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Viewing changes to examples/tutorials/doc_examples/examples/key_bindings.py

  • Committer: Bazaar Package Importer
  • Author(s): Varun Hiremath
  • Date: 2011-07-09 13:57:39 UTC
  • Revision ID: james.westby@ubuntu.com-20110709135739-x5u20q86huissmn1
Tags: upstream-4.0.0
Import upstream version 4.0.0

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examples/tutorials/doc_examples/examples/key_bindings.py
 
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#  Copyright (c) 2007, Enthought, Inc.
 
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#  License: BSD Style.
 
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# key_bindings.py -- Example of a code editor with a key bindings editor
 
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#--[Imports]--------------------------------------------------------------------
 
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from traits.api \
 
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    import Button, Code, HasPrivateTraits, Str
 
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from traitsui.api \
 
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    import View, Item, Group, Handler, CodeEditor
 
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from traitsui.key_bindings \
 
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    import KeyBinding, KeyBindings
 
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#--[Code]-----------------------------------------------------------------------
 
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key_bindings = KeyBindings(
 
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    KeyBinding( binding1    = 'Ctrl-s',
 
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                description = 'Save to a file',
 
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                method_name = 'save_file' ),
 
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    KeyBinding( binding1    = 'Ctrl-r',
 
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                description = 'Run script',
 
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                method_name = 'run_script' ),
 
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    KeyBinding( binding1    = 'Ctrl-k',
 
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                description = 'Edit key bindings',
 
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                method_name = 'edit_bindings' )
 
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)
 
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# Traits UI Handler class for bound methods
 
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class CodeHandler ( Handler ):
 
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    def save_file ( self, info ):
 
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        info.object.status = "save file"
 
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    def run_script ( self, info ):
 
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        info.object.status = "run script"
 
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    def edit_bindings ( self, info ):
 
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        info.object.status = "edit bindings"
 
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        key_bindings.edit_traits()
 
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class KBCodeExample ( HasPrivateTraits ):
 
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    code   = Code
 
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    status = Str
 
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    kb    = Button(label='Edit Key Bindings')
 
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    view = View( Group (
 
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                 Item( 'code',
 
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                       style     = 'custom',
 
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                       resizable = True ),
 
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                 Item('status', style='readonly'),
 
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                 'kb',
 
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                 orientation = 'vertical',
 
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                 show_labels = False,
 
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                 ),
 
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               id = 'KBCodeExample',
 
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               key_bindings = key_bindings,
 
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               title = 'Code Editor With Key Bindings',
 
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               resizable = True,
 
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               handler   = CodeHandler() )
 
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    def _kb_fired( self, event ):
 
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        key_bindings.edit_traits()
 
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if __name__ == '__main__':
 
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    KBCodeExample().configure_traits()
 
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