maolan 0.2.0

Rust DAW application for recording, editing, routing, automation, export, and plugin hosting
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153

use crate::{message::Message, state::State};
use iced::{
    Alignment, Element, Length,
    widget::{button, column, container, row, text, text_input},
};

#[derive(Debug)]
pub struct ClipRenameView {
    state: State,
}

impl ClipRenameView {
    pub fn new(state: State) -> Self {
        Self { state }
    }

    pub fn update(&mut self, message: &Message) {
        if let Message::ClipRenameInput(input) = message
            && let Some(dialog) = &mut self.state.blocking_write().clip_rename_dialog
        {
            dialog.new_name = input.clone();
        }
    }

    pub fn view(&self) -> Element<'_, Message> {
        let state = self.state.blocking_read();
        let Some(dialog) = &state.clip_rename_dialog else {
            return container("").into();
        };

        let current_name_raw = state
            .tracks
            .iter()
            .find(|t| t.name == dialog.track_idx)
            .and_then(|t| match dialog.kind {
                maolan_engine::kind::Kind::Audio => {
                    t.audio.clips.get(dialog.clip_idx).map(|c| c.name.as_str())
                }
                maolan_engine::kind::Kind::MIDI => {
                    t.midi.clips.get(dialog.clip_idx).map(|c| c.name.as_str())
                }
            })
            .unwrap_or("");

        let current_name = clean_clip_name(current_name_raw);

        let new_name = &dialog.new_name;
        let can_confirm = !new_name.trim().is_empty() && new_name != &current_name;

        fn clean_clip_name(name: &str) -> String {
            let mut cleaned = name.to_string();
            if let Some(stripped) = cleaned.strip_prefix("audio/") {
                cleaned = stripped.to_string();
            }
            if let Some(stripped) = cleaned.strip_suffix(".wav") {
                cleaned = stripped.to_string();
            }
            cleaned
        }

        let rename_button = if can_confirm {
            button("Rename").on_press(Message::ClipRenameConfirm)
        } else {
            button("Rename")
        };

        container(
            column![
                text(format!("Rename clip: {}", current_name)).size(16),
                row![
                    text("New name:"),
                    text_input("Enter new name", new_name)
                        .on_input(Message::ClipRenameInput)
                        .width(Length::Fixed(300.0)),
                ]
                .spacing(10)
                .align_y(Alignment::Center),
                row![
                    rename_button,
                    button("Cancel")
                        .on_press(Message::ClipRenameCancel)
                        .style(button::secondary)
                ]
                .spacing(10),
            ]
            .align_x(Alignment::End)
            .spacing(15),
        )
        .style(|_theme| crate::style::app_background())
        .padding(20)
        .width(Length::Fill)
        .height(Length::Fill)
        .align_x(Alignment::Center)
        .align_y(Alignment::Center)
        .into()
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use maolan_engine::kind::Kind;
    use std::sync::Arc;
    use tokio::sync::RwLock;

    #[test]
    fn update_sets_clip_rename_input_when_dialog_is_open() {
        let state = Arc::new(RwLock::new(crate::state::StateData::default()));
        state.blocking_write().clip_rename_dialog = Some(crate::state::ClipRenameDialog {
            track_idx: "Track".to_string(),
            clip_idx: 0,
            kind: Kind::Audio,
            new_name: "Old".to_string(),
        });
        let mut view = ClipRenameView::new(state.clone());

        view.update(&Message::ClipRenameInput("New".to_string()));

        assert_eq!(
            state
                .blocking_read()
                .clip_rename_dialog
                .as_ref()
                .map(|dialog| dialog.new_name.as_str()),
            Some("New")
        );
    }

    #[test]
    fn update_ignores_clip_rename_input_when_dialog_is_closed() {
        let state = Arc::new(RwLock::new(crate::state::StateData::default()));
        let mut view = ClipRenameView::new(state.clone());

        view.update(&Message::ClipRenameInput("New".to_string()));

        assert!(state.blocking_read().clip_rename_dialog.is_none());
    }

    #[test]
    fn new_creates_view() {
        let state = crate::state::State::default();
        let view = ClipRenameView::new(state);
        let _ = &view;
    }

    #[test]
    fn view_returns_empty_when_no_dialog() {
        let state = Arc::new(RwLock::new(crate::state::StateData::default()));
        let view = ClipRenameView::new(state);
        let element = view.view();
        let _ = &element;
    }
}