first trys

1 files changed, 28 insertions, 0 deletions

diff --git a/itemList.py b/itemList.py
new file mode 100644
index 0000000..527c837
--- /dev/null
+++ b/itemList.py
@@ -0,0 +1,28 @@
+class itemList:
+    def __init__(self, observer):
+        self.data = []
+        self.observer = observer
+
+    def __len__(self):
+        return len(self.data)
+
+    def __getitem__(self, idx):
+        return self.data[idx]
+
+    def __setitem__(self, idx, item):
+        self.data[idx] = item
+
+    def append(self, item):
+        item.observer = self
+        self.data.append(item)
+        self.observer.notifyChange(item)
+
+    def notifyChange(self, sender):
+        self.observer.notifyChange(sender)
+
+    def __add__(self, item):
+        self.append(item)
+        return self
+
+    def __iter__(self):
+        return self.data.__iter__()