Merge branch 'release-0.3.0'

1 files changed, 0 insertions, 827 deletions

diff --git a/src/org/unitConverter/converterGUI/UnitConverterGUI.java b/src/org/unitConverter/converterGUI/UnitConverterGUI.java
deleted file mode 100755
index e258c6f..0000000
--- a/src/org/unitConverter/converterGUI/UnitConverterGUI.java
+++ /dev/null
@@ -1,827 +0,0 @@
-/**
- * Copyright (C) 2018 Adrien Hopkins
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-package org.unitConverter.converterGUI;
-
-import java.awt.BorderLayout;
-import java.awt.GridLayout;
-import java.io.File;
-import java.math.BigDecimal;
-import java.math.MathContext;
-import java.text.DecimalFormat;
-import java.util.ArrayList;
-import java.util.Comparator;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-import java.util.function.Predicate;
-
-import javax.swing.BorderFactory;
-import javax.swing.JButton;
-import javax.swing.JComboBox;
-import javax.swing.JFormattedTextField;
-import javax.swing.JFrame;
-import javax.swing.JLabel;
-import javax.swing.JOptionPane;
-import javax.swing.JPanel;
-import javax.swing.JSlider;
-import javax.swing.JTabbedPane;
-import javax.swing.JTextArea;
-import javax.swing.JTextField;
-
-import org.unitConverter.UnitsDatabase;
-import org.unitConverter.dimension.StandardDimensions;
-import org.unitConverter.dimension.UnitDimension;
-import org.unitConverter.unit.BaseUnit;
-import org.unitConverter.unit.NonlinearUnits;
-import org.unitConverter.unit.SI;
-import org.unitConverter.unit.Unit;
-import org.unitConverter.unit.UnitPrefix;
-
-/**
- * @author Adrien Hopkins
- * @since 2018-12-27
- * @since v0.1.0
- */
-final class UnitConverterGUI {
-	private static class Presenter {
-		/**
-		 * Adds default units and dimensions to a database.
-		 * 
-		 * @param database
-		 *            database to add to
-		 * @since 2019-04-14
-		 * @since v0.2.0
-		 */
-		private static void addDefaults(final UnitsDatabase database) {
-			database.addUnit("metre", SI.METRE);
-			database.addUnit("kilogram", SI.KILOGRAM);
-			database.addUnit("gram", SI.KILOGRAM.dividedBy(1000));
-			database.addUnit("second", SI.SECOND);
-			database.addUnit("ampere", SI.AMPERE);
-			database.addUnit("kelvin", SI.KELVIN);
-			database.addUnit("mole", SI.MOLE);
-			database.addUnit("candela", SI.CANDELA);
-			database.addUnit("bit", SI.SI.getBaseUnit(StandardDimensions.INFORMATION));
-			database.addUnit("unit", SI.SI.getBaseUnit(UnitDimension.EMPTY));
-			// nonlinear units - must be loaded manually
-			database.addUnit("tempCelsius", NonlinearUnits.CELSIUS);
-			database.addUnit("tempFahrenheit", NonlinearUnits.FAHRENHEIT);
-
-			// load initial dimensions
-			database.addDimension("LENGTH", StandardDimensions.LENGTH);
-			database.addDimension("MASS", StandardDimensions.MASS);
-			database.addDimension("TIME", StandardDimensions.TIME);
-			database.addDimension("TEMPERATURE", StandardDimensions.TEMPERATURE);
-		}
-
-		/** The presenter's associated view. */
-		private final View view;
-
-		/** The units known by the program. */
-		private final UnitsDatabase database;
-
-		/** The names of all of the units */
-		private final List<String> unitNames;
-
-		/** The names of all of the prefixes */
-		private final List<String> prefixNames;
-
-		/** The names of all of the dimensions */
-		private final List<String> dimensionNames;
-
-		private final Comparator<String> prefixNameComparator;
-
-		private int significantFigures = 6;
-
-		/**
-		 * Creates the presenter.
