import android.database.Cursor;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
import android.support.v4.app.NavUtils;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
public class DomainsActivity extends AppCompatActivity implements AddDomainDialog.AddDomainListener {
// `context` is used in `onCreate()` and `onOptionsItemSelected()`.
- Context context;
+ private Context context;
// `domainsDatabaseHelper` is used in `onCreate()`, `onOptionsItemSelected()`, `onAddDomain()`, and `updateDomainsRecyclerView()`.
private static DomainsDatabaseHelper domainsDatabaseHelper;
// `twoPaneMode` is used in `onCreate()` and `updateDomainsListView()`.
private boolean twoPaneMode;
- // `domainsRecyclerView` is used in `onCreate()` and `updateDomainsListView()`.
+ // `domainsListView` is used in `onCreate()`, `onOptionsItemSelected()`, and `updateDomainsListView()`.
private ListView domainsListView;
// `databaseId` is used in `onCreate()` and `onOptionsItemSelected()`.
// Display `domainSettingsFragment`.
getSupportFragmentManager().beginTransaction().replace(R.id.domain_settings_scrollview, domainSettingsFragment).commit();
+
+ // Enable the options `MenuItems`.
+ deleteMenuItem.setEnabled(true);
+ deleteMenuItem.setIcon(R.drawable.delete);
+ saveMenuItem.setEnabled(true);
} else { // Load the second activity on smaller screens.
// Create `domainSettingsActivityIntent` with the `databaseId`.
Intent domainSettingsActivityIntent = new Intent(context, DomainSettingsActivity.class);
// Save the domain settings.
domainsDatabaseHelper.saveDomain(databaseId, domainNameString, javaScriptEnabled, firstPartyCookiesEnabled, thirdPartyCookiesEnabled, domStorageEnabledEnabled, formDataEnabled, userAgentString, fontSizeInt);
+
+ // Display a `Snackbar`.
+ Snackbar.make(domainsListView, R.string.domain_settings_saved, Snackbar.LENGTH_SHORT).show();
+
+ // update the domains `ListView`.
+ updateDomainsListView();
break;
case R.id.delete_domain:
- // Delete the selected domain.
- domainsDatabaseHelper.deleteDomain(databaseId);
+ // Save the `ListView` `currentPosition`.
+ final int currentPosition = domainsListView.getCheckedItemPosition();
+
+ // Get a `Cursor` that does not show the domain to be deleted.
+ Cursor domainsPendingDeleteCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomainExcept(databaseId);
+
+ // Setup `domainsPendingDeleteCursorAdapter` with `this` context. `false` disables `autoRequery`.
+ CursorAdapter domainsPendingDeleteCursorAdapter = new CursorAdapter(this, domainsPendingDeleteCursor, false) {
+ @Override
+ public View newView(Context context, Cursor cursor, ViewGroup parent) {
+ // Inflate the individual item layout. `false` does not attach it to the root.
+ return getLayoutInflater().inflate(R.layout.domain_name_linearlayout, parent, false);
+ }
+
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ // Set the domain name.
+ String domainNameString = cursor.getString(cursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
+ TextView domainNameTextView = (TextView) view.findViewById(R.id.domain_name_textview);
+ domainNameTextView.setText(domainNameString);
+ }
+ };
+
+ // Update the `ListView`.
+ domainsListView.setAdapter(domainsPendingDeleteCursorAdapter);
- // Detach the domain settings fragment.
+ // Detach the domain settings `Fragment`.
getSupportFragmentManager().beginTransaction().detach(getSupportFragmentManager().findFragmentById(R.id.domain_settings_scrollview)).commit();
- // Update the `ListView`.
- updateDomainsListView();
+ // Disable the options `MenuItems`.
+ deleteMenuItem.setEnabled(false);
+ deleteMenuItem.setIcon(R.drawable.delete_blue);
+ saveMenuItem.setEnabled(false);
+
+ // Display a `Snackbar`.
