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power-apps-codeapps-blog-part2/node_modules/@fluentui/react-tree/lib-commonjs/components/TreeItem/useTreeItem.js

364 lines
16 KiB
JavaScript

'use client';
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "useTreeItem_unstable", {
enumerable: true,
get: function() {
return useTreeItem_unstable;
}
});
const _interop_require_wildcard = require("@swc/helpers/_/_interop_require_wildcard");
const _react = /*#__PURE__*/ _interop_require_wildcard._(require("react"));
const _reactdom = /*#__PURE__*/ _interop_require_wildcard._(require("react-dom"));
const _reactutilities = require("@fluentui/react-utilities");
const _keyboardkeys = require("@fluentui/keyboard-keys");
const _tokens = require("../../utils/tokens");
const _contexts = require("../../contexts");
const _getTreeItemValueFromElement = require("../../utils/getTreeItemValueFromElement");
const _reactcontextselector = require("@fluentui/react-context-selector");
const _Tree = require("../../Tree");
function useTreeItem_unstable(props, ref) {
'use no memo';
const treeType = (0, _contexts.useTreeContext_unstable)((ctx)=>ctx.treeType);
if (treeType === 'flat') {
warnIfNoProperPropsFlatTreeItem(props);
}
const requestTreeResponse = (0, _contexts.useTreeContext_unstable)((ctx)=>ctx.requestTreeResponse);
const navigationMode = (0, _contexts.useTreeContext_unstable)((ctx)=>{
var _ctx_navigationMode;
return (_ctx_navigationMode = ctx.navigationMode) !== null && _ctx_navigationMode !== void 0 ? _ctx_navigationMode : 'tree';
});
const forceUpdateRovingTabIndex = (0, _contexts.useTreeContext_unstable)((ctx)=>ctx.forceUpdateRovingTabIndex);
const { level: contextLevel } = (0, _contexts.useSubtreeContext_unstable)();
const parentValue = (0, _contexts.useTreeItemContext_unstable)((ctx)=>{
var _props_parentValue;
return (_props_parentValue = props.parentValue) !== null && _props_parentValue !== void 0 ? _props_parentValue : ctx.value;
});
// note, if the value is not externally provided,
// then selection and expansion will not work properly
const internalValue = (0, _reactutilities.useId)('fuiTreeItemValue-');
var _props_value;
const value = (_props_value = props.value) !== null && _props_value !== void 0 ? _props_value : internalValue;
const { onClick, onKeyDown, onChange, as = 'div', itemType = 'leaf', 'aria-level': level = contextLevel, 'aria-selected': ariaSelected, 'aria-expanded': ariaExpanded, ...rest } = props;
const actionsRef = _react.useRef(null);
const expandIconRef = _react.useRef(null);
const layoutRef = _react.useRef(null);
const subtreeRef = _react.useRef(null);
const selectionRef = _react.useRef(null);
const treeItemRef = _react.useRef(null);
if (process.env.NODE_ENV !== 'production') {
// This is acceptable since the NODE_ENV will not change during runtime
// eslint-disable-next-line react-hooks/rules-of-hooks
const hasTreeContext = (0, _reactcontextselector.useHasParentContext)(_contexts.TreeContext);
// eslint-disable-next-line react-hooks/rules-of-hooks
_react.useEffect(()=>{
var _treeItemRef_current;
if (hasTreeContext) {
return;
}
if ((_treeItemRef_current = treeItemRef.current) === null || _treeItemRef_current === void 0 ? void 0 : _treeItemRef_current.querySelector(`.${_Tree.treeClassNames.root}`)) {
// eslint-disable-next-line no-console
console.error(`@fluentui/react-tree [useTreeItem]:
<TreeItem> should be declared inside a <Tree> component.`);
}
}, [
hasTreeContext
]);
}
_react.useEffect(()=>{
// When the tree item is mounted, we might need to update the roving tab index
// in edge cases where the tree is empty and then populated
forceUpdateRovingTabIndex === null || forceUpdateRovingTabIndex === void 0 ? void 0 : forceUpdateRovingTabIndex();
const treeItem = treeItemRef.current;
return ()=>{
// When the tree item is unmounted, we need to update the roving tab index
// if the tree item is the current tab indexed item
if (treeItem && treeItem.tabIndex === 0) {
forceUpdateRovingTabIndex === null || forceUpdateRovingTabIndex === void 0 ? void 0 : forceUpdateRovingTabIndex();
}
};
}, [
forceUpdateRovingTabIndex
]);
const open = (0, _contexts.useTreeContext_unstable)((ctx)=>{
var _props_open;
return (_props_open = props.open) !== null && _props_open !== void 0 ? _props_open : ctx.openItems.has(value);
});
const getNextOpen = ()=>itemType === 'branch' ? !open : open;