-		 * 
-		 * @param view
-		 *            presenter's associated view
-		 * @since 2018-12-27
-		 * @since v0.1.0
-		 */
-		Presenter(final View view) {
-			this.view = view;
-
-			// load initial units
-			this.database = new UnitsDatabase();
-			Presenter.addDefaults(this.database);
-
-			this.database.loadUnitsFile(new File("unitsfile.txt"));
-			this.database.loadDimensionFile(new File("dimensionfile.txt"));
-
-			// a comparator that can be used to compare prefix names
-			// any name that does not exist is less than a name that does.
-			// otherwise, they are compared by value
-			this.prefixNameComparator = (o1, o2) -> {
-				if (!Presenter.this.database.containsPrefixName(o1))
-					return -1;
-				else if (!Presenter.this.database.containsPrefixName(o2))
-					return 1;
-
-				final UnitPrefix p1 = Presenter.this.database.getPrefix(o1);
-				final UnitPrefix p2 = Presenter.this.database.getPrefix(o2);
-
-				if (p1.getMultiplier() < p2.getMultiplier())
-					return -1;
-				else if (p1.getMultiplier() > p2.getMultiplier())
-					return 1;
-
-				return o1.compareTo(o2);
-			};
-
-			this.unitNames = new ArrayList<>(this.database.unitMapPrefixless().keySet());
-			this.unitNames.sort(null); // sorts it using Comparable
-
-			this.prefixNames = new ArrayList<>(this.database.prefixMap().keySet());
-			this.prefixNames.sort(this.prefixNameComparator); // sorts it using my comparator
-
-			this.dimensionNames = new DelegateListModel<>(new ArrayList<>(this.database.dimensionMap().keySet()));
-			this.dimensionNames.sort(null); // sorts it using Comparable
-
-			// a Predicate that returns true iff the argument is a full base unit
-			final Predicate<Unit> isFullBase = unit -> unit instanceof BaseUnit && ((BaseUnit) unit).isFullBase();
-
-			// print out unit counts
-			System.out.printf("Successfully loaded %d units with %d unit names (%d base units).%n",
-					new HashSet<>(this.database.unitMapPrefixless().values()).size(),
-					this.database.unitMapPrefixless().size(),
-					new HashSet<>(this.database.unitMapPrefixless().values()).stream().filter(isFullBase).count());
-		}
-
-		/**
-		 * Converts in the dimension-based converter
-		 * 
-		 * @since 2019-04-13
-		 * @since v0.2.0
-		 */
-		public final void convertDimensionBased() {
-			final String fromSelection = this.view.getFromSelection();
-			if (fromSelection == null) {
-				this.view.showErrorDialog("Error", "No unit selected in From field");
-				return;
-			}
-			final String toSelection = this.view.getToSelection();
-			if (toSelection == null) {
-				this.view.showErrorDialog("Error", "No unit selected in To field");
-				return;
-			}
-
-			final Unit from = this.database.getUnit(fromSelection);
-			final Unit to = this.database.getUnit(toSelection);
-
-			final String input = this.view.getDimensionConverterInput();
-			if (input.equals("")) {
-				this.view.showErrorDialog("Error", "No value to convert entered.");
-				return;
-			}
-			final double beforeValue = Double.parseDouble(input);
-			final double value = to.convertFromBase(from.convertToBase(beforeValue));
-
-			final String output = this.getRoundedString(value);
-
-			this.view.setDimensionConverterOutputText(
-					String.format("%s %s = %s %s", input, fromSelection, output, toSelection));
-		}
-
-		/**
-		 * Runs whenever the convert button is pressed.
-		 * 
-		 * <p>
-		 * Reads and parses a unit expression from the from and to boxes, then converts {@code from} to {@code to}. Any
-		 * errors are shown in JOptionPanes.
