Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/jfree/StickyAxisAnnotation.java @ 2161:c68f4f227c09
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> |
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date | Mon, 23 Jan 2012 10:44:34 +0000 |
parents | 59622ba800c8 |
children | 105097966111 |
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--- a/flys-artifacts/src/main/java/de/intevation/flys/jfree/StickyAxisAnnotation.java Mon Jan 23 07:55:17 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/jfree/StickyAxisAnnotation.java Mon Jan 23 10:44:34 2012 +0000 @@ -2,33 +2,6 @@ import org.apache.log4j.Logger; -import java.util.Iterator; - -import java.awt.Shape; -import java.awt.geom.Rectangle2D; -import java.awt.geom.Line2D; -import java.awt.Color; -import java.awt.Font; -import java.awt.BasicStroke; - -import org.jfree.chart.annotations.XYTextAnnotation; -import org.jfree.chart.axis.ValueAxis; -import org.jfree.chart.util.LineUtilities; -import org.jfree.chart.plot.PlotOrientation; -import org.jfree.chart.plot.XYPlot; -import org.jfree.chart.entity.XYAnnotationEntity; -import org.jfree.chart.plot.PlotRenderingInfo; -import org.jfree.chart.ChartRenderingInfo; -import org.jfree.chart.plot.Plot; - -import org.jfree.data.Range; - -import org.jfree.text.TextUtilities; - -import org.jfree.ui.RectangleEdge; -import org.jfree.ui.TextAnchor; - -import de.intevation.flys.utils.ThemeAccess; /** * Custom Annotations class that is drawn only if no collisions with other @@ -36,7 +9,7 @@ * the axis is shown in all cases, though. * Draws a given text and a line to it from either axis. */ -public class StickyAxisAnnotation extends XYTextAnnotation { +public class StickyAxisAnnotation { /** Logger for this class. */ private static Logger logger = @@ -54,29 +27,7 @@ /** The 1-dimensional position of this annotation. */ protected float pos; - /** Theme attributes. */ - protected Color textColor; - protected Color lineColor; - protected Font font; - protected int lineWidth; - protected String textOrientation = "vertical"; - protected Color textBackground; - protected boolean showBackground; - - - /** - * Trivial constructor. - * - * @param text Text to display. - * @param x X-position in dataspace (typical horizontal, in km). - * @param y Y-position in dataspace (typical vertical, in m). - * @deprecated - */ - public StickyAxisAnnotation(String text, float x, float y) { - super(text, x, y); - setStickyAxis(SimpleAxis.X_AXIS); - } - + String text; /** * Constructor with implicit sticky x-axis. @@ -84,7 +35,7 @@ * @param pos the position at which to draw the text and mark. */ public StickyAxisAnnotation(String text, float pos) { - this(text, pos, pos, SimpleAxis.X_AXIS); + this(text, pos, SimpleAxis.X_AXIS); } @@ -94,23 +45,13 @@ * @param pos the position at which to draw the text and mark. * @param stickyAxis the axis at which to stick (and to which 'pos' is * relative). + * @param lineTo upto where to draw a line (NaN for none). */ - public StickyAxisAnnotation(String text, float pos, SimpleAxis stickAxis) { - super(text, pos, pos); + public StickyAxisAnnotation(String text, float pos, SimpleAxis stickAxis + ) { setStickyAxis(stickAxis); - this.pos = pos; - } - - - /** - * Legacy-Constructor. - * @deprecated - */ - public StickyAxisAnnotation(String text, float x, float y, - SimpleAxis stickAxis) { - super(text, x, y); - setStickyAxis(stickAxis); - this.pos = x; + this.text = text; + this.pos = pos; } @@ -122,238 +63,23 @@ */ public void setStickyAxis(SimpleAxis stickyAxis) { this.stickyAxis = stickyAxis; - if (stickyAxis == SimpleAxis.X_AXIS){ - float o = 270f; - if(textOrientation.equals("horizontal")) { - o = 0f; - } - this.setRotationAngle(o * (Math.PI / 180f)); - this.setRotationAnchor(TextAnchor.CENTER_LEFT); - this.setTextAnchor(TextAnchor.CENTER_LEFT); - } else { - this.setRotationAngle(0f * (Math.PI / 180f)); - this.setRotationAnchor(TextAnchor.CENTER_LEFT); - this.setTextAnchor(TextAnchor.CENTER_LEFT); - } - } - - - /** - * Draws a small line at axis where this annotation resides. - * - * @param g2 the graphics device. - * @param dataArea the data area. - * @param domainAxis the domain axis. - * @param rangeAxis the range axis. - * @param domainEdge the domain edge. - * @param rangeEdge the range edge. - * @param orientation the plot orientation. - */ - protected void drawAxisMark( - java.awt.Graphics2D g2, - java.awt.geom.Rectangle2D dataArea, - ValueAxis domainAxis, - ValueAxis rangeAxis, - RectangleEdge domainEdge, - RectangleEdge rangeEdge, - PlotOrientation orientation) { - float j2DX1 = 0.0f; - float j2DX2 = 0.0f; - float j2DY1 = 0.0f; - float j2DY2 = 0.0f; - float x = (float) getX(); - float y = (float) getY(); - /* When dependent on X/Y-Axis and orientation, following - can be used as a base: - if (orientation == PlotOrientation.VERTICAL) { - j2DX1 = (float) domainAxis.valueToJava2D(x, dataArea, - domainEdge); - j2DY1 = (float) rangeAxis.valueToJava2D(y, dataArea, - rangeEdge); - j2DX2 = (float) domainAxis.valueToJava2D(x, dataArea, - domainEdge); - j2DY2 = (float) rangeAxis.valueToJava2D(y, dataArea, - rangeEdge); - } - else if (orientation == PlotOrientation.HORIZONTAL) { - j2DY1 = (float) domainAxis.valueToJava2D(x, dataArea, - domainEdge); - j2DX1 = (float) rangeAxis.valueToJava2D(y, dataArea, - rangeEdge); - j2DY2 = (float) domainAxis.valueToJava2D(x, dataArea, - domainEdge); - j2DX2 = (float) rangeAxis.valueToJava2D(y, dataArea, - rangeEdge); - } - - g2.setPaint(this.paint); - g2.setStroke(this.stroke); - */ - if (this.stickyAxis == SimpleAxis.X_AXIS) { - j2DY1 = (float) RectangleEdge.coordinate(dataArea, domainEdge); - double rangeLow = rangeAxis.getRange().getLowerBound(); - // Line ends at 1.5% of full distance. - j2DY2 = (float) rangeAxis.valueToJava2D( - (1f - 0.015f) * rangeLow + 0.015f * - rangeAxis.getRange().getUpperBound(), - dataArea, rangeEdge); - j2DX1 = (float) domainAxis.valueToJava2D(x, dataArea, domainEdge); - j2DX2 = j2DX1; - } else { - j2DX1 = (float) RectangleEdge.coordinate(dataArea, rangeEdge); - Range domainRange = domainAxis.getRange(); - double rangeLow = domainRange.getLowerBound(); - // Line ends at 1.5% of full distance. - j2DX2 = (float) domainAxis.valueToJava2D( - (1f - 0.015f) * rangeLow + 0.015f * - domainRange.getUpperBound(), - dataArea, domainEdge); - j2DY1 = (float) rangeAxis.valueToJava2D(pos, dataArea, rangeEdge); - j2DY2 = j2DY1; - } - - Line2D line = new Line2D.Float(j2DX1, j2DY1, j2DX2, j2DY2); - - // line is clipped to avoid JRE bug 6574155, for more info - // see JFreeChart bug 2221495 - boolean visible = LineUtilities.clipLine(line, dataArea); - if (visible) { - setOutlineStroke(new BasicStroke((float) lineWidth)); - g2.setStroke(getOutlineStroke()); - g2.setPaint(lineColor); - g2.draw(line); - } } - /** - * Draw the Annotation; the text only if it does not collide with other - * already drawn Annotations- texts. - * - * @param g2 the graphics device. - * @param plot the plot. - * @param dataArea the data area. - * @param domainAxis the domain axis. - * @param rangeAxis the range axis. - * @param rendererIndex the render index. - * @param info state information, escpecially collects info about - * already drawn shapes (and thus annotations), used - * for collision detection. - */ - @Override - public void draw( - java.awt.Graphics2D g2, - XYPlot plot, - java.awt.geom.Rectangle2D dataArea, - ValueAxis domainAxis, - ValueAxis