init: the first public commit for AFFiNE

2026-07-23 05:25:53 +08:00 · 2022-07-22 15:49:21 +08:00
commit e3e3741393
1451 changed files with 108124 additions and 0 deletions
@@ -0,0 +1,91 @@
+import Vec from '@tldraw/vec';
+import type { TLPointerEventHandler } from '@tldraw/core';
+import { SessionType, DEAD_ZONE } from '@toeverything/components/board-types';
+import { BaseTool } from '@toeverything/components/board-state';
+
+enum Status {
+    Idle = 'idle',
+    Pointing = 'pointing',
+    Erasing = 'erasing',
+}
+
+export class EraseTool extends BaseTool {
+    override type = 'erase' as const;
+
+    override status: Status = Status.Idle;
+
+    /* ----------------- Event Handlers ----------------- */
+
+    override onPointerDown: TLPointerEventHandler = () => {
+        if (this.status !== Status.Idle) return;
+
+        this.set_status(Status.Pointing);
+    };
+
+    override onPointerMove: TLPointerEventHandler = info => {
+        switch (this.status) {
+            case Status.Pointing: {
+                if (Vec.dist(info.origin, info.point) > DEAD_ZONE) {
+                    this.app.startSession(SessionType.Erase);
+                    this.app.updateSession();
+                    this.set_status(Status.Erasing);
+                }
+                break;
+            }
+            case Status.Erasing: {
+                this.app.updateSession();
+            }
+        }
+    };
+
+    override onPointerUp: TLPointerEventHandler = () => {
+        switch (this.status) {
+            case Status.Pointing: {
+                const shapeIdsAtPoint = this.app.shapes
+                    .filter(shape => !shape.isLocked)
+                    .filter(shape =>
+                        this.app
+                            .getShapeUtil(shape)
+                            .hitTestPoint(shape, this.app.currentPoint)
+                    )
+                    .flatMap(shape =>
+                        shape.children
+                            ? [shape.id, ...shape.children]
+                            : shape.id
+                    );
+
+                this.app.delete(shapeIdsAtPoint);
+
+                break;
+            }
+            case Status.Erasing: {
+                this.app.completeSession();
+
+                // Should the app go back to the previous state, the select
+                // state, or stay in the eraser state?
+
+                // if (this.previous) {
+                //   this.app.selectTool(this.previous)
+                // } else {
+                //   this.app.selectTool('select')
+                // }
+            }
+        }
+
+        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();
+    };
+}
@@ -0,0 +1 @@
+export * from './erase-tool';