+ Snackbar.make(domainsListView, R.string.domain_deleted, Snackbar.LENGTH_LONG)
+ .setAction(R.string.undo, new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ // Do nothing because everything will be handled by `onDismissed()` below.
+ }
+ })
+ .addCallback(new Snackbar.Callback() {
+ @Override
+ public void onDismissed(Snackbar snackbar, int event) {
+ switch (event) {
+ // The user pushed the `Undo` button.
+ case Snackbar.Callback.DISMISS_EVENT_ACTION:
+ // Get a `Cursor` with the current contents of the domains database.
+ Cursor undoDeleteDomainsCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
+
+ // Setup `domainsCursorAdapter` with `this` context. `false` disables `autoRequery`.
+ CursorAdapter undoDeleteDomainsCursorAdapter = new CursorAdapter(context, undoDeleteDomainsCursor, false) {
+ @Override
+ public View newView(Context context, Cursor cursor, ViewGroup parent) {
+ // Inflate the individual item layout. `false` does not attach it to the root.
+ return getLayoutInflater().inflate(R.layout.domain_name_linearlayout, parent, false);
+ }
+
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ // Set the domain name.
+ String domainNameString = cursor.getString(cursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
+ TextView domainNameTextView = (TextView) view.findViewById(R.id.domain_name_textview);
+ domainNameTextView.setText(domainNameString);
+ }
+ };
+
+ // Update the `ListView`.
+ domainsListView.setAdapter(undoDeleteDomainsCursorAdapter);
+
+ // Select the entry in the domain list at `currentPosition`.
+ domainsListView.setItemChecked(currentPosition, true);
+
+ // Store `databaseId` in `argumentsBundle`.
+ Bundle argumentsBundle = new Bundle();
+ argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, databaseId);
+
+ // Add `argumentsBundle` to `domainSettingsFragment`.
+ DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment();
+ domainSettingsFragment.setArguments(argumentsBundle);
+
+ // Display `domainSettingsFragment`.
+ getSupportFragmentManager().beginTransaction().replace(R.id.domain_settings_scrollview, domainSettingsFragment).commit();
+
+ // Enable the options `MenuItems`.
+ deleteMenuItem.setEnabled(true);
+ deleteMenuItem.setIcon(R.drawable.delete);
+ saveMenuItem.setEnabled(true);
+ break;
+
+ // The `Snackbar` was dismissed without the `Undo` button being pushed.
+ default:
+ // Delete the selected domain.
+ domainsDatabaseHelper.deleteDomain(databaseId);
+ break;
+ }
+ }
+ })
+ .show();
break;
}
+
+ // Consume the event.
return true;
}
}
private void updateDomainsListView() {
+ // Initialize `currentPosition`.
+ int currentPosition;
+
+ // Store the current position of `domainsListView` if it is already populated.
+ if (domainsListView.getCount() > 0){
+ currentPosition = domainsListView.getCheckedItemPosition();
+ } else {
+ // Set `currentPosition` to 0;
+ currentPosition = 0;
+ }
+
// Get a `Cursor` with the current contents of the domains database.
- Cursor domainsCursor = domainsDatabaseHelper.getCursorOrderedByDomain();
+ Cursor domainsCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
// Setup `domainsCursorAdapter` with `this` context. `false` disables `autoRequery`.
CursorAdapter domainsCursorAdapter = new CursorAdapter(this, domainsCursor, false) {
// Display the domain settings in the second pane if operating in two pane mode and the database contains at least one domain.
if (twoPaneMode && (domainsCursor.getCount() > 0)) {
- // Select the first domain.
- domainsListView.setItemChecked(0, true);
+ // Select the entry in the domain list at `currentPosition`.
+ domainsListView.setItemChecked(currentPosition, true);
- // Get the `databaseId` of the first item.
- domainsCursor.moveToFirst();
+ // Get the `databaseId` for `currentPosition`.
+ domainsCursor.moveToPosition(currentPosition);
databaseId = domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper._ID));
// Store `databaseId` in `argumentsBundle`.