Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/jfree/StickyAxisAnnotation.java @ 3642:83c0735092a3
FixA: Increase Q max about 5% if storing as AT file.
flys-artifacts/trunk@5362 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Wed, 05 Sep 2012 08:23:56 +0000 |
parents | d9af29a4bb85 |
children | 6ed8ebd48d6e |
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package de.intevation.flys.jfree; import org.apache.log4j.Logger; /** * Custom Annotations class that is drawn only if no collisions with other * already drawn CustomAnnotations in current plot are found. A mark on * the axis is shown in all cases, though. * Draws a given text and a line to it from either axis. */ public class StickyAxisAnnotation { /** Logger for this class. */ private static Logger logger = Logger.getLogger(StickyAxisAnnotation.class); /** Simplified view on axes. */ public static enum SimpleAxis { X_AXIS, /** Usually "horizontal". */ Y_AXIS, /** Usually "vertical". */ Y_AXIS2 } /** The "symbolic" integer representing which axis to stick to. */ protected int axisSymbol; /** Which axis to stick to. */ protected SimpleAxis stickyAxis = SimpleAxis.X_AXIS; /** The 1-dimensional position of this annotation. */ protected float pos; /** * Optional field used when from axis a line should be drawn that * hits a curve or something similar (current scenario: duration curves). * This value is in the "other" dimension than the pos - field. */ protected float hitPoint; /** The text to display at axis. */ String text; /** * Constructor with implicit sticky x-axis. * @param text the text to display. * @param pos the position at which to draw the text and mark. */ public StickyAxisAnnotation(String text, float pos) { this(text, pos, SimpleAxis.X_AXIS); } /** * Constructor with given explicit axis. * @param text the text to display. * @param pos the position at which to draw the text and mark. * @param stickAxis the axis at which to stick (and to which 'pos' is * relative). */ public StickyAxisAnnotation(String text, float pos, SimpleAxis stickAxis ) { this(text, pos, stickAxis, 0); } /** * Constructor with given explicit axis and axisSymbol * @param text the text to display. * @param pos the position at which to draw the text and mark. * @param stickAxis the axis at which to stick (and to which 'pos' is * relative). */ public StickyAxisAnnotation(String text, float pos, SimpleAxis stickAxis, int axisSymbol ) { setStickyAxis(stickAxis); this.text = text; this.pos = pos; this.axisSymbol = axisSymbol; this.hitPoint = Float.NaN; } /** * Sets the "sticky axis" (whether to draw annotations at the * X- or the Y-Axis. * * @param stickyAxis axis to stick to. */ public void setStickyAxis(SimpleAxis stickyAxis) { this.stickyAxis = stickyAxis; } public float getPos() { return this.pos; } public SimpleAxis getStickyAxis() { return this.stickyAxis; } public boolean atX() { return this.getStickyAxis() == SimpleAxis.X_AXIS; } /** Get text to be displayed at axis. */ public String getText() { return this.text; } public int getAxisSymbol() { return this.axisSymbol; } /** Set where to hit a curve (if any). */ public void setHitPoint(float pos) { this.hitPoint = pos; } /** Get where to hit a curve (if any). */ public float getHitPoint() { return this.hitPoint; } /** Set sticky axis to the X axis if it is currently Y, and vice versa. */ public void flipStickyAxis() { if (this.getStickyAxis() == SimpleAxis.X_AXIS) { this.setStickyAxis(SimpleAxis.Y_AXIS); } else { this.setStickyAxis(SimpleAxis.X_AXIS); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :