mirror of
https://github.com/DanilaFe/abacus
synced 2026-01-25 16:15:19 +00:00
Compare commits
18 Commits
rewrite-ex
...
binary-num
| Author | SHA1 | Date | |
|---|---|---|---|
| 0be67410ec | |||
| 6f99f07150 | |||
| 2cf41c1029 | |||
| 0cd40b028a | |||
| 7cb04a1222 | |||
| 0a97eeb442 | |||
|
|
1ee8c7d231 | ||
| 05d0755526 | |||
| 0b97a935bf | |||
| 211e963db0 | |||
| d8145acc8f | |||
| 63b8162a9b | |||
| c655c63233 | |||
| 27ff1a47b5 | |||
| 2941252f7d | |||
| 44ed0199d4 | |||
| 5b582a7dbe | |||
| a02086e791 |
@@ -1,6 +1,7 @@
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package org.nwapw.abacus;
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import org.nwapw.abacus.config.ConfigurationObject;
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import org.nwapw.abacus.fx.AbacusApplication;
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import org.nwapw.abacus.number.NaiveNumber;
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import org.nwapw.abacus.number.NumberInterface;
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import org.nwapw.abacus.parsing.LexerTokenizer;
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@@ -11,9 +12,7 @@ import org.nwapw.abacus.plugin.PluginManager;
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import org.nwapw.abacus.plugin.StandardPlugin;
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import org.nwapw.abacus.tree.NumberReducer;
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import org.nwapw.abacus.tree.TreeNode;
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import org.nwapw.abacus.window.Window;
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import javax.swing.*;
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import java.io.File;
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import java.io.IOException;
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import java.lang.reflect.InvocationTargetException;
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@@ -79,13 +78,7 @@ public class Abacus {
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}
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public static void main(String[] args) {
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try {
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UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
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} catch (ClassNotFoundException | InstantiationException | UnsupportedLookAndFeelException | IllegalAccessException e) {
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e.printStackTrace();
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}
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new Window(new Abacus()).setVisible(true);
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AbacusApplication.launch(AbacusApplication.class, args);
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}
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/**
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24
src/main/java/org/nwapw/abacus/fx/AbacusApplication.java
Normal file
24
src/main/java/org/nwapw/abacus/fx/AbacusApplication.java
Normal file
@@ -0,0 +1,24 @@
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package org.nwapw.abacus.fx;
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import javafx.application.Application;
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import javafx.fxml.FXMLLoader;
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import javafx.scene.Parent;
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import javafx.scene.Scene;
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import javafx.stage.Stage;
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/**
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* The main application class for JavaFX responsible for loading
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* and displaying the fxml file.
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*/
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public class AbacusApplication extends Application {
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@Override
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public void start(Stage primaryStage) throws Exception {
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Parent parent = FXMLLoader.load(getClass().getResource("/abacus.fxml"));
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Scene mainScene = new Scene(parent, 320, 480);
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primaryStage.setScene(mainScene);
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primaryStage.setTitle("Abacus");
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primaryStage.show();
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}
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}
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94
src/main/java/org/nwapw/abacus/fx/AbacusController.java
Normal file
94
src/main/java/org/nwapw/abacus/fx/AbacusController.java
Normal file
@@ -0,0 +1,94 @@
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package org.nwapw.abacus.fx;
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import javafx.collections.FXCollections;
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import javafx.collections.ObservableList;
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import javafx.fxml.FXML;
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import javafx.scene.control.*;
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import javafx.scene.text.Text;
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import javafx.util.Callback;
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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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/**
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* The controller for the abacus FX UI, responsible
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* for all the user interaction.
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*/
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public class AbacusController {
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/**
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* Constant string that is displayed if the text could not be lexed or parsed.
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*/
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private static final String ERR_SYNTAX = "Syntax Error";
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/**
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* Constant string that is displayed if the tree could not be reduced.
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*/
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private static final String ERR_EVAL = "Evaluation Error";
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@FXML
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private TableView<HistoryModel> historyTable;
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@FXML
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private TableColumn<HistoryModel, String> inputColumn;
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@FXML
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private TableColumn<HistoryModel, String> parsedColumn;
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@FXML
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private TableColumn<HistoryModel, String> outputColumn;
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@FXML
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private Text outputText;
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@FXML
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private TextField inputField;
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@FXML
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private Button inputButton;
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/**
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* The list of history entries, created by the users.
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*/
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private ObservableList<HistoryModel> historyData;
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/**
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* The abacus instance used for calculations and all
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* other main processing code.
