468 lines
16 KiB
Rust
468 lines
16 KiB
Rust
use {
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r3vi::{
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view::{port::UpdateTask, OuterViewPort, singleton::*, sequence::*},
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buffer::{singleton::*, vec::*}
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},
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crate::{
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type_system::{Context, TypeTerm, ReprTree},
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editors::list::{ListCursor, ListCursorMode, ListCmd, PTYListController, PTYListStyle},
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tree::{NestedNode, TreeNav, TreeCursor},
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diagnostics::Diagnostics
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},
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std::sync::{Arc, RwLock}
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};
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//<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>
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pub struct ListEditor {
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pub(super) cursor: SingletonBuffer<ListCursor>,
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pub data: VecBuffer< Arc<RwLock<NestedNode>> >,
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pub(super) addr_port: OuterViewPort<dyn SequenceView<Item = isize>>,
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pub(super) mode_port: OuterViewPort<dyn SingletonView<Item = ListCursorMode>>,
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pub(crate) ctx: Arc<RwLock<Context>>,
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/// item type
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pub(super) typ: TypeTerm,
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}
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impl ListEditor {
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pub fn init_ctx(ctx: &Arc<RwLock<Context>>) {
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let mut ctx = ctx.write().unwrap();
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ctx.add_list_typename("ListCmd".into());
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ctx.add_list_typename("List".into());
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ctx.add_node_ctor(
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"List", Arc::new(
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|ctx: Arc<RwLock<Context>>, ty: TypeTerm, depth: usize| {
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match ty {
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TypeTerm::App(args) => {
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if args.len() > 1 {
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let typ = args[1].clone();
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let mut node = ListEditor::new(ctx.clone(), typ).into_node(depth);
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PTYListController::for_node( &mut node, Some(','), Some('}') );
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PTYListStyle::for_node( &mut node, ("{",", ","}") );
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Some(node)
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} else {
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None
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}
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}
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_ => None
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}
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}
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)
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);
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}
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pub fn new(
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ctx: Arc<RwLock<Context>>,
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typ: TypeTerm,
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) -> Self {
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let cursor = SingletonBuffer::new(ListCursor::default());
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let data = VecBuffer::<Arc<RwLock<NestedNode>>>::new();
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ListEditor {
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mode_port: cursor
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.get_port()
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.map({
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let data = data.clone();
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move |c| {
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let ip = SingletonBuffer::new(c.mode).get_port();
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match c.mode {
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ListCursorMode::Insert => ip,
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ListCursorMode::Select => {
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if let Some(idx) = c.idx {
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data.get(idx as usize).read().unwrap().get_mode_view()
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} else {
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ip
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}
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}
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}
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}
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})
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.flatten(),
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addr_port: VecBuffer::<OuterViewPort<dyn SequenceView<Item = isize>>>::with_data(
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vec![
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cursor.get_port()
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.to_sequence()
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.filter_map(|cur| cur.idx),
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cursor.get_port()
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.map({
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let data = data.clone();
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move |cur| {
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if cur.mode == ListCursorMode::Select {
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if let Some(idx) = cur.idx {
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if idx >= 0 && idx < data.len() as isize {
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return data.get(idx as usize).read().unwrap().get_addr_view();
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}
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}
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}
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OuterViewPort::default()
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}
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})
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.to_sequence()
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.flatten()
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])
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.get_port()
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.to_sequence()
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.flatten(),
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cursor,
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data,
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ctx,
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typ,
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}
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}
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pub fn into_node(self, depth: usize) -> NestedNode {
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let data = self.get_data();
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let ctx = self.ctx.clone();
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let editor = Arc::new(RwLock::new(self));
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let e = editor.read().unwrap();
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NestedNode::new(ctx, data, depth)
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.set_editor(editor.clone())
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.set_nav(editor.clone())
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.set_cmd(editor.clone())
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.set_diag(e
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.get_data_port()
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.enumerate()
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.map(
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|(idx, item_editor)| {
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let idx = *idx;
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item_editor
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.get_msg_port()
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.map(
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move |msg| {
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let mut msg = msg.clone();
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msg.addr.insert(0, idx);
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msg
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}
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)
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}
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)
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.flatten()
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)
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}
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pub fn get_item_type(&self) -> TypeTerm {
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self.typ.clone()
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}
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pub fn get_seq_type(&self) -> TypeTerm {
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TypeTerm::App(vec![
