protected void drawDataSet(Canvas c, PieDataSet dataSet) {
float angle = mChart.getRotationAngle();
List<Entry> entries = dataSet.getYVals();
float[] drawAngles = mChart.getDrawAngles();
for (int j = 0; j < entries.size(); j++) {
float newangle = drawAngles[j];
float sliceSpace = dataSet.getSliceSpace();
Entry e = entries.get(j);
// draw only if the value is greater than zero
if ((Math.abs(e.getVal()) > 0.000001)) {
if (!mChart.needsHighlight(e.getXIndex(), mChart.getData().getIndexOfDataSet(dataSet))) {
mRenderPaint.setColor(dataSet.getColor(j));
mBitmapCanvas.drawArc(
mChart.getCircleBox(),
(angle + sliceSpace / 2f) * mAnimator.getPhaseY(),
(newangle - sliceSpace / 2f) * mAnimator.getPhaseY(),
true,
mRenderPaint);
}
}
angle += newangle * mAnimator.getPhaseX();
}
}
protected void drawRoundedSlices(Canvas c) {
if (!mChart.isDrawRoundedSlicesEnabled()) return;
PieDataSet dataSet = mChart.getData().getDataSet();
if (!dataSet.isVisible()) return;
PointF center = mChart.getCenterCircleBox();
float r = mChart.getRadius();
// calculate the radius of the "slice-circle"
float circleRadius = (r - (r * mChart.getHoleRadius() / 100f)) / 2f;
List<Entry> entries = dataSet.getYVals();
float[] drawAngles = mChart.getDrawAngles();
float angle = mChart.getRotationAngle();
for (int j = 0; j < entries.size(); j++) {
float newangle = drawAngles[j];
Entry e = entries.get(j);
// draw only if the value is greater than zero
if ((Math.abs(e.getVal()) > 0.000001)) {
float x =
(float)
((r - circleRadius)
* Math.cos(Math.toRadians((angle + newangle) * mAnimator.getPhaseY()))
+ center.x);
float y =
(float)
((r - circleRadius)
* Math.sin(Math.toRadians((angle + newangle) * mAnimator.getPhaseY()))
+ center.y);
mRenderPaint.setColor(dataSet.getColor(j));
mBitmapCanvas.drawCircle(x, y, circleRadius, mRenderPaint);
}
angle += newangle * mAnimator.getPhaseX();
}
}
/**
* This method takes in a scrollable pane, and populates it with entries from a linked list Each
* entry fills up a JTextArea
*
* @param financesTransactionList_SCP
* @param transactionList
*/
private void renderList(JPanel ListPane, LinkedList<Entry> transactionList) {
int size = transactionList.size();
for (int i = 0; i < size; ++i) {
JPanel tempPanel = new JPanel(new MigLayout("flowy", "5[280]5", "[]"));
tempPanel.setBackground(new Color(255, 255, 255));
JTextArea entry = new JTextArea();
String entryText = new String();
Entry tempEntry = transactionList.get(i);
entryText += "ID:\t" + Integer.toString(tempEntry.getId()) + "\n";
switch (tempEntry.getTransactionType()) {
case 0:
entryText += "Income\t";
break;
case 1:
case 2:
entryText += "Expense\t";
break;
case 3:
entryText += "Repay Loan\t";
break;
case 4:
entryText += "Take Loan\t";
break;
case 5:
entryText += "Asset Transfer\t";
break;
case 6:
entryText += "Liability Transfer\t";
break;
default:
entryText += "Unspecified Type!";
break;
}
entryText += Double.toString(tempEntry.getAmount()) + "\n";
entryText += "From:\t" + tempEntry.getCategory1() + "\n";
entryText += "To:\t" + tempEntry.getCategory2() + "\n";
entry.setText(entryText);
tempPanel.add(entry);
JLabel financesDescription_LBL =
new JLabel("<html>" + tempEntry.getDescription() + "</html>");
financesDescription_LBL.setFont(new Font("SanSerif", Font.ITALIC, 12));
tempPanel.add(financesDescription_LBL);
ListPane.add(tempPanel, "alignx left, gapx 2px 5px, gapy 2px 2px, top");
ListPane.validate();
}
}
@Override
public void drawValues(Canvas c) {
PointF center = mChart.getCenterCircleBox();
// get whole the radius
float r = mChart.getRadius();
float rotationAngle = mChart.getRotationAngle();
float[] drawAngles = mChart.getDrawAngles();
float[] absoluteAngles = mChart.getAbsoluteAngles();
float off = r / 10f * 3.6f;
if (mChart.isDrawHoleEnabled()) {
off = (r - (r / 100f * mChart.getHoleRadius())) / 2f;
}
r -= off; // offset to keep things inside the chart
PieData data = mChart.getData();
List<PieDataSet> dataSets = data.getDataSets();
boolean drawXVals = mChart.isDrawSliceTextEnabled();
int cnt = 0;
for (int i = 0; i < dataSets.size(); i++) {
PieDataSet dataSet = dataSets.get(i);
if (!dataSet.isDrawValuesEnabled() && !drawXVals) continue;
// apply the text-styling defined by the DataSet
applyValueTextStyle(dataSet);
float lineHeight = Utils.calcTextHeight(mValuePaint, "Q") + Utils.convertDpToPixel(4f);
List<Entry> entries = dataSet.getYVals();
for (int j = 0,
maxEntry =
Math.min((int) Math.ceil(entries.size() * mAnimator.getPhaseX()), entries.size());
j < maxEntry;
j++) {
Entry entry = entries.get(j);
// offset needed to center the drawn text in the slice
float offset = drawAngles[cnt] / 2;
// calculate the text position
float x =
(float)
(r
* Math.cos(
Math.toRadians(
(rotationAngle + absoluteAngles[cnt] - offset)
* mAnimator.getPhaseY()))
+ center.x);
float y =
(float)
(r
* Math.sin(
Math.toRadians(
(rotationAngle + absoluteAngles[cnt] - offset)
* mAnimator.getPhaseY()))
+ center.y);
float value =
mChart.isUsePercentValuesEnabled()
? entry.getVal() / data.getYValueSum() * 100f
: entry.getVal();
ValueFormatter formatter = dataSet.getValueFormatter();
boolean drawYVals = dataSet.isDrawValuesEnabled();
// draw everything, depending on settings
if (drawXVals && drawYVals) {
drawValue(c, formatter, value, entry, 0, x, y);
if (j < data.getXValCount())
c.drawText(data.getXVals().get(j), x, y + lineHeight, mValuePaint);
} else if (drawXVals && !drawYVals) {
if (j < data.getXValCount())
c.drawText(data.getXVals().get(j), x, y + lineHeight / 2f, mValuePaint);
} else if (!drawXVals && drawYVals) {
drawValue(c, formatter, value, entry, 0, x, y + lineHeight / 2f);
}
cnt++;
}
}
}