Class: Term::Table

Inherits:
Object show all
Defined in:
lib/epitools/term.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data, options = {}) ⇒ Table

Returns a new instance of Table.



75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
 
# File 'lib/epitools/term.rb', line 75

def initialize(data, options={})
  @data         = data.map(&:to_s)
  @strip_color = options[:ansi] || options[:colorized] || options[:colored] || options[:strip_color] || options[:strip_ansi]

  if strip_color
    @max_size = @data.map { |e| e.strip_color.size }.max
  else
    @max_size = @data.map(&:size).max
  end

  @indent   = options[:indent]  || 0
  @border   = options[:border]
  @columns  = options[:columns]
  @padding  = options[:padding] || 1

  if (options.keys & [:horiz, :horizontal, :horizontally]).any?
    @direction = :horizontal
  else
    @direction = :vertical
  end

  # Update the terminal size
  @width, @height = Term.size
end

Instance Attribute Details

#border ⇒ Object

TODO:

  • make Table’s configuration eaiser to remember by putting the formatting parameters in initialize eg: Table.new(elements, :sort=>:vertical).to_s



69
70
71
 
# File 'lib/epitools/term.rb', line 69

def border
  @border
end

#columns ⇒ Object

TODO:

  • make Table’s configuration eaiser to remember by putting the formatting parameters in initialize eg: Table.new(elements, :sort=>:vertical).to_s



69
70
71
 
# File 'lib/epitools/term.rb', line 69

def columns
  @columns
end

#height ⇒ Object

TODO:

  • make Table’s configuration eaiser to remember by putting the formatting parameters in initialize eg: Table.new(elements, :sort=>:vertical).to_s



69
70
71
 
# File 'lib/epitools/term.rb', line 69

def height
  @height
end

#indent ⇒ Object

TODO:

  • make Table’s configuration eaiser to remember by putting the formatting parameters in initialize eg: Table.new(elements, :sort=>:vertical).to_s



69
70
71
 
# File 'lib/epitools/term.rb', line 69

def indent
  @indent
end

#padding ⇒ Object

TODO:

  • make Table’s configuration eaiser to remember by putting the formatting parameters in initialize eg: Table.new(elements, :sort=>:vertical).to_s



69
70
71
 
# File 'lib/epitools/term.rb', line 69

def padding
  @padding
end

#strip_color ⇒ Object

TODO:

  • make Table’s configuration eaiser to remember by putting the formatting parameters in initialize eg: Table.new(elements, :sort=>:vertical).to_s



69
70
71
 
# File 'lib/epitools/term.rb', line 69

def strip_color
  @strip_color
end

#width ⇒ Object

TODO:

  • make Table’s configuration eaiser to remember by putting the formatting parameters in initialize eg: Table.new(elements, :sort=>:vertical).to_s



69
70
71
 
# File 'lib/epitools/term.rb', line 69

def width
  @width
end

Class Method Details

.[](data) ⇒ Object 



71
72
73
 
# File 'lib/epitools/term.rb', line 71

def self.[](data)
  self.new(data)
end

Instance Method Details

#column_order ⇒ Object 



111
112
113
114
115
116
117
118
 
# File 'lib/epitools/term.rb', line 111

def column_order
  cols = []
  @data.each_slice(num_rows) { |col| cols << col }
  if (diff = cols.first.size - cols.last.size) > 0
    cols.last.concat [''] * diff
  end
  cols.transpose
end

#display ⇒ Object

(opts={})



150
151
152
153
154
155
156
157
 
# File 'lib/epitools/term.rb', line 150

def display #(opts={})
  case @direction
  when :horizontal
    puts in_rows
  when :vertical
    puts in_columns
  end
end

#in_columns ⇒ Object Also known as: by_columns 



138
139
140
141
 
# File 'lib/epitools/term.rb', line 138

def in_columns
  return '' if @data.empty?
  render sliced_into(num_rows).transpose
end

#in_rows ⇒ Object Also known as: by_rows 



144
145
146
147
 
# File 'lib/epitools/term.rb', line 144

def in_rows
  return '' if @data.empty?
  render sliced_into(num_columns)
end

#num_columns ⇒ Object 



100
101
102
103
104
105
 
# File 'lib/epitools/term.rb', line 100

def num_columns
  return @columns if @columns
  w = @width
  w -= indent
  (w-2) / (@max_size + @padding)
end

#num_rows ⇒ Object 



107
108
109
 
# File 'lib/epitools/term.rb', line 107

def num_rows
  (@data.size / num_columns.to_f).ceil
end

#render(rows, options = {}) ⇒ Object 



163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
 
# File 'lib/epitools/term.rb', line 163

def render(rows, options={})
  num_cols  = rows.first.size
  result    = []

  if @border
    separator = "+#{(["-" * @max_size] * num_cols).join('+')}+"
    result << separator
  end

  for row in rows

    justified = row.map do |e|
      if (diff = @max_size - e.strip_color.size) > 0
        e = e + (" " * diff)
      end
      e
    end

    if @border
      line = "|#{justified.join('|')}|"
    else
      line = justified.join(' '*@padding)
    end

    result << (" "*indent) + line
  end

  result << separator if @border

  result.join("\n")
end

#row_order ⇒ Object 



120
121
122
123
124
125
126
127
 
# File 'lib/epitools/term.rb', line 120

def row_order
  rows = []
  @data.each_slice(num_columns) { |row| rows << row }
  if (diff = rows.first.size - rows.last.size) > 0
    rows.last.concat [''] * diff
  end
  rows
end

#sliced_into(n) ⇒ Object 



129
130
131
132
133
134
135
136
 
# File 'lib/epitools/term.rb', line 129

def sliced_into(n)
  elems = []
  @data.each_slice(n) { |e| elems << e }
  if (diff = elems.first.size - elems.last.size) > 0
    elems.last.concat [''] * diff
  end
  elems
end

#to_s ⇒ Object 



159
160
161
 
# File 'lib/epitools/term.rb', line 159

def to_s
  by_rows
end