first commit

src/modules/insert/insert_block.rs

@@ -0,0 +1,94 @@
+use acadrust::entities::Insert;
+use acadrust::types::Vector3;
+use acadrust::EntityType;
+use glam::Vec3;
+
+use crate::command::{CadCommand, CmdResult};
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+use crate::scene::wire_model::WireModel;
+
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "INSERT",
+        label: "Insert Block",
+        icon: IconKind::Svg(include_bytes!("../../../assets/icons/blocks/insert.svg")),
+        event: ModuleEvent::Command("INSERT".to_string()),
+    }
+}
+
+enum Step {
+    Name,
+    Point { name: String },
+}
+
+pub struct InsertBlockCommand {
+    available: Vec<String>,
+    step: Step,
+}
+
+impl InsertBlockCommand {
+    pub fn new(available: Vec<String>) -> Self {
+        Self {
+            available,
+            step: Step::Name,
+        }
+    }
+}
+
+impl CadCommand for InsertBlockCommand {
+    fn name(&self) -> &'static str {
+        "INSERT"
+    }
+
+    fn prompt(&self) -> String {
+        match &self.step {
+            Step::Name => {
+                let hint = if self.available.is_empty() {
+                    String::new()
+                } else {
+                    format!("  [{}]", self.available.join(", "))
+                };
+                format!("INSERT  Enter block name:{hint}")
+            }
+            Step::Point { name } => format!("INSERT  Specify insertion point for \"{}\":", name),
+        }
+    }
+
+    fn on_point(&mut self, pt: Vec3) -> CmdResult {
+        match &self.step {
+            Step::Name => CmdResult::NeedPoint,
+            Step::Point { name } => {
+                CmdResult::CommitAndExit(EntityType::Insert(Insert::new(
+                    name.clone(),
+                    Vector3::new(pt.x as f64, pt.y as f64, pt.z as f64),
+                )))
+            }
+        }
+    }
+
+    fn on_enter(&mut self) -> CmdResult {
+        CmdResult::Cancel
+    }
+
+    fn wants_text_input(&self) -> bool {
+        matches!(self.step, Step::Name)
+    }
+
+    fn on_text_input(&mut self, text: &str) -> Option<CmdResult> {
+        if !matches!(self.step, Step::Name) {
+            return None;
+        }
+        let name = text.trim();
+        if !self.available.iter().any(|candidate| candidate.eq_ignore_ascii_case(name)) {
+            return None;
+        }
+        self.step = Step::Point {
+            name: name.to_string(),
+        };
+        Some(CmdResult::NeedPoint)
+    }
+
+    fn on_preview_wires(&mut self, _pt: Vec3) -> Vec<WireModel> {
+        vec![]
+    }
+}