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| """Text management for melody practice. | |
| This class manages the text displayed | |
| in both the web and console versions of the melody practice. | |
| """ | |
| from typing import List | |
| from improvisation_lab.domain.composition import PhraseData | |
| from improvisation_lab.service.melody_practice_service import PitchResult | |
| class ViewTextManager: | |
| """Displayed text management for melody practice.""" | |
| def __init__(self): | |
| """Initialize the text manager.""" | |
| self.initialize_text() | |
| def initialize_text(self): | |
| """Initialize the text.""" | |
| self.phrase_text = "No phrase data" | |
| self.result_text = "Ready to start... (waiting for audio)" | |
| def terminate_text(self): | |
| """Terminate the text.""" | |
| self.phrase_text = "Session Stopped" | |
| self.result_text = "Practice ended" | |
| def set_waiting_for_audio(self): | |
| """Set the text to waiting for audio.""" | |
| self.result_text = "Waiting for audio..." | |
| def update_pitch_result(self, pitch_result: PitchResult): | |
| """Update the pitch result text. | |
| Args: | |
| pitch_result: The result of the pitch detection. | |
| """ | |
| result_text = ( | |
| f"Target: {pitch_result.target_note} | " | |
| f"Your note: {pitch_result.current_base_note or '---'}" | |
| ) | |
| if pitch_result.current_base_note is not None: | |
| result_text += f" | Remaining: {pitch_result.remaining_time:.1f}s" | |
| self.result_text = result_text | |
| def update_phrase_text(self, current_phrase_idx: int, phrases: List[PhraseData]): | |
| """Update the phrase text. | |
| Args: | |
| current_phrase_idx: The index of the current phrase. | |
| phrases: The list of phrases. | |
| """ | |
| if not phrases: | |
| self.phrase_text = "No phrase data" | |
| return self.phrase_text | |
| current_phrase = phrases[current_phrase_idx] | |
| self.phrase_text = ( | |
| f"Phrase {current_phrase_idx + 1}: " | |
| f"{current_phrase.chord_name}\n" | |
| f"{' -> '.join(current_phrase.notes)}" | |
| ) | |
| if current_phrase_idx < len(phrases) - 1: | |
| next_phrase = phrases[current_phrase_idx + 1] | |
| self.phrase_text += ( | |
| f"\nNext: {next_phrase.chord_name} ({next_phrase.notes[0]})" | |
| ) | |