Picker.allowEmptyInput Property

Gets or sets a value indicating whether empty input is considered valid.

Namespace: MindFusion.Common.UI
File: Picker.js

 Syntax

JavaScript

get allowEmptyInput() {}

 Property Value

Boolean. true if empty input will be considered valid, otherwise false.

 Example

The following code creates an ImagePicker with an initial list of 3 images and handles its valueChanging event. The image picker does not allow empty values:

JavaScript

var u = MindFusion.Common.UI;var imagePicker = u.ImagePicker(document.getElementById("image_picker"));
imagePicker.imageList = ["my-folder/myImage.png", "my-folder1/myImage1.png", "my-folder2/myImage2.png"];
impagePicker.allowEmptyInput = false;imagePicker.valueChanging.addEventListener(handleValueChanging);function handleValueChanging(sender, args)
{
    //check the replaced image
    if(args.oldValue.url != "my-folder/myImage.png")
    {
       args.cancel = true;
    }
}