Package uk.ac.starlink.ttools.plot2.config

Class DoubleArrayConfigKey

  • public class DoubleArrayConfigKey
extends ConfigKey<double[]>
    Config key for a list of floating point values.
    Since:
    9 Jan 2017
    Author:
    Mark Taylor

    • Constructor Detail

      • DoubleArrayConfigKey

        public DoubleArrayConfigKey​(ConfigMeta meta,
                            double[] dflt)
        Constructor.
        Parameters:
        meta - metadata
        dflt - default value

    • Method Detail

      • valueToString

        public java.lang.String valueToString​(double[] dvals)
        Description copied from class: ConfigKey
        Reports a value as a string. If at all possible the roundtripping should be possible, so stringToValue(valueToString(v)).equals(v). A null value, if permitted, should be represented as an empty string.
        Specified by:
        valueToString in class ConfigKey<double[]>
        Parameters:
        dvals - possible value associated with this key
        Returns:
        string representation

      • stringToValue

        public double[] stringToValue​(java.lang.String txt)
                       throws ConfigException
        Description copied from class: ConfigKey
        Decodes a string value to the value type of this key. An empty string should be interpreted as a null value, but this may cause an exception if null is not a permissible value for this key.
        Specified by:
        stringToValue in class ConfigKey<double[]>
        Parameters:
        txt - string representation of value
        Returns:
        value
        Throws:
        ConfigException

      • createSpecifier

        public Specifier<double[]> createSpecifier()
        Description copied from class: ConfigKey
        Constructs a graphical control with which the user can specify a suitable value for association with this key.
        Specified by:
        createSpecifier in class ConfigKey<double[]>
        Returns:
        new specifier