mirror of
https://github.com/DanilaFe/abacus
synced 2024-12-23 16:00:09 -08:00
Link up the evaluation and the UI buttons.
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parent
41395f09f9
commit
8c935983b2
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@ -1,10 +1,25 @@
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package org.nwapw.abacus.fx;
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import javafx.fxml.FXML;
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import javafx.scene.control.Button;
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import javafx.scene.control.TextField;
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import javafx.scene.text.Text;
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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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public class AbacusController {
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private static final String ERR_SYNTAX = "Syntax Error";
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private static final String ERR_EVAL = "Evaluation Error";
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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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private Abacus abacus;
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@FXML
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@ -12,4 +27,23 @@ public class AbacusController {
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abacus = new Abacus();
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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(constructedTree == 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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inputButton.setDisable(false);
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outputText.setText(evaluatedNumber.toString());
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}
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}
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@ -4,6 +4,7 @@
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<?import javafx.scene.layout.*?>
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<?import javafx.geometry.Insets?>
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<?import javafx.scene.text.Text?>
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<BorderPane xmlns="http://javafx.com/javafx"
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xmlns:fx="http://javafx.com/fxml"
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fx:controller="org.nwapw.abacus.fx.AbacusController">
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@ -15,9 +16,10 @@
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<VBox>
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<ScrollPane prefHeight="50" vbarPolicy="NEVER">
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<padding><Insets top="10" bottom="10" left="10" right="10"/></padding>
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<Text fx:id="outputText"/>
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</ScrollPane>
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<TextField text="Input"/>
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<Button text="Calculate" maxWidth="Infinity"/>
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<TextField fx:id="inputField" onAction="#performCalculation"/>
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<Button fx:id="inputButton" text="Calculate" maxWidth="Infinity" onAction="#performCalculation"/>
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</VBox>
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</bottom>
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</BorderPane>
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@ -25,5 +27,5 @@
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<Tab text="Settings" closable="false"/>
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</TabPane>
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</center>
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</BorderPane>
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