rangeAxis, - int rendererIndex, - PlotRenderingInfo info) { - - if (info == null) - return; - - if (domainAxis == null || rangeAxis == null - || domainAxis.getRange() == null - || rangeAxis.getRange() == null - ) { - logger.error("Annotation cannot be drawn (missing axis)."); - return; - } - - // Calculate the bounding box. - ChartRenderingInfo chartInfo = info.getOwner(); - - PlotOrientation orientation = plot.getOrientation(); - RectangleEdge domainEdge = Plot.resolveDomainAxisLocation( - plot.getDomainAxisLocation(), orientation); - RectangleEdge rangeEdge = Plot.resolveRangeAxisLocation( - plot.getRangeAxisLocation(), orientation); - float anchorX = 0f; - float anchorY = 0.0f; - if (this.stickyAxis == SimpleAxis.X_AXIS) { - // Text starts at 2% of full distance. - float rangeLow = (float) rangeAxis.getRange().getLowerBound(); - float y = rangeLow + 0.02f * ((float) - rangeAxis.getRange().getUpperBound() - rangeLow); - setY(y); - - anchorX = (float) domainAxis.valueToJava2D( - getX(), dataArea, domainEdge); - anchorY = (float) rangeAxis.valueToJava2D( - getY(), dataArea, rangeEdge); - } else { - float rangeLow = (float) domainAxis.getRange().getLowerBound(); - float x = rangeLow + 0.02f * ((float) - domainAxis.getRange().getUpperBound() - rangeLow); - setX(x); - anchorX = (float) domainAxis.valueToJava2D( - getX(), dataArea, domainEdge); - anchorY = (float) rangeAxis.valueToJava2D( - getY(), dataArea, rangeEdge); - } - if (orientation == PlotOrientation.HORIZONTAL) { - float tempAnchor = anchorX; - anchorX = anchorY; - anchorY = tempAnchor; - } - - //Call to apply orientation. - setStickyAxis(stickyAxis); - - // Always draw the small line at axis. - drawAxisMark(g2, dataArea, domainAxis, rangeAxis, domainEdge, - rangeEdge, orientation); - - Shape hotspot = TextUtilities.calculateRotatedStringBounds( - getText(), g2, anchorX, anchorY, getTextAnchor(), - getRotationAngle(), getRotationAnchor()); - Rectangle2D hotspotBox = hotspot.getBounds2D(); - // Check for collisions with other XYAnnotations. - for (Iterator i = chartInfo.getEntityCollection().iterator(); - i.hasNext(); ) { - Object next = i.next(); - // Collision with other stuff than XYAnnotations are okay. - if (next instanceof XYAnnotationEntity) { - XYAnnotationEntity drawnShape = (XYAnnotationEntity) next; - if (drawnShape.getArea().intersects(hotspotBox)) { - // Found collision, early stop. - return; - } - } - } - - // Draw the background. - if (showBackground) { - g2.setStroke(new BasicStroke ((float) 1)); - g2.setBackground(textBackground); - g2.setPaint(textBackground); - hotspot = TextUtilities.calculateRotatedStringBounds( - getText(), g2, anchorX, anchorY, getTextAnchor(), - getRotationAngle(), getRotationAnchor()); - g2.fill(hotspot); - g2.draw(hotspot); - } - - // Draw the text. - g2.setPaint(textColor); - g2.setFont(font); - TextUtilities.drawRotatedString(getText(), g2, anchorX, anchorY, - getTextAnchor(), getRotationAngle(), getRotationAnchor()); - - // Add info that we have drawn this Annotation. - addEntity(info, hotspot, rendererIndex, getToolTipText(), getURL()); + public float getPos() { + return this.pos; } + public SimpleAxis getStickyAxis() { + return this.stickyAxis; + } - public void applyTheme(ThemeAccess ta) { - lineWidth = ta.parseLineWidth(); - lineColor = ta.parseLineColorField(); - textColor = ta.parseTextColor(); - font = ta.parseTextFont(); - textOrientation = ta.parseTextOrientation(); - textBackground = ta.parseTextBackground(); - showBackground = ta.parseShowTextBackground(); + public boolean atX() { + return this.getStickyAxis() == SimpleAxis.X_AXIS; + } + + public String getText() { + return this.text; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :