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diff --git a/org_apg/src/org/thialfihar/android/apg/ui/SelectPublicKeyFragment.java b/org_apg/src/org/thialfihar/android/apg/ui/SelectPublicKeyFragment.java
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+/*
+ * Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
+ * Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thialfihar.android.apg.ui;
+
+import java.util.Date;
+import java.util.Vector;
+
+import org.thialfihar.android.apg.R;
+import org.thialfihar.android.apg.provider.ApgContract.KeyRings;
+import org.thialfihar.android.apg.provider.ApgContract.Keys;
+import org.thialfihar.android.apg.provider.ApgContract.UserIds;
+import org.thialfihar.android.apg.provider.ApgDatabase.Tables;
+import org.thialfihar.android.apg.ui.widget.SelectPublicKeyCursorAdapter;
+
+import com.actionbarsherlock.app.SherlockListFragment;
+
+import android.database.Cursor;
+import android.database.DatabaseUtils;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v4.content.CursorLoader;
+import android.support.v4.content.Loader;
+import android.support.v4.app.LoaderManager;
+import android.widget.ListView;
+
+public class SelectPublicKeyFragment extends SherlockListFragment implements
+ LoaderManager.LoaderCallbacks<Cursor> {
+
+ private SelectPublicKeyActivity mActivity;
+ private SelectPublicKeyCursorAdapter mAdapter;
+ private ListView mListView;
+
+ private long mSelectedMasterKeyIds[];
+
+ public final static String ROW_AVAILABLE = "available";
+ public final static String ROW_VALID = "valid";
+
+ /**
+ * Define Adapter and Loader on create of Activity
+ */
+ @Override
+ public void onActivityCreated(Bundle savedInstanceState) {
+ super.onActivityCreated(savedInstanceState);
+
+ mActivity = (SelectPublicKeyActivity) getSherlockActivity();
+ mListView = getListView();
+
+ // get selected master key ids, which are given to activity by intent
+ mSelectedMasterKeyIds = mActivity.getSelectedMasterKeyIds();
+
+ mListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
+
+ // register long press context menu
+ registerForContextMenu(mListView);
+
+ // Give some text to display if there is no data. In a real
+ // application this would come from a resource.
+ setEmptyText(getString(R.string.listEmpty));
+
+ // We have a menu item to show in action bar.
+ setHasOptionsMenu(true);
+
+ mAdapter = new SelectPublicKeyCursorAdapter(mActivity, mListView, null);
+
+ setListAdapter(mAdapter);
+
+ // Start out with a progress indicator.
+ setListShown(false);
+
+ // Prepare the loader. Either re-connect with an existing one,
+ // or start a new one.
+ getLoaderManager().initLoader(0, null, this);
+ }
+
+ private void preselectMasterKeyIds(long[] masterKeyIds) {
+ if (masterKeyIds != null) {
+ for (int i = 0; i < mListView.getCount(); ++i) {
+ long keyId = mAdapter.getMasterKeyId(i);
+ for (int j = 0; j < masterKeyIds.length; ++j) {
+ if (keyId == masterKeyIds[j]) {
+ mListView.setItemChecked(i, true);
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * returns all selected key ids
+ *
+ * @return
+ */
+ public long[] getSelectedMasterKeyIds() {
+ // mListView.getCheckedItemIds() would give the row ids of the KeyRings not the master keys!
+ Vector<Long> vector = new Vector<Long>();
+ for (int i = 0; i < mListView.getCount(); ++i) {
+ if (mListView.isItemChecked(i)) {
+ vector.add(mAdapter.getMasterKeyId(i));
+ }
+ }
+
+ // convert to long array
+ long[] selectedMasterKeyIds = new long[vector.size()];
+ for (int i = 0; i < vector.size(); ++i) {
+ selectedMasterKeyIds[i] = vector.get(i);
+ }
+
+ return selectedMasterKeyIds;
+ }
+
+ /**
+ * returns all selected user ids
+ *
+ * @return
+ */
+ public String[] getSelectedUserIds() {
+ Vector<String> userIds = new Vector<String>();
+ for (int i = 0; i < mListView.getCount(); ++i) {
+ if (mListView.isItemChecked(i)) {
+ userIds.add((String) mAdapter.getUserId(i));
+ }
+ }
+
+ // make empty array to not return null
+ String userIdArray[] = new String[0];
+ return userIds.toArray(userIdArray);
+ }
+
+ @Override
+ public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+ // This is called when a new Loader needs to be created. This
+ // sample only has one Loader, so we don't care about the ID.
