.gitignore

@@ -1,45 +1,5 @@
-.vscode
+# Ignore Gradle project-specific cache directory
 .gradle
-**/build/
-!src/**/build/
 
-**/bin
+# Ignore Gradle build output directory
-
+build
-# Ignore Gradle GUI config
-gradle-app.setting
-
-# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
-!gradle-wrapper.jar
-
-# Avoid ignore Gradle wrappper properties
-!gradle-wrapper.properties
-
-# Cache of project
-.gradletasknamecache
-
-# Eclipse Gradle plugin generated files
-# Eclipse Core
-.project
-# JDT-specific (Eclipse Java Development Tools)
-.classpath
-
-# Compiled class file
-*.class
-
-# Log file
-*.log
-
-# Package Files #
-*.jar
-*.war
-*.nar
-*.ear
-*.zip
-*.tar.gz
-*.rar
-
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
-replay_pid*
-
-*.minisig

app/src/main/java/expr/Add.java

@@ -1,18 +0,0 @@
-package expr;
-
-class Add extends BinaryExpr {
-
-    Add(Expr expr1, Expr expr2) {
-        super(expr1, expr2);
-        precedence1 = 0;
-        precedence2 = 0;
-    }
-
-    public double op(double op1, double op2) {
-        return op1 + op2;
-    }
-
-    protected String opString() {
-        return "+";
-    }
-}

app/src/main/java/expr/BinaryExpr.java

@@ -1,37 +0,0 @@
-package expr;
-
-abstract class BinaryExpr extends Expr {
-
-    private Expr expr1;
-    private Expr expr2;
-    protected int precedence1;
-    protected int precedence2;
-
-    protected BinaryExpr(Expr expr1, Expr expr2) {
-        this.expr1 = expr1;
-        this.expr2 = expr2;
-    }
-
-    protected abstract double op(double op1, double op2);
-
-    protected abstract String opString();
-
-    public String toString(int prec) {
-        StringBuilder builder = new StringBuilder();
-        boolean parentheses = prec > precedence1;
-        if (parentheses) {
-            builder.append('(');
-        }
-        builder.append(expr1.toString(precedence1));
-        builder.append(opString());
-        builder.append(expr2.toString(precedence2));
-        if (parentheses) {
-            builder.append(')');
-        }
-        return builder.toString();
-    }
-
-    public double value(Environment env) {
-        return op(expr1.value(env), expr2.value(env));
-    }
-}

app/src/main/java/expr/Div.java

@@ -1,21 +0,0 @@
-package expr;
-
-import util.XLException;
-
-class Div extends BinaryExpr {
-
-    Div(Expr expr1, Expr expr2) {
-        super(expr1, expr2);
-        precedence1 = 1;
-        precedence2 = 2;
-    }
-
-    public double op(double op1, double op2) {
-        if (op2 != 0) return op1 / op2;
-        else throw new XLException("division by zero");
-    }
-
-    protected String opString() {
-        return "/";
-    }
-}

app/src/main/java/expr/Environment.java

@@ -1,6 +0,0 @@
-package expr;
-
-public interface Environment {
-
-    public double value(String name);
-}

app/src/main/java/expr/Expr.java

@@ -1,38 +0,0 @@
-package expr;
-
-/**
- * An <code>Expr</code> object represents a real valued expression that may contain variables. The
- * value of a variable is obtained from an <code>Environment</code> object by specifying the name of
- * the variable.
- *
- * @see Environment
- * @author Lennart Andersson
- */
-public abstract class Expr {
-
-    /**
-     * The <code>toString</code> method returns a <code>String</code> representation of this
-     * expression without unnecessary parentheses.
-     *
-     * @return the <code>String</code> representation of this expression.
-     */
-    public String toString() {
-        return toString(0);
-    }
-
-    /*
-     * toString(prec) returns a string representation of this expression without
-     * unnecessary parentheses. The prec argument specifies the precedence level
-     * enclosing expression and is used to control the precedence of
-     * parentheses.
-     */
-    public abstract String toString(int prec);
-
-    /**
-     * The <code>value</code> method returns the value of this expression.
-     *
-     * @param env is the <code>Environment</code> containing the values of variables.
-     * @return the <code>double</code> value of this expression.
-     */
-    public abstract double value(Environment env);
-}

