1   /****************************************************************************
2    **
3    ** This file is part of yFiles-2.9. 
4    ** 
5    ** yWorks proprietary/confidential. Use is subject to license terms.
6    **
7    ** Redistribution of this file or of an unauthorized byte-code version
8    ** of this file is strictly forbidden.
9    **
10   ** Copyright (c) 2000-2011 by yWorks GmbH, Vor dem Kreuzberg 28, 
11   ** 72070 Tuebingen, Germany. All rights reserved.
12   **
13   ***************************************************************************/
14  package demo.view.flowchart.painters;
15  
16  import y.view.NodeRealizer;
17  import y.view.GenericNodeRealizer;
18  
19  import java.awt.geom.Rectangle2D;
20  import java.awt.geom.GeneralPath;
21  
22  /**
23  * This class is an implementation of {@link y.view.GenericNodeRealizer.Painter} that draws the predefined process symbol of flowchart diagrams.
24   **/
25  public class FlowchartPredefinedProcessPainter extends AbstractFlowchartPainter {
26  
27    public FlowchartPredefinedProcessPainter() {
28      super();
29      outline = new Rectangle2D.Double();
30      innerShape = new GeneralPath();
31    }
32  
33    protected void updateOutline(NodeRealizer context) {
34      Rectangle2D shape = (Rectangle2D) getOutline();
35      double x = context.getX();
36      double y = context.getY();
37      double width = context.getWidth();
38      double height = context.getHeight();
39      shape.setFrame(x, y, width, height);
40  
41    }
42  
43    public void updateInsideShape(NodeRealizer context) {
44      GeneralPath shape = (GeneralPath) getInnerShape();
45      GenericNodeRealizer cast_gnr = (GenericNodeRealizer) context;
46      double x = context.getX();
47      double y = context.getY();
48      double width = context.getWidth();
49      double height = context.getHeight();
50      double borderDistance;
51      if (cast_gnr.getStyleProperty(PROPERTY_BORDER_DISTANCE) != null) {
52        borderDistance = ((Double) cast_gnr.getStyleProperty(PROPERTY_BORDER_DISTANCE)).doubleValue();
53      } else {
54        borderDistance = Math.min(FLOWCHART_DEFAULT_PREDEFINED_PROCESS_BORDER_DISTANCE, width / 2);
55      }
56      shape.reset();
57      shape.moveTo((float) (x + borderDistance), (float) y);
58      shape.lineTo((float) (x + borderDistance), (float) (y + height));
59      shape.moveTo((float) (x + width - borderDistance), (float) y);
60      shape.lineTo((float) (x + width - borderDistance), (float) (y + height));
61      shape.moveTo((float) (x + borderDistance), (float) y);
62      shape.closePath();
63    }
64  }
65