annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/StyledAreaSeriesCollection.java @ 2722:36631f23acdf

Allow loading of previous reference curves. flys-artifacts/trunk@4453 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Mon, 21 May 2012 12:21:35 +0000
parents b75681c09ef8
children 5642a83420f2
rev   line source
2074
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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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.Stroke;
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5 import java.awt.BasicStroke;
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6
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7 import org.apache.log4j.Logger;
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8
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9 import org.w3c.dom.Document;
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10
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11 import org.jfree.data.xy.XYSeriesCollection;
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12
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13 import de.intevation.flys.utils.ThemeUtil;
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14 import de.intevation.flys.utils.ThemeAccess;
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15 import de.intevation.flys.jfree.StableXYDifferenceRenderer;
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16
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17
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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18 /**
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19 * One or more dataseries to draw a polygon (either "open up/downwards", or
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parents:
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20 * the area between two curves), a theme-document and further display options.
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parents:
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21 * The theme-document will later "style" the graphical representation.
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22 * The display options can be used to control the z-order and the axis of the
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23 * dataset.
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24 */
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25 public class StyledAreaSeriesCollection extends XYSeriesCollection {
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26 /** Mode, how to draw/which areas to fill. */
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27 public enum FILL_MODE {UNDER, ABOVE, BETWEEN};
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28
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29 /** MODE in use. */
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30 protected FILL_MODE mode;
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31
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32 /** The theme-document with attributes about actual visual representation. */
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33 protected Document theme;
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34
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35 /** Own logger. */
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36 private static final Logger logger =
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37 Logger.getLogger(StyledAreaSeriesCollection.class);
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38
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39
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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40 /**
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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41 * @param theme the theme-document.
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42 */
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43 public StyledAreaSeriesCollection(Document theme) {
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44 this.theme = theme;
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45 this.mode = FILL_MODE.BETWEEN;
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46 }
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47
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48
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49 /** Gets the Fill mode. */
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50 public FILL_MODE getMode() {
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51 return this.mode;
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52 }
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53
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54
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55 /** Sets the Fill mode. */
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56 public void setMode(FILL_MODE fMode) {
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57 this.mode = fMode;
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58 }
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59
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60
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61 /**
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62 * Applies line color, size and type attributes to renderer, also
a026d005accd Moved JFreeChart specific classes to de.intevation.flys.jfree and added required imports.
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63 * whether to draw lines and/or points.
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64 */
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65 public StableXYDifferenceRenderer applyTheme(
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66 StableXYDifferenceRenderer renderer
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67 ) {
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68 applyFillColor(renderer);
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69 applyShowShape(renderer);
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70 applyOutlineColor(renderer);
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71 applyOutlineStyle(renderer);
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72 applyShowArea(renderer);
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73 if (mode == FILL_MODE.UNDER) {
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74 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_NEGATIVE_AREA);
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75 }
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parents: 2074
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76 else if (mode == FILL_MODE.ABOVE) {
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77 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_POSITIVE_AREA);
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78 }
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79 else {
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80 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_ALL_AREA);
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parents: 2074
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81 }
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b75681c09ef8 Respect area label bg text style, draw label roughly at centroid of polygons (sofar, better but not yet good).
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82
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83 // Apply text style.
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84 new ThemeAccess(theme).parseTextStyle().apply(renderer);
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85 return renderer;
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86 }
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87
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88
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89 /**
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90 * Blindly (for now) apply the postiviepaint of renderer.
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91 */
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92 protected void applyFillColor(StableXYDifferenceRenderer renderer) {
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93 // Get color.
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94 Color paint = ThemeUtil.parseFillColorField(theme);
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95 // Get half-transparency flag.
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96 if (ThemeUtil.parseTransparency(theme)) {
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97 paint = new Color(paint.getRed(), paint.getGreen(), paint.getBlue(),
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98 128);
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99 }
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100 if (paint != null && this.getMode() == FILL_MODE.ABOVE) {
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101 renderer.setPositivePaint(paint);
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102 renderer.setNegativePaint(new Color(0,0,0,0));
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103 }
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104 else if (paint != null && this.getMode() == FILL_MODE.UNDER) {
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105 renderer.setNegativePaint(paint);
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106 renderer.setPositivePaint(new Color(0,0,0,0));
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107 }
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108 else {
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109 if (paint == null) paint = new Color(177, 117, 102);
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110 renderer.setPositivePaint(paint);
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111 renderer.setNegativePaint(paint);
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112 }
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113 }
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114
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115 /**
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116 * Blindly (for now) apply the postiviepaint of renderer.
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117 */
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118 protected void applyShowShape(StableXYDifferenceRenderer renderer) {
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119 boolean show = ThemeUtil.parseShowBorder(theme);
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120 renderer.setDrawOutline(show);
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121 }
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122
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123 protected void applyShowLine(StableXYDifferenceRenderer renderer) {
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124 boolean show = ThemeUtil.parseShowLine(theme);
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125 renderer.setShapesVisible(show);
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126 }
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127
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128 /**
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129 *
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130 */
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131 protected void applyOutlineColor(StableXYDifferenceRenderer renderer) {
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132 Color c = ThemeUtil.parseLineColorField(theme);
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133 renderer.setOutlinePaint(c);
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134 }
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135
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136 protected void applyOutlineWidth(StableXYDifferenceRenderer renderer) {
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137 int size = ThemeUtil.parseLineWidth(theme);
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138 }
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139
2666
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140 /** Inform renderer whether it should draw a label. */
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141 protected void applyShowArea(StableXYDifferenceRenderer renderer) {
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142 renderer.setLabelArea(ThemeUtil.parseShowArea(theme));
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143 }
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144
2074
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145 protected void applyOutlineStyle(StableXYDifferenceRenderer renderer) {
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146 float[] dashes = ThemeUtil.parseLineStyle(theme);
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147 int size = ThemeUtil.parseLineWidth(theme);
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148
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149 Stroke stroke = null;
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150
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151 if (dashes.length <= 1) {
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152 stroke = new BasicStroke(Integer.valueOf(size));
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153 }
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154 else {
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155 stroke = new BasicStroke(Integer.valueOf(size),
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156 BasicStroke.CAP_BUTT,
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157 BasicStroke.JOIN_ROUND,
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158 1.0f,
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159 dashes,
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160 0.0f);
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161 }
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162
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163 renderer.setOutlineStroke(stroke);
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164 }
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165 }
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166 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

http://dive4elements.wald.intevation.org