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*/
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private Abacus abacus;
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@FXML
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public void initialize(){
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Callback<TableColumn<HistoryModel, String>, TableCell<HistoryModel, String>> cellFactory =
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param -> new CopyableCell<>();
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abacus = new Abacus();
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historyData = FXCollections.observableArrayList();
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historyTable.setItems(historyData);
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historyTable.getSelectionModel().setCellSelectionEnabled(true);
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inputColumn.setCellFactory(cellFactory);
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inputColumn.setCellValueFactory(cell -> cell.getValue().inputProperty());
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parsedColumn.setCellFactory(cellFactory);
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parsedColumn.setCellValueFactory(cell -> cell.getValue().parsedProperty());
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outputColumn.setCellFactory(cellFactory);
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outputColumn.setCellValueFactory(cell -> cell.getValue().outputProperty());
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}
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@FXML
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private void performCalculation(){
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inputButton.setDisable(true);
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TreeNode constructedTree = abacus.parseString(inputField.getText());
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if(constructedTree == null){
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outputText.setText(ERR_SYNTAX);
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inputButton.setDisable(false);
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return;
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}
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NumberInterface evaluatedNumber = abacus.evaluateTree(constructedTree);
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if(evaluatedNumber == null){
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outputText.setText(ERR_EVAL);
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inputButton.setDisable(false);
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return;
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}
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outputText.setText(evaluatedNumber.toString());
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historyData.add(new HistoryModel(inputField.getText(), constructedTree.toString(), evaluatedNumber.toString()));
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inputButton.setDisable(false);
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inputField.setText("");
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}
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}
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35
src/main/java/org/nwapw/abacus/fx/CopyableCell.java
Normal file
35
src/main/java/org/nwapw/abacus/fx/CopyableCell.java
Normal file
@@ -0,0 +1,35 @@
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package org.nwapw.abacus.fx;
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import javafx.scene.control.TableCell;
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import javafx.scene.input.MouseEvent;
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import java.awt.*;
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import java.awt.datatransfer.StringSelection;
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/**
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* A cell that copies its value to the clipboard
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* when double clicked.
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* @param <S> The type of the table view generic type.
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* @param <T> The type of the value contained in the cell.
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*/
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public class CopyableCell<S, T> extends TableCell<S, T> {
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/**
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* Creates a new copyable cell.
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*/
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public CopyableCell(){
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addEventFilter(MouseEvent.MOUSE_CLICKED, event -> {
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if(event.getClickCount() == 2){
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Toolkit.getDefaultToolkit().getSystemClipboard()
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.setContents(new StringSelection(getText()), null);
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}
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});
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}
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@Override
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protected void updateItem(T item, boolean empty) {
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super.updateItem(item, empty);
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setText((empty || item == null) ? null : item.toString());
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setGraphic(null);
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}
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}
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87
src/main/java/org/nwapw/abacus/fx/HistoryModel.java
Normal file
87
src/main/java/org/nwapw/abacus/fx/HistoryModel.java
Normal file
@@ -0,0 +1,87 @@
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package org.nwapw.abacus.fx;
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import javafx.beans.property.SimpleStringProperty;
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import javafx.beans.property.StringProperty;
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/**
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* The data model used for storing history entries.
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*/
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public class HistoryModel {
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/**
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* The property used for displaying the column
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* for the user input.
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*/
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private final StringProperty input;
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/**
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* The property used for displaying the column
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* that contains the parsed input.
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*/
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private final StringProperty parsed;
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/**
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* The property used for displaying the column
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* that contains the program output.
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*/
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private final StringProperty output;
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/**
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* Creates a new history model with the given variables.
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* @param input the user input
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* @param parsed the parsed input
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* @param output the program output.
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*/
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public HistoryModel(String input, String parsed, String output){
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this.input = new SimpleStringProperty();
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this.parsed = new SimpleStringProperty();
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this.output = new SimpleStringProperty();
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this.input.setValue(input);
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this.parsed.setValue(parsed);
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this.output.setValue(output);
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}
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/**
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* Gets the input property.
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* @return the input property.
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*/
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public StringProperty inputProperty() {
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return input;
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}
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/**
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* Gets the input.
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* @return the input.
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*/
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public String getInput() {
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return input.get();
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}
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/**
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* Gets the parsed input property.
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* @return the parsed input property.
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*/
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public StringProperty parsedProperty() {
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return parsed;
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}
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/**
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* Gets the parsed input.
