Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/EnhancedLineAndShapeRenderer.java @ 2693:edaa2297aea3

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Started module MINFO (MINFOArtifact, state to choose calculations, configurations). flys-artifacts/trunk@4397 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 14 May 2012 08:09:10 +0000
parents bdc86e61428c
children 9cea02b51241
rev   line source
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
1 package de.intevation.flys.jfree;
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2
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3 import java.awt.Color;
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4 import java.awt.Graphics2D;
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5 import java.awt.Font;
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6 import java.awt.Paint;
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7 import java.awt.Shape;
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8 import java.awt.geom.Rectangle2D;
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9 import java.util.HashMap;
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10 import java.util.Map;
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11
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12 import org.apache.log4j.Logger;
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13
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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14 import org.jfree.chart.axis.ValueAxis;
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15 import org.jfree.chart.entity.EntityCollection;
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16 import org.jfree.chart.plot.CrosshairState;
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17 import org.jfree.chart.plot.PlotOrientation;
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18 import org.jfree.chart.plot.XYPlot;
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19 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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20 import org.jfree.data.xy.XYDataset;
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21 import org.jfree.data.xy.XYSeries;
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22 import org.jfree.data.xy.XYSeriesCollection;
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23 import org.jfree.ui.RectangleEdge;
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24 import org.jfree.util.BooleanList;
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25 import org.jfree.util.ShapeUtilities;
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26
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27 import de.intevation.flys.jfree.HasLabel;
fa363aac788b Added accidentally ommitted File in last commit.
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28
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29
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30 /**
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31 * Renderer with additional the additional functionality of renderering minima
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32 * and/or maxima of dataseries contained in datasets.
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33 */
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34 public class EnhancedLineAndShapeRenderer extends XYLineAndShapeRenderer {
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35
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36 /** Own logger. */
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37 private static final Logger logger =
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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38 Logger.getLogger(EnhancedLineAndShapeRenderer.class);
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parents:
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39
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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40 protected BooleanList isMinimumShapeVisible;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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41 protected BooleanList isMaximumShapeVisible;
2648
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
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42 protected BooleanList showLineLabel;
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43
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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44 protected Map<Integer, Double> seriesMinimum;
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45 protected Map<Integer, Double> seriesMinimumX;
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46 protected Map<Integer, Double> seriesMaximum;
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47
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48 protected Map<Integer, Font> lineLabelFonts;
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49 protected Map<Integer, Color> lineLabelTextColors;
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50 protected BooleanList showLineLabelBG;
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51 protected Map<Integer, Color> lineLabelBGColors;
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52
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53
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54 public EnhancedLineAndShapeRenderer(boolean lines, boolean shapes) {
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55 super(lines, shapes);
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56 this.isMinimumShapeVisible = new BooleanList();
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57 this.isMaximumShapeVisible = new BooleanList();
2648
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parents: 2647
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58 this.showLineLabel = new BooleanList();
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59 this.showLineLabelBG = new BooleanList();
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60 this.seriesMinimum = new HashMap<Integer, Double>();
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61 this.seriesMaximum = new HashMap<Integer, Double>();
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parents: 2642
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62 this.seriesMinimumX = new HashMap<Integer, Double>();
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63 this.lineLabelFonts = new HashMap<Integer, Font>();
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64 this.lineLabelTextColors = new HashMap<Integer, Color>();
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65 this.lineLabelBGColors = new HashMap<Integer, Color>();
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66 }
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67
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68
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69 /** Draw a background-box of a text to render. */
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70 public static void drawTextBox(Graphics2D g2, String text, float textX, float textY, Color bgColor) {
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71 Rectangle2D hotspotBox = g2.getFontMetrics().getStringBounds(text, g2);
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72 float w = (float) hotspotBox.getWidth(), h = (float) hotspotBox.getHeight();
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73 hotspotBox.setRect(textX, textY-h, w, h);
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74 Color oldColor = g2.getColor();
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75 g2.setColor(bgColor);
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76 g2.fill(hotspotBox);
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77 g2.setColor(oldColor);
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parents:
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78 }
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79
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80
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81 public boolean getItemShapeVisible(XYDataset dataset, int series, int item){
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82 if (super.getItemShapeVisible(series, item)) {
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83 return true;
