回答編集履歴
4
追記
test
CHANGED
|
@@ -241,3 +241,5 @@
|
|
|
241
241
|
- [Does Python classes support events like other languages? | stackoverflow](https://stackoverflow.com/questions/6158602)
|
|
242
242
|
|
|
243
243
|
- [Event system in Python | stackoverflow](https://stackoverflow.com/questions/1092531/event-system-in-python)
|
|
244
|
+
|
|
245
|
+
- [Pythonの変数の変化を検知してEventを起こしたい | teratail](https://teratail.com/questions/124221)
|
3
追記
test
CHANGED
|
@@ -239,3 +239,5 @@
|
|
|
239
239
|
- [Python でイベント指向のプログラミングを実現する | emptypage.jp](https://emptypage.jp/notes/pyevent.html)
|
|
240
240
|
|
|
241
241
|
- [Does Python classes support events like other languages? | stackoverflow](https://stackoverflow.com/questions/6158602)
|
|
242
|
+
|
|
243
|
+
- [Event system in Python | stackoverflow](https://stackoverflow.com/questions/1092531/event-system-in-python)
|
2
追記
test
CHANGED
|
@@ -234,6 +234,8 @@
|
|
|
234
234
|
|
|
235
235
|
■参考情報
|
|
236
236
|
|
|
237
|
-
- [29.12. inspect — 活動中のオブジェクトの情報を取得する](https://docs.python.jp/3/library/inspect.html)
|
|
237
|
+
- [29.12. inspect — 活動中のオブジェクトの情報を取得する | docs.python.jp](https://docs.python.jp/3/library/inspect.html)
|
|
238
|
-
|
|
238
|
+
|
|
239
|
-
- [Python でイベント指向のプログラミングを実現する](https://emptypage.jp/notes/pyevent.html)
|
|
239
|
+
- [Python でイベント指向のプログラミングを実現する | emptypage.jp](https://emptypage.jp/notes/pyevent.html)
|
|
240
|
+
|
|
241
|
+
- [Does Python classes support events like other languages? | stackoverflow](https://stackoverflow.com/questions/6158602)
|
1
追記
test
CHANGED
|
@@ -1,5 +1,9 @@
|
|
|
1
1
|
ModelからViewに通知したいという要件として認識しました。
|
|
2
2
|
|
|
3
|
+
|
|
4
|
+
|
|
5
|
+
Eventを発火させる部分はデコレータでもう少し簡単に記述できそうですが。
|
|
6
|
+
|
|
3
7
|
こんな感じのコードでどうでしょうか。
|
|
4
8
|
|
|
5
9
|
|
|
@@ -18,6 +22,76 @@
|
|
|
18
22
|
|
|
19
23
|
|
|
20
24
|
|
|
25
|
+
class EventHandler(object):
|
|
26
|
+
|
|
27
|
+
def __init__(self):
|
|
28
|
+
|
|
29
|
+
self._observers = []
|
|
30
|
+
|
|
31
|
+
|
|
32
|
+
|
|
33
|
+
def append(self, listener):
|
|
34
|
+
|
|
35
|
+
"""
|
|
36
|
+
|
|
37
|
+
Listenerの追加
|
|
38
|
+
|
|
39
|
+
:param listener:
|
|
40
|
+
|
|
41
|
+
:return:
|
|
42
|
+
|
|
43
|
+
"""
|
|
44
|
+
|
|
45
|
+
assert listener is not None
|
|
46
|
+
|
|
47
|
+
if listener not in self._observers:
|
|
48
|
+
|
|
49
|
+
self._observers.append(listener)
|
|
50
|
+
|
|
51
|
+
return self
|
|
52
|
+
|
|
53
|
+
|
|
54
|
+
|
|
55
|
+
def remove(self, listener):
|
|
56
|
+
|
|
57
|
+
"""
|
|
58
|
+
|
|
59
|
+
Listenerの削除
|
|
60
|
+
|
|
61
|
+
:param listener:
|
|
62
|
+
|
|
63
|
+
:return:
|
|
64
|
+
|
|
65
|
+
"""
|
|
66
|
+
|
|
67
|
+
self._observers.remove(listener)
|
|
68
|
+
|
|
69
|
+
return self
|
|
70
|
+
|
|
71
|
+
|
|
72
|
+
|
|
73
|
+
def fire(self, sender: str, new_value):
|
|
74
|
+
|
|
75
|
+
for callback in self._observers:
|
|
76
|
+
|
|
77
|
+
callback(sender, new_value)
|
|
78
|
+
|
|
79
|
+
|
|
80
|
+
|
|
81
|
+
def __iadd__(self, other):
|
|
82
|
+
|
|
83
|
+
return self.append(other)
|
|
84
|
+
|
|
85
|
+
|
|
86
|
+
|
|
87
|
+
def __isub__(self, other):
|
|
88
|
+
|
|
89
|
+
return self.remove(other)
|
|
90
|
+
|
|
91
|
+
|
|
92
|
+
|
|
93
|
+
|
|
94
|
+
|
|
21
95
|
class Model(object):
|
|
22
96
|
|
|
23
97
|
"""
|
|
@@ -28,14 +102,14 @@
|
|
|
28
102
|
|
|
29
103
|
def __init__(self):
|
|
30
104
|
|
|
105
|
+
self.handler = EventHandler()
|
|
106
|
+
|
|
31
107
|
self._TopMost = True
|
|
32
108
|
|
|
33
109
|
self._ForeColor = "#000000"
|
|
34
110
|
|
|
35
111
|
self._BackColor = "#000000"
|
|
36
112
|
|
|
37
|
-
self._observers = []
|
|
38
|
-
|
|
39
113
|
|
|
40
114
|
|
|
41
115
|
@property
|
|
@@ -52,7 +126,7 @@
|
|
|
52
126
|
|
|
53
127
|
self._TopMost = value
|
|
54
128
|
|
|
55
|
-
self.
