package com.stoutner.privacybrowser;
+import android.app.Activity;
+import android.app.Dialog;
import android.app.DialogFragment;
+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.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+// If we don't use `android.support.v7.app.AlertDialog` instead of `android.app.AlertDialog` then the dialog will be covered by the keyboard.
+import android.support.design.widget.Snackbar;
+import android.support.v4.content.ContextCompat;
+import android.support.v7.app.AlertDialog;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+import android.widget.ImageView;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import java.io.ByteArrayOutputStream;
public class MoveToFolder extends DialogFragment {
+ // The public interface is used to send information back to the parent activity.
+ public interface MoveToFolderListener {
+ void onCancelMoveToFolder(DialogFragment dialogFragment);
+
+ void onMoveToFolder(DialogFragment dialogFragment);
+ }
+
+ // `moveToFolderListener` is used in `onAttach()` and `onCreateDialog`.
+ private MoveToFolderListener moveToFolderListener;
+
+ public void onAttach(Activity parentActivity) {
+ super.onAttach(parentActivity);
+
+ // Get a handle for `MoveToFolderListener` from `parentActivity`.
+ try {
+ moveToFolderListener = (MoveToFolderListener) parentActivity;
+ } catch(ClassCastException exception) {
+ throw new ClassCastException(parentActivity.toString() + " must implement EditBookmarkFolderListener.");
+ }
+ }
+
+ // `exceptFolders` is used in `onCreateDialog()` and `addSubfoldersToExceptFolders()`.
+ private String exceptFolders;
+
+ @Override
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
+ // Use `AlertDialog.Builder` to create the `AlertDialog`. The style formats the color of the button text.
+ AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog);
+ dialogBuilder.setTitle(R.string.move_to_folder);
+ // The parent view is `null` because it will be assigned by `AlertDialog`.
+ dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.move_to_folder_dialog, null));
+
+ // Set an `onClick()` listener for the negative button.
+ dialogBuilder.setNegativeButton(R.string.cancel, new Dialog.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ // Return the `DialogFragment` to the parent activity on cancel.
+ moveToFolderListener.onCancelMoveToFolder(MoveToFolder.this);
+ }
+ });
+
+ // Set the `onClick()` listener fo the positive button.
+ dialogBuilder.setPositiveButton(R.string.move, new Dialog.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ // Return the `DialogFragment` to the parent activity on save.
+ moveToFolderListener.onMoveToFolder(MoveToFolder.this);
+ }
+ });
+
+ // Create an `AlertDialog` from the `AlertDialog.Builder`.
+ final AlertDialog alertDialog = dialogBuilder.create();
+
+ // We need to show the `AlertDialog` before we can modify items in the layout.
+ alertDialog.show();
+
+ // Initialize the `Cursor` and `CursorAdapter` variables.
+ Cursor foldersCursor;
+ CursorAdapter foldersCursorAdapter;
+
+ // Check to see if we are in the `Home Folder`.
+ if (BookmarksActivity.currentFolder.isEmpty()) { // Don't display `Home Folder` at the top of the `ListView`.
+ // Initialize `exceptFolders`.
+ exceptFolders = "";
+
+ // If a folder is selected, add it and all children to the list of folders not to display.
+ long[] selectedBookmarksLongArray = BookmarksActivity.bookmarksListView.getCheckedItemIds();
+ for (long databaseIdLong : selectedBookmarksLongArray) {
+ // Get `databaseIdInt` for each selected bookmark.
+ int databaseIdInt = (int) databaseIdLong;
+
+ // If `databaseIdInt` is a folder.
+ if (BookmarksActivity.bookmarksDatabaseHandler.isFolder(databaseIdInt)) {
+ // Get the name of the selected folder.
+ String folderName = BookmarksActivity.bookmarksDatabaseHandler.getFolderName(databaseIdInt);
+
+ if (exceptFolders.isEmpty()){
+ // Add the selected folder to the list of folders not to display.
+ exceptFolders = DatabaseUtils.sqlEscapeString(folderName);
+ } else {
+ // Add the selected folder to the end of the list of folders not to display.
+ exceptFolders = exceptFolders + "," + DatabaseUtils.sqlEscapeString(folderName);
+ }
+
+ // Add the selected folder's subfolders to the list of folders not to display.
+ addSubfoldersToExceptFolders(folderName);
+ }
+ }
+
+ // Get a `Cursor` containing the folders to display.
+ foldersCursor = BookmarksActivity.bookmarksDatabaseHandler.getFoldersCursorExcept(exceptFolders);
+
+ // Setup `foldersCursorAdaptor` with `this` context. `false` disables autoRequery.
+ foldersCursorAdapter = new CursorAdapter(alertDialog.getContext(), foldersCursor, 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 getActivity().getLayoutInflater().inflate(R.layout.move_to_folder_item_linearlayout, parent, false);
+ }
+
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ // Get the folder icon from `cursor`.
+ byte[] folderIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHandler.FAVORITE_ICON));
+ // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
+ Bitmap folderIconBitmap = BitmapFactory.decodeByteArray(folderIconByteArray, 0, folderIconByteArray.length);
+ // Display `folderIconBitmap` in `move_to_folder_icon`.
+ ImageView folderIconImageView = (ImageView) view.findViewById(R.id.move_to_folder_icon);
+ assert folderIconImageView != null; // Remove the warning below that `currentIconImageView` might be null;
+ folderIconImageView.setImageBitmap(folderIconBitmap);
+
+ // Get the folder name from `cursor` and display it in `move_to_folder_name_textview`.
