Convert files to Unix line endings
Change-Id: Ia06031385c7a8cfdb675020a4cbe9c1b49675955
diff --git a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java b/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java
index 031d49c..318a4b4 100644
--- a/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java
+++ b/org.eclipse.example.calc.test/tst/org/eclipse/example/calc/internal/CalculatorTest.java
@@ -1,93 +1,93 @@
-/*******************************************************************************
- * Copyright (C) 2010, Matthias Sohn <matthias.sohn@sap.com>
- * Copyright (C) 2010, Stefan Lay <stefan.lay@sap.com>
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *******************************************************************************/
-package org.eclipse.example.calc.internal;
-
-import static org.junit.Assert.assertEquals;
-
-import org.eclipse.example.calc.Operations;
-import org.junit.After;
-import org.junit.Test;
-
-public class CalculatorTest {
-
- @After
- public void tearDown() throws Exception {
- Operations.INSTANCE.reset();
- }
-
- @Test
- public void testPlus() {
- TestTextProvider textProvider = new TestTextProvider();
- Calculator calculator = new Calculator(textProvider);
-
- calculator.handleButtonClick("1");
- calculator.handleButtonClick("+");
- calculator.handleButtonClick("2");
- calculator.handleButtonClick("=");
-
- assertEquals("3.0", textProvider.getDisplayText());
- }
-
- @Test
- public void testTwoTimesPlus() {
- TestTextProvider textProvider = new TestTextProvider();
- Calculator calculator = new Calculator(textProvider);
-
- calculator.handleButtonClick("1");
- calculator.handleButtonClick("+");
- calculator.handleButtonClick("2");
- calculator.handleButtonClick("+");
- calculator.handleButtonClick("3");
- calculator.handleButtonClick("=");
-
- assertEquals("6.0", textProvider.getDisplayText());
- }
-
- @Test
- public void testPlusWithFraction() {
- TestTextProvider textProvider = new TestTextProvider();
- Calculator calculator = new Calculator(textProvider);
-
- calculator.handleButtonClick("1");
- calculator.handleButtonClick("+");
- calculator.handleButtonClick("2");
- calculator.handleButtonClick(".");
- calculator.handleButtonClick("1");
- calculator.handleButtonClick("=");
-
- assertEquals("3.1", textProvider.getDisplayText());
- }
-
- @Test
- public void testSquare() {
- TestTextProvider textProvider = new TestTextProvider();
- Calculator calculator = new Calculator(textProvider);
-
- calculator.handleButtonClick("2");
- calculator.handleButtonClick("x²");
-
- assertEquals("4.0", textProvider.getDisplayText());
- }
-
- private static final class TestTextProvider implements TextProvider {
-
- private String text = "0";
-
- public void setDisplayText(String text) {
- this.text = text;
-
- }
-
- public String getDisplayText() {
- return text;
- }
-
- }
-}
+/*******************************************************************************
+ * Copyright (C) 2010, Matthias Sohn <matthias.sohn@sap.com>
+ * Copyright (C) 2010, Stefan Lay <stefan.lay@sap.com>
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.example.calc.internal;
+
+import static org.junit.Assert.assertEquals;
+
+import org.eclipse.example.calc.Operations;
+import org.junit.After;
+import org.junit.Test;
+
+public class CalculatorTest {
+
+ @After
+ public void tearDown() throws Exception {
+ Operations.INSTANCE.reset();
+ }
+
+ @Test
+ public void testPlus() {
+ TestTextProvider textProvider = new TestTextProvider();
+ Calculator calculator = new Calculator(textProvider);
+
+ calculator.handleButtonClick("1");
+ calculator.handleButtonClick("+");
+ calculator.handleButtonClick("2");
+ calculator.handleButtonClick("=");
+
+ assertEquals("3.0", textProvider.getDisplayText());
+ }
+
+ @Test
+ public void testTwoTimesPlus() {
+ TestTextProvider textProvider = new TestTextProvider();
+ Calculator calculator = new Calculator(textProvider);
+
+ calculator.handleButtonClick("1");
+ calculator.handleButtonClick("+");
+ calculator.handleButtonClick("2");
+ calculator.handleButtonClick("+");
+ calculator.handleButtonClick("3");
+ calculator.handleButtonClick("=");
+
+ assertEquals("6.0", textProvider.getDisplayText());
+ }
+
+ @Test
+ public void testPlusWithFraction() {
+ TestTextProvider textProvider = new TestTextProvider();
+ Calculator calculator = new Calculator(textProvider);
+
+ calculator.handleButtonClick("1");
+ calculator.handleButtonClick("+");
+ calculator.handleButtonClick("2");
+ calculator.handleButtonClick(".");