app/src/main/java/expr/ExprParser.java

@@ -1,136 +0,0 @@
-package expr;
-
-import java.io.IOException;
-import java.io.Reader;
-import java.io.StreamTokenizer;
-import java.io.StringReader;
-import java.util.regex.Pattern;
-import util.XLException;
-
-/**
- * An <code>ExprParser</code> object is a parser provides a factory method for building <code>Expr
- * </code> objects from text representations of arithmetic expressions. The text containing the
- * expression should adhere to the following grammar.
- *
- * <pre>
- *
- *
- *
- *    expr ::= term {addop term}
- *    term ::= factor {mulop factor}
- *    factor ::= number | variable | &quot;(&quot; expr &quot;)&quot;
- *    addop ::= &quot;+&quot; | &quot;-&quot;
- *    mulop ::= &quot;*&quot; | &quot;/&quot;
- *
- *
- *
- * </pre>
- *
- * where <code>number</code> is an unsigned number according to <code>StreamTokenizer</code> and
- * <code>variable</code> is a string of letters and digits. The first character must be a letter.
- *
- * @see Expr
- * @see StreamTokenizer
- * @author Lennart Andersson
- */
-public class ExprParser {
-
-    private int token;
-    private StreamTokenizer tokenizer;
-
-    /**
-     * The <code>build</code> method returns an <code>Expr</code> representation of the expression
-     * provided by <code>reader</code>.
-     *
-     * @param reader a <code>Reader</code> provided the string to be parsed.
-     * @return an <code>Expr</code> representation of the string.
-     * @exception IOException if the <code>reader</code> does not deliver data.
-     * @exception ExprParserException if the reader input violates the grammar.
-     */
-    public Expr build(Reader reader) throws IOException {
-        tokenizer = new StreamTokenizer(reader);
-        tokenizer.ordinaryChar('-');
-        tokenizer.ordinaryChar('/');
-        token = tokenizer.nextToken();
-        Expr e = expr();
-        if (token == StreamTokenizer.TT_EOF) return e;
-        else throw new XLException("trailing garbage");
-    }
-
-    /**
-     * The <code>build</code> method returns an <code>Expr</code> representation of the expression
-     * provided by the <code>input</code> string.
-     *
-     * @param input the <code>String</code> to be parsed.
-     * @return an <code>Expr</code> representation of the string.
-     * @exception IOException if the <code>input</code> does not deliver data.
-     * @exception XLException if the input violates the grammar.
-     */
-    public Expr build(String input) throws IOException {
-        return build(new StringReader(input));
-    }
-
-    private Expr expr() throws IOException {
-        Expr result, term;
-        result = term();
-        while (token == '+' || token == '-') {
-            int op = token;
-            token = tokenizer.nextToken();
-            term = term();
-            switch (op) {
-                case '+':
-                    result = new Add(result, term);
-                    break;
-                case '-':
-                    result = new Sub(result, term);
-                    break;
-            }
-        }
-        return result;
-    }
-
-    private Expr factor() throws IOException {
-        Expr e;
-        switch (token) {
-            case '(':
-                token = tokenizer.nextToken();
-                e = expr();
-                if (token != ')') throw new XLException("expecting \")\", found: " + token);
-                token = tokenizer.nextToken();
-                return e;
-            case StreamTokenizer.TT_NUMBER:
-                double x = tokenizer.nval;
-                token = tokenizer.nextToken();
-                return new Num(x);
-            case StreamTokenizer.TT_WORD:
-                String address = tokenizer.sval.toUpperCase();
-                if (!Pattern.matches("[A-Z][0-9]+", address))
-                    throw new XLException("illegal address: " + address);
-                token = tokenizer.nextToken();
-                return new Variable(address);
-            case StreamTokenizer.TT_EOF:
-                throw new XLException("unexpected end of text");
-            default:
-                throw new XLException("unexpected " + (char) token);
-        }
-    }
-
-    private Expr term() throws IOException {
-        Expr result, factor;
-        result = factor();
-        while (token == '*' || token == '/') {
-            int op = token;
-            token = tokenizer.nextToken();
-            factor = factor();
-            switch (op) {
-                case '*':
-                    result = new Mul(result, factor);
-                    break;
-                case '/':
-                    result = new Div(result, factor);
-                    break;
-            }
-        }
-        return result;
-    }
-}

app/src/main/java/expr/Mul.java

@@ -1,18 +0,0 @@
-package expr;
-
-class Mul extends BinaryExpr {
-
-    Mul(Expr expr1, Expr expr2) {
-        super(expr1, expr2);
-        precedence1 = 1;
-        precedence2 = 1;
-    }
-
-    public double op(double op1, double op2) {
-        return op1 * op2;
-    }
-
-    protected String opString() {
-        return "*";
-    }
-}

app/src/main/java/expr/Num.java

@@ -1,21 +0,0 @@
-package expr;
-
-import util.NumberAdjustment;
-
-class Num extends Expr {
-
-    private static NumberAdjustment adjustment = new NumberAdjustment(0, 2);
-    private double value;
-
-    Num(double value) {
-        this.value = value;
-    }
-
-    public String toString(int prec) {
-        return adjustment.right(value);
-    }
-
-    public double value(Environment env) {
-        return value;
-    }
-}

