Module: RTask::UI::CursesInterface::Attribute

Defined in:
lib/rtask/ui/curses.rb

Overview

Attribute list window.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(obj) ⇒ Object 



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# File 'lib/rtask/ui/curses.rb', line 124

def self.extended(obj)
  obj.instance_eval do
    # doesn't show all
    @show_all = false
    # gem spec
    @spec = parent.spec
    # displayed top item
    @top = 0
    # selected position
    @position = 0
    # width
    @key_width = @spec.attributes.inject(0) do |m, n|
      m > n.to_s.size ? m : n.to_s.size
    end
    # keypad is ok
    keypad(true)
  end
end

Instance Method Details

#attributes ⇒ Object 



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# File 'lib/rtask/ui/curses.rb', line 143

def attributes
  @show_all ? @spec.attributes : @spec.standard
end

#build_gem ⇒ Object

Build the gem.



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# File 'lib/rtask/ui/curses.rb', line 201

def build_gem
  unless RTask::Gem.build(@spec)
    parent.message "You need to fill out all the required fields"
  else
    gemname = "#{@spec.name}-#{@spec.version}.gem"
    parent.message("Created " + gemname)
  end
end

#change ⇒ Object 



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# File 'lib/rtask/ui/curses.rb', line 237

def change
  name = attributes[@position]
  val = parent.spec.send(name)
  res = case @spec.type_of(name)
        when :array
          msg = "#{name.to_s.capitalize}(Split by ',')"
          (parent.input msg, val.join(",")).strip.split(",")
        when :bool
          !val
        when :string
          parent.input name.to_s.capitalize, val
        end
  if name == :dependencies
    parent.spec.dependencies.clear
    res.each {|dep| parent.spec.add_runtime_dependency dep}
  else
    parent.spec.send("#{name}=", res)
  end
  parent.message "Updated '#{name}'"
  @changed = true
end

#down ⇒ Object

Move down.



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# File 'lib/rtask/ui/curses.rb', line 187

def down
  if @position < attributes.size - 1
    @position += 1
    @top += 1 if @position == @top + maxy
  end
end

#draw ⇒ Object 



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# File 'lib/rtask/ui/curses.rb', line 147

def draw
  clear
  @top.upto(@top+maxy-1) do |idx|
    break unless attributes[idx]
    setpos(idx - @top, 0)
    show_attribute(attributes[idx], @position == idx)
  end
  refresh
end

#quit ⇒ Object 



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# File 'lib/rtask/ui/curses.rb', line 227

def quit
  if @changed
    res = ::Curses.keyname(parent.input_char(<<-__Q__.chomp))
Changes are not saved. Quit? (y or n)
    __Q__
    return unless res.upcase == "Y"
  end
  exit
end

#save ⇒ Object 



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# File 'lib/rtask/ui/curses.rb', line 210

def save
  specname = "#{@spec.name}.gemspec"

  # check required attrs
  if Gem::Specification.required_attributes.any? do |sym|
      @spec.send(sym).nil?
    end
    parent.message "You need to fill out all the required fields"
  else
    File.open(specname, "w") do |file|
      file.write @spec.to_ruby
    end
    parent.message "Saved #{specname}"
    @changed = false
  end
end

#show_attribute(name, highlight) ⇒ Object 



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# File 'lib/rtask/ui/curses.rb', line 259

def show_attribute(name, highlight)
  val = @spec.send(name)

  # star
  attron(highlight ? ::Curses::A_UNDERLINE : 0)
  addstr " * "
  addstr name.to_s
  key_width = name.to_s.size

  # required
  if Gem::Specification.required_attribute?(name) and val.nil?
    attron(color(:required)){ addstr " (required)" }
    key_width += 11
  end

  # padding + separator
  addstr " ".rjust(@key_width - key_width + 1)

  # value
  case val
  when Array
    addstr val.join(", ")
  else
    addstr val.to_s
  end unless val.nil?

  attroff(highlight ? ::Curses::A_UNDERLINE : 0)
end

#start ⇒ Object 



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# File 'lib/rtask/ui/curses.rb', line 157

def start
  loop do
    # handles input
    case c = getch
    when ?a; toogle_show_all
    when ?u, ::Curses::KEY_UP     ; up
    when ?d, ::Curses::KEY_DOWN   ; down
    when ?c, ::Curses::KEY_CTRL_J ; change
    when ?b; build_gem
    when ?s; save
    when ?i; IncludedFiles.new(parent.files)
    when ?q; quit
    else
      parent.message "[" + ::Curses.keyname(c).to_s + "]" if $DEBUG
    end

    # redraw
    draw
  end
end

#toogle_show_all ⇒ Object

Show all items.



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# File 'lib/rtask/ui/curses.rb', line 195

def toogle_show_all
  @show_all = !@show_all
  @top, @position = 0, 0
end

#up ⇒ Object

Move up.



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# File 'lib/rtask/ui/curses.rb', line 179

def up
  if @position != 0
    @position -= 1
    @top -= 1 if @top == @position + 1
  end
end