-		 * </p>
-		 * 
-		 * @since 2019-01-26
-		 * @since v0.1.0
-		 */
-		public final void convertExpressions() {
-			final String fromUnitString = this.view.getFromText();
-			final String toUnitString = this.view.getToText();
-
-			if (fromUnitString.isEmpty()) {
-				this.view.showErrorDialog("Parse Error", "Please enter a unit expression in the From: box.");
-				return;
-			}
-			if (toUnitString.isEmpty()) {
-				this.view.showErrorDialog("Parse Error", "Please enter a unit expression in the To: box.");
-				return;
-			}
-
-			// try to parse from
-			final Unit from;
-			try {
-				from = this.database.getUnitFromExpression(fromUnitString);
-			} catch (final IllegalArgumentException e) {
-				this.view.showErrorDialog("Parse Error", "Could not recognize text in From entry: " + e.getMessage());
-				return;
-			}
-
-			final double value;
-			// try to parse to
-			final Unit to;
-			try {
-				if (this.database.containsUnitName(toUnitString)) {
-					// if it's a unit, convert to that
-					to = this.database.getUnit(toUnitString);
-				} else {
-					to = this.database.getUnitFromExpression(toUnitString);
-				}
-			} catch (final IllegalArgumentException e) {
-				this.view.showErrorDialog("Parse Error", "Could not recognize text in To entry: " + e.getMessage());
-				return;
-			}
-
-			// if I can't convert, leave
-			if (!from.canConvertTo(to)) {
-				this.view.showErrorDialog("Conversion Error",
-						String.format("Cannot convert between %s and %s", fromUnitString, toUnitString));
-				return;
-			}
-
-			value = to.convertFromBase(from.convertToBase(1));
-
-			// round value
-			final String output = this.getRoundedString(value);
-
-			this.view.setExpressionConverterOutputText(
-					String.format("%s = %s %s", fromUnitString, output, toUnitString));
-		}
-
-		/**
-		 * @return a list of all of the unit dimensions
-		 * @since 2019-04-13
-		 * @since v0.2.0
-		 */
-		public final List<String> dimensionNameList() {
-			return this.dimensionNames;
-		}
-
-		/**
-		 * @return a comparator to compare prefix names
-		 * @since 2019-04-14
-		 * @since v0.2.0
-		 */
-		public final Comparator<String> getPrefixNameComparator() {
-			return this.prefixNameComparator;
-		}
-
-		/**
-		 * @param value
-		 *            value to round
-		 * @return string of that value rounded to {@code significantDigits} significant digits.
-		 * @since 2019-04-14
-		 * @since v0.2.0
-		 */
-		private final String getRoundedString(final double value) {
-			// round value
-			final BigDecimal bigValue = new BigDecimal(value).round(new MathContext(this.significantFigures));
-			String output = bigValue.toString();
-
-			// remove trailing zeroes
-			if (output.contains(".")) {
-				while (output.endsWith("0")) {
-					output = output.substring(0, output.length() - 1);
-				}
-				if (output.endsWith(".")) {
-					output = output.substring(0, output.length() - 1);
-				}
-			}
-
-			return output;
-		}
-
-		/**
-		 * @return a set of all prefix names in the database
-		 * @since 2019-04-14
-		 * @since v0.2.0
-		 */
-		public final Set<String> prefixNameSet() {
-			return this.database.prefixMap().keySet();
-		}
-
-		/**
-		 * Runs whenever a prefix is selected in the viewer.
-		 * <p>
-		 * Shows its information in the text box to the right.
-		 * </p>
-		 * 
-		 * @since 2019-01-15
-		 * @since v0.1.0
-		 */
-		public final void prefixSelected() {
-			final String prefixName = this.view.getPrefixViewerSelection();
-			if (prefixName == null)
-				return;
-			else {
-				final UnitPrefix prefix = this.database.getPrefix(prefixName);
-
-				this.view.setPrefixTextBoxText(String.format("%s%nMultiplier: %s", prefixName, prefix.getMultiplier()));
-			}
-		}
-
-		/**
-		 * @param significantFigures
-		 *            new value of significantFigures
-		 * @since 2019-01-15
-		 * @since v0.1.0
-		 */
-		public final void setSignificantFigures(final int significantFigures) {
-			this.significantFigures = significantFigures;
-		}
-
-		/**
-		 * Returns true if and only if the unit represented by {@code unitName} has the dimension represented by
-		 * {@code dimensionName}.
-		 * 
-		 * @param unitName
-		 *            name of unit to test
-		 * @param dimensionName
-		 *            name of dimension to test
-		 * @return whether unit has dimenision
-		 * @since 2019-04-13
-		 * @since v0.2.0
-		 */
-		public final boolean unitMatchesDimension(final String unitName, final String dimensionName) {
-			final Unit unit = this.database.getUnit(unitName);
-			final UnitDimension dimension = this.database.getDimension(dimensionName);
-			return unit.getDimension().equals(dimension);
-		}
-
-		/**
-		 * Runs whenever a unit is selected in the viewer.
-		 * <p>
-		 * Shows its information in the text box to the right.
-		 * </p>
-		 * 
-		 * @since 2019-01-15
-		 * @since v0.1.0
-		 */
-		public final void unitNameSelected() {
-			final String unitName = this.view.getUnitViewerSelection();
-			if (unitName == null)
-				return;
-			else {
-				final Unit unit = this.database.getUnit(unitName);
-
-				this.view.setUnitTextBoxText(unit.toString());
-			}
-		}
-
-		/**
-		 * @return a set of all of the unit names
-		 * @since 2019-04-14
-		 * @since v0.2.0
-		 */
-		public final Set<String> unitNameSet() {
-			return this.database.unitMapPrefixless().keySet();
-		}
-	}
-
-	private static class View {
-		/** The view's frame. */
-		private final JFrame frame;
-		/** The view's associated presenter. */
-		private final Presenter presenter;
-
-		// DIMENSION-BASED CONVERTER
-		/** The panel for inputting values in the dimension-based converter */
-		private final JTextField valueInput;
-		/** The panel for "From" in the dimension-based converter */
-		private final SearchBoxList fromSearch;
-		/** The panel for "To" in the dimension-based converter */
-		private final SearchBoxList toSearch;
-		/** The output area in the dimension-based converter */
-		private final JTextArea dimensionBasedOutput;
-
-		// EXPRESSION-BASED CONVERTER
-		/** The "From" entry in the conversion panel */
-		private final JTextField fromEntry;
-		/** The "To" entry in the conversion panel */
-		private final JTextField toEntry;
-		/** The output area in the conversion panel */
-		private final JTextArea output;
-
-		// UNIT AND PREFIX VIEWERS
-		/** The searchable list of unit names in the unit viewer */
-		private final SearchBoxList unitNameList;
-		/** The searchable list of prefix names in the prefix viewer */
-		private final SearchBoxList prefixNameList;
-		/** The text box for unit data in the unit viewer */
-		private final JTextArea unitTextBox;
-		/** The text box for prefix data in the prefix viewer */
-		private final JTextArea prefixTextBox;
-
-		/**
-		 * Creates the {@code View}.
