Code refactor to start working on viewer.

inventory/static/js/components/draw.js

@@ -10,8 +10,10 @@ document.addEventListener('keydown', (e) => {
 });
 
 function initGridWidget(root, opts = {}) {
+    const mode = opts.mode || 'editor';
+    const storageKey = opts.storageKey ?? 'gridDoc';
+
     const DEFAULT_DOC = { version: 1, cellSize: 25, shapes: [] };
-    const MAX_HISTORY = 100;
     const SHAPE_DEFAULTS = {
         strokeWidth: 0.12,
         strokeOpacity: 1,
@@ -19,17 +21,226 @@ function initGridWidget(root, opts = {}) {
     };
 
     const canvasEl = root.querySelector('[data-canvas]');
+    const gridEl = root.querySelector('[data-grid]');
+    const gridWrapEl = root.querySelector('[data-grid-wrap]');
+
+    if (!canvasEl || !gridEl || !gridWrapEl) {
+        throw new Error("Grid widget: missing required viewer elements.");
+    }
+
+    let doc = loadDoc();
+    let shapes = sanitizeShapes(Array.isArray(doc.shapes) ? doc.shapes : []);
+    let cellSize = Number(doc.cellSize) || 25;
+
+    let ctx;
+    let dpr = 1;
+
+    function clamp01(n, fallback = 1) {
+        const x = Number(n);
+        return Number.isFinite(x) ? Math.min(1, Math.max(0, x)) : fallback;
+    }
+
+    function isFiniteNum(n) { return Number.isFinite(Number(n)); }
+
+    function sanitizeShapes(list) {
+        const allowed = new Set(['rect', 'ellipse', 'line', 'path']);
+
+        const normStroke = (v, fallback = 0.12) => {
+            const n = Number(v);
+            if (!Number.isFinite(n)) return fallback;
+            return Math.max(0, n);
+        };
+
+        return list.flatMap((s) => {
+            if (!s || typeof s !== 'object' || !allowed.has(s.type)) return [];
+
+            const color = typeof s.color === 'string' ? s.color : '#000000';
+            const fillOpacity = clamp01(s.fillOpacity, SHAPE_DEFAULTS.fillOpacity);
+            const strokeOpacity = clamp01(s.strokeOpacity, SHAPE_DEFAULTS.strokeOpacity);
+
+            if (s.type === 'line') {
+                if (!['x1', 'y1', 'x2', 'y2'].every(k => isFiniteNum(s[k]))) return [];
+                return [{
+                    type: 'line',
+                    x1: +s.x1, y1: +s.y1, x2: +s.x2, y2: +s.y2,
+                    color,
+                    strokeWidth: normStroke(s.strokeWidth, SHAPE_DEFAULTS.strokeWidth),
+                    strokeOpacity
+                }];
+            }
+
+            if (s.type === 'path') {
+                if (!Array.isArray(s.points) || s.points.length < 2) return [];
+                const points = s.points.flatMap(p => {
+                    if (!p || !isFiniteNum(p.x) || !isFiniteNum(p.y)) return [];
+                    return [{ x: +p.x, y: +p.y }];
+                });
+                if (points.length < 2) return [];
+
+                return [{
+                    type: 'path',
+                    points,
+                    color,
+                    strokeWidth: normStroke(s.strokeWidth, SHAPE_DEFAULTS.strokeWidth),
+                    strokeOpacity
+                }];
+            }
+
+            if (!['x', 'y', 'w', 'h'].every(k => isFiniteNum(s[k]))) return [];
+            return [{
+                type: s.type,
+                x: +s.x, y: +s.y, w: +s.w, h: +s.h,
+                color,
+                fill: !!s.fill,
+                fillOpacity,
+                strokeOpacity,
+                strokeWidth: normStroke(s.strokeWidth, SHAPE_DEFAULTS.strokeWidth)
+            }];
+        });
+    }
+
+    function loadDoc() {
+        try { return JSON.parse(localStorage.getItem(storageKey)) || structuredClone(DEFAULT_DOC); }
+        catch { return structuredClone(DEFAULT_DOC); }
+    }
+
+    function saveDoc(nextDoc = doc) {
+        doc = nextDoc;
+        try { localStorage.setItem(storageKey, JSON.stringify(nextDoc)); } catch { }
+    }
+
+    function resizeAndSetupCanvas() {
+        dpr = window.devicePixelRatio || 1;
+
+        const w = gridEl.clientWidth;
+        const h = gridEl.clientHeight;
+
+        canvasEl.width = Math.round(w * dpr);
+        canvasEl.height = Math.round(h * dpr);
+
+        canvasEl.style.width = `${w}px`;
+        canvasEl.style.height = `${h}px`;
+
+        ctx = canvasEl.getContext('2d');
+        ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
+
+        redrawAll();
+    }
+
+    function clearCanvas() {
+        if (!ctx) return;
+        ctx.clearRect(0, 0, canvasEl.width / dpr, canvasEl.height / dpr);
+    }
+
+    function drawShape(shape) {
+        if (!ctx) return;
+        const toPx = (v) => v * cellSize;
