Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/jfree/StickyAxisAnnotation.java @ 5863:4897a58c8746

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River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children af13ceeba52a
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.jfree;
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10
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11 /**
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12 * Text, position on axis, and maybe a hit-point in a class.
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13 *
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14 * Idea is to draw a given text and a line to it from either axis.
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15 * This class just keeps the info.
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16 */
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17 public class StickyAxisAnnotation {
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18
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19 /** Simplified view on axes. */
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20 public static enum SimpleAxis {
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21 X_AXIS, /** Usually "horizontal". */
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22 Y_AXIS, /** Usually "vertical". */
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23 Y_AXIS2
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24 }
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25
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26 /** The "symbolic" integer representing which axis to stick to. */
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27 protected int axisSymbol;
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28
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29 /** Which axis to stick to. */
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30 protected SimpleAxis stickyAxis = SimpleAxis.X_AXIS;
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31
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32 /** The 1-dimensional position of this annotation. */
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33 protected float pos;
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34
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35 /**
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36 * Optional field used when from axis a line should be drawn that
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37 * hits a curve or something similar (current scenario: duration curves).
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38 * This value is in the "other" dimension than the pos - field.
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39 */
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40 protected float hitPoint;
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41
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42 /** The text to display at axis. */
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43 String text;
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44
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45
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46 /**
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47 * Constructor with implicit sticky x-axis.
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48 * @param text the text to display.
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49 * @param pos the position at which to draw the text and mark.
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50 */
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51 public StickyAxisAnnotation(String text, float pos) {
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52 this(text, pos, SimpleAxis.X_AXIS);
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53 }
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54
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55
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56 /**
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57 * Constructor with given explicit axis.
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58 * @param text the text to display.
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59 * @param pos the position at which to draw the text and mark.
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60 * @param stickAxis the axis at which to stick (and to which 'pos' is
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61 * relative).
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62 */
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63 public StickyAxisAnnotation(String text, float pos, SimpleAxis stickAxis
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64 ) {
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65 this(text, pos, stickAxis, 0);
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66 }
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67
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68
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69 /**
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70 * Constructor with given explicit axis and axisSymbol
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71 * @param text the text to display.
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72 * @param pos the position at which to draw the text and mark.
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73 * @param stickAxis the axis at which to stick (and to which 'pos' is
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74 * relative).
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75 */
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76 public StickyAxisAnnotation(String text, float pos, SimpleAxis stickAxis,
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77 int axisSymbol
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78 ) {
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79 setStickyAxis(stickAxis);
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80 this.text = text;
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81 this.pos = pos;
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82 this.axisSymbol = axisSymbol;
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83 this.hitPoint = Float.NaN;
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84 }
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85
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86
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87 /**
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88 * Sets the "sticky axis" (whether to draw annotations at the
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89 * X- or the Y-Axis.
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90 *
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91 * @param stickyAxis axis to stick to.
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92 */
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93 public void setStickyAxis(SimpleAxis stickyAxis) {
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94 this.stickyAxis = stickyAxis;
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95 }
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96
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97
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98 public float getPos() {
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99 return this.pos;
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100 }
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101
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102 public SimpleAxis getStickyAxis() {
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103 return this.stickyAxis;
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104 }
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105
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106 public boolean atX() {
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107 return this.getStickyAxis() == SimpleAxis.X_AXIS;
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108 }
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109
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110 /** Get text to be displayed at axis. */
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111 public String getText() {
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112 return this.text;
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113 }
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114
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115
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116 public int getAxisSymbol() {
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117 return this.axisSymbol;
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118 }
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119
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120
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121 /** Set where to hit a curve (if any). */
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122 public void setHitPoint(float pos) {
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123 this.hitPoint = pos;
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124 }
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125
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126 /** Get where to hit a curve (if any). */
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127 public float getHitPoint() {
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128 return this.hitPoint;
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129 }
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130
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131 /** Set sticky axis to the X axis if it is currently Y, and vice versa. */
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132 public void flipStickyAxis() {
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133 if (this.getStickyAxis() == SimpleAxis.X_AXIS) {
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134 this.setStickyAxis(SimpleAxis.Y_AXIS);
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135 }
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136 else {
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137 this.setStickyAxis(SimpleAxis.X_AXIS);
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138 }
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139 }
1039
cf39205df113 Part of refactoring (see next commit).
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140 }
1711
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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141 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org