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@ -1,5 +1,5 @@
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use crate::graphemes;
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use crate::selection::Range;
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use crate::selection::{Range, Selection};
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use crate::state::{Direction, Granularity, Mode, State};
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use crate::transaction::{ChangeSet, Transaction};
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use crate::Tendril;
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@ -62,8 +62,55 @@ pub fn append_mode(state: &mut State, _count: usize) {
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// I inserts at the start of each line with a selection
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// A inserts at the end of each line with a selection
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// o inserts a new line before each line with a selection
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// O inserts a new line after each line with a selection
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// o inserts a new line after each line with a selection
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pub fn open_below(state: &mut State, _count: usize) {
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state.mode = Mode::Insert;
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// calculate line numbers for each selection range
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let mut lines = state
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.selection
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.ranges()
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.iter()
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.map(|range| state.doc.char_to_line(range.head))
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.collect::<Vec<_>>();
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lines.sort();
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lines.dedup();
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let positions: Vec<_> = lines
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.into_iter()
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.map(|index| {
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// adjust all positions to the end of the line.
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let line = state.doc.line(index);
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let line_start = state.doc.line_to_char(index);
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line_start + line.len_chars()
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})
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.collect();
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let changes = positions.iter().copied().map(|index|
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// generate changes
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(index, index, Some(Tendril::from_char('\n'))));
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// TODO: count actually inserts "n" new lines and starts editing on all of them.
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// TODO: append "count" newlines and modify cursors to those lines
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let selection = Selection::new(
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positions
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.iter()
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.copied()
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.map(|pos| Range::new(pos, pos))
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.collect(),
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0,
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);
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let transaction = Transaction::change(state, changes.collect()).with_selection(selection);
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transaction.apply(state);
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// TODO: need to store into history if successful
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}
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// O inserts a new line before each line with a selection
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pub fn normal_mode(state: &mut State, _count: usize) {
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// TODO: if leaving append mode, move cursor back by 1
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