-		 * 
-		 * @since 2019-01-14
-		 * @since v0.1.0
-		 */
-		public View() {
-			this.presenter = new Presenter(this);
-			this.frame = new JFrame("Unit Converter");
-			this.frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-
-			// create the components
-			this.unitNameList = new SearchBoxList(this.presenter.unitNameSet());
-			this.prefixNameList = new SearchBoxList(this.presenter.prefixNameSet(),
-					this.presenter.getPrefixNameComparator(), true);
-			this.unitTextBox = new JTextArea();
-			this.prefixTextBox = new JTextArea();
-			this.fromSearch = new SearchBoxList(this.presenter.unitNameSet());
-			this.toSearch = new SearchBoxList(this.presenter.unitNameSet());
-			this.valueInput = new JFormattedTextField(new DecimalFormat("###############0.################"));
-			this.dimensionBasedOutput = new JTextArea(2, 32);
-			this.fromEntry = new JTextField();
-			this.toEntry = new JTextField();
-			this.output = new JTextArea(2, 32);
-
-			// create more components
-			this.initComponents();
-
-			this.frame.pack();
-		}
-
-		/**
-		 * @return value in dimension-based converter
-		 * @since 2019-04-13
-		 * @since v0.2.0
-		 */
-		public String getDimensionConverterInput() {
-			return this.valueInput.getText();
-		}
-
-		/**
-		 * @return selection in "From" selector in dimension-based converter
-		 * @since 2019-04-13
-		 * @since v0.2.0
-		 */
-		public String getFromSelection() {
-			return this.fromSearch.getSelectedValue();
-		}
-
-		/**
-		 * @return text in "From" box in converter panel
-		 * @since 2019-01-15
-		 * @since v0.1.0
-		 */
-		public String getFromText() {
-			return this.fromEntry.getText();
-		}
-
-		/**
-		 * @return index of selected prefix in prefix viewer
-		 * @since 2019-01-15
-		 * @since v0.1.0
-		 */
-		public String getPrefixViewerSelection() {
-			return this.prefixNameList.getSelectedValue();
-		}
-
-		/**
-		 * @return selection in "To" selector in dimension-based converter
-		 * @since 2019-04-13
-		 * @since v0.2.0
-		 */
-		public String getToSelection() {
-			return this.toSearch.getSelectedValue();
-		}
-
-		/**
-		 * @return text in "To" box in converter panel
-		 * @since 2019-01-26
-		 * @since v0.1.0
-		 */
-		public String getToText() {
-			return this.toEntry.getText();
-		}
-
-		/**
-		 * @return index of selected unit in unit viewer
-		 * @since 2019-01-15
-		 * @since v0.1.0
-		 */
-		public String getUnitViewerSelection() {
-			return this.unitNameList.getSelectedValue();
-		}
-
-		/**
-		 * Starts up the application.
-		 * 
-		 * @since 2018-12-27
-		 * @since v0.1.0
-		 */
-		public final void init() {
-			this.frame.setVisible(true);
-		}
-
-		/**
-		 * Initializes the view's components.
-		 * 
-		 * @since 2018-12-27
-		 * @since v0.1.0
-		 */
-		private final void initComponents() {
-			final JPanel masterPanel = new JPanel();
-			this.frame.add(masterPanel);
-
-			masterPanel.setLayout(new BorderLayout());
-
-			{ // pane with all of the tabs
-				final JTabbedPane masterPane = new JTabbedPane();
-				masterPanel.add(masterPane, BorderLayout.CENTER);
-
-				{ // a panel for unit conversion using a selector
-					final JPanel convertUnitPanel = new JPanel();
-					masterPane.addTab("Convert Units", convertUnitPanel);
-
-					convertUnitPanel.setLayout(new BorderLayout());
-
-					{ // panel for input part
-						final JPanel inputPanel = new JPanel();
-						convertUnitPanel.add(inputPanel, BorderLayout.CENTER);
-
-						inputPanel.setLayout(new GridLayout(1, 3));
-
-						final JComboBox<String> dimensionSelector = new JComboBox<>(
-								this.presenter.dimensionNameList().toArray(new String[0]));
-						dimensionSelector.setSelectedItem("LENGTH");
-
-						// handle dimension filter
-						final MutablePredicate<String> dimensionFilter = new MutablePredicate<>(s -> true);