+ calculator.handleButtonClick("1");
+ calculator.handleButtonClick("=");
+
+ assertEquals("3.1", textProvider.getDisplayText());
+ }
+
+ @Test
+ public void testSquare() {
+ TestTextProvider textProvider = new TestTextProvider();
+ Calculator calculator = new Calculator(textProvider);
+
+ calculator.handleButtonClick("2");
+ calculator.handleButtonClick("x²");
+
+ assertEquals("4.0", textProvider.getDisplayText());
+ }
+
+ private static final class TestTextProvider implements TextProvider {
+
+ private String text = "0";
+
+ public void setDisplayText(String text) {
+ this.text = text;
+
+ }
+
+ public String getDisplayText() {
+ return text;
+ }
+
+ }
+}
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/Calculator.java b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/Calculator.java
index 8d1725b..fe825b0 100644
--- a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/Calculator.java
+++ b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/Calculator.java
@@ -1,113 +1,113 @@
-/*******************************************************************************
- * Copyright (C) 2010, Matthias Sohn <matthias.sohn@sap.com>
- * Copyright (C) 2010, Stefan Lay <stefan.lay@sap.com>
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *******************************************************************************/
-package org.eclipse.example.calc.internal;
-
-import org.eclipse.example.calc.BinaryOperation;
-import org.eclipse.example.calc.Operation;
-import org.eclipse.example.calc.Operations;
-import org.eclipse.example.calc.UnaryOperation;
-import org.eclipse.example.calc.internal.operations.Equals;
-import org.eclipse.example.calc.internal.operations.Minus;
-import org.eclipse.example.calc.internal.operations.Plus;
-import org.eclipse.example.calc.internal.operations.Square;
-
-public class Calculator {
-
- private TextProvider textProvider;
-
- private String cmd;
-
- private boolean clearText;
-
- private float value;
-
- public static String NAME = "Simple Calculator";
-
- public Calculator(TextProvider textProvider) {
- this.textProvider = textProvider;
- setupDefaultOperations();
- }
-
- private void setupDefaultOperations() {
- new Equals();
- new Minus();
- new Plus();
- new Square();
- }
-
- private void calculate(String cmdName) {
- float curValue;
- float newValue = 0;
-
- // get current value of display
- curValue = Float.parseFloat(textProvider.getDisplayText());
-
- Operation currentOp = Operations.INSTANCE.getOperation(cmdName);
- if ((currentOp instanceof BinaryOperation) && (cmd == null)) {
- // if last clicked operation was binary and there is no saved
- // operation, store it
- cmd = cmdName;
- setClearText(true);
- } else {
- // if saved command is binary perform it
- Operation savedOp = Operations.INSTANCE.getOperation(cmd);
- if (savedOp instanceof BinaryOperation) {
- BinaryOperation bop = (BinaryOperation) savedOp;
- newValue = bop.perform(value, curValue);
- } // if current operation is unary perform it
- else if (currentOp instanceof UnaryOperation) {
- UnaryOperation uop = (UnaryOperation) currentOp;
- newValue = uop.perform(curValue);
- }
-
- // display the result and prepare clear on next button
- textProvider.setDisplayText("" + newValue);
- setClearText(true);
- if (currentOp instanceof Equals) {
- // do not save "=" command
- cmd = null;
- } else if (currentOp instanceof BinaryOperation) {
- // save binary commands as they are executed on next operation
- cmd = cmdName;
- } else {
- // clear saved command
- cmd = null;
- }
- }
-
- }
-
- private boolean isCommand(String name) {
- return (Operations.INSTANCE.getOperation(name) != null);
- }
-
- public void handleButtonClick(String str) {
- if (isCommand(str)) {
- calculate(str);
- } else {
- char digit = (str.toCharArray())[0];
- if (Character.isDigit(digit) || digit == '.') {
- if (clearText) {
- // save current value and clear the display
- value = Float.parseFloat(textProvider.getDisplayText());
- textProvider.setDisplayText("");
- setClearText(false);
- }
-
- // add new digit to display
- textProvider.setDisplayText(textProvider.getDisplayText() + digit);
- }
- }
- }
-
- public void setClearText(boolean clearText) {
- this.clearText = clearText;
- }
-}
+/*******************************************************************************
+ * Copyright (C) 2010, Matthias Sohn <matthias.sohn@sap.com>
+ * Copyright (C) 2010, Stefan Lay <stefan.lay@sap.com>
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.example.calc.internal;
