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/*
* 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;
}
}
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