DS Server

Javascript: ImageCollection.getItem Method

Method|Introduced in 28.0

Description

Gets the image selected by the user or the image with the specified identifier.

Syntax

<void> ImageCollection.getItem(<RequestImageCallback> callback, [<ErrorCallback> errorCallback], [<number> id])

Parameters

ParameterDescription
callback

Receives the requested image or null if there is no image at the current input position / with the specified identifier.

errorCallback

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

id

Optional. The image's identifier.

Examples

The following example demonstrates ImageCollection.getItem in a practical document-editing workflow. It gets the image selected by the user or the image with the specified identifier.

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

TXTextControl.images.getItem(
    function(image) {
        if (!image) {
            console.warn("No image was returned.");
            return;
        }
        
        console.log("get item result:", image);
    },
    onTxError,
    25
);