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Code Issues Projects Releases Packages Wiki Activity Actions 9

Move pane item reordering from activate_tab to add_item_at.

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Co-authored-by: nathan@zed.dev
This commit is contained in:
K Simmons 2022-08-23 17:31:55 -07:00
parent de3acbd75b
commit 5c38021a4d
2 changed files with 65 additions and 86 deletions
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143
crates/workspace/src/pane.rs
View file

@ -21,7 +21,7 @@ use gpui::{
use project::{Project, ProjectEntryId, ProjectPath};
use serde::Deserialize;
use settings::{Autosave, Settings};
use std::{any::Any, cell::RefCell, mem, path::Path, rc::Rc};
use std::{any::Any, cell::RefCell, cmp, mem, path::Path, rc::Rc};
use util::ResultExt;
#[derive(Clone, Deserialize, PartialEq)]
@ -86,10 +86,10 @@ const MAX_NAVIGATION_HISTORY_LEN: usize = 1024;
pub fn init(cx: &mut MutableAppContext) {
cx.add_action(|pane: &mut Pane, action: &ActivateItem, cx| {
pane.activate_item(action.0, true, true, ReorderBehavior::None, cx);
pane.activate_item(action.0, true, true, cx);
});
cx.add_action(|pane: &mut Pane, _: &ActivateLastItem, cx| {
pane.activate_item(pane.items.len() - 1, true, true, ReorderBehavior::None, cx);
pane.activate_item(pane.items.len() - 1, true, true, cx);
});
cx.add_action(|pane: &mut Pane, _: &ActivatePrevItem, cx| {
pane.activate_prev_item(cx);
@ -346,7 +346,7 @@ impl Pane {
{
let prev_active_item_index = pane.active_item_index;
pane.nav_history.borrow_mut().set_mode(mode);
pane.activate_item(index, true, true, ReorderBehavior::None, cx);
pane.activate_item(index, true, true, cx);
pane.nav_history
.borrow_mut()
.set_mode(NavigationMode::Normal);
@ -433,24 +433,22 @@ impl Pane {
build_item: impl FnOnce(&mut ViewContext<Pane>) -> Box<dyn ItemHandle>,
) -> Box<dyn ItemHandle> {
let existing_item = pane.update(cx, |pane, cx| {
for (ix, item) in pane.items.iter().enumerate() {
for item in pane.items.iter() {
if item.project_path(cx).is_some()
&& item.project_entry_ids(cx).as_slice() == [project_entry_id]
{
let item = item.boxed_clone();
pane.activate_item(ix, true, focus_item, ReorderBehavior::MoveAfterActive, cx);
return Some(item);
}
}
None
});
if let Some(existing_item) = existing_item {
existing_item
} else {
let item = pane.update(cx, |_, cx| build_item(cx));
Self::add_item(workspace, pane, item.boxed_clone(), true, focus_item, cx);
item
}
// Even if the item exists, we re-add it to reorder it after the active item.
// We may revisit this behavior after adding an "activation history" for pane items.
let item = existing_item.unwrap_or_else(|| pane.update(cx, |_, cx| build_item(cx)));
Pane::add_item(workspace, pane, item.clone(), true, focus_item, cx);
item
}
pub fn add_item_at(
@ -462,53 +460,58 @@ impl Pane {
destination_index: Option<usize>,
cx: &mut ViewContext<Workspace>,
) {
// Prevent adding the same item to the pane more than once.
// If there is already an active item, reorder the desired item to be after it
// (or at the desired destination_index) and activate it.
if let Some(item_ix) = pane.read(cx).items.iter().position(|i| {
// If no destination index is specified, add or move the item after the active item.
let mut destination_index = if let Some(destination_index) = destination_index {
destination_index
} else {
let pane = pane.read(cx);
cmp::min(pane.active_item_index + 1, pane.items.len())
};
// Does the item already exist?
if let Some(existing_item_index) = pane.read(cx).items.iter().position(|i| {
i.id() == item.id() || i.project_entry_ids(cx) == item.project_entry_ids(cx)
}) {
// If the item already exists, move it to the desired destination and activate it
pane.update(cx, |pane, cx| {
pane.activate_item(
item_ix,
activate_pane,
focus_item,
ReorderBehavior::MoveAfterActive,
cx,
)
});
return;
}
if existing_item_index != destination_index {
let existing_item_is_active = existing_item_index == pane.active_item_index;
item.added_to_pane(workspace, pane.clone(), cx);
pane.update(cx, |pane, cx| {
let item_ix = if let Some(destination_index) = destination_index {
destination_index
} else {
// If there is already an active item, then insert the new item
// right after it. Otherwise, adjust the `active_item_index` field
// before activating the new item, so that in the `activate_item`
// method, we can detect that the active item is changing.
