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https://github.com/DanilaFe/abacus
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Comment and clean up the Window class.
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parent
1b788c0a46
commit
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@ -18,18 +18,27 @@ import java.awt.event.MouseEvent;
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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 SELECT_STRING = "Select";
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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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private static boolean[] BUTTON_ENABLED = {
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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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@ -131,6 +140,10 @@ public class Window extends JFrame {
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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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@ -205,7 +218,7 @@ public class Window extends JFrame {
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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 = BUTTON_ENABLED[selectionIndex];
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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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