const selectionMode = (0, _contexts.useTreeContext_unstable)((ctx)=>ctx.selectionMode);
const checked = (0, _contexts.useTreeContext_unstable)((ctx)=>{
var _ctx_checkedItems_get;
return (_ctx_checkedItems_get = ctx.checkedItems.get(value)) !== null && _ctx_checkedItems_get !== void 0 ? _ctx_checkedItems_get : false;
});
const handleClick = (0, _reactutilities.useEventCallback)((event)=>{
var _expandIconRef_current;
const isEventFromActions = ()=>actionsRef.current && (0, _reactutilities.elementContains)(actionsRef.current, event.target);
const isEventFromSubtree = ()=>subtreeRef.current && (0, _reactutilities.elementContains)(subtreeRef.current, event.target);
const isEventFromSelection = ()=>{
var _selectionRef_current;
return (_selectionRef_current = selectionRef.current) === null || _selectionRef_current === void 0 ? void 0 : _selectionRef_current.contains(event.target);
};
const isEventFromExpandIcon = (_expandIconRef_current = expandIconRef.current) === null || _expandIconRef_current === void 0 ? void 0 : _expandIconRef_current.contains(event.target);
if (isEventFromActions() || isEventFromSubtree() || isEventFromSelection()) {
return;
} else if (!isEventFromExpandIcon) {
onClick === null || onClick === void 0 ? void 0 : onClick(event);
}
if (event.isDefaultPrevented()) {
return;
}
_reactdom.unstable_batchedUpdates(()=>{
const data = {
event,
value,
open: getNextOpen(),
target: event.currentTarget,
type: isEventFromExpandIcon ? _tokens.treeDataTypes.ExpandIconClick : _tokens.treeDataTypes.Click
};
if (itemType !== 'leaf') {
var _props_onOpenChange;
(_props_onOpenChange = props.onOpenChange) === null || _props_onOpenChange === void 0 ? void 0 : _props_onOpenChange.call(props, event, data);
requestTreeResponse({
...data,
itemType,
requestType: 'open'
});
}
requestTreeResponse({
...data,
itemType,
parentValue,
requestType: 'navigate',
type: _tokens.treeDataTypes.Click
});
});
});
const handleKeyDown = (0, _reactutilities.useEventCallback)((event)=>{
onKeyDown === null || onKeyDown === void 0 ? void 0 : onKeyDown(event);
if (event.isDefaultPrevented() || !treeItemRef.current) {
return;
}
const isEventFromTreeItem = event.currentTarget === event.target;
const isEventFromActions = actionsRef.current && actionsRef.current.contains(event.target);
switch(event.key){
case _keyboardkeys.Space:
{
if (!isEventFromTreeItem) {
return;
}
if (selectionMode !== 'none') {
var _selectionRef_current;
(_selectionRef_current = selectionRef.current) === null || _selectionRef_current === void 0 ? void 0 : _selectionRef_current.click();
// Prevents the page from scrolling down when the spacebar is pressed
event.preventDefault();
}
return;
}
case _tokens.treeDataTypes.Enter:
{
if (!isEventFromTreeItem) {
return;
}
return event.currentTarget.click();
}
case _tokens.treeDataTypes.End:
case _tokens.treeDataTypes.Home:
case _tokens.treeDataTypes.ArrowUp:
{
if (!isEventFromTreeItem && !isEventFromActions) {
return;
}
return requestTreeResponse({
requestType: 'navigate',
event,
value,
itemType,
parentValue,
type: event.key,
target: event.currentTarget
});
}
case _tokens.treeDataTypes.ArrowDown:
{
if (!isEventFromTreeItem && !isEventFromActions) {
return;
}
if (isEventFromActions && (!(0, _reactutilities.isHTMLElement)(event.target) || event.target.hasAttribute('aria-haspopup'))) {
return;
}
return requestTreeResponse({
requestType: 'navigate',
event,
value,
itemType,
parentValue,
type: event.key,
target: event.currentTarget
});
}
case _tokens.treeDataTypes.ArrowLeft:
{
// arrow left with alt key is reserved for history navigation
if (event.altKey) {
return;
}
const data = {
value,
event,
open: getNextOpen(),
type: event.key,
itemType,
parentValue,
target: event.currentTarget
};
if (isEventFromActions && navigationMode === 'treegrid') {
requestTreeResponse({
...data,
requestType: 'navigate'
});
return;
}
if (!isEventFromTreeItem) {
return;
}
// do not navigate to parent if the item is on the top level
if (level === 1 && !open) {
return;
}
if (open) {
var _props_onOpenChange;
(_props_onOpenChange = props.onOpenChange) === null || _props_onOpenChange === void 0 ? void 0 : _props_onOpenChange.call(props, event, data);
}
requestTreeResponse({
...data,
requestType: open ? 'open' : 'navigate'
});
return;
}
case _tokens.treeDataTypes.ArrowRight:
{
// Ignore keyboard events that do not originate from the current tree item.
