Class: ClipboardHelper

Inherits:
Object
  • Object
show all
Includes:
ClipboardOwner
Defined in:
lib/life_game_viewer/view/clipboard_helper.rb

Overview

Simplifies the use of the system clipboard access via Java.

Class Method Summary collapse

Class Method Details

.clipboard ⇒ Object 



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# File 'lib/life_game_viewer/view/clipboard_helper.rb', line 12

def self.clipboard
  Toolkit.default_toolkit.system_clipboard
end

.clipboard_text ⇒ Object 



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# File 'lib/life_game_viewer/view/clipboard_helper.rb', line 16

def self.clipboard_text
  transferable = clipboard.getContents(self)
  transferable.getTransferData(DataFlavor::stringFlavor)
end

.clipboard_text=(text) ⇒ Object 



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# File 'lib/life_game_viewer/view/clipboard_helper.rb', line 21

def self.clipboard_text=(text)
  string_selection = StringSelection.new(text)
  clipboard.setContents(string_selection, self)
end

.copy_key_name ⇒ Object

Name of copy key for this OS.



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# File 'lib/life_game_viewer/view/clipboard_helper.rb', line 42

def self.copy_key_name
  input_action_key("copy-to-clipboard").to_string
end

.input_action_key(action_name) ⇒ Object

Gets the first Action object associated with the passed action_name.



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# File 'lib/life_game_viewer/view/clipboard_helper.rb', line 36

def self.input_action_key(action_name)
  map = UIManager.get("TextField.focusInputMap")
  map.keys.select { |key| map.get(key) == action_name }.first
end

.key_prefix ⇒ Object

For getting descriptive text for, e.g. tooltips.



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# File 'lib/life_game_viewer/view/clipboard_helper.rb', line 31

def self.key_prefix
  mac_os? ? "Command" : "Ctrl"
end

.lostOwnership(clipboard, contents) ⇒ Object 



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# File 'lib/life_game_viewer/view/clipboard_helper.rb', line 51

def self.lostOwnership(clipboard, contents)
  # do nothing; this method called by Java when this object loses ownership
  # of the clipboard.
end

.mac_os? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/life_game_viewer/view/clipboard_helper.rb', line 26

def self.mac_os?
  /^Mac/ === java.lang.System.properties['os.name']
end

.paste_key_name ⇒ Object

Name of paste key for this OS.



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# File 'lib/life_game_viewer/view/clipboard_helper.rb', line 47

def self.paste_key_name
  input_action_key("paste-from-clipboard").to_string
end