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path: root/src/fields/RichTextField.ts
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import { serializable } from 'serializr';
import { scriptingGlobal } from '../client/util/ScriptingGlobals';
import { Deserializable } from '../client/util/SerializationHelper';
import { Copy, ToJavascriptString, ToScriptString, ToString } from './FieldSymbols';
import { ObjectField } from './ObjectField';

@scriptingGlobal
@Deserializable('RichTextField')
export class RichTextField extends ObjectField {
    @serializable(true)
    readonly Data: string;

    @serializable(true)
    readonly Text: string;

    /**
     * NOTE: if 'text' doesn't match the plain text of 'data', this can cause infinite loop problems or other artifacts when rendered.
     * @param data this is the formatted text representation of the RTF
     * @param text this is the plain text of whatever text is in the 'data'
     */
    constructor(data: string, text: string) {
        super();
        this.Data = data;
        this.Text = text; // ideally, we'd compute 'text' from 'data' by doing what Prosemirror does at run-time ... just need to figure out how to write that function accurately
    }

    Empty() {
        return !(this.Text || this.Data.toString().includes('dashField') || this.Data.toString().includes('dashDoc') || this.Data.toString().includes('align'));
    }

    [Copy]() {
        return new RichTextField(this.Data, this.Text);
    }

    [ToJavascriptString]() {
        return '`' + this.Text + '`';
    }
    [ToScriptString]() {
        return `new RichTextField(\`${this.Data?.replace(/"/g, '\\"')}\`, \`${this.Text}\`)`;
    }
    [ToString]() {
        return this.Text;
    }

    // AARAV ADD

    static ToProsemirrorDoc = (content: Record<string, unknown>[], selection: Record<string, unknown>) => ({
        doc: {
            type: 'doc',
            content,
        },
        selection,
    });

    private static ToProsemirrorTextContent = (text: string, styles?: { bold?: boolean; italic?: boolean; fontSize?: number; color?: string }) => [
        {
            type: 'text',
            marks: [
                ...(styles?.bold ? [{ type: 'strong' }] : []),
                ...(styles?.italic ? [{ type: 'em' }] : []),
                ...(styles?.fontSize ? [{ type: 'pFontSize', attrs: { fontSize: `${styles.fontSize}px` } }] : []),
                ...(styles?.color ? [{ type: 'pFontColor', attrs: { fontColor: styles.color } }] : []),
            ],
            text,
        },
    ];

    private static ToProsemirrorDashDocContent = (docId: string) => [
        {
            type: 'dashDoc',
            attrs: { width: '200px', height: '200px', title: 'dashDoc', float: 'unset', hidden: false, docId },
        },
    ];

    private static ToProsemirror = (plaintext: string, imgDocId?: string, styles?: { bold?: boolean; italic?: boolean; fontSize?: number; color?: string }, selectBack?: number) =>
        RichTextField.ToProsemirrorDoc(
            plaintext
                .split('\n')
                .filter(text => (imgDocId ? text : true)) // if there's an image doc, we don't want it repeat for each paragraph -- assume there's only one paragraph with text in it
                .map(text => ({
                    type: 'paragraph',
                    content: [
                        ...(text.length ? RichTextField.ToProsemirrorTextContent(text, styles) : []), // An empty paragraph gets treated as a line break
                        ...(imgDocId ? RichTextField.ToProsemirrorDashDocContent(imgDocId) : []),
                    ],
                })),
            { type: 'text', anchor: 2 + plaintext.length - (selectBack ?? 0), head: 2 + plaintext.length }
        );

    // AARAV ADD

    // takes in text segments instead of single text field
    private static ToProsemirrorSegmented = (textSegments: { text: string; styles?: { bold?: boolean; italic?: boolean; fontSize?: number; color?: string } }[], imgDocId?: string, selectBack?: number) =>
        RichTextField.ToProsemirrorDoc(
            textSegments.map(seg => ({
                type: 'paragraph', // Each segment becomes its own paragraph
                content: [...RichTextField.ToProsemirrorTextContent(seg.text, seg.styles), ...(imgDocId ? RichTextField.ToProsemirrorDashDocContent(imgDocId) : [])],
            })),
            (textLen => ({
                type: 'text',
                anchor: textLen - (selectBack ?? 0),
                head: textLen,
            }))(2 * textSegments.length + textSegments.map(seg => seg.text).join('').length - 1)
            // selection/doc end = text length + 2 for each paragraph. subtract 1 to set selection inside of end of last paragraph
        );

    // AARAV ADD ||

    public static textToRtf(text: string, imgDocId?: string, styles?: { bold?: boolean; italic?: boolean; fontSize?: number; color?: string }, selectBack?: number) {
        return new RichTextField(JSON.stringify(RichTextField.ToProsemirror(text, imgDocId, styles, selectBack)), text);
    }

    // AARAV ADD
    public static textToRtfFormat(textSegments: { text: string; styles?: { bold?: boolean; italic?: boolean; fontSize?: number; color?: string } }[], imgDocId?: string, selectBack?: number) {
        return new RichTextField(JSON.stringify(RichTextField.ToProsemirrorSegmented(textSegments, imgDocId, selectBack)), textSegments.map(seg => seg.text).join(''));
    }

    // AARAV ADD
}