/**
* Sets a custom ValueFormatter for all DataSets this data object contains.
*
* @param f
*/
public void setValueFormatter(ValueFormatter f) {
if (f == null) return;
else {
for (IDataSet set : mDataSets) {
set.setValueFormatter(f);
}
}
}
/**
* Removes the Entry object at the given xIndex from the DataSet at the specified index. Returns
* true if an Entry was removed, false if no Entry was found that meets the specified
* requirements.
*
* @param xIndex
* @param dataSetIndex
* @return
*/
public boolean removeEntry(int xIndex, int dataSetIndex) {
if (dataSetIndex >= mDataSets.size()) return false;
IDataSet dataSet = mDataSets.get(dataSetIndex);
Entry e = dataSet.getEntryForXIndex(xIndex);
if (e == null || e.getXIndex() != xIndex) return false;
return removeEntry(e, dataSetIndex);
}
/**
* Adds an Entry to the DataSet at the specified index. Entries are added to the end of the list.
*
* @param e
* @param dataSetIndex
*/
public void addEntry(Entry e, int dataSetIndex) {
if (mDataSets.size() > dataSetIndex && dataSetIndex >= 0) {
IDataSet set = mDataSets.get(dataSetIndex);
// add the entry to the dataset
if (!set.addEntry(e)) return;
float val = e.getVal();
if (mYValCount == 0) {
mYMin = val;
mYMax = val;
if (set.getAxisDependency() == AxisDependency.LEFT) {
mLeftAxisMax = e.getVal();
mLeftAxisMin = e.getVal();
} else {
mRightAxisMax = e.getVal();
mRightAxisMin = e.getVal();
}
} else {
if (mYMax < val) mYMax = val;
if (mYMin > val) mYMin = val;
if (set.getAxisDependency() == AxisDependency.LEFT) {
if (mLeftAxisMax < e.getVal()) mLeftAxisMax = e.getVal();
if (mLeftAxisMin > e.getVal()) mLeftAxisMin = e.getVal();
} else {
if (mRightAxisMax < e.getVal()) mRightAxisMax = e.getVal();
if (mRightAxisMin > e.getVal()) mRightAxisMin = e.getVal();
}
}
mYValCount += 1;
handleEmptyAxis(getFirstLeft(), getFirstRight());
} else {
Log.e("addEntry", "Cannot add Entry because dataSetIndex too high or too low.");
}
}
/**
* Removes the given Entry object from the DataSet at the specified index.
*
* @param e
* @param dataSetIndex
*/
public boolean removeEntry(Entry e, int dataSetIndex) {
// entry null, outofbounds
if (e == null || dataSetIndex >= mDataSets.size()) return false;
IDataSet set = mDataSets.get(dataSetIndex);
if (set != null) {
// remove the entry from the dataset
boolean removed = set.removeEntry(e);
if (removed) {
mYValCount -= 1;
calcMinMax(0, mYValCount);
}
return removed;
} else return false;
}
/**
* Returns true if highlighting of all underlying values is enabled, false if not.
*
* @return
*/
public boolean isHighlightEnabled() {
for (IDataSet set : mDataSets) {
if (!set.isHighlightEnabled()) return false;
}
return true;
}
/**
* Enables / disables highlighting values for all DataSets this data object contains. If set to
* true, this means that values can be highlighted programmatically or by touch gesture.
*/
public void setHighlightEnabled(boolean enabled) {
for (IDataSet set : mDataSets) {
set.setHighlightEnabled(enabled);
}
}
/**
* Enables / disables drawing values (value-text) for all DataSets this data object contains.
*
* @param enabled
*/
public void setDrawValues(boolean enabled) {
for (IDataSet set : mDataSets) {
set.setDrawValues(enabled);
}
}
/**
* Sets the size (in dp) of the value-text for all DataSets this data object contains.
*
* @param size
*/
public void setValueTextSize(float size) {
for (IDataSet set : mDataSets) {
set.setValueTextSize(size);
}
}
/**
* Sets the Typeface for all value-labels for all DataSets this data object contains.
*
* @param tf
*/
public void setValueTypeface(Typeface tf) {
for (IDataSet set : mDataSets) {
set.setValueTypeface(tf);
}
}
/**
* Sets the color of the value-text (color in which the value-labels are drawn) for all DataSets
* this data object contains.
*
* @param color
*/
public void setValueTextColor(int color) {
for (IDataSet set : mDataSets) {
set.setValueTextColor(color);
}
}
/** calc minimum and maximum y value over all datasets */
public void calcMinMax(int start, int end) {
if (mDataSets == null || mDataSets.size() < 1) {
mYMax = 0f;
mYMin = 0f;
} else {
mYMin = Float.MAX_VALUE;
mYMax = -Float.MAX_VALUE;
for (int i = 0; i < mDataSets.size(); i++) {
IDataSet set = mDataSets.get(i);
set.calcMinMax(start, end);
if (set.getYMin() < mYMin) mYMin = set.getYMin();
if (set.getYMax() > mYMax) mYMax = set.getYMax();
}
if (mYMin == Float.MAX_VALUE) {
mYMin = 0.f;
mYMax = 0.f;
}
// left axis
T firstLeft = getFirstLeft();
if (firstLeft != null) {
mLeftAxisMax = firstLeft.getYMax();
mLeftAxisMin = firstLeft.getYMin();
for (IDataSet dataSet : mDataSets) {
if (dataSet.getAxisDependency() == AxisDependency.LEFT) {
if (dataSet.getYMin() < mLeftAxisMin) mLeftAxisMin = dataSet.getYMin();
if (dataSet.getYMax() > mLeftAxisMax) mLeftAxisMax = dataSet.getYMax();
}
}
}
// right axis
T firstRight = getFirstRight();
if (firstRight != null) {
mRightAxisMax = firstRight.getYMax();
mRightAxisMin = firstRight.getYMin();
for (IDataSet dataSet : mDataSets) {
if (dataSet.getAxisDependency() == AxisDependency.RIGHT) {
if (dataSet.getYMin() < mRightAxisMin) mRightAxisMin = dataSet.getYMin();
if (dataSet.getYMax() > mRightAxisMax) mRightAxisMax = dataSet.getYMax();
}
}
}
// in case there is only one axis, adjust the second axis
handleEmptyAxis(firstLeft, firstRight);
}
}