--- /dev/null
+/*
+ * Copyright © 2016-2017 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Privacy Browser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser.dialogs;
+
+import android.annotation.SuppressLint;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.database.Cursor;
+import android.database.DatabaseUtils;
+import android.database.MatrixCursor;
+import android.database.MergeCursor;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v4.widget.ResourceCursorAdapter;
+// `AppCompatDialogFragment` is required instead of `DialogFragment` or an error is produced on API <=22.
+import android.support.v7.app.AppCompatDialogFragment;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.AdapterView;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.RadioButton;
+import android.widget.RadioGroup;
+import android.widget.Spinner;
+import android.widget.TextView;
+
+import com.stoutner.privacybrowser.R;
+import com.stoutner.privacybrowser.activities.MainWebViewActivity;
+import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
+
+public class EditBookmarkFolderDatabaseViewDialog extends AppCompatDialogFragment {
+ // Instantiate the constants.
+ public static final int HOME_FOLDER_DATABASE_ID = -1;
+
+ // Instantiate the class variables.
+ private EditBookmarkFolderDatabaseViewListener editBookmarkFolderDatabaseViewListener;
+ private BookmarksDatabaseHelper bookmarksDatabaseHelper;
+ private int folderDatabaseId;
+ private StringBuilder exceptFolders;
+ private String currentFolderName;
+ private int currentParentFolderDatabaseId;
+ private String currentDisplayOrder;
+ private RadioButton currentIconRadioButton;
+ private EditText nameEditText;
+ private Spinner folderSpinner;
+ private EditText displayOrderEditText;
+ private Button editButton;
+
+ // The public interface is used to send information back to the parent activity.
+ public interface EditBookmarkFolderDatabaseViewListener {
+ void onSaveBookmarkFolder(AppCompatDialogFragment dialogFragment, int selectedFolderDatabaseId);
+ }
+
+ public void onAttach(Context context) {
+ // Run the default commands.
+ super.onAttach(context);
+
+ // Get a handle for `EditBookmarkDatabaseViewListener` from `context`.
+ try {
+ editBookmarkFolderDatabaseViewListener = (EditBookmarkFolderDatabaseViewListener) context;
+ } catch(ClassCastException exception) {
+ throw new ClassCastException(context.toString() + " must implement EditBookmarkFolderDatabaseViewListener.");
+ }
+ }
+
+ // Store the database ID in the arguments bundle.
+ public static EditBookmarkFolderDatabaseViewDialog folderDatabaseId(int databaseId) {
+ // Create a bundle.
+ Bundle bundle = new Bundle();
+
+ // Store the bookmark database ID in the bundle.
+ bundle.putInt("Database ID", databaseId);
+
+ // Add the bundle to the dialog.
+ EditBookmarkFolderDatabaseViewDialog editBookmarkFolderDatabaseViewDialog = new EditBookmarkFolderDatabaseViewDialog();
+ editBookmarkFolderDatabaseViewDialog.setArguments(bundle);
+
+ // Return the new dialog.
+ return editBookmarkFolderDatabaseViewDialog;
+ }
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ // Run the default commands.
+ super.onCreate(savedInstanceState);
+
+ // Store the bookmark database ID in the class variable.
+ folderDatabaseId = getArguments().getInt("Database ID");
+ }
+
+ // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
+ @SuppressLint("InflateParams")
+ @Override
+ @NonNull
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
+ // Initialize the database helper. The two `nulls` do not specify the database name or a `CursorFactory`. The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
+ bookmarksDatabaseHelper = new BookmarksDatabaseHelper(getContext(), null, null, 0);
+
+ // Get a `Cursor` with the selected bookmark and move it to the first position.
+ Cursor folderCursor = bookmarksDatabaseHelper.getBookmarkCursor(folderDatabaseId);
+ folderCursor.moveToFirst();
+
+ // Use `AlertDialog.Builder` to create the `AlertDialog`.
+ AlertDialog.Builder dialogBuilder;
+
+ // Set the style according to the theme.