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84 }
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85
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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86 if (isMinimumShapeVisible(series) && isMinimum(dataset, series, item)) {
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87 return true;
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88 }
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89
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90 if (isMaximumShapeVisible(series) && isMaximum(dataset, series, item)) {
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91 return true;
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92 }
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93
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94 return false;
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95 }
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96
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97
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98 public Shape getMaximumShape(int series, int column) {
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99 return new Rectangle2D.Double(-5d, -5d, 10d, 10d);
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parents: 2241
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100 }
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parents: 2241
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101
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102
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103 public Shape getMinimumShape(int series, int column) {
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104 return new Rectangle2D.Double(-5d, -5d, 10d, 10d);
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parents: 2241
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105 }
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parents: 2241
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106
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107
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108 public Paint getMaximumFillPaint(int series, int column) {
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109 Paint p = getItemPaint(series, column);
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110
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111 if (p instanceof Color) {
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parents: 2241
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112 Color c = (Color) p;
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113 Color b = c;
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114
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115 for (int i = 0; i < 2; i++) {
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116 b = b.darker();
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117 }
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118
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119 return b;
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120 }
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121
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122 logger.warn("Item paint is no instance of Color!");
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123 return p;
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124 }
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125
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126
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127 public Paint getMinimumFillPaint(int series, int column) {
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128 Paint p = getItemPaint(series, column);
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129
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130 if (p instanceof Color) {
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131 Color c = (Color) p;
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132 Color b = c;
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133
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134 for (int i = 0; i < 2; i++) {
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135 b = b.darker();
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136 }
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137
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138 return b;
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139 }
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140
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141 logger.warn("Item paint is no instance of Color!");
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142 return p;
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143 }
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144
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145
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146 /**
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147 * Overrides XYLineAndShapeRenderer.drawSecondaryPass() to call an adapted
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148 * method getItemShapeVisible() which now takes an XYDataset. So, 99% of
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149 * code equal the code in XYLineAndShapeRenderer.
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150 */
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151 @Override
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152 protected void drawSecondaryPass(
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153 Graphics2D g2,
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154 XYPlot plot,
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155 XYDataset dataset,
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156 int pass,
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157 int series,
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158 int item,
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159 ValueAxis domainAxis,
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160 Rectangle2D dataArea,
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161 ValueAxis rangeAxis,
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162 CrosshairState crosshairState,
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163 EntityCollection entities
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164 ) {
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165 Shape entityArea = null;
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166
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167 // get the data point...
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168 double x1 = dataset.getXValue(series, item);
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169 double y1 = dataset.getYValue(series, item);
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170 if (Double.isNaN(y1) || Double.isNaN(x1)) {
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171 return;
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172 }
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173
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174 PlotOrientation orientation = plot.getOrientation();
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175 RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
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176 RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
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177 double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
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178 double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
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179
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180 if (getItemShapeVisible(dataset, series, item)) {
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181 Shape shape = null;
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182
2644
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183 // OPTIMIZE: instead of calculating minimum and maximum for every
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184 // point, calculate it just once (assume that dataset
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185 // content does not change during rendering).
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186 // NOTE: Above OPTIMIZE might already be fulfilled to most extend.
