package class9_2_VirtualProxy_start;

import javax.swing.*;
import java.awt.*;
import java.io.IOException;
import java.net.URL;

/**
 * A basic image viewing application
 * @author hornick
 */
public class ImageViewer extends JFrame {

	// a UI component that contains the image
	private ImageComponent imageComponent;

	public static void main(String[] args){
		ImageViewer iv = new ImageViewer();
		iv.initUI();
	}

	// init the UI for this app
	private void initUI() {
		setTitle("Image Viewer");
        setSize(2048,1400);

        Icon icon = null;

        try {
            // Pictures that take a LONG time to load:
            // http://earthobservatory.nasa.gov/Features/NightLights/page3.php
            // http://eoimages.gsfc.nasa.gov/images/imagerecords/79000/79765/dnb_land_ocean_ice.2012.13500x6750.jpg -- sometimes loads on campus
            // http://eoimages.gsfc.nasa.gov/images/imagerecords/73000/73580/world.topo.bathy.200401.3x21600x21600.C2.jpg -- fails to load from home machine
            // http://eoimages.gsfc.nasa.gov/images/imagerecords/73000/73580/world.topo.bathy.200401.3x21600x10800.jpg -- also fails to load
            // https://www.google.com/search?q=very+high+resolution+image+earth&source=lnms&tbm=isch&sa=X&ved=0ahUKEwid0cGXkYDLAhVhmoMKHR72B54Q_AUIBygB&biw=1270&bih=865#q=very+high+resolution+image+earth&tbm=isch&tbs=isz:lt,islt:70mp&imgrc=8jYzHBBfu11rKM%3A
//            URL url = new URL("http://assets.overclock.net.s3.amazonaws.com/f/f7/f740be93_vbattach181511.jpeg");
//              URL url = new URL("http://eoimages.gsfc.nasa.gov/images/imagerecords/73000/73580/world.topo.bathy.200401.3x21600x10800.jpg");
            URL url = new URL("http://eoimages.gsfc.nasa.gov/images/imagerecords/79000/79765/dnb_land_ocean_ice.2012.13500x6750.jpg");
//            icon = new ImageProxy(url,this);
            icon = new ImageIcon(url);
        } catch (IOException e) {
            e.printStackTrace();  //TODO: change body of catch statement use File | Settings | File Templates.
        }

        // setSize(icon.getIconWidth() + 800,icon.getIconHeight() + 100);	 // set the window size
        imageComponent = new ImageComponent(icon); // add the icon to the canvas
        System.out.println("Scroll pane added");
        JPanel imageHolder = new JPanel(new BorderLayout());
        imageHolder.add(imageComponent,BorderLayout.CENTER);
        imageHolder.setPreferredSize(new Dimension(icon.getIconWidth(), icon.getIconHeight()));
        JScrollPane pictureScrollPane = new JScrollPane(imageHolder,ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
		add(pictureScrollPane);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setVisible(true);
    }
}