Lexical: Added a range of format buttons

This commit is contained in:
Dan Brown 2024-05-28 22:56:58 +01:00
parent b24d60e98d
commit 483d9bf26c
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3 changed files with 170 additions and 18 deletions

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@ -1,7 +1,15 @@
import {$createParagraphNode, $getSelection, BaseSelection, LexicalEditor} from "lexical";
import {
$createParagraphNode,
$getSelection,
$isTextNode,
BaseSelection,
ElementFormatType,
LexicalEditor, TextFormatType
} from "lexical";
import {LexicalElementNodeCreator, LexicalNodeMatcher} from "./nodes";
import {$getNearestBlockElementAncestorOrThrow} from "@lexical/utils";
import {$setBlocksType} from "@lexical/selection";
import {TextNodeThemeClasses} from "lexical/LexicalEditor";
export function selectionContainsNodeType(selection: BaseSelection|null, matcher: LexicalNodeMatcher): boolean {
if (!selection) {
@ -23,6 +31,20 @@ export function selectionContainsNodeType(selection: BaseSelection|null, matcher
return false;
}
export function selectionContainsTextFormat(selection: BaseSelection|null, format: TextFormatType): boolean {
if (!selection) {
return false;
}
for (const node of selection.getNodes()) {
if ($isTextNode(node) && node.hasFormat(format)) {
return true;
}
}
return false;
}
export function toggleSelectionBlockNodeType(editor: LexicalEditor, matcher: LexicalNodeMatcher, creator: LexicalElementNodeCreator) {
editor.update(() => {
const selection = $getSelection();

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@ -0,0 +1,129 @@
import {EditorButtonDefinition} from "./editor-button";
import {
$createParagraphNode,
$isParagraphNode,
BaseSelection, FORMAT_TEXT_COMMAND,
LexicalEditor,
LexicalNode,
REDO_COMMAND, TextFormatType,
UNDO_COMMAND
} from "lexical";
import {selectionContainsNodeType, selectionContainsTextFormat, toggleSelectionBlockNodeType} from "../helpers";
import {$createCalloutNode, $isCalloutNodeOfCategory, CalloutCategory} from "../nodes/callout";
import {
$createHeadingNode,
$createQuoteNode,
$isHeadingNode,
$isQuoteNode,
HeadingNode,
HeadingTagType
} from "@lexical/rich-text";
export const undoButton: EditorButtonDefinition = {
label: 'Undo',
action(editor: LexicalEditor) {
editor.dispatchCommand(UNDO_COMMAND);
},
isActive(selection: BaseSelection|null): boolean {
return false;
}
}
export const redoButton: EditorButtonDefinition = {
label: 'Redo',
action(editor: LexicalEditor) {
editor.dispatchCommand(REDO_COMMAND);
},
isActive(selection: BaseSelection|null): boolean {
return false;
}
}
function buildCalloutButton(category: CalloutCategory, name: string): EditorButtonDefinition {
return {
label: `${name} Callout`,
action(editor: LexicalEditor) {
toggleSelectionBlockNodeType(
editor,
(node) => $isCalloutNodeOfCategory(node, category),
() => $createCalloutNode(category),
)
},
isActive(selection: BaseSelection|null): boolean {
return selectionContainsNodeType(selection, (node) => $isCalloutNodeOfCategory(node, category));
}
};
}
export const infoCalloutButton: EditorButtonDefinition = buildCalloutButton('info', 'Info');
export const dangerCalloutButton: EditorButtonDefinition = buildCalloutButton('danger', 'Danger');
export const warningCalloutButton: EditorButtonDefinition = buildCalloutButton('warning', 'Warning');
export const successCalloutButton: EditorButtonDefinition = buildCalloutButton('success', 'Success');
const isHeaderNodeOfTag = (node: LexicalNode | null | undefined, tag: HeadingTagType) => {
return $isHeadingNode(node) && (node as HeadingNode).getTag() === tag;
};
function buildHeaderButton(tag: HeadingTagType, name: string): EditorButtonDefinition {
return {
label: name,
action(editor: LexicalEditor) {
toggleSelectionBlockNodeType(
editor,
(node) => isHeaderNodeOfTag(node, tag),
() => $createHeadingNode(tag),
)
},
isActive(selection: BaseSelection|null): boolean {
return selectionContainsNodeType(selection, (node) => isHeaderNodeOfTag(node, tag));
}
};
}
export const h2Button: EditorButtonDefinition = buildHeaderButton('h2', 'Large Header');
export const h3Button: EditorButtonDefinition = buildHeaderButton('h3', 'Medium Header');
export const h4Button: EditorButtonDefinition = buildHeaderButton('h4', 'Small Header');
export const h5Button: EditorButtonDefinition = buildHeaderButton('h5', 'Tiny Header');
export const blockquoteButton: EditorButtonDefinition = {
label: 'Blockquote',
action(editor: LexicalEditor) {
toggleSelectionBlockNodeType(editor, $isQuoteNode, $createQuoteNode);
},
isActive(selection: BaseSelection|null): boolean {
return selectionContainsNodeType(selection, $isQuoteNode);
}
};
export const paragraphButton: EditorButtonDefinition = {
label: 'Paragraph',
action(editor: LexicalEditor) {
toggleSelectionBlockNodeType(editor, $isParagraphNode, $createParagraphNode);
},
isActive(selection: BaseSelection|null): boolean {
return selectionContainsNodeType(selection, $isParagraphNode);
}
}
function buildFormatButton(label: string, format: TextFormatType): EditorButtonDefinition {
return {
label: label,
action(editor: LexicalEditor) {
editor.dispatchCommand(FORMAT_TEXT_COMMAND, format);
},
isActive(selection: BaseSelection|null): boolean {
return selectionContainsTextFormat(selection, format);
}
};
}
export const boldButton: EditorButtonDefinition = buildFormatButton('Bold', 'bold');
export const italicButton: EditorButtonDefinition = buildFormatButton('Italic', 'italic');
export const underlineButton: EditorButtonDefinition = buildFormatButton('Underline', 'underline');
// Todo - Text color
// Todo - Highlight color
export const strikethroughButton: EditorButtonDefinition = buildFormatButton('Strikethrough', 'strikethrough');
export const superscriptButton: EditorButtonDefinition = buildFormatButton('Superscript', 'superscript');
export const subscriptButton: EditorButtonDefinition = buildFormatButton('Subscript', 'subscript');
export const codeButton: EditorButtonDefinition = buildFormatButton('Inline Code', 'code');
// Todo - Clear formatting

