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// specify the package

package userinterface;

// system imports

import impresario.IModel;

import javafx.event.Event;

import javafx.geometry.HPos;

import javafx.geometry.Insets;

import javafx.geometry.Pos;

import javafx.scene.Node;

import javafx.scene.control.Button;

import javafx.scene.layout.GridPane;

import javafx.scene.layout.VBox;

import javafx.scene.paint.Color;

import javafx.scene.text.Font;

import javafx.scene.text.FontWeight;

import javafx.scene.text.Text;

import javafx.scene.text.TextAlignment;

// project imports

/**

* The class containing the Teller View for the ATM application

*/

public class LibrarianView extends View {

// For showing error message

private MessageView statusLog;

// constructor for this class -- takes a model object

LibrarianView(IModel librarian) {

super(librarian, "LibrarianView");

// create a container for showing the contents

VBox container = new VBox(10);

container.setAlignment(Pos.CENTER);

container.setPadding(new Insets(50, 25, 0, 25));

// create a Node (Text) for showing the title

container.getChildren().add(createTitle());

// create a Node (GridPane) for showing data entry fields

container.getChildren().add(createFormContents());

// Error message area

container.getChildren().add(createStatusLog(" "));

getChildren().add(container);

// STEP 0: Be sure you tell your model what keys you are interested in

myModel.subscribe("TransactionError", this);

}

// Create the label (Text) for the title of the screen

private Node createTitle() {

Text titleText = new Text(" Brockport Library System ");

titleText.setFont(Font.font("Arial", FontWeight.BOLD, 20));

titleText.setTextAlignment(TextAlignment.CENTER);

titleText.setFill(Color.BLACK);

return titleText;

}

// Create the main form contents

private GridPane createFormContents() {

GridPane grid = new GridPane();

grid.setPrefWidth(250);

grid.setAlignment(Pos.CENTER);

grid.setHgap(15);

grid.setVgap(15);

grid.setPadding(new Insets(25, 25, 0, 25));

// New book

Button insertNewBook = new Button("Insert New Book");

insertNewBook.setOnAction(

// Lambda function call to stateChangeRequest

e -> myModel.stateChangeRequest("NewBook", ""));

insertNewBook.setMinWidth(grid.getPrefWidth());

grid.add(insertNewBook, 0,0);

GridPane.setHalignment(insertNewBook, HPos.CENTER);

// New patron

Button insertNewPatron = new Button("Insert New Patron");

insertNewPatron.setOnAction(

// Lambda function call to stateChangeRequest

e -> myModel.stateChangeRequest("NewPatron", ""));

insertNewPatron.setMinWidth(grid.getPrefWidth());

grid.add(insertNewPatron, 0,1);

GridPane.setHalignment(insertNewPatron, HPos.CENTER);

// Search books

Button searchBooks = new Button("Search Books");

searchBooks.setOnAction(

// Lambda function call to stateChangeRequest

e -> myModel.stateChangeRequest("SearchBookView", ""));

searchBooks.setMinWidth(grid.getPrefWidth());

grid.add(searchBooks, 0,2);

GridPane.setHalignment(searchBooks, HPos.CENTER);

// Search patrons

Button searchPatrons = new Button("Search Patrons");

searchPatrons.setOnAction(

// Lambda function call to stateChangeRequest

e -> myModel.stateChangeRequest("SearchPatronView", ""));

searchPatrons.setMinWidth(grid.getPrefWidth());

grid.add(searchPatrons, 0,3);

GridPane.setHalignment(searchPatrons, HPos.CENTER);

Button doneButton = new Button("Done");

doneButton.setOnAction(e -> System.exit(1));

doneButton.setMinWidth(grid.getPrefWidth());

// HBox btnContainer = new HBox(10);

// btnContainer.setAlignment(Pos.BOTTOM_RIGHT);

// btnContainer.getChildren().add(doneButton);

// grid.add(btnContainer, 0, 4);

grid.add(doneButton, 0, 6);

GridPane.setHalignment(doneButton, HPos.CENTER);

return grid;

}

// Create the status log field

private MessageView createStatusLog(String initialMessage) {

return statusLog = new MessageView(initialMessage);

}

// This method processes events generated from our GUI components.

// Make the ActionListeners delegate to this method

private void processAction(Event e) {

// this.e = e;

System.out.println("TellerView.actionPerformed() " + e);

System.out.println(e.getTarget());

clearErrorMessage();

}

public void updateState(String key, Object value) {

// STEP 6: Be sure to finish the end of the 'perturbation'

// by indicating how the view state gets updated.

if (key.equals("LoginError")) {

// display the passed text

displayErrorMessage((String) value);

}

}

/**

* Display error message

*/

public void displayErrorMessage(String message) {

statusLog.displayErrorMessage(message);

}

/**

* Clear error message

*/

public void clearErrorMessage() {

statusLog.clearErrorMessage();

}

}