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package se.leap.bitmaskclient;
import java.util.List;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TwoLineListItem;
public class ProviderListAdapter<T> extends ArrayAdapter<T> {
private T[] items = null;
private static boolean[] hidden = null;
public void hide(int position) {
hidden[getRealPosition(position)] = true;
notifyDataSetChanged();
notifyDataSetInvalidated();
}
public void unHide(int position) {
hidden[getRealPosition(position)] = false;
notifyDataSetChanged();
notifyDataSetInvalidated();
}
public void unHideAll() {
for (int provider_index = 0; provider_index < hidden.length; provider_index++)
hidden[provider_index] = false;
}
private int getRealPosition(int position) {
int hElements = getHiddenCountUpTo(position);
int diff = 0;
for(int i=0;i<hElements;i++) {
diff++;
if(hidden[position+diff])
i--;
}
return (position + diff);
}
private int getHiddenCount() {
int count = 0;
for(int i=0;i<items.length;i++)
if(hidden[i])
count++;
return count;
}
private int getHiddenCountUpTo(int location) {
int count = 0;
for(int i=0;i<=location;i++) {
if(hidden[i])
count++;
}
return count;
}
@Override
public int getCount() {
return (items.length - getHiddenCount());
}
public ProviderListAdapter(Context mContext, int layout, List<T> objects) {
super(mContext, layout, objects);
items = objects.toArray((T[])new Object[0]);
if(hidden == null) {
hidden = new boolean[items.length];
for (int i = 0; i < items.length; i++)
hidden[i] = false;
}
}
public ProviderListAdapter(Context mContext, int layout, List<T> objects, boolean show_all_providers) {
super(mContext, layout, objects);
items = objects.toArray((T[])new Object[0]);
if(show_all_providers) {
hidden = new boolean[items.length];
for (int i = 0; i < items.length; i++)
hidden[i] = false;
}
}
@Override
public void add(T item) {
super.add(item);
boolean[] new_hidden = new boolean[hidden.length+1];
System.arraycopy(hidden, 0, new_hidden, 0, hidden.length);
new_hidden[hidden.length] = false;
hidden = new_hidden;
}
@Override
public View getView(int index, View convertView, ViewGroup parent) {
TwoLineListItem row;
int position = getRealPosition(index);
if (convertView == null) {
LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
row = (TwoLineListItem)inflater.inflate(android.R.layout.simple_list_item_2, null);
} else {
row = (TwoLineListItem)convertView;
}
ProviderListContent.ProviderItem data = ProviderListContent.ITEMS.get(position);
row.getText1().setText(data.domain);
row.getText2().setText(data.name);
return row;
}
}
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