+
+        ctx.save();
+        ctx.strokeStyle = shape.color || '#000000';
+        ctx.lineWidth = Math.max(1, toPx(shape.strokeWidth ?? SHAPE_DEFAULTS.strokeWidth));
+
+        if (shape.type === 'rect' || shape.type === 'ellipse') {
+            const x = toPx(shape.x);
+            const y = toPx(shape.y);
+            const w = toPx(shape.w);
+            const h = toPx(shape.h);
+
+            ctx.globalAlpha = clamp01(shape.strokeOpacity, SHAPE_DEFAULTS.strokeOpacity);
+            if (shape.type === 'rect') {
+                ctx.strokeRect(x, y, w, h);
+            } else {
+                const cx = x + w / 2;
+                const cy = y + h / 2;
+                ctx.beginPath();
+                ctx.ellipse(cx, cy, Math.abs(w / 2), Math.abs(h / 2), 0, 0, Math.PI * 2);
+                ctx.stroke();
+            }
+            ctx.globalAlpha = 1;
+
+            if (shape.fill) {
+                ctx.globalAlpha = clamp01(shape.fillOpacity, SHAPE_DEFAULTS.fillOpacity);
+                ctx.fillStyle = shape.color;
+                if (shape.type === 'rect') {
+                    ctx.fillRect(x, y, w, h);
+                } else {
+                    const cx = x + w / 2;
+                    const cy = y + h / 2;
+                    ctx.beginPath();
+                    ctx.ellipse(cx, cy, Math.abs(w / 2), Math.abs(h / 2), 0, 0, Math.PI * 2);
+                    ctx.fill()
+                }
+                ctx.globalAlpha = 1;
+            }
+
+        } else if (shape.type === 'line') {
+            const x1 = toPx(shape.x1);
+            const y1 = toPx(shape.y1);
+            const x2 = toPx(shape.x2);
+            const y2 = toPx(shape.y2);
+
+            ctx.globalAlpha = clamp01(shape.strokeOpacity, SHAPE_DEFAULTS.strokeOpacity);
+            ctx.lineJoin = 'round';
+            ctx.lineCap = 'round';
+            ctx.beginPath();
+            ctx.moveTo(x1, y1);
+            ctx.lineTo(x2, y2);
+            ctx.stroke();
+            ctx.globalAlpha = 1;
+        } else if (shape.type === 'path') {
+            const toPx = (v) => v * cellSize;
+
+            ctx.globalAlpha = clamp01(shape.strokeOpacity, SHAPE_DEFAULTS.strokeOpacity);
+
+            ctx.lineWidth = Math.max(1, toPx(shape.strokeWidth ?? SHAPE_DEFAULTS.strokeWidth));
+            ctx.lineJoin = 'round';
+            ctx.lineCap = 'round';
+
+            const pts = shape.points;
+            ctx.beginPath();
+            ctx.moveTo(toPx(pts[0].x), toPx(pts[0].y));
+            for (let i = 1; i < pts.length; i++) {
+                ctx.lineTo(toPx(pts[i].x), toPx(pts[i].y));
+            }
+            ctx.stroke();
+        }
+
+        ctx.restore();
+    }
+
+    function redrawAll() {
+        if (!ctx || !shapes) return;
+
+        clearCanvas();
+        shapes.forEach(drawShape);
+    }
+
+    function setDoc(nextDoc) {
+        const d = nextDoc && typeof nextDoc === 'object' ? nextDoc : DEFAULT_DOC;
+        cellSize = Number(d.cellSize) || 25;
+        shapes = sanitizeShapes(Array.isArray(d.shapes) ? d.shapes : []);
+        saveDoc({ version: Number(d.version) || 1, cellSize, shapes });
+        resizeAndSetupCanvas();
+    }
+
+    resizeAndSetupCanvas();
+    redrawAll();
+
+    if (mode !== 'editor') {
+        return { setDoc, redraw: redrawAll };
+    }
+
+    const MAX_HISTORY = 100;
+
     const clearEl = root.querySelector('[data-clear]');
     const colorEl = root.querySelector('[data-color]');
     const coordsEl = root.querySelector('[data-coords]');
     const dotEl = root.querySelector('[data-dot]');
     const dotSVGEl = root.querySelector('[data-dot-svg]');
     const exportEl = root.querySelector('[data-export]');
-    const gridEl = root.querySelector('[data-grid]');
     const importButtonEl = root.querySelector('[data-import-button]');
     const importEl = root.querySelector('[data-import]');
     const cellSizeEl = root.querySelector('[data-cell-size]');
-    const gridWrapEl = root.querySelector('[data-grid-wrap]');
     const toolBarEl = root.querySelector('[data-toolbar]');
     const fillOpacityEl = root.querySelector('[data-fill-opacity]');
     const strokeOpacityEl = root.querySelector('[data-stroke-opacity]');
@@ -44,10 +255,6 @@ function initGridWidget(root, opts = {}) {
     if (strokeOpacityEl && strokeValEl) bindRangeWithLabel(strokeOpacityEl, strokeValEl, v => `${parseInt(Number(v) * 100)}%`);
     if (strokeWidthEl && widthValEl) bindRangeWithLabel(strokeWidthEl, widthValEl, v => `${Math.round(Number(v) * Number(cellSizeEl.value || 0))}px`);
 
