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annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/StickyAxisAnnotation.java @ 2161:c68f4f227c09

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Somewhat unified Annotation handling, use jfreechart-house-toolkit instead of custom StickyAxisAnnotation. flys-artifacts/trunk@3747 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Mon, 23 Jan 2012 10:44:34 +0000
parents 59622ba800c8
children 105097966111
rev   line source
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1 package de.intevation.flys.jfree;
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2
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3 import org.apache.log4j.Logger;
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4
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5
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6 /**
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7 * Custom Annotations class that is drawn only if no collisions with other
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8 * already drawn CustomAnnotations in current plot are found. A mark on
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9 * the axis is shown in all cases, though.
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10 * Draws a given text and a line to it from either axis.
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11 */
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12 public class StickyAxisAnnotation {
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13
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14 /** Logger for this class. */
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15 private static Logger logger =
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16 Logger.getLogger(StickyAxisAnnotation.class);
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17
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18 /** Simplified view on axes. */
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19 public static enum SimpleAxis {
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20 X_AXIS, /** Usually "horizontal". */
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21 Y_AXIS /** Usually "vertical". */
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22 }
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23
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24 /** Which axis to stick to. */
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25 protected SimpleAxis stickyAxis = SimpleAxis.X_AXIS;
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26
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27 /** The 1-dimensional position of this annotation. */
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28 protected float pos;
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29
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30 String text;
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31
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32 /**
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33 * Constructor with implicit sticky x-axis.
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34 * @param text the text to display.
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35 * @param pos the position at which to draw the text and mark.
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36 */
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37 public StickyAxisAnnotation(String text, float pos) {
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38 this(text, pos, SimpleAxis.X_AXIS);
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39 }
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40
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41
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42 /**
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43 * Constructor with given explicit axis.
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44 * @param text the text to display.
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45 * @param pos the position at which to draw the text and mark.
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46 * @param stickyAxis the axis at which to stick (and to which 'pos' is
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47 * relative).
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48 * @param lineTo upto where to draw a line (NaN for none).
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49 */
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50 public StickyAxisAnnotation(String text, float pos, SimpleAxis stickAxis
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51 ) {
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52 setStickyAxis(stickAxis);
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53 this.text = text;
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54 this.pos = pos;
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55 }
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56
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57
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58 /**
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59 * Sets the "sticky axis" (whether to draw annotations at the
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60 * X- or the Y-Axis.
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61 *
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62 * @param stickyAxis axis to stick to.
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63 */
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64 public void setStickyAxis(SimpleAxis stickyAxis) {
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65 this.stickyAxis = stickyAxis;
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66 }
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67
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68
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69 public float getPos() {
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70 return this.pos;
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71 }
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72
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73 public SimpleAxis getStickyAxis() {
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74 return this.stickyAxis;
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75 }
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76
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77 public boolean atX() {
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78 return this.getStickyAxis() == SimpleAxis.X_AXIS;
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79 }
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80
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81 public String getText() {
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82 return this.text;
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83 }
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84 }
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85 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org