def on_number_button_clicked(self, num):
self.selectedNum = num
for btn in self.numBtns:
btn['state'] = "normal"
self.numBtns[num]['state'] = "disabled"
evtDispatcher.dispatch(EvtIds.EVT_INFORM_NUMBER_CHANGED,
{"number": self.selectedNum})
def handle_save_project(self, content):
if content is None or content["filepath"] is None: return
mapData = MapData(self.row, self.col, deepcopy(self.gridWeights),
deepcopy(self.imgBytes))
DataParser().save_to_file(content["filepath"], mapData)
evtDispatcher.dispatch(EvtIds.EVT_CONTENT_CHANGED,
{"isChanged": False})
def create_project_ok(self):
filepath = self.projPath.get() + PROJECT_SUFFIX
if os.path.exists(filepath):
messagebox.showerror("Error", "project exists")
else:
open(filepath, "wb").close()
self.close_new_project_panel()
evtDispatcher.dispatch(EvtIds.EVT_GET_PROJECT_NAME, {"path": filepath})
evtDispatcher.dispatch(EvtIds.EVT_PROJECT_CREATED, None)
def on_load_image_clicked(self):
filename = filedialog.askopenfilename(initialdir=".",
title="Select a picture",
filetypes=(("png files",
"*.png"),
("all files", "*.*")))
if filename and len(filename) > 0:
evtDispatcher.dispatch(EvtIds.EVT_INFORM_LOAD_PICTURE,
{"imgpath": filename})
def handle_load_image(self, content):
if content is None or content["imgpath"] is None: return
self.clear_all_numbers()
self.clear_path()
self.clear_grid_lines()
self.show_background_image(content["imgpath"])
self.row, self.col = 0, 0
self.gridWeights = []
evtDispatcher.dispatch(EvtIds.EVT_CONTENT_CHANGED, {"isChanged": True})
def on_ok_button_clicked(self):
try:
row = int(self.strRow.get())
col = int(self.strCol.get())
if row > 0 and col > 0:
self.row = row
self.col = col
evtDispatcher.dispatch(EvtIds.EVT_INFORM_TO_DRAW_GRIDS, {
"row": self.row,
"col": self.col
})
except Exception as e:
print(str(e))
def on_erase_grid(self, event):
if not self.is_click_enabled(): return
if self.isCalcDistanceMode:
pass
else:
row, col = math.floor(event.y / self.heightPerGrid), math.floor(
event.x / self.widthPerGrid)
offset = int(row * self.col + col)
if offset >= len(self.gridWeights
) or self.gridWeights[offset] == EMPTY_NUMBER:
return
self.delete("num(%d,%d)" % (row, col))
evtDispatcher.dispatch(EvtIds.EVT_CONTENT_CHANGED,
{"isChanged": True})
def handle_second_position_selected(self, content):
if content is None or content["row"] is None or content["col"] is None:
return
self.lblEndPos.config(text="POS2: (%d, %d)" %
(content["col"], content["row"]))
self.lblDistance.config(text="calculating...")
self.update()
evtDispatcher.dispatch(
EvtIds.EVT_INFORM_CALC_DISTANCE, {
"row1": self.firstPosRow,
"col1": self.firstPosCol,
"row2": content["row"],
"col2": content["col"],
"isCriticalShortest": self.isCriticalShortest.get()
})
def on_grid_clicked(self, event):
if not self.is_click_enabled(): return
col = math.floor(event.x / self.widthPerGrid)
row = math.floor(event.y / self.heightPerGrid)
if self.isCalcDistanceMode:
y = row * self.heightPerGrid + self.heightPerGrid / 2
x = col * self.widthPerGrid + self.widthPerGrid / 2
if not self.isFirstPosSelected:
self.clear_path()
self.create_text((x, y), text='@', fill="red", tag=PATH_TAG)
evtDispatcher.dispatch(EvtIds.EVT_FIRST_POSITION_SELECTED, {
"row": row,
"col": col
})
self.isFirstPosSelected = True
return
self.isFirstPosSelected = False
self.create_text((x, y), text='@', fill="red", tag=PATH_TAG)
evtDispatcher.dispatch(EvtIds.EVT_SECOND_POSITION_SELECTED, {
"row": row,
"col": col
})
elif self.put_number_in_grid(self.num, row, col):
evtDispatcher.dispatch(EvtIds.EVT_CONTENT_CHANGED,
{"isChanged": True})
def handle_calc_distance(self, content):
if (content is None or content["row1"] is None
or content["col1"] is None or content["row2"] is None
or content["col2"] is None
or content["isCriticalShortest"] is None):
return
mapPath = None
if content["isCriticalShortest"]:
mapPath = PathCalculator(self.gridWeights, self.row,
self.col).get_the_shortest_path(
content["row1"], content["col1"],
content["row2"], content["col2"])
else:
mapPath = PathCalculator(self.gridWeights, self.row,
self.col).get_maybe_shortest_path(
content["row1"], content["col1"],
content["row2"], content["col2"])
if mapPath is not None:
self.draw_path_nodes(mapPath.nodes)
evtDispatcher.dispatch(
EvtIds.EVT_SHORTEST_DISTANCE_CALCULATED, {
"distance":
mapPath.distance if mapPath is not None else UNREACH_DISTANCE
})
def open_project(self):
filename = filedialog.askopenfilename(initialdir=".",
title="Select project",
filetypes=(("mg files",
"*.mg"), ))
mapdata = DataParser().parse_from_file(filename)
if mapdata is None:
messagebox.showerror("error", "open project error!")
return
evtDispatcher.dispatch(EvtIds.EVT_INFORM_GET_MAP_DATA,
{"mapdata": deepcopy(mapdata)})
evtDispatcher.dispatch(EvtIds.EVT_GET_PROJECT_NAME, {"path": filename})
evtDispatcher.dispatch(EvtIds.EVT_PROJECT_LOADED, None)
def on_save_button_clicked(self):
evtDispatcher.dispatch(EvtIds.EVT_INFORM_SAVE_PROJECT,
{"filepath": self.parent.projectPath})
def on_clear_all_clicked(self):
evtDispatcher.dispatch(EvtIds.EVT_INFORM_CLEAR_NUMBERS, None)
evtDispatcher.dispatch(EvtIds.EVT_INFORM_CLEAR_PATH, None)
def handle_clear_numbers(self, content):
self.clear_all_numbers()
self.gridWeights = [EMPTY_NUMBER for _ in range(self.row * self.col)]
evtDispatcher.dispatch(EvtIds.EVT_CONTENT_CHANGED, {"isChanged": True})
def handle_draw_grids(self, content):
if content is None or content["row"] is None or content["col"] is None:
return
self.draw_grid(content["row"], content["col"])
evtDispatcher.dispatch(EvtIds.EVT_CONTENT_CHANGED, {"isChanged": True})
def on_calc_distance_mode_clicked(self):
if not self.isCalcDistanceMode.get():
self.clean()
self.cbCriticalShortest.deselect()
evtDispatcher.dispatch(EvtIds.EVT_SET_CALC_DISTANCE_MODE,
{"mode": self.isCalcDistanceMode.get()})