app/src/main/java/expr/Sub.java

@@ -1,18 +0,0 @@
-package expr;
-
-class Sub extends BinaryExpr {
-
-    Sub(Expr expr1, Expr expr2) {
-        super(expr1, expr2);
-        precedence1 = 0;
-        precedence2 = 1;
-    }
-
-    public double op(double op1, double op2) {
-        return op1 - op2;
-    }
-
-    protected String opString() {
-        return "-";
-    }
-}

app/src/main/java/expr/TestExpr.java

@@ -1,30 +0,0 @@
-package expr;
-
-import java.io.IOException;
-
-public class TestExpr {
-
-    public static void main(String[] args) {
-        ExprParser parser = new ExprParser();
-        try {
-            Expr expr = parser.build("1+2*3");
-            System.out.println(expr);
-            System.out.println(expr.value(null));
-            expr = parser.build("A3+A2*A1");
-            Environment env =
-                    new Environment() {
-                        public double value(String name) {
-                            if (name.equals("A3")) return 1;
-                            if (name.equals("A2")) return 2;
-                            if (name.equals("A1")) return 3;
-                            System.out.println(name + " is undefined");
-                            return 0;
-                        }
-                    };
-            System.out.println(expr);
-            System.out.println(expr.value(env));
-        } catch (IOException e) {
-            System.err.println(e.getMessage());
-        }
-    }
-}

app/src/main/java/expr/Variable.java

@@ -1,18 +0,0 @@
-package expr;
-
-class Variable extends Expr {
-
-    private String name;
-
-    Variable(String name) {
-        this.name = name;
-    }
-
-    public String toString(int prec) {
-        return name.toString();
-    }
-
-    public double value(Environment env) {
-        return env.value(name);
-    }
-}

app/src/main/java/gui/BorderPanel.java

@@ -1,13 +0,0 @@
-package gui;
-
-import java.awt.BorderLayout;
-import java.awt.Color;
-import javax.swing.JPanel;
-
-public class BorderPanel extends JPanel {
-
-    protected BorderPanel() {
-        super(new BorderLayout(2, 2));
-        setBackground(Color.BLACK);
-    }
-}

app/src/main/java/gui/ColoredLabel.java

@@ -1,22 +0,0 @@
-package gui;
-
-import java.awt.Color;
-import javax.swing.JLabel;
-import javax.swing.SwingConstants;
-
-public class ColoredLabel extends JLabel {
-
-    public ColoredLabel(String text) {
-        this(text, Color.WHITE, SwingConstants.LEFT);
-    }
-
-    public ColoredLabel(String text, Color color) {
-        this(text, color, SwingConstants.LEFT);
-    }
-
-    public ColoredLabel(String text, Color color, int alignment) {
-        super(text, alignment);
-        setBackground(color);
-        setOpaque(true);
-    }
-}

app/src/main/java/gui/CurrentLabel.java

@@ -1,10 +0,0 @@
-package gui;
-
-import java.awt.Color;
-
-public class CurrentLabel extends ColoredLabel {
-
-    public CurrentLabel() {
-        super("A1", Color.WHITE);
-    }
-}

app/src/main/java/gui/Editor.java

@@ -1,11 +0,0 @@
-package gui;
-
-import java.awt.Color;
-import javax.swing.JTextField;
-
-public class Editor extends JTextField {
-
-    public Editor() {
-        setBackground(Color.WHITE);
-    }
-}

app/src/main/java/gui/GridPanel.java

@@ -1,13 +0,0 @@
-package gui;
-
-import java.awt.Color;
-import java.awt.GridLayout;
-import javax.swing.JPanel;
-
-public class GridPanel extends JPanel {
-
-    public GridPanel(int rows, int columns) {
-        super(new GridLayout(rows, columns, 2, 2));
-        setBackground(Color.BLACK);
-    }
-}

app/src/main/java/gui/RowLabels.java

@@ -1,15 +0,0 @@
-package gui;
-
-import static java.awt.Color.LIGHT_GRAY;
-import static javax.swing.SwingConstants.RIGHT;
-
-class RowLabels extends GridPanel {
-
-    RowLabels(int rows) {
-        super(rows + 1, 1);
-        add(new ColoredLabel("", LIGHT_GRAY, RIGHT));
-        for (int i = 1; i <= rows; i++) {
-            add(new ColoredLabel(String.valueOf(i), LIGHT_GRAY, RIGHT));
-        }
-    }
-}

app/src/main/java/gui/SheetPanel.java

@@ -1,12 +0,0 @@
-package gui;
-
-import static java.awt.BorderLayout.CENTER;
-import static java.awt.BorderLayout.WEST;
-
-public class SheetPanel extends BorderPanel {
-
-    public SheetPanel(int rows, int columns) {
-        add(WEST, new RowLabels(rows));
-        add(CENTER, new SlotLabels(rows, columns));
-    }
-}

