import android.content.Context;
import android.database.Cursor;
import android.os.Bundle;
+import android.os.Handler;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.app.FragmentManager;
// `deleteMenuItem` is public static so it can be accessed from `DomainsListFragment`. It is also used in `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `onBackPressed()`.
public static MenuItem deleteMenuItem;
+ // `undoDeleteSnackbar` is public static so it can be accessed from `DomainsListFragment`. It is also used in `onOptionsItemSelected()`.
+ public static Snackbar undoDeleteSnackbar;
+
+ // `dismissingSnackbar` is public static so it can be accessed from `DomainsListFragment`. It is also used in `onOptionsItemSelected()`.
+ public static boolean dismissingSnackbar;
+
// `context` is used in `onCreate()`, `onOptionsItemSelected()`, and `onAddDomain()`.
private Context context;
// Only display `deleteMenuItem` (initially) in two-paned mode.
deleteMenuItem.setVisible(twoPanedMode);
- // Populate the list of domains. We have to do this from `onCreateOptionsMenu()` instead of `onCreate()` because `populateDomainsListView()` needs the `deleteMenuItem` to be inflated.
- populateDomainsListView();
+ // Populate the list of domains. We have to do this from `onCreateOptionsMenu()` instead of `onCreate()` because `populateDomainsListView()` needs the `deleteMenuItem` to be inflated. `-1` highlights the first domain.
+ populateDomainsListView(-1);
// Success!
return true;
switch (menuItemID) {
case android.R.id.home: // The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
if (twoPanedMode) { // The device is in two-paned mode.
- // If there is at least one domain, save the current domain settings.
- if (domainsListView.getCount() > 0) {
+ // Save the current domain settings if the domain settings fragment is displayed.
+ if (findViewById(R.id.domain_settings_scrollview) != null) {
saveDomainSettings();
}
supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
supportFragmentManager.executePendingTransactions();
- // Populate the list of domains.
- populateDomainsListView();
+ // Populate the list of domains. `-1` highlights the first domain if in two-paned mode. It has no effect in single-paned mode.
+ populateDomainsListView(-1);
// Update `domainSettingsFragmentDisplayed`.
domainSettingsFragmentDisplayed = false;
domainsListView.setAdapter(domainsPendingDeleteCursorAdapter);
// Display a `Snackbar`.
- Snackbar.make(domainsListView, R.string.domain_deleted, Snackbar.LENGTH_LONG)
+ undoDeleteSnackbar = Snackbar.make(domainsListView, R.string.domain_deleted, Snackbar.LENGTH_LONG)
.setAction(R.string.undo, new View.OnClickListener() {
@Override
public void onClick(View v) {
default:
// Delete the selected domain.
domainsDatabaseHelper.deleteDomain(databaseIdToDelete);
+
+ // enable `deleteMenuItem` if the system was waiting for a `Snackbar` to be dismissed.
+ if (DomainsActivity.dismissingSnackbar) {
+ // Create a `Runnable` to enable the delete menu item.
+ Runnable enableDeleteMenuItemRunnable = new Runnable() {
+ @Override
+ public void run() {
+ // Enable `deleteMenuItem` according to the display mode.
+ if (twoPanedMode) { // Two-paned mode.
+ // Enable `deleteMenuItem`.
+ deleteMenuItem.setEnabled(true);
+
+ // Set the delete icon according to the theme.
+ if (MainWebViewActivity.darkTheme) {
+ deleteMenuItem.setIcon(R.drawable.delete_dark);
+ } else {
+ deleteMenuItem.setIcon(R.drawable.delete_light);
+ }
+ } else { // Single-paned mode.
+ // Show `deleteMenuItem`.
+ deleteMenuItem.setVisible(true);
+ }
+
+ // Reset `dismissingSnackbar`.
+ dismissingSnackbar = false;
+ }
+ };
+
+ // Run `enableDeleteMenuItemRunnable` after 100 milliseconds to make sure that the previous domain has been deleted from the database.
+ Handler handler = new Handler();
+ handler.postDelayed(enableDeleteMenuItemRunnable, 100);
+ }
break;
}
}
- })
- .show();
+ });
+ undoDeleteSnackbar.show();
break;
}
@Override
public void onBackPressed() {
if (twoPanedMode) { // The device is in two-paned mode.
