Variable Format Options for Custom Visual

Anonymous — Tue, 12 Mar 2019 17:50:54 GMT

I am trying to develop a custom visual with a variable number of format options.

The visual is a gauge with a user-defined number of colored bands. The user should be prompted to enter an integer to define the number of colored bands/ranges in the guage, followed by that number of color-picker fields.

e.g.

Number of Ranges: 3

Color 1: ???

Color 2: ???

Color 3: ???

Number of Ranges: 2

Color 1: ???

Color 2: ???

How does the object/dataPoint/properties get defined to specify the variable number of Color properties?

(See blue code below)

    "objects": {
        "dataPoint": {
            "displayName": "Data colors",
            "properties": {
                "ranges": {
                    "displayName": "Number of Ranges",
                    "type": {
                        "numeric": true
                    }
                },
                "colors": {
                    "displayName": "Color <x>",
                    "type": {
                        "fill": {
                            "solid": {
                                "color": true
                            }
                        }
                    }
                }
            }
        }
    },

Thanks in advance.

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Variable Format Options for Custom Visual