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@ -1,30 +1,31 @@
import {
$getSelection,
BaseSelection,
COMMAND_PRIORITY_LOW,
LexicalEditor,
SELECTION_CHANGE_COMMAND
} from "lexical";
import {$createCalloutNode, $isCalloutNodeOfCategory} from "../nodes/callout";
import {selectionContainsNodeType, toggleSelectionBlockNodeType} from "../helpers";
import {EditorButton, EditorButtonDefinition} from "./editor-button";
import {
blockquoteButton, boldButton, codeButton,
dangerCalloutButton,
h2Button,
h3Button, h4Button, h5Button,
infoCalloutButton, italicButton, paragraphButton, redoButton, strikethroughButton, subscriptButton,
successCalloutButton, superscriptButton, underlineButton, undoButton,
warningCalloutButton
} from "./buttons";
const calloutButton: EditorButtonDefinition = {
label: 'Info Callout',
action(editor: LexicalEditor) {
toggleSelectionBlockNodeType(
editor,
(node) => $isCalloutNodeOfCategory(node, 'info'),
() => $createCalloutNode('info'),
)
},
isActive(selection: BaseSelection|null): boolean {
return selectionContainsNodeType(selection, (node) => $isCalloutNodeOfCategory(node, 'info'));
}
}
const toolbarButtonDefinitions: EditorButtonDefinition[] = [
calloutButton,
undoButton, redoButton,
infoCalloutButton, warningCalloutButton, dangerCalloutButton, successCalloutButton,
h2Button, h3Button, h4Button, h5Button,
blockquoteButton, paragraphButton,
boldButton, italicButton, underlineButton, strikethroughButton,
superscriptButton, subscriptButton, codeButton,
];
export function buildEditorUI(element: HTMLElement, editor: LexicalEditor) {