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TypeTerm::TypeID(self.ctx.read().unwrap().get_typeid("List").unwrap()),
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self.get_item_type().into()
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])
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}
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pub fn get_cursor_port(&self) -> OuterViewPort<dyn SingletonView<Item = ListCursor>> {
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self.cursor.get_port()
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}
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pub fn get_data_port(&self) -> OuterViewPort<dyn SequenceView<Item = NestedNode>> {
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self.data.get_port().to_sequence().map(
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|x| x.read().unwrap().clone()
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)
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}
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pub fn get_data(&self) -> Arc<RwLock<ReprTree>> {
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let data_view = self.get_data_port();
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ReprTree::new_leaf(
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self.get_seq_type(),
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data_view.into()
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)
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}
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pub fn get_item(&self) -> Option<NestedNode> {
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if let Some(idx) = self.cursor.get().idx {
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let idx = crate::utils::modulo(idx as isize, self.data.len() as isize) as usize;
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if idx < self.data.len() {
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Some(self.data.get(idx).read().unwrap().clone())
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} else {
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None
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}
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} else {
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None
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}
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}
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pub fn get_item_mut(&mut self) -> Option<MutableVecAccess<Arc<RwLock<NestedNode>>>> {
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if let Some(idx) = self.cursor.get().idx {
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let idx = crate::utils::modulo(idx as isize, self.data.len() as isize) as usize;
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if idx < self.data.len() {
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Some(self.data.get_mut(idx))
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} else {
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None
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}
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} else {
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None
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}
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}
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pub fn is_listlist(&self) -> bool {
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self.ctx.read().unwrap().is_list_type(&self.typ)
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}
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/// delete all items
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pub fn clear(&mut self) {
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self.data.clear();
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self.cursor.set(ListCursor::home());
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}
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/// delete item before the cursor
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pub fn delete_pxev(&mut self) {
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let mut cur = self.cursor.get();
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if let Some(idx) = cur.idx {
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if idx > 0 && idx <= self.data.len() as isize {
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cur.idx = Some(idx as isize - 1);
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self.cursor.set(cur);
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self.data.remove(idx as usize - 1);
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}
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}
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}
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/// delete item after the cursor
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pub fn delete_nexd(&mut self) {
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if let Some(idx) = self.cursor.get().idx {
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if idx < self.data.len() as isize {
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self.data.remove(idx as usize);
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}
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}
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}
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/// insert a new element
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pub fn insert(&mut self, item: Arc<RwLock<NestedNode>>) {
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let mut cur = self.cursor.get();
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if let Some(idx) = cur.idx {
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match cur.mode {
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ListCursorMode::Insert => {
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self.data.insert(idx as usize, item.clone());
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if self.is_listlist() {
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cur.mode = ListCursorMode::Select;
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} else {
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cur.idx = Some(idx + 1);
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}
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}
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ListCursorMode::Select => {
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self.data.insert(1 + idx as usize, item.clone());
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if self.is_listlist() {
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cur.idx = Some(idx + 1);
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}
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}
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}
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self.cursor.set(cur);
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} else {
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//eprintln!("insert: no cursor");
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}
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}
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/// split the list off at the current cursor position and return the second half
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pub fn split(&mut self, le_node: &mut NestedNode) {
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let cur = self.cursor.get();
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if let Some(idx) = cur.idx {
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let idx = idx as usize;
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le_node.goto(TreeCursor::home());
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for _ in idx .. self.data.len() {
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eprintln!("send items to new tail");
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le_node.cmd.get().unwrap().write().unwrap().send_cmd_obj(
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self.data.get(idx).read().unwrap().data.clone()
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/*
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ReprTree::new_leaf(
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self.ctx.read().unwrap().type_term_from_str("( NestedNode )").unwrap(),
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SingletonBuffer::<NestedNode>::new( self.data.get(idx).clone().read().unwrap().clone() ).get_port().into()
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)
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*/
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);
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self.data.remove(idx);
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}
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le_node.goto(TreeCursor::none());
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if self.is_listlist() {
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if idx > 0 && idx < self.data.len()+1 {
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let prev_idx = idx - 1; // get last element before cursor (we are in insert mode)
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let prev_node = self.data.get(prev_idx);
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let prev_node = prev_node.read().unwrap();
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if let Some(prev_editor) = prev_node.editor.get() {
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let prev_editor = prev_editor.downcast::<RwLock<ListEditor>>().unwrap();
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let prev_editor = prev_editor.write().unwrap();
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prev_editor.get_data_port().0.update();
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if prev_editor.get_data_port().get_view().unwrap().iter()
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.filter_map(|x| x.get_data_view::<dyn SingletonView<Item = Option<char>>>(vec![].into_iter())?.get()).count() == 0
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{
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drop(prev_editor);
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self.data.remove(prev_idx);
