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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 org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.OtherHelper;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
import org.sufficientlysecure.keychain.util.Log;
import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
import android.content.Context;
import android.database.Cursor;
import android.support.v4.widget.CursorAdapter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
/**
* - implements StickyListHeadersAdapter from library - uses view holder pattern for performance
*
*/
public class KeyListPublicAdapter extends CursorAdapter implements StickyListHeadersAdapter {
private LayoutInflater mInflater;
int mSectionColumnIndex;
public KeyListPublicAdapter(Context context, Cursor c, int flags, int sectionColumnIndex) {
super(context, c, flags);
mInflater = LayoutInflater.from(context);
mSectionColumnIndex = sectionColumnIndex;
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
// TODO: view holder pattern?
int userIdIndex = cursor.getColumnIndex(UserIds.USER_ID);
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(userIdIndex);
if (userId != null) {
String[] userIdSplit = OtherHelper.splitUserId(userId);
if (userIdSplit[1] != null) {
mainUserIdRest.setText(userIdSplit[1]);
}
mainUserId.setText(userIdSplit[0]);
}
if (mainUserId.getText().length() == 0) {
mainUserId.setText(R.string.unknown_user_id);
}
if (mainUserIdRest.getText().length() == 0) {
mainUserIdRest.setVisibility(View.GONE);
} else {
mainUserIdRest.setVisibility(View.VISIBLE);
}
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return mInflater.inflate(R.layout.key_list_item, null);
}
@Override
public View getHeaderView(int position, View convertView, ViewGroup parent) {
HeaderViewHolder holder;
if (convertView == null) {
holder = new HeaderViewHolder();
convertView = mInflater.inflate(R.layout.stickylist_header, parent, false);
holder.text = (TextView) convertView.findViewById(R.id.stickylist_header_text);
convertView.setTag(holder);
} else {
holder = (HeaderViewHolder) convertView.getTag();
}
// similar to getView in CursorAdapter
if (!mDataValid) {
// no data available at this point
Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
return convertView;
}
// similar to getView in CursorAdapter
if (!mCursor.moveToPosition(position)) {
throw new IllegalStateException("couldn't move cursor to position " + position);
}
// set header text as first char in user id
String headerText = "" + mCursor.getString(mSectionColumnIndex).subSequence(0, 1).charAt(0);
holder.text.setText(headerText);
return convertView;
}
/**
* Header IDs should be static, position=1 should always return the same Id that is.
*/
@Override
public long getHeaderId(int position) {
// similar to getView in CursorAdapter
if (!mDataValid) {
// no data available at this point
Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
return -1;
}
// similar to getView in CursorAdapter
if (!mCursor.moveToPosition(position)) {
throw new IllegalStateException("couldn't move cursor to position " + position);
}
// return the first character of the name as ID because this is what
// headers are based upon
return mCursor.getString(mSectionColumnIndex).subSequence(0, 1).charAt(0);
}
class HeaderViewHolder {
TextView text;
}
class ViewHolder {
TextView mainUserId;
TextView mainUserIdRest;
}
}
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