src/editor.rs doesnt exist anymore

canvas/src/editor/editing.rs

@@ -0,0 +1,348 @@
+// src/editor/editing.rs
+
+use crate::editor::FormEditor;
+use crate::DataProvider;
+
+impl<D: DataProvider> FormEditor<D> {
+    /// Open new line below (vim o)
+    pub fn open_line_below(&mut self) -> anyhow::Result<()> {
+        // paste the method body unchanged from editor.rs
+        // (exact code from your VIM COMMANDS: o and O section)
+        let field_count = self.data_provider.field_count();
+        if field_count == 0 {
+            return Ok(());
+        }
+        let next_field = (self.ui_state.current_field + 1)
+            .min(field_count.saturating_sub(1));
+        self.transition_to_field(next_field)?;
+        self.ui_state.cursor_pos = 0;
+        self.ui_state.ideal_cursor_column = 0;
+        self.enter_edit_mode();
+        Ok(())
+    }
+
+    /// Open new line above (vim O)
+    pub fn open_line_above(&mut self) -> anyhow::Result<()> {
+        let prev_field = self.ui_state.current_field.saturating_sub(1);
+        self.transition_to_field(prev_field)?;
+        self.ui_state.cursor_pos = 0;
+        self.ui_state.ideal_cursor_column = 0;
+        self.enter_edit_mode();
+        Ok(())
+    }
+
+    /// Handle character insertion (mask/limit-aware)
+    pub fn insert_char(&mut self, ch: char) -> anyhow::Result<()> {
+        // paste entire insert_char body unchanged
+        if self.ui_state.current_mode != crate::canvas::modes::AppMode::Edit
+        {
+            return Ok(());
+        }
+
+        #[cfg(feature = "validation")]
+        let field_index = self.ui_state.current_field;
+        #[cfg(feature = "validation")]
+        let raw_cursor_pos = self.ui_state.cursor_pos;
+        #[cfg(feature = "validation")]
+        let current_raw_text = self.data_provider.field_value(field_index);
+
+        #[cfg(not(feature = "validation"))]
+        let field_index = self.ui_state.current_field;
+        #[cfg(not(feature = "validation"))]
+        let raw_cursor_pos = self.ui_state.cursor_pos;
+        #[cfg(not(feature = "validation"))]
+        let current_raw_text = self.data_provider.field_value(field_index);
+
+        #[cfg(feature = "validation")]
+        {
+            if let Some(cfg) = self.ui_state.validation.get_field_config(
+                field_index,
+            ) {
+                if let Some(mask) = &cfg.display_mask {
+                    let display_cursor_pos =
+                        mask.raw_pos_to_display_pos(raw_cursor_pos);
+
+                    let pattern_char_len = mask.pattern().chars().count();
+                    if display_cursor_pos >= pattern_char_len {
+                        return Ok(());
+                    }
+
+                    if !mask.is_input_position(display_cursor_pos) {
+                        return Ok(());
+                    }
+
+                    let input_slots = (0..pattern_char_len)
+                        .filter(|&pos| mask.is_input_position(pos))
+                        .count();
+                    if current_raw_text.chars().count() >= input_slots {
+                        return Ok(());
+                    }
+                }
+            }
+        }
+
+        #[cfg(feature = "validation")]
+        {
+            let vr = self.ui_state.validation.validate_char_insertion(
+                field_index,
+                current_raw_text,
+                raw_cursor_pos,
+                ch,
+            );
+            if !vr.is_acceptable() {
+                return Ok(());
+            }
+        }
+
+        let new_raw_text = {
+            let mut temp = current_raw_text.to_string();
+            let byte_pos = Self::char_to_byte_index(
+                current_raw_text,
+                raw_cursor_pos,
+            );
+            temp.insert(byte_pos, ch);
+            temp
+        };
+
+        #[cfg(feature = "validation")]
+        {
+            if let Some(cfg) = self.ui_state.validation.get_field_config(
+                field_index,
+            ) {
+                if let Some(limits) = &cfg.character_limits {
+                    if let Some(result) = limits.validate_content(&new_raw_text)
