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Example of configuring a UI converter for a form element using the GlobalMethodConverter: This example shows the conversion of null values to '-' in the UI.

Defining the converter methods in globals.js:

function nullToDash() {
    var nr = arguments[0];
    if(nr == null)
        return '-';
    return nr;
}

function dashToNull() {
    var nr = arguments[0];
    if(nr == '-')
        return null;
    return nr;
}

UI Converter from java code (plugin)

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