Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/StickyAxisAnnotation.java @ 4282:8b4988815974

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Added marker for Ws and Qs in Historical Discharge WQ charts. Therefore, the XYChartGenerator got two new methods addDomainMarker(Marker, boolean) and addValueMarker(Marker, boolean). The boolean parameters determine, if the marker should be visible or not. This is analogous to addAxisSeries(XYSeries, int, boolean).
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 29 Oct 2012 05:59:27 +0100
parents 293a0d098606
children
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 * Text, position on axis, and maybe a hit-point in a class.
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5 *
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6 * Idea is to draw a given text and a line to it from either axis.
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7 * This class just keeps the info.
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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>
parents: 2163
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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 }
7dc4681a2bed Allow easy change of sticky axis for annotations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2163
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128 else {
7dc4681a2bed Allow easy change of sticky axis for annotations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2163
diff changeset
129 this.setStickyAxis(SimpleAxis.X_AXIS);
7dc4681a2bed Allow easy change of sticky axis for annotations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2163
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130 }
7dc4681a2bed Allow easy change of sticky axis for annotations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2163
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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 :
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