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187 boolean isMinimum = isMinimumShapeVisible(series)
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188 && isMinimum(dataset, series, item);
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189
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190 boolean isMaximum = isMaximumShapeVisible(series)
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191 && isMaximum(dataset, series, item);
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192
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193 if (isMinimum) {
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194 logger.debug("Create a Minimum shape.");
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195 shape = getMinimumShape(series, item);
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196 }
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197 else if (isMaximum) {
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198 logger.debug("Create a Maximum shape.");
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199 shape = getMaximumShape(series, item);
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200 }
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201 else {
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202 shape = getItemShape(series, item);
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203 }
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204
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205 if (orientation == PlotOrientation.HORIZONTAL) {
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206 shape = ShapeUtilities.createTranslatedShape(shape, transY1,
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207 transX1);
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208 }
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209 else if (orientation == PlotOrientation.VERTICAL) {
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210 shape = ShapeUtilities.createTranslatedShape(shape, transX1,
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211 transY1);
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212 }
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213 entityArea = shape;
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214 if (shape.intersects(dataArea)) {
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215 if (getItemShapeFilled(series, item)) {
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216 if (getUseFillPaint()) {
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217 g2.setPaint(getItemFillPaint(series, item));
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218 }
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219 else {
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220 g2.setPaint(getItemPaint(series, item));
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221 }
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222 g2.fill(shape);
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223 }
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224 if (getDrawOutlines()) {
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225 if (getUseOutlinePaint()) {
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226 g2.setPaint(getItemOutlinePaint(series, item));
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227 }
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228 else {
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229 g2.setPaint(getItemPaint(series, item));
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230 }
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231 g2.setStroke(getItemOutlineStroke(series, item));
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232 g2.draw(shape);
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233 }
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234
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235 if (isMinimum) {
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236 g2.setPaint(getMinimumFillPaint(series, item));
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237 g2.fill(shape);
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238 g2.setPaint(getItemOutlinePaint(series, item));
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239 g2.setStroke(getItemOutlineStroke(series, item));
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240 g2.draw(shape);
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241 }
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242 else if (isMaximum) {
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243 g2.setPaint(getMaximumFillPaint(series, item));
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244 g2.fill(shape);
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245 g2.setPaint(getItemOutlinePaint(series, item));
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246 g2.setStroke(getItemOutlineStroke(series, item));
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247 g2.draw(shape);
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248 }
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249 }
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250 } // if (getItemShapeVisible(dataset, series, item))
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251
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252 double xx = transX1;
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253 double yy = transY1;
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254 if (orientation == PlotOrientation.HORIZONTAL) {
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255 xx = transY1;
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256 yy = transX1;
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257 }
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258
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259 // draw the item label if there is one...
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260 if (isItemLabelVisible(series, item)) {
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261 drawItemLabel(g2, orientation, dataset, series, item, xx, yy,
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262 (y1 < 0.0));
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263 }
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264
2649
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265 // Draw label of line.
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266 if (isShowLineLabel(series) && isMinimumX (dataset, series, item)) {
2653
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267 XYSeries xYSeries = ((XYSeriesCollection) dataset).getSeries(series);
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268 String waterlevelLabel = (xYSeries instanceof HasLabel)
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269 ? ((HasLabel)xYSeries).getLabel()
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270 : xYSeries.getKey().toString();
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271 // TODO Force water of some German rivers to flow direction mountains.
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272 Font oldFont = g2.getFont();
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273
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274 Color oldColor = g2.getColor();
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275 g2.setFont(this.getLineLabelFont(series));
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276 g2.setColor(this.getLineLabelTextColor(series));
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277 g2.setBackground(Color.black);
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278
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279 // Fill background.
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280 if (isShowLineLabelBG(series)) {
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281 drawTextBox(g2, waterlevelLabel, (float)xx, (float)yy-3f,
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282 getLineLabelBGColor(series));
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283 }
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284
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diff changeset
285 g2.drawString(waterlevelLabel, (float)xx, (float)yy-3f);
2660
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286
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287 g2.setFont(oldFont);
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288 g2.setColor(oldColor);
2644
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289 }
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290
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291 int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
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292 int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
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293 updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex,
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294 rangeAxisIndex, transX1, transY1, orientation);
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295
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296 // add an entity for the item, but only if it falls within the data
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297 // area...
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298 if (entities != null && isPointInRect(dataArea, xx, yy)) {
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299 addEntity(entities, entityArea, dataset, series, item, xx, yy);
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300 }
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301 }
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302
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303
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304 public void setIsMinimumShapeVisisble(int series, boolean isVisible) {
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diff changeset
305 this.isMinimumShapeVisible.setBoolean(series, isVisible);
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306 }
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307
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parents:
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308
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diff changeset
309 public boolean isMinimumShapeVisible(int series) {
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diff changeset
310 if (this.isMinimumShapeVisible.size() <= series) {
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diff changeset
311 return false;
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parents: 2075
diff changeset
312 }
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313
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diff changeset
314 return isMinimumShapeVisible.getBoolean(series);
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315 }
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parents:
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316
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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317
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
318 public void setIsMaximumShapeVisible(int series, boolean isVisible) {
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diff changeset
319 this.isMaximumShapeVisible.setBoolean(series, isVisible);
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parents:
diff changeset
320 }
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diff changeset
321
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
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322
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
323 public boolean isMaximumShapeVisible(int series) {
2241
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parents: 2075
diff changeset
324 if (this.isMaximumShapeVisible.size() <= series) {
2b232871ba28 New helper functions in ChartHelper and improvements in EnhancedLineAndShapeRenderer.
