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|
mod commit;
mod delta;
mod diff_line;
mod file_stat;
mod file_stats_builder;
mod show_commit_state;
mod status;
mod user;
mod util;
mod view_builder;
use crate::config::diff_ignore_whitespace_setting::DiffIgnoreWhitespaceSetting;
use crate::config::diff_show_whitespace_setting::DiffShowWhitespaceSetting;
use crate::config::Config;
use crate::constants::MINIMUM_FULL_WINDOW_WIDTH;
use crate::display::display_color::DisplayColor;
use crate::input::input_handler::{InputHandler, InputMode};
use crate::input::Input;
use crate::process::process_module::ProcessModule;
use crate::process::process_result::ProcessResult;
use crate::process::state::State;
use crate::process::util::handle_view_data_scroll;
use crate::show_commit::commit::{Commit, LoadCommitDiffOptions};
use crate::show_commit::show_commit_state::ShowCommitState;
use crate::show_commit::util::get_show_commit_help_lines;
use crate::show_commit::view_builder::{ViewBuilder, ViewBuilderOptions};
use crate::todo_file::TodoFile;
use crate::view::line_segment::LineSegment;
use crate::view::view_data::ViewData;
use crate::view::view_line::ViewLine;
use crate::view::View;
pub struct ShowCommit<'s> {
commit: Option<Commit>,
config: &'s Config,
show_commit_help_lines: Vec<(String, String)>,
state: ShowCommitState,
view_builder: ViewBuilder,
view_data: ViewData,
}
impl<'s> ProcessModule for ShowCommit<'s> {
fn activate(&mut self, rebase_todo: &TodoFile, _: State) -> ProcessResult {
// skip loading commit data if the currently loaded commit has not changed, this retains
// position after returning to the list view or help
if let Some(ref commit) = self.commit {
if commit.get_hash() == rebase_todo.get_selected_line().get_hash() {
return ProcessResult::new();
}
}
self.view_data.reset();
let new_commit = Commit::new_from_hash(rebase_todo.get_selected_line().get_hash(), LoadCommitDiffOptions {
context_lines: self.config.git.diff_context,
copies: self.config.git.diff_copies,
ignore_whitespace: self.config.diff_ignore_whitespace == DiffIgnoreWhitespaceSetting::All,
ignore_whitespace_change: self.config.diff_ignore_whitespace == DiffIgnoreWhitespaceSetting::Change,
interhunk_lines: self.config.git.diff_interhunk_lines,
rename_limit: self.config.git.diff_rename_limit,
renames: self.config.git.diff_renames,
});
match new_commit {
Ok(c) => {
self.commit = Some(c);
ProcessResult::new()
},
Err(e) => ProcessResult::new().error(e).state(State::List),
}
}
fn build_view_data(&mut self, view: &View<'_>, _: &TodoFile) -> &ViewData {
let (view_width, view_height) = view.get_view_size();
let commit = self.commit.as_ref().unwrap(); // will only fail on programmer error
if self.view_data.is_empty() {
let is_full_width = view_width >= MINIMUM_FULL_WINDOW_WIDTH;
self.view_data.push_leading_line(ViewLine::from(vec![
LineSegment::new_with_color(
if is_full_width { "Commit: " } else { "" },
DisplayColor::IndicatorColor,
),
LineSegment::new(
if is_full_width {
commit.get_hash().to_string()
}
else {
let hash = commit.get_hash();
let max_index = hash.len().min(8);
format!("{:8} ", hash[0..max_index].to_string())
}
.as_str(),
),
]));
match self.state {
ShowCommitState::Overview => {
self.view_builder
.build_view_data_for_overview(&mut self.view_data, commit, is_full_width);
},
ShowCommitState::Diff => {
self.view_builder
.build_view_data_diff(&mut self.view_data, commit, is_full_width)
},
}
}
self.view_data.set_view_size(view_width, view_height);
self.view_data.rebuild();
&self.view_data
}
fn handle_input(&mut self, input_handler: &InputHandler<'_>, _: &mut TodoFile, _: &View<'_>) -> ProcessResult {
let input = input_handler.get_input(InputMode::ShowCommit);
let mut result = ProcessResult::new().input(input);
if handle_view_data_scroll(input, &mut self.view_data).is_none() {
match input {
Input::ShowDiff => {
self.view_data.reset();
self.state = match self.state {
ShowCommitState::Overview => ShowCommitState::Diff,
ShowCommitState::Diff => ShowCommitState::Overview,
}
},
Input::Resize => {
self.view_data.clear();
},
Input::Help => {},
_ => {
if self.state == ShowCommitState::Diff {
self.view_data.reset();
self.state = ShowCommitState::Overview;
}
else {
self.view_data.clear();
result = result.state(State::List);
}
},
}
}
result
}
fn get_help_keybindings_descriptions(&self) -> Option<Vec<(String, String)>> {
Some(self.show_commit_help_lines.clone())
}
}
impl<'s> ShowCommit<'s> {
pub(crate) fn new(config: &'s Config) -> Self {
let mut view_data = ViewData::new();
view_data.set_show_title(true);
view_data.set_show_help(true);
let view_builder_options = ViewBuilderOptions::new(
config.diff_tab_width as usize,
config.diff_tab_symbol.as_str(),
config.diff_space_symbol.as_str(),
config.diff_show_whitespace == DiffShowWhitespaceSetting::Both
|| config.diff_show_whitespace == DiffShowWhitespaceSetting::Leading,
config.diff_show_whitespace == DiffShowWhitespaceSetting::Both
|| config.diff_show_whitespace == DiffShowWhitespaceSetting::Trailing,
);
Self {
commit: None,
config,
show_commit_help_lines: get_show_commit_help_lines(&config.key_bindings),
state: ShowCommitState::Overview,
view_builder: ViewBuilder::new(view_builder_options),
view_data,
}
}
}
|
