finish #26

src/app/logic/calc.rs

@@ -7,10 +7,13 @@ use std::{
 
 use evalexpr::*;
 
-use crate::app::{logic::{
+use crate::app::{
+    logic::{
         cell::{CSV_DELIMITER, CellType},
         ctx,
-}, mode::Mode};
+    },
+    mode::Mode,
+};
 
 #[cfg(test)]
 use crate::app::app::App;
@@ -234,8 +237,28 @@ impl Grid {
         self.mv_cursor_to(x, y);
     }
 
-    pub fn insert_row_above(&mut self, (x, y): (usize, usize)) {todo!()}
-    pub fn insert_row_below(&mut self, (x, y): (usize, usize)) {todo!()}
+    pub fn insert_row_above(&mut self, (_x, insertion_y): (usize, usize)) {
+        for x in 0..LEN {
+            self.cells[x].insert(insertion_y, None);
+            self.cells[x].pop();
+            for y in 0..LEN {
+                if let Some(cell) = self.get_cell_raw(x, y).as_ref().map(|f| {
+                    f.custom_translate_cell((0, 0), (0, 1), |rolling, old, new| {
+                        if let Some((_, arg_y)) = Grid::parse_to_idx(old) {
+                            if arg_y < insertion_y { rolling.to_owned() } else { rolling.replace(old, new)  }
+                        } else {
+                            unimplemented!("Invalid variable wanted to be translated")
+                        }
+                    }
+                    )}) {
+                    self.set_cell_raw((x,y), Some(cell));
+                } 
+            }
+        }
+    }
+    pub fn insert_row_below(&mut self, (x, y): (usize, usize)) {
+        self.insert_row_above((x,y+1));
+    }
     pub fn insert_column_before(&mut self, (insertion_x, _y): (usize, usize)) {
         let mut v = Vec::with_capacity(LEN);
         for _ in 0..LEN {
@@ -246,29 +269,23 @@ impl Grid {
         self.cells.pop();
         for x in 0..LEN {
             for y in 0..LEN {
-                if let Some(cell) = self
-                    .get_cell_raw(x, y)
-                    .as_ref()
-                    .map(|f| f
-                        .custom_translate_cell((0,0), (1,0), |rolling, old, new| {
+                if let Some(cell) = self.get_cell_raw(x, y).as_ref().map(|f| {
+                    f.custom_translate_cell((0, 0), (1, 0), |rolling, old, new| {
                         if let Some((arg_x, _)) = Grid::parse_to_idx(old) {
                             // add 1 because of the insertion
-                                if arg_x < insertion_x {
-                                    rolling.to_owned()
-                                } else {
-                                    rolling.replace(old, new)
-                                }
+                            if arg_x < insertion_x { rolling.to_owned() } else { rolling.replace(old, new) }
                         } else {
                             unimplemented!("Invalid variable wanted to be translated")
                         }
-                        })) {
-                    self.set_cell_raw((x,y), Some(cell));
+                    })
+                }) {
+                    self.set_cell_raw((x, y), Some(cell));
                 }
             }
         }
     }
     pub fn insert_column_after(&mut self, (x, y): (usize, usize)) {
-        self.insert_column_before((x+1,y));
+        self.insert_column_before((x + 1, y));
     }
     /// Iterate over the entire grid and see where
     /// the farthest modified cell is.
@@ -851,3 +868,66 @@ fn insert_col_before_3() {
     let cell = grid.get_cell("C0").as_ref().expect("Just set it");
     assert_eq!(cell.to_string(), "=B0*B1");
 }
+
+#[test]
+fn insert_row_above_1() {
+    let mut grid = Grid::new();
+
+    grid.set_cell("A1", 2.);
+    grid.set_cell("A0", "=A1*2".to_string());
+    grid.set_cell("B0", "=A0".to_string());
+
+    // shift half down
+    grid.mv_cursor_to(0, 1);
+    grid.insert_row_above(grid.cursor());
+
+    // cell didn't get translated
+    let cell = grid.get_cell("A0").as_ref().expect("Just set it");
+    assert_eq!(cell.to_string(), "=A2*2");
+
+    // cell referencing another cell on the same side of the insertion
+    let cell = grid.get_cell("B0").as_ref().expect("Just set it");
+    assert_eq!(cell.to_string(), "=A0");
+}
+
+#[test]
+fn insert_row_above_2() {
+    let mut grid = Grid::new();
+
+    grid.set_cell("A1", 2.);
+    grid.set_cell("A0", "=A1*2".to_string());
+    grid.set_cell("B0", "=A0".to_string());
+
+    // shift nothing down
+    grid.mv_cursor_to(0, 2);
+    grid.insert_row_above(grid.cursor());
+
+    // cell didn't get translated
+    let cell = grid.get_cell("A0").as_ref().expect("Just set it");
+    assert_eq!(cell.to_string(), "=A1*2");
+
+    // cell referencing another cell on the same side of the insertion
+    let cell = grid.get_cell("B0").as_ref().expect("Just set it");
+    assert_eq!(cell.to_string(), "=A0");
+}
+
+#[test]
+fn insert_row_above_3() {
+    let mut grid = Grid::new();
+
+    grid.set_cell("A1", 2.);
+    grid.set_cell("A0", "=A1*2".to_string());
+    grid.set_cell("B0", "=A0".to_string());
+
+    // shift everything down
+    grid.mv_cursor_to(0, 0);
+    grid.insert_row_above(grid.cursor());
+
+    // cell didn't get translated
+    let cell = grid.get_cell("A1").as_ref().expect("Just set it");
+    assert_eq!(cell.to_string(), "=A2*2");
+
+    // cell referencing another cell on the same side of the insertion
+    let cell = grid.get_cell("B1").as_ref().expect("Just set it");
+    assert_eq!(cell.to_string(), "=A1");
+}

src/app/mode.rs

@@ -168,8 +168,14 @@ impl Mode {
                     'A' => {
                         app.grid.insert_column_after(app.grid.cursor());
                     }
-                    'o' => { /* insert row below */ }
-                    'O' => { /* insert row above */ }
+                    // insert row below
+                    'o' => {
+                        app.grid.insert_row_below(app.grid.cursor());
+                    }
+                    // insert row above
+                    'O' => {
+                        app.grid.insert_row_above(app.grid.cursor());
+                    }
                     'v' => app.mode = Mode::Visual(app.grid.cursor()),
                     ':' => app.mode = Mode::Command(Chord::new(':')),
                     'p' => {