JRBaseChartPlot


1   /*
2    * ============================================================================
3    * GNU Lesser General Public License
4    * ============================================================================
5    *
6    * JasperReports - Free Java report-generating library.
7    * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
8    * 
9    * This library is free software; you can redistribute it and/or
10   * modify it under the terms of the GNU Lesser General Public
11   * License as published by the Free Software Foundation; either
12   * version 2.1 of the License, or (at your option) any later version.
13   * 
14   * This library is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17   * Lesser General Public License for more details.
18   * 
19   * You should have received a copy of the GNU Lesser General Public
20   * License along with this library; if not, write to the Free Software
21   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
22   * 
23   * JasperSoft Corporation
24   * 303 Second Street, Suite 450 North
25   * San Francisco, CA 94107
26   * http://www.jaspersoft.com
27   */
28  package net.sf.jasperreports.engine.base;
29  
30  import java.awt.Color  ;
31  import java.io.Serializable  ;
32  import java.util.SortedSet  ;
33  import java.util.TreeSet  ;
34  
35  import net.sf.jasperreports.engine.JRChartPlot;
36  import net.sf.jasperreports.engine.JRConstants;
37  
38  import org.jfree.chart.plot.PlotOrientation;
39  
40  
41  /**
42   * @author Teodor Danciu (teodord@users.sourceforge.net)
43   * @version $Id: JRBaseChartPlot.java 1389 2006-09-06 00:36:07 +0300 (Wed, 06 Sep 2006) bklawans $
44   */
45  public abstract class JRBaseChartPlot implements JRChartPlot, Serializable  
46  {
47  
48  
49      /**
50       *
51       */
52      private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
53      
54      protected Color   backcolor = null;
55      protected PlotOrientation orientation = PlotOrientation.VERTICAL;
56      protected float backgroundAlpha = 1;
57      protected float foregroundAlpha = 1;
58      protected double labelRotation = 0.0;
59      protected SortedSet    seriesColors = null;
60  
61  
62      /**
63       *
64       */
65      protected JRBaseChartPlot(JRChartPlot plot)
66      {
67          if (plot != null) {
68              backcolor = plot.getBackcolor();
69              orientation = plot.getOrientation();
70              backgroundAlpha = plot.getBackgroundAlpha();
71              foregroundAlpha = plot.getForegroundAlpha();
72              labelRotation = plot.getLabelRotation();
73              seriesColors = new TreeSet  (plot.getSeriesColors());
74          }
75          else
76          {
77              seriesColors = new TreeSet  ();
78          }
79      }
80  
81  
82      /**
83       *
84       */
85      protected JRBaseChartPlot(JRChartPlot plot, JRBaseObjectFactory factory)
86      {
87          factory.put(plot, this);
88  
89          backcolor = plot.getBackcolor();
90          orientation = plot.getOrientation();
91          backgroundAlpha = plot.getBackgroundAlpha();
92          foregroundAlpha = plot.getForegroundAlpha();
93          labelRotation = plot.getLabelRotation();
94          seriesColors = new TreeSet  (plot.getSeriesColors());
95      }
96  
97      
98      /**
99       *
100      */
101     public Color   getBackcolor()
102     {
103         return this.backcolor;
104     }
105 
106     /**
107      *
108      */
109     public void setBackcolor(Color   backcolor)
110     {
111         this.backcolor = backcolor;
112     }
113 
114     /**
115      *
116      */
117     public PlotOrientation getOrientation()
118     {
119         return orientation;
120     }
121 
122     /**
123      *
124      */
125     public void setOrientation(PlotOrientation orientation)
126     {
127         this.orientation = orientation;
128     }
129 
130     /**
131      *
132      */
133     public float getBackgroundAlpha()
134     {
135         return backgroundAlpha;
136     }
137 
138     /**
139      *
140      */
141     public void setBackgroundAlpha(float backgroundAlpha)
142     {
143         this.backgroundAlpha = backgroundAlpha;
144     }
145 
146     /**
147      *
148      */
149     public float getForegroundAlpha()
150     {
151         return foregroundAlpha;
152     }
153 
154     /**
155      *
156      */
157     public void setForegroundAlpha(float foregroundAlpha)
158     {
159         this.foregroundAlpha = foregroundAlpha;
160     }
161 
162     /**
163      * Gets the angle in degrees to rotate the data axis labels.  The range is -360 to 360.  A positive value angles
164      * the label so it reads downwards wile a negative value angles the label so it reads upwards.  Only charts that
165      * use a category based axis (such as line or bar charts) support label rotation.
166      */
167     public double getLabelRotation()
168     {
169         return labelRotation;
170     }
171     
172     /**
173      * Sets the angle in degrees to rotate the data axis labels.  The range is -360 to 360.  A positive value angles
174      * the label so it reads downwards wile a negative value angles the label so it reads upwards.  Only charts that
175      * use a category based axis (such as line or bar charts) support label rotation.
176      */
177     public void setLabelRotation(double labelRotation)
178     {
179         this.labelRotation = labelRotation;
180     }
181     
182     
183     /**
184      * Returns a list of all the defined series colors.  Every entry in the list is of type JRChartPlot.JRSeriesColor.
185      * If there are no defined series colors this method will return an empty list, not null. 
186      */
187     public SortedSet   getSeriesColors()
188     {
189         return seriesColors;
190     }
191     
192     /**
193      * Removes all defined series colors.
194      */
195     public void clearSeriesColors()
196     {
197         seriesColors.clear();
198     }
199     
200     /**
201      * Adds the specified series color to the plot.
202      */
203     public void addSeriesColor(JRSeriesColor seriesColor)
204     {
205         seriesColors.add(seriesColor);
206     }
207     
208     public static class JRBaseSeriesColor implements JRChartPlot.JRSeriesColor, Serializable  , Comparable  
209     {
210         /**
211          *
212          */
213         private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
214         
215         protected int seriesOrder = -1;
216         protected Color   color = null;
217         
218         public JRBaseSeriesColor(int seriesOrder, Color   color)
219         {
220             this.seriesOrder = seriesOrder;
221             this.color = color;
222         }
223         
224         /**
225          * Returns the series number (0 based) that this color applies to.
226          */
227         public int getSeriesOrder()
228         {
229             return seriesOrder;
230         }
231         
232         /**
233          * Returns the color to use for this series.
234          */
235         public Color   getColor()
236         {
237             return color;
238         }
239 
240         public int compareTo(Object   obj) {
241             if (obj == null)
242             {
243                 throw new NullPointerException  ();
244             }
245             
246             return seriesOrder - ((JRBaseSeriesColor)obj).getSeriesOrder();
247         }
248     }
249 }
250
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