+
+import org.eclipse.example.calc.BinaryOperation;
+import org.eclipse.example.calc.Operation;
+import org.eclipse.example.calc.Operations;
+import org.eclipse.example.calc.UnaryOperation;
+import org.eclipse.example.calc.internal.operations.Equals;
+import org.eclipse.example.calc.internal.operations.Minus;
+import org.eclipse.example.calc.internal.operations.Plus;
+import org.eclipse.example.calc.internal.operations.Square;
+
+public class Calculator {
+
+ private TextProvider textProvider;
+
+ private String cmd;
+
+ private boolean clearText;
+
+ private float value;
+
+ public static String NAME = "Simple Calculator";
+
+ public Calculator(TextProvider textProvider) {
+ this.textProvider = textProvider;
+ setupDefaultOperations();
+ }
+
+ private void setupDefaultOperations() {
+ new Equals();
+ new Minus();
+ new Plus();
+ new Square();
+ }
+
+ private void calculate(String cmdName) {
+ float curValue;
+ float newValue = 0;
+
+ // get current value of display
+ curValue = Float.parseFloat(textProvider.getDisplayText());
+
+ Operation currentOp = Operations.INSTANCE.getOperation(cmdName);
+ if ((currentOp instanceof BinaryOperation) && (cmd == null)) {
+ // if last clicked operation was binary and there is no saved
+ // operation, store it
+ cmd = cmdName;
+ setClearText(true);
+ } else {
+ // if saved command is binary perform it
+ Operation savedOp = Operations.INSTANCE.getOperation(cmd);
+ if (savedOp instanceof BinaryOperation) {
+ BinaryOperation bop = (BinaryOperation) savedOp;
+ newValue = bop.perform(value, curValue);
+ } // if current operation is unary perform it
+ else if (currentOp instanceof UnaryOperation) {
+ UnaryOperation uop = (UnaryOperation) currentOp;
+ newValue = uop.perform(curValue);
+ }
+
+ // display the result and prepare clear on next button
+ textProvider.setDisplayText("" + newValue);
+ setClearText(true);
+ if (currentOp instanceof Equals) {
+ // do not save "=" command
+ cmd = null;
+ } else if (currentOp instanceof BinaryOperation) {
+ // save binary commands as they are executed on next operation
+ cmd = cmdName;
+ } else {
+ // clear saved command
+ cmd = null;
+ }
+ }
+
+ }
+
+ private boolean isCommand(String name) {
+ return (Operations.INSTANCE.getOperation(name) != null);
+ }
+
+ public void handleButtonClick(String str) {
+ if (isCommand(str)) {
+ calculate(str);
+ } else {
+ char digit = (str.toCharArray())[0];
+ if (Character.isDigit(digit) || digit == '.') {
+ if (clearText) {
+ // save current value and clear the display
+ value = Float.parseFloat(textProvider.getDisplayText());
+ textProvider.setDisplayText("");
+ setClearText(false);
+ }
+
+ // add new digit to display
+ textProvider.setDisplayText(textProvider.getDisplayText() + digit);
+ }
+ }
+ }
+
+ public void setClearText(boolean clearText) {
+ this.clearText = clearText;
+ }
+}
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/TextProvider.java b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/TextProvider.java
index 4a1993d..db2edb5 100644
--- a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/TextProvider.java
+++ b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/TextProvider.java
@@ -1,26 +1,26 @@
-/*******************************************************************************
- * Copyright (C) 2010, Stefan Lay <stefan.lay@sap.com>
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *******************************************************************************/
-package org.eclipse.example.calc.internal;
-
-/**
- * Display abstraction for {@link Calculator}
- */
-public interface TextProvider {
-
- /**
- * @param text the text to display on the {@link Calculator}
- */
- public void setDisplayText(String text);
-
- /**
- * @return the text on the display of the {@link Calculator}
- */
- public String getDisplayText();
-
-}
+/*******************************************************************************
+ * Copyright (C) 2010, Stefan Lay <stefan.lay@sap.com>
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.example.calc.internal;
+
+/**
+ * Display abstraction for {@link Calculator}
+ */
+public interface TextProvider {
+
+ /**
+ * @param text the text to display on the {@link Calculator}
+ */
+ public void setDisplayText(String text);
+
+ /**
+ * @return the text on the display of the {@link Calculator}
+ */
+ public String getDisplayText();
+
+}
diff --git a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/ui/swt/CalculatorUI.java b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/ui/swt/CalculatorUI.java
