@Override
public View getView(final int position, final View convertView, final ViewGroup parent) {
LinearLayout layout = findOrInitializeLayout(convertView);
final RowInfo<T> rowInfo = itemsPerRow.get(position);
final List<T> rowItems = new ArrayList<>();
rowItems.addAll(rowInfo.getItems());
// Index to control the current position
// of the current column in this row
int columnIndex = 0;
// Index to control the current position
// in the array of all the items available for this row
int currentIndex = 0;
int spaceLeftInColumn = rowInfo.getRowHeight();
while (!rowItems.isEmpty() && columnIndex < listView.getNumColumns()) {
final T currentItem = rowItems.get(currentIndex);
if (spaceLeftInColumn == 0) {
// No more space in this column. Move to next one
columnIndex++;
currentIndex = 0;
spaceLeftInColumn = rowInfo.getRowHeight();
continue;
}
// Is there enough space in this column to accommodate currentItem?
if (spaceLeftInColumn >= currentItem.getRowSpan()) {
rowItems.remove(currentItem);
int index = items.indexOf(currentItem);
final LinearLayout childLayout = findOrInitializeChildLayout(layout, columnIndex);
final View childConvertView = viewPool.get();
final View v = getActualView(index, childConvertView, parent);
v.setTag(currentItem);
v.setOnClickListener(this);
v.setOnLongClickListener(this);
spaceLeftInColumn -= currentItem.getRowSpan();
currentIndex = 0;
v.setLayoutParams(
new LinearLayout.LayoutParams(getRowWidth(currentItem), getRowHeight(currentItem)));
childLayout.addView(v);
} else if (currentIndex < rowItems.size() - 1) {
// Try again with next item
currentIndex++;
} else {
break;
}
}
if (listView.isDebugging() && position % 20 == 0) {
Log.d(TAG, linearLayoutPool.getStats("LinearLayout"));
Log.d(TAG, viewPool.getStats("Views"));
}
return layout;
}
