Package org.unitConverter.converterGUI

Class UnitConverterGUI.Presenter

  • Enclosing class:
    UnitConverterGUI
    private static class UnitConverterGUI.Presenter
extends java.lang.Object

    • Field Detail

      • database

        private final UnitDatabase database
        The units known by the program.

      • unitNames

        private final java.util.List<java.lang.String> unitNames
        The names of all of the units

      • prefixNames

        private final java.util.List<java.lang.String> prefixNames
        The names of all of the prefixes

      • dimensionNames

        private final java.util.List<java.lang.String> dimensionNames
        The names of all of the dimensions

      • prefixNameComparator

        private final java.util.Comparator<java.lang.String> prefixNameComparator

      • significantFigures

        private int significantFigures

    • Constructor Detail

      • Presenter

        Presenter​(UnitConverterGUI.View view)
        Creates the presenter.
        Parameters:
        view - presenter's associated view
        Since:
        2018-12-27, v0.1.0

    • Method Detail

      • addDefaults

        private static void addDefaults​(UnitDatabase database)
        Adds default units and dimensions to a database.
        Parameters:
        database - database to add to
        Since:
        2019-04-14, v0.2.0

      • convertDimensionBased

        public final void convertDimensionBased()
        Converts in the dimension-based converter
        Since:
        2019-04-13, v0.2.0

      • convertExpressions

        public final void convertExpressions()
        Runs whenever the convert button is pressed.

        Reads and parses a unit expression from the from and to boxes, then converts from to to. Any errors are shown in JOptionPanes.

        Since:
        2019-01-26, v0.1.0

      • dimensionNameList

        public final java.util.List<java.lang.String> dimensionNameList()
        Returns:
        a list of all of the unit dimensions
        Since:
        2019-04-13, v0.2.0

      • getPrefixNameComparator

        public final java.util.Comparator<java.lang.String> getPrefixNameComparator()
        Returns:
        a comparator to compare prefix names
        Since:
        2019-04-14, v0.2.0

      • getRoundedString

        private final java.lang.String getRoundedString​(double value)
        Parameters:
        value - value to round
        Returns:
        string of that value rounded to significantDigits significant digits.
        Since:
        2019-04-14, v0.2.0

      • prefixNameSet

        public final java.util.Set<java.lang.String> prefixNameSet()
        Returns:
        a set of all prefix names in the database
        Since:
        2019-04-14, v0.2.0

      • prefixSelected

        public final void prefixSelected()
        Runs whenever a prefix is selected in the viewer.

        Shows its information in the text box to the right.

        Since:
        2019-01-15, v0.1.0

      • setSignificantFigures

        public final void setSignificantFigures​(int significantFigures)
        Parameters:
        significantFigures - new value of significantFigures
        Since:
        2019-01-15, v0.1.0

      • unitMatchesDimension

        public final boolean unitMatchesDimension​(java.lang.String unitName,
                                          java.lang.String dimensionName)
        Returns true if and only if the unit represented by unitName has the dimension represented by dimensionName.
        Parameters:
        unitName - name of unit to test
        dimensionName - name of dimension to test
        Returns:
        whether unit has dimenision
        Since:
        2019-04-13, v0.2.0

      • unitNameSelected

        public final void unitNameSelected()
        Runs whenever a unit is selected in the viewer.

        Shows its information in the text box to the right.

        Since:
        2019-01-15, v0.1.0

      • unitNameSet

        public final java.util.Set<java.lang.String> unitNameSet()
        Returns:
        a set of all of the unit names
        Since:
        2019-04-14, v0.2.0