- // If there is at least one domain, save the current domain settings.
- if (domainsListView.getCount() > 0) {
+ // Save the current domain settings if the domain settings fragment is displayed.
+ if (findViewById(R.id.domain_settings_scrollview) != null) {
saveDomainSettings();
}
supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
supportFragmentManager.executePendingTransactions();
- // Populate the list of domains.
- populateDomainsListView();
+ // Populate the list of domains. `-1` highlights the first domain if in two-paned mode. It has no effect in single-paned mode.
+ populateDomainsListView(-1);
// Update `domainSettingsFragmentDisplayed`.
domainSettingsFragmentDisplayed = false;
@Override
public void onAddDomain(AppCompatDialogFragment dialogFragment) {
+ // Dismiss `undoDeleteSnackbar` if it is currently displayed.
+ if ((undoDeleteSnackbar != null) && (undoDeleteSnackbar.isShown())) {
+ undoDeleteSnackbar.dismiss();
+ }
+
// Get the `domainNameEditText` from `dialogFragment` and extract the string.
EditText domainNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.domain_name_edittext);
String domainNameString = domainNameEditText.getText().toString();
- // Create the domain.
- domainsDatabaseHelper.addDomain(domainNameString);
+ // Create the domain and store the database ID in `currentDomainDatabaseId`.
+ currentDomainDatabaseId = domainsDatabaseHelper.addDomain(domainNameString);
+
+ // Display the newly created domain.
+ if (twoPanedMode) { // The device in in two-paned mode.
+ populateDomainsListView(currentDomainDatabaseId);
+ } else { // The device is in single-paned mode.
+ // Hide `add_domain_fab`.
+ addDomainFAB.setVisibility(View.GONE);
- // Populate the `ListView`.
- populateDomainsListView();
+ // Show and enable `deleteMenuItem`.
+ DomainsActivity.deleteMenuItem.setVisible(true);
+
+ // Set `domainSettingsFragmentDisplayed`.
+ DomainsActivity.domainSettingsFragmentDisplayed = true;
+
+ // Add `currentDomainDatabaseId` to `argumentsBundle`.
+ Bundle argumentsBundle = new Bundle();
+ argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId);
+
+ // Add `argumentsBundle` to `domainSettingsFragment`.
+ DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment();
+ domainSettingsFragment.setArguments(argumentsBundle);
+
+ // Display `domainSettingsFragment`.
+ supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit();
+ }
}
private void saveDomainSettings() {
displayWebpageImagesInt);
}
- private void populateDomainsListView() {
+ private void populateDomainsListView(final int highlightedDomainDatabaseId) {
// get a handle for the current `domains_listview`.
domainsListView = (ListView) findViewById(R.id.domains_listview);
// Display the domain settings in the second pane if operating in two pane mode and the database contains at least one domain.
if (DomainsActivity.twoPanedMode && (domainsCursor.getCount() > 0)) { // Two-paned mode is enabled and there is at least one domain.
- // Select the first domain.
- domainsListView.setItemChecked(0, true);
+ // Initialize `highlightedDomainPosition`.
+ int highlightedDomainPosition = 0;
+
+ // Get the cursor position for the highlighted domain.
+ for (int i = 0; i < domainsCursor.getCount(); i++) {
+ // Move to position `i` in the cursor.
+ domainsCursor.moveToPosition(i);
+
+ // Get the database ID for this position.
+ int currentDatabaseId = domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper._ID));
+
+ // Set `highlightedDomainPosition` if the database ID for this matches `highlightedDomainDatabaseId`.
+ if (highlightedDomainDatabaseId == currentDatabaseId) {
+ highlightedDomainPosition = i;
+ }
+ }
+
+ // Select the highlighted domain.
+ domainsListView.setItemChecked(highlightedDomainPosition, true);
- // Get the `databaseId` for the first domain.
- domainsCursor.moveToPosition(0);
+ // Get the `databaseId` for the highlighted domain.
+ domainsCursor.moveToPosition(highlightedDomainPosition);
currentDomainDatabaseId = domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper._ID));
// Store `databaseId` in `argumentsBundle`.