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package com.c2kernel.lifecycle.gui.view;
import java.awt.Color;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.Paint;
import com.c2kernel.graph.model.GraphPoint;
import com.c2kernel.graph.model.Vertex;
import com.c2kernel.graph.view.VertexRenderer;
import com.c2kernel.lifecycle.AndSplitDef;
import com.c2kernel.lifecycle.JoinDef;
import com.c2kernel.lifecycle.LoopDef;
import com.c2kernel.lifecycle.OrSplitDef;
import com.c2kernel.lifecycle.WfVertexDef;
import com.c2kernel.lifecycle.XOrSplitDef;
import com.c2kernel.utils.Language;
public class SplitJoinDefRenderer implements VertexRenderer
{
private Paint mTextPaint = Color.black;
private Paint mBoxPaint = new Color( 204, 204, 204 );
private Paint mErrorPaint = new Color( 255, 50, 0 );
private boolean mTextOffsetsNotInitialised = true;
private int mTextYOffset = 0;
private String mAndText = "And";
private int mAndTextXOffset = 0;
private String mOrText = "Or";
private int mOrTextXOffset = 0;
private String mXOrText = "XOr";
private int mXOrTextXOffset = 0;
private String mJoinText = "Join";
private int mJoinTextXOffset = 0;
private String mLoopText = "Loop";
private int mLoopTextXOffset = 0;
private String mRouteText = "";
private int mRouteTextXOffset = 0;
private String mXXXText = "XXX";
private int mXXXTextXOffset = 0;
public void draw( Graphics2D g2d, Vertex vertex)
{
GraphPoint centrePoint = vertex.getCentrePoint();
String text = null;
int textXOffset = 0;
int vertexHeight = vertex.getHeight();
int vertexWidth = vertex.getWidth();
boolean hasError = !((WfVertexDef)vertex).verify();
if ( mTextOffsetsNotInitialised )
{
initialiseTextOffsets( g2d );
mTextOffsetsNotInitialised = false;
}
if ( vertex instanceof LoopDef )
{
text = Language.translate(mLoopText);
textXOffset = mLoopTextXOffset;
}
else if ( vertex instanceof XOrSplitDef )
{
text = Language.translate(mXOrText);
textXOffset = mXOrTextXOffset;
}
else if ( vertex instanceof OrSplitDef )
{
text = Language.translate(mOrText);
textXOffset = mOrTextXOffset;
}
else if ( vertex instanceof AndSplitDef )
{
text = Language.translate(mAndText);
textXOffset = mAndTextXOffset;
}
else if ( vertex instanceof JoinDef)
{
String type= (String)((JoinDef)vertex).getProperties().get("Type");
if (type!=null && type.equals("Route"))
{
text = mRouteText;
textXOffset = mRouteTextXOffset;
}
else
{
text = Language.translate(mJoinText);
textXOffset = mJoinTextXOffset;
}
}
else
{
text = mXXXText;
textXOffset = mXXXTextXOffset;
}
g2d.setPaint( hasError ? mErrorPaint : mBoxPaint );
g2d.fillRect
(
centrePoint.x - vertexWidth / 2,
centrePoint.y - vertexHeight / 2,
vertexWidth,
vertexHeight
);
g2d.setPaint( mTextPaint );
g2d.drawRect
(
centrePoint.x - vertexWidth / 2,
centrePoint.y - vertexHeight / 2,
vertexWidth,
vertexHeight
);
g2d.drawString( text, centrePoint.x - textXOffset, centrePoint.y + mTextYOffset );
if (hasError) {
g2d.setPaint( mErrorPaint );
String errors = Language.translate(((WfVertexDef)vertex).getErrors());
int errorWidth = g2d.getFontMetrics().stringWidth( errors );
g2d.drawString( errors, centrePoint.x - ( errorWidth / 2), centrePoint.y + vertexHeight );
}
}
private void initialiseTextOffsets( Graphics2D g2d )
{
FontMetrics metrics = g2d.getFontMetrics();
mTextYOffset = metrics.getHeight() / 3;
mAndTextXOffset = metrics.stringWidth( Language.translate(mAndText) ) / 2;
mOrTextXOffset = metrics.stringWidth( Language.translate(mOrText) ) / 2;
mXOrTextXOffset = metrics.stringWidth( Language.translate(mXOrText) ) / 2;
mJoinTextXOffset = metrics.stringWidth( Language.translate(mJoinText) ) / 2;
mLoopTextXOffset = metrics.stringWidth( Language.translate(mJoinText) ) / 2;
mRouteTextXOffset = metrics.stringWidth( Language.translate(mRouteText) ) / 2;
}
}
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