return
    insert_row
  else
    return insert_row if event.value == "\n"
    current_row.insert(@col, event.value)
    @col += 1
  end
end