Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/jfree/StickyAxisAnnotation.java @ 2424:092e519ff461
merged flys-artifacts/2.6.1
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:26 +0200 |
| parents | 105097966111 |
| children | 7dc4681a2bed |
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| 2392:8112ec686a9a | 2424:092e519ff461 |
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| 1 package de.intevation.flys.jfree; | |
| 2 | |
| 3 import org.apache.log4j.Logger; | |
| 4 | |
| 5 | |
| 6 /** | |
| 7 * Custom Annotations class that is drawn only if no collisions with other | |
| 8 * already drawn CustomAnnotations in current plot are found. A mark on | |
| 9 * the axis is shown in all cases, though. | |
| 10 * Draws a given text and a line to it from either axis. | |
| 11 */ | |
| 12 public class StickyAxisAnnotation { | |
| 13 | |
| 14 /** Logger for this class. */ | |
| 15 private static Logger logger = | |
| 16 Logger.getLogger(StickyAxisAnnotation.class); | |
| 17 | |
| 18 /** Simplified view on axes. */ | |
| 19 public static enum SimpleAxis { | |
| 20 X_AXIS, /** Usually "horizontal". */ | |
| 21 Y_AXIS /** Usually "vertical". */ | |
| 22 } | |
| 23 | |
| 24 /** The "symbolic" integer representing which axis to stick to. */ | |
| 25 protected int axisSymbol; | |
| 26 | |
| 27 /** Which axis to stick to. */ | |
| 28 protected SimpleAxis stickyAxis = SimpleAxis.X_AXIS; | |
| 29 | |
| 30 /** The 1-dimensional position of this annotation. */ | |
| 31 protected float pos; | |
| 32 | |
| 33 String text; | |
| 34 | |
| 35 /** | |
| 36 * Constructor with implicit sticky x-axis. | |
| 37 * @param text the text to display. | |
| 38 * @param pos the position at which to draw the text and mark. | |
| 39 */ | |
| 40 public StickyAxisAnnotation(String text, float pos) { | |
| 41 this(text, pos, SimpleAxis.X_AXIS); | |
| 42 } | |
| 43 | |
| 44 | |
| 45 /** | |
| 46 * Constructor with given explicit axis. | |
| 47 * @param text the text to display. | |
| 48 * @param pos the position at which to draw the text and mark. | |
| 49 * @param stickyAxis the axis at which to stick (and to which 'pos' is | |
| 50 * relative). | |
| 51 * @param lineTo upto where to draw a line (NaN for none). | |
| 52 */ | |
| 53 public StickyAxisAnnotation(String text, float pos, SimpleAxis stickAxis | |
| 54 ) { | |
| 55 this(text, pos, stickAxis, 0); | |
| 56 } | |
| 57 | |
| 58 public StickyAxisAnnotation(String text, float pos, SimpleAxis stickAxis, | |
| 59 int axisSymbol | |
| 60 ) { | |
| 61 setStickyAxis(stickAxis); | |
| 62 this.text = text; | |
| 63 this.pos = pos; | |
| 64 this.axisSymbol = axisSymbol; | |
| 65 } | |
| 66 | |
| 67 | |
| 68 /** | |
| 69 * Sets the "sticky axis" (whether to draw annotations at the | |
| 70 * X- or the Y-Axis. | |
| 71 * | |
| 72 * @param stickyAxis axis to stick to. | |
| 73 */ | |
| 74 public void setStickyAxis(SimpleAxis stickyAxis) { | |
| 75 this.stickyAxis = stickyAxis; | |
| 76 } | |
| 77 | |
| 78 | |
| 79 public float getPos() { | |
| 80 return this.pos; | |
| 81 } | |
| 82 | |
| 83 public SimpleAxis getStickyAxis() { | |
| 84 return this.stickyAxis; | |
| 85 } | |
| 86 | |
| 87 public boolean atX() { | |
| 88 return this.getStickyAxis() == SimpleAxis.X_AXIS; | |
| 89 } | |
| 90 | |
| 91 public String getText() { | |
| 92 return this.text; | |
| 93 } | |
| 94 | |
| 95 public int getAxisSymbol() { | |
| 96 return this.axisSymbol; | |
| 97 } | |
| 98 } | |
| 99 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |