From 697bc0bae293a9f31c00f6e10f33955151228f64 Mon Sep 17 00:00:00 2001
From: Benjamin Culkin <bjculkin@mix.wvu.edu>
Date: Wed, 25 Apr 2018 12:52:52 -0700
Subject: Initial commit

---
 src/bjc/imgchain/ImgViewer.java | 200 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 200 insertions(+)
 create mode 100644 src/bjc/imgchain/ImgViewer.java

(limited to 'src/bjc/imgchain/ImgViewer.java')

diff --git a/src/bjc/imgchain/ImgViewer.java b/src/bjc/imgchain/ImgViewer.java
new file mode 100644
index 0000000..39586a8
--- /dev/null
+++ b/src/bjc/imgchain/ImgViewer.java
@@ -0,0 +1,200 @@
+package bjc.imgchain;
+
+import java.awt.GridLayout;
+import java.awt.Image;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import javax.imageio.ImageIO;
+import javax.swing.*;
+
+import bjc.imgchain.utils.SimpleInputPanel;
+
+public class ImgViewer extends JInternalFrame {
+	private final class ScaleImageListener implements ActionListener {
+		@Override
+		public void actionPerformed(ActionEvent ev) {
+			int height = Integer.parseInt(JOptionPane.showInputDialog("Enter new image height"));
+			int width = Integer.parseInt(JOptionPane.showInputDialog("Enter new image width"));
+			
+			icon.setImage(icon.getImage().getScaledInstance(width, height, Image.SCALE_DEFAULT));
+			
+			repaint();
+		}
+	}
+
+	private final class ReloadImageListener implements ActionListener {
+		private final File img;
+
+		private ReloadImageListener(File img) {
+			this.img = img;
+		}
+
+		@Override
+		public void actionPerformed(ActionEvent ev) {
+			try {
+				icon.setImage(ImageIO.read(img));
+			} catch (IOException e) {
+				String msg = String.format("Error: Could not load image %s", img.getPath());
+
+				System.out.printf("%s\n", msg);
+
+				e.printStackTrace();
+
+				JOptionPane.showInternalMessageDialog(ImgViewer.this, msg, "Error loading image",
+						JOptionPane.ERROR_MESSAGE);
+			}
+		}
+	}
+
+	private final class ChangeImageListener implements ActionListener {
+		@Override
+		public void actionPerformed(ActionEvent ev) {
+			JFileChooser jfc = new JFileChooser();
+			jfc.setMultiSelectionEnabled(false);
+
+			int res = jfc.showOpenDialog(ImgViewer.this);
+
+			if (res != JFileChooser.APPROVE_OPTION) {
+				return;
+			}
+
+			try {
+				File tmp = jfc.getSelectedFile();
+
+				icon.setImage(ImageIO.read(tmp));
+
+				img = tmp;
+			} catch (IOException e) {
+				String msg = String.format("Error: Could not load image %s", img.getPath());
+
+				System.out.printf("%s\n", msg);
+
+				e.printStackTrace();
+
+				JOptionPane.showInternalMessageDialog(null, msg, "Error loading image",
+						JOptionPane.ERROR_MESSAGE);
+			}
+		}
+	}
+
+	private static final long serialVersionUID = -4727584150861526435L;
+
+	private File img;
+
+	private boolean initted;
+
+	private ImageIcon icon;
+
+	private ImgChain desktop;
+	
+	public ImgViewer(ImgChain desk, File img) {
+		super("Image Viewer - " + img.getName(), true, true, true, true);
+		initted = false;
+
+		this.img = img;
+		this.desktop = desk;
+
+		initted = setupGUI(img);
+	}
+
+	private boolean setupGUI(File img) {
+		setSize(320, 240);
+		setLayout(new GridLayout(1, 1));
+
+		JMenuBar bar = setupMenubar(img);
+
+		setJMenuBar(bar);
+
+		JLabel lab = loadLabel(img);
+		if (lab == null) {
+			return false;
+		}
+
+		add(lab);
+
+		return true;
+	}
+
+	private JMenuBar setupMenubar(File img) {
+		JMenuBar bar = new JMenuBar();
+
+		JMenu fileMenu = new JMenu("File");
+		fileMenu.setMnemonic('F');
+
+		JMenuItem changeImage = new JMenuItem("Change Image");
+		changeImage.setMnemonic('C');
+		changeImage.addActionListener(new ChangeImageListener());
+
+		JMenuItem reloadImage = new JMenuItem("Reload Image");
+		reloadImage.setMnemonic('R');
+		reloadImage.addActionListener(new ReloadImageListener(img));
+		
+		JMenuItem storeImage = new JMenuItem("Store Image");
+		storeImage.setMnemonic('S');
+		storeImage.addActionListener((ev) -> {
+			String inp = JOptionPane.showInternalInputDialog(this, "Enter name to store image under");
+			
+			if(inp == null) return;
+			
+			inp = inp.trim();
+			
+			if(inp.equals("")) {
+				return;
+			}
+			
+			desktop.addImage(inp, icon.getImage());
+		});
+		
+		fileMenu.add(changeImage);
+		fileMenu.add(reloadImage);
+		fileMenu.addSeparator();
+		fileMenu.add(storeImage);
+		
+		JMenu editMenu = new JMenu("Edit Image");
+		editMenu.setMnemonic('E');
+		
+		JMenuItem scaleImage = new JMenuItem("Scale Image");
+		scaleImage.setMnemonic('S');
+		scaleImage.addActionListener(new ScaleImageListener());
+		
+		editMenu.add(scaleImage);
+		
+		bar.add(fileMenu);
+		bar.add(editMenu);
+		return bar;
+	}
+
+	private JLabel loadLabel(File img) {
+		JLabel lab = null;
+
+		try {
+			URL imgURL = img.toURI().toURL();
+
+			icon = new ImageIcon(imgURL);
+
+			setSize(icon.getIconWidth(), icon.getIconHeight());
+
+			lab = new JLabel(icon);
+		} catch (MalformedURLException e) {
+			String msg = String.format("Error: Could not load image %s", img.getPath());
+
+			System.out.printf("%s\n", msg);
+
+			e.printStackTrace();
+
+			JOptionPane.showInternalMessageDialog(this, msg, "Error loading image",
+					JOptionPane.ERROR_MESSAGE);
+		}
+
+		return lab;
+	}
+
+	public boolean isInitialized() {
+		return initted;
+	}
+}
-- 
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