/
openreload.py
113 lines (89 loc) · 3.51 KB
/
openreload.py
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# 2014_02_14
# Choose multiple spectrum files and open them.
# These files are examined regularly for changes (based on their timestamp)
# They are reloaded automatically if they are changed.
#
import os
import sys
import Tkinter
# Sparky packages
import sparky
import sputil
import tkutil
DEBUG = 1
class OpenReloadDialog(tkutil.Dialog):
def __init__(self, session):
""" Initialization
"""
self.session = session
tkutil.Dialog.__init__(self, session.tk,
'Open & Reload Multiple Spectra')
proj = session.project
mfs = tkutil.multiple_file_selection(self.top, proj.sparky_directory)
mfs.frame.pack(side = 'top', anchor = 'nw', fill = 'both', expand = 1)
self.files = mfs
r = Tkinter.Label(self.top, justify = 'left')
r.pack(side = 'top', anchor = 'nw')
self.result = r
br = tkutil.button_row(self.top,
('Open', self.open_cb),
('Reload', self.reload_spectra),
('Cancel', self.close_cb),
('Help',
sputil.help_cb(session,
'OpenAutoreloadSpectra')),
)
br.frame.pack(side = 'top', anchor = 'nw')
self.paths = [] # list of spectrum files to open
self.spectra = [] # spectra already opened
# if there are opened windows, get the paths
for v in proj.view_list():
self.paths.append(v.spectrum.save_path)
self.spectra.append(v.spectrum)
def open_spectra(self):
""" Open specified spectrum files
"""
bad_paths = []
for path in self.paths: # open each
spectrum = self.session.open_spectrum(path)
if spectrum is None:
bad_paths.append(path)
else:
self.spectra.append(spectrum)
if bad_paths:
message = 'Could not open files:'
for path in bad_paths:
message = message + '\n' + path
else:
message = 'Opened %d spectra' % len(self.paths)
self.result['text'] = message
def open_cb(self):
""" Open button is clicked. Open and reload (multiple) spectrum files
"""
self.paths = self.files.selected_paths()
self.open_spectra()
def reload_spectra(self):
""" Force the opened files to be reloaded
"""
if self.paths:
if self.spectra: # if spectra have been opend
# destroy them first
for v in self.session.project.view_list():
if v.spectrum in self.spectra:
v.destroy()
self.open_spectra()
else: # click on reload before any spectra are loaded.
# Cannot make the button grey because it is a poorly
# wrapped class by the tkutil.
sys.stderr.write('ERROR: No file(s) opened yet!\n')
def close_cb(self):
""" Cancel button is clicked.
"""
self.paths = []
self.spectra = []
tkutil.Dialog.close_cb(self)
# -----------------------------------------------------------------------------
#
def show_file_dialog(session):
d = sputil.the_dialog(OpenReloadDialog, session)
d.show_window(1)