// returns the number of points in this graph (equal to the
// *maximum* length of an axis, or zero if at least one axis is
// completely empty)
private int getNumberOfPoints() {
int xSize = xAxis.getData().length;
int ySize = yAxis.getData().length;
if (xSize == 0 || ySize == 0) {
return 0;
} else if (xSize > ySize) {
return xSize;
} else {
return ySize;
}
}
public String convertData(int s[]) {
dataCode = "";
if (xAxis.getDataLen() != s.length) return "";
// dataCode += "var "+varName+"=[";
dataCode += "[";
for (int i = 0; i < s.length; i++) {
if (xAxis.getDateLen() > -1)
dataCode += "{x:parseDate(\"" + xAxis.getData(i) + "\"),y:" + s[i] + "},";
else dataCode += "{x:" + xAxis.getData(i) + ",y:" + s[i] + "},";
}
dataCode += "]\n";
return dataCode;
}
private Boolean convertData() {
dataCode = "";
if (xAxis.getDataLen() != yAxis.getDataLen()) return false;
if (xAxis.getDateLen() > -1)
dataCode += "var parseDate = d3.time.format(\"%d-%m-%Y\").parse;\n";
dataCode += "var data=[";
for (int i = 0; i < xAxis.getDataLen(); i++) {
if (xAxis.getDateLen() > -1)
dataCode += "{x:parseDate(\"" + xAxis.getData(i) + "\"),y:" + yAxis.getData(i) + "},";
else dataCode += "{x:" + xAxis.getData(i) + ",y:" + yAxis.getData(i) + "},";
}
dataCode += "];\n";
return true;
}
// returns the Y value of the nth point in this graph. If the y
// axis does not have an nth point but the graph does, uses the last
// point in the y axis. If the y axis has no data, or if the entire
// graph does not have an nth point, throws an
// IndexOutOfBoundsException.
private BigDecimal getYValue(int n) {
if (n >= this.getNumberOfPoints()) throw new IndexOutOfBoundsException();
BigDecimal[] data = yAxis.getData();
if (n < data.length) return data[n];
else return data[data.length - 1];
}
