@Override
protected void onItemAddedToList(int position, boolean flow) {
super.onItemAddedToList(position, flow);
if (isHeaderOrFooterPosition(position) == false) {
Column col = getNextColumn(flow, position);
mItems.append(position, col.getIndex());
}
}
@Override
protected void onAdjustChildViews(boolean down) {
int firstItem = getFirstVisiblePosition();
if (down == false && firstItem == 0) {
final int firstColumnTop = mColumns[0].getTop();
for (Column c : mColumns) {
final int top = c.getTop();
// align all column's top to 0's column.
c.offsetTopAndBottom(firstColumnTop - top);
}
}
super.onAdjustChildViews(down);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
columnWidth =
(getMeasuredWidth()
- mListPadding.left
- mListPadding.right
- mColumnPaddingLeft
- mColumnPaddingRight)
/ getColumnNumber();
for (int index = 0; index < getColumnNumber(); ++index) {
mColumns[index].mColumnWidth = columnWidth;
mColumns[index].mColumnLeft = mListPadding.left + mColumnPaddingLeft + columnWidth * index;
}
mFixedColumn.mColumnLeft = mListPadding.left;
mFixedColumn.mColumnWidth = getMeasuredWidth();
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
super.onLayout(changed, l, t, r, b);
// TODO the adapter status may be changed. what should i do here...
}