#
#   Python GUI - Text Editor - Generic
#

from GUI.Properties import overridable_property
from GUI import Component
from GUI import EditCmdHandler
from GUI.Printing import Printable

class TextEditor(Component, EditCmdHandler, Printable):
    """A component for editing substantial amounts of text. The text is
    kept internally to the component and cannot be shared between views."""
    
    text = overridable_property('text', "The contents as a string.")
    text_length = overridable_property('text_length', "Number of characters in the text.")
    selection = overridable_property('selection', "Range of text selected.")
    font = overridable_property('font')
    tab_spacing = overridable_property('tab_spacing', "Distance between tab stops")
    
    def setup_menus(self, m):
        Component.setup_menus(self, m)
        EditCmdHandler.setup_menus(self, m)
        Printable.setup_menus(self, m)

    def key_down(self, e):
        if e.key == 'enter':
            self.pass_to_next_handler('key_down', e)
        else:
            Component.key_down(self, e)

    def print_view(self, page_setup):
        from TextEditorPrinting import TextEditorPrintView
        view = TextEditorPrintView(self, page_setup)
        view.print_view(page_setup)