/*
* (non-Javadoc)
*
* @see glowaxes.plots.IPlotter#render()
*/
public Element render() {
Data data = getData();
logger.info("Generating chart from " + this.getClass().getCanonicalName());
if (data.getParentArea().getYAxis().getType() != "date"
&& data.getParentArea().getYAxis().getType() != "category"
&& data.getParentArea().getYAxis().getType() != "number") {
throw new RuntimeException("Chart must have a date, category or number axis!");
}
Element area = new Element("g");
area.setAttribute("desc", "data");
Group plotSet = data.getGroup();
// debug code
// logger.error("max of x: " + data.getGroup().getXMaxSeriesList());
// logger.error("min of x: " + data.getGroup().getXMinSeriesList());
// logger.error("max of y: " + data.getGroup().getYMaxSeriesList());
// logger.error("min of y: " + data.getGroup().getYMinSeriesList());
for (int i = 0; i < plotSet.getSize(); i++) {
Series mySeries = plotSet.getSeries(i);
for (int j = 0; j < mySeries.getSize(); j++) {
Value myValue = plotSet.getSeries(i).getValue(j);
// add the polygon (the bar)
area.addContent(drawValue(myValue));
} // for mySeries
} // for plotSet
return area;
}
/*
* (non-Javadoc)
*
* @see glowaxes.plots.IPlotter#drawValue(glowaxes.data.Value)
*/
public Element drawValue(Value value) {
double x;
double y;
Data data = getData();
// get svg x point
x = data.getParentArea().getXAxis().getSVGOffset(value);
// get svg y point
y = data.getParentArea().getYAxis().getSVGOffset(value);
// get svn 0 point
Value v = new Value();
v.setY(0);
double y0 = data.getParentArea().getYAxis().getSVGOffset(v);
// get ready to process element polygon
Element polygon = new Element("polygon");
polygon.setAttribute("desc", "column");
if (data.getEffect() != null) {
polygon.setAttribute("filter", "url(#" + data.getEffect() + ")");
}
double yd = y;
// negative numbers are taken into account
double yOffset =
data.getParentArea().getGlyphHeight() - (data.getParentArea().getGlyphHeight() - y0);
double x0 = x + getWidth() / 2;
double x1 = x - getWidth() / 2;
if (x1 < 0) x1 = 0;
double length = data.getParentArea().getXAxis().getLength();
if (x0 > length) x0 = length;
// if value has a style: use it, otherwise use the default
if (value.getShapeStyle() != null) polygon.setAttribute("style", value.getShapeStyle());
polygon.setAttribute(
"points",
x0 + "," + yOffset + " " + x0 + "," + yd + " " + x1 + "," + yd + " " + x1 + "," + yOffset);
double xMap = data.getParentArea().getXOffsetChart();
double yMap = data.getParentArea().getYOffsetChart();
x0 += xMap;
yOffset += yMap;
yd += yMap;
x1 += xMap;
if (data.getLabels().getPopup().equalsIgnoreCase("true")) {
data.getParentArea()
.getParentChart()
.setAreaMap(
"polygon",
"" + x0 + "," + yOffset + ", " + x0 + "," + yd + ", " + x1 + "," + yd + ", " + x1
+ "," + yOffset,
value.getLabelEvents(),
replaceLabel(
(value.getLabel() != null) ? value.getLabel().getText().toString() : "", value),
value.getLabelHref());
} else if (data.getLabels().getPopup().equalsIgnoreCase("html")
&& data.getLabels().getText() != null) {
String xml = replaceLabel(data.getLabels().getText(), value);
data.getParentArea()
.getParentChart()
.setAreaMap(
"polygon",
"" + x0 + "," + yOffset + ", " + x0 + "," + yd + ", " + x1 + "," + yd + ", " + x1
+ "," + yOffset,
null,
xml,
value.getLabelHref());
}
return polygon;
}
