init: the first public commit for AFFiNE

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

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

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

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+import { Utils, TLPointerEventHandler } from '@tldraw/core';
+import Vec from '@tldraw/vec';
+import { Arrow } from '@toeverything/components/board-shapes';
+import { SessionType, TDShapeType } from '@toeverything/components/board-types';
+import { BaseTool, BaseToolStatus } from '@toeverything/components/board-state';
+
+export class LineTool extends BaseTool {
+    override type = TDShapeType.Line as const;
+
+    /* ----------------- Event Handlers ----------------- */
+
+    override onPointerDown: TLPointerEventHandler = () => {
+        if (this.status !== BaseToolStatus.Idle) return;
+
+        const {
+            currentPoint,
+            currentGrid,
+            settings: { showGrid },
+            appState: { currentPageId, currentStyle },
+            document: { id: workspace },
+        } = this.app;
+
+        const childIndex = this.getNextChildIndex();
+        const id = Utils.uniqueId();
+
+        const newShape = Arrow.create({
+            id,
+            parentId: currentPageId,
+            childIndex,
+            point: showGrid
+                ? Vec.snap(currentPoint, currentGrid)
+                : currentPoint,
+            decorations: {
+                start: undefined,
+                end: undefined,
+            },
+            style: { ...currentStyle },
+            workspace,
+        });
+
+        this.app.patchCreate([newShape]);
+
+        this.app.startSession(SessionType.Arrow, newShape.id, 'end', true);
+
+        this.set_status(BaseToolStatus.Creating);
+    };
+}