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}
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}
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}
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}
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}
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}
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/// append data of other editor at the end and set cursor accordingly
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pub fn join(&mut self, other: &ListEditor) {
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let selfcur = self.cursor.get();
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let othercur = other.cursor.get();
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let is_bottom = self.get_cursor().tree_addr.len() == 1 ||
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other.get_cursor().tree_addr.len() == 1;
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let is_insert =
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selfcur.mode == ListCursorMode::Insert
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|| othercur.mode == ListCursorMode::Insert;
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let is_primary = self.get_cursor().tree_addr.len() > 1;
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self.cursor.set(ListCursor {
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mode: if is_insert && is_bottom {
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ListCursorMode::Insert
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} else {
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ListCursorMode::Select
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},
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idx: Some(self.data.len() as isize -
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if is_primary {
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1
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} else {
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0
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}
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)
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});
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for i in 0 .. other.data.len() {
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self.data.push(other.data.get(i));
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}
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}
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pub fn listlist_split(&mut self) {
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let cur = self.get_cursor();
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if let Some(item) = self.get_item() {
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// let item = item.read().unwrap();
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let depth = item.depth;
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if let Some(head_editor) = item.editor.get() {
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eprintln!("listlistsplit:editor = {:?}", Arc::into_raw(head_editor.clone()));
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let head = head_editor.downcast::<RwLock<ListEditor>>().unwrap();
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let mut head = head.write().unwrap();
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let mut tail_node = Context::make_node(&self.ctx, self.typ.clone(), 0).unwrap();
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if head.data.len() > 0 {
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if cur.tree_addr.len() > 2 {
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eprintln!("call child head listlist split");
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head.listlist_split();
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eprintln!("return");
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}
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/*
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TODO: replace this by: (does not require ListEditor downcast)
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head.send_cmd_obj(ListCmd::Split.into_repr());
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tail_node = head.spill_buf.clone();
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*/
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head.split( &mut tail_node );
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}
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head.goto(TreeCursor::none());
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drop(head);
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tail_node.goto(
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TreeCursor {
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tree_addr: vec![0],
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leaf_mode: if cur.tree_addr.len() > 2 {
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ListCursorMode::Select
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} else {
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ListCursorMode::Insert
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}
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}
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);
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self.insert(
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Arc::new(RwLock::new(tail_node))
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);
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eprintln!("made insert");
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}
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}
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}
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pub fn listlist_join_pxev(&mut self, idx: isize, item: &NestedNode) {
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{
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let prev_editor = self.data.get_mut(idx as usize-1);
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let prev_editor = prev_editor.read().unwrap();
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if let Some(prev_editor) = prev_editor.editor.get() {
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if let Ok(prev_editor) = prev_editor.downcast::<RwLock<ListEditor>>() {
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let mut prev_editor = prev_editor.write().unwrap();
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let cur_editor = item.editor.get().unwrap();
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let cur_editor = cur_editor.downcast::<RwLock<ListEditor>>().unwrap();
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let cur_editor = cur_editor.write().unwrap();
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prev_editor.join(&cur_editor);
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self.cursor.set(
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ListCursor {
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idx: Some(idx - 1), mode: ListCursorMode::Select
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}
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);
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}
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}
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}
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self.data.remove(idx as usize);
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}
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pub fn listlist_join_nexd(&mut self, next_idx: usize, item: &NestedNode) {
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{
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let next_editor = self.data.get(next_idx);
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let next_editor = next_editor.read().unwrap();
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if let Some(next_editor) = next_editor.editor.get() {
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if let Ok(next_editor) = next_editor.downcast::<RwLock<ListEditor>>() {
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let mut next_editor = next_editor.write().unwrap();
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let cur_editor = item.editor.get().unwrap();
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let cur_editor = cur_editor.downcast::<RwLock<ListEditor>>().unwrap();
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let mut cur_editor = cur_editor.write().unwrap();
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cur_editor.join(&next_editor);
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}
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}
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}
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self.data.remove(next_idx);
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}
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}
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/*
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use crate::{
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type_system::TypeLadder,
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tree::{TreeType, TreeAddr}
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};
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impl TreeType for ListEditor {
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fn get_type(&self, addr: &TreeAddr) -> TypeLadder {
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let idx = crate::utils::modulo::modulo(addr.0[0] as isize, self.data.len() as isize) as usize;
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let mut addr = addr.clone();
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if self.data.len() > 0 {
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addr.0.remove(0);
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self.data.get(idx).get_type(addr)
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} else {
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vec![]
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}
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}
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}
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*/
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