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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('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;
    }

    public static RTFfield() {
        return new RichTextField(
            `{"doc":{"type":"doc","content":[{"type":"paragraph","attrs":{"align":null,"color":null,"id":null,"indent":null,"inset":null,"lineSpacing":null,"paddingBottom":null,"paddingTop":null},"content":[]}]},"selection":{"type":"text","anchor":2,"head":2},"storedMarks":[]}`,
            ''
        );
    }

    public static textToRtf(text: string, imgDocId?: string) {
        return new RichTextField(
            JSON.stringify({
                // this is a RichText json that has the question text placed above a related image
                doc: {
                    type: 'doc',
                    content: [
                        {
                            type: 'paragraph',
                            attrs: { align: 'center', color: null, id: null, indent: null, inset: null, lineSpacing: null, paddingBottom: null, paddingTop: null },
                            content: [
                                ...(text ? [{ type: 'text', text }] : []), //
                                ...(imgDocId ? [{ type: 'dashDoc', attrs: { width: '200px', height: '200px', title: 'dashDoc', float: 'unset', hidden: false, docId: imgDocId } }] : []),
                            ],
                        },
                    ],
                },
                selection: { type: 'text', anchor: 2, head: 2 },
            }),
            text
        );
    }
}