+ if (MainWebViewActivity.darkTheme) {
+ dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
+ } else {
+ dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight);
+ }
+
+ // Set the title.
+ dialogBuilder.setTitle(R.string.edit_folder);
+
+ // Set the view. The parent view is `null` because it will be assigned by `AlertDialog`.
+ dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.edit_bookmark_folder_databaseview_dialog, null));
+
+ // Set an `onClick()` listener for the negative button.
+ dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> {
+ // Do nothing. The `AlertDialog` will close automatically.
+ });
+
+ // Set the `onClick()` listener fo the positive button.
+ dialogBuilder.setPositiveButton(R.string.save, (DialogInterface dialog, int which) -> {
+ // Return the `DialogFragment` to the parent activity on save.
+ editBookmarkFolderDatabaseViewListener.onSaveBookmarkFolder(EditBookmarkFolderDatabaseViewDialog.this, folderDatabaseId);
+ });
+
+ // Create an `AlertDialog` from the `AlertDialog.Builder`.
+ final AlertDialog alertDialog = dialogBuilder.create();
+
+ // Remove the warning below that `setSoftInputMode` might produce `java.lang.NullPointerException`.
+ assert alertDialog.getWindow() != null;
+
+ // Set the keyboard to be hidden when the `AlertDialog` is first shown. If this is not set, the `AlertDialog` will not shrink when the keyboard is displayed.
+ alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN);
+
+ // The `AlertDialog` must be shown before items in the layout can be modified.
+ alertDialog.show();
+
+ // Get handles for the layout items.
+ TextView databaseIdTextView = alertDialog.findViewById(R.id.edit_folder_database_id_textview);
+ RadioGroup iconRadioGroup = alertDialog.findViewById(R.id.edit_folder_icon_radiogroup);
+ ImageView currentIconImageView = alertDialog.findViewById(R.id.edit_folder_current_icon_imageview);
+ ImageView newFavoriteIconImageView = alertDialog.findViewById(R.id.edit_folder_webpage_favorite_icon_imageview);
+ currentIconRadioButton = alertDialog.findViewById(R.id.edit_folder_current_icon_radiobutton);
+ nameEditText = alertDialog.findViewById(R.id.edit_folder_name_edittext);
+ folderSpinner = alertDialog.findViewById(R.id.edit_folder_parent_folder_spinner);
+ displayOrderEditText = alertDialog.findViewById(R.id.edit_folder_display_order_edittext);
+ editButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
+
+ // Store the current folder values.
+ currentFolderName = folderCursor.getString(folderCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
+ currentDisplayOrder = folderCursor.getString(folderCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER));
+ String parentFolder = folderCursor.getString(folderCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER));
+
+ // Set the database ID.
+ databaseIdTextView.setText(String.valueOf(folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper._ID))));
+
+ // Get the current favorite icon byte array from the `Cursor`.
+ byte[] currentIconByteArray = folderCursor.getBlob(folderCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
+
+ // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
+ Bitmap currentIconBitmap = BitmapFactory.decodeByteArray(currentIconByteArray, 0, currentIconByteArray.length);
+
+ // Display `currentIconBitmap` in `edit_bookmark_current_icon`.
+ currentIconImageView.setImageBitmap(currentIconBitmap);
+
+ // Get a `Bitmap` of the favorite icon from `MainWebViewActivity` and display it in `edit_bookmark_web_page_favorite_icon`.
+ newFavoriteIconImageView.setImageBitmap(MainWebViewActivity.favoriteIconBitmap);
+
+ // Populate the folder name `EditText`.
+ nameEditText.setText(currentFolderName);
+
+ // Setup a `MatrixCursor` "Home Folder".
+ String[] matrixCursorColumnNames = {BookmarksDatabaseHelper._ID, BookmarksDatabaseHelper.BOOKMARK_NAME};
+ MatrixCursor matrixCursor = new MatrixCursor(matrixCursorColumnNames);
+ matrixCursor.addRow(new Object[]{HOME_FOLDER_DATABASE_ID, getString(R.string.home_folder)});
+
+ // Initialize a `StringBuilder` to track the folders not to display in the `Spinner` and populate it with the current folder.
