autosuggest possible words for the last word in a bip39 seed

This commit is contained in:
Craig Raw 2023-03-22 15:50:12 +02:00
parent 98b33e184e
commit fd2b383dbc
2 changed files with 48 additions and 8 deletions

2
drongo

@ -1 +1 @@
Subproject commit 7eab644cecc71e591ba805cff1a408b9f31a9303
Subproject commit fe19c86544d75d0ce0d8c32b0cbbd44de64ae463

View file

@ -21,7 +21,6 @@ import javafx.scene.input.Clipboard;
import javafx.scene.layout.*;
import javafx.util.Callback;
import org.controlsfx.control.textfield.AutoCompletionBinding;
import org.controlsfx.control.textfield.CustomTextField;
import org.controlsfx.control.textfield.TextFields;
import org.controlsfx.glyphfont.Glyph;
import org.controlsfx.validation.ValidationResult;
@ -250,9 +249,14 @@ public class MnemonicKeystorePane extends TitledDescriptionPane {
if(clipboard.hasString() && clipboard.getString().matches("(?m).+[\\n\\s][\\S\\s]*")) {
String[] words = clipboard.getString().split("[\\n\\s]");
WordEntry entry = WordEntry.this;
for(String word : words) {
for(int i = 0; i < words.length; i++) {
String word = words[i];
if(entry.nextField != null) {
entry.nextField.requestFocus();
if(i == words.length - 2 && isValid(word)) {
label.requestFocus();
} else {
entry.nextField.requestFocus();
}
}
entry.wordField.setText(word);
@ -282,7 +286,7 @@ public class MnemonicKeystorePane extends TitledDescriptionPane {
wordField.setTextFormatter(formatter);
wordList = Bip39MnemonicCode.INSTANCE.getWordList();
AutoCompletionBinding<String> autoCompletionBinding = TextFields.bindAutoCompletion(wordField, new WordlistSuggestionProvider(wordList));
AutoCompletionBinding<String> autoCompletionBinding = TextFields.bindAutoCompletion(wordField, new WordlistSuggestionProvider(wordList, wordNumber, wordEntryList));
autoCompletionBinding.setDelay(50);
autoCompletionBinding.setOnAutoCompleted(event -> {
if(nextField != null) {
@ -290,11 +294,20 @@ public class MnemonicKeystorePane extends TitledDescriptionPane {
}
});
//Show autocomplete for the last word on focus if empty
boolean lastWord = wordNumber == wordEntryList.size() - 1;
if(lastWord) {
wordField.focusedProperty().addListener((observable, oldValue, focused) -> {
if(focused && wordField.getText().isEmpty()) {
autoCompletionBinding.setUserInput("");
}
});
}
ValidationSupport validationSupport = new ValidationSupport();
validationSupport.setValidationDecorator(new StyleClassValidationDecoration());
validationSupport.registerValidator(wordField, Validator.combine(
Validator.createEmptyValidator("Word is required"),
(Control c, String newValue) -> ValidationResult.fromErrorIf( c, "Invalid word", !wordList.contains(newValue))
(Control c, String newValue) -> ValidationResult.fromErrorIf( c, "Invalid word", (newValue.length() > 0 || !lastWord) && !wordList.contains(newValue))
));
wordField.textProperty().addListener((observable, oldValue, newValue) -> {
@ -323,13 +336,30 @@ public class MnemonicKeystorePane extends TitledDescriptionPane {
protected static class WordlistSuggestionProvider implements Callback<AutoCompletionBinding.ISuggestionRequest, Collection<String>> {
private final List<String> wordList;
private final int wordNumber;
private final ObservableList<String> wordEntryList;
public WordlistSuggestionProvider(List<String> wordList) {
public WordlistSuggestionProvider(List<String> wordList, int wordNumber, ObservableList<String> wordEntryList) {
this.wordList = wordList;
this.wordNumber = wordNumber;
this.wordEntryList = wordEntryList;
}
@Override
public Collection<String> call(AutoCompletionBinding.ISuggestionRequest request) {
if(wordNumber == wordEntryList.size() - 1 && allPreviousWordsValid()) {
try {
List<String> possibleLastWords = Bip39MnemonicCode.INSTANCE.getPossibleLastWords(wordEntryList.subList(0, wordEntryList.size() - 1));
if(!request.getUserText().isEmpty()) {
possibleLastWords.removeIf(s -> !s.startsWith(request.getUserText()));
}
return possibleLastWords;
} catch(Exception e) {
log.warn("Cannot determine possible last words", e);
}
}
List<String> suggestions = new ArrayList<>();
if(!request.getUserText().isEmpty()) {
for(String word : wordList) {
@ -341,6 +371,16 @@ public class MnemonicKeystorePane extends TitledDescriptionPane {
return suggestions;
}
private boolean allPreviousWordsValid() {
for(int i = 0; i < wordEntryList.size() - 1; i++) {
if(!WordEntry.isValid(wordEntryList.get(i))) {
return false;
}
}
return true;
}
}
protected class PassphraseEntry extends HBox {