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Ungroup layers (#465)

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* WIP handling corner cases, like ungrouping subfolders

* Resolved hanging

* Fix recursive ungrouping

* Functional, corner case free Ungroup. Small Undo issue & warnings

* Update layertree upon undo

* Also update  layerdata upon redo

* Add some polish

* Resolved TODOs

* Oops didn't save all after rename, ha.

Co-authored-by: Dennis <dennis@kobert.dev>
This commit is contained in:
Oliver Davies
2022-01-07 15:53:12 -08:00
committed by Keavon Chambers
co-authored by Dennis
parent aa9770092f
commit 8e35424c43
7 changed files with 111 additions and 35 deletions
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graphene/src/document.rs
+37 -9
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@@ -95,6 +95,15 @@ impl Document {
self.folder_mut(path)?.layer_mut(id).ok_or_else(|| DocumentError::LayerNotFound(path.into()))
}
pub fn common_layer_path_prefix<'a>(&self, layers: impl Iterator<Item = &'a [LayerId]>) -> &'a [LayerId] {
layers.reduce(|a, b| &a[..a.iter().zip(b.iter()).take_while(|&(a, b)| a == b).count()]).unwrap_or_default()
}
pub fn folders<'a>(&'a self, layers: impl Iterator<Item = &'a [LayerId]>) -> impl Iterator<Item = &'a [LayerId]> {
layers.filter(|layer| self.is_folder(layer))
}
// Returns the shallowest folder given the selection, even if the selection doesn't contain any folders
pub fn shallowest_common_folder<'a>(&self, layers: impl Iterator<Item = &'a [LayerId]>) -> Result<&'a [LayerId], DocumentError> {
let common_prefix_of_path = self.common_layer_path_prefix(layers);
@@ -104,13 +113,32 @@ impl Document {
})
}
pub fn common_layer_path_prefix<'a>(&self, layers: impl Iterator<Item = &'a [LayerId]>) -> &'a [LayerId] {
layers
.reduce(|a, b| {
let number_of_uncommon_ids_in_a = (0..a.len()).position(|i| b.starts_with(&a[..a.len() - i])).unwrap_or_default();
&a[..(a.len() - number_of_uncommon_ids_in_a)]
})
.unwrap_or_default()
// Return returns all folders that are not contained in any other of the given folders
pub fn shallowest_folders<'a>(&'a self, layers: impl Iterator<Item = &'a [LayerId]>) -> Vec<&[LayerId]> {
self.shallowest_unique_layers(self.folders(layers))
}
// Return returns all layers that are not contained in any other of the given folders
pub fn shallowest_unique_layers<'a>(&'a self, layers: impl Iterator<Item = &'a [LayerId]>) -> Vec<&[LayerId]> {
let mut sorted_layers: Vec<_> = layers.collect();
sorted_layers.sort();
// Sorting here creates groups of similar UUID paths
sorted_layers.dedup_by(|a, b| a.starts_with(b));
sorted_layers
}
// Deepest to shallowest (longest to shortest path length)
pub fn sorted_folders_by_depth<'a>(&'a self, layers: impl Iterator<Item = &'a [LayerId]>) -> Vec<&'a [LayerId]> {
let mut folders: Vec<_> = self.folders(layers).collect();
folders.sort_by_key(|a| std::cmp::Reverse(a.len()));
folders
}
pub fn folder_children_paths(&self, path: &[LayerId]) -> Vec<Vec<LayerId>> {
if let Ok(folder) = self.folder(path) {
folder.list_layers().iter().map(|f| [path, &[*f]].concat()).collect()
} else {
vec![]
}
}
pub fn is_folder(&self, path: &[LayerId]) -> bool {
@@ -457,7 +485,7 @@ impl Document {
};
self.delete(path)?;
let (folder, _) = split_path(path.as_slice()).unwrap_or_else(|_| (&[], 0));
let (folder, _) = split_path(path.as_slice()).unwrap_or((&[], 0));
responses.extend([DocumentChanged, DeletedLayer { path: path.clone() }, FolderChanged { path: folder.to_vec() }]);
responses.extend(update_thumbnails_upstream(folder));
Some(responses)
@@ -494,7 +522,7 @@ impl Document {
}
Operation::DuplicateLayer { path } => {
let layer = self.layer(path)?.clone();
let (folder_path, _) = split_path(path.as_slice()).unwrap_or_else(|_| (&[], 0));
let (folder_path, _) = split_path(path.as_slice()).unwrap_or((&[], 0));
let folder = self.folder_mut(folder_path)?;
if let Some(new_layer_id) = folder.add_layer(layer, None, -1) {
let new_path = [folder_path, &[new_layer_id]].concat();