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* @return the parsed input.
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*/
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public String getParsed() {
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return parsed.get();
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}
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/**
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* Gets the output property.
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* @return the output property.
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*/
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public StringProperty outputProperty() {
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return output;
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}
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/**
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* Gets the program output.
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* @return the output.
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*/
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public String getOutput() {
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return output.get();
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}
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}
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162
src/main/java/org/nwapw/abacus/number/BinaryNumber.java
Normal file
162
src/main/java/org/nwapw/abacus/number/BinaryNumber.java
Normal file
@@ -0,0 +1,162 @@
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package org.nwapw.abacus.number;
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public class BinaryNumber implements NumberInterface{
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/**
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* The number zero.
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*/
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public static final BinaryNumber ZERO = new BinaryNumber(0);
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/**
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* The number one.
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*/
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public static final BinaryNumber ONE = new BinaryNumber(1);
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/**
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* The value of this number.
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*/
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private double value;
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/**
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* Creates a new BinaryNumber with the given string.
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*
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* @param value the value, which will be parsed as a double.
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*/
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public BinaryNumber(String value) {
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toStandard(value);
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}
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/**
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*
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*/
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private void toStandard(String value) {
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String before;
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String after = "";
|
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if(value.indexOf(".")==-1){
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before=value;
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}else{
|
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before = value.substring(0,value.indexOf("."));
|
||||
after = value.substring(value.indexOf(".")+1);
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}
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double sum = 0;
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for(int it=0;before.length()>0;it++){
|
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if(before.charAt(before.length()-1)=='1'){
|
||||
sum+=Math.pow(2,it);
|
||||
}
|
||||
if(before.length()>1) {
|
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before = before.substring(0, before.length()-1);
|
||||
}else{
|
||||
before = "";
|
||||
}
|
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}
|
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for(int it=-1;after.length()>0;it--) {
|
||||
if (after.charAt(0) == '1') {
|
||||
sum += Math.pow(2, it);
|
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}
|
||||
if (after.length() > 1) {
|
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after = after.substring(1);
|
||||
} else {
|
||||
after = "";
|
||||
}
|
||||
}
|
||||
|
||||
this.value = sum;
|
||||
}
|
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|
||||
/**
|
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* Creates a new BinaryNumber with the given value.
|
||||
*
|
||||
* @param value the value to use.
|
||||
*/
|
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public BinaryNumber(double value) {
|
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toStandard(""+value);
|
||||
}
|
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|
||||
@Override
|
||||
public int getMaxPrecision() {
|
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return 18;
|
||||
}
|
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|
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@Override
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public NumberInterface multiply(NumberInterface multiplier) {
|
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return new BinaryNumber(value * ((BinaryNumber) multiplier).value);
|
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}
|
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|
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@Override
|
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public NumberInterface divide(NumberInterface divisor) {
|
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return new BinaryNumber(value / ((BinaryNumber) divisor).value);
|
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}
|
||||
|
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@Override
|
||||
public NumberInterface add(NumberInterface summand) {
|
||||
return new BinaryNumber(value + ((BinaryNumber) summand).value);
|
||||
}
|
||||
|
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@Override
|
||||
public NumberInterface subtract(NumberInterface subtrahend) {
|
||||
return new BinaryNumber(value - ((BinaryNumber) subtrahend).value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NumberInterface negate() {
|
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return new BinaryNumber(-value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NumberInterface intPow(int exponent) {
|
||||
if (exponent == 0) {
|
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return BinaryNumber.ONE;
|
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}
|
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boolean takeReciprocal = exponent < 0;
|
||||
exponent = Math.abs(exponent);
|
||||
NumberInterface power = this;
|
||||
for (int currentExponent = 1; currentExponent < exponent; currentExponent++) {
|
||||
power = power.multiply(this);
|
||||
}
|
||||
if (takeReciprocal) {
|
||||
power = BinaryNumber.ONE.divide(power);
|
||||
}
|
||||
return power;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int compareTo(NumberInterface number) {
|
||||
BinaryNumber num = (BinaryNumber) number;
|
||||
return Double.compare(value, num.value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int signum() {
|
||||
return this.compareTo(ZERO);
|
||||
}
|
||||
|
||||
@Override
|
||||
public NumberInterface promoteTo(Class<? extends NumberInterface> toClass) {
|
||||
if (toClass == this.getClass()) return this;
|
||||
else if (toClass == PreciseNumber.class) {
|
||||
return new PreciseNumber(Double.toString(value));
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public String toString() {
|
||||
double sum = 0;
|
||||
double tempValue = Math.floor(value);
|
||||
double fraction = value-tempValue;
|
||||
for (int it=0;tempValue > 0;it++) {
|
||||
|
||||
if (tempValue % 2 == 1) {
|
||||
sum+=Math.pow(10,it);
|
||||
tempValue-=1;
|
||||
}
|
||||
tempValue=tempValue/2;
|
||||
}
|
||||
for (int it=0;fraction > 0;it--) {
|
||||
|
||||
if (fraction % 2 >= 1) {
|
||||
sum+=Math.pow(10,it);
|
||||
fraction-=1;
|
||||
}
|
||||
fraction=fraction*2;
|
||||
}
|
||||
double shiftBy = Math.pow(10, 10);
|
||||
return Double.toString(Math.round(sum * shiftBy) / shiftBy);
|
||||
}
|
||||
}
|
||||
@@ -1,9 +1,12 @@
|
||||
package org.nwapw.abacus.number;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
import java.math.MathContext;
|
||||
import java.math.RoundingMode;
|
||||
|
||||
/**
|
||||
* A number that uses a BigDecimal to store its value,
|
||||
* leading to infinite possible precision.
