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Code Issues Releases Wiki Activity

Retain selected messages when message list is reloaded

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This commit is contained in:
cketti 2012-11-03 04:26:41 +01:00
parent 36b572fa5f
commit 7a266dcbdf
1 changed files with 42 additions and 17 deletions
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55
src/com/fsck/k9/fragment/MessageListFragment.java
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@ -36,7 +36,6 @@ import android.text.SpannableStringBuilder;
import android.text.style.AbsoluteSizeSpan;
import android.text.style.ForegroundColorSpan;
import android.util.Log;
import android.util.SparseBooleanArray;
import android.util.TypedValue;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
@ -367,7 +366,7 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
private boolean mSenderAboveSubject = false;
private int mSelectedCount = 0;
private SparseBooleanArray mSelected;
private Set<Long> mSelected = new HashSet<Long>();
private FontSizes mFontSizes = K9.getFontSizes();
@ -1630,8 +1629,8 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
int maybeBoldTypeface = (read) ? Typeface.NORMAL : Typeface.BOLD;
int adapterPosition = cursor.getPosition();
boolean selected = mSelected.get(adapterPosition, false);
long id = cursor.getLong(ID_COLUMN);
boolean selected = mSelected.contains(id);
if (selected) {
holder.chip.setBackgroundDrawable(account.getCheckmarkChip().drawable());
@ -1818,10 +1817,11 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
mSelectedCount = 0;
for (int i = 0, end = mAdapter.getCount(); i < end; i++) {
mSelected.put(i, true);
Cursor cursor = (Cursor) mAdapter.getItem(i);
long id = cursor.getLong(ID_COLUMN);
mSelected.add(id);
if (mThreadedList) {
Cursor cursor = (Cursor) mAdapter.getItem(i);
int threadCount = cursor.getInt(THREAD_COUNT_COLUMN);
mSelectedCount += (threadCount > 1) ? threadCount : 1;
} else {
@ -1853,16 +1853,18 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
return;
}
boolean selected = mSelected.get(adapterPosition, false);
Cursor cursor = (Cursor) mAdapter.getItem(adapterPosition);
long id = cursor.getLong(ID_COLUMN);
boolean selected = mSelected.contains(id);
if (!selected) {
mSelected.put(adapterPosition, true);
mSelected.add(id);
} else {
mSelected.delete(adapterPosition);
mSelected.remove(id);
}
int selectedCountDelta = 1;
if (mThreadedList) {
Cursor cursor = (Cursor) mAdapter.getItem(adapterPosition);
int threadCount = cursor.getInt(THREAD_COUNT_COLUMN);
if (threadCount > 1) {
selectedCountDelta = threadCount;
@ -1909,8 +1911,10 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
boolean isBatchRead = false;
for (int i = 0, end = mAdapter.getCount(); i < end; i++) {
if (mSelected.get(i, false)) {
Cursor cursor = (Cursor) mAdapter.getItem(i);
long id = cursor.getLong(ID_COLUMN);
if (mSelected.contains(id)) {
String flags = cursor.getString(FLAGS_COLUMN);
if (!flags.contains(Flag.FLAGGED.name())) {
@ -2245,8 +2249,10 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
Set<String> accountUuids = new HashSet<String>(maxAccounts);
for (int position = 0, end = mAdapter.getCount(); position < end; position++) {
if (mSelected.get(position, false)) {
Cursor cursor = (Cursor) mAdapter.getItem(position);
long id = cursor.getLong(ID_COLUMN);
if (mSelected.contains(id)) {
String accountUuid = cursor.getString(ACCOUNT_UUID_COLUMN);
accountUuids.add(accountUuid);
@ -2570,7 +2576,10 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
Message[] messages = new Message[mSelected.size()];
int out = 0;
for (int position = 0, end = mAdapter.getCount(); position < end; position++) {
if (mSelected.get(position, false)) {
Cursor cursor = (Cursor) mAdapter.getItem(position);
long id = cursor.getLong(ID_COLUMN);
if (mSelected.contains(id)) {
messages[out++] = getMessageAtPosition(position);
}
}
@ -2775,11 +2784,27 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
cursor = data;
}
mSelected = new SparseBooleanArray(cursor.getCount());
//TODO: use the (stable) IDs as index and reuse the old mSelected
cleanupSelected(cursor);
mAdapter.swapCursor(cursor);
}
private void cleanupSelected(Cursor cursor) {
if (mSelected.size() == 0) {
return;
}
Set<Long> selected = new HashSet<Long>();
for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) {
long id = cursor.getLong(ID_COLUMN);
if (mSelected.contains(id)) {
selected.add(id);
}
}
mSelected = selected;
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
mSelected = null;