app/src/main/java/gui/SlotLabel.java

@@ -1,10 +0,0 @@
-package gui;
-
-import java.awt.Color;
-
-public class SlotLabel extends ColoredLabel {
-
-    public SlotLabel() {
-        super("                    ", Color.WHITE, RIGHT);
-    }
-}

app/src/main/java/gui/SlotLabels.java

@@ -1,28 +0,0 @@
-package gui;
-
-import java.awt.Color;
-import java.util.ArrayList;
-import java.util.List;
-import javax.swing.SwingConstants;
-
-public class SlotLabels extends GridPanel {
-
-    private List<SlotLabel> labelList;
-
-    public SlotLabels(int rows, int cols) {
-        super(rows + 1, cols);
-        labelList = new ArrayList<SlotLabel>(rows * cols);
-        for (char ch = 'A'; ch < 'A' + cols; ch++) {
-            add(new ColoredLabel(Character.toString(ch), Color.LIGHT_GRAY, SwingConstants.CENTER));
-        }
-        for (int row = 1; row <= rows; row++) {
-            for (char ch = 'A'; ch < 'A' + cols; ch++) {
-                SlotLabel label = new SlotLabel();
-                add(label);
-                labelList.add(label);
-            }
-        }
-        SlotLabel firstLabel = labelList.get(0);
-        firstLabel.setBackground(Color.YELLOW);
-    }
-}

app/src/main/java/gui/StatusLabel.java

@@ -1,16 +0,0 @@
-package gui;
-
-import java.awt.Color;
-import java.util.Observable;
-import java.util.Observer;
-
-public class StatusLabel extends ColoredLabel implements Observer {
-
-    public StatusLabel() {
-        super("", Color.WHITE);
-    }
-
-    public void update(Observable observable, Object object) {
-        setText("");
-    }
-}

app/src/main/java/gui/StatusPanel.java

@@ -1,12 +0,0 @@
-package gui;
-
-import static java.awt.BorderLayout.CENTER;
-import static java.awt.BorderLayout.WEST;
-
-public class StatusPanel extends BorderPanel {
-
-    protected StatusPanel(StatusLabel statusLabel) {
-        add(WEST, new CurrentLabel());
-        add(CENTER, statusLabel);
-    }
-}

app/src/main/java/gui/XL.java

@@ -1,49 +0,0 @@
-package gui;
-
-import static java.awt.BorderLayout.CENTER;
-import static java.awt.BorderLayout.NORTH;
-import static java.awt.BorderLayout.SOUTH;
-
-import javax.swing.JFrame;
-import javax.swing.JPanel;
-import gui.menu.XLMenuBar;
-
-public class XL extends JFrame {
-
-    private static final int ROWS = 10, COLUMNS = 8;
-    private XLCounter counter;
-    private StatusLabel statusLabel = new StatusLabel();
-    private XLList xlList;
-
-    public XL(XL oldXL) {
-        this(oldXL.xlList, oldXL.counter);
-    }
-
-    public XL(XLList xlList, XLCounter counter) {
-        super("Untitled-" + counter);
-        this.xlList = xlList;
-        this.counter = counter;
-        xlList.add(this);
-        counter.increment();
-        JPanel statusPanel = new StatusPanel(statusLabel);
-        JPanel sheetPanel = new SheetPanel(ROWS, COLUMNS);
-        Editor editor = new Editor();
-        add(NORTH, statusPanel);
-        add(CENTER, editor);
-        add(SOUTH, sheetPanel);
-        setJMenuBar(new XLMenuBar(this, xlList, statusLabel));
-        pack();
-        setDefaultCloseOperation(EXIT_ON_CLOSE);
-        setResizable(false);
-        setVisible(true);
-    }
-
-    public void rename(String title) {
-        setTitle(title);
-        xlList.setChanged();
-    }
-
-    public static void main(String[] args) {
-        new XL(new XLList(), new XLCounter());
-    }
-}

app/src/main/java/gui/XLCounter.java

@@ -1,14 +0,0 @@
-package gui;
-
-public class XLCounter {
-
-    private int counter;
-
-    public void increment() {
-        counter++;
-    }
-
-    public String toString() {
-        return Integer.toString(counter);
-    }
-}

