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TagPresenter.java
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TagPresenter.java
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package com.hitherejoe.vineyard.ui.presenter;
import android.support.v17.leanback.widget.Presenter;
import android.support.v4.content.ContextCompat;
import android.view.ViewGroup;
import com.hitherejoe.vineyard.R;
import com.hitherejoe.vineyard.data.model.Tag;
import com.hitherejoe.vineyard.data.model.User;
import com.hitherejoe.vineyard.ui.widget.TagCardView;
public class TagPresenter extends Presenter {
private static int sSelectedBackgroundColor;
private static int sDefaultBackgroundColor;
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent) {
sDefaultBackgroundColor = ContextCompat.getColor(parent.getContext(), R.color.primary);
sSelectedBackgroundColor = ContextCompat.getColor(parent.getContext(), R.color.primary_dark);
TagCardView cardView = new TagCardView(parent.getContext()) {
@Override
public void setSelected(boolean selected) {
updateCardBackgroundColor(this, selected);
super.setSelected(selected);
}
};
cardView.setFocusable(true);
cardView.setFocusableInTouchMode(true);
updateCardBackgroundColor(cardView, false);
return new ViewHolder(cardView);
}
private static void updateCardBackgroundColor(TagCardView view, boolean selected) {
view.setBackgroundColor(selected ? sSelectedBackgroundColor : sDefaultBackgroundColor);
}
@Override
public void onBindViewHolder(ViewHolder viewHolder, Object item) {
if (item instanceof Tag) {
Tag post = (Tag) item;
TagCardView cardView = (TagCardView) viewHolder.view;
if (post.tag != null) {
cardView.setCardText(post.tag);
cardView.setCardIcon(R.drawable.ic_tag);
}
} else if (item instanceof User) {
User post = (User) item;
TagCardView cardView = (TagCardView) viewHolder.view;
if (post.username != null) {
cardView.setCardText(post.username);
cardView.setCardIcon(R.drawable.ic_user);
}
}
}
@Override
public void onUnbindViewHolder(ViewHolder viewHolder) {
}
}