added calculator implemented with lambdas

Lesson18/.classpath

@@ -2,5 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="lib" path="D:/eclipse-jee-luna-R-win32/eclipse/plugins/org.eclipse.fx.ide.css.jfx8_1.0.0.201407180702.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

Lesson18/src/application/.classpath

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/Home">
+		<attributes>
+			<attribute name="owner.project.facets" value="java"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="oracle.eclipse.tools.glassfish.lib.system">
+		<attributes>
+			<attribute name="owner.project.facets" value="jst.web"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.web.container"/>
+	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
+	<classpathentry kind="lib" path="/Users/yfain11/glassfish41/mq/lib/jms.jar"/>
+	<classpathentry kind="lib" path="/Users/yfain11/glassfish41/mq/lib/imq.jar"/>
+	<classpathentry kind="output" path="build/classes"/>
+</classpath>

Lesson26/.project → Lesson18/src/application/.project

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>Lesson26</name>
+	<name>Lesson30</name>
 	<comment></comment>
 	<projects>
 	</projects>

Lesson26/.settings/org.eclipse.wst.common.component → Lesson18/src/application/.settings/org.eclipse.wst.common.component

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
-    <wb-module deploy-name="Lesson26">
+    <wb-module deploy-name="Lesson30">
         <wb-resource deploy-path="/" source-path="/WebContent" tag="defaultRootSource"/>
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src"/>
-        <property name="context-root" value="Lesson26"/>
-        <property name="java-output-path" value="/Lesson26/build/classes"/>
+        <property name="context-root" value="Lesson30"/>
+        <property name="java-output-path" value="/Lesson30/build/classes"/>
     </wb-module>
 </project-modules>

Lesson18/src/application/.settings/org.eclipse.wst.common.project.facet.core.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<faceted-project>
+  <runtime name="GlassFish 4.1"/>
+  <fixed facet="java"/>
+  <fixed facet="jst.web"/>
+  <fixed facet="wst.jsdt.web"/>
+  <installed facet="java" version="1.8"/>
+  <installed facet="jst.web" version="3.1"/>
+  <installed facet="glassfish.web" version="4.0"/>
+  <installed facet="wst.jsdt.web" version="1.0"/>
+</faceted-project>

Lesson18/src/application/CalculatorEngine.java

@@ -0,0 +1,8 @@
+package application;
+
+import javafx.event.ActionEvent;
+
+@FunctionalInterface
+public interface CalculatorEngine {
+	void processEvent(ActionEvent e, CalculatorPane parent);
+}

Lesson18/src/application/CalculatorPane.java

@@ -0,0 +1,204 @@
+package application;
+
+import javafx.scene.control.Button;
+import javafx.scene.control.TextField;
+import javafx.scene.layout.StackPane;
+
+public abstract class CalculatorPane extends StackPane{
+
+	private String firstNumber; 
+	private String operator; // selected action 
+	private double result;
+	private String previouslyPressedButton = "";
+
+	public void handle(CalculatorEngine engine) {
+		button0.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		button1.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		button2.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		button3.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		button4.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		button5.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		button6.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		button7.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		button8.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		button9.setOnAction((e) -> 
+		engine.processEvent(e,this));
+
+		buttonPoint.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonEqual.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonPlus.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonMinus.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonMult.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonDiv.setOnAction((e) -> 
+		engine.processEvent(e,this));
+
+		buttonSQRT.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonMOD.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonINV.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonOPP.setOnAction((e) -> 
+		engine.processEvent(e,this));
+
+		buttonBackspace.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonCE.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonC.setOnAction((e) -> 
+		engine.processEvent(e,this));
+
+		buttonMC.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonMR.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonMS.setOnAction((e) -> 
+		engine.processEvent(e,this));
+		buttonMPlus.setOnAction((e) -> 
+		engine.processEvent(e,this));
+	}
+
+	// Declare all calculator's components.
+	protected TextField displayField;
+
+	protected Button button0;
+	protected Button button1;
+	protected Button button2;
+	protected Button button3;
+	protected Button button4;
+	protected Button button5;
+	protected Button button6;
+	protected Button button7;
+	protected Button button8;
+	protected Button button9;
+	protected Button buttonPoint;
+	protected Button buttonEqual;
+	protected Button buttonPlus;
+	protected Button buttonMinus;
+	protected Button buttonMult;
+	protected Button buttonDiv;
+
+	protected Button buttonSQRT;
+	protected Button buttonMOD;
+	protected Button buttonINV;
+	protected Button buttonOPP;
+
+	protected Button buttonBackspace;
+	protected Button buttonCE;
+	protected Button buttonC;
+
+	protected Button buttonMC;
+	protected Button buttonMR;
+	protected Button buttonMS;
+	protected Button buttonMPlus;
+
+	// Constructor
+	public CalculatorPane(){
+		super();		
+		String backgroundStyle = "-fx-background-color: lightblue;"
+		+ "-fx-background-radius: 30%;"
+		+ "-fx-background-inset: 5px;";
+		super.setStyle(backgroundStyle);
+		setStyle(backgroundStyle);
+	}
+
+	// Define getter and setters
+
+	   public String getDisplayValue() {
+	        return displayField.getText();
+	    }
+
+	   public void setDisplayValue(String val){
+		   String textColor = "  -fx-text-fill: black";
+		   displayField.setStyle(textColor);
+		   displayField.setText(val);
+	   }
+
+	   public void setDisplayValue(String val, String color){
+		   String textColor = "  -fx-text-fill: " + color;
+		   displayField.setStyle(textColor);
+		   displayField.setText(val);
+	   }
+
+		public String getFirstNumber() {
+			return firstNumber;
+		}
+
+		public void setFirstNumber(String firstNumber) {
+			this.firstNumber = firstNumber;
+		}
+
+		public String getOperator() {
+			return operator;
+		}
+
+		public void setOperator(String operator) {
+			this.operator = operator;
+		}
+
+		public double getResult() {
+			return result;
+		}
+
+		public void setResult(double result) {
+			this.result = result;
+		}
+
+		public String getPreviouslyPressedButton() {
+			return previouslyPressedButton;
+		}
+
+		public void setPreviouslyPressedButton(String previouslyPressedButton) {
+			this.previouslyPressedButton = previouslyPressedButton;
+		}
+
+	   protected void setButtonStyles(String style){
+			button0.setId(style);
+			button1.setId(style);
+			button2.setId(style);
+			button3.setId(style);
+			button4.setId(style);
+			button5.setId(style);
+			button6.setId(style);
+			button7.setId(style);
+			button8.setId(style);
+			button9.setId(style);
+
+			buttonPoint.setId(style);
+			buttonEqual.setId(style);
+			buttonPlus.setId(style);
+			buttonMinus.setId(style);
+			buttonMult.setId(style);
+			buttonDiv.setId(style);
+
+			buttonSQRT.setId(style);
+			buttonMOD.setId(style);
+			buttonINV.setId(style);
+			buttonOPP.setId(style);
+
+			buttonBackspace.setId(style);
+			buttonCE.setId(style);
+			buttonC.setId(style);
+
+			buttonMC.setId(style);
+			buttonMR.setId(style);
+			buttonMS.setId(style);
+			buttonMPlus.setId(style);
+
+	   }
+
+}

Lesson18/src/application/FancyCalculatorPane.java

@@ -0,0 +1,24 @@
+package application;
+
+public class FancyCalculatorPane extends StandardCalculatorPane {
+
+	public FancyCalculatorPane(){
+		super();
+/*		
+		setStyle( " -fx-background-color: grey; "
+				+ "-fx-text-fill: white;"
+				+ "-fx-font-family: \"Times New Roman\";"
+				+ "-fx-font-size: 18px;");
+*/    	
+		setStyle( "-fx-border-radius: 30;"+
+		"-fx-border-width:5;"+
+		"-fx-border-color:blue;");
+
+		// Set button styles  
+
+		 setButtonStyles("chocolat");
+
+
+	}
+
+}