private void updateAdapterData() {
mAdapter.clear();
final int maxYear = mMaxDate.get(Calendar.YEAR);
for (int year = mMinDate.get(Calendar.YEAR); year <= maxYear; year++) {
mAdapter.add(year);
}
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
mController.tryVibrate();
if (position != mSelectedPosition) {
mSelectedPosition = position;
mAdapter.notifyDataSetChanged();
}
mController.onYearSelected(mAdapter.getItem(position));
}
@Override
public Parcelable onSaveInstanceState() {
Parcelable superState = super.onSaveInstanceState();
SavedState ss = new SavedState(superState);
ss.yearMin = mAdapter.getMinYear();
ss.yearMax = mAdapter.getMaxYear();
ss.year = mAdapter.getYear();
return ss;
}
@Override
public void onDateChanged() {
updateAdapterData();
mAdapter.notifyDataSetChanged();
postSetSelectionCentered(
mController.getSelectedDay().get(Calendar.YEAR) - mMinDate.get(Calendar.YEAR));
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
float shift = (h / (float) mItemRealHeight - 1) / 2;
mPositionShift = (int) Math.floor(shift);
mPositionShift = shift > mPositionShift ? mPositionShift + 1 : mPositionShift;
mDistanceShift = (int) ((shift - mPositionShift) * mItemRealHeight) - getPaddingTop();
goTo(mAdapter.getYear());
}
/**
* Jump to a specific year.
*
* @param year
*/
public void goTo(int year) {
int position = mAdapter.positionOfYear(year) - mPositionShift;
int offset = mDistanceShift;
if (position < 0) {
position = 0;
offset = 0;
}
postSetSelectionFromTop(position, offset);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
int heightSize = MeasureSpec.getSize(heightMeasureSpec);
measureItemHeight();
if (heightMode != MeasureSpec.EXACTLY) {
if (heightMode == MeasureSpec.AT_MOST) {
int num = Math.min(mAdapter.getCount(), heightSize / mItemRealHeight);
if (num >= 3) heightSize = mItemRealHeight * (num % 2 == 0 ? num - 1 : num);
} else heightSize = mItemRealHeight * mAdapter.getCount();
heightMeasureSpec =
MeasureSpec.makeMeasureSpec(
heightSize + getPaddingTop() + getPaddingBottom(), MeasureSpec.EXACTLY);
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
mController.tryVibrate();
TextViewWithCircularIndicator clickedView = (TextViewWithCircularIndicator) view;
if (clickedView != null) {
if (clickedView != mSelectedView) {
if (mSelectedView != null) {
mSelectedView.drawIndicator(false);
mSelectedView.requestLayout();
}
clickedView.drawIndicator(true);
clickedView.requestLayout();
mSelectedView = clickedView;
}
mController.onYearSelected(getYearFromTextView(clickedView));
mAdapter.notifyDataSetChanged();
}
}
public void onDateChanged() {
mAdapter.notifyDataSetChanged();
postSetSelectionCentered(mController.getSelectedDay().year - mController.getMinYear());
}
/** @return The selected year value. */
public int getYear() {
return mAdapter.getYear();
}
/**
* Set the selected year.
*
* @param year The selected year value.
*/
public void setYear(int year) {
if (mAdapter.getYear() == year) return;
mAdapter.setYear(year);
goTo(year);
}
/**
* Set the range of selectable year value.
*
* @param min The minimum selectable year value.
* @param max The maximum selectable year value.
*/
public void setYearRange(int min, int max) {
mAdapter.setYearRange(min, max);
}
@Override
protected void applyStyle(
Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
super.applyStyle(context, attrs, defStyleAttr, defStyleRes);
TypedArray a =
context.obtainStyledAttributes(attrs, R.styleable.YearPicker, defStyleAttr, defStyleRes);
int year = -1;
int yearMin = -1;
int yearMax = -1;
String familyName = null;
int style = -1;
for (int i = 0, count = a.getIndexCount(); i < count; i++) {
int attr = a.getIndex(i);
if (attr == R.styleable.YearPicker_dp_yearTextSize)
mTextSize = a.getDimensionPixelSize(attr, 0);
else if (attr == R.styleable.YearPicker_dp_year) year = a.getInteger(attr, 0);
else if (attr == R.styleable.YearPicker_dp_yearMin) yearMin = a.getInteger(attr, 0);
else if (attr == R.styleable.YearPicker_dp_yearMax) yearMax = a.getInteger(attr, 0);
else if (attr == R.styleable.YearPicker_dp_yearItemHeight)
mItemHeight = a.getDimensionPixelSize(attr, 0);
else if (attr == R.styleable.YearPicker_dp_textColor) mTextColors[0] = a.getColor(attr, 0);
else if (attr == R.styleable.YearPicker_dp_textHighlightColor)
mTextColors[1] = a.getColor(attr, 0);
else if (attr == R.styleable.YearPicker_dp_selectionColor)
mSelectionColor = a.getColor(attr, 0);
else if (attr == R.styleable.YearPicker_dp_animDuration)
mAnimDuration = a.getInteger(attr, 0);
else if (attr == R.styleable.YearPicker_dp_inInterpolator)
mInInterpolator = AnimationUtils.loadInterpolator(context, a.getResourceId(attr, 0));
else if (attr == R.styleable.YearPicker_dp_outInterpolator)
mOutInterpolator = AnimationUtils.loadInterpolator(context, a.getResourceId(attr, 0));
else if (attr == R.styleable.YearPicker_dp_fontFamily) familyName = a.getString(attr);
else if (attr == R.styleable.YearPicker_dp_textStyle) style = a.getInteger(attr, 0);
}
a.recycle();
if (mTextSize < 0)
mTextSize =
context.getResources().getDimensionPixelOffset(R.dimen.abc_text_size_title_material);
if (mItemHeight < 0) mItemHeight = ThemeUtil.dpToPx(context, 48);
if (mAnimDuration < 0)
mAnimDuration = context.getResources().getInteger(android.R.integer.config_mediumAnimTime);
if (mInInterpolator == null) mInInterpolator = new DecelerateInterpolator();
if (mOutInterpolator == null) mOutInterpolator = new DecelerateInterpolator();
if (familyName != null || style >= 0) mTypeface = TypefaceUtil.load(context, familyName, style);
if (yearMin >= 0 || yearMax >= 0) {
if (yearMin < 0) yearMin = mAdapter.getMinYear();
if (yearMax < 0) yearMax = mAdapter.getMaxYear();
if (yearMax < yearMin) yearMax = Integer.MAX_VALUE;
setYearRange(yearMin, yearMax);
}
if (mAdapter.getYear() < 0 && year < 0) {
Calendar cal = Calendar.getInstance();
year = cal.get(Calendar.YEAR);
}
if (year >= 0) {
year = Math.max(yearMin, Math.min(yearMax, year));
setYear(year);
}
mAdapter.notifyDataSetChanged();
requestLayout();
}