102 lines
3.2 KiB
Java
102 lines
3.2 KiB
Java
/*
|
|
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package org.sufficientlysecure.keychain.ui.adapter;
|
|
|
|
import android.content.Context;
|
|
import android.widget.ArrayAdapter;
|
|
|
|
import java.util.Comparator;
|
|
import java.util.HashMap;
|
|
import java.util.Map;
|
|
import java.util.SortedSet;
|
|
import java.util.TreeSet;
|
|
|
|
public class KeyValueSpinnerAdapter extends ArrayAdapter<String> {
|
|
private final HashMap<Integer, String> mData;
|
|
private final int[] mKeys;
|
|
private final String[] mValues;
|
|
|
|
static <K, V extends Comparable<? super V>> SortedSet<Map.Entry<K, V>> entriesSortedByValues(
|
|
Map<K, V> map) {
|
|
SortedSet<Map.Entry<K, V>> sortedEntries = new TreeSet<Map.Entry<K, V>>(
|
|
new Comparator<Map.Entry<K, V>>() {
|
|
@Override
|
|
public int compare(Map.Entry<K, V> e1, Map.Entry<K, V> e2) {
|
|
return e1.getValue().compareTo(e2.getValue());
|
|
}
|
|
});
|
|
sortedEntries.addAll(map.entrySet());
|
|
return sortedEntries;
|
|
}
|
|
|
|
public KeyValueSpinnerAdapter(Context context, HashMap<Integer, String> objects) {
|
|
// To make the drop down a simple text box
|
|
super(context, android.R.layout.simple_spinner_item);
|
|
mData = objects;
|
|
|
|
// To make the drop down view a radio button list
|
|
setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
|
|
|
SortedSet<Map.Entry<Integer, String>> sorted = entriesSortedByValues(objects);
|
|
|
|
// Assign hash keys with a position so that we can present and retrieve them
|
|
int i = 0;
|
|
mKeys = new int[mData.size()];
|
|
mValues = new String[mData.size()];
|
|
for (Map.Entry<Integer, String> entry : sorted) {
|
|
mKeys[i] = entry.getKey();
|
|
mValues[i] = entry.getValue();
|
|
i++;
|
|
}
|
|
}
|
|
|
|
public int getCount() {
|
|
return mData.size();
|
|
}
|
|
|
|
/**
|
|
* Returns the value
|
|
*/
|
|
@Override
|
|
public String getItem(int position) {
|
|
// return the value based on the position. This is displayed in the list.
|
|
return mValues[position];
|
|
}
|
|
|
|
/**
|
|
* Returns item key
|
|
*/
|
|
public long getItemId(int position) {
|
|
// Return an id to represent the item.
|
|
|
|
return mKeys[position];
|
|
}
|
|
|
|
/**
|
|
* Find position from key
|
|
*/
|
|
public int getPosition(long itemId) {
|
|
for (int i = 0; i < mKeys.length; i++) {
|
|
if ((int) itemId == mKeys[i]) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
}
|