96 lines
3.4 KiB
JavaScript
96 lines
3.4 KiB
JavaScript
'use client';
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import * as React from 'react';
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import { useHasParentContext } from '@fluentui/react-context-selector';
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import { useModalAttributes } from '@fluentui/react-tabster';
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import { presenceMotionSlot } from '@fluentui/react-motion';
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import { useControllableState, useEventCallback, useId } from '@fluentui/react-utilities';
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import { useFocusFirstElement } from '../../utils';
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import { DialogContext } from '../../contexts';
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import { DialogSurfaceMotion } from '../DialogSurfaceMotion';
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/**
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* Create the state required to render Dialog.
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*
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* The returned state can be modified with hooks such as useDialogStyles_unstable,
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* before being passed to renderDialog_unstable.
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*
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* @param props - props from this instance of Dialog
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*/ export const useDialog_unstable = (props)=>{
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const { children, modalType = 'modal', onOpenChange, inertTrapFocus = false, unmountOnClose = true } = props;
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const dialogTitleId = useId('dialog-title-');
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const [trigger, content] = childrenToTriggerAndContent(children);
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const [open, setOpen] = useControllableState({
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state: props.open,
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defaultState: props.defaultOpen,
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initialState: false
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});
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const requestOpenChange = useEventCallback((data)=>{
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onOpenChange === null || onOpenChange === void 0 ? void 0 : onOpenChange(data.event, data);
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// if user prevents default then do not change state value
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// otherwise updates state value and trigger reference to the element that caused the opening
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if (!data.event.isDefaultPrevented()) {
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setOpen(data.open);
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}
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});
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const dialogRef = useFocusFirstElement(open, modalType);
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const { modalAttributes, triggerAttributes } = useModalAttributes({
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trapFocus: modalType !== 'non-modal',
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legacyTrapFocus: !inertTrapFocus
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});
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const isNestedDialog = useHasParentContext(DialogContext);
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return {
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components: {
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surfaceMotion: DialogSurfaceMotion
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},
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inertTrapFocus,
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open,
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modalType,
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content,
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trigger,
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requestOpenChange,
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dialogTitleId,
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isNestedDialog,
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unmountOnClose,
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dialogRef,
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modalAttributes,
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triggerAttributes,
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surfaceMotion: presenceMotionSlot(props.surfaceMotion, {
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elementType: DialogSurfaceMotion,
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defaultProps: {
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visible: open,
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appear: unmountOnClose,
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unmountOnExit: unmountOnClose
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}
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})
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};
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};
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/**
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* Extracts trigger and content from children
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*/ function childrenToTriggerAndContent(children) {
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const childrenArray = React.Children.toArray(children);
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if (process.env.NODE_ENV !== 'production') {
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if (childrenArray.length !== 1 && childrenArray.length !== 2) {
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// eslint-disable-next-line no-console
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console.warn(`@fluentui/react-dialog [useDialog]:
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Dialog must contain at least one child <DialogSurface/>,
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and at most two children <DialogTrigger/> <DialogSurface/> (in this order).`);
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}
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}
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switch(childrenArray.length){
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// case where there's a trigger followed by content
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case 2:
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return childrenArray;
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// case where there's only content
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case 1:
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return [
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undefined,
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childrenArray[0]
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];
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// unknown case
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default:
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return [
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undefined,
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undefined
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];
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}
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}
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