+                    {
+                        if !result.is_acceptable() {
+                            return Ok(());
+                        }
+                    }
+                }
+                if let Some(mask) = &cfg.display_mask {
+                    let pattern_char_len = mask.pattern().chars().count();
+                    let input_slots = (0..pattern_char_len)
+                        .filter(|&pos| mask.is_input_position(pos))
+                        .count();
+                    if new_raw_text.chars().count() > input_slots {
+                        return Ok(());
+                    }
+                }
+            }
+        }
+
+        self.data_provider
+            .set_field_value(field_index, new_raw_text.clone());
+
+        #[cfg(feature = "validation")]
+        {
+            if let Some(cfg) = self.ui_state.validation.get_field_config(
+                field_index,
+            ) {
+                if let Some(mask) = &cfg.display_mask {
+                    let new_raw_pos = raw_cursor_pos + 1;
+                    let display_pos = mask.raw_pos_to_display_pos(new_raw_pos);
+                    let next_input_display =
+                        mask.next_input_position(display_pos);
+                    let next_raw_pos =
+                        mask.display_pos_to_raw_pos(next_input_display);
+                    let max_raw = new_raw_text.chars().count();
+
+                    self.ui_state.cursor_pos = next_raw_pos.min(max_raw);
+                    self.ui_state.ideal_cursor_column =
+                        self.ui_state.cursor_pos;
+                    return Ok(());
+                }
+            }
+        }
+
+        self.ui_state.cursor_pos = raw_cursor_pos + 1;
+        self.ui_state.ideal_cursor_column = self.ui_state.cursor_pos;
+        Ok(())
+    }
+
+    /// Delete backward (backspace)
+    pub fn delete_backward(&mut self) -> anyhow::Result<()> {
+        // paste entire delete_backward body unchanged
+        if self.ui_state.current_mode != crate::canvas::modes::AppMode::Edit
+        {
+            return Ok(());
+        }
+        if self.ui_state.cursor_pos == 0 {
+            return Ok(());
+        }
+
+        let field_index = self.ui_state.current_field;
+        let mut current_text =
+            self.data_provider.field_value(field_index).to_string();
+
+        let new_cursor = self.ui_state.cursor_pos.saturating_sub(1);
+
+        let start = Self::char_to_byte_index(
+            &current_text,
+            self.ui_state.cursor_pos - 1,
+        );
+        let end =
+            Self::char_to_byte_index(&current_text, self.ui_state.cursor_pos);
+        current_text.replace_range(start..end, "");
+        self.data_provider
+            .set_field_value(field_index, current_text.clone());
+
+        #[cfg(feature = "validation")]
+        let mut target_cursor = new_cursor;
+        #[cfg(not(feature = "validation"))]
+        let target_cursor = new_cursor;
+
+        #[cfg(feature = "validation")]
+        {
+            if let Some(cfg) = self.ui_state.validation.get_field_config(
+                field_index,
+            ) {
+                if let Some(mask) = &cfg.display_mask {
+                    let display_pos =
+                        mask.raw_pos_to_display_pos(new_cursor);
+                    if let Some(prev_input) =
+                        mask.prev_input_position(display_pos)
+                    {
+                        target_cursor =
+                            mask.display_pos_to_raw_pos(prev_input);
+                    }
+                }
+            }
+        }
+
+        self.ui_state.cursor_pos = target_cursor;
+        self.ui_state.ideal_cursor_column = target_cursor;
+
+        #[cfg(feature = "validation")]
+        {
+            let _ = self.ui_state.validation.validate_field_content(
+                field_index,
+                &current_text,
+            );
+        }
+
+        Ok(())
+    }
+
+    /// Delete forward (Delete key)
+    pub fn delete_forward(&mut self) -> anyhow::Result<()> {
+        // paste entire delete_forward body unchanged
+        if self.ui_state.current_mode != crate::canvas::modes::AppMode::Edit
