X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FEditBookmarkFolderDialog.java;h=f702293445bef0d7c46f9df8c98b625005734b4d;hb=94b8eb7e3ab8d12885743607276df840832570f1;hp=a2a71152feb9449a7b6554b501c9f651a2f64934;hpb=61a76e491469916f2f30aebb47b98cda7cceb557;p=PrivacyBrowserAndroid.git diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkFolderDialog.java b/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkFolderDialog.java index a2a71152..f7022934 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkFolderDialog.java +++ b/app/src/main/java/com/stoutner/privacybrowser/dialogs/EditBookmarkFolderDialog.java @@ -1,5 +1,5 @@ /* - * Copyright 2016 Soren Stoutner . + * Copyright © 2016-2017 Soren Stoutner . * * This file is part of Privacy Browser . * @@ -28,14 +28,20 @@ import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; +import android.support.annotation.IdRes; import android.support.annotation.NonNull; // We have to use `AppCompatDialogFragment` 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.Button; import android.widget.EditText; import android.widget.ImageView; +import android.widget.RadioButton; +import android.widget.RadioGroup; import com.stoutner.privacybrowser.activities.BookmarksActivity; import com.stoutner.privacybrowser.activities.MainWebViewActivity; @@ -75,10 +81,20 @@ public class EditBookmarkFolderDialog extends AppCompatDialogFragment { Cursor bookmarkCursor = BookmarksActivity.bookmarksDatabaseHelper.getBookmarkCursor(selectedBookmarkDatabaseId); bookmarkCursor.moveToFirst(); - // 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); + // 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); - // The parent view is `null` because it will be assigned by `AlertDialog`. + + // 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_dialog, null)); // Set an `onClick()` listener for the negative button. @@ -108,40 +124,112 @@ public class EditBookmarkFolderDialog extends AppCompatDialogFragment { // Show the keyboard when the `Dialog` is displayed on the screen. alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE); - // We need to show the `AlertDialog` before we can modify items in the layout. + // The `AlertDialog` must be shown before items in the layout can be modified. alertDialog.show(); + // Get handles for layout items in the `AlertDialog`. + final Button editButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE); + final RadioButton currentIconRadioButton = (RadioButton) alertDialog.findViewById(R.id.edit_folder_current_icon_radiobutton); + RadioGroup iconRadioGroup = (RadioGroup) alertDialog.findViewById(R.id.edit_folder_icon_radio_group); + + // Initially disable the edit button. + editButton.setEnabled(false); + // Get the current favorite icon byte array from the `Cursor`. byte[] currentIconByteArray = bookmarkCursor.getBlob(bookmarkCursor.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_folder_current_icon`. ImageView currentIconImageView = (ImageView) alertDialog.findViewById(R.id.edit_folder_current_icon); - assert currentIconImageView != null; // Remove the warning below that `currentIconImageView` might be null. currentIconImageView.setImageBitmap(currentIconBitmap); // Get a `Bitmap` of the favorite icon from `MainWebViewActivity` and display it in `edit_folder_web_page_favorite_icon`. ImageView webPageFavoriteIconImageView = (ImageView) alertDialog.findViewById(R.id.edit_folder_web_page_favorite_icon); - assert webPageFavoriteIconImageView != null; // Remove the warning below that `webPageFavoriteIcon` might be null. - webPageFavoriteIconImageView.setImageBitmap(MainWebViewActivity.favoriteIcon); + webPageFavoriteIconImageView.setImageBitmap(MainWebViewActivity.favoriteIconBitmap); + + // Get the current folder name. + final String currentFolderName = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)); + + // Display the current folder name in `edit_folder_name_edittext`. + final EditText folderNameEditText = (EditText) alertDialog.findViewById(R.id.edit_folder_name_edittext); + folderNameEditText.setText(currentFolderName); + + // Update the status of the edit button when the folder name is changed. + folderNameEditText.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) { + // Convert the current text to a string. + String newFolderName = s.toString(); + + // Get a cursor for the new folder name if it exists. + Cursor folderExistsCursor = BookmarksActivity.bookmarksDatabaseHelper.getFolderCursor(newFolderName); - // Load the text for `edit_folder_name_edittext`. - EditText folderNameEditText = (EditText) alertDialog.findViewById(R.id.edit_folder_name_edittext); - assert folderNameEditText != null; // Remove the warning below that `bookmarkNameEditText` might be null. - folderNameEditText.setText(bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME))); + // Is the new folder name empty? + boolean folderNameEmpty = newFolderName.isEmpty(); + + // Does the folder name already exist? + boolean folderNameAlreadyExists = (!newFolderName.equals(currentFolderName) && (folderExistsCursor.getCount() > 0)); + + // Has the folder been renamed? + boolean folderRenamed = (!newFolderName.equals(currentFolderName) && !folderNameAlreadyExists); + + // Has the favorite icon changed? + boolean iconChanged = (!currentIconRadioButton.isChecked() && !folderNameAlreadyExists); + + // Enable the create button if something has been edited and the new folder name is valid. + editButton.setEnabled(!folderNameEmpty && (folderRenamed || iconChanged)); + } + }); + + // Update the status of the edit button when the icon is changed. + iconRadioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { + @Override + public void onCheckedChanged(RadioGroup group, @IdRes int checkedId) { + // Get the new folder name. + String newFolderName = folderNameEditText.getText().toString(); + + // Get a cursor for the new folder name if it exists. + Cursor folderExistsCursor = BookmarksActivity.bookmarksDatabaseHelper.getFolderCursor(newFolderName); + + // Is the new folder name empty? + boolean folderNameEmpty = newFolderName.isEmpty(); + + // Does the folder name already exist? + boolean folderNameAlreadyExists = (!newFolderName.equals(currentFolderName) && (folderExistsCursor.getCount() > 0)); + + // Has the folder been renamed? + boolean folderRenamed = (!newFolderName.equals(currentFolderName) && !folderNameAlreadyExists); + + // Has the favorite icon changed? + boolean iconChanged = (!currentIconRadioButton.isChecked() && !folderNameAlreadyExists); + + // Enable the create button if something has been edited and the new folder name is valid. + editButton.setEnabled(!folderNameEmpty && (folderRenamed || iconChanged)); + } + }); // Allow the `enter` key on the keyboard to save the bookmark from `edit_bookmark_name_edittext`. folderNameEditText.setOnKeyListener(new View.OnKeyListener() { public boolean onKey(View v, int keyCode, KeyEvent event) { // If the event is a key-down on the "enter" button, select the PositiveButton `Save`. - if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { + if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && editButton.isEnabled()) { // The enter key was pressed and the edit button is enabled. // Trigger `editBookmarkListener` and return the DialogFragment to the parent activity. editBookmarkFolderListener.onSaveEditBookmarkFolder(EditBookmarkFolderDialog.this); // Manually dismiss the `AlertDialog`. alertDialog.dismiss(); // Consume the event. return true; - } else { // If any other key was pressed, do not consume the event. + } else { // If any other key was pressed, or if the edit button is currently disabled, do not consume the event. return false; } }