AbstractGraphRenderer


1   /*
2    * EJTools, the Enterprise Java Tools
3    *
4    * Distributable under LGPL license.
5    * See terms of license at www.gnu.org.
6    */
7   package org.ejtools.graph.renderer;
8   
9   import java.awt.Graphics  ;
10  
11  import javax.swing.JComponent  ;
12  
13  import org.ejtools.graph.GraphElement;
14  import org.ejtools.graph.GraphRenderer;
15  
16  /**
17   * @author    Laurent Etiemble
18   * @version   $Revision: 1.7 $
19   * @todo      Javadoc to complete
20   */
21  public abstract class AbstractGraphRenderer extends JComponent   implements GraphRenderer
22  {
23     /** Description of the Field */
24     protected GraphElement element = null;
25     /** Description of the Field */
26     protected double horizontalScale = 1.0d;
27     /** Description of the Field */
28     protected int horizontalScaling = ALIGN_RIGHT;
29     /** Description of the Field */
30     protected double verticalScale = 1.0d;
31     /** Description of the Field */
32     protected int verticalScaling = BOUNDED;
33  
34  
35     /** Constructor for TrackRenderer. */
36     public AbstractGraphRenderer()
37     {
38        super();
39     }
40  
41  
42     /**
43      * @param element  The new graphElement value
44      */
45     public void setGraphElement(GraphElement element)
46     {
47        this.element = element;
48     }
49  
50  
51     /**
52      * @param multiplier  The new horizontalScale value
53      */
54     public void setHorizontalScale(double multiplier)
55     {
56        this.horizontalScale = multiplier;
57     }
58  
59  
60     /**
61      * @param type  The new horizontalScaling value
62      */
63     public void setHorizontalScaling(int type)
64     {
65        this.horizontalScaling = type;
66     }
67  
68  
69     /**
70      * @param multiplier  The new verticalScale value
71      */
72     public void setVerticalScale(double multiplier)
73     {
74        this.verticalScale = multiplier;
75     }
76  
77  
78     /**
79      * @param type  The new verticalScaling value
80      */
81     public void setVerticalScaling(int type) { }
82  
83  
84     /**
85      * @param graphics  Description of the Parameter
86      */
87     protected abstract void paintComponent(Graphics   graphics);
88  }
89
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