diff --git a/mock/fixtures.ts b/mock/fixtures.ts
index 02aec0b..4e1c89c 100644
--- a/mock/fixtures.ts
+++ b/mock/fixtures.ts
@@ -191,9 +191,11 @@ export function render(g: Graph, id: string): string {
const attrs = `data-cms="${n.id}" data-cms-type="${n.dataType}"`
switch (n.dataType) {
case 'section':
+ // The schema declares a `sidebar` connection, so the template marks the zone
+ // (empty when nothing is slotted) the way a real template would.
return `${
n.data.title ? `${esc(n.data.title)}
` : ''
- }\n${kids()}\n`
+ }\n${kids()}\n
\n`
case 'heading': {
const l = n.data.level ?? 2
return `${esc(n.data.text)}`
diff --git a/src/controller.ts b/src/controller.ts
index 1c5ebb1..1d7c5bd 100644
--- a/src/controller.ts
+++ b/src/controller.ts
@@ -268,14 +268,18 @@ export class Controller {
})
}
- /** Live slot rects for the drag engine (measured per move like blocks). */
- private slotRects(): DndSlot[] {
- return this.slots.flatMap((s) => {
- if (!s.el.isConnected) return []
- const r = s.el.getBoundingClientRect()
- return [{ handle: s.handle, parentId: s.parentId, rect: { x: r.x, y: r.y, w: r.width, h: r.height }, kids: s.kids }]
- })
- }
+ /** Live slot rects for the drag engine (measured per move like blocks). */ private slotRects(): DndSlot[] {
+ return this.slots.flatMap((s) => {
+ if (!s.el.isConnected) return []
+ const r = s.el.getBoundingClientRect()
+ return [{ handle: s.handle, parentId: s.parentId, rect: { x: r.x, y: r.y, w: r.width, h: r.height }, kids: s.kids }]
+ })
+ }
+
+ /** Tagged slot zones from the last scan. Elements stay live; measure their rects per use. */
+ slotZones(): Array<{ handle: string; parentId: string; el: HTMLElement }> {
+ return this.slots.filter((s) => s.el.isConnected).map(({ handle, parentId, el }) => ({ handle, parentId, el }))
+ }
block(id: string | null | undefined): Block | undefined {
return id ? this.store.get().blocks.find((b) => b.id === id) : undefined
diff --git a/src/ui/Overlay.tsx b/src/ui/Overlay.tsx
index dcb9a11..c813436 100644
--- a/src/ui/Overlay.tsx
+++ b/src/ui/Overlay.tsx
@@ -1,4 +1,4 @@
-import { createElement, useEffect, useRef, useState } from 'react'
+import { createElement, useEffect, useMemo, useRef, useState } from 'react'
import type { Block, Controller } from '../controller'
import { AttrEditor } from '../editors/AttrEditor'
import { InsertPicker } from '../editors/builtin'
@@ -223,16 +223,23 @@ function DropGhost() {
// --- dropzone highlights: while dragging, outline every zone the dragged item can land in --------
// Palette blueprints, searched nodes and moving blocks share one engine (`accepts` /
// `acceptsInSlot` in the controller); the highlights use the same predicates so what
-// glows is exactly where a drop commits. Refused slots stay visible but dimmed,
-// so it is clear they exist and just do not take this item.
+// glows is exactly where a drop commits. Refused slots stay visible but dimmed
+// (hatched, so the state is not color-only), so it is clear they exist and
+// just do not take this item.
+//
+// Matching runs once per drag: the page cannot restructure mid-drag, so renders
+// triggered by scroll/resize ticks only re-measure the cached rects.
-function DropZones() {
- const ctrl = useCtrl()
- const drag = useEditorState((s) => s.drag)!
- const blocks = useEditorState((s) => s.blocks)
- useEditorState((s) => s.tick) // re-measure on scroll/resize/mutation
- useEditorState((s) => s.schemasVersion)
- if (!drag) return null
+export interface ZoneDefs {
+ containers: Block[]
+ slots: { key: string; parentId: string; handle: string; el: HTMLElement; refused: boolean }[]
+}
+
+export function matchZones(
+ ctrl: Controller,
+ blocks: Block[],
+ drag: { source: string; id: string | null; type?: string; blueprint?: string },
+): ZoneDefs {
const type = drag.type
// A moving block can never land inside itself: mirror the engine, which
// excludes the dragged block and its descendants from every hit test.
