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authorDominik Schürmann <dominik@dominikschuermann.de>2014-04-06 12:57:42 +0200
committerDominik Schürmann <dominik@dominikschuermann.de>2014-04-06 12:57:42 +0200
commit6d1137190529dc7add74926cea52c377883319be (patch)
treefd88b29a048f3aec1daa2a84bbaf22c0efa3663f /OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyValueSpinnerAdapter.java
parent17997dd362fe62d72113a0536069d0fdb9c3211b (diff)
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Rename folder structure from OpenPGP Keychain to OpenKeychain
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyValueSpinnerAdapter.java')
-rw-r--r--OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyValueSpinnerAdapter.java101
1 files changed, 101 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyValueSpinnerAdapter.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyValueSpinnerAdapter.java
new file mode 100644
index 000000000..5b5d316b6
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyValueSpinnerAdapter.java
@@ -0,0 +1,101 @@
+/*
+ * 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;
+ }
+}