+ String folderName = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHandler.BOOKMARK_NAME));
+ TextView folderNameTextView = (TextView) view.findViewById(R.id.move_to_folder_name_textview);
+ folderNameTextView.setText(folderName);
+ }
+ };
+ } else { // Display `Home Folder` at the top of the `ListView`.
+ // Get the home folder icon drawable and convert it to a `Bitmap`. `this` specifies the current context.
+ Drawable homeFolderIconDrawable = ContextCompat.getDrawable(getActivity().getApplicationContext(), R.drawable.folder_grey_bitmap);
+ BitmapDrawable homeFolderIconBitmapDrawable = (BitmapDrawable) homeFolderIconDrawable;
+ Bitmap homeFolderIconBitmap = homeFolderIconBitmapDrawable.getBitmap();
+ // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
+ ByteArrayOutputStream homeFolderIconByteArrayOutputStream = new ByteArrayOutputStream();
+ homeFolderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, homeFolderIconByteArrayOutputStream);
+ byte[] homeFolderIconByteArray = homeFolderIconByteArrayOutputStream.toByteArray();
+
+ // Setup a `MatrixCursor` for the `Home Folder`.
+ String[] homeFolderMatrixCursorColumnNames = {BookmarksDatabaseHandler._ID, BookmarksDatabaseHandler.BOOKMARK_NAME, BookmarksDatabaseHandler.FAVORITE_ICON};
+ MatrixCursor homeFolderMatrixCursor = new MatrixCursor(homeFolderMatrixCursorColumnNames);
+ homeFolderMatrixCursor.addRow(new Object[]{0, getString(R.string.home_folder), homeFolderIconByteArray});
+
+ // Add the parent folder to the list of folders not to display.
+ exceptFolders = DatabaseUtils.sqlEscapeString(BookmarksActivity.currentFolder);
+
+ // If a folder is selected, add it and all children to the list of folders not to display.
+ long[] selectedBookmarksLongArray = BookmarksActivity.bookmarksListView.getCheckedItemIds();
+ for (long databaseIdLong : selectedBookmarksLongArray) {
+ // Get `databaseIdInt` for each selected bookmark.
+ int databaseIdInt = (int) databaseIdLong;
+
+ // If `databaseIdInt` is a folder.
+ if (BookmarksActivity.bookmarksDatabaseHandler.isFolder(databaseIdInt)) {
+ // Get the name of the selected folder.
+ String folderName = BookmarksActivity.bookmarksDatabaseHandler.getFolderName(databaseIdInt);
+
+ // Add the selected folder to the end of the list of folders not to display.
+ exceptFolders = exceptFolders + "," + DatabaseUtils.sqlEscapeString(folderName);
+
+ // Add the selected folder's subfolders to the list of folders not to display.
+ addSubfoldersToExceptFolders(folderName);
+ }
+ }
+
+ // Get a `foldersCursor`.
+ foldersCursor = BookmarksActivity.bookmarksDatabaseHandler.getFoldersCursorExcept(exceptFolders);
+
+ // Combine `homeFolderMatrixCursor` and `foldersCursor`.
+ MergeCursor foldersMergeCursor = new MergeCursor(new Cursor[]{homeFolderMatrixCursor, foldersCursor});
+
+ // Setup `foldersCursorAdaptor` with `this` context. `false` disables autoRequery.
+ foldersCursorAdapter = new CursorAdapter(alertDialog.getContext(), foldersMergeCursor, 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 getActivity().getLayoutInflater().inflate(R.layout.move_to_folder_item_linearlayout, parent, false);
+ }
+
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ // Get the folder icon from `cursor`.
+ byte[] folderIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHandler.FAVORITE_ICON));
+ // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
+ Bitmap folderIconBitmap = BitmapFactory.decodeByteArray(folderIconByteArray, 0, folderIconByteArray.length);
+ // Display `folderIconBitmap` in `move_to_folder_icon`.
+ ImageView folderIconImageView = (ImageView) view.findViewById(R.id.move_to_folder_icon);
+ assert folderIconImageView != null; // Remove the warning below that `currentIconImageView` might be null;
+ folderIconImageView.setImageBitmap(folderIconBitmap);
+
+ // Get the folder name from `cursor` and display it in `move_to_folder_name_textview`.
+ String folderName = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHandler.BOOKMARK_NAME));
+ TextView folderNameTextView = (TextView) view.findViewById(R.id.move_to_folder_name_textview);
+ folderNameTextView.setText(folderName);
+ }
+ };
+ }
+
+ // Display the ListView
+ ListView foldersListView = (ListView) alertDialog.findViewById(R.id.move_to_folder_listview);
+ assert foldersListView != null; // Remove the warning below that `foldersListView` might be null.
+ foldersListView.setAdapter(foldersCursorAdapter);
+
+ // `onCreateDialog` requires the return of an `AlertDialog`.
+ return alertDialog;
+ }
+
+ public void addSubfoldersToExceptFolders(String folderName) {
+ // Get a `Cursor` will all the immediate subfolders.
+ Cursor subfoldersCursor = BookmarksActivity.bookmarksDatabaseHandler.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(BookmarksDatabaseHandler.BOOKMARK_NAME));
+
+ // Run the same tasks for any subfolders of the subfolder.
+ addSubfoldersToExceptFolders(subfolderName);
+
+ // Add the subfolder to `exceptFolders`.
+ subfolderName = DatabaseUtils.sqlEscapeString(subfolderName);
+ exceptFolders = exceptFolders + "," + subfolderName;
+ }
+
+ }
}