diff java/src/uk/ac/qmul/eecs/ccmi/gui/GraphElement.java @ 0:9418ab7b7f3f

Initial import

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/src/uk/ac/qmul/eecs/ccmi/gui/GraphElement.java	Fri Dec 16 17:35:51 2011 +0000
@@ -0,0 +1,47 @@
+/*  
+ CCmI Editor - A Collaborative Cross-Modal Diagram Editing Tool
+  
+ Copyright (C) 2011  Queen Mary University of London (http://ccmi.eecs.qmul.ac.uk/)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package uk.ac.qmul.eecs.ccmi.gui;
+
+import java.awt.Graphics2D;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+
+
+/**
+ * An interface implemented by {@link Node} and {@link Edge} and it defines methods that 
+ * both the classes implements as they're object painted on a graph. The interface is used mainly
+ * for convenience in treating the two types of object in a unified way.  
+ *
+ */
+public interface GraphElement {
+	public void draw(Graphics2D g2);
+
+	public void translate(Point2D p, double dx, double dy);
+
+	public void stopMove();
+	
+	public void startMove(Point2D p);
+	
+	public Rectangle2D getBounds();
+	
+	public Point2D getConnectionPoint(Direction d);
+	
+	public boolean contains(Point2D p);
+	
+}