neovim-gtk/src/project.rs

624 lines
18 KiB
Rust
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use std::rc::Rc;
use std::cell::RefCell;
use std::path::Path;
use pango;
use gtk;
use gtk::prelude::*;
use gtk::{TreeView, ScrolledWindow, PolicyType, ListStore, TreeViewColumn, CellRendererText,
CellRendererPixbuf, CellRendererToggle, Type, Orientation, TreeModel, TreeIter, Popover};
use neovim_lib::{Neovim, NeovimApi, Value};
use nvim::ErrorReport;
use shell::Shell;
use htmlescape::encode_minimal;
const MAX_VISIBLE_ROWS: usize = 5;
const BOOKMARKED_PIXBUF: &str = "user-bookmarks";
const CURRENT_DIR_PIXBUF: &str = "folder";
const PLAIN_FILE_PIXBUF: &str = "text-x-generic";
enum ProjectViewColumns {
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Name,
Path,
Uri,
Pixbuf,
Project,
ProjectStored,
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}
const COLUMN_COUNT: usize = 6;
const COLUMN_TYPES: [Type; COLUMN_COUNT] = [
Type::String,
Type::String,
Type::String,
Type::String,
Type::Bool,
Type::Bool,
];
const COLUMN_IDS: [u32; COLUMN_COUNT] = [
ProjectViewColumns::Name as u32,
ProjectViewColumns::Path as u32,
ProjectViewColumns::Uri as u32,
ProjectViewColumns::Pixbuf as u32,
ProjectViewColumns::Project as u32,
ProjectViewColumns::ProjectStored as u32,
];
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pub struct Projects {
shell: Rc<RefCell<Shell>>,
popup: Popover,
tree: TreeView,
scroll: ScrolledWindow,
store: Option<EntryStore>,
name_renderer: CellRendererText,
path_renderer: CellRendererText,
toggle_renderer: CellRendererToggle,
}
impl Projects {
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pub fn new(ref_widget: &gtk::Button, shell: Rc<RefCell<Shell>>) -> Rc<RefCell<Projects>> {
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let projects = Projects {
shell,
popup: Popover::new(Some(ref_widget)),
tree: TreeView::new(),
scroll: ScrolledWindow::new(None, None),
store: None,
name_renderer: CellRendererText::new(),
path_renderer: CellRendererText::new(),
toggle_renderer: CellRendererToggle::new(),
};
projects.setup_tree();
projects.tree.set_activate_on_single_click(true);
projects.tree.set_hover_selection(true);
projects.tree.set_grid_lines(gtk::TreeViewGridLines::Horizontal);
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let vbox = gtk::Box::new(Orientation::Vertical, 5);
vbox.set_border_width(5);
let search_box = gtk::Entry::new();
search_box.set_icon_from_icon_name(gtk::EntryIconPosition::Primary, "edit-find-symbolic");
vbox.pack_start(&search_box, false, true, 0);
projects.scroll.set_policy(
PolicyType::Never,
PolicyType::Automatic,
);
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projects.scroll.add(&projects.tree);
projects.scroll.set_shadow_type(gtk::ShadowType::In);
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vbox.pack_start(&projects.scroll, true, true, 0);
let open_btn = gtk::Button::new_with_label("Other Documents…");
vbox.pack_start(&open_btn, true, true, 5);
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vbox.show_all();
projects.popup.add(&vbox);
let projects = Rc::new(RefCell::new(projects));
let prj_ref = projects.clone();
projects.borrow().tree.connect_size_allocate(move |_, _| {
on_treeview_allocate(prj_ref.clone())
});
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let prj_ref = projects.clone();
search_box.connect_changed(move |search_box| {
let projects = prj_ref.borrow();
let list_store = projects.get_list_store();
list_store.clear();
if let Some(ref store) = projects.store {
store.populate(&list_store, search_box.get_text().as_ref());
}
});
let prj_ref = projects.clone();
search_box.connect_activate(move |_| {
let model = prj_ref.borrow().tree.get_model().unwrap();
if let Some(iter) = model.get_iter_first() {
prj_ref.borrow().open_uri(&model, &iter);
let popup = prj_ref.borrow().popup.clone();
popup.popdown();
}
});
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let prj_ref = projects.clone();
projects.borrow().tree.connect_row_activated(
move |tree, _, column| {
// Don't activate if the user clicked the checkbox.