@@ -255,31 +262,47 @@ function DropZones() {
const containers = blocks.filter(
(b) => b.container && b.el.isConnected && !excluded.has(b.id) && (!type || ctrl.accepts(b.id, type) || ctrl.handleForDrop(b.id, type) !== undefined),
)
- // NB: doc.querySelectorAll does not pierce the editor's shadow root, so
- // editor UI is never included (same as SlotAdds below).
- const slots = [...ctrl.doc.querySelectorAll('[data-cms-slot]')].flatMap((el, i) => {
- const handle = el.getAttribute('data-cms-slot')
- if (!handle || !el.isConnected) return []
- const parentId = el.getAttribute('data-cms-slot-parent') ?? el.closest('[data-cms]')?.getAttribute('data-cms') ?? ''
- if (!parentId) return []
- if (drag.source === 'block' && parentId === drag.id) return [] // engine never targets the dragged block's own zones
- const r = el.getBoundingClientRect()
- // Blueprints cannot land in slots (the outline refuses them too); a type
- // fits when the slot's own `to` list takes it.
- const refused = !type || !ctrl.acceptsInSlot(parentId, handle, type)
- return [{ key: `${parentId}:${handle}:${i}`, parentId, handle, rect: r, refused }]
+ // Slot zones come from the controller's last scan (no second DOM walk; the
+ // query never pierces the editor's shadow root, so editor UI is excluded).
+ // Blueprints cannot land in slots (the outline refuses them too); a type
+ // fits when the slot's own `to` list takes it.
+ const slots = ctrl.slotZones().flatMap((s, i) => {
+ if (drag.source === 'block' && s.parentId === drag.id) return [] // engine never targets the dragged block's own zones
+ const refused = !type || !ctrl.acceptsInSlot(s.parentId, s.handle, type)
+ return [{ key: `${s.parentId}:${s.handle}:${i}`, parentId: s.parentId, handle: s.handle, el: s.el, refused }]
})
+ return { containers, slots }
+}
+
+/** Slot handles are template keys (`3d-accessories`); show them as words. */
+export function slotLabel(handle: string): string {
+ return handle.replace(/[-_]+/g, ' ').replace(/\s+/g, ' ').trim()
+}
+
+function DropZones() {
+ const ctrl = useCtrl()
+ const drag = useEditorState((s) => s.drag)!
+ const blocks = useEditorState((s) => s.blocks)
+ useEditorState((s) => s.tick) // re-measure on scroll/resize/mutation
+ const schemasVersion = useEditorState((s) => s.schemasVersion)
+ // The drag object is rebuilt every pointermove; key on what matching reads.
+ const spec = drag ? `${drag.source}:${drag.id ?? ''}:${drag.type ?? ''}:${drag.blueprint ?? ''}` : ''
+ const zones = useMemo(() => (drag ? matchZones(ctrl, blocks, drag) : null), [ctrl, blocks, schemasVersion, spec])
+ if (!drag || !zones) return null
return (
<>
- {containers.map((b) => {
+ {zones.containers.map((b) => {
const r = b.el.getBoundingClientRect()
return
})}
- {slots.map((z) => (
-
- {z.handle}
-
- ))}
+ {zones.slots.map((z) => {
+ const r = z.el.getBoundingClientRect()
+ return (
+
+ {slotLabel(z.handle)}
+
+ )
+ })}
>
)
}
diff --git a/src/ui/styles.css b/src/ui/styles.css
index f26af25..a2f6bd9 100644
--- a/src/ui/styles.css
+++ b/src/ui/styles.css
@@ -218,7 +218,7 @@ input.cms-map__key { padding-top: 6px; }
