Local View; cannot Drag and Drop yet

GameView.java

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+import java.awt.*;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.Transferable;
+import java.awt.datatransfer.UnsupportedFlavorException;
+import java.awt.dnd.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.io.IOException;
+
+import javax.swing.*;
+
+public class GameView implements ActionListener, DropTargetListener{
+	private JFrame mainFrame;
+	private JPanel titlePanel;
+	private JPanel gamePanel;
+	private ImageIcon[] diceImages = new ImageIcon[24];
+	private JLabel[] dice = new JLabel[24];
+	private JButton menuButton;
+	private JLabel gameLabel;
+	private JPanel resources;
+	private JPanel forbidden;
+	private JPanel permitted;
+	private JPanel required;
+	private JPanel workingSolution;
+	private JPanel gameSolution;
+	private DropTarget res;
+	private DropTarget fbd;
+	private DropTarget pmt;
+	private DropTarget req;
+	private DropTarget ws;
+	private DropTarget gs;
+
+	public GameView() {
+		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+
+		//Establishes the main frame
+		mainFrame = new JFrame("Equations");
+		mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+	    mainFrame.setSize(screenSize.width, screenSize.height);
+	    mainFrame.setLayout(new BorderLayout());
+
+	    //Makes the menu button and the game title
+	    titlePanel = new JPanel();
+	    gameLabel = new JLabel("Equations");
+	    gameLabel.setFont(new Font("Times New Roman", Font.BOLD, 36));
+	    gameLabel.setHorizontalAlignment(JLabel.CENTER);
+	    menuButton = new JButton("Menu");
+	    menuButton.addActionListener(this);
+	    menuButton.setSize(500,200);
+	    menuButton.setHorizontalAlignment(JButton.LEFT);
+	    titlePanel.add(menuButton);
+	    titlePanel.add(gameLabel);
+
+
+	    //Makes the panel for the game itself
+	    gamePanel = new JPanel(new GridLayout(3,1,0,0));
+
+		//Makes the resources mat
+		resources = new JPanel();
+		resources.setBackground(Color.MAGENTA);
+		resources.setBorder(BorderFactory.createLineBorder(Color.BLACK));
+
+		//This add the dice. Will change in future builds
+		String[] dieFaces = new String[24];
+		for(int i = 0; i < dieFaces.length-1; i++) {
+			dieFaces[i] = "resources/plain.png";
+		}
+		dieFaces[dieFaces.length-1] = "resources/sad.png";
+		makeDice(dieFaces);
+		for(JLabel die : dice) {
+			resources.add(die);
+		}
+
+
+		//Makes the forbidden, permitted, and required mats. 
+		JPanel green = new JPanel();
+		GridLayout diceDrops = new GridLayout(1,3,0,0);
+		green.setLayout(diceDrops);
+		forbidden = new JPanel();
+		forbidden.setBackground(Color.GREEN);
+		forbidden.setBorder(BorderFactory.createLineBorder(Color.BLACK));
+		forbidden.setTransferHandler(new TransferHandler("icon"));
+		permitted = new JPanel();
+		permitted.setBackground(Color.GREEN);
+		permitted.setBorder(BorderFactory.createLineBorder(Color.BLACK));
+		permitted.setTransferHandler(new TransferHandler("icon"));
+		required = new JPanel();
+		required.setBackground(Color.GREEN);
+		required.setBorder(BorderFactory.createLineBorder(Color.BLACK));
+		required.setTransferHandler(new TransferHandler("icon"));
+		green.add(forbidden);
+		green.add(permitted);
+		green.add(required);
+
+		//Makes the workingSolution and gameSolution mats
+		JPanel purple = new JPanel();
+		GridLayout solutions = new GridLayout(1,2,0,0);
+		purple.setLayout(solutions);
+		workingSolution = new JPanel();
+		workingSolution.setBackground(Color.MAGENTA);
+		workingSolution.setBorder(BorderFactory.createLineBorder(Color.BLACK));
+		workingSolution.setTransferHandler(new TransferHandler("icon"));
+		gameSolution = new JPanel();
+		gameSolution.setBackground(Color.MAGENTA);
+		gameSolution.setBorder(BorderFactory.createLineBorder(Color.BLACK));
+		gameSolution.setTransferHandler(new TransferHandler("icon"));
+		purple.add(workingSolution);
+		purple.add(gameSolution);
+
+		//Makes the parts of the mat droppable targets for the dice
+		res = new DropTarget(resources, this);
+		fbd = new DropTarget(forbidden, this);
+		pmt = new DropTarget(permitted, this);
+		req = new DropTarget(required, this);
+		ws = new DropTarget(workingSolution, this);
+		gs = new DropTarget(gameSolution, this);
+
+		//Add the mats to the game panel
+		gamePanel.add(resources);
+		gamePanel.add(green);
+		gamePanel.add(purple);
+
+		//Adds everything to the frame
+		mainFrame.add(titlePanel, BorderLayout.PAGE_START);
+		mainFrame.add(gamePanel, BorderLayout.CENTER);
+		mainFrame.setVisible(true);
+	}
+
+
+	private void makeDice(String[] dieFaces) {
+		DragMouseAdapter listener = new DragMouseAdapter();
+		for(int i = 0; i < diceImages.length; i++) {
+			diceImages[i] = new ImageIcon(dieFaces[i]);
+			dice[i] = new JLabel(diceImages[i]);
+			dice[i].addMouseListener(listener);
+			dice[i].setTransferHandler(new TransferHandler("icon"));
+		}
+	}
+
+    private class DragMouseAdapter extends MouseAdapter {
+        public void mousePressed(MouseEvent e) {
+            JComponent c = (JComponent) e.getSource();
+            TransferHandler handler = c.getTransferHandler();
+            handler.exportAsDrag(c, e, TransferHandler.COPY);
+        }
+    }
+
+    //Handles the event for the button
+	@Override
+	public void actionPerformed(ActionEvent arg0) {
+		System.out.println("Opens menu or goes back to home page");
+	}
+
+	//Handles the Drag and Drop events
+	@Override
+	public void dragEnter(DropTargetDragEvent arg0) {
+		System.out.println("Initiate drag enter");
+	}
+	@Override
+	public void dragExit(DropTargetEvent arg0) {
+		System.out.println("Initiate drag exit");
+	}
+	@Override
+	public void dragOver(DropTargetDragEvent arg0) {
+		System.out.println("Initiate drag over");
+	}
+	@Override
+	public void drop(DropTargetDropEvent arg0) {
+		if(arg0.getSource() == resources) {
+			System.out.println("Drop Not Allowed");
+		}
+		else {
+			System.out.println("Drop Allowed");
+		}
+	}
+	@Override
+	public void dropActionChanged(DropTargetDragEvent arg0) {
+		System.out.println("Drop Action Changed");
+	}
+
+	//Main is just for testing purposes to see how the view looks
+	public static void main(String[] args){
+		SwingUtilities.invokeLater(new Runnable() {
+			public void run() {
+				new GameView();
+			}
+		});
+	}
+}