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oleomsgeditor.py
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oleomsgeditor.py
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from tkinter import END, Canvas, Scrollbar, Spinbox, Tk, Text, Label, Button, Entry, filedialog, StringVar, Menu, Frame, SUNKEN, W, DISABLED, NORMAL, Toplevel, BooleanVar, IntVar, messagebox
from tkinter.ttk import Combobox
import cantools, traceback
class message_editor:
'''
WINDOW DEFINITION
Subwindow to edit message properties
'''
created = False
visible = False
user_title = "dictionary"
dict_input = {}
callback = None
active_ref = -1
active_dic = -1
created = 0
TYPE_MESSAGES = [ "can", "can-tp" ]
txt = {}
lbl = []
svs = {}
def __init__(self, window_master, application, user_title, mid):
self.master = window_master
self.app = application
self.mid = mid
self.user_title = user_title
self.app.log("DCE", "Generate dictionary editor UI - " + str(user_title))
self.createWin()
def createWin(self):
'''
Create and populate the UI instance
'''
if not self.created:
self.win = Toplevel(self.master)
self.win.wm_title("Edit - " + str(self.user_title))
self.win.bind("<Destroy>",self.destroyed)
info = Label(self.win, text="Add information in the boxes below")
info.grid(row=1, column=1, columnspan=1)
self.lbl = []
self.field = []
msg: cantools.database.can.Message = self.app.omgr.messages[self.mid]
id = "0x" + str(self.app.omgr.to_hex(msg.frame_id))
self.svs["id"] = StringVar(value=id)
self.svs["name"] = StringVar(value=msg.name)
self.svs["length"] = IntVar(value=msg.length)
self.svs["comment"] = str(msg.comment)
self.svs["periodicity"] = IntVar(value=msg.cycle_time)
self.svs["senders"] = StringVar(value=",".join(msg.senders))
self.svs["signals"] = len(msg.signals)
self.svs["mtype"] = msg.mtype
#self.svs["receivers"] = StringVar(",".join(msg.receivers))
self.lbl.append(Label(self.win, text="Frame ID"))
self.field.append(Label(self.win, text = self.svs["id"].get()))
self.lbl.append(Label(self.win, text="Name"))
self.field.append(Entry(self.win, text = self.svs["name"]))
self.lbl.append(Label(self.win, text="Length"))
self.field.append(Spinbox(self.win, text = self.svs["length"]))
comment_fields = self.app.omgr.yml_comment_encode(msg.comment)
#self.svs["name_en"] = StringVar(value=comment_fields["name_en"])
self.svs["en"] = comment_fields["en"]
self.svs["fr"] = comment_fields["fr"]
self.svs["src"] = StringVar(value=comment_fields["src"])
#self.lbl.append(Label(self.win, text="Name (EN)"))
#self.field.append(Entry(self.win, text = self.svs["name_en"]))
self.lbl.append(Label(self.win, text="Comment (EN)"))
self.comment_field_en = Text(self.win, height=2, width=30)
self.field.append(self.comment_field_en)
self.field[-1].insert(END, str(self.svs["en"]))
self.lbl.append(Label(self.win, text="Comment (FR)"))
self.comment_field_fr = Text(self.win, height=2, width=30)
self.field.append(self.comment_field_fr)
self.field[-1].insert(END, str(self.svs["fr"]))
self.lbl.append(Label(self.win, text="Message type"))
self.mtype_cmb = Combobox(self.win, values = self.TYPE_MESSAGES)
self.field.append(self.mtype_cmb)
if msg.mtype in self.TYPE_MESSAGES:
self.mtype_cmb.current(self.TYPE_MESSAGES.index(self.svs["mtype"]))
else:
self.mtype_cmb.current(0)
self.lbl.append(Label(self.win, text="Periodicity"))
self.field.append(Spinbox(self.win, text = self.svs["periodicity"]))
self.lbl.append(Label(self.win, text="Senders"))
self.field.append(Entry(self.win, text = self.svs["senders"]))
self.lbl.append(Label(self.win, text="Signals"))
self.field.append(Label(self.win, text = str(self.svs["signals"])))
cnt = 2
for lbl in self.lbl:
lbl.grid(row = cnt, column = 1)
self.field[cnt - 2].grid(sticky="W", row = cnt, column = 2)
cnt += 1
saveopen = Button(self.win, text="Apply", command=self.save)
saveclose = Button(self.win, text="Save & Close", command=self.saveclose)
saveopen.grid(row=cnt, column=1, columnspan=1)
saveclose.grid(row=cnt, column=2, columnspan=1)
self.win.grid_columnconfigure(1, minsize=120)
self.win.grid_columnconfigure(2, minsize=120)
self.created = 1
def save(self):
'''
Write modifications to message definition
'''
try:
self.app.omgr.messages[self.mid].frame_id = int(self.svs["id"].get(), 16)
self.app.omgr.messages[self.mid].name = self.svs["name"].get()
self.app.omgr.messages[self.mid].length = self.svs["length"].get()
comments_collection = {}
comments_collection["en"] = self.comment_field_en.get("1.0", "end-1c")
comments_collection["fr"] = self.comment_field_fr.get("1.0", "end-1c")
#comments_collection["name_en"] = self.svs["name_en"].get()
comments_collection["src"] = self.svs["src"].get() # not user editable, atm
comments_joined = self.app.omgr.yml_comment_decode(comments_collection)
self.app.omgr.messages[self.mid].comment = comments_joined
# -- TODO: These are missing "setter" functions in cantools upstream
self.app.omgr.messages[self.mid].senders = self.svs["senders"].get().split(",")
self.app.omgr.messages[self.mid].cycle_time = self.svs["periodicity"].get()
self.app.omgr.messages[self.mid].mtype = self.mtype_cmb.get()
self.app.reload_msg_list()
except:
messagebox.showerror(title="Error", message="The message could not be saved. Consult the logfile for more details.")
self.app.log("Unable to save message - " + str(self.mid))
self.app.log("DMP", str(traceback.format_exc()))
def saveclose(self):
'''
'''
self.save()
self.win.destroy()
def destroyed(self, *largs):
'''
Reset the existence pointer
'''
self.created = 0