app/src/main/java/gui/XLList.java

@@ -1,40 +0,0 @@
-package gui;
-
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Observable;
-
-public class XLList extends Observable implements Iterable<XL> {
-
-    private List<XL> list = new ArrayList<XL>();
-
-    public void add(XL xl) {
-        list.add(xl);
-        setChanged();
-        notifyObservers();
-    }
-
-    public boolean isEmpty() {
-        return list.isEmpty();
-    }
-
-    public Iterator<XL> iterator() {
-        return list.iterator();
-    }
-
-    public XL last() {
-        return list.get(list.size() - 1);
-    }
-
-    public void remove(XL xl) {
-        list.remove(xl);
-        setChanged();
-        notifyObservers();
-    }
-
-    public void setChanged() {
-        super.setChanged();
-        notifyObservers();
-    }
-}

app/src/main/java/gui/menu/ClearAllMenuItem.java

@@ -1,17 +0,0 @@
-package gui.menu;
-
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import javax.swing.JMenuItem;
-
-class ClearAllMenuItem extends JMenuItem implements ActionListener {
-
-    public ClearAllMenuItem() {
-        super("Clear all");
-        addActionListener(this);
-    }
-
-    public void actionPerformed(ActionEvent e) {
-        // TODO
-    }
-}

app/src/main/java/gui/menu/ClearMenuItem.java

@@ -1,17 +0,0 @@
-package gui.menu;
-
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import javax.swing.JMenuItem;
-
-class ClearMenuItem extends JMenuItem implements ActionListener {
-
-    public ClearMenuItem() {
-        super("Clear");
-        addActionListener(this);
-    }
-
-    public void actionPerformed(ActionEvent e) {
-        // TODO
-    }
-}

app/src/main/java/gui/menu/CloseMenuItem.java

@@ -1,30 +0,0 @@
-package gui.menu;
-
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import javax.swing.JMenuItem;
-import gui.XL;
-import gui.XLList;
-
-class CloseMenuItem extends JMenuItem implements ActionListener {
-
-    private XL xl;
-    private XLList xlList;
-
-    public CloseMenuItem(XL xl, XLList xlList) {
-        super("Close");
-        this.xl = xl;
-        this.xlList = xlList;
-        addActionListener(this);
-    }
-
-    public void actionPerformed(ActionEvent event) {
-        xlList.remove(xl);
-        xl.dispose();
-        if (xlList.isEmpty()) {
-            System.exit(0);
-        } else {
-            xlList.last().toFront();
-        }
-    }
-}

app/src/main/java/gui/menu/LoadMenuItem.java

@@ -1,21 +0,0 @@
-package gui.menu;
-
-import java.io.FileNotFoundException;
-import javax.swing.JFileChooser;
-import gui.StatusLabel;
-import gui.XL;
-
-class LoadMenuItem extends OpenMenuItem {
-
-    public LoadMenuItem(XL xl, StatusLabel statusLabel) {
-        super(xl, statusLabel, "Load");
-    }
-
-    protected void action(String path) throws FileNotFoundException {
-        // TODO
-    }
-
-    protected int openDialog(JFileChooser fileChooser) {
-        return fileChooser.showOpenDialog(xl);
-    }
-}

app/src/main/java/gui/menu/NewMenuItem.java

@@ -1,21 +0,0 @@
-package gui.menu;
-
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import javax.swing.JMenuItem;
-import gui.XL;
-
-class NewMenuItem extends JMenuItem implements ActionListener {
-
-    private XL xl;
-
-    public NewMenuItem(XL xl) {
-        super("New");
-        this.xl = xl;
-        addActionListener(this);
-    }
-
-    public void actionPerformed(ActionEvent event) {
-        new XL(xl);
-    }
-}

app/src/main/java/gui/menu/OpenMenuItem.java

@@ -1,45 +0,0 @@
-package gui.menu;
-
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.io.File;
-import java.io.FileNotFoundException;
-import javax.swing.JFileChooser;
-import javax.swing.JMenuItem;
-import javax.swing.filechooser.FileFilter;
-import javax.swing.filechooser.FileNameExtensionFilter;
-import gui.StatusLabel;
-import gui.XL;
-
-public abstract class OpenMenuItem extends JMenuItem implements ActionListener {
-
-    protected StatusLabel statusLabel;
-    protected XL xl;
-
-    protected OpenMenuItem(XL xl, StatusLabel statusLabel, String title) {
-        super(title);
-        this.xl = xl;
-        this.statusLabel = statusLabel;
-        addActionListener(this);
-    }
-
-    protected abstract void action(String path) throws FileNotFoundException;
-
-    public void actionPerformed(ActionEvent event) {
-        JFileChooser fileChooser = new JFileChooser(".");
-        FileFilter filter = new FileNameExtensionFilter("XL files", "xl");
-        fileChooser.setFileFilter(filter);
-        int option = openDialog(fileChooser);
-        if (option == JFileChooser.APPROVE_OPTION) {
-            File file = fileChooser.getSelectedFile();
-            try {
-                action(file.toString());
-                xl.rename(file.getName());
-            } catch (FileNotFoundException e) {
-                statusLabel.setText(e.getMessage());
-            }
-        }
-    }
-
-    protected abstract int openDialog(JFileChooser fileChooser);
-}