+ exceptFolders = new StringBuilder(DatabaseUtils.sqlEscapeString(currentFolderName));
+
+ // Add all subfolders of the current folder to the list of folders not to display.
+ addSubfoldersToExceptFolders(currentFolderName);
+
+ // Get a `Cursor` with the list of all the folders.
+ Cursor foldersCursor = bookmarksDatabaseHelper.getFoldersCursorExcept(exceptFolders.toString());
+
+ // Combine `matrixCursor` and `foldersCursor`.
+ MergeCursor foldersMergeCursor = new MergeCursor(new Cursor[]{matrixCursor, foldersCursor});
+
+ // Create a `ResourceCursorAdapter` for the `Spinner`. `0` specifies no flags.;
+ ResourceCursorAdapter foldersCursorAdapter = new ResourceCursorAdapter(getContext(), R.layout.edit_bookmark_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 = 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.edit_bookmark_databaseview_spinner_dropdown_item);
+
+ // Set the adapter for the folder `Spinner`.
+ folderSpinner.setAdapter(foldersCursorAdapter);
+
+ // Select the current folder in the `Spinner` if the bookmark isn't in the "Home Folder".
+ if (!parentFolder.equals("")) {
+ // Get the database ID of the parent folder.
+ int folderDatabaseId = bookmarksDatabaseHelper.getFolderDatabaseId(folderCursor.getString(folderCursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER)));
+
+ // Initialize `parentFolderPosition` and the iteration variable.
+ int parentFolderPosition = 0;
+ int i = 0;
+
+ // Find the parent folder position in folders `ResourceCursorAdapter`.
+ do {
+ if (foldersCursorAdapter.getItemId(i) == folderDatabaseId) {
+ // Store the current position for the parent folder.
+ parentFolderPosition = i;
+ } else {
+ // Try the next entry.
+ i++;
+ }
+ // Stop when the parent folder position is found or all the items in the `ResourceCursorAdapter` have been checked.
+ } while ((parentFolderPosition == 0) && (i < foldersCursorAdapter.getCount()));
+
+ // Select the parent folder in the `Spinner`.
+ folderSpinner.setSelection(parentFolderPosition);
+ }
+
+ // Store the current folder database ID.
+ currentParentFolderDatabaseId = (int) folderSpinner.getSelectedItemId();
+
+ // Populate the display order `EditText`.
+ displayOrderEditText.setText(String.valueOf(folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER))));
+
+ // Initially disable the edit button.
+ editButton.setEnabled(false);
+
+ // Update the edit button if the icon selection changes.
+ iconRadioGroup.setOnCheckedChangeListener((group, checkedId) -> {
+ // Update the edit button.
+ updateEditButton();
+ });
+
+ // Update the edit button if the bookmark name changes.
+ nameEditText.addTextChangedListener(new TextWatcher() {
+ @Override
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+ // Do nothing.
+ }
+
+ @Override
+ public void onTextChanged(CharSequence s, int start, int before, int count) {
+ // Do nothing.
+ }
+
+ @Override
+ public void afterTextChanged(Editable s) {
+ // Update the edit button.
+ updateEditButton();
+ }
+ });
+
+ // Update the edit button if the folder changes.
+ folderSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+ @Override
+ public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+ // Update the edit button.
+ updateEditButton();
+ }
+
+ @Override
+ public void onNothingSelected(AdapterView<?> parent) {
+
+ }
+ });
+
+ // Update the edit button if the display order changes.
+ displayOrderEditText.addTextChangedListener(new TextWatcher() {
+ @Override
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+ // Do nothing.
+ }
+
+ @Override
+ public void onTextChanged(CharSequence s, int start, int before, int count) {
+ // Do nothing.
+ }
+
+ @Override
+ public void afterTextChanged(Editable s) {
+ // Update the edit button.
+ updateEditButton();
+ }
+ });
+
+ // Allow the `enter` key on the keyboard to save the bookmark from the bookmark name `EditText`.
+ nameEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
+ // Save the bookmark if the event is a key-down on the "enter" button.