-
-						// panel for From things
-						inputPanel.add(this.fromSearch);
-
-						this.fromSearch.addSearchFilter(dimensionFilter);
-
-						{ // for dimension selector and arrow that represents conversion
-							final JPanel inBetweenPanel = new JPanel();
-							inputPanel.add(inBetweenPanel);
-
-							inBetweenPanel.setLayout(new BorderLayout());
-
-							{ // dimension selector
-								inBetweenPanel.add(dimensionSelector, BorderLayout.PAGE_START);
-							}
-
-							{ // the arrow in the middle
-								final JLabel arrowLabel = new JLabel("->");
-								inBetweenPanel.add(arrowLabel, BorderLayout.CENTER);
-							}
-						}
-
-						// panel for To things
-
-						inputPanel.add(this.toSearch);
-
-						this.toSearch.addSearchFilter(dimensionFilter);
-
-						// code for dimension filter
-						dimensionSelector.addItemListener(e -> {
-							dimensionFilter.setPredicate(string -> View.this.presenter.unitMatchesDimension(string,
-									(String) dimensionSelector.getSelectedItem()));
-							this.fromSearch.reapplyFilter();
-							this.toSearch.reapplyFilter();
-						});
-
-						// apply the item listener once because I have a default selection
-						dimensionFilter.setPredicate(string -> View.this.presenter.unitMatchesDimension(string,
-								(String) dimensionSelector.getSelectedItem()));
-						this.fromSearch.reapplyFilter();
-						this.toSearch.reapplyFilter();
-					}
-
-					{ // panel for submit and output, and also value entry
-						final JPanel outputPanel = new JPanel();
-						convertUnitPanel.add(outputPanel, BorderLayout.PAGE_END);
-
-						outputPanel.setLayout(new GridLayout(3, 1));
-
-						{ // unit input
-							final JPanel valueInputPanel = new JPanel();
-							outputPanel.add(valueInputPanel);
-
-							valueInputPanel.setLayout(new BorderLayout());
-
-							{ // prompt
-								final JLabel valuePrompt = new JLabel("Value to convert: ");
-								valueInputPanel.add(valuePrompt, BorderLayout.LINE_START);
-							}
-
-							{ // value to convert
-								valueInputPanel.add(this.valueInput, BorderLayout.CENTER);
-							}
-						}
-
-						{ // button to convert
-							final JButton convertButton = new JButton("Convert");
-							outputPanel.add(convertButton);
-
-							convertButton.addActionListener(e -> this.presenter.convertDimensionBased());
-						}
-
-						{ // output of conversion
-							outputPanel.add(this.dimensionBasedOutput);
-							this.dimensionBasedOutput.setEditable(false);
-						}
-					}
-				}
-
-				{ // panel for unit conversion using expressions
-					final JPanel convertExpressionPanel = new JPanel();
-					masterPane.addTab("Convert Unit Expressions", convertExpressionPanel);
-
-					convertExpressionPanel.setLayout(new GridLayout(5, 1));
-
-					{ // panel for units to convert from
-						final JPanel fromPanel = new JPanel();
-						convertExpressionPanel.add(fromPanel);
-
-						fromPanel.setBorder(BorderFactory.createTitledBorder("From"));
-						fromPanel.setLayout(new GridLayout(1, 1));
-
-						{ // entry for units
-							fromPanel.add(this.fromEntry);
-						}
-					}
-
-					{ // panel for units to convert to
-						final JPanel toPanel = new JPanel();
-						convertExpressionPanel.add(toPanel);
-
-						toPanel.setBorder(BorderFactory.createTitledBorder("To"));
-						toPanel.setLayout(new GridLayout(1, 1));
-
-						{ // entry for units
-							toPanel.add(this.toEntry);
-						}
-					}
-
-					{ // button to convert
-						final JButton convertButton = new JButton("Convert!");
-						convertExpressionPanel.add(convertButton);
-
-						convertButton.addActionListener(e -> this.presenter.convertExpressions());
-					}
-
-					{ // output of conversion
-						final JPanel outputPanel = new JPanel();
-						convertExpressionPanel.add(outputPanel);
