@Override
protected void drawableStateChanged() {
super.drawableStateChanged();
if (mHeaderView != null) {
refreshAllChild(mHeaderView);
}
}
@Override
protected void dispatchDraw(Canvas canvas) {
super.dispatchDraw(canvas);
if (mHeaderView != null && mHeaderView.getVisibility() == View.VISIBLE) {
drawChild(canvas, mHeaderView, getDrawingTime());
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
if (mHeaderView != null) {
measureChild(mHeaderView, widthMeasureSpec, heightMeasureSpec);
}
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
if (mHeaderView != null) {
configHeaderView(getFirstVisiblePosition());
}
if (mOnLayoutListener != null) {
mOnLayoutListener.onLayout(this, left, top, right, bottom);
}
}
@Override
public void setAdapter(android.widget.ExpandableListAdapter adapter) {
super.setAdapter(adapter);
if (adapter instanceof ExpandableListAdapter) {
mAdapter = (ExpandableListAdapter) adapter;
int headerViewLayoutId = mAdapter.getHeaderViewLayoutResourceId();
if (headerViewLayoutId != 0) {
mHeaderView = LayoutInflater.from(mContext).inflate(headerViewLayoutId, this, false);
if (mHeaderView != null) {
mHeaderView.setOnTouchListener(
new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent e) {
if (e.getAction() == MotionEvent.ACTION_UP) {
long pos = getExpandableListPosition(getFirstVisiblePosition());
if (getPackedPositionType(pos)
== PinnedHeaderExpandableListView.PACKED_POSITION_TYPE_GROUP
|| getPackedPositionType(pos)
== PinnedHeaderExpandableListView.PACKED_POSITION_TYPE_CHILD) {
int groupPosition = getPackedPositionGroup(pos);
if (mOnGroupClickedListener == null
|| !mOnGroupClickedListener.onGroupClick(
PinnedHeaderExpandableListView.this,
v,
groupPosition,
mAdapter.getGroupId(groupPosition))) {
PinnedHeaderExpandableListView.this.collapseGroup(groupPosition);
}
}
}
return true;
}
});
}
requestLayout();
}
}
}
private void init(Context context) {
mContext = context;
super.setOnScrollListener(this);
}
@Override
public void setOnGroupClickListener(OnGroupClickListener l) {
mOnGroupClickedListener = l;
super.setOnGroupClickListener(l);
}