/* dropzone highlights: while dragging, every zone the dragged item can land in */
.cms-dropzone { position: fixed; pointer-events: none; z-index: 1; border: 1.5px dashed rgba(94,224,160,.7); border-radius: 6px; background: rgba(94,224,160,.05); }
.cms-dropzone--slot { border-color: rgba(106,167,255,.75); background: rgba(106,167,255,.07); }
-.cms-dropzone--slot.is-refused { border-color: rgba(163,58,74,.55); background: rgba(163,58,74,.04); }
+.cms-dropzone--slot.is-refused { border-color: rgba(163,58,74,.55); background-color: rgba(163,58,74,.06); background-image: repeating-linear-gradient(45deg, rgba(163,58,74,.16) 0 6px, transparent 6px 12px); }
.cms-dropzone__tag { position: absolute; top: -9px; left: 8px; padding: 0 6px; font-size: 10px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; background: #1c2b25; color: #8fe3b8; border: 1px solid rgba(94,224,160,.7); border-radius: 999px; }
.cms-dropzone--slot .cms-dropzone__tag { background: #232c4a; color: #aebdff; border-color: rgba(106,167,255,.75); }
.cms-dropzone--slot.is-refused .cms-dropzone__tag { background: #33222a; color: #e89aa6; border-color: rgba(163,58,74,.55); }
@@ -311,7 +311,7 @@ input.cms-map__key { padding-top: 6px; }
.cms-snap { position: fixed; pointer-events: none; background: rgba(94,224,160,.28); border-radius: 2px; }
.cms-snap.is-active { background: transparent; }
.cms-dropline { transition: left .09s ease-out, top .09s ease-out, width .09s ease-out, height .09s ease-out; }
-@media (prefers-reduced-motion: reduce) { .cms-dropline { transition: none; } }
+@media (prefers-reduced-motion: reduce) { .cms-dropline { transition: none; } .cms-ghost { animation: none; } }
/* titles + groups */
.cms-frame__tag i { font-style: normal; opacity: .7; font-weight: 400; }
diff --git a/test/onpage.test.tsx b/test/onpage.test.tsx
index e6c3dca..a9dd361 100644
--- a/test/onpage.test.tsx
+++ b/test/onpage.test.tsx
@@ -3,6 +3,7 @@ import { act } from 'react'
import { byId, click, setup } from './harness'
import type { Harness } from './harness'
import { Icon, TypeIcon, registerTypeIcon } from '../src/ui/Icon'
+import { slotLabel } from '../src/ui/Overlay'
import { createRoot } from 'react-dom/client'
let h: Harness
@@ -204,8 +205,7 @@ describe('block palette and drag & drop', () => {
h = await setup()
await h.settle()
place('s1', 0, 0, 600, 300)
- // The section schema declares a `sidebar` slot taking text/button/footer; the template marks it.
- byId('s1').insertAdjacentHTML('beforeend', '')
+ // The section schema declares a `sidebar` slot taking text/button/footer; the fixture template marks it.
const zone = byId('s1').querySelector('[data-cms-slot]')!
zone.getBoundingClientRect = () => ({ x: 10, y: 190, left: 10, top: 190, right: 590, bottom: 250, width: 580, height: 60, toJSON() {} }) as DOMRect
h.editor.ctrl.scan()
@@ -223,7 +223,6 @@ describe('block palette and drag & drop', () => {
h = await setup()
await h.settle()
place('s1', 0, 0, 600, 300)
- byId('s1').insertAdjacentHTML('beforeend', '')
const zone = byId('s1').querySelector('[data-cms-slot]')!
zone.getBoundingClientRect = () => ({ x: 10, y: 190, left: 10, top: 190, right: 590, bottom: 250, width: 580, height: 60, toJSON() {} }) as DOMRect
h.editor.ctrl.scan()
@@ -267,7 +266,7 @@ describe('insertion slots (virtual "+" elements)', () => {
h = await setup()
await h.settle()
await select('s1')
- expect(qa('.cms-slot').map((s) => s.getAttribute('aria-label'))).toEqual(['Add block at position 1', 'Add block at position 2', 'Add block at position 3', 'Add block at position 4'])
+ expect(qa('.cms-slot').map((s) => s.getAttribute('aria-label'))).toEqual(['Add block at position 1', 'Add block at position 2', 'Add block at position 3', 'Add block at position 4', 'Add to sidebar'])
await act(async () => void qa('.cms-slot')[1].click())
await h.settle()
expect([...h.shadow.querySelectorAll('.cms-dialog h4')].map((x) => x.textContent)).toEqual(['Content', 'Layout', 'Blueprints']) // grouped by x-graph.group
@@ -419,7 +418,9 @@ describe('dropzone highlights', () => {
expect(ids).toContain('s2')
expect(ids).toContain('l1') // layout takes text too
expect(ids).not.toContain('t1') // leaves are never dropzones
- expect(slots().length).toBe(0) // the fixture page has no tagged slots
+ const s = slots()
+ expect(s.map((el) => el.getAttribute('data-dropzone'))).toEqual(['slot:s1:sidebar', 'slot:s2:sidebar']) // both sections mark their sidebar slot
+ expect(s.every((el) => !el.className.includes('is-refused'))).toBe(true) // sidebar takes text
await stop()
expect(qa('.cms-dropzone').length).toBe(0)
})
@@ -438,13 +439,12 @@ describe('dropzone highlights', () => {
it('a blueprint drag lights up containers and marks every slot refused', async () => {
h = await setup()
await h.settle()
- byId('s1').insertAdjacentHTML('beforeend', '')
h.editor.ctrl.scan()
h.editor.ctrl.beginPaletteDrag({ blueprint: 'hero', label: 'Hero' })
await h.settle()
expect(zones()).toContain('s1') // typeless: every container fits
const s = slots()
- expect(s.map((el) => el.getAttribute('data-dropzone'))).toEqual(['slot:s1:sidebar'])
+ expect(s.map((el) => el.getAttribute('data-dropzone'))).toEqual(['slot:s1:sidebar', 'slot:s2:sidebar'])
expect(s[0].className).toContain('is-refused') // blueprints cannot land in slots
expect(s[0].querySelector('.cms-dropzone__tag')!.textContent).toBe('sidebar')
await stop()
@@ -453,17 +453,16 @@ describe('dropzone highlights', () => {
it('a node drag accepts a fitting slot and refuses one that does not take the type', async () => {
h = await setup()
await h.settle()
- byId('s1').insertAdjacentHTML('beforeend', '')
h.editor.ctrl.scan()
h.editor.ctrl.beginExistingDrag({ id: 'orphan1', type: 'text', label: 'sparrows' })
await h.settle()
- expect(slots().length).toBe(1)
- expect(slots()[0].className).not.toContain('is-refused') // sidebar takes text
+ expect(slots()).toHaveLength(2)
+ expect(slots().every((el) => !el.className.includes('is-refused'))).toBe(true) // sidebar takes text
await stop()
h.editor.ctrl.beginExistingDrag({ id: 'orphan1', type: 'heading', label: 'headline' })
await h.settle()
- expect(slots().length).toBe(1)
- expect(slots()[0].className).toContain('is-refused') // sidebar takes text/button/footer
+ expect(slots()).toHaveLength(2)
+ expect(slots().every((el) => el.className.includes('is-refused'))).toBe(true) // sidebar takes text/button/footer
expect(zones()).toContain('s1') // ... while the section itself still takes it
await stop()
})
@@ -479,4 +478,38 @@ describe('dropzone highlights', () => {
expect(ids).not.toContain('h1') // leaves are never dropzones
await stop()
})
+
+ it('zones match once per drag: scroll ticks re-measure but do not re-match', async () => {
+ h = await setup()
+ await h.settle()
+ const ctrl = h.editor.ctrl
+ let n = 0
+ const orig = ctrl.accepts
+ ctrl.accepts = (...args: [string, string]) => {
+ n++
+ return orig.call(ctrl, ...args)
+ }
+ try {
+ ctrl.beginPaletteDrag({ type: 'text', label: 'Text' })
+ await h.settle()
+ expect(n).toBeGreaterThan(0) // matching ran: every container checked
+ expect(qa('.cms-dropzone').length).toBeGreaterThan(0)
+ ctrl.store.set({ tick: ctrl.store.get().tick + 1 }) // scroll/resize/mutation tick
+ await h.settle()
+ expect(qa('.cms-dropzone').length).toBeGreaterThan(0) // still drawn, rects re-measured ...
+ const after = n
+ ctrl.store.set({ tick: ctrl.store.get().tick + 1 })
+ await h.settle()
+ expect(n).toBe(after) // ... without re-running the accept predicates
+ await stop()
+ } finally {
+ ctrl.accepts = orig
+ }
+ })
+
+ it('slot tags show handles as words', () => {
+ expect(slotLabel('sidebar')).toBe('sidebar')
+ expect(slotLabel('3d-accessories')).toBe('3d accessories')
+ expect(slotLabel('hero_slot')).toBe('hero slot')
+ })
})