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|
//! utility functions to help handle the `:focus` internal
use {
super::*,
crate::{
app::*,
browser::BrowserState,
command::TriggerType,
display::Screen,
path::{self, PathAnchor},
preview::PreviewState,
task_sync::Dam,
tree::TreeOptions,
},
std::path::{Path, PathBuf},
};
pub fn on_path(
path: PathBuf,
screen: Screen,
tree_options: TreeOptions,
in_new_panel: bool,
con: &AppContext,
) -> CmdResult {
if in_new_panel {
new_panel_on_path(
path,
screen,
tree_options,
PanelPurpose::None,
con,
HDir::Right,
)
} else {
new_state_on_path(path, screen, tree_options, con)
}
}
pub fn new_state_on_path(
path: PathBuf,
screen: Screen,
tree_options: TreeOptions,
con: &AppContext,
) -> CmdResult {
let path = path::closest_dir(&path);
CmdResult::from_optional_state(
BrowserState::new(path, tree_options, screen, con, &Dam::unlimited()),
false,
)
}
pub fn new_panel_on_path(
path: PathBuf,
screen: Screen,
tree_options: TreeOptions,
purpose: PanelPurpose,
con: &AppContext,
direction: HDir,
) -> CmdResult {
if purpose.is_preview() {
let pattern = tree_options.pattern.tree_to_preview();
CmdResult::NewPanel {
state: Box::new(PreviewState::new(path, pattern, None, tree_options, con)),
purpose,
direction,
}
} else {
let path = path::closest_dir(&path);
match BrowserState::new(path, tree_options, screen, con, &Dam::unlimited()) {
Ok(os) => CmdResult::NewPanel {
state: Box::new(os),
purpose,
direction,
},
Err(e) => CmdResult::DisplayError(e.to_string()),
}
}
}
/// Compute the path to go to in case of the internal being triggered from
/// the input.
///
/// This path depends on the verb (which may hardcore the path or have a
/// pattern), from the selection,
fn path_from_input(
verb: &Verb,
internal_exec: &InternalExecution,
base_path: &Path, // either the selected path or the root path
input_arg: Option<&String>,
app_state: &AppState,
) -> PathBuf {
match (input_arg, internal_exec.arg.as_ref()) {
(Some(input_arg), Some(verb_arg)) => {
// The verb probably defines some patttern which uses the input.
// For example:
// {
// invocation: "gotar {path}"
// execution: ":focus {path}/target"
// }
// (or that input is useless)
let path_builder = ExecutionStringBuilder::with_invocation(
&verb.invocation_parser,
SelInfo::from_path(base_path),
app_state,
Some(input_arg),
);
path_builder.path(verb_arg)
}
(Some(input_arg), None) => {
// the verb defines nothing
// The :focus internal execution was triggered from the
// input (which must be a kind of alias for :focus)
// so we do exactly what the input asks for
path::path_from(base_path, PathAnchor::Unspecified, input_arg)
}
(None, Some(verb_arg)) => {
// the verb defines the path where to go..
// the internal_execution specifies the path to use
// (it may come from a configured verb whose execution is
// `:focus some/path`).
// The given path may be relative hence the need for the
// state's selection
// (we assume a check before ensured it doesn't need an input)
path::path_from(base_path, PathAnchor::Unspecified, verb_arg)
}
(None, None) => {
// user only wants to open the selected path, either in the same panel or
// in a new one
base_path.to_path_buf()
}
}
}
pub fn get_status_markdown(
verb: &Verb,
internal_exec: &InternalExecution,
sel_info: SelInfo<'_>,
invocation: &VerbInvocation,
app_state: &AppState,
) -> String {
let base_path = sel_info
.one_path()
.unwrap_or(&app_state.root);
let path = path_from_input(
verb,
internal_exec,
base_path,
invocation.args.as_ref(),
app_state,
);
format!("Hit *enter* to focus `{}`", path.to_string_lossy())
}
/// general implementation for verbs based on the :focus internal with optionally
/// a bang or an argument.
pub fn on_internal(
internal_exec: &InternalExecution,
input_invocation: Option<&VerbInvocation>,
trigger_type: TriggerType,
selected_path: &Path,
tree_options: TreeOptions,
app_state: & AppState,
cc: &CmdContext,
) -> CmdResult {
let con = &cc.app.con;
let screen = cc.app.screen;
info!(
"internal_focus.on_internal internal_exec={:?} input_invocation={:?} trygger_type={:?}",
internal_exec,
input_invocation,
trigger_type,
);
let bang = input_invocation
.map(|inv| inv.bang)
.unwrap_or(internal_exec.bang);
let input_arg = input_invocation.as_ref()
.and_then(|invocation| invocation.args.as_ref());
match trigger_type {
TriggerType::Input(verb) => {
let path = path_from_input(
verb,
internal_exec,
selected_path,
input_arg,
app_state,
);
on_path(path, screen, tree_options, bang, con)
}
_ => {
// the :focus internal was triggered by a key
if let Some(arg) = &internal_exec.arg {
// the internal_execution specifies the path to use
// (it may come from a configured verb whose execution is
// `:focus some/path`).
// The given path may be relative hence the need for the
// state's selection
let path = path::path_from(selected_path, PathAnchor::Unspecified, arg);
let bang = input_invocation
.map(|inv| inv.bang)
.unwrap_or(internal_exec.bang);
on_path(path, screen, tree_options, bang, con)
} else if let Some(input_arg) = input_arg {
// the :focus internal was triggered by a key, and without internal arg,
// which means the user wants to explore the arg with purpose
// of selecting a path
let base_dir = selected_path.to_string_lossy();
let path = path::path_from(&*base_dir, PathAnchor::Unspecified, input_arg);
let arg_type = SelectionType::Any; // We might do better later
let purpose = PanelPurpose::ArgEdition { arg_type };
new_panel_on_path(path, screen, tree_options, purpose, con, HDir::Right)
} else {
// user only wants to open the selected path, either in the same panel or
// in a new one
on_path(selected_path.to_path_buf(), screen, tree_options, bang, con)
}
}
}
}
|