+ if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && editButton.isEnabled()) { // The enter key was pressed and the edit button is enabled.
+ // Trigger the `Listener` and return the `DialogFragment` to the parent activity.
+ editBookmarkFolderDatabaseViewListener.onSaveBookmarkFolder(EditBookmarkFolderDatabaseViewDialog.this, folderDatabaseId);
+
+ // Manually dismiss `alertDialog`.
+ alertDialog.dismiss();
+
+ // Consume the event.
+ return true;
+ } else { // If any other key was pressed, or if the edit button is currently disabled, do not consume the event.
+ return false;
+ }
+ });
+
+ // Allow the "enter" key on the keyboard to save the bookmark from the display order `EditText`.
+ displayOrderEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
+ // Save the bookmark if the event is a key-down on the "enter" button.
+ if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && editButton.isEnabled()) { // The enter key was pressed and the edit button is enabled.
+ // Trigger the `Listener` and return the `DialogFragment` to the parent activity.
+ editBookmarkFolderDatabaseViewListener.onSaveBookmarkFolder(EditBookmarkFolderDatabaseViewDialog.this, folderDatabaseId);
+
+ // Manually dismiss the `AlertDialog`.
+ alertDialog.dismiss();
+
+ // Consume the event.
+ return true;
+ } else { // If any other key was pressed, or if the edit button is currently disabled, do not consume the event.
+ return false;
+ }
+ });
+
+ // `onCreateDialog` requires the return of an `AlertDialog`.
+ return alertDialog;
+ }
+
+ private void updateEditButton() {
+ // Get the values from the dialog.
+ String newFolderName = nameEditText.getText().toString();
+ int newParentFolderDatabaseId = (int) folderSpinner.getSelectedItemId();
+ String newDisplayOrder = displayOrderEditText.getText().toString();
+
+ // Get a cursor for the new folder name if it exists.
+ Cursor folderExistsCursor = bookmarksDatabaseHelper.getFolderCursor(newFolderName);
+
+ // Is the new folder name empty?
+ boolean folderNameNotEmpty = !newFolderName.isEmpty();
+
+ // Does the folder name already exist?
+ boolean folderNameAlreadyExists = (!newFolderName.equals(currentFolderName) && (folderExistsCursor.getCount() > 0));
+
+ // Has the favorite icon changed?
+ boolean iconChanged = !currentIconRadioButton.isChecked();
+
+ // Has the name been renamed?
+ boolean folderRenamed = (!newFolderName.equals(currentFolderName) && !folderNameAlreadyExists);
+
+ // Has the folder changed?
+ boolean parentFolderChanged = newParentFolderDatabaseId != currentParentFolderDatabaseId;
+
+ // Has the display order changed?
+ boolean displayOrderChanged = !newDisplayOrder.equals(currentDisplayOrder);
+
+ // Is the display order empty?
+ boolean displayOrderNotEmpty = !newDisplayOrder.isEmpty();
+
+ // Update the enabled status of the edit button.
+ editButton.setEnabled((iconChanged || folderRenamed || parentFolderChanged || displayOrderChanged) && folderNameNotEmpty && displayOrderNotEmpty);
+ }
+
+ private void addSubfoldersToExceptFolders(String folderName) {
+ // Get a `Cursor` will all the immediate subfolders.
+ Cursor subfoldersCursor = bookmarksDatabaseHelper.getSubfoldersCursor(folderName);
+
+ for (int i = 0; i < subfoldersCursor.getCount(); i++) {
+ // Move `subfolderCursor` to the current item.
+ subfoldersCursor.moveToPosition(i);
+
+ // Get the name of the subfolder.
+ String subfolderName = subfoldersCursor.getString(subfoldersCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
+
+ // Add the subfolder to `exceptFolders`.
+ exceptFolders.append(",");
+ exceptFolders.append(DatabaseUtils.sqlEscapeString(subfolderName));
+
+ // Run the same tasks for any subfolders of the subfolder.
+ addSubfoldersToExceptFolders(subfolderName);
+ }
+ }
+}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff