@wordpress/block-editor
Version:
252 lines (251 loc) • 8.18 kB
JavaScript
// packages/block-editor/src/components/block-list/index.js
import clsx from "clsx";
import {
AsyncModeProvider,
useSelect,
useDispatch,
useRegistry
} from "@wordpress/data";
import { useMergeRefs, useDebounce } from "@wordpress/compose";
import {
createContext,
useEffect,
useMemo,
useCallback
} from "@wordpress/element";
import { getDefaultBlockName } from "@wordpress/blocks";
import BlockListBlock from "./block";
import BlockListAppender from "../block-list-appender";
import { useInBetweenInserter } from "./use-in-between-inserter";
import { store as blockEditorStore } from "../../store";
import { LayoutProvider, defaultLayout } from "./layout";
import { useBlockSelectionClearer } from "../block-selection-clearer";
import { useInnerBlocksProps } from "../inner-blocks";
import {
BlockEditContextProvider,
DEFAULT_BLOCK_EDIT_CONTEXT
} from "../block-edit/context";
import { useTypingObserver } from "../observe-typing";
import { ZoomOutSeparator } from "./zoom-out-separator";
import { unlock } from "../../lock-unlock";
import { jsx, jsxs } from "react/jsx-runtime";
var IntersectionObserver = createContext();
IntersectionObserver.displayName = "IntersectionObserverContext";
var pendingBlockVisibilityUpdatesPerRegistry = /* @__PURE__ */ new WeakMap();
var delayedBlockVisibilityDebounceOptions = {
trailing: true
};
function Root({ className, ...settings }) {
const { isOutlineMode, isFocusMode, editedContentOnlySection } = useSelect(
(select) => {
const {
getSettings,
isTyping,
hasBlockSpotlight,
getEditedContentOnlySection
} = unlock(select(blockEditorStore));
const { outlineMode, focusMode } = getSettings();
return {
isOutlineMode: outlineMode && !isTyping(),
isFocusMode: focusMode || hasBlockSpotlight(),
editedContentOnlySection: getEditedContentOnlySection()
};
},
[]
);
const registry = useRegistry();
const { setBlockVisibility } = useDispatch(blockEditorStore);
const delayedBlockVisibilityUpdates = useDebounce(
useCallback(() => {
const updates = {};
pendingBlockVisibilityUpdatesPerRegistry.get(registry).forEach(([id, isIntersecting]) => {
updates[id] = isIntersecting;
});
setBlockVisibility(updates);
}, [registry]),
300,
delayedBlockVisibilityDebounceOptions
);
const intersectionObserver = useMemo(() => {
const { IntersectionObserver: Observer } = window;
if (!Observer) {
return;
}
return new Observer((entries) => {
if (!pendingBlockVisibilityUpdatesPerRegistry.get(registry)) {
pendingBlockVisibilityUpdatesPerRegistry.set(registry, []);
}
for (const entry of entries) {
const clientId = entry.target.getAttribute("data-block");
pendingBlockVisibilityUpdatesPerRegistry.get(registry).push([clientId, entry.isIntersecting]);
}
delayedBlockVisibilityUpdates();
});
}, []);
const innerBlocksProps = useInnerBlocksProps(
{
ref: useMergeRefs([
useBlockSelectionClearer(),
useInBetweenInserter(),
useTypingObserver()
]),
className: clsx("is-root-container", className, {
"is-outline-mode": isOutlineMode,
"is-focus-mode": isFocusMode
})
},
settings
);
return /* @__PURE__ */ jsxs(IntersectionObserver.Provider, { value: intersectionObserver, children: [
/* @__PURE__ */ jsx("div", { ...innerBlocksProps }),
!!editedContentOnlySection && /* @__PURE__ */ jsx(
StopEditingContentOnlySectionOnOutsideSelect,
{
clientId: editedContentOnlySection
}
)
] });
}
function StopEditingContentOnlySectionOnOutsideSelect({ clientId }) {
const { stopEditingContentOnlySection } = unlock(
useDispatch(blockEditorStore)
);
const isBlockOrDescendantSelected = useSelect(
(select) => {
const {
isBlockSelected,
hasSelectedInnerBlock,
getBlockSelectionStart
} = select(blockEditorStore);
return !getBlockSelectionStart() || isBlockSelected(clientId) || hasSelectedInnerBlock(clientId, true);
},
[clientId]
);
useEffect(() => {
if (!isBlockOrDescendantSelected) {
stopEditingContentOnlySection();
}
}, [isBlockOrDescendantSelected, stopEditingContentOnlySection]);
return null;
}
function BlockList(settings) {
return /* @__PURE__ */ jsx(BlockEditContextProvider, { value: DEFAULT_BLOCK_EDIT_CONTEXT, children: /* @__PURE__ */ jsx(Root, { ...settings }) });
}
var EMPTY_ARRAY = [];
var EMPTY_SET = /* @__PURE__ */ new Set();
function Items({
placeholder,
rootClientId,
renderAppender: CustomAppender,
__experimentalAppenderTagName,
layout = defaultLayout
}) {
const hasAppender = CustomAppender !== false;
const hasCustomAppender = !!CustomAppender;
const {
order,
isZoomOut,
selectedBlocks,
visibleBlocks,
shouldRenderAppender
} = useSelect(
(select) => {
const {
getSettings,
getBlockOrder,
getSelectedBlockClientIds,
__unstableGetVisibleBlocks,
getTemplateLock,
getBlockEditingMode,
isSectionBlock,
isContainerInsertableToInContentOnlyMode,
getBlockName,
isZoomOut: _isZoomOut,
canInsertBlockType
} = unlock(select(blockEditorStore));
const _order = getBlockOrder(rootClientId);
if (getSettings().isPreviewMode) {
return {
order: _order,
selectedBlocks: EMPTY_ARRAY,
visibleBlocks: EMPTY_SET
};
}
const selectedBlockClientIds = getSelectedBlockClientIds();
const selectedBlockClientId = selectedBlockClientIds[0];
const showRootAppender = !rootClientId && !selectedBlockClientId && (!_order.length || !canInsertBlockType(
getDefaultBlockName(),
rootClientId
));
const hasSelectedRoot = !!(rootClientId && selectedBlockClientId && rootClientId === selectedBlockClientId);
const templateLock = getTemplateLock(rootClientId);
return {
order: _order,
selectedBlocks: selectedBlockClientIds,
visibleBlocks: __unstableGetVisibleBlocks(),
isZoomOut: _isZoomOut(),
shouldRenderAppender: (!isSectionBlock(rootClientId) || isContainerInsertableToInContentOnlyMode(
getBlockName(selectedBlockClientId),
rootClientId
)) && getBlockEditingMode(rootClientId) !== "disabled" && (!templateLock || templateLock === "contentOnly") && hasAppender && !_isZoomOut() && (hasCustomAppender || hasSelectedRoot || showRootAppender)
};
},
[rootClientId, hasAppender, hasCustomAppender]
);
return /* @__PURE__ */ jsxs(LayoutProvider, { value: layout, children: [
order.map((clientId) => /* @__PURE__ */ jsxs(
AsyncModeProvider,
{
value: (
// Only provide data asynchronously if the block is
// not visible and not selected.
!visibleBlocks.has(clientId) && !selectedBlocks.includes(clientId)
),
children: [
isZoomOut && /* @__PURE__ */ jsx(
ZoomOutSeparator,
{
clientId,
rootClientId,
position: "top"
}
),
/* @__PURE__ */ jsx(
BlockListBlock,
{
rootClientId,
clientId
}
),
isZoomOut && /* @__PURE__ */ jsx(
ZoomOutSeparator,
{
clientId,
rootClientId,
position: "bottom"
}
)
]
},
clientId
)),
order.length < 1 && placeholder,
shouldRenderAppender && /* @__PURE__ */ jsx(
BlockListAppender,
{
tagName: __experimentalAppenderTagName,
rootClientId,
CustomAppender
}
)
] });
}
function BlockListItems(props) {
return /* @__PURE__ */ jsx(AsyncModeProvider, { value: false, children: /* @__PURE__ */ jsx(Items, { ...props }) });
}
export {
BlockListItems,
IntersectionObserver,
BlockList as default
};
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