/tags/1.0.1/src/org/getopt/luke/plugins/VocabChart.java

  1package org.getopt.luke.plugins;
  2
  3import java.awt.Color;
  4import java.awt.Component;
  5import java.awt.Dimension;
  6import java.awt.Graphics;
  7import java.awt.Image;
  8
  9import org.getopt.luke.Luke;
 10
 11public class VocabChart extends Component {
 12
 13  Image offScrImg = null;
 14
 15  int offScrWidth;
 16
 17  int offScrHeight;
 18
 19  private float[] scores;
 20
 21  private int xBorder = 2;
 22
 23  private int yBorder = 2;
 24
 25  private int minRowHeight = 20;
 26
 27  float max = 0;
 28  float total = 0;
 29  
 30  Luke app = null;
 31  Object container = null;
 32
 33  public VocabChart() {
 34  }
 35
 36  public VocabChart(Luke app, Object container) {
 37    this.app = app;
 38    this.container = container;
 39  }
 40
 41  public Dimension getPreferredSize() {
 42    if (app == null) return new Dimension(500, 300);
 43    return app.getSize(container, 2, 2);
 44  }
 45
 46  public void update(Graphics rg) {
 47    paint(rg);
 48  }
 49
 50  public void paint(Graphics rg) {
 51    Dimension d = getSize();
 52    // Hmmm. createImage returns null in Thinlet
 53    // offScrImg = createImage(getWidth(), getHeight());
 54    offScrWidth = d.width;
 55    offScrHeight = d.height;
 56    int availWidth = offScrWidth - (xBorder * 2);
 57    int availHeight = offScrHeight - (yBorder * 2);
 58    Graphics og = rg;
 59    og.setColor(Color.white);
 60    og.fillRect(0, 0, getWidth(), getHeight());
 61    if (scores == null) {
 62      return;
 63    }
 64
 65    int numRows = 1;
 66    while ((scores.length > (availWidth * numRows))
 67        && (((numRows * yBorder) + (numRows * minRowHeight)) < availHeight)) {
 68      numRows++;
 69    }
 70    int rowHeight = (availHeight / numRows) - yBorder;
 71    float x = xBorder;
 72    float y = yBorder + rowHeight;
 73
 74    // paint row background
 75    /*og.setColor(Color.RED);
 76    for (int i = 0; i < numRows; i++) {
 77      og.fillRect((int) x, (int) y - rowHeight, availWidth, rowHeight);
 78      y += rowHeight + yBorder;
 79    }*/
 80
 81    // paint match values
 82    float pixelsPerBar = (float) (numRows * availWidth) / (float) scores.length;
 83    int intPixelsPerBar = Math.max(1, (int) pixelsPerBar - 1);
 84    x = xBorder;
 85    y = yBorder + rowHeight;
 86
 87    for (int i = 0; i < scores.length; i++) {
 88      og.setColor(Color.BLUE);
 89      if (scores[i] > 0) {
 90        int height = (int) ((float) rowHeight * (scores[i] / max));
 91        og.fillRect((int) x, (int) y - height, intPixelsPerBar, height);
 92      }
 93      og.setColor(Color.BLACK);
 94      int len = 2;
 95      if (i % 5 == 0) len = 4;
 96      og.drawLine((int)x, (int)y, (int)x, (int)y + len);
 97      x += pixelsPerBar;
 98      if (x > availWidth) {
 99        x = xBorder;
100        y += rowHeight + yBorder;
101      }
102    }
103  }
104
105  public int getMinRowHeight() {
106    return minRowHeight;
107  }
108
109  public void setMinRowHeight(int minRowHeight) {
110    this.minRowHeight = minRowHeight;
111  }
112
113  public float[] getScores() {
114    return scores;
115  }
116
117  public void setScores(float[] scores) {
118    this.scores = scores;
119    max = 0;
120    total = 0;
121    if (scores != null) {
122      for (int i = 0; i < scores.length; i++) {
123        max = Math.max(scores[i], max);
124        total += scores[i];
125      }
126    }
127  }
128
129  public int getXBorder() {
130    return xBorder;
131  }
132
133  public void setXBorder(int border) {
134    xBorder = border;
135  }
136
137  public int getYBorder() {
138    return yBorder;
139  }
140
141  public void setYBorder(int border) {
142    yBorder = border;
143  }
144
145}