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use super::{AssetTree, TreeEntry, TreeId, TreeSelection};
use crate::storage::{
asset::{Asset, AssetTrait},
asset_id::AssetId,
collections::Collections,
};
use egui::{
Button, Color32, Id, Margin, ScrollArea, Stroke, Ui,
scroll_area::ScrollBarVisibility::AlwaysVisible,
};
use egui_ltreeview::{Action, DragAndDrop, TreeView};
use std::sync::Arc;
impl<T: AssetTrait> AssetTree<T> {
/// Returns true if the selection has changed
pub fn show(&mut self, ui: &mut Ui, id: Id, collections: &mut Collections) -> bool {
let mut selection_changed = false;
ScrollArea::vertical()
.scroll_bar_visibility(AlwaysVisible)
.id_salt(format!("scroll: {id:?}"))
.show(ui, |ui| {
let entries = self.load(collections);
let mut tree_ids = vec![];
if !self.only_asset_selection {
ui.horizontal(|ui| {
let new_dir_name = vec!["New Folder".to_string()];
if ui
.add_enabled(
!self.empty_dirs.contains(&new_dir_name)
&& !entries.iter().any(|child| {
let TreeEntry::Dir(dir, ..) = child else {
return false;
};
dir == &new_dir_name
}),
Button::new("+Folder"),
)
.clicked()
{
self.empty_dirs.push(new_dir_name);
}
if ui
.add_enabled(
!self.empty_dirs.is_empty(),
Button::new("Clear Empty Folders"),
)
.clicked()
{
if matches!(self.selection, TreeSelection::Dir { .. }) {
self.selection = TreeSelection::None;
}
self.empty_dirs.clear();
}
});
}
let actions = TreeView::new(id)
.show(ui, |builder| {
for entry in entries.iter() {
entry.build(
&mut self.empty_dirs,
&mut tree_ids,
&mut Some(builder),
self.only_asset_selection,
collections,
);
}
})
.1;
for action in actions {
match action {
Action::SetSelected(index) => {
self.selection = index
.first()
.copied()
.map(|index| tree_ids.remove(index))
.and_then(|id| match id {
TreeId::File(id) => Asset::get(id, collections).map(|asset| {
TreeSelection::Asset(Arc::unwrap_or_clone(asset))
}),
TreeId::Dir(dir) => Some(TreeSelection::Dir {
current: dir.clone(),
new: dir,
}),
})
.unwrap_or_default();
selection_changed = true;
// we do not want keyboard focus so that keyboard bindings still work
ui.memory_mut(|memory| memory.stop_text_input());
}
Action::Move(DragAndDrop { source, target, .. }) => {
for source in source {
let mut target = target;
if source < target {
target -= 1;
}
let source = tree_ids.remove(source);
let target = tree_ids.remove(target);
if let (TreeId::File(source), TreeId::Dir(target)) =
(source, target)
{
let target = target.clone();
if let Some(asset) = Asset::get(source, collections) {
let mut asset = Arc::unwrap_or_clone(asset);
asset.path = target
.into_iter()
.chain(std::iter::once(
asset
.path
.last()
.expect("asset path must not be empty")
.clone(),
))
.collect();
asset.save(collections);
}
}
}
}
_ => {}
}
}
});
selection_changed
}
pub fn selected(&mut self) -> &mut TreeSelection<T> {
&mut self.selection
}
pub fn common_settings(
&mut self,
ui: &mut Ui,
dirty: &mut bool,
collections: &mut Collections,
) -> bool {
let mut changed = false;
egui::Frame::NONE
.inner_margin(Margin::from(6.0))
.stroke(Stroke::new(1.0, Color32::DARK_GRAY))
.show(ui, |ui| {
match &mut self.selection {
TreeSelection::Asset(asset) => {
ui.label("Name:");
let mut name = asset.name().to_string();
let res = ui
.vertical_centered_justified(|ui| ui.text_edit_singleline(&mut name))
.inner;
if res.changed() {
*dirty = true;