-    const storageKey = opts.storageKey ?? 'gridDoc';
-
-    let doc = loadDoc();
-    let shapes = sanitizeShapes(Array.isArray(doc.shapes) ? doc.shapes : []);
     saveDoc({ ...doc, shapes });
 
     const savedTool = localStorage.getItem(`${storageKey}:tool`);
@@ -56,12 +263,9 @@ function initGridWidget(root, opts = {}) {
     const savedType = localStorage.getItem(`${storageKey}:gridType`);
     if (savedType) setActiveType(savedType);
 
-    let cellSize = Number(doc.cellSize) || 25;
     cellSizeEl.value = cellSize;
     let dotSize = Math.floor(Math.max(cellSize * 1.25, 32));
 
-    let ctx;
-    let dpr = 1;
     let selectedColor;
     let currentFillOpacity = clamp01(fillOpacityEl?.value ?? 1, 1);
     let currentStrokeOpacity = clamp01(strokeOpacityEl?.value ?? 1, 1);
@@ -77,8 +281,6 @@ function initGridWidget(root, opts = {}) {
     const ro = new ResizeObserver(scheduleSnappedCellSize);
     ro.observe(gridWrapEl);
 
-    resizeAndSetupCanvas();
-
     setGrid();
     scheduleSnappedCellSize();
 
@@ -143,6 +345,53 @@ function initGridWidget(root, opts = {}) {
         activeGridWidget = api;
     }, { capture: true });
 
