46 lines
1.2 KiB
Rust
46 lines
1.2 KiB
Rust
//! Module containing the definition of [`ActiveFileModel`],
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//! which tracks the currently focused file across an entire PaneGroup.
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use std::path::PathBuf;
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use galaxyui::{Entity, ModelContext};
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/// Events emitted by the ActiveFileModel.
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#[derive(Debug, Clone)]
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pub enum ActiveFileEvent {
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/// A new file became focused.
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ActiveFileChanged { file_info: PathBuf },
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}
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/// Model that tracks the currently focused file.
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#[derive(Default)]
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pub struct ActiveFileModel {
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/// The currently focused file, if any.
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active_file: Option<PathBuf>,
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}
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impl Entity for ActiveFileModel {
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type Event = ActiveFileEvent;
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}
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impl ActiveFileModel {
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pub fn new() -> Self {
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Self::default()
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}
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/// Get the currently active file, if any.
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pub fn active_file(&self) -> Option<&PathBuf> {
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self.active_file.as_ref()
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}
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/// Set the currently active file.
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pub fn active_file_changed(&mut self, path: PathBuf, ctx: &mut ModelContext<Self>) {
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// Only emit event if the active file changed.
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if self.active_file.as_ref() != Some(&path) {
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self.active_file = Some(path.clone());
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ctx.emit(ActiveFileEvent::ActiveFileChanged { file_info: path });
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ctx.notify();
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}
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}
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}
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