Author: koen.aers(a)jboss.com Date: 2008-07-30 04:41:10 -0400 (Wed, 30 Jul 2008) New Revision: 9414 Added: trunk/flow/plugins/org.jboss.tools.flow.common.graph/src/org/jboss/tools/flow/editor/core/DefaultConnectionWrapper.java Log: create DefaultConnectionWrapper and pull up implementation from TransitionWrapper Added: trunk/flow/plugins/org.jboss.tools.flow.common.graph/src/org/jboss/tools/flow/editor/core/DefaultConnectionWrapper.java =================================================================== --- trunk/flow/plugins/org.jboss.tools.flow.common.graph/src/org/jboss/tools/flow/editor/core/DefaultConnectionWrapper.java (rev 0) +++ trunk/flow/plugins/org.jboss.tools.flow.common.graph/src/org/jboss/tools/flow/editor/core/DefaultConnectionWrapper.java 2008-07-30 08:41:10 UTC (rev 9414) @@ -0,0 +1,65 @@ +package org.jboss.tools.flow.editor.core; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +import org.eclipse.draw2d.geometry.Point; +import org.jboss.tools.flow.common.core.Connection; +import org.jboss.tools.flow.common.core.DefaultConnection; +import org.jboss.tools.flow.common.core.Node; + + +public class DefaultConnectionWrapper extends AbstractConnectionWrapper { + + public Connection getConnection() { + return (Connection)getElement(); + } + + protected List<Point> internalGetBendpoints() { + return (List<Point>) stringToBendpoints((String) getConnection().getMetaData("bendpoints")); + } + + protected void internalSetBendpoints(List<Point> bendpoints) { + getConnection().setMetaData("bendpoints", bendpointsToString(bendpoints)); + } + + private String bendpointsToString(List<Point> bendpoints) { + if (bendpoints == null) { + return null; + } + String result = "["; + for (Iterator<Point> iterator = bendpoints.iterator(); iterator.hasNext(); ) { + Point point = iterator.next(); + result += point.x + "," + point.y + (iterator.hasNext() ? ";" : ""); + } + result += "]"; + return result; + } + + private List<Point> stringToBendpoints(String s) { + List<Point> result = new ArrayList<Point>(); + if (s == null) { + return result; + } + s = s.substring(1, s.length() - 1); + String[] bendpoints = s.split(";"); + for (String bendpoint: bendpoints) { + String[] xy = bendpoint.split(","); + result.add(new Point(new Integer(xy[0]), new Integer(xy[1]))); + } + return result; + } + + + public void connect(NodeWrapper source, NodeWrapper target) { + super.connect(source, target); + Node from = (Node)getSource().getElement(); + Node to = (Node)getTarget().getElement(); + setElement(createConnection(from, to)); + } + + protected Connection createConnection(Node from, Node to) { + return new DefaultConnection(from, to); + } +}