excercise 2 done

week1_TinsaeGhilay/Task2/Graphics.idl

@@ -0,0 +1,53 @@
+// task 2.
+
+
+
+// module
+module GraphicsApp
+{
+	// forward declaration of shape.
+	// because we use it in rectangle
+	interface GraphicalObject;
+
+	typedef sequence<GraphicalObject> ObjectSequence;
+
+	// rectangle contains shapes which GraphicalObjects a
+	interface Rectangle
+	{
+
+		// exception to be thrown if index out of range
+		exception IndexOutOfBounds {};
+
+		// hopping this will be an array of Graphical-objects.
+		attribute ObjectSequence objects;
+		
+		// function to add object
+		void addObject(in GraphicalObject newShape);
+
+		// and may be remove an object from a position?
+		void removeObjectAtPosition(in unsigned long index)
+			raises (IndexOutOfBounds);
+	};
+       
+	interface Shape
+	{
+		// draw to be overriden in java
+		void draw();
+
+		// and info
+		void showInfo();
+	};
+
+	// GraphicalShape object extends Shape
+	interface GraphicalObject : Shape
+	{
+		// unqualified member
+		attribute boolean is_filled;
+
+		// we cannot set this, so only getter will be implemented. 
+		// only time a shape can change is if it's in the matrix or if Dr.Strange is in town.
+		readonly attribute  string name;
+	};
+
+
+};