if (!isEventFromTreeItem) {
return;
}
// arrow right with alt key is reserved for history navigation
if (event.altKey) {
return;
}
const data = {
value,
event,
open: getNextOpen(),
type: event.key,
target: event.currentTarget
};
if (itemType === 'branch' && !open) {
var _props_onOpenChange1;
(_props_onOpenChange1 = props.onOpenChange) === null || _props_onOpenChange1 === void 0 ? void 0 : _props_onOpenChange1.call(props, event, data);
requestTreeResponse({
...data,
itemType,
requestType: 'open'
});
} else {
requestTreeResponse({
...data,
itemType,
parentValue,
requestType: 'navigate'
});
}
return;
}
}
// Ignore keyboard events that do not originate from the current tree item.
if (!isEventFromTreeItem) {
return;
}
const isTypeAheadCharacter = event.key.length === 1 && event.key.match(/\w/) && !event.altKey && !event.ctrlKey && !event.metaKey;
if (isTypeAheadCharacter) {
requestTreeResponse({
requestType: 'navigate',
event,
target: event.currentTarget,
value,
itemType,
type: _tokens.treeDataTypes.TypeAhead,
parentValue
});
}
});
const handleChange = (0, _reactutilities.useEventCallback)((event)=>{
onChange === null || onChange === void 0 ? void 0 : onChange(event);
if (event.isDefaultPrevented()) {
return;
}
const isEventFromSubtree = subtreeRef.current && (0, _reactutilities.elementContains)(subtreeRef.current, event.target);
if (isEventFromSubtree) {
return;
}
requestTreeResponse({
requestType: 'selection',
event,
value,
itemType,
type: 'Change',
target: event.currentTarget,
checked: checked === 'mixed' ? true : !checked
});
});
return {
value,
open,
checked,
subtreeRef,
layoutRef,
selectionRef,
expandIconRef,
treeItemRef,
actionsRef,
itemType,
level,
components: {
root: 'div'
},
// FIXME: this property is not necessary anymore, but as removing it would be a breaking change, we need to keep it as false
isAsideVisible: false,
// FIXME: this property is not necessary anymore, but as removing it would be a breaking change, we need to keep it as false
isActionsVisible: false,
root: _reactutilities.slot.always((0, _reactutilities.getIntrinsicElementProps)(as, {
tabIndex: -1,
[_getTreeItemValueFromElement.dataTreeItemValueAttrName]: value,
role: 'treeitem',
...rest,
ref: (0, _reactutilities.useMergedRefs)(ref, treeItemRef),
'aria-level': level,
'aria-checked': selectionMode === 'multiselect' ? checked : undefined,
'aria-selected': ariaSelected !== undefined ? ariaSelected : selectionMode === 'single' ? !!checked : undefined,
'aria-expanded': ariaExpanded !== undefined ? ariaExpanded : itemType === 'branch' ? open : undefined,
onClick: handleClick,
onKeyDown: handleKeyDown,
onChange: handleChange
}), {
elementType: 'div'
})
};
}
function warnIfNoProperPropsFlatTreeItem(props) {
if (process.env.NODE_ENV !== 'production') {
if (props['aria-posinset'] === undefined || props['aria-setsize'] === undefined || props['aria-level'] === undefined || props.parentValue === undefined && props['aria-level'] !== 1) {
// eslint-disable-next-line no-console
console.error(`@fluentui/react-tree [${useTreeItem_unstable.name}]:
A flat treeitem must have "aria-posinset", "aria-setsize", "aria-level"
and "parentValue" (if "aria-level" > 1) to ensure a11y and navigation.
- "aria-posinset": the position of this treeitem in the current level of the tree.
- "aria-setsize": the number of siblings in this level of the tree.
- "aria-level": the current level of the treeitem.
- "parentValue": the "value" property of the parent item of this item.`);
}
}
}