--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doodle/import/p_model.d	Mon Aug 03 23:19:55 2009 +0930
@@ -0,0 +1,132 @@
+//module doodle.dog.presentation.model;
+
+version(none) {
+
+import doodle.presentation.types;
+import util.list;
+
+class Property {
+    this(char[] key, char[] value) {
+        _key = key;
+        _value = value;
+    }
+
+    char[] key() { return _key; }
+    char[] value() { return _value; }
+
+    private {
+        char[] _key;
+        char[] _value;
+    }
+}
+
+interface IVisitor {
+    void visit(GraphEdge);
+    void visit(GraphNode);
+}
+
+class Diagram {
+}
+
+abstract class DiagramElement {
+    this() {
+        _is_visible = true;
+    }
+
+    abstract void accept(in IVisitor visitor);
+
+    bool is_visible() { return _is_visible; }
+
+    void add_property(Property property) {
+        // TODO
+        _properties.addTail(property);
+    }
+
+    private {
+        List!(Property) _properties;
+        bool _is_visible;
+        GraphElement _container;
+    }
+}
+
+abstract class SemanticModelBridge {
+    this(char[] presentation) {
+        _presentation = presentation;
+    }
+
+    char[] presentation() { return _presentation; }
+
+    private {
+        char[] _presentation;
+    }
+}
+
+class SimpleSemanticModelElement : SemanticModelBridge {
+    this(char[] type_info, char[] presentation) {
+        super(presentation);
+        _type_info = type_info;
+    }
+
+    char[] type_info() { return _type_info; }
+
+    private {
+        char[] _type_info;
+    }
+}
+
+abstract class GraphElement : DiagramElement {
+    this() {
+    }
+
+    void add_anchorage(GraphConnector anchorage) {
+        // TODO
+    }
+
+    void remove_anchorage(GraphConnector anchorage) {
+    }
+
+    private {
+        SemanticModelBridge _semantic_model;
+        Point _position;
+        List!(GraphConnector) _anchorages;
+        List!(DiagramElement) _containeds;
+    }
+}
+
+class GraphConnector {
+    this(Point point) {
+        _point = point;
+    }
+
+    private {
+        Point _point;
+        GraphElement _element;
+        GraphEdge[] _edges;
+    }
+}
+
+class GraphEdge : GraphElement {
+    this() {
+    }
+
+    void accept(IVisitor visitor) {
+        visitor.visit(this);
+    }
+
+    private {
+    }
+}
+
+class GraphNode : GraphElement {
+    this() {
+    }
+
+    void accept(IVisitor visitor) {
+        visitor.visit(this);
+    }
+
+    private {
+    }
+}
+
+}