|
|
129
|
+
self.handler.fire(currentframe().f_code.co_name, value)
|
|
56
130
|
|
|
57
131
|
|
|
58
132
|
|
|
@@ -70,7 +144,7 @@
|
|
|
70
144
|
|
|
71
145
|
self._ForeColor = value
|
|
72
146
|
|
|
73
|
-
self.
|
|
147
|
+
self.handler.fire(currentframe().f_code.co_name, value)
|
|
74
148
|
|
|
75
149
|
|
|
76
150
|
|
|
@@ -88,49 +162,7 @@
|
|
|
88
162
|
|
|
89
163
|
self._BackColor = value
|
|
90
164
|
|
|
91
|
-
self.
|
|
165
|
+
self.handler.fire(currentframe().f_code.co_name, value)
|
|
92
|
-
|
|
93
|
-
|
|
94
|
-
|
|
95
|
-
def add_listener(self, listener):
|
|
96
|
-
|
|
97
|
-
"""
|
|
98
|
-
|
|
99
|
-
Listenerの追加
|
|
100
|
-
|
|
101
|
-
:param listener:
|
|
102
|
-
|
|
103
|
-
:return:
|
|
104
|
-
|
|
105
|
-
"""
|
|
106
|
-
|
|
107
|
-
if listener not in self._observers:
|
|
108
|
-
|
|
109
|
-
self._observers.append(listener)
|
|
110
|
-
|
|
111
|
-
|
|
112
|
-
|
|
113
|
-
def remove_listener(self, listener):
|
|
114
|
-
|
|
115
|
-
"""
|
|
116
|
-
|
|
117
|
-
Listenerの削除
|
|
118
|
-
|
|
119
|
-
:param listener:
|
|
120
|
-
|
|
121
|
-
:return:
|
|
122
|
-
|
|
123
|
-
"""
|
|
124
|
-
|
|
125
|
-
self._observers.remove(listener)
|
|
126
|
-
|
|
127
|
-
|
|
128
|
-
|
|
129
|
-
def _fire_property_change(self, name: str, new_value):
|
|
130
|
-
|
|
131
|
-
for callback in self._observers:
|
|
132
|
-
|
|
133
|
-
callback(name, new_value)
|
|
134
166
|
|
|
135
167
|
|
|
136
168
|
|
|
@@ -158,9 +190,9 @@
|
|
|
158
190
|
|
|
159
191
|
|
|
160
192
|
|
|
161
|
-
def changed(
|
|
193
|
+
def changed(sender, val):
|
|
162
|
-
|
|
194
|
+
|
|
163
|
-
print(
|
|
195
|
+
print(sender, val)
|
|
164
196
|
|
|
165
197
|
|
|
166
198
|
|
|
@@ -176,13 +208,17 @@
|
|
|
176
208
|
|
|
177
209
|
model = Model()
|
|
178
210
|
|
|
179
|
-
model.ad
|
|
211
|
+
model.handler += changed
|
|
212
|
+
|
|
213
|
+
print(model)
|
|
214
|
+
|
|
215
|
+
print("#" * 60)
|
|
180
216
|
|
|
181
217
|
model.top_most = False
|
|
182
218
|
|
|
183
219
|
model.fore_color = "#AAAAAA"
|
|
184
220
|
|
|
185
|
-
|
|
221
|
+
print(model)
|
|
186
222
|
|
|
187
223
|
|
|
188
224
|
|
|
@@ -193,3 +229,11 @@
|
|
|
193
229
|
|
|
194
230
|
|
|
195
231
|
```
|
|
232
|
+
|
|
233
|
+
|
|
234
|
+
|
|
235
|
+
■参考情報
|
|
236
|
+
|
|
237
|
+
- [29.12. inspect — 活動中のオブジェクトの情報を取得する](https://docs.python.jp/3/library/inspect.html)
|
|
238
|
+
|
|
239
|
+
- [Python でイベント指向のプログラミングを実現する](https://emptypage.jp/notes/pyevent.html)
|