/**
* Sets the location of pin according by the supplied value.
*
* @param pinValue Float specifying the value of the pin
*/
public void setSeekPinByValue(float pinValue) {
if (pinValue > mTickEnd || pinValue < mTickStart) {
L.e(
TAG,
"Pin value "
+ pinValue
+ " is out of bounds. Check that it is greater than the minimum ("
+ mTickStart
+ ") and less than the maximum value ("
+ mTickEnd
+ ")");
throw new IllegalArgumentException(
"Pin value "
+ pinValue
+ " is out of bounds. Check that it is greater than the minimum ("
+ mTickStart
+ ") and less than the maximum value ("
+ mTickEnd
+ ")");
} else {
if (mFirstSetTickCount) {
mFirstSetTickCount = false;
}
mRightIndex = (int) ((pinValue - mTickStart) / mTickInterval);
createPins();
if (mListener != null) {
mListener.onRangeChangeListener(
this, mLeftIndex, mRightIndex, getPinValue(mLeftIndex), getPinValue(mRightIndex));
}
}
invalidate();
requestLayout();
}
/**
* Sets the end tick in the RangeBar.
*
* @param tickEnd Integer specifying the number of ticks.
*/
public void setTickEnd(float tickEnd) {
int tickCount = (int) ((tickEnd - mTickStart) / mTickInterval) + 1;
if (isValidTickCount(tickCount)) {
mTickCount = tickCount;
mTickEnd = tickEnd;
// Prevents resetting the indices when creating new activity, but
// allows it on the first setting.
if (mFirstSetTickCount) {
mLeftIndex = 0;
mRightIndex = mTickCount - 1;
if (mListener != null) {
mListener.onRangeChangeListener(
this, mLeftIndex, mRightIndex, getPinValue(mLeftIndex), getPinValue(mRightIndex));
}
}
if (indexOutOfRange(mLeftIndex, mRightIndex)) {
mLeftIndex = 0;
mRightIndex = mTickCount - 1;
if (mListener != null) {
mListener.onRangeChangeListener(
this, mLeftIndex, mRightIndex, getPinValue(mLeftIndex), getPinValue(mRightIndex));
}
}
createBar();
createPins();
} else {
L.e(TAG, "tickCount less than 2; invalid tickCount.");
throw new IllegalArgumentException("tickCount less than 2; invalid tickCount.");
}
}
/**
* Sets the location of the pins according by the supplied index. Numbered from 0 to mTickCount -
* 1 from the left.
*
* @param leftPinIndex Integer specifying the index of the left pin
* @param rightPinIndex Integer specifying the index of the right pin
*/
public void setRangePinsByIndices(int leftPinIndex, int rightPinIndex) {
if (indexOutOfRange(leftPinIndex, rightPinIndex)) {
L.e(
TAG,
"Pin index left "
+ leftPinIndex
+ ", or right "
+ rightPinIndex
+ " is out of bounds. Check that it is greater than the minimum ("
+ mTickStart
+ ") and less than the maximum value ("
+ mTickEnd
+ ")");
throw new IllegalArgumentException(
"Pin index left "
+ leftPinIndex
+ ", or right "
+ rightPinIndex
+ " is out of bounds. Check that it is greater than the minimum ("
+ mTickStart
+ ") and less than the maximum value ("
+ mTickEnd
+ ")");
} else {
if (mFirstSetTickCount) {
mFirstSetTickCount = false;
}
mLeftIndex = leftPinIndex;
mRightIndex = rightPinIndex;
createPins();
if (mListener != null) {
mListener.onRangeChangeListener(
this, mLeftIndex, mRightIndex, getPinValue(mLeftIndex), getPinValue(mRightIndex));
}
}
invalidate();
requestLayout();
}
/**
* Sets the location of pin according by the supplied index. Numbered from 0 to mTickCount - 1
* from the left.