app/src/main/java/gui/menu/SaveMenuItem.java

@@ -1,21 +0,0 @@
-package gui.menu;
-
-import java.io.FileNotFoundException;
-import javax.swing.JFileChooser;
-import gui.StatusLabel;
-import gui.XL;
-
-class SaveMenuItem extends OpenMenuItem {
-
-    public SaveMenuItem(XL xl, StatusLabel statusLabel) {
-        super(xl, statusLabel, "Save");
-    }
-
-    protected void action(String path) throws FileNotFoundException {
-        // TODO
-    }
-
-    protected int openDialog(JFileChooser fileChooser) {
-        return fileChooser.showSaveDialog(xl);
-    }
-}

app/src/main/java/gui/menu/WindowMenu.java

@@ -1,26 +0,0 @@
-package gui.menu;
-
-import java.util.Observable;
-import java.util.Observer;
-import javax.swing.JMenu;
-import gui.XL;
-import gui.XLList;
-
-public class WindowMenu extends JMenu implements Observer {
-
-    private XLList xlList;
-
-    public WindowMenu(XLList xlList) {
-        super("Window");
-        this.xlList = xlList;
-        xlList.addObserver(this);
-        update(null, null);
-    }
-
-    public void update(Observable observable, Object object) {
-        removeAll();
-        for (XL xl : xlList) {
-            add(new WindowMenuItem(xl));
-        }
-    }
-}

app/src/main/java/gui/menu/WindowMenuItem.java

@@ -1,21 +0,0 @@
-package gui.menu;
-
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import javax.swing.JMenuItem;
-import gui.XL;
-
-class WindowMenuItem extends JMenuItem implements ActionListener {
-
-    private XL xl;
-
-    public WindowMenuItem(XL xl) {
-        super(xl.getTitle());
-        this.xl = xl;
-        addActionListener(this);
-    }
-
-    public void actionPerformed(ActionEvent event) {
-        xl.toFront();
-    }
-}

app/src/main/java/gui/menu/XLMenuBar.java

@@ -1,24 +0,0 @@
-package gui.menu;
-
-import javax.swing.JMenu;
-import javax.swing.JMenuBar;
-import gui.StatusLabel;
-import gui.XL;
-import gui.XLList;
-
-public class XLMenuBar extends JMenuBar {
-
-    public XLMenuBar(XL xl, XLList xlList, StatusLabel statusLabel) {
-        JMenu file = new JMenu("File");
-        JMenu edit = new JMenu("Edit");
-        file.add(new SaveMenuItem(xl, statusLabel));
-        file.add(new LoadMenuItem(xl, statusLabel));
-        file.add(new NewMenuItem(xl));
-        file.add(new CloseMenuItem(xl, xlList));
-        edit.add(new ClearMenuItem());
-        edit.add(new ClearAllMenuItem());
-        add(file);
-        add(edit);
-        add(new WindowMenu(xlList));
-    }
-}

app/src/main/java/util/Adjustment.java

@@ -1,134 +0,0 @@
-package util;
-
-/**
- * Adjustment.java Created: Tue Oct 24 2005
- *
- * @author Lennart Andersson
- * @version 0.1
- */
-/** Adjustment is a class for adjusting string representations of values within a String. */
-public class Adjustment {
-
-    private int width;
-
-    /**
-     * Creates an adjustment.
-     *
-     * @param width is the number of positions for the result. If the width is insufficient extra
-     *     positions are added.
-     */
-    public Adjustment(int width) {
-        this.width = width;
-    }
-
-    /**
-     * Returns a centered String.
-     *
-     * @param s is the string to adjust.
-     */
-    public String center(String s) {
-        StringBuilder builder = new StringBuilder(width);
-        int fill = width - s.length();
-        for (int i = 0; i < fill / 2; i++) {
-            builder.append(' ');
-        }
-        builder.append(s);
-        for (int i = 0; i < fill - fill / 2; i++) {
-            builder.append(' ');
-        }
-        return builder.toString();
-    }
-
-    /**
-     * Returns a left adjusted String.
-     *
-     * @param s is the string to adjust.
-     */
-    public String left(String s) {
-        StringBuilder builder = new StringBuilder(width);
-        builder.append(s);
-        int fill = width - s.length();
-        for (int i = 0; i < fill; i++) {
-            builder.append(' ');
-        }
-        return builder.toString();
-    }
-
-    /**
-     * Returns a right adjusted String.
-     *
-     * @param b is the value to adjust.
-     */
-    public String right(boolean b) {
-        return right(String.valueOf(b));
-    }
-
-    /**
-     * Returns a right adjusted String.
-     *
-     * @param c is the value to adjust.
-     */
-    public String right(char c) {
-        return right(String.valueOf(c));
-    }
-
-    /**
-     * Returns a right adjusted String.
-     *
-     * @param number is the value to adjust.
-     */
-    public String right(double number) {
-        return right(String.valueOf(number));
-    }
-
-    /**
-     * Returns a right adjusted String.
-     *
-     * @param number is the value to adjust.
-     */
-    public String right(float number) {
-        return right(String.valueOf(number));
-    }
-
-    /**
-     * Returns a right adjusted String.
-     *
-     * @param number is the value to adjust.
-     */
-    public String right(int number) {
-        return right(String.valueOf(number));
-    }
-
-    /**
-     * Returns a right adjusted String.
-     *
-     * @param number is the value to adjust.
-     */
-    public String right(long number) {
-        return right(String.valueOf(number));
-    }
-
-    /**
-     * Returns a right adjusted String.
-     *
-     * @param item is the value to adjust.
-     */
-    public String right(Object item) {
-        return right(String.valueOf(item));
-    }
-
-    /**
-     * Returns a right adjusted String.
-     *
-     * @param s is the string to adjust.
-     */
-    public String right(String s) {
-        StringBuilder builder = new StringBuilder(width);
-        int fill = width - s.length();
-        for (int i = 0; i < fill; i++) {
-            builder.append(' ');
-        }
-        builder.append(s);
-        return builder.toString();
-    }
-}

