public JPanel update(Object[] geos) {
this.geos = geos;
if (!checkGeos(geos)) return null;
tfAnimStep.removeActionListener(this);
// check if properties have same values
GeoElement temp, geo0 = (GeoElement) geos[0];
boolean equalStep = true;
boolean onlyAngles = true;
for (int i = 0; i < geos.length; i++) {
temp = (GeoElement) geos[i];
// same object visible value
if (!Kernel.isEqual(geo0.getAnimationStep(), temp.getAnimationStep())) equalStep = false;
if (!(temp.isGeoAngle())) onlyAngles = false;
}
// set trace visible checkbox
// int oldDigits = kernel.getMaximumFractionDigits();
// kernel.setMaximumFractionDigits(PropertiesDialog.TEXT_FIELD_FRACTION_DIGITS);
StringTemplate highPrecision =
StringTemplate.printDecimals(
StringType.GEOGEBRA, PropertiesDialog.TEXT_FIELD_FRACTION_DIGITS, false);
if (equalStep) {
GeoElement stepGeo = geo0.getAnimationStepObject();
if (onlyAngles && (stepGeo == null || (!stepGeo.isLabelSet() && stepGeo.isIndependent())))
tfAnimStep.setText(kernel.formatAngle(geo0.getAnimationStep(), highPrecision).toString());
else tfAnimStep.setText(stepGeo.getLabel(highPrecision));
} else tfAnimStep.setText("");
tfAnimStep.addActionListener(this);
return this;
}
@Override
public final void update() {
isVisible = geo.isEuclidianVisible();
if (!isVisible) return;
labelVisible = geo.isLabelVisible();
updateStrokes(n);
if (!geo.getDrawAlgorithm().equals(geo.getParentAlgorithm())) init();
if (gp == null) gp = new GeneralPathClipped(view);
else gp.reset();
// init gp
double aRW = a.getDouble();
double bRW = b.getDouble();
// for DrawParametricCurve.plotCurve to work with special values,
// these changes are needed (also filter out out of screen integrals)
// see #1234
aRW = Math.max(aRW, view.getXmin() - EuclidianStatic.CLIP_DISTANCE);
if (aRW > view.getXmax() + EuclidianStatic.CLIP_DISTANCE) return;
bRW = Math.min(bRW, view.getXmax() + EuclidianStatic.CLIP_DISTANCE);
if (bRW < view.getXmin() - EuclidianStatic.CLIP_DISTANCE) return;
double ax = view.toScreenCoordXd(aRW);
double bx = view.toScreenCoordXd(bRW);
float y0 = (float) view.getyZero();
// plot definite integral
if (Kernel.isEqual(aRW, bRW)) {
gp.moveTo(ax, y0);
gp.lineTo(ax, view.toScreenCoordYd(f.evaluate(aRW)));
gp.lineTo(ax, y0);
return;
}
gp.moveTo(ax, y0);
DrawParametricCurve.plotCurve(f, aRW, bRW, view, gp, false, DrawParametricCurve.GAP_LINE_TO);
gp.lineTo(bx, y0);
gp.lineTo(ax, y0);
// gp on screen?
if (!gp.intersects(0, 0, view.getWidth(), view.getHeight())) {
isVisible = false;
// don't return here to make sure that getBounds() works for
// offscreen points too
}
if (labelVisible) {
xLabel = (int) Math.round((ax + bx) / 2) - 6;
yLabel = (int) view.getyZero() - view.getFontSize();
labelDesc = geo.getLabelDescription();
addLabelOffset();
}
}
private void addAxesRatioItems(JMenu menu) {
ActionListener al =
new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
zoomYaxis(Double.parseDouble(e.getActionCommand()));
} catch (Exception ex) {
}
}
};
// get current axes ratio
double scaleRatio = ((AbstractEuclidianView) app.getActiveEuclidianView()).getScaleRatio();
JMenuItem mi;
// int perc;
// ImageIcon icon;
boolean separatorAdded = false;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < axesRatios.length; i++) {
// build text like "1 : 2"
sb.setLength(0);
if (axesRatios[i] > 1.0) {
sb.append((int) axesRatios[i]);
sb.append(" : 1");
if (!separatorAdded) {
menu.addSeparator();
separatorAdded = true;
}
} else { // factor
if (axesRatios[i] == 1) menu.addSeparator();
sb.append("1 : ");
sb.append((int) (1.0 / axesRatios[i]));
}
mi = new JCheckBoxMenuItem(sb.toString());
mi.setSelected(Kernel.isEqual(axesRatios[i], scaleRatio));
mi.setActionCommand("" + axesRatios[i]);
mi.addActionListener(al);
mi.setBackground(getBackground());
menu.add(mi);
}
}