+ Uri baseUri = KeyRings.buildPublicKeyRingsUri();
+
+ // These are the rows that we will retrieve.
+ long now = new Date().getTime() / 1000;
+ String[] projection = new String[] {
+ KeyRings._ID,
+ KeyRings.MASTER_KEY_ID,
+ UserIds.USER_ID,
+ "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Tables.KEYS + " AS tmp WHERE tmp."
+ + Keys.IS_REVOKED + " = '0' AND tmp." + Keys.CAN_ENCRYPT + " = '1') AS "
+ + ROW_AVAILABLE,
+ "(SELECT COUNT(tmp." + Keys._ID + ") FROM " + Tables.KEYS + " AS tmp WHERE tmp."
+ + Keys.IS_REVOKED + " = '0' AND " + Keys.CAN_ENCRYPT + " = '1' AND tmp."
+ + Keys.CREATION + " <= '" + now + "' AND " + "(tmp." + Keys.EXPIRY
+ + " IS NULL OR tmp." + Keys.EXPIRY + " >= '" + now + "')) AS " + ROW_VALID, };
+
+ String inMasterKeyList = null;
+ if (mSelectedMasterKeyIds != null && mSelectedMasterKeyIds.length > 0) {
+ inMasterKeyList = KeyRings.MASTER_KEY_ID + " IN (";
+ for (int i = 0; i < mSelectedMasterKeyIds.length; ++i) {
+ if (i != 0) {
+ inMasterKeyList += ", ";
+ }
+ inMasterKeyList += DatabaseUtils.sqlEscapeString("" + mSelectedMasterKeyIds[i]);
+ }
+ inMasterKeyList += ")";
+ }
+
+ // if (searchString != null && searchString.trim().length() > 0) {
+ // String[] chunks = searchString.trim().split(" +");
+ // qb.appendWhere("(EXISTS (SELECT tmp." + UserIds._ID + " FROM " + UserIds.TABLE_NAME
+ // + " AS tmp WHERE " + "tmp." + UserIds.KEY_ID + " = " + Keys.TABLE_NAME + "."
+ // + Keys._ID);
+ // for (int i = 0; i < chunks.length; ++i) {
+ // qb.appendWhere(" AND tmp." + UserIds.USER_ID + " LIKE ");
+ // qb.appendWhereEscapeString("%" + chunks[i] + "%");
+ // }
+ // qb.appendWhere("))");
+ //
+ // if (inIdList != null) {
+ // qb.appendWhere(" OR (" + inIdList + ")");
+ // }
+ // }
+
+ String orderBy = UserIds.USER_ID + " ASC";
+ if (inMasterKeyList != null) {
+ // sort by selected master keys
+ orderBy = inMasterKeyList + " DESC, " + orderBy;
+ }
+
+ // Now create and return a CursorLoader that will take care of
+ // creating a Cursor for the data being displayed.
+ return new CursorLoader(getActivity(), baseUri, projection, null, null, orderBy);
+ }
+
+ @Override
+ public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
+ // Swap the new cursor in. (The framework will take care of closing the
+ // old cursor once we return.)
+ mAdapter.swapCursor(data);
+
+ // The list should now be shown.
+ if (isResumed()) {
+ setListShown(true);
+ } else {
+ setListShownNoAnimation(true);
+ }
+
+ // preselect given master keys
+ preselectMasterKeyIds(mSelectedMasterKeyIds);
+ }
+
+ @Override
+ public void onLoaderReset(Loader<Cursor> loader) {
+ // This is called when the last Cursor provided to onLoadFinished()
+ // above is about to be closed. We need to make sure we are no
+ // longer using it.
+ mAdapter.swapCursor(null);
+ }
+}
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