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"""
A Recorder subclass that presents a simple user interface.
"""
# Author: Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
# Copyright (c) 2008, Prabhu Ramachandran.
# License: BSD Style.
from traits.api import Code, Button, Int, on_trait_change, Any
from traitsui.api import (View, Item, Group, HGroup, CodeEditor,
spring, Handler)
from .recorder import Recorder
######################################################################
# `CloseHandler` class.
######################################################################
class CloseHandler(Handler):
"""This class cleans up after the UI for the recorder is closed."""
def close(self, info, is_ok):
"""This method is invoked when the user closes the UI."""
recorder = info.object
recorder.on_ui_close()
return True
################################################################################
# `RecorderWithUI` class.
################################################################################
class RecorderWithUI(Recorder):
"""
This class represents a Recorder but with a simple user interface.
"""
# The code to display
code = Code(editor=CodeEditor(line='current_line'))
# Button to save script to file.
save_script = Button('Save Script')
# The current line to show, used by the editor.
current_line = Int
# The root object which is being recorded.
root = Any
########################################
# Traits View.
view = View(
Group(
HGroup(Item('recording', show_label=True),
spring,
Item('save_script', show_label=False),
),
Group(Item('code', show_label=False)),
),
width=600,
height=360,
id='apptools.scripting.recorder_with_ui',
buttons=['Cancel'],
resizable=True,
handler=CloseHandler()
)
######################################################################
# RecorderWithUI interface.
######################################################################
def on_ui_close(self):
"""Called from the CloseHandler when the UI is closed. This
method basically stops the recording.
"""
from util import stop_recording
from package_globals import get_recorder
if get_recorder() is self:
stop_recording(self.root, save=False)
else:
self.recording = False
self.unregister(self.root)
######################################################################
# Non-public interface.
######################################################################
@on_trait_change('lines[]')
def _update_code(self):
self.code = self.get_code()
self.current_line = len(self.lines) + 1
def _save_script_fired(self):
self.ui_save()
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