app/src/main/java/util/NumberAdjustment.java

@@ -1,123 +0,0 @@
-package util;
-
-/**
- * NumberAdjustment.java Created: Mon OTue 24 2005
- *
- * @author Lennart Andersson
- * @version 0.1
- */
-/**
- * Adjustment is a class for adjusting string representations of numerical values within a String.
- */
-public class NumberAdjustment extends Adjustment {
-
-    private static final double log10 = Math.log(10.0);
-    private int decimals;
-    private int exponent;
-
-    /**
-     * Creates an adjustment for numbers.
-     *
-     * @param width is the number of positions for the result. If the width is insufficient extra
-     *     positions are added.
-     * @param decimals is the number of decimals in the result.
-     */
-    public NumberAdjustment(int width, int decimals) {
-        super(width);
-        this.decimals = decimals;
-    }
-
-    /**
-     * Creates an adjustment for numbers with an exponent field.
-     *
-     * @param width is the number of positions for the result. If the width is insufficient extra
-     *     positions are added.
-     * @param decimals is the number of positions for the decimals.
-     * @param exponent is the number of positions for the exponent including the letter E. If the
-     *     width is unsufficient extra positions are added.
-     */
-    public NumberAdjustment(int width, int decimals, int exponent) {
-        this(width, decimals);
-        this.exponent = exponent;
-    }
-
-    private StringBuilder fillZero(int exp) {
-        StringBuilder builder = new StringBuilder();
-        int length = exponent;
-        if (exp < 0) {
-            builder.append('-');
-            exp = -exp;
-            length = exponent - 1;
-        }
-        String s = String.valueOf(exp);
-        for (int i = s.length(); i < length; i++) {
-            builder.append('0');
-        }
-        return builder.append(s);
-    }
-
-    private StringBuilder format(double number) {
-        StringBuilder builder = new StringBuilder();
-        long intpart = (long) number;
-        builder.append(intpart);
-        double fraction = number - intpart;
-        if (decimals > 0) {
-            builder.append('.');
-        }
-        for (int i = 0; i < decimals; i++) {
-            fraction *= 10;
-            int d = (int) fraction;
-            builder.append((char) (d + '0'));
-            fraction = fraction - d;
-        }
-        return builder;
-    }
-
-    /**
-     * Returns a right adjusted String.
-     *
-     * @param number is the value to adjust.
-     */
-    public String right(double number) {
-        StringBuilder builder = new StringBuilder();
-        boolean negative = number < 0;
-        if (negative) {
-            number = -number;
-            builder.append('-');
-        }
-        if (exponent > 0) {
-            if (number == 0.0) return right(format(0.0) + "E" + fillZero(0));
-            int exp = (int) Math.floor((Math.log(number) / log10));
-            number /= Math.pow(10.0, exp);
-            number += 0.5 * Math.pow(10.0, -decimals);
-            if (number >= 10.0) {
-                number /= 10.0;
-                exp++;
-            }
-            builder.append(format(number)).append('E').append(fillZero(exp));
-        } else {
-            number += 0.5 * Math.pow(10.0, -decimals);
-            builder.append(format(number));
-        }
-        return right(builder.toString());
-    }
-
-    /**
-     * Returns a right adjusted String.
-     *
-     * @param number is the value to adjust.
-     */
-    public String right(float number) {
-        return right((double) number);
-    }
-
-    public static void main(String[] args) {
-        Adjustment adjustment = new NumberAdjustment(10, 2, 2);
-        System.out.println("0123456789");
-        System.out.println(adjustment.right(-0.0000000000000000000000000));
-        float value = (float) (1 / 3.0);
-        System.out.println(adjustment.right(value));
-        adjustment = new Adjustment(12);
-        System.out.println(adjustment.right(value));
-    }
-}