+    function setGrid() {
+        const type = getActiveType();
+
+        gridEl.style.backgroundImage = "";
+        gridEl.style.backgroundSize = "";
+        gridEl.style.backgroundPosition = "";
+        gridEl.style.boxShadow = "none";
+        dotEl.classList.add('d-none');
+
+        // Minor dots
+        const dotPx = Math.max(1, Math.round(cellSize * 0.08));
+        const minorColor = '#ddd';
+
+        // Major dots (every 5 cells)
+        const majorStep = cellSize * 5;
+        const majorDotPx = Math.max(dotPx + 1, Math.round(cellSize * 0.12));
+        const majorColor = '#c4c4c4';
+
+        const minorLayer = `radial-gradient(circle, ${minorColor} ${dotPx}px, transparent ${dotPx}px)`;
+        const majorLayer = `radial-gradient(circle, ${majorColor} ${majorDotPx}px, transparent ${majorDotPx}px)`;
+
+        if (type === 'fullGrid') {
+            gridEl.style.backgroundImage = `${majorLayer}, ${minorLayer}`;
+            gridEl.style.backgroundSize = `${majorStep}px ${majorStep}px, ${cellSize}px ${cellSize}px`;
+            gridEl.style.backgroundPosition =
+                `${majorStep / 2}px ${majorStep / 2}px, ${cellSize / 2}px ${cellSize / 2}px`;
+            gridEl.style.boxShadow = "inset 0 0 0 1px #ccc";
+
+        } else if (type === 'verticalGrid') {
+            gridEl.style.backgroundImage = `${majorLayer}, ${minorLayer}`;
+            gridEl.style.backgroundSize = `${majorStep}px 100%, ${cellSize}px 100%`;
+            gridEl.style.backgroundPosition =
+                `${majorStep / 2}px 0px, ${cellSize / 2}px 0px`;
+            gridEl.style.boxShadow = "inset 0 1px 0 0 #ccc, inset 0 -1px 0 0 #ccc";
+
+        } else if (type === 'horizontalGrid') {
+            gridEl.style.backgroundImage = `${majorLayer}, ${minorLayer}`;
+            gridEl.style.backgroundSize = `100% ${majorStep}px, 100% ${cellSize}px`;
+            gridEl.style.backgroundPosition =
+                `0px ${majorStep / 2}px, 0px ${cellSize / 2}px`;
+            gridEl.style.boxShadow = "inset 1px 0 0 0 #ccc, inset -1px 0 0 0 #ccc";
+
+        } else { // noGrid
+            gridEl.style.boxShadow = "inset 0 0 0 1px #ccc";
+        }
+    }
+
     function isInsideRect(clientX, clientY, rect) {
         return clientX >= rect.left && clientX <= rect.right &&
             clientY >= rect.top && clientY <= rect.bottom;
@@ -285,80 +534,6 @@ function initGridWidget(root, opts = {}) {
         redrawAll();
     }
 
-    function clamp01(n, fallback = 1) {
-        const x = Number(n);
-        return Number.isFinite(x) ? Math.min(1, Math.max(0, x)) : fallback;
-    }
-
-    function isFiniteNum(n) { return Number.isFinite(Number(n)); }
-
-    function sanitizeShapes(list) {
-        const allowed = new Set(['rect', 'ellipse', 'line', 'path']);
-
-        const normStroke = (v, fallback = 0.12) => {
-            const n = Number(v);
-            if (!Number.isFinite(n)) return fallback;
-            return Math.max(0, n);
-        };
-
-        return list.flatMap((s) => {
-            if (!s || typeof s !== 'object' || !allowed.has(s.type)) return [];
-
-            const color = typeof s.color === 'string' ? s.color : '#000000';
-            const fillOpacity = clamp01(s.fillOpacity, SHAPE_DEFAULTS.fillOpacity);
-            const strokeOpacity = clamp01(s.strokeOpacity, SHAPE_DEFAULTS.strokeOpacity);
-
-            if (s.type === 'line') {
-                if (!['x1', 'y1', 'x2', 'y2'].every(k => isFiniteNum(s[k]))) return [];
-                return [{
-                    type: 'line',
-                    x1: +s.x1, y1: +s.y1, x2: +s.x2, y2: +s.y2,
-                    color,
-                    strokeWidth: normStroke(s.strokeWidth, SHAPE_DEFAULTS.strokeWidth),
-                    strokeOpacity
-                }];
-            }
-
-            if (s.type === 'path') {
-                if (!Array.isArray(s.points) || s.points.length < 2) return [];
-                const points = s.points.flatMap(p => {
-                    if (!p || !isFiniteNum(p.x) || !isFiniteNum(p.y)) return [];
-                    return [{ x: +p.x, y: +p.y }];
-                });
-                if (points.length < 2) return [];
-
-                return [{
-                    type: 'path',
-                    points,
-                    color,
-                    strokeWidth: normStroke(s.strokeWidth, SHAPE_DEFAULTS.strokeWidth),
-                    strokeOpacity
-                }];
-            }
-
-            if (!['x', 'y', 'w', 'h'].every(k => isFiniteNum(s[k]))) return [];
-            return [{
-                type: s.type,
-                x: +s.x, y: +s.y, w: +s.w, h: +s.h,
-                color,
-                fill: !!s.fill,
-                fillOpacity,
-                strokeOpacity,
-                strokeWidth: normStroke(s.strokeWidth, SHAPE_DEFAULTS.strokeWidth)
-            }];
-        });
-    }
-
-    function loadDoc() {
-        try { return JSON.parse(localStorage.getItem(storageKey)) || structuredClone(DEFAULT_DOC); }
-        catch { return structuredClone(DEFAULT_DOC); }
-    }
-
-    function saveDoc(nextDoc = doc) {
-        doc = nextDoc;
-        try { localStorage.setItem(storageKey, JSON.stringify(nextDoc)); } catch { }
-    }
-
     function snapDown(n, step) {
         return Math.floor(n / step) * step;
     }
@@ -528,165 +703,6 @@ function initGridWidget(root, opts = {}) {
         };
     }
 