|
||||
*/
|
||||
public class PreciseNumber implements NumberInterface {
|
||||
|
||||
/**
|
||||
@@ -45,7 +48,7 @@ public class PreciseNumber implements NumberInterface {
|
||||
|
||||
@Override
|
||||
public int getMaxPrecision() {
|
||||
return 54;
|
||||
return 65;
|
||||
}
|
||||
|
||||
@Override
|
||||
@@ -115,7 +118,7 @@ public class PreciseNumber implements NumberInterface {
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
BigDecimal rounded = value.setScale(getMaxPrecision() - 4, RoundingMode.HALF_UP);
|
||||
BigDecimal rounded = value.setScale(getMaxPrecision() - 15, RoundingMode.HALF_UP);
|
||||
return rounded.stripTrailingZeros().toPlainString();
|
||||
}
|
||||
}
|
||||
|
||||
46
src/main/resources/abacus.fxml
Normal file
46
src/main/resources/abacus.fxml
Normal file
@@ -0,0 +1,46 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
|
||||
<?import javafx.geometry.Insets?>
|
||||
<?import javafx.scene.control.*?>
|
||||
<?import javafx.scene.layout.BorderPane?>
|
||||
<?import javafx.scene.layout.VBox?>
|
||||
<?import javafx.scene.text.Text?>
|
||||
<BorderPane xmlns="http://javafx.com/javafx"
|
||||
xmlns:fx="http://javafx.com/fxml"
|
||||
fx:controller="org.nwapw.abacus.fx.AbacusController">
|
||||
<center>
|
||||
<TabPane>
|
||||
<Tab text="Calculator" closable="false">
|
||||
<BorderPane>
|
||||
<center>
|
||||
<TableView fx:id="historyTable">
|
||||
<columnResizePolicy>
|
||||
<TableView fx:constant="CONSTRAINED_RESIZE_POLICY"/>
|
||||
</columnResizePolicy>
|
||||
<columns>
|
||||
<TableColumn fx:id="inputColumn" text="Input" sortable="false"/>
|
||||
<TableColumn fx:id="parsedColumn" text="Parsed" sortable="false"/>
|
||||
<TableColumn fx:id="outputColumn" text="Output" sortable="false"/>
|
||||
</columns>
|
||||
</TableView>
|
||||
</center>
|
||||
<bottom>
|
||||
<VBox>
|
||||
<ScrollPane prefHeight="50" vbarPolicy="NEVER">
|
||||
<padding>
|
||||
<Insets top="10" bottom="10" left="10" right="10"/>
|
||||
</padding>
|
||||
<Text fx:id="outputText"/>
|
||||
</ScrollPane>
|
||||
<TextField fx:id="inputField" onAction="#performCalculation"/>
|
||||
<Button fx:id="inputButton" text="Calculate" maxWidth="Infinity"
|
||||
onAction="#performCalculation"/>
|
||||
</VBox>
|
||||
</bottom>
|
||||
</BorderPane>
|
||||
</Tab>
|
||||
<Tab text="Settings" closable="false"/>
|
||||
</TabPane>
|
||||
</center>
|
||||
|
||||
</BorderPane>
|
||||
Reference in New Issue
Block a user