Class: PWKeep::EditorApplication

Inherits:
Object
  • Object
show all
Defined in:
lib/pwkeep/editor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data, options) ⇒ EditorApplication

Returns a new instance of EditorApplication.



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# File 'lib/pwkeep/editor.rb', line 36

def initialize(data, options)
  @options = Ruco::OptionAccessor.new(options)
  @data = data

  setup_actions
  setup_keys
  create_components
end

Instance Attribute Details

#command ⇒ Object (readonly)

Returns the value of attribute command.



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# File 'lib/pwkeep/editor.rb', line 34

def command
  @command
end

#editor ⇒ Object (readonly)

Returns the value of attribute editor.



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# File 'lib/pwkeep/editor.rb', line 34

def editor
  @editor
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/pwkeep/editor.rb', line 34

def options
  @options
end

#status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/pwkeep/editor.rb', line 34

def status
  @status
end

Instance Method Details

#action(name, &block) ⇒ Object 



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# File 'lib/pwkeep/editor.rb', line 120

def action(name, &block)
  @actions[name] = block
end

#ask(question, options = {}, &block) ⇒ Object 



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# File 'lib/pwkeep/editor.rb', line 124

def ask(question, options={}, &block)
  @focused = command
  command.ask(question, options) do |response|
    @focused = editor
    block.call(response)
  end
end

#bind(key, action = nil, &block) ⇒ Object 



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# File 'lib/pwkeep/editor.rb', line 114

def bind(key, action=nil, &block)
  raise "Ctrl+m cannot be bound" if key == :"Ctrl+m" # would shadow enter -> bad
  raise "Cannot bind an action and a block" if action and block
  @bindings[key] = action || block
end

#configure(&block) ⇒ Object 



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# File 'lib/pwkeep/editor.rb', line 139

def configure(&block)
  instance_exec(&block)
end

#cursor ⇒ Object 



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# File 'lib/pwkeep/editor.rb', line 57

def cursor
  Ruco::Position.new(@focused.cursor.line + @status_lines, @focused.cursor.column)
end

#display_info ⇒ Object 



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# File 'lib/pwkeep/editor.rb', line 45

def display_info
  [view, style_map, cursor]
end

#key(key) ⇒ Object

user typed a key



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# File 'lib/pwkeep/editor.rb', line 62

def key(key)
  # deactivate select_mode if its not re-enabled in this action
  @select_mode_was_on = @select_mode
  @select_mode = false

  if bound = @bindings[key]
    return execute_action(bound)
  end

  case key

  # move
  when :down then move_with_select_mode :relative, 1,0
  when :right then move_with_select_mode :relative, 0,1
  when :up then move_with_select_mode :relative, -1,0
  when :left then move_with_select_mode :relative, 0,-1
  when :page_up then move_with_select_mode :page_up
  when :page_down then move_with_select_mode :page_down
  when :"Ctrl+right", :"Alt+f" then move_with_select_mode :jump, :right
  when :"Ctrl+left", :"Alt+b" then move_with_select_mode :jump, :left

  # select
  when :"Shift+down" then @focused.selecting { move(:relative, 1, 0) }
  when :"Shift+right" then @focused.selecting { move(:relative, 0, 1) }
  when :"Shift+up" then @focused.selecting { move(:relative, -1, 0) }
  when :"Shift+left" then @focused.selecting { move(:relative, 0, -1) }
  when :"Ctrl+Shift+left", :"Alt+Shift+left" then @focused.selecting{ move(:jump, :left) }
  when :"Ctrl+Shift+right", :"Alt+Shift+right" then @focused.selecting{ move(:jump, :right) }
  when :"Shift+end" then @focused.selecting{ move(:to_eol) }
  when :"Shift+home" then @focused.selecting{ move(:to_bol) }


  # modify
  when :tab then
    if @editor.selection
      @editor.indent
    else
      @focused.insert("\t")
    end
  when :"Shift+tab" then @editor.unindent
  when :enter then @focused.insert("\n")
  when :backspace then @focused.delete(-1)
  when :delete then @focused.delete(1)

  when :escape then # escape from focused
    @focused.reset
    @focused = editor
  else
    @focused.insert(key) if key.is_a?(String)
  end
end

#loop_ask(question, options = {}, &block) ⇒ Object 



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# File 'lib/pwkeep/editor.rb', line 132

def loop_ask(question, options={}, &block)
  ask(question, options) do |result|
    finished = (block.call(result) == :finished)
    loop_ask(question, options, &block) unless finished
  end
end

#resize(lines, columns) ⇒ Object 



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# File 'lib/pwkeep/editor.rb', line 143

def resize(lines, columns)
  @options[:lines] = lines
  @options[:columns] = columns
  create_components
  @editor.resize(editor_lines, columns)
end

#style_map ⇒ Object 



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# File 'lib/pwkeep/editor.rb', line 53

def style_map
  status.style_map + editor.style_map + command.style_map
end

#view ⇒ Object 



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# File 'lib/pwkeep/editor.rb', line 49

def view
  [status.view, editor.view, command.view].join("\n")
end