Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/StickyAxisAnnotation.java @ 4064:61020a61ed38

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Show river map only once.
author Christian Lins <christian.lins@intevation.de>
date Tue, 09 Oct 2012 11:02:50 +0200
parents 6ed8ebd48d6e
children 293a0d098606
rev   line source
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1 package de.intevation.flys.jfree;
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2
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3 /**
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4 * Custom Annotations class that is drawn only if no collisions with other
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5 * already drawn CustomAnnotations in current plot are found. A mark on
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6 * the axis is shown in all cases, though.
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7 * Draws a given text and a line to it from either axis.
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8 */
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9 public class StickyAxisAnnotation {
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10
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11 /** Simplified view on axes. */
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12 public static enum SimpleAxis {
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13 X_AXIS, /** Usually "horizontal". */
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14 Y_AXIS, /** Usually "vertical". */
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15 Y_AXIS2
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16 }
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17
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18 /** The "symbolic" integer representing which axis to stick to. */
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19 protected int axisSymbol;
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20
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21 /** Which axis to stick to. */
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22 protected SimpleAxis stickyAxis = SimpleAxis.X_AXIS;
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23
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24 /** The 1-dimensional position of this annotation. */
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25 protected float pos;
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26
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27 /**
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28 * Optional field used when from axis a line should be drawn that
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29 * hits a curve or something similar (current scenario: duration curves).
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30 * This value is in the "other" dimension than the pos - field.
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31 */
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32 protected float hitPoint;
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33
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34 /** The text to display at axis. */
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35 String text;
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36
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37
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38 /**
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39 * Constructor with implicit sticky x-axis.
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40 * @param text the text to display.
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41 * @param pos the position at which to draw the text and mark.
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42 */
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43 public StickyAxisAnnotation(String text, float pos) {
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44 this(text, pos, SimpleAxis.X_AXIS);
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45 }
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46
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47
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48 /**
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49 * Constructor with given explicit axis.
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50 * @param text the text to display.
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51 * @param pos the position at which to draw the text and mark.
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52 * @param stickAxis the axis at which to stick (and to which 'pos' is
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53 * relative).
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54 */
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55 public StickyAxisAnnotation(String text, float pos, SimpleAxis stickAxis
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56 ) {
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57 this(text, pos, stickAxis, 0);
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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 * Constructor with given explicit axis and axisSymbol
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63 * @param text the text to display.
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64 * @param pos the position at which to draw the text and mark.
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65 * @param stickAxis the axis at which to stick (and to which 'pos' is
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66 * relative).
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67 */
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68 public StickyAxisAnnotation(String text, float pos, SimpleAxis stickAxis,
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69 int axisSymbol
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70 ) {
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71 setStickyAxis(stickAxis);
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72 this.text = text;
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73 this.pos = pos;
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74 this.axisSymbol = axisSymbol;
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75 this.hitPoint = Float.NaN;
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76 }
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77
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78
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79 /**
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80 * Sets the "sticky axis" (whether to draw annotations at the
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81 * X- or the Y-Axis.
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82 *
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83 * @param stickyAxis axis to stick to.
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84 */
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85 public void setStickyAxis(SimpleAxis stickyAxis) {
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86 this.stickyAxis = stickyAxis;
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87 }
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88
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89
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90 public float getPos() {
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91 return this.pos;
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92 }
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93
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94 public SimpleAxis getStickyAxis() {
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95 return this.stickyAxis;
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96 }
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97
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98 public boolean atX() {
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99 return this.getStickyAxis() == SimpleAxis.X_AXIS;
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100 }
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101
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102 /** Get text to be displayed at axis. */
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103 public String getText() {
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104 return this.text;
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105 }
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106
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107
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108 public int getAxisSymbol() {
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109 return this.axisSymbol;
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110 }
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111
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112
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113 /** Set where to hit a curve (if any). */
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114 public void setHitPoint(float pos) {
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115 this.hitPoint = pos;
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116 }
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117
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118 /** Get where to hit a curve (if any). */
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119 public float getHitPoint() {
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120 return this.hitPoint;
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121 }
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122
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123 /** Set sticky axis to the X axis if it is currently Y, and vice versa. */
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124 public void flipStickyAxis() {
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125 if (this.getStickyAxis() == SimpleAxis.X_AXIS) {
7dc4681a2bed Allow easy change of sticky axis for annotations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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126 this.setStickyAxis(SimpleAxis.Y_AXIS);
7dc4681a2bed Allow easy change of sticky axis for annotations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2163
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127 }
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2163
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128 else {
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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129 this.setStickyAxis(SimpleAxis.X_AXIS);
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130 }
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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131 }
1039
cf39205df113 Part of refactoring (see next commit).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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132 }
1711
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1167
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133 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org