index 2961499..a082ef3 100644
--- a/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/ui/swt/CalculatorUI.java
+++ b/org.eclipse.example.calc/src/org/eclipse/example/calc/internal/ui/swt/CalculatorUI.java
@@ -1,147 +1,147 @@
-/*******************************************************************************
- * Copyright (C) 2010, Stefan Lay <stefan.lay@sap.com>
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *******************************************************************************/
-package org.eclipse.example.calc.internal.ui.swt;
-
-import org.eclipse.example.calc.Operations;
-import org.eclipse.example.calc.internal.Calculator;
-import org.eclipse.example.calc.internal.TextProvider;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.events.SelectionListener;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Group;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.swt.widgets.Text;
-
-/*
- * A simple calculator featuring a SWT
- * UI.
- */
-public class CalculatorUI implements TextProvider, SelectionListener {
-
- private static final long serialVersionUID = 1L;
-
- private Calculator calculator;
-
- private Shell shell;
-
- private Text display;
-
- private Button[] numberButtons;
-
- private Button[] cmdButtons;
-
- public static void main(String[] args) {
- Display display = new Display();
- Shell shell = new CalculatorUI().open(display);
- while (!shell.isDisposed()) {
- if (!display.readAndDispatch())
- display.sleep();
- }
- display.dispose();
- }
-
- private Shell open(Display display) {
- shell = new Shell(display);
- setupGUI();
-
- shell.pack();
- shell.open();
- return shell;
- }
-
- public CalculatorUI() {
- calculator = new Calculator(this);
- }
-
- private void setupGUI() {
- shell.setText(Calculator.NAME);
- GridLayout gridLayout = new GridLayout();
- gridLayout.numColumns = 1;
- gridLayout.marginHeight = gridLayout.marginWidth = 0;
- shell.setLayout(gridLayout);
-
- setupDisplay();
- setupNumberButtons();
- setupCommandButtons();
-
- }
-
- private void setupDisplay() {
- GridData gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
- display = new Text(shell, SWT.BORDER_SOLID | SWT.RIGHT);
- display.setLayoutData(gridData);
- display.setText("0");
- calculator.setClearText(true);
- }
-
- private void setupNumberButtons() {
- Composite numberButtonsPanel = new Composite(shell, SWT.NONE);
- numberButtonsPanel.setLayout(new GridLayout(4, true));
- numberButtons = new Button[11];
-
- for (int i = 0; i < numberButtons.length - 1; i++) {
- addNumberButton(numberButtonsPanel, i, Integer.valueOf(i)
- .toString());
- }
- addNumberButton(numberButtonsPanel, 10, ".");
- }
-
- private void addNumberButton(Composite parent, int i, String name) {
- numberButtons[i] = new Button(parent, SWT.PUSH);
- numberButtons[i].setText(name);
- numberButtons[i].addSelectionListener(this);
- }
-
- private void setupCommandButtons() {
- // command buttons
- Group cmdButtonsPanel = new Group(shell, SWT.NONE);
- cmdButtonsPanel.setText("Operations");
- cmdButtonsPanel.setLayout(new GridLayout(4, true));
-
- cmdButtons = new Button[Operations.INSTANCE.size()];
-
- // make the buttons, set ActionListener and add to panel
- for (int i = 0; i < cmdButtons.length; i++) {
- addCommandButton(cmdButtonsPanel, i);
- }
- }
-
- private void addCommandButton(Composite parent, int i) {
- cmdButtons[i] = new Button(parent, SWT.NONE);
- cmdButtons[i].setText(Operations.INSTANCE.getOperationName(i));
- cmdButtons[i].addSelectionListener(this);
- }
-
- @Override
- public void widgetDefaultSelected(SelectionEvent arg0) {
- // empty
- }
-
- @Override
- public void widgetSelected(SelectionEvent event) {
- String str = ((Button) event.getSource()).getText();
- calculator.handleButtonClick(str);
- }
-
- @Override
- public void setDisplayText(String text) {
- display.setText(text);
- }
-
- @Override
- public String getDisplayText() {
- return display.getText();
- }
-
-}
+/*******************************************************************************
+ * Copyright (C) 2010, Stefan Lay <stefan.lay@sap.com>
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.example.calc.internal.ui.swt;
+
+import org.eclipse.example.calc.Operations;
+import org.eclipse.example.calc.internal.Calculator;
+import org.eclipse.example.calc.internal.TextProvider;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Group;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+
+/*
+ * A simple calculator featuring a SWT
+ * UI.
