public Shade getSelectedShade() {
if (getSelectionMode() == SelectionModeEnum.SINGLE_SELECTION_MODE) {
if (shadeAdapter.getSelectedShade() != -1) {
return shades.get(shadeAdapter.getSelectedShade());
} else {
return null;
}
} else {
throw new RuntimeException(
"Cannot return a single shade in multi-selection mode. Use getListOfSelectedShades() method.");
}
}
private void selectShade(int position) {
ImageView shellSelected;
for (int i = 0; i < shadeAdapter.getItemCount(); i++) {
if (recyclerView.getChildAt(i) != null) {
shellSelected = ((ImageView) recyclerView.getChildAt(i).findViewById(R.id.shell_selected));
if (shellSelected.getVisibility() == View.VISIBLE) {
shellSelected.setVisibility(View.GONE);
}
}
}
GridLayoutManager layoutManager = (GridLayoutManager) recyclerView.getLayoutManager();
if (getSelectionMode() == SelectionModeEnum.SINGLE_SELECTION_MODE) {
View view = recyclerView.getChildAt(position - layoutManager.findFirstVisibleItemPosition());
if (shadeAdapter.getSelectedShade() == position) {
shadeAdapter.setSelectedShade(-1);
view.findViewById(R.id.shell_selected).setVisibility(View.INVISIBLE);
} else {
shadeAdapter.setSelectedShade(position);
view.findViewById(R.id.shell_selected).setVisibility(View.VISIBLE);
}
} else if (getSelectionMode() == SelectionModeEnum.MULTIPLE_SELECTION_MODE) {
if (selected.contains(position)) {
selected.remove((Integer) position);
} else {
selected.add(position);
}
shadeAdapter.setSelected(selected);
for (int item : shadeAdapter.getSelected()) {
if (item >= layoutManager.findFirstVisibleItemPosition()
&& item <= layoutManager.findLastVisibleItemPosition()) {
View view = recyclerView.getChildAt(item - layoutManager.findFirstVisibleItemPosition());
view.findViewById(R.id.shell_selected).setVisibility(View.VISIBLE);
}
}
}
}