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parents: 2075
diff changeset
325 return false;
2b232871ba28 New helper functions in ChartHelper and improvements in EnhancedLineAndShapeRenderer.
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parents: 2075
diff changeset
326 }
2b232871ba28 New helper functions in ChartHelper and improvements in EnhancedLineAndShapeRenderer.
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parents: 2075
diff changeset
327
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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diff changeset
328 return isMaximumShapeVisible.getBoolean(series);
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parents:
diff changeset
329 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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parents:
diff changeset
330
2648
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diff changeset
331 /** Whether or not a label should be shown for series. */
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
332 public boolean isShowLineLabel(int series) {
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
333 if (this.showLineLabel.size() <= series) {
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
334 return false;
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2647
diff changeset
335 }
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2647
diff changeset
336
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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diff changeset
337 return showLineLabel.getBoolean(series);
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
338 }
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2647
diff changeset
339
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2647
diff changeset
340
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2647
diff changeset
341 /** Sets whether or not a label should be shown for series. */
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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diff changeset
342 public void setShowLineLabel(boolean showLineLabel, int series) {
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
343 this.showLineLabel.setBoolean(series, showLineLabel);
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
344 }
8aaa7f4ce06a Let theme define whether or not to display a (yet static) label for line).
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parents: 2647
diff changeset
345
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346 /** Whether or not a label should be shown for series. */
1a044c51abe4 Respect colors of theme for linelabels.
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diff changeset
347 public boolean isShowLineLabelBG(int series) {
1a044c51abe4 Respect colors of theme for linelabels.
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diff changeset
348 if (this.showLineLabelBG.size() <= series) {
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diff changeset
349 return false;
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diff changeset
350 }
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diff changeset
351
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diff changeset
352 return showLineLabelBG.getBoolean(series);
1a044c51abe4 Respect colors of theme for linelabels.
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diff changeset
353 }
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
354
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
355 public void setShowLineLabelBG(int series, boolean doShow) {
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
356 this.showLineLabelBG.setBoolean(series, doShow);
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
357 }
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
358
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
359 public Color getLineLabelBGColor(int series) {
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
360 if (this.lineLabelBGColors.size() <= series) {
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
361 return null;
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
362 }
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
363
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
364 return this.lineLabelBGColors.get(series);
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
365 }
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
366
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
367 public void setLineLabelBGColor(int series, Color color) {
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
368 this.lineLabelBGColors.put(series, color);
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
369 }
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
370
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
371 public Color getLineLabelTextColor(int series) {
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
372 if (this.lineLabelTextColors.size() <= series) {
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
373 return null;
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
374 }
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
375
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
376 return this.lineLabelTextColors.get(series);
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
377 }
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
378
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
379 public void setLineLabelTextColor(int series, Color color) {
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
380 this.lineLabelTextColors.put(series, color);
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
381 }
1a044c51abe4 Respect colors of theme for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2659
diff changeset
382
2656
f1dcd5f94ffa Parse more theme properties for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2653
diff changeset
383 public void setLineLabelFont(Font font, int series) {
f1dcd5f94ffa Parse more theme properties for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2653
diff changeset
384 this.lineLabelFonts.put(series, font);
f1dcd5f94ffa Parse more theme properties for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2653
diff changeset
385 }
f1dcd5f94ffa Parse more theme properties for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2653
diff changeset
386
f1dcd5f94ffa Parse more theme properties for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2653
diff changeset
387 public Font getLineLabelFont(int series) {
f1dcd5f94ffa Parse more theme properties for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2653
diff changeset
388 return this.lineLabelFonts.get(series);
f1dcd5f94ffa Parse more theme properties for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2653
diff changeset
389 }
f1dcd5f94ffa Parse more theme properties for linelabels.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2653
diff changeset
390
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
391
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
392 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
393 * True if the given item of given dataset has the smallest
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
394 * X value within this set.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
395 */
2644
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
396 public boolean isMinimumX(XYDataset dataset, int series, int item) {
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
397 return dataset.getXValue(series, item) == getMinimumX(dataset, series);
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
398 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
399
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
400
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
401 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
402 * Get Minimum X Value of a given series in a dataset.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
403 * The value is stored for later use if queried the first time.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
404 */
2644
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
405 public double getMinimumX(XYDataset dataset, int series) {
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
406 Integer key = Integer.valueOf(series);
