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package com.c2kernel.gui.collection;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.Image;
import com.c2kernel.gui.ImageLoader;
import com.c2kernel.collection.Aggregation;
import com.c2kernel.collection.AggregationMember;
import com.c2kernel.graph.model.GraphPoint;
import com.c2kernel.graph.model.Vertex;
import com.c2kernel.gui.graph.view.VertexRenderer;
import com.c2kernel.utils.Logger;
/**
* @version $Revision: 1.24 $ $Date: 2005/12/01 14:23:15 $
* @author $Author: abranson $
*/
public class AggregationMemberRenderer implements VertexRenderer
{
private Aggregation mAggregation = null;
public AggregationMemberRenderer()
{
}
public void setAggregation(Aggregation agg)
{
mAggregation = agg;
}
@Override
public void draw(Graphics2D g2d, Vertex vertex)
{
GraphPoint centre = vertex.getCentrePoint();
GraphPoint[] outline = vertex.getOutlinePoints();
FontMetrics metrics = g2d.getFontMetrics();
AggregationMember memberPair = mAggregation.getMemberPair(vertex.getID());
try
{
String name = memberPair.getItemName();
g2d.drawString( name,
centre.x-metrics.stringWidth(name)/2,
vertex.getID()%2==0?topYOfOutline(outline):bottomYOfOutline(outline)+metrics.getHeight() );
g2d.drawImage
(
getImage(memberPair),
centre.x - 8,
centre.y - 8,
null
);
// Draw the outline of the vertex
if(outline.length > 1)
{
for(int i=0; i<outline.length-1; i++)
{
g2d.drawLine
(
outline[i].x,
outline[i].y,
outline[i+1].x,
outline[i+1].y
);
}
g2d.drawLine
(
outline[outline.length-1].x,
outline[outline.length-1].y,
outline[0].x,
outline[0].y
);
}
}
catch (Exception ex)
{
Logger.error("AggregationMemberRenderer::draw() " + ex);
}
}
int topYOfOutline(GraphPoint[] outline)
{
int topY = outline[0].y;
int i = 0;
for(i=1; i<outline.length; i++)
{
if(outline[i].y < topY)
{
topY = outline[i].y;
}
}
return topY;
}
int bottomYOfOutline(GraphPoint[] outline)
{
int bottomY = outline[0].y;
int i = 0;
for(i=1; i<outline.length; i++)
{
if(outline[i].y > bottomY)
{
bottomY = outline[i].y;
}
}
return bottomY;
}
public Image getImage(AggregationMember am) {
return ImageLoader.findImage("typeicons/"+am.getProperties().get("Type")+"_16.png").getImage();
}
}
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