package com.c2kernel.lifecycle.instance;

import java.io.Serializable;

import com.c2kernel.graph.model.GraphPoint;
import com.c2kernel.graph.model.Vertex;
import com.c2kernel.graph.model.VertexOutlineCreator;

public class WfVertexOutlineCreator implements VertexOutlineCreator,Serializable
{
    private final int mActivityWidth   = 130;
    private final int mActivityHeight  = 60;
    private final int mSplitJoinWidth  = 60;
    private final int mSplitJoinHeight = 25;

    @Override
	public void setOutline(Vertex vertex)
    {
        GraphPoint   centrePoint   = vertex.getCentrePoint();
        GraphPoint[] outlinePoints = new GraphPoint[ 4 ];
        int          vertexWidth   = 0;
        int          vertexHeight  = 0;

        if(vertex instanceof Activity)
        {
            vertexWidth  = mActivityWidth;
            vertexHeight = mActivityHeight;
        }
        else
        {
            vertexWidth  = mSplitJoinWidth;
            vertexHeight = mSplitJoinHeight;
        }

        outlinePoints[ 0 ] = new GraphPoint();
        outlinePoints[ 0 ].x = centrePoint.x - vertexWidth / 2;
        outlinePoints[ 0 ].y = centrePoint.y - vertexHeight / 2;
        outlinePoints[ 1 ] = new GraphPoint();
        outlinePoints[ 1 ].x = centrePoint.x + vertexWidth / 2;
        outlinePoints[ 1 ].y = centrePoint.y - vertexHeight / 2;
        outlinePoints[ 2 ] = new GraphPoint();
        outlinePoints[ 2 ].x = centrePoint.x + vertexWidth / 2;
        outlinePoints[ 2 ].y = centrePoint.y + vertexHeight / 2;
        outlinePoints[ 3 ] = new GraphPoint();
        outlinePoints[ 3 ].x = centrePoint.x - vertexWidth / 2;
        outlinePoints[ 3 ].y = centrePoint.y + vertexHeight / 2;

        vertex.setOutlinePoints( outlinePoints );
    }
}