1 files changed, 139 insertions, 0 deletions
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListSecretAdapter.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListSecretAdapter.java
new file mode 100644
index 000000000..0043203bf
--- /dev/null
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListSecretAdapter.java
@@ -0,0 +1,139 @@
+/*
+ * 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 java.util.HashMap;
+import java.util.Set;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
+import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.database.Cursor;
+import android.graphics.Color;
+import android.support.v4.widget.CursorAdapter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+public class KeyListSecretAdapter extends CursorAdapter {
+    private LayoutInflater mInflater;
+
+    private int mIndexUserId;
+
+    @SuppressLint("UseSparseArrays")
+    private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
+
+    public KeyListSecretAdapter(Context context, Cursor c, int flags) {
+        super(context, c, flags);
+
+        mInflater = LayoutInflater.from(context);
+        initIndex(c);
+    }
+
+    @Override
+    public Cursor swapCursor(Cursor newCursor) {
+        initIndex(newCursor);
+
+        return super.swapCursor(newCursor);
+    }
+
+    /**
+     * Get column indexes for performance reasons just once in constructor and swapCursor. For a
+     * performance comparison see http://stackoverflow.com/a/17999582
+     * 
+     * @param cursor
+     */
+    private void initIndex(Cursor cursor) {
+        if (cursor != null) {
+            mIndexUserId = cursor.getColumnIndexOrThrow(UserIds.USER_ID);
+        }
+    }
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+        TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
+        mainUserId.setText(R.string.unknown_user_id);
+        TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
+        mainUserIdRest.setText("");
+
+        String userId = cursor.getString(mIndexUserId);
+        if (userId != null) {
+            String[] userIdSplit = PgpKeyHelper.splitUserId(userId);
+
+            if (userIdSplit[0] != null && userIdSplit[0].length() > 0) {
+                mainUserId.setText(userIdSplit[0]);
+            }
+
+            if (userIdSplit[1] != null && userIdSplit[1].length() > 0) {
+                mainUserIdRest.setText(userIdSplit[1]);
+            }
+        }
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        return mInflater.inflate(R.layout.key_list_item, null);
+    }
+
+    /** -------------------------- MULTI-SELECTION METHODS -------------- */
+    public void setNewSelection(int position, boolean value) {
+        mSelection.put(position, value);
+        notifyDataSetChanged();
+    }
+
+    public boolean isPositionChecked(int position) {
+        Boolean result = mSelection.get(position);
+        return result == null ? false : result;
+    }
+
+    public Set<Integer> getCurrentCheckedPosition() {
+        return mSelection.keySet();
+    }
+
+    public void removeSelection(int position) {
+        mSelection.remove(position);
+        notifyDataSetChanged();
+    }
+
+    public void clearSelection() {
+        mSelection.clear();
+        notifyDataSetChanged();
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        // let the adapter handle setting up the row views
+        View v = super.getView(position, convertView, parent);
+
+        /**
+         * Change color for multi-selection
+         */
+        // default color
+        v.setBackgroundColor(Color.TRANSPARENT);
+        if (mSelection.get(position) != null) {
+            // this is a selected position, change color!
+            v.setBackgroundColor(parent.getResources().getColor(R.color.emphasis));
+        }
+        return v;
+    }
+
+}