import android.content.Context;
import android.database.Cursor;
+import android.database.MatrixCursor;
+import android.database.MergeCursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Typeface;
import android.os.Bundle;
import android.support.v4.content.ContextCompat;
import android.support.v4.widget.CursorAdapter;
+import android.support.v4.widget.ResourceCursorAdapter;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.ViewGroup;
+import android.widget.AdapterView;
import android.widget.ImageView;
import android.widget.ListView;
+import android.widget.Spinner;
import android.widget.TextView;
import com.stoutner.privacybrowser.R;
// `bookmarksListView` is used in `onCreate()` and `updateBookmarksListView()`.
private ListView bookmarksListView;
+ // `bookmarksCursorAdapter` is used in `onCreate()` and `updateBookmarksListView()`.
+ private CursorAdapter bookmarksCursorAdapter;
+
@Override
public void onCreate(Bundle savedInstanceState) {
// Set the activity theme.
}
super.onCreate(savedInstanceState);
- setContentView(R.layout.bookmarks_database_view_coordinatorlayout);
+ setContentView(R.layout.bookmarks_databaseview_coordinatorlayout);
// We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
final Toolbar bookmarksDatabaseViewAppBar = (Toolbar) findViewById(R.id.bookmarks_database_view_toolbar);
setSupportActionBar(bookmarksDatabaseViewAppBar);
- // Display the home arrow on `SupportActionBar`.
+ // Get a handle for the `AppBar`.
final ActionBar appBar = getSupportActionBar();
- assert appBar != null; // This assert removes the incorrect warning in Android Studio on the following line that appBar might be null.
- appBar.setDisplayHomeAsUpEnabled(true);
- // Initialize the database handler and the ListView.
- // `this` specifies the context. The two `null`s do not specify the database name or a `CursorFactory`.
- // The `0` is to specify a database version, but that is set instead using a constant in `BookmarksDatabaseHelper`.
+ // Remove the incorrect warning in Android Studio that `appBar` might be null.
+ assert appBar != null;
+
+ // Display the `Spinner` and the back arrow in the `AppBar`.
+ appBar.setCustomView(R.layout.bookmarks_databaseview_spinner);
+ appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_HOME_AS_UP);
+
+ // Initialize the database handler. `this` specifies the context. The two `null`s do not specify the database name or a `CursorFactory`. The `0` is to specify a database version, but that is set instead using a constant in `BookmarksDatabaseHelper`.
bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
+
+ // Setup a `MatrixCursor` for "All Folders" and "Home Folder".
+ String[] matrixCursorColumnNames = {BookmarksDatabaseHelper._ID, BookmarksDatabaseHelper.BOOKMARK_NAME};
+ MatrixCursor matrixCursor = new MatrixCursor(matrixCursorColumnNames);
+ matrixCursor.addRow(new Object[]{-2, getString(R.string.all_folders)});
+ matrixCursor.addRow(new Object[]{-1, getString(R.string.home_folder)});
+
+ // Get a `Cursor` with the list of all the folders.
+ Cursor foldersCursor = bookmarksDatabaseHelper.getAllFoldersCursor();
+
+ // Combine `matrixCursor` and `foldersCursor`.
+ MergeCursor foldersMergeCursor = new MergeCursor(new Cursor[]{matrixCursor, foldersCursor});
+
+ // Create a `ResourceCursorAdapter` for the spinner with `this` context. `0` specifies no flags.;
+ ResourceCursorAdapter foldersCursorAdapter = new ResourceCursorAdapter(this, R.layout.bookmarks_databaseview_spinner_item, foldersMergeCursor, 0) {
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ // Get a handle for the spinner item `TextView`.
+ TextView spinnerItemTextView = (TextView) view.findViewById(R.id.spinner_item_textview);
+
+ // Set the `TextView` to display the folder name.
+ spinnerItemTextView.setText(cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
+ }
+ };
+
+ // Set the `ResourceCursorAdapter` drop drown view resource.
+ foldersCursorAdapter.setDropDownViewResource(R.layout.bookmarks_databaseview_spinner_dropdown_item);
+
+ // Get a handle for the folder `Spinner`.
+ Spinner folderSpinner = (Spinner) findViewById(R.id.bookmarks_database_view_spinner);
+
+ // Set the adapter for the folder `Spinner`.
+ folderSpinner.setAdapter(foldersCursorAdapter);
+
+ // Handle clicks on the `Spinner` dropdown.
+ folderSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+ @Override
+ public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+ // Convert the database ID to an `int`.
+ int databaseId = (int) id;
+
+ // Instantiate the bookmarks `Cursor`.
+ Cursor bookmarksCursor;
+
+ // Populate the bookmarks `ListView` based on the `Spinner` selection.
+ switch (databaseId) {
+ // Display all the folders.
+ case -2:
+ // Get a cursor with all the folders.
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
+ break;
+
+ // Display the home folder.
+ case -1:
+ // Get a cursor for the home folder.
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor("");
+ break;
+
+ // Display the selected folder.
+ default:
+ // Get a handle for the selected view.
+ TextView selectedFolderTextView = (TextView) view.findViewById(R.id.spinner_item_textview);
+
+ // Extract the name of the selected folder.
+ String folderName = selectedFolderTextView.getText().toString();
+
+ // Get a cursor for the selected folder.
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor(folderName);
+ }
+
+ // Update the `ListView`.
+ bookmarksCursorAdapter.changeCursor(bookmarksCursor);
+ }
+
+ @Override
+ public void onNothingSelected(AdapterView<?> parent) {
+ // Do nothing.
+ }
+ });
+
+ // Get a handle for the bookmarks `ListView`.
bookmarksListView = (ListView) findViewById(R.id.bookmarks_database_view_listview);
- // Display the bookmarks in the ListView.
+ // Display the bookmarks in the `ListView`.
updateBookmarksListView();
-
}
private void updateBookmarksListView() {
final Cursor bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
// Setup `bookmarksCursorAdapter` with `this` context. The `false` disables autoRequery.
- CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
+ bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, 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.bookmarks_database_view_item_linearlayout, parent, false);
+ return getLayoutInflater().inflate(R.layout.bookmarks_databaseview_item_linearlayout, parent, false);
}
@Override
projects / PrivacyBrowserAndroid.git / blobdiff