init: the first public commit for AFFiNE

libs/components/board-tools/src/laser-tool/index.ts

@@ -0,0 +1 @@
+export * from './laser-tool';

libs/components/board-tools/src/laser-tool/laser-tool.ts

@@ -0,0 +1,69 @@
+import { TLPointerEventHandler } from '@tldraw/core';
+// import { Draw } from '@toeverything/components/board-shapes';
+import { Vec } from '@tldraw/vec';
+
+import { SessionType, TDShapeType } from '@toeverything/components/board-types';
+import { BaseTool } from '@toeverything/components/board-state';
+
+enum Status {
+    Idle = 'idle',
+    Pointing = 'pointing',
+    Laser = 'laser',
+}
+
+export class LaserTool extends BaseTool {
+    override type = TDShapeType.Laser as const;
+
+    override status: Status = Status.Idle;
+
+    /* ----------------- Event Handlers ----------------- */
+
+    override onPointerDown: TLPointerEventHandler = () => {
+        if (this.app.readOnly) return;
+        if (this.status !== Status.Idle) return;
+
+        this.set_status(Status.Pointing);
+    };
+
+    override onPointerMove: TLPointerEventHandler = info => {
+        if (this.app.readOnly) return;
+        switch (this.status) {
+            case Status.Pointing: {
+                if (Vec.dist(info.origin, info.point) > 3) {
+                    this.app.startSession(SessionType.Laser);
+                    this.app.updateSession();
+                    this.set_status(Status.Laser);
+                }
+                break;
+            }
+            case Status.Laser: {
+                this.app.updateSession();
+            }
+        }
+    };
+
+    override onPointerUp: TLPointerEventHandler = () => {
+        if (this.app.readOnly) return;
+        switch (this.status) {
+            case Status.Laser: {
+                this.app.completeSession();
+            }
+        }
+
+        this.set_status(Status.Idle);
+    };
+
+    override onCancel = () => {
+        if (this.status === Status.Idle) {
+            if (this.previous) {
+                this.app.selectTool(this.previous);
+            } else {
+                this.app.selectTool('select');
+            }
+        } else {
+            this.set_status(Status.Idle);
+        }
+
+        this.app.cancelSession();
+    };
+}