if pane.active_item_index < pane.items.len() {
pane.active_item_index + 1
} else {
let ix = pane.items.len();
pane.active_item_index = usize::MAX;
ix
pane.items.remove(existing_item_index);
if existing_item_index < destination_index {
destination_index -= 1;
}
if existing_item_index < pane.active_item_index {
pane.active_item_index -= 1;
}
pane.items.insert(destination_index, item.clone());
if existing_item_is_active {
pane.active_item_index = destination_index;
} else if destination_index <= pane.active_item_index {
pane.active_item_index += 1;
}
cx.notify();
}
};
cx.reparent(&item);
pane.items.insert(item_ix, item);
pane.activate_item(
item_ix,
activate_pane,
focus_item,
ReorderBehavior::None,
cx,
);
cx.notify();
});
pane.activate_item(destination_index, activate_pane, focus_item, cx);
});
} else {
// If the item doesn't already exist, add it and activate it
item.added_to_pane(workspace, pane.clone(), cx);
pane.update(cx, |pane, cx| {
cx.reparent(&item);
pane.items.insert(destination_index, item);
if destination_index <= pane.active_item_index {
pane.active_item_index += 1;
}
pane.activate_item(destination_index, activate_pane, focus_item, cx);
cx.notify();
});
}
}
pub(crate) fn add_item(
@ -556,35 +559,13 @@ impl Pane {
pub fn activate_item(
&mut self,
mut index: usize,
index: usize,
activate_pane: bool,
focus_item: bool,
reorder: ReorderBehavior,
cx: &mut ViewContext<Self>,
) {
use NavigationMode::{GoingBack, GoingForward};
if index < self.items.len() {
if let Some(destination_index) = match reorder {
ReorderBehavior::MoveAfterActive => Some(self.active_item_index + 1),
ReorderBehavior::MoveToIndex(destination_index) => Some(destination_index),
ReorderBehavior::None => None,
} {
// If there is already an active item, reorder the desired item to be after it
// and activate it.
if destination_index - 1 != index && destination_index <= self.items.len() {
let pane_to_activate = self.items.remove(index);
if destination_index - 1 < index {
index = destination_index;
} else if destination_index <= self.items.len() + 1 {
index = destination_index - 1;
// Index is less than active_item_index. Reordering will decrement the
// active_item_index, so adjust it accordingly
self.active_item_index = index - 1;
}
self.items.insert(index, pane_to_activate);
}
}
let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
if prev_active_item_ix != self.active_item_index
|| matches!(self.nav_history.borrow().mode, GoingBack | GoingForward)
@ -615,7 +596,7 @@ impl Pane {
} else if !self.items.is_empty() {
index = self.items.len() - 1;
}
self.activate_item(index, true, true, ReorderBehavior::None, cx);
self.activate_item(index, true, true, cx);
}
pub fn activate_next_item(&mut self, cx: &mut ViewContext<Self>) {
@ -625,7 +606,7 @@ impl Pane {
} else {
index = 0;
}
self.activate_item(index, true, true, ReorderBehavior::None, cx);
self.activate_item(index, true, true, cx);
}
pub fn close_active_item(
@ -832,7 +813,7 @@ impl Pane {
if has_conflict && can_save {
let mut answer = pane.update(cx, |pane, cx| {
pane.activate_item(item_ix, true, true, ReorderBehavior::None, cx);
pane.activate_item(item_ix, true, true, cx);
cx.prompt(
PromptLevel::Warning,
CONFLICT_MESSAGE,
@ -853,7 +834,7 @@ impl Pane {
});
let should_save = if should_prompt_for_save && !will_autosave {
let mut answer = pane.update(cx, |pane, cx| {
pane.activate_item(item_ix, true, true, ReorderBehavior::None, cx);
pane.activate_item(item_ix, true, true, cx);
cx.prompt(
PromptLevel::Warning,
DIRTY_MESSAGE,

8
crates/workspace/src/workspace.rs
View file

@ -1535,9 +1535,7 @@ impl Workspace {
.map(|ix| (pane.clone(), ix))
});
if let Some((pane, ix)) = result {
pane.update(cx, |pane, cx| {
pane.activate_item(ix, true, true, ReorderBehavior::None, cx)
});
pane.update(cx, |pane, cx| pane.activate_item(ix, true, true, cx));
true
} else {
false
@ -3006,7 +3004,7 @@ mod tests {
let close_items = workspace.update(cx, |workspace, cx| {
pane.update(cx, |pane, cx| {
pane.activate_item(1, true, true, ReorderBehavior::None, cx);
pane.activate_item(1, true, true, cx);
assert_eq!(pane.active_item().unwrap().id(), item2.id());
});
@ -3108,7 +3106,7 @@ mod tests {
workspace.add_item(Box::new(cx.add_view(|_| item.clone())), cx);
}
left_pane.update(cx, |pane, cx| {
pane.activate_item(2, true, true, ReorderBehavior::None, cx);
pane.activate_item(2, true, true, cx);
});
workspace