asset.path.pop();
asset.path.push(name);
}
}
TreeSelection::Dir { .. } => {
self.show_folder_editor(ui, collections);
return;
}
_ => {
ui.label("Please select an item from the tree");
return;
}
}
ui.add_space(4.0);
let width = ui.available_width() - 40.0;
ui.horizontal(|ui| {
egui::Frame::NONE
.inner_margin(Margin::from(3.0))
.show(ui, |ui| {
ui.set_max_width(width / 4.0);
ui.vertical_centered_justified(|ui| {
if ui
.add(Button::new(format!(
"Save{}",
if *dirty { "*" } else { "" }
)))
.on_hover_ui(|ui| {
ui.label("Save to disk");
})
.clicked()
{
*dirty = false;
if let TreeSelection::Asset(asset) = &self.selection {
asset.clone().save(collections);
}
changed = true;
}
});
});
egui::Frame::NONE
.inner_margin(Margin::from(3.0))
.show(ui, |ui| {
ui.set_max_width(width / 4.0 - 6.0);
ui.vertical_centered_justified(|ui| {
if ui
.add(
Button::new("Save Copy")
.wrap_mode(egui::TextWrapMode::Extend),
)
.on_hover_ui(|ui| {
ui.label("Save copy to disk");
})
.clicked()
{
*dirty = false;
if let TreeSelection::Asset(asset) = &self.selection {
asset.copy().save(collections);
}
changed = true;
}
});
});
egui::Frame::NONE
.inner_margin(Margin::from(3.0))
.show(ui, |ui| {
ui.set_max_width(width / 4.0);
ui.vertical_centered_justified(|ui| {
if ui
.add(
Button::new(format!(
"Reset{}",
if *dirty { "*" } else { "" }
))
.fill(Color32::DARK_RED),
)
.on_hover_ui(|ui| {
ui.label("Reset to state on disk");
})
.clicked()
{
*dirty = false;
if let TreeSelection::Asset(asset) = &mut self.selection {
*asset = Arc::unwrap_or_clone(
Asset::get(asset.id, collections).unwrap_or_default(),
);
}
changed = true;
}
});
});
egui::Frame::NONE
.inner_margin(Margin::from(3.0))
.show(ui, |ui| {
ui.set_max_width(width / 4.0);
ui.vertical_centered_justified(|ui| {
if ui
.add(Button::new("Delete").fill(Color32::DARK_RED))
.clicked()
{
if let TreeSelection::Asset(asset) = &self.selection {
asset.delete(collections);
}
self.selection = TreeSelection::None;
changed = true
}
});
});
});
});
changed
}
fn show_folder_editor(&mut self, ui: &mut Ui, collections: &mut Collections) {
let TreeSelection::Dir { current, new } = &mut self.selection else {
return;
};
ui.label("Name:");
let mut name = new.last().cloned().unwrap_or_default();
let res = ui
.vertical_centered_justified(|ui| ui.text_edit_singleline(&mut name))
.inner;
if res.changed() {
self.folder_dirty = true;
new.pop();
new.push(name);
}
ui.add_enabled_ui(self.folder_dirty, |ui| {
ui.vertical_centered_justified(|ui| {
if ui
.button("Save")
.on_hover_ui(|ui| {
ui.label("Save all assets in this folder with new name to disk");
})
.clicked()
{
self.folder_dirty = false;
let assets = Asset::<T>::all(collections);
for asset in assets {
if &asset.dir() == current {
let mut asset = Arc::unwrap_or_clone(asset);
asset.change_dir(new);
asset.save(collections);
}
}
for empty_dir in self.empty_dirs.iter_mut() {
if empty_dir.len() >= current.len()
&& empty_dir[..current.len()] == current[..]
{
empty_dir[..current.len()].clone_from_slice(&new[..]);
}
}
*current = new.clone();
}
});
});
}
pub fn show_asset_selection(
ui: &mut Ui,
id: Id,
collections: &mut Collections,
) -> Option<AssetId<T>> {
let mut tree = AssetTree {
only_asset_selection: true,
..Default::default()
};
tree.show(ui, id, collections);
match tree.selection {
TreeSelection::Asset(asset) => Some(asset.id),
_ => None,
}
}
}