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https://github.com/DanilaFe/abacus
synced 2024-12-22 07:20:09 -08:00
Delete old, unused code.
This commit is contained in:
parent
eac2a9ed6b
commit
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package org.nwapw.abacus.window;
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import org.nwapw.abacus.tree.TreeNode;
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import javax.swing.table.AbstractTableModel;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* A table model to store data about the history of inputs
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* in the calculator.
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*/
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public class HistoryTableModel extends AbstractTableModel {
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/**
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* Static array used to get the column names.
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*/
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public static final String[] COLUMN_NAMES = {
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"Input",
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"Parsed Input",
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"Output"
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};
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/**
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* Static array used to get the class of each column.
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*/
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public static final Class[] CLASS_TYPES = {
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String.class,
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TreeNode.class,
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String.class
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};
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/**
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* The list of entries.
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*/
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List<HistoryEntry> entries;
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/**
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* Creates a new empty history table model
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*/
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public HistoryTableModel() {
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entries = new ArrayList<>();
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}
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/**
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* Adds an entry to the model.
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*
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* @param entry the entry to add.
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*/
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public void addEntry(HistoryEntry entry) {
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entries.add(entry);
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}
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@Override
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public int getRowCount() {
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return entries.size();
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}
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@Override
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public int getColumnCount() {
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return 3;
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}
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@Override
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public String getColumnName(int columnIndex) {
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return COLUMN_NAMES[columnIndex];
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}
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@Override
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public Class<?> getColumnClass(int columnIndex) {
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return CLASS_TYPES[columnIndex];
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}
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@Override
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public boolean isCellEditable(int rowIndex, int columnIndex) {
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return false;
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}
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@Override
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public Object getValueAt(int rowIndex, int columnIndex) {
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return entries.get(rowIndex).nthValue(columnIndex);
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}
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/**
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* Class used specifically to hold data about
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* the previous entries into the calculator.
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*/
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public static class HistoryEntry {
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public String input;
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public TreeNode parsedInput;
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public String output;
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public HistoryEntry(String input, TreeNode parsedInput, String output) {
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this.input = input;
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this.parsedInput = parsedInput;
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this.output = output;
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}
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Object nthValue(int n) {
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if (n == 0) return input;
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if (n == 1) return parsedInput;
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if (n == 2) return output;
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return null;
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}
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}
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}
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package org.nwapw.abacus.window;
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import org.nwapw.abacus.Abacus;
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import org.nwapw.abacus.number.NumberInterface;
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import org.nwapw.abacus.tree.TreeNode;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.datatransfer.StringSelection;
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import java.awt.event.ActionListener;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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/**
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* The main UI window for the calculator.
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*/
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public class Window extends JFrame {
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private static final String CALC_STRING = "Calculate";
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private static final String SYNTAX_ERR_STRING = "Syntax Error";
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private static final String EVAL_ERR_STRING = "Evaluation Error";
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private static final String NUMBER_SYSTEM_LABEL = "Number Type:";
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private static final String FUNCTION_LABEL = "Functions:";
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/**
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* Array of Strings to which the "calculate" button's text
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* changes. For instance, in the graph tab, the name will
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* be "Graph" and not "Calculate".
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*/
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private static final String[] BUTTON_NAMES = {
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CALC_STRING,
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CALC_STRING
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};
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/**
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* Array of booleans that determine whether the input
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* field and the input button are enabled at a particular
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* index.
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*/
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private static boolean[] INPUT_ENABLED = {
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true,
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false
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};
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/**
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* The instance of the Abacus class, used
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* for interaction with plugins and configuration.
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*/
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private Abacus abacus;
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/**
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* The last output by the calculator.
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*/
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private String lastOutput;
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/**
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* The tabbed pane that separates calculator contexts.
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*/
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private JTabbedPane pane;
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/**
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* The panel where the output occurs.
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*/
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private JPanel calculationPanel;
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/**
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* The text area reserved for the last output.
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*/
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private JTextArea lastOutputArea;
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/**
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* The table used for storing history results.
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*/
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private JTable historyTable;
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/**
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* The table model used for managing history.
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*/
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private HistoryTableModel historyModel;
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/**
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* The scroll pane for the history area.
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*/
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private JScrollPane historyScroll;
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/**
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* The panel where the input occurs.
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*/
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private JPanel inputPanel;
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/**
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* The input text field.
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*/
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private JTextField inputField;
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/**
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* The "submit" button.
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*/
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private JButton inputEnterButton;
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/**
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* The side panel for separate configuration.
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*/
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private JPanel settingsPanel;
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/**
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* Panel for elements relating to number
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* system selection.
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*/
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private JPanel numberSystemPanel;
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/**
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* The possible list of number systems.
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*/
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private JComboBox<String> numberSystemList;
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/**
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* The panel for elements relating to
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* function selection.
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*/
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private JPanel functionSelectPanel;
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/**
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* The list of functions available to the user.