+        {
+            return Ok(());
+        }
+
+        let field_index = self.ui_state.current_field;
+        let mut current_text =
+            self.data_provider.field_value(field_index).to_string();
+
+        if self.ui_state.cursor_pos < current_text.chars().count() {
+            let start = Self::char_to_byte_index(
+                &current_text,
+                self.ui_state.cursor_pos,
+            );
+            let end = Self::char_to_byte_index(
+                &current_text,
+                self.ui_state.cursor_pos + 1,
+            );
+            current_text.replace_range(start..end, "");
+            self.data_provider
+                .set_field_value(field_index, current_text.clone());
+
+            #[cfg(feature = "validation")]
+            let mut target_cursor = self.ui_state.cursor_pos;
+            #[cfg(not(feature = "validation"))]
+            let target_cursor = self.ui_state.cursor_pos;
+
+            #[cfg(feature = "validation")]
+            {
+                if let Some(cfg) = self.ui_state.validation.get_field_config(
+                    field_index,
+                ) {
+                    if let Some(mask) = &cfg.display_mask {
+                        let display_pos =
+                            mask.raw_pos_to_display_pos(
+                                self.ui_state.cursor_pos,
+                            );
+                        let next_input =
+                            mask.next_input_position(display_pos);
+                        target_cursor = mask
+                            .display_pos_to_raw_pos(next_input)
+                            .min(current_text.chars().count());
+                    }
+                }
+            }
+
+            self.ui_state.cursor_pos = target_cursor;
+            self.ui_state.ideal_cursor_column = target_cursor;
+
+            #[cfg(feature = "validation")]
+            {
+                let _ = self.ui_state.validation.validate_field_content(
+                    field_index,
+                    &current_text,
+                );
+            }
+        }
+
+        Ok(())
+    }
+
+    /// Enter edit mode with cursor positioned for append (vim 'a')
+    pub fn enter_append_mode(&mut self) {
+        // paste body unchanged
+        let current_text = self.current_text();
+
+        let char_len = current_text.chars().count();
+        let append_pos = if current_text.is_empty() {
+            0
+        } else {
+            (self.ui_state.cursor_pos + 1).min(char_len)
+        };
+
+        self.ui_state.cursor_pos = append_pos;
+        self.ui_state.ideal_cursor_column = append_pos;
+
+        self.set_mode(crate::canvas::modes::AppMode::Edit);
+    }
+
+    /// Set current field value (validates under feature flag)
+    pub fn set_current_field_value(&mut self, value: String) {
+        let field_index = self.ui_state.current_field;
+        self.data_provider.set_field_value(field_index, value.clone());
+        self.ui_state.cursor_pos = 0;
+        self.ui_state.ideal_cursor_column = 0;
+
+        #[cfg(feature = "validation")]
+        {
+            let _ = self
+                .ui_state
+                .validation
+                .validate_field_content(field_index, &value);
+        }
+    }
+
+    /// Set specific field value by index (validates under feature flag)
+    pub fn set_field_value(&mut self, field_index: usize, value: String) {
+        if field_index < self.data_provider.field_count() {
+            self.data_provider
+                .set_field_value(field_index, value.clone());
+            if field_index == self.ui_state.current_field {
+                self.ui_state.cursor_pos = 0;
+                self.ui_state.ideal_cursor_column = 0;
+            }
+
+            #[cfg(feature = "validation")]
+            {
+                let _ = self
+                    .ui_state
+                    .validation
+                    .validate_field_content(field_index, &value);
+            }
+        }
+    }
+
+    /// Clear the current field
+    pub fn clear_current_field(&mut self) {
+        self.set_current_field_value(String::new());
+    }
+}