let toggle_column = tree.get_column(2).unwrap();
if *column == toggle_column {
return;
}
let selection = tree.get_selection();
if let Some((model, iter)) = selection.get_selected() {
prj_ref.borrow().open_uri(&model, &iter);
let popup = prj_ref.borrow().popup.clone();
popup.popdown();
}
},
);
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let prj_ref = projects.clone();
open_btn.connect_clicked(move |_| {
prj_ref.borrow().show_open_file_dlg();
let popup = prj_ref.borrow().popup.clone();
popup.popdown();
});
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let prj_ref = projects.clone();
projects.borrow().popup.connect_closed(
move |_| prj_ref.borrow_mut().clear(),
);
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let prj_ref = projects.clone();
projects.borrow().toggle_renderer.connect_toggled(
move |_, path| {
prj_ref.borrow_mut().toggle_stored(&path)
},
);
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projects
}
fn toggle_stored(&mut self, path: &gtk::TreePath) {
let list_store = self.get_list_store();
if let Some(iter) = list_store.get_iter(path) {
let value: bool = list_store
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.get_value(&iter, ProjectViewColumns::ProjectStored as i32)
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.get()
.unwrap();
list_store.set_value(
&iter,
ProjectViewColumns::ProjectStored as u32,
&ToValue::to_value(&!value),
);
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let pixbuf = if value {
CURRENT_DIR_PIXBUF
} else {
BOOKMARKED_PIXBUF
};
list_store.set_value(
&iter,
ProjectViewColumns::Pixbuf as u32,
&ToValue::to_value(pixbuf),
);
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let uri_value = list_store.get_value(&iter, ProjectViewColumns::Uri as i32);
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let uri: String = uri_value.get().unwrap();
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let store = self.store.as_mut().unwrap();
if let Some(entry) = store.find_mut(&uri) {
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entry.stored = !value;
}
store.changed();
}
}
fn open_uri(&self, model: &TreeModel, iter: &TreeIter) {
let uri: String = model
.get_value(iter, ProjectViewColumns::Uri as i32)
.get()
.unwrap();
let project: bool = model
.get_value(iter, ProjectViewColumns::Project as i32)
.get()
.unwrap();
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let shell = self.shell.borrow();
if project {
shell.cd(&uri);
}
shell.open_file(&uri);
}
fn get_list_store(&self) -> ListStore {
self.tree
.get_model()
.unwrap()
.downcast::<ListStore>()
.unwrap()
}
fn show_open_file_dlg(&self) {
let window = self.popup
.get_toplevel()
.unwrap()
.downcast::<gtk::Window>()
.ok();
let dlg = gtk::FileChooserDialog::new(
Some("Open Document"),
window.as_ref(),
gtk::FileChooserAction::Open,
);
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const OPEN_ID: i32 = 0;
const CANCEL_ID: i32 = 1;
dlg.add_buttons(&[("_Open", OPEN_ID), ("_Cancel", CANCEL_ID)]);
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if dlg.run() == OPEN_ID {
if let Some(filename) = dlg.get_filename() {
if let Some(filename) = filename.to_str() {
self.shell.borrow().open_file(filename);
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}
}
}
dlg.destroy();
}
pub fn show(&mut self) {
self.load_oldfiles();
self.popup.popup();
}
fn load_oldfiles(&mut self) {
let shell_borrow = self.shell.borrow();
let shell_state = shell_borrow.state.borrow_mut();
let nvim = shell_state.nvim();
if let Some(mut nvim) = nvim {
let store = EntryStore::load(&mut nvim);
store.populate(&self.get_list_store(), None);
self.store = Some(store);
}
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}
pub fn clear(&mut self) {
self.store.take().map(|s| s.save());
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self.get_list_store().clear();
}
fn setup_tree(&self) {
self.tree.set_model(Some(&ListStore::new(&COLUMN_TYPES)));
self.tree.set_headers_visible(false);
let image_column = TreeViewColumn::new();
let icon_renderer = CellRendererPixbuf::new();
icon_renderer.set_padding(5, 0);
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image_column.pack_start(&icon_renderer, true);
image_column.add_attribute(
&icon_renderer,
"icon-name",