*
* @param pinIndex Integer specifying the index of the seek pin
*/
public void setSeekPinByIndex(int pinIndex) {
if (pinIndex < 0 || pinIndex > mTickCount) {
L.e(
TAG,
"Pin index "
+ pinIndex
+ " is out of bounds. Check that it is greater than the minimum ("
+ 0
+ ") and less than the maximum value ("
+ mTickCount
+ ")");
throw new IllegalArgumentException(
"Pin index "
+ pinIndex
+ " is out of bounds. Check that it is greater than the minimum ("
+ 0
+ ") and less than the maximum value ("
+ mTickCount
+ ")");
} else {
if (mFirstSetTickCount) {
mFirstSetTickCount = false;
}
mRightIndex = pinIndex;
createPins();
if (mListener != null) {
mListener.onRangeChangeListener(
this, mLeftIndex, mRightIndex, getPinValue(mLeftIndex), getPinValue(mRightIndex));
}
}
invalidate();
requestLayout();
}
/**
* Does all the functions of the constructor for RangeBar. Called by both RangeBar constructors in
* lieu of copying the code for each constructor.
*
* @param context Context from the constructor.
* @param attrs AttributeSet from the constructor.
*/
private void rangeBarInit(
Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
if (mTickMap == null) {
mTickMap = new HashMap<>();
}
TypedArray ta = context.obtainStyledAttributes(attrs, RangeBar, defStyleAttr, defStyleRes);
try {
// Sets the values of the user-defined attributes based on the XML attributes.
final float tickStart = ta.getFloat(0, DEFAULT_START);
final float tickEnd = ta.getFloat(10, DEFAULT_END);
final float tickInterval = ta.getFloat(2, DEFAULT_TICK_INTERVAL);
int tickCount = (int) ((tickEnd - tickStart) / tickInterval) + 1;
if (isValidTickCount(tickCount)) {
// Similar functions performed above in setTickCount; make sure you know how they interact
mTickCount = tickCount;
mTickStart = tickStart;
mTickEnd = tickEnd;
mTickInterval = tickInterval;
mLeftIndex = 0;
mRightIndex = mTickCount - 1;
if (mListener != null) {
mListener.onRangeChangeListener(
this, mLeftIndex, mRightIndex, getPinValue(mLeftIndex), getPinValue(mRightIndex));
}
} else {
L.e(TAG, "tickCount less than 2; invalid tickCount. XML input ignored.");
}
mTickHeightDP = ta.getDimension(3, DEFAULT_TICK_HEIGHT_DP);
mBarWeight = ta.getDimension(5, DEFAULT_BAR_WEIGHT_PX);
mBarColor = ta.getColor(6, DEFAULT_BAR_COLOR);
mTextColor = ta.getColor(7, DEFAULT_TEXT_COLOR);
mPinColor = ta.getColor(8, DEFAULT_PIN_COLOR);
mActiveBarColor = mBarColor;
mCircleSize =
TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
ta.getDimension(9, DEFAULT_CIRCLE_SIZE_DP),
getResources().getDisplayMetrics());
mCircleColor = ta.getColor(12, DEFAULT_CONNECTING_LINE_COLOR);
mActiveCircleColor = mCircleColor;
mTickColor = ta.getColor(4, DEFAULT_TICK_COLOR);
mActiveTickColor = mTickColor;
mConnectingLineWeight = ta.getDimension(14, DEFAULT_CONNECTING_LINE_WEIGHT_PX);
mConnectingLineColor = ta.getColor(15, DEFAULT_CONNECTING_LINE_COLOR);
mActiveConnectingLineColor = mConnectingLineColor;
mExpandedPinRadius =
TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
ta.getDimension(16, DEFAULT_EXPANDED_PIN_RADIUS_DP),
getResources().getDisplayMetrics());
mPinPadding =
TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
ta.getDimension(8, DEFAULT_PIN_PADDING_DP),
getResources().getDisplayMetrics());
mBarPaddingBottom =
TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
ta.getDimension(10, DEFAULT_BAR_PADDING_BOTTOM_DP),
getResources().getDisplayMetrics());
mIsRangeBar = ta.getBoolean(13, true);
} finally {
ta.recycle();
}
}