+ */
+public class CalculatorUI implements TextProvider, SelectionListener {
+
+ private static final long serialVersionUID = 1L;
+
+ private Calculator calculator;
+
+ private Shell shell;
+
+ private Text display;
+
+ private Button[] numberButtons;
+
+ private Button[] cmdButtons;
+
+ public static void main(String[] args) {
+ Display display = new Display();
+ Shell shell = new CalculatorUI().open(display);
+ while (!shell.isDisposed()) {
+ if (!display.readAndDispatch())
+ display.sleep();
+ }
+ display.dispose();
+ }
+
+ private Shell open(Display display) {
+ shell = new Shell(display);
+ setupGUI();
+
+ shell.pack();
+ shell.open();
+ return shell;
+ }
+
+ public CalculatorUI() {
+ calculator = new Calculator(this);
+ }
+
+ private void setupGUI() {
+ shell.setText(Calculator.NAME);
+ GridLayout gridLayout = new GridLayout();
+ gridLayout.numColumns = 1;
+ gridLayout.marginHeight = gridLayout.marginWidth = 0;
+ shell.setLayout(gridLayout);
+
+ setupDisplay();
+ setupNumberButtons();
+ setupCommandButtons();
+
+ }
+
+ private void setupDisplay() {
+ GridData gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
+ display = new Text(shell, SWT.BORDER_SOLID | SWT.RIGHT);
+ display.setLayoutData(gridData);
+ display.setText("0");
+ calculator.setClearText(true);
+ }
+
+ private void setupNumberButtons() {
+ Composite numberButtonsPanel = new Composite(shell, SWT.NONE);
+ numberButtonsPanel.setLayout(new GridLayout(4, true));
+ numberButtons = new Button[11];
+
+ for (int i = 0; i < numberButtons.length - 1; i++) {
+ addNumberButton(numberButtonsPanel, i, Integer.valueOf(i)
+ .toString());
+ }
+ addNumberButton(numberButtonsPanel, 10, ".");
+ }
+
+ private void addNumberButton(Composite parent, int i, String name) {
+ numberButtons[i] = new Button(parent, SWT.PUSH);
+ numberButtons[i].setText(name);
+ numberButtons[i].addSelectionListener(this);
+ }
+
+ private void setupCommandButtons() {
+ // command buttons
+ Group cmdButtonsPanel = new Group(shell, SWT.NONE);
+ cmdButtonsPanel.setText("Operations");
+ cmdButtonsPanel.setLayout(new GridLayout(4, true));
+
+ cmdButtons = new Button[Operations.INSTANCE.size()];
+
+ // make the buttons, set ActionListener and add to panel
+ for (int i = 0; i < cmdButtons.length; i++) {
+ addCommandButton(cmdButtonsPanel, i);
+ }
+ }
+
+ private void addCommandButton(Composite parent, int i) {
+ cmdButtons[i] = new Button(parent, SWT.NONE);
+ cmdButtons[i].setText(Operations.INSTANCE.getOperationName(i));
+ cmdButtons[i].addSelectionListener(this);
+ }
+
+ @Override
+ public void widgetDefaultSelected(SelectionEvent arg0) {
+ // empty
+ }
+
+ @Override
+ public void widgetSelected(SelectionEvent event) {
+ String str = ((Button) event.getSource()).getText();
+ calculator.handleButtonClick(str);
+ }
+
+ @Override
+ public void setDisplayText(String text) {
+ display.setText(text);
+ }
+
+ @Override
+ public String getDisplayText() {
+ return display.getText();
+ }
+
+}
