@Override
public void incrementalRedraw() {
if (layer == null) {
makeLayerElement();
addCSSClasses();
}
// TODO make the number of digits configurable
final String label = (epsilon > 0.0) ? FormatUtil.NF4.format(epsilon) : "";
// compute absolute y-value of bar
final double yAct = getYFromEpsilon(epsilon);
if (elemText == null) {
elemText = svgp.svgText(StyleLibrary.SCALE * 1.05, yAct, label);
SVGUtil.setAtt(elemText, SVGConstants.SVG_CLASS_ATTRIBUTE, CSS_EPSILON);
layer.appendChild(elemText);
} else {
elemText.setTextContent(label);
SVGUtil.setAtt(elemText, SVGConstants.SVG_Y_ATTRIBUTE, yAct);
}
// line and handle
if (elementLine == null) {
elementLine = svgp.svgLine(0, yAct, StyleLibrary.SCALE * 1.04, yAct);
SVGUtil.addCSSClass(elementLine, CSS_LINE);
layer.appendChild(elementLine);
} else {
SVGUtil.setAtt(elementLine, SVG12Constants.SVG_Y1_ATTRIBUTE, yAct);
SVGUtil.setAtt(elementLine, SVG12Constants.SVG_Y2_ATTRIBUTE, yAct);
}
if (elementPoint == null) {
elementPoint = svgp.svgCircle(StyleLibrary.SCALE * 1.04, yAct, StyleLibrary.SCALE * 0.004);
SVGUtil.addCSSClass(elementPoint, CSS_LINE);
layer.appendChild(elementPoint);
} else {
SVGUtil.setAtt(elementPoint, SVG12Constants.SVG_CY_ATTRIBUTE, yAct);
}
if (eventarea == null) {
eventarea =
new DragableArea(
svgp,
StyleLibrary.SCALE,
-StyleLibrary.SCALE * 0.01, //
StyleLibrary.SCALE * 0.1,
plotheight + StyleLibrary.SCALE * 0.02,
this);
layer.appendChild(eventarea.getElement());
}
}
@Override
public void destroy() {
super.destroy();
eventarea.destroy();
}