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*/
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private JComboBox<String> functionList;
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/**
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* Action listener that causes the input to be evaluated.
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*/
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private ActionListener evaluateListener = (event) -> {
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TreeNode parsedExpression = abacus.parseString(inputField.getText());
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if (parsedExpression == null) {
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lastOutputArea.setText(SYNTAX_ERR_STRING);
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return;
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}
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NumberInterface numberInterface = abacus.evaluateTree(parsedExpression);
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if (numberInterface == null) {
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lastOutputArea.setText(EVAL_ERR_STRING);
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return;
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}
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lastOutput = numberInterface.toString();
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historyModel.addEntry(new HistoryTableModel.HistoryEntry(inputField.getText(), parsedExpression, lastOutput));
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historyTable.invalidate();
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lastOutputArea.setText(lastOutput);
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inputField.setText("");
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};
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/**
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* Array of listeners that tell the input button how to behave
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* at a given input tab.
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*/
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private ActionListener[] listeners = {
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evaluateListener,
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null
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};
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/**
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* Creates a new window with the given manager.
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*
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* @param abacus the calculator instance to interact with other components.
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*/
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public Window(Abacus abacus) {
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this();
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this.abacus = abacus;
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}
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/**
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* Creates a new window.
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*/
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private Window() {
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super();
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lastOutput = "";
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setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
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setSize(320, 480);
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inputField = new JTextField();
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inputEnterButton = new JButton(CALC_STRING);
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inputPanel = new JPanel();
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inputPanel.setLayout(new BorderLayout());
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inputPanel.add(inputField, BorderLayout.CENTER);
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inputPanel.add(inputEnterButton, BorderLayout.SOUTH);
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historyModel = new HistoryTableModel();
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historyTable = new JTable(historyModel);
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historyScroll = new JScrollPane(historyTable);
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lastOutputArea = new JTextArea(lastOutput);
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lastOutputArea.setEditable(false);
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calculationPanel = new JPanel();
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calculationPanel.setLayout(new BorderLayout());
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calculationPanel.add(historyScroll, BorderLayout.CENTER);
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calculationPanel.add(lastOutputArea, BorderLayout.SOUTH);
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numberSystemList = new JComboBox<>();
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numberSystemPanel = new JPanel();
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numberSystemPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
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numberSystemPanel.setLayout(new FlowLayout());
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numberSystemPanel.add(new JLabel(NUMBER_SYSTEM_LABEL));
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numberSystemPanel.add(numberSystemList);
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numberSystemPanel.setMaximumSize(numberSystemPanel.getPreferredSize());
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functionList = new JComboBox<>();
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functionSelectPanel = new JPanel();
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functionSelectPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
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functionSelectPanel.setLayout(new FlowLayout());
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functionSelectPanel.add(new JLabel(FUNCTION_LABEL));
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functionSelectPanel.add(functionList);
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functionSelectPanel.setMaximumSize(functionSelectPanel.getPreferredSize());
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settingsPanel = new JPanel();
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settingsPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
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settingsPanel.setLayout(new BoxLayout(settingsPanel, BoxLayout.PAGE_AXIS));
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settingsPanel.add(numberSystemPanel);
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settingsPanel.add(functionSelectPanel);
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pane = new JTabbedPane();
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pane.add("Calculator", calculationPanel);
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pane.add("Settings", settingsPanel);
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pane.addChangeListener(e -> {
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int selectionIndex = pane.getSelectedIndex();
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boolean enabled = INPUT_ENABLED[selectionIndex];
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ActionListener listener = listeners[selectionIndex];
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inputEnterButton.setText(BUTTON_NAMES[selectionIndex]);
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inputField.setEnabled(enabled);
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inputEnterButton.setEnabled(enabled);
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for (ActionListener removingListener : inputEnterButton.getActionListeners()) {
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inputEnterButton.removeActionListener(removingListener);
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inputField.removeActionListener(removingListener);
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}
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if (listener != null) {
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inputEnterButton.addActionListener(listener);
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inputField.addActionListener(listener);
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}
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});
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add(pane, BorderLayout.CENTER);
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add(inputPanel, BorderLayout.SOUTH);
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inputEnterButton.addActionListener(evaluateListener);
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inputField.addActionListener(evaluateListener);
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historyTable.addMouseListener(new MouseAdapter() {
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@Override
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public void mouseClicked(MouseEvent e) {
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Point clickPoint = e.getPoint();
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if (e.getClickCount() == 2) {
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int row = historyTable.rowAtPoint(clickPoint);
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int column = historyTable.columnAtPoint(clickPoint);
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String toCopy = historyTable.getValueAt(row, column).toString();
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Toolkit.getDefaultToolkit().getSystemClipboard().setContents(new StringSelection(toCopy), null);
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}
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}
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});
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}
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@Override
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public void setVisible(boolean b) {
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super.setVisible(b);
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if (b) inputField.requestFocusInWindow();
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}
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}
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Reference in New Issue
Block a user