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outline/app/scenes/Document/components/Editor.js

135 lines
3.4 KiB
JavaScript

// @flow
import * as React from "react";
import styled from "styled-components";
import Textarea from "react-autosize-textarea";
import { observable } from "mobx";
import { observer } from "mobx-react";
import Editor from "components/Editor";
import ClickablePadding from "components/ClickablePadding";
import Flex from "components/Flex";
import HoverPreview from "components/HoverPreview";
import parseTitle from "shared/utils/parseTitle";
import Document from "models/Document";
import DocumentMeta from "components/DocumentMeta";
type Props = {
onChangeTitle: (event: SyntheticInputEvent<>) => void,
title: string,
defaultValue: string,
document: Document,
isDraft: boolean,
isShare: boolean,
readOnly?: boolean,
};
@observer
class DocumentEditor extends React.Component<Props> {
@observable activeLinkEvent: ?MouseEvent;
editor: ?Editor;
focusAtStart = () => {
if (this.editor) {
this.editor.focusAtStart();
}
};
focusAtEnd = () => {
if (this.editor) {
this.editor.focusAtEnd();
}
};
getHeadings = () => {
if (this.editor) {
return this.editor.getHeadings();
}
return [];
};
handleTitleKeyDown = (event: SyntheticKeyboardEvent<>) => {
if (event.key === "Enter" || event.key === "Tab") {
event.preventDefault();
this.focusAtStart();
}
};
handleLinkActive = (event: MouseEvent) => {
this.activeLinkEvent = event;
};
handleLinkInactive = () => {
this.activeLinkEvent = null;
};
render() {
const {
document,
title,
onChangeTitle,
isDraft,
isShare,
readOnly,
} = this.props;
const { emoji } = parseTitle(title);
const startsWithEmojiAndSpace = !!(emoji && title.startsWith(`${emoji} `));
return (
<Flex auto column>
<Title
type="text"
onChange={onChangeTitle}
onKeyDown={this.handleTitleKeyDown}
placeholder={document.placeholder}
value={!title && readOnly ? document.titleWithDefault : title}
style={startsWithEmojiAndSpace ? { marginLeft: "-1.2em" } : undefined}
readOnly={readOnly}
autoFocus={!title}
maxLength={100}
/>
<DocumentMeta isDraft={isDraft} document={document} />
<Editor
ref={(ref) => (this.editor = ref)}
autoFocus={title && !this.props.defaultValue}
placeholder="…the rest is up to you"
onHoverLink={this.handleLinkActive}
scrollTo={window.location.hash}
grow
{...this.props}
/>
{!readOnly && <ClickablePadding onClick={this.focusAtEnd} grow />}
{this.activeLinkEvent && !isShare && readOnly && (
<HoverPreview
node={this.activeLinkEvent.target}
event={this.activeLinkEvent}
onClose={this.handleLinkInactive}
/>
)}
</Flex>
);
}
}
const Title = styled(Textarea)`
z-index: 1;
line-height: 1.25;
margin-top: 1em;
margin-bottom: 0.5em;
text: ${(props) => props.theme.text};
background: ${(props) => props.theme.background};
transition: ${(props) => props.theme.backgroundTransition};
color: ${(props) => props.theme.text};
font-size: 2.25em;
font-weight: 500;
outline: none;
border: 0;
padding: 0;
resize: none;
&::placeholder {
color: ${(props) => props.theme.placeholder};
}
`;
export default DocumentEditor;