Limiting the number of levels that can be selected.

[Carl E Tippins]

We have a request to limit the number of items that can be selected in a cascade must-select to 2. Is this possible?
Current code (Ignore any errors, had to manually type it):

function AlLoc(){
var resType = getFieldValue(“Resource_x0020_Type”);

if (resType == “CLP Contractor” || resType == “Contractor” || resType == “FTE B4 – B9” || resType == “SP Onshore”){

var mgr4 = getFieldValue(“DFFSMgr4LName”);
var Loc2 = getFieldValue(“LocCat2”);

spjs.casc.init({
‘manualMode’:true,
‘lookupList’:’Lookup-Location’,
‘lookupListBaseUrl’:'{currentSite}’.
‘lookupListFields’:[“LocCat2″,”ST_x002d_City_x002d_Address”],
‘thisListFields’:[“LocCat2″,”AlternateLocations:multi”],
‘droupDownDefaultvalue’:”,
‘filter’:'{“filterField”:”ValidForTE”,”filterValue”:”‘ + mgr4 + ‘”,”operator”:”substringof”}’,
‘hideEmptyDropdowns’:false,
‘autoselectSingleOption’:true,
‘clearInvalidSelection’:true,
‘sideBySide’:true,
‘debug’:false,
});
}
}

[Alexander Bautz]

You can add this to your Custom JS:

setInterval(function () {
    var len = jQuery("#AlternateLocations_casc").find("option").length;
    if (len > 2) {
        jQuery("#AlternateLocations_casc").find("option:last").prop("selected", true).trigger("dblclick");
        spjs.dffs.alert({
            "title": "To many!",
            "msg": "You can only select 2 items.",
            "ok": function () {
                // Close dialog
            }
        });
    }
}, 1000);

Alexander

[Carl E Tippins]

Thanks Alexander, it worked like a charm!

[Alexander Bautz]

Great! – thanks for the feedback.

Alexander

[Author]

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