@Override
public void redraw() {
setupCSS(svgp);
final StyleLibrary style = context.getStyleResult().getStyleLibrary();
double dotsize = style.getLineWidth(StyleLibrary.PLOT);
for (DBIDIter id = sample.getSample().iter(); id.valid(); id.advance()) {
double[] v = proj.fastProjectDataToRenderSpace(rel.get(id));
if (v[0] != v[0] || v[1] != v[1]) {
continue; // NaN!
}
Element tooltip = makeTooltip(id, v[0], v[1], dotsize);
SVGUtil.addCSSClass(tooltip, TOOLTIP_HIDDEN);
// sensitive area.
Element area = svgp.svgRect(v[0] - dotsize, v[1] - dotsize, 2 * dotsize, 2 * dotsize);
SVGUtil.addCSSClass(area, TOOLTIP_AREA);
EventTarget targ = (EventTarget) area;
targ.addEventListener(SVGConstants.SVG_MOUSEOVER_EVENT_TYPE, hoverer, false);
targ.addEventListener(SVGConstants.SVG_MOUSEOUT_EVENT_TYPE, hoverer, false);
targ.addEventListener(SVGConstants.SVG_CLICK_EVENT_TYPE, hoverer, false);
// NOTE: do not change the sequence in which these are inserted!
layer.appendChild(area);
layer.appendChild(tooltip);
}
}
@Override
public void fullRedraw() {
setupCanvas();
final StyleLibrary style = context.getStyleLibrary();
CSSClass css = new CSSClass(svgp, POLYS);
// TODO: separate fill and line colors?
css.setStatement(
SVGConstants.CSS_STROKE_WIDTH_PROPERTY, style.getLineWidth(StyleLibrary.POLYGONS));
css.setStatement(SVGConstants.CSS_STROKE_PROPERTY, style.getColor(StyleLibrary.POLYGONS));
css.setStatement(SVGConstants.CSS_FILL_PROPERTY, SVGConstants.CSS_NONE_VALUE);
svgp.addCSSClassOrLogError(css);
svgp.updateStyleElement();
// draw data
for (DBIDIter iditer = rep.iterDBIDs(); iditer.valid(); iditer.advance()) {
try {
PolygonsObject poly = rep.get(iditer);
if (poly == null) {
continue;
}
SVGPath path = new SVGPath();
for (Polygon ppoly : poly.getPolygons()) {
Vector first = ppoly.get(0);
double[] f = proj.fastProjectDataToRenderSpace(first.getArrayRef());
path.moveTo(f[0], f[1]);
for (ArrayListIter<Vector> it = ppoly.iter(); it.valid(); it.advance()) {
if (it.getOffset() == 0) {
continue;
}
double[] p = proj.fastProjectDataToRenderSpace(it.get().getArrayRef());
path.drawTo(p[0], p[1]);
}
// close path.
path.drawTo(f[0], f[1]);
}
Element e = path.makeElement(svgp);
SVGUtil.addCSSClass(e, POLYS);
layer.appendChild(e);
} catch (ObjectNotFoundException e) {
// ignore.
}
}
}
/** Adds the required CSS-Classes */
private void addCSSClasses() {
// Class for the epsilon-value
final StyleLibrary style = context.getStyleLibrary();
if (!svgp.getCSSClassManager().contains(CSS_EPSILON)) {
final CSSClass label = new CSSClass(svgp, CSS_EPSILON);
label.setStatement(
SVGConstants.CSS_FILL_PROPERTY, style.getTextColor(StyleLibrary.AXIS_LABEL));
label.setStatement(
SVGConstants.CSS_FONT_FAMILY_PROPERTY, style.getFontFamily(StyleLibrary.AXIS_LABEL));
label.setStatement(
SVGConstants.CSS_FONT_SIZE_PROPERTY, style.getTextSize(StyleLibrary.AXIS_LABEL));
svgp.addCSSClassOrLogError(label);
}
// Class for the epsilon cut line
if (!svgp.getCSSClassManager().contains(CSS_LINE)) {
final CSSClass lcls = new CSSClass(svgp, CSS_LINE);
lcls.setStatement(SVGConstants.CSS_STROKE_PROPERTY, style.getColor(StyleLibrary.PLOT));
lcls.setStatement(
SVGConstants.CSS_STROKE_WIDTH_PROPERTY, 0.5 * style.getLineWidth(StyleLibrary.PLOT));
svgp.addCSSClassOrLogError(lcls);
}
}