-
-						outputPanel.setBorder(BorderFactory.createTitledBorder("Output"));
-						outputPanel.setLayout(new GridLayout(1, 1));
-
-						{ // output
-							outputPanel.add(this.output);
-							this.output.setEditable(false);
-						}
-					}
-
-					{ // panel for specifying precision
-						final JPanel sigDigPanel = new JPanel();
-						convertExpressionPanel.add(sigDigPanel);
-
-						sigDigPanel.setBorder(BorderFactory.createTitledBorder("Significant Digits"));
-
-						{ // slider
-							final JSlider sigDigSlider = new JSlider(0, 12);
-							sigDigPanel.add(sigDigSlider);
-
-							sigDigSlider.setMajorTickSpacing(4);
-							sigDigSlider.setMinorTickSpacing(1);
-							sigDigSlider.setSnapToTicks(true);
-							sigDigSlider.setPaintTicks(true);
-							sigDigSlider.setPaintLabels(true);
-
-							sigDigSlider.addChangeListener(
-									e -> this.presenter.setSignificantFigures(sigDigSlider.getValue()));
-						}
-					}
-				}
-
-				{ // panel to look up units
-					final JPanel unitLookupPanel = new JPanel();
-					masterPane.addTab("Unit Viewer", unitLookupPanel);
-
-					unitLookupPanel.setLayout(new GridLayout());
-
-					{ // search panel
-						unitLookupPanel.add(this.unitNameList);
-
-						this.unitNameList.getSearchList()
-								.addListSelectionListener(e -> this.presenter.unitNameSelected());
-					}
-
-					{ // the text box for unit's toString
-						unitLookupPanel.add(this.unitTextBox);
-						this.unitTextBox.setEditable(false);
-						this.unitTextBox.setLineWrap(true);
-					}
-				}
-
-				{ // panel to look up prefixes
-					final JPanel prefixLookupPanel = new JPanel();
-					masterPane.addTab("Prefix Viewer", prefixLookupPanel);
-
-					prefixLookupPanel.setLayout(new GridLayout(1, 2));
-
-					{ // panel for listing and seaching
-						prefixLookupPanel.add(this.prefixNameList);
-
-						this.prefixNameList.getSearchList()
-								.addListSelectionListener(e -> this.presenter.prefixSelected());
-					}
-
-					{ // the text box for prefix's toString
-						prefixLookupPanel.add(this.prefixTextBox);
-						this.prefixTextBox.setEditable(false);
-						this.prefixTextBox.setLineWrap(true);
-					}
-				}
-			}
-		}
-
-		/**
-		 * Sets the text in the output of the dimension-based converter.
-		 * 
-		 * @param text
-		 *            text to set
-		 * @since 2019-04-13
-		 * @since v0.2.0
-		 */
-		public void setDimensionConverterOutputText(final String text) {
-			this.dimensionBasedOutput.setText(text);
-		}
-
-		/**
-		 * Sets the text in the output of the conversion panel.
-		 * 
-		 * @param text
-		 *            text to set
-		 * @since 2019-01-15
-		 * @since v0.1.0
-		 */
-		public void setExpressionConverterOutputText(final String text) {
-			this.output.setText(text);
-		}
-
-		/**
-		 * Sets the text of the prefix text box in the prefix viewer.
-		 * 
-		 * @param text
-		 *            text to set
-		 * @since 2019-01-15
-		 * @since v0.1.0
-		 */
-		public void setPrefixTextBoxText(final String text) {
-			this.prefixTextBox.setText(text);
-		}
-
-		/**
-		 * Sets the text of the unit text box in the unit viewer.
-		 * 
-		 * @param text
-		 *            text to set
-		 * @since 2019-01-15
-		 * @since v0.1.0
-		 */
-		public void setUnitTextBoxText(final String text) {
-			this.unitTextBox.setText(text);
-		}
-
-		/**
-		 * Shows an error dialog.
-		 * 
-		 * @param title
-		 *            title of dialog
-		 * @param message
-		 *            message in dialog
-		 * @since 2019-01-14
-		 * @since v0.1.0
-		 */
-		public void showErrorDialog(final String title, final String message) {
-			JOptionPane.showMessageDialog(this.frame, message, title, JOptionPane.ERROR_MESSAGE);
-		}
-	}
-
-	public static void main(final String[] args) {
-		new View().init();
-	}
-}