@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);
}
}
/**
* Toggle the Tooltip of an element.
*
* @param elem Element
* @param type Event type
*/
protected void toggleTooltip(Element elem, String type) {
String csscls = elem.getAttribute(SVGConstants.SVG_CLASS_ATTRIBUTE);
if (SVGConstants.SVG_MOUSEOVER_EVENT_TYPE.equals(type)) {
if (TOOLTIP_HIDDEN.equals(csscls)) {
SVGUtil.setAtt(elem, SVGConstants.SVG_CLASS_ATTRIBUTE, TOOLTIP_VISIBLE);
}
} else if (SVGConstants.SVG_MOUSEOUT_EVENT_TYPE.equals(type)) {
if (TOOLTIP_VISIBLE.equals(csscls)) {
SVGUtil.setAtt(elem, SVGConstants.SVG_CLASS_ATTRIBUTE, TOOLTIP_HIDDEN);
}
} else if (SVGConstants.SVG_CLICK_EVENT_TYPE.equals(type)) {
if (TOOLTIP_STICKY.equals(csscls)) {
SVGUtil.setAtt(elem, SVGConstants.SVG_CLASS_ATTRIBUTE, TOOLTIP_HIDDEN);
}
if (TOOLTIP_HIDDEN.equals(csscls) || TOOLTIP_VISIBLE.equals(csscls)) {
SVGUtil.setAtt(elem, SVGConstants.SVG_CLASS_ATTRIBUTE, TOOLTIP_STICKY);
}
}
}
@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 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.
}
}
}