TX Text Control .NET Server

Javascript: EmbeddedFile.setRelationship Method

Method|Introduced in 29.0

Description

PDF/A only. Sets an optional string describing the relationship of the embedded file and the containing document. This string can be a predefined value or should follow the rules for second-class names (ISO 32000-1, Annex E). Predefined values are "Source", "Data", "Alternative", "Supplement" or "Unspecified".

Syntax

<void> EmbeddedFile.setRelationship(<string> value, [<EmptyRequestCallback> callback], [<ErrorCallback> errorCallback])

Parameters

ParameterDescription
value

The property value.

callback

Optional. Is called when the operation completed.

errorCallback

Optional. Is called when the operation failed with an error.

Examples

The following example demonstrates EmbeddedFile.setRelationship in a practical document-editing workflow. PDF/A only. Sets an optional string describing the relationship of the embedded file and the containing document. This string can be a predefined value or should follow the rules for second-class names (ISO 32000-1, Annex E). Predefined values are "Source", "Data", "Alternative", "Supplement" or "Unspecified".

function onTxError(error) {
    console.error("TX Text Control error:", error.msg);
    error.handled = true;
}

TXTextControl.textParts.getMainText(function(mainText) {
    const embeddedFiles = mainText.embeddedFiles;
    embeddedFiles.getItem(function(embeddedFile) {
        if (!embeddedFile) {
            console.warn("No embedded file is available at the current input position.");
            return;
        }
    
        embeddedFile.setRelationship(
            "Quarterly report",
            function() {
                console.log("set relationship completed.");
            },
            onTxError
        );
    }, onTxError);
}, onTxError);