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Control_Panel.py
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Control_Panel.py
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#!/usr/bin/env python
"""
Author: Friedrich Schotte
Date created: 2019-03-26
Date last modified: 2022-07-19
Revision comment: No auto-size by default
"""
__version__ = "1.8.1"
import logging
import wx
from db_property import db_property
class Control_Panel(wx.Frame):
"""General-purpose toplevel window"""
name = "BioCARS.test"
auto_size = False
panel = None
def __init__(self, name=None, parent=None, panel_type=None):
self.panel_type = Test_Panel
if name is not None:
self.name = name
if panel_type is not None:
self.panel_type = panel_type
logging.info(f"{self} started")
wx.Frame.__init__(self, parent=parent)
self.update()
self.update_title()
self.Show()
self.Bind(wx.EVT_SIZE, self.OnResize)
self.Bind(wx.EVT_WINDOW_DESTROY, self.OnDestroy)
# Refresh
self.timer = wx.Timer(self)
self.Bind(wx.EVT_TIMER, self.OnTimer, self.timer)
self.timer.Start(5000, oneShot=True)
def __repr__(self):
return f"{self.class_name}({self.name!r})"
icon = "Tool"
default_size = (300, 200)
size = db_property("size", default_size, local=True)
@property
def db_name(self):
if "." in self.name:
domain_name, base_name = self.name.split(".", 1)
db_name = f"domains/{domain_name}/{self.class_name.lower()}/{base_name}"
else:
domain_name = self.name
db_name = f"domains/{domain_name}/{self.class_name.lower()}"
return db_name
@property
def title(self):
if not self.saved_title:
title = self.default_title
else:
title = self.saved_title
return title
@title.setter
def title(self, title):
self.saved_title = title
saved_title = ""
@property
def default_title(self):
from capitalize import capitalize
class_name = self.panel_type.__name__
class_name = class_name.replace("_", " ")
class_name = capitalize(class_name)
name = self.name
name = name.replace(".", " ")
name = name.replace("_", " ")
name = capitalize(name)
title = f"{class_name} [{name}]"
return title
def OnDestroy(self, event):
event.Skip()
logging.info(f"{self}: Window destroyed")
def OnTimer(self, _event):
"""Perform periodic updates"""
self.update_title()
try:
self.update_controls()
except Exception as msg:
logging.error("%s" % msg)
import traceback
traceback.print_exc()
self.timer.Start(5000, oneShot=True)
def update_controls(self):
module = __import__(self.module_name)
my_class = getattr(module, self.class_name, None)
if my_class and self.__class__ != my_class:
logging.debug("Code change detected, updating panel")
self.__class__ = my_class
self.update()
def update(self):
from Icon import SetIcon
SetIcon(self, self.icon)
panel = self.ControlPanel
if self.panel is not None:
self.panel.Destroy()
self.panel = panel
menuBar = self.menuBar
old_menu_bar = self.MenuBar
self.MenuBar = menuBar
if old_menu_bar:
old_menu_bar.Destroy()
min_size = (100, 50)
max_size = (1024, 768)
if self.auto_size:
logging.debug(f"{self}: Auto-sizing because auto-size requested")
auto_size = True
elif self.size[0] < min_size[0] or self.size[1] < min_size[1]:
logging.debug(f"{self}: Auto-sizing because size {self.size} is smaller than minimum size {min_size}")
auto_size = True
else:
auto_size = False
if auto_size:
self.panel.Fit()
self.Fit()
logging.debug(f"{self}: Auto-sized to {self.Size}")
size = self.Size
size = (min(size[0], max_size[0]), min(size[1], max_size[1]))
if size != self.Size:
logging.debug(f"{self}: Auto-size {self.Size} is larger than {max_size}. Shrinking to {size}")
self.Size = size
if self.Size[0] < min_size[0] or self.Size[1] < min_size[1]:
size = self.Size
if size[0] < min_size[0]:
size = self.default_size[0], size[1]
if size[1] < min_size[1]:
size = size[0], self.default_size[1]
logging.debug(f"{self}: Auto-size {self.Size} is smaller than {min_size}. Growing to {size}")
self.Size = size
else:
w, h = self.size
self.Size = w, h + 1 # size change needed, otherwise panel does not fill window
self.Size = w, h
def update_title(self):
title = self.title
if self.Title != title:
self.Title = title
@property
def module_name(self):
from inspect import getmodule
module_name = getmodule(self).__name__
return module_name
@property
def class_name(self):
return type(self).__name__
def OnResize(self, event):
# logging.debug("%r" % event.Size)
if self.auto_size:
self.Fit()
else:
event.Skip()
self.size = tuple(self.Size)
@property
def menuBar(self):
"""MenuBar object"""
# Menus
menuBar = wx.MenuBar()
# Edit
menu = wx.Menu()
menu.Append(wx.ID_CUT, "Cu&t\tCtrl+X", "selection to clipboard")
menu.Append(wx.ID_COPY, "&Copy\tCtrl+C", "selection to clipboard")
menu.Append(wx.ID_PASTE, "&Paste\tCtrl+V", "clipboard to selection")
menu.Append(wx.ID_DELETE, "&Delete\tDel", "clear selection")
menu.Append(wx.ID_SELECTALL, "Select &All\tCtrl+A")
menuBar.Append(menu, "&Edit")
# Help
menu = wx.Menu()
menu.Append(wx.ID_ABOUT, "About...", "Show version number")
menuBar.Append(menu, "&Help")
self.Bind(wx.EVT_MENU, self.OnAbout, id=wx.ID_ABOUT)
return menuBar
@property
def ControlPanel(self):
return self.panel_type(self, self.name)
def OnAbout(self, event):
"""Show version info"""
from About import About
About(self)
class Test_Panel(wx.Panel):
def __init__(self, parent, name):
self.name = name
super().__init__(parent)
self.Sizer = wx.BoxSizer()
v_box = wx.BoxSizer(wx.VERTICAL)
self.Sizer.Add(v_box, flag=wx.EXPAND | wx.ALL, border=10, proportion=1)
control = wx.TextCtrl(self)
control.Label = self.name
v_box.Add(control, flag=wx.EXPAND)
control = wx.TextCtrl(self)
v_box.Add(control, flag=wx.EXPAND | wx.TOP, border=2, proportion=1)
if __name__ == '__main__':
from redirect import redirect
msg_format = "%(asctime)s %(levelname)s %(module)s.%(funcName)s: %(message)s"
redirect("Control_Panel", format=msg_format)
app = wx.GetApp() if wx.GetApp() else wx.App()
self = Control_Panel()
app.MainLoop()