-    function resizeAndSetupCanvas() {
-        dpr = window.devicePixelRatio || 1;
-
-        const w = gridEl.clientWidth;
-        const h = gridEl.clientHeight;
-
-        canvasEl.width = Math.round(w * dpr);
-        canvasEl.height = Math.round(h * dpr);
-
-        canvasEl.style.width = `${w}px`;
-        canvasEl.style.height = `${h}px`;
-
-        ctx = canvasEl.getContext('2d');
-        ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
-
-        selectedColor = colorEl.value || '#000000';
-        const circle = dotSVGEl.querySelector('circle');
-        if (circle) {
-            circle.setAttribute('fill', selectedColor);
-        }
-
-        redrawAll();
-    }
-
-    function redrawAll() {
-        if (!ctx || !shapes) return;
-
-        clearCanvas();
-        shapes.forEach(drawShape);
-    }
-
-    function drawShape(shape) {
-        if (!ctx) return;
-        const toPx = (v) => v * cellSize;
-
-        ctx.save();
-        ctx.strokeStyle = shape.color || '#000000';
-        ctx.lineWidth = Math.max(1, toPx(shape.strokeWidth ?? SHAPE_DEFAULTS.strokeWidth));
-
-        if (shape.type === 'rect' || shape.type === 'ellipse') {
-            const x = toPx(shape.x);
-            const y = toPx(shape.y);
-            const w = toPx(shape.w);
-            const h = toPx(shape.h);
-
-            ctx.globalAlpha = clamp01(shape.strokeOpacity, SHAPE_DEFAULTS.strokeOpacity);
-            if (shape.type === 'rect') {
-                ctx.strokeRect(x, y, w, h);
-            } else {
-                const cx = x + w / 2;
-                const cy = y + h / 2;
-                ctx.beginPath();
-                ctx.ellipse(cx, cy, Math.abs(w / 2), Math.abs(h / 2), 0, 0, Math.PI * 2);
-                ctx.stroke();
-            }
-            ctx.globalAlpha = 1;
-
-            if (shape.fill) {
-                ctx.globalAlpha = clamp01(shape.fillOpacity, SHAPE_DEFAULTS.fillOpacity);
-                ctx.fillStyle = shape.color;
-                if (shape.type === 'rect') {
-                    ctx.fillRect(x, y, w, h);
-                } else {
-                    const cx = x + w / 2;
-                    const cy = y + h / 2;
-                    ctx.beginPath();
-                    ctx.ellipse(cx, cy, Math.abs(w / 2), Math.abs(h / 2), 0, 0, Math.PI * 2);
-                    ctx.fill()
-                }
-                ctx.globalAlpha = 1;
-            }
-
-        } else if (shape.type === 'line') {
-            const x1 = toPx(shape.x1);
-            const y1 = toPx(shape.y1);
-            const x2 = toPx(shape.x2);
-            const y2 = toPx(shape.y2);
-
-            ctx.globalAlpha = clamp01(shape.strokeOpacity, SHAPE_DEFAULTS.strokeOpacity);
-            ctx.lineJoin = 'round';
-            ctx.lineCap = 'round';
-            ctx.beginPath();
-            ctx.moveTo(x1, y1);
-            ctx.lineTo(x2, y2);
-            ctx.stroke();
-            ctx.globalAlpha = 1;
-        } else if (shape.type === 'path') {
-            const toPx = (v) => v * cellSize;
-
-            ctx.globalAlpha = clamp01(shape.strokeOpacity, SHAPE_DEFAULTS.strokeOpacity);
-
-            ctx.lineWidth = Math.max(1, toPx(shape.strokeWidth ?? SHAPE_DEFAULTS.strokeWidth));
-            ctx.lineJoin = 'round';
-            ctx.lineCap = 'round';
-
-            const pts = shape.points;
-            ctx.beginPath();
-            ctx.moveTo(toPx(pts[0].x), toPx(pts[0].y));