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
407 Double old = seriesMinimumX.get(key);
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
408
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
409 if (old != null) {
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
410 return old.doubleValue();
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
411 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
412
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
413 logger.debug("Compute minimum of Series: " + series);
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
414
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
415 double min = Double.MAX_VALUE;
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
416
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
417 for (int i = 0, n = dataset.getItemCount(series); i < n; i++) {
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
418 double tmpValue = dataset.getXValue(series, i);
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
419
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
420 if (tmpValue < min) {
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
421 min = tmpValue;
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
422 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
423 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
424
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
425 seriesMinimumX.put(key, Double.valueOf(min));
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
426
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
427 return min;
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
428 }
0a84313efe60 Stub for labeling dataseries in EnhancedLineAndShapeRenerer.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2642
diff changeset
429
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
430
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
431 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
432 * True if the given item of given dataset has the smallest
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
433 * Y value within this set.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
434 */
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
435 public boolean isMinimum(XYDataset dataset, int series, int item) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
436 return dataset.getYValue(series, item) == getMinimum(dataset, series);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
437 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
438
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
439
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
440 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
441 * Get Minimum Y Value of a given series in a dataset.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
442 * The value is stored for later use if queried the first time.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
443 */
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
444 public double getMinimum(XYDataset dataset, int series) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
445 Integer key = Integer.valueOf(series);
2075
f42b0e624e97 Small bugfix: use correct keys for buffering min/max values in EnhancedLineAndShapeRenderer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2074
diff changeset
446 Double old = seriesMinimum.get(key);
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
447
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
448 if (old != null) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
449 return old.doubleValue();
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
450 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
451
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
452 logger.debug("Compute minimum of Series: " + series);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
453
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
454 double min = Double.MAX_VALUE;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
455
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
456 for (int i = 0, n = dataset.getItemCount(series); i < n; i++) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
457 double tmpValue = dataset.getYValue(series, i);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
458
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
459 if (tmpValue < min) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
460 min = tmpValue;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
461 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
462 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
463
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
464 seriesMinimum.put(key, Double.valueOf(min));
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
465
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
466 return min;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
467 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
468
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
469
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
470 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
471 * True if the given item of given dataset has the biggest
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
472 * Y value within this set.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
473 */
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
474 public boolean isMaximum(XYDataset dataset, int series, int item) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
475 return dataset.getYValue(series, item) == getMaximum(dataset, series);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
476 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
477
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
478
2647
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
479 /**
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
480 * Get maximum Y Value of a given series in a dataset.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
481 * The value is stored for later use if queried the first time.
4b7a28e81643 Cosmetics, doc.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2644
diff changeset
482 */
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
483 public double getMaximum(XYDataset dataset, int series) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
484 Integer key = Integer.valueOf(series);
2075
f42b0e624e97 Small bugfix: use correct keys for buffering min/max values in EnhancedLineAndShapeRenderer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2074
diff changeset
485 Double old = seriesMaximum.get(key);
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
486
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
487 if (old != null) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
488 return old.doubleValue();
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
489 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
490
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
491 logger.debug("Compute maximum of Series: " + series);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
492
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
493 double max = -Double.MAX_VALUE;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
494
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
495 for (int i = 0, n = dataset.getItemCount(series); i < n; i++) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
496 double tmpValue = dataset.getYValue(series, i);
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
497
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
498 if (tmpValue > max) {
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
499 max = tmpValue;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
500 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
501 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
502
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
503 seriesMaximum.put(key, Double.valueOf(max));
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
504
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
505 return max;
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
506 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
507 }
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
508 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org