rbe.html

<script type="text/html" data-template-name="rbe">
    <div class="form-row">
        <label for="node-input-func"><i class="fa fa-wrench"></i> <span data-i18n="rbe.label.func"></span></label>
        <select type="text" id="node-input-func" style="width:70%;">
            <option value="rbe" data-i18n="rbe.opts.rbe"></option>
            <option value="rbei" data-i18n="rbe.opts.rbei"></option>
            <option value="deadbandEq" data-i18n="rbe.opts.deadbandEq"></option>
            <option value="deadband" data-i18n="rbe.opts.deadband"></option>
            <option value="narrowbandEq" data-i18n="rbe.opts.narrowbandEq"></option>
            <option value="narrowband" data-i18n="rbe.opts.narrowband"></option>
        </select>
    </div>
    <div class="form-row" id="node-bandgap">
        <label for="node-input-gap">&nbsp;</label>
        <input type="text" id="node-input-gap" data-i18n="[placeholder]rbe.placeholder.bandgap" style="width:95px;">
        <select type="text" id="node-input-inout" style="width:54%;">
            <option value="out" data-i18n="rbe.opts.out"></option>
            <option value="in" data-i18n="rbe.opts.in"></option>
        </select>
    </div>
    <div class="form-row" id="node-startvalue">
        <label for="node-input-start"><i class="fa fa-thumb-tack"></i> <span data-i18n="rbe.label.start"></span></label>
        <input type="text" id="node-input-start" data-i18n="[placeholder]rbe.placeholder.start" style="width:70%;">
    </div>
    <div class="form-row">
        <label for="node-input-property"><i class="fa fa-ellipsis-h"></i> <span data-i18n="node-red:common.label.property"></span></label>
        <input type="text" id="node-input-property" style="width:70%;"/>
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="rbe.label.name"></span></label>
        <input type="text" id="node-input-name" data-i18n="[placeholder]rbe.label.name" style="width:70%;">
    </div>
</script>

<script type="text/javascript">
    RED.nodes.registerType("rbe", {
        color:"#E2D96E",
        category: 'function',
        defaults: {
            name: {value:""},
            func: {value:"rbe"},
            gap: {value:"",validate:RED.validators.regex(/^(\d*[.]*\d*|)(%|)$/)},
            start: {value:""},
            inout: {value:"out"},
            property: {value:"payload",required:true}
        },
        inputs:1,
        outputs:1,
        icon: "rbe.png",
        label: function() {
            var ll = (this.func||"").replace("Eq","").replace("rbei","rbe")||this._("rbe.rbe");
            return this.name||ll||this._("rbe.rbe");
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        },
        oneditprepare: function() {
            if (this.property === undefined) {
                $("#node-input-property").val("payload");
            }
            $("#node-input-property").typedInput({default:'msg',types:['msg']});
            //$( "#node-input-gap" ).spinner({min:0});
            if ($("#node-input-inout").val() === null) {
                $("#node-input-inout").val("out");
            }
            $("#node-input-func").on("change",function() {
                if (($("#node-input-func").val() === "rbe")||($("#node-input-func").val() === "rbei")) {
                    $("#node-bandgap").hide();
                } else {
                    $("#node-bandgap").show();
                }
                if (($("#node-input-func").val() === "narrowband")||($("#node-input-func").val() === "narrowbandEq")) {
                    $("#node-startvalue").show();
                } else {
                    $("#node-startvalue").hide();
                }
            });
        }
    });
</script>