-            for (let i = 1; i < pts.length; i++) {
-                ctx.lineTo(toPx(pts[i].x), toPx(pts[i].y));
-            }
-            ctx.stroke();
-        }
-
-        ctx.restore();
-    }
-
-    function clearCanvas() {
-        if (!ctx) return;
-        ctx.clearRect(0, 0, canvasEl.width / dpr, canvasEl.height / dpr);
-    }
-
-    function setGrid() {
-        const type = getActiveType();
-
-        gridEl.style.backgroundImage = "";
-        gridEl.style.backgroundSize = "";
-        gridEl.style.backgroundPosition = "";
-        gridEl.style.boxShadow = "none";
-        dotEl.classList.add('d-none');
-
-        // Minor dots
-        const dotPx = Math.max(1, Math.round(cellSize * 0.08));
-        const minorColor = '#ddd';
-
-        // Major dots (every 5 cells)
-        const majorStep = cellSize * 5;
-        const majorDotPx = Math.max(dotPx + 1, Math.round(cellSize * 0.12));
-        const majorColor = '#c4c4c4';
-
-        const minorLayer = `radial-gradient(circle, ${minorColor} ${dotPx}px, transparent ${dotPx}px)`;
-        const majorLayer = `radial-gradient(circle, ${majorColor} ${majorDotPx}px, transparent ${majorDotPx}px)`;
-
-        if (type === 'fullGrid') {
-            gridEl.style.backgroundImage = `${majorLayer}, ${minorLayer}`;
-            gridEl.style.backgroundSize = `${majorStep}px ${majorStep}px, ${cellSize}px ${cellSize}px`;
-            gridEl.style.backgroundPosition =
-                `${majorStep / 2}px ${majorStep / 2}px, ${cellSize / 2}px ${cellSize / 2}px`;
-            gridEl.style.boxShadow = "inset 0 0 0 1px #ccc";
-
-        } else if (type === 'verticalGrid') {
-            gridEl.style.backgroundImage = `${majorLayer}, ${minorLayer}`;
-            gridEl.style.backgroundSize = `${majorStep}px 100%, ${cellSize}px 100%`;
-            gridEl.style.backgroundPosition =
-                `${majorStep / 2}px 0px, ${cellSize / 2}px 0px`;
-            gridEl.style.boxShadow = "inset 0 1px 0 0 #ccc, inset 0 -1px 0 0 #ccc";
-
-        } else if (type === 'horizontalGrid') {
-            gridEl.style.backgroundImage = `${majorLayer}, ${minorLayer}`;
-            gridEl.style.backgroundSize = `100% ${majorStep}px, 100% ${cellSize}px`;
-            gridEl.style.backgroundPosition =
-                `0px ${majorStep / 2}px, 0px ${cellSize / 2}px`;
-            gridEl.style.boxShadow = "inset 1px 0 0 0 #ccc, inset -1px 0 0 0 #ccc";
-
-        } else { // noGrid
-            gridEl.style.boxShadow = "inset 0 0 0 1px #ccc";
-        }
-    }
-
     function onPointerUp(e) {
         if (!currentShape) return;
 
@@ -915,7 +931,7 @@ function initGridWidget(root, opts = {}) {
         // PEN: mutate points and preview the same shape object
         if (currentShape.tool === 'pen') {
             penAddPoint(currentShape, e.clientX, e.clientY, 0.02);
-            renderAllWithPreview(currentShape, true);
+            renderAllWithPreview(currentShape, false);
             return;
         }
 
@@ -938,7 +954,7 @@ function initGridWidget(root, opts = {}) {
             preview = normalizeEllipse({ ...currentShape, x2: snapX, y2: snapY });
         }
 
-        renderAllWithPreview(preview, true);
+        renderAllWithPreview(preview, currentShape.tool !== 'pen');
     });
 
     gridEl.addEventListener('pointerleave', (e) => {

inventory/templates/components/draw.html

@@ -242,3 +242,6 @@
     </div>
 </div>
 {% endmacro %}
+
+{% macro viewWidget(uid, json) %}
+{% endmacro %}