ProjectViewColumns::Pixbuf as i32,
);
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self.tree.append_column(&image_column);
let text_column = TreeViewColumn::new();
self.name_renderer.set_property_width_chars(45);
self.path_renderer.set_property_width_chars(45);
self.name_renderer.set_property_ellipsize(
pango::EllipsizeMode::Middle,
);
self.path_renderer.set_property_ellipsize(
pango::EllipsizeMode::Start,
);
self.name_renderer.set_padding(0, 5);
self.path_renderer.set_padding(0, 5);
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text_column.pack_start(&self.name_renderer, true);
text_column.pack_start(&self.path_renderer, true);
text_column.add_attribute(
&self.name_renderer,
"text",
ProjectViewColumns::Name as i32,
);
text_column.add_attribute(
&self.path_renderer,
"markup",
ProjectViewColumns::Path as i32,
);
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let area = text_column
.get_area()
.unwrap()
.downcast::<gtk::CellAreaBox>()
.expect("Error build tree view");
area.set_orientation(gtk::Orientation::Vertical);
self.tree.append_column(&text_column);
let toggle_column = TreeViewColumn::new();
self.toggle_renderer.set_activatable(true);
self.toggle_renderer.set_padding(10, 0);
toggle_column.pack_start(&self.toggle_renderer, true);
toggle_column.add_attribute(
&self.toggle_renderer,
"visible",
ProjectViewColumns::Project as i32,
);
toggle_column.add_attribute(
&self.toggle_renderer,
"active",
ProjectViewColumns::ProjectStored as i32,
);
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self.tree.append_column(&toggle_column);
}
fn calc_treeview_height(&self) -> i32 {
let (_, name_renderer_natural_size) = self.name_renderer.get_preferred_height(&self.tree);
let (_, path_renderer_natural_size) = self.path_renderer.get_preferred_height(&self.tree);
let (_, ypad) = self.name_renderer.get_padding();
let row_height = name_renderer_natural_size + path_renderer_natural_size + ypad;
row_height * MAX_VISIBLE_ROWS as i32
}
}
fn on_treeview_allocate(projects: Rc<RefCell<Projects>>) {
let treeview_height = projects.borrow().calc_treeview_height();
idle_add(move || {
let prj = projects.borrow();
// strange solution to make gtk assertions happy
let previous_height = prj.scroll.get_max_content_height();
if previous_height < treeview_height {
prj.scroll.set_max_content_height(treeview_height);
prj.scroll.set_min_content_height(treeview_height);
} else if previous_height > treeview_height {
prj.scroll.set_min_content_height(treeview_height);
prj.scroll.set_max_content_height(treeview_height);
}
Continue(false)
});
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}
fn list_old_files(nvim: &mut Neovim) -> Vec<String> {
let oldfiles_var = nvim.get_vvar("oldfiles");
match oldfiles_var {
Ok(files) => {
if let Some(files) = files.as_array() {
files
.iter()
.map(Value::as_str)
.filter(Option::is_some)
.map(|path| path.unwrap().to_owned())
.filter(|path| !path.starts_with("term:"))
.collect()
} else {
vec![]
}
}
err @ Err(_) => {
err.report_err();
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vec![]
}
}
}
pub struct EntryStore {
entries: Vec<Entry>,
changed: bool,
}
impl EntryStore {
pub fn find_mut(&mut self, uri: &str) -> Option<&mut Entry> {
self.entries.iter_mut().find(|e| e.project && e.uri == uri)
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}
pub fn load(nvim: &mut Neovim) -> EntryStore {
let mut entries = Vec::new();
for project in ProjectSettings::load().projects {
entries.push(project.to_entry());
}
match nvim.call_function("getcwd", vec![]) {
Ok(pwd) => {
if let Some(pwd) = pwd.as_str() {
if entries.iter().find(|e| e.project && e.uri == pwd).is_none() {
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entries.insert(0, Entry::new_current_project(pwd));
}
} else {
error!("Error get current directory");
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}
}
err @ Err(_) => err.report_err(),
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}
let old_files = list_old_files(nvim);
entries.extend(old_files.iter().map(|p| Entry::new_from_path(p)));
EntryStore {
entries,
changed: false,
}
}
pub fn save(&self) {
if self.changed {
ProjectSettings::new(
self.entries
.iter()
.filter(|e| e.project && e.stored)
.map(|p| p.to_entry_settings())
.collect(),
).save();
