Add password generator and show/hide password check box, Issue #36

src/com/masterhash/gui/NewLogin.java

@@ -1,9 +1,12 @@
 package com.masterhash.gui;
 
+import java.util.Random;
+
 import javafx.geometry.Insets;
 import javafx.geometry.Pos;
 import javafx.scene.Scene;
 import javafx.scene.control.Button;
+import javafx.scene.control.CheckBox;
 import javafx.scene.control.Label;
 import javafx.scene.control.PasswordField;
 import javafx.scene.control.TextField;
@@ -34,22 +37,70 @@ public static void display() {
 		TextField userNameTextField = new TextField();
 		userNameTextField.setPromptText("Username");
 
-		PasswordField passwordField = new PasswordField();
+		TextField passtextfield = new TextField(); // Used for displaying password when Check box is checked
+		passtextfield.setPromptText("Password");
+		passtextfield.setManaged(false);
+		passtextfield.setVisible(false);
+
+		PasswordField passwordField = new PasswordField(); // Actual password field
 		passwordField.setPromptText("Password");
-		Button generateButton = new Button("Generate");
+	    CheckBox checkBox = new CheckBox("Show/Hide password");// To toggle
+		Button generateButton = new Button("Generate"); 
+		// Interchanging between Password Field when password is hidden and Text Field when its not
+		passtextfield.managedProperty().bind(checkBox.selectedProperty());
+	    passtextfield.visibleProperty().bind(checkBox.selectedProperty());
+	    passwordField.managedProperty().bind(checkBox.selectedProperty().not());
+	    passwordField.visibleProperty().bind(checkBox.selectedProperty().not());
+	    passtextfield.textProperty().bindBidirectional(passwordField.textProperty());
 
+		generateButton.setOnAction(e ->{
+
+			passwordField.setText(GeneratePassword());
+
+		});
+
+
+
 		HBox generatePasswordArea = new HBox();
-		generatePasswordArea.getChildren().addAll(passwordField, generateButton);
+		generatePasswordArea.getChildren().addAll(passwordField,passtextfield, generateButton);
 
 		Button submitButton = new Button("Submit");
 
 		VBox layout = new VBox(10);
 		layout.setPadding(new Insets(0, 20, 0, 20));
 		layout.setAlignment(Pos.CENTER_LEFT);
-		layout.getChildren().addAll(headingLabel, nameTextField, userNameTextField, generatePasswordArea, submitButton);
+		layout.getChildren().addAll(headingLabel, nameTextField, userNameTextField, generatePasswordArea,checkBox, submitButton);
 
 		Scene scene = new Scene(layout, 300, 400);
 		window.setScene(scene);
 		window.showAndWait();
 	}
+
+	public static String GeneratePassword()
+	{
+		int len=10; //length of password hard coded
+
+		String capital_letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+        String small_letters = "abcdefghijklmnopqrstuvwxyz";
+        String numbers = "0123456789";
+        String symbols = "!@#$%^&*_=+-/.?<>)";
+
+        String chars=capital_letters+small_letters+numbers+symbols;
+
+        Random random = new Random();
+
+        char[] password = new char[len];
+
+        for (int i = 0; i < len; i++)
+        {
+            password[i] = chars.charAt(random.nextInt(chars.length()));
+
+        }
+        String pass=new String(password);
+
+        return pass; 
+	}
+
+
+
 }

src/com/masterhash/gui/Welcome.java

@@ -48,7 +48,7 @@ public void start(Stage primaryStage) throws Exception {
 		VBox fileBox = setupFileBox();
 		HBox signUpAndSubmitButtons = setupSignUpAndSubmitButtons();
 
-		// Adding componenets to main layout box
+		// Adding components to main layout box
 		vBox.getChildren().addAll(masterHashTitle, usernameAndPasswordBox, fileBox, signUpAndSubmitButtons);
 		vBox.setAlignment(Pos.TOP_CENTER);
 
@@ -116,7 +116,7 @@ private static HBox setupSignUpAndSubmitButtons() {
 			window.close();
 		});
 		signUpButton.setOnAction(e -> {
-			Home.display();
+			NewLogin.display();
 			window.close();
 		});