app/src/main/java/util/XLBufferedReader.java

@@ -1,27 +0,0 @@
-package util;
-
-import java.io.BufferedReader;
-import java.io.FileNotFoundException;
-import java.io.FileReader;
-import java.util.Map;
-
-// TODO move to another package
-public class XLBufferedReader extends BufferedReader {
-
-    public XLBufferedReader(String name) throws FileNotFoundException {
-        super(new FileReader(name));
-    }
-
-    // TODO Change Object to something appropriate
-    public void load(Map<String, Object> map) {
-        try {
-            while (ready()) {
-                String string = readLine();
-                int i = string.indexOf('=');
-                // TODO
-            }
-        } catch (Exception e) {
-            throw new XLException(e.getMessage());
-        }
-    }
-}

app/src/main/java/util/XLException.java

@@ -1,8 +0,0 @@
-package util;
-
-public class XLException extends RuntimeException {
-
-    public XLException(String message) {
-        super(message);
-    }
-}

app/src/main/java/util/XLPrintStream.java

@@ -1,25 +0,0 @@
-package util;
-
-import java.io.FileNotFoundException;
-import java.io.PrintStream;
-import java.util.Map.Entry;
-import java.util.Set;
-
-// TODO move to another package
-public class XLPrintStream extends PrintStream {
-
-    public XLPrintStream(String fileName) throws FileNotFoundException {
-        super(fileName);
-    }
-
-    // TODO Change Object to something appropriate
-    public void save(Set<Entry<String, Object>> set) {
-        for (Entry<String, Object> entry : set) {
-            print(entry.getKey());
-            print('=');
-            println(entry.getValue());
-        }
-        flush();
-        close();
-    }
-}

app/src/test/resources/fibonacci.xl

@@ -1,32 +0,0 @@
-A1=1.00
-A2=1.00
-A3=A1+A2
-A4=A2+A3
-A5=A3+A4
-A6=A4+A5
-A7=A5+A6
-A8=A6+A7
-B1=A7+A8
-B2=A8+B1
-B3=B1+B2
-B4=B2+B3
-B5=B3+B4
-B6=B4+B5
-B7=B5+B6
-B8=B6+B7
-C1=B7+B8
-C2=B8+C1
-C3=C1+C2
-C4=C2+C3
-C5=C3+C4
-C6=C4+C5
-C7=C5+C6
-C8=C6+C7
-D1=C7+C8
-D2=C8+D1
-D3=D1+D2
-D4=D2+D3
-D5=D3+D4
-D6=D4+D5
-D7=D5+D6
-D8=D6+D7

app/src/test/resources/manual.xl

@@ -1,6 +0,0 @@
-A2=#y =
-B1=2.00
-B2=3.00
-B3=B1*B2
-A3=#x*y =
-A1=#x =

app/src/test/resources/omvandmanual.xl

@@ -1,6 +0,0 @@
-A1=#x*y =
-A2=#x =
-A3=#y =
-B1=B2*B3
-B2=2.00
-B3=3.00

makefile

@@ -1,38 +0,0 @@
-GITHASH := $(shell git rev-parse --short HEAD)$(shell git diff-index --quiet HEAD || echo "-dirty")
-
-TARNAME := xl-imbus-$(GITHASH).tar.gz
-
-run:
-	echo $(GITHASH)
-	./gradlew run
-
-watch:
-	./gradlew run --continuous
-
-build:
-	./gradlew build
-	#./gradlew shadowJar
-
-clean:
-	./gradlew clean
-	rm -f *.tar.gz *.tar.gz.minisig *.zip *.jpg
-
-test:
-	./gradlew test
-
-$(TARNAME):
-	git ls-files -z | xargs -0 tar -czf $(TARNAME)
-
-$(TARNAME).minisig: $(TARNAME)
-	minisign -Sm $(TARNAME)
-
-tar: $(TARNAME)
-	tar -tvf $(TARNAME)
-
-sign: $(TARNAME).minisig
-
-publish: $(TARNAME) $(TARNAME).minisig
-	scp $(TARNAME) server:/public/xl/$(TARNAME)
-	scp $(TARNAME).minisig server:/public/xl/$(TARNAME).minisig
-
-.PHONY: run watch build clean test archive sign publish