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}
}
pub fn populate(&self, list_store: &ListStore, filter: Option<&String>) {
for file in &self.entries {
if match filter.map(|f| f.to_uppercase()) {
Some(ref filter) => {
file.file_name.to_uppercase().contains(filter) ||
file.path.to_uppercase().contains(filter)
}
None => true,
}
{
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list_store.insert_with_values(None, &COLUMN_IDS, &file.to_values());
}
}
}
fn changed(&mut self) {
self.changed = true;
}
}
pub struct Entry {
uri: String,
path: String,
file_name: String,
name: String,
pixbuf: &'static str,
project: bool,
stored: bool,
}
impl Entry {
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fn new_project(name: &str, uri: &str) -> Entry {
let path = Path::new(uri);
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Entry {
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uri: uri.to_owned(),
path: path.parent()
.map(|s| {
format!("<small>{}</small>", encode_minimal(&s.to_string_lossy()))
})
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.unwrap_or_else(|| "".to_owned()),
file_name: encode_minimal(name),
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name: name.to_owned(),
pixbuf: BOOKMARKED_PIXBUF,
project: true,
stored: true,
}
}
fn new_current_project(uri: &str) -> Entry {
let path = Path::new(uri);
let name = path.file_name()
.map(|f| f.to_string_lossy().as_ref().to_owned())
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.unwrap_or_else(|| path.to_string_lossy().as_ref().to_owned());
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Entry {
uri: uri.to_owned(),
path: path.parent()
.map(|s| {
format!("<small>{}</small>", encode_minimal(&s.to_string_lossy()))
})
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.unwrap_or_else(|| "".to_owned()),
file_name: encode_minimal(&name),
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name,
pixbuf: CURRENT_DIR_PIXBUF,
project: true,
stored: false,
}
}
fn new_from_path(uri: &str) -> Entry {
let path = Path::new(uri);
let name = path.file_name()
.map(|f| f.to_string_lossy().as_ref().to_owned())
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.unwrap_or_else(|| "<empty>".to_owned());
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Entry {
uri: uri.to_owned(),
path: path.parent()
.map(|s| {
format!("<small>{}</small>", encode_minimal(&s.to_string_lossy()))
})
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.unwrap_or_else(|| "".to_owned()),
file_name: encode_minimal(&name),
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name,
pixbuf: PLAIN_FILE_PIXBUF,
project: false,
stored: false,
}
}
fn to_values(&self) -> Box<[&gtk::ToValue]> {
Box::new(
[
&self.file_name,
&self.path,
&self.uri,
&self.pixbuf,
&self.project,
&self.stored,
],
)
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}
fn to_entry_settings(&self) -> ProjectEntrySettings {
ProjectEntrySettings::new(&self.name, &self.uri)
}
}
// ----- Store / Load settings
//
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use settings::SettingsLoader;
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use toml;
#[derive(Serialize, Deserialize)]
struct ProjectSettings {
projects: Vec<ProjectEntrySettings>,
}
#[derive(Serialize, Deserialize)]
struct ProjectEntrySettings {
name: String,
path: String,
}
impl ProjectEntrySettings {
fn new(name: &str, path: &str) -> ProjectEntrySettings {
ProjectEntrySettings {
name: name.to_owned(),
path: path.to_owned(),
}
}
fn to_entry(&self) -> Entry {
Entry::new_project(&self.name, &self.path)
}
}
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impl SettingsLoader for ProjectSettings {
const SETTINGS_FILE: &'static str = "projects.toml";
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fn empty() -> ProjectSettings {
ProjectSettings { projects: vec![] }
}
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fn from_str(s: &str) -> Result<Self, String> {
toml::from_str(&s).map_err(|e| format!("{}", e))
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}
}
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impl ProjectSettings {
fn new(projects: Vec<ProjectEntrySettings>) -> ProjectSettings {
ProjectSettings { projects }
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}
}