/* * Copyright 2005-2007 JavaAtWork All rights reserved. * Use is subject to license terms. */package javaatwork.myuploader;import java.awt.BorderLayout;import java.awt.Color;import java.awt.Dimension;import java.awt.Font;import java.awt.Frame;import java.awt.GraphicsEnvironment;import java.awt.GridLayout;import java.awt.datatransfer.DataFlavor;import java.awt.datatransfer.Transferable;import java.awt.dnd.DropTarget;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.io.File;import java.lang.reflect.Method;import java.net.MalformedURLException;import java.net.URL;import java.util.Enumeration;import java.util.List;import javaatwork.myuploader.dialog.ImagePreview;import javaatwork.myuploader.dialog.MessageDialog;import javaatwork.myuploader.dialog.UploadDialog;import javaatwork.myuploader.domain.FormData;import javaatwork.myuploader.domain.FormInputField;import javaatwork.myuploader.listeners.BrowseActionListener;import javaatwork.myuploader.listeners.FileDropTargetListener;import javaatwork.myuploader.listeners.UploadActionListener;import javaatwork.myuploader.utils.ByteFormatter;import javaatwork.myuploader.utils.IconManager;import javaatwork.myuploader.utils.LocaleManager;import javaatwork.myuploader.utils.Logger;import javaatwork.myuploader.utils.Parameters;import javax.swing.BorderFactory;import javax.swing.ImageIcon;import javax.swing.JApplet;import javax.swing.JButton;import javax.swing.JDialog;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.SwingUtilities;import javax.swing.UIDefaults;import javax.swing.UIManager;/** * The main class for uploading files. *  * @author Johannes Postma */public class UploadApplet extends JApplet {	/**	 * serialVersionUID	 */	private static final long serialVersionUID = 2131742227112464111L;	// Instance variables	// --------------------------------------------------------	private UploadDialog dialog = null;	private String copyrightNotice = "MyUploader Source Code Edition version 1.8.1\n? Copyright JavaAtWork 2005-2007. All rights reserved.\n\n";	private Frame frame = null; // needed for the dialogs	private LocaleManager localeManager = null;		// Swing instance variables	// ----------------------------------------------------------	private FileTable table = null;	private JScrollPane pane = new JScrollPane();	private JPanel commandPanel = new JPanel();	private JPanel mainPanel = new JPanel();	private JPanel helpPanel = new JPanel();	private JPanel summaryPanel = new JPanel();	private JPanel summaryHelpPanel = new JPanel();	private JLabel labelFiles = null;	private JLabel labelF = null;	private JLabel labelSize = null;	private JLabel labelS = null;	private JButton buttonUpload = null;	private JButton buttonAdd = null;	private JButton buttonDelete = null;	private Color backgroundColor = null;	private MessageDialog messageDialog = null;		/**	 * Constructs a new UploadApplet	 */	public UploadApplet() {	}	/**	 * Initialise the applet	 */	public void init() {		System.out.println(copyrightNotice);		// Execute a job on the event-dispatching thread: 		// creating this applet's GUI.		try {			SwingUtilities.invokeAndWait(new Runnable() {				public void run() {					createGUI();				}			});		} catch (Exception e) {			Logger.log("UploadApplet", "init()", e.toString());		}	}	/**	 * Updates the summary panel.	 */	public void updateSummary() {		labelF.setText(String.valueOf(table.getNumberOfFiles()));				FormData data = new FormData();		data.addFormFileFields(table.getFormFileFields());				labelS.setText(ByteFormatter.format(data.getTotalByteSizeOfFiles()));	}	/**	 * Show a message.	 * 	 * @param message The message	 * @param messageType The messageType see JOptionPane.	 */	public void showMessage(Object message, int messageType) {		JOptionPane optionPane = new JOptionPane(message, messageType);		JDialog dial = optionPane.createDialog(this, localeManager.getString("message"));		dial.setModal(true);		dial.setVisible(true);	}	/**	 * Show a message.	 * 	 * @param message The message.	 * @param messageType The messageType see JOptionPane.	 * @return True if the user has click the OK button otherwise false.	 */	public boolean showYesNoMessage(Object message, int messageType) {		JOptionPane optionPane = new JOptionPane(message, messageType, JOptionPane.YES_NO_OPTION);		JDialog dial = optionPane.createDialog(this, localeManager.getString("message"));		dial.setModal(true);		dial.setVisible(true);				int returnValue = ((Integer)optionPane.getValue()).intValue();				if (returnValue == JOptionPane.OK_OPTION) {			return true;		} else {			return false;		}	}		/**	 * Creates the GUI.	 */	public void createGUI() {		Parameters.loadParameters(this);				localeManager = LocaleManager.getInstance();		Font defaultFont = new Font("SanSerif", Font.PLAIN, 12);		boolean chinese = false;		boolean korean = false;				if (Parameters.getParameter(Parameters.LANGUAGE, "en").startsWith("zh")) {			chinese = true;		}				if (Parameters.getParameter(Parameters.LANGUAGE, "en").startsWith("ko")) {			korean = true;		}				// search a Chinese Font		if (chinese) {						Font [] fonts = GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts();			String chineseString = "\u6280\u672f\u4e0a\u7684\u9519\u8bef";			 			 			for (int i = 0; i < fonts.length; i++) {				if (fonts[i].canDisplayUpTo(chineseString) == -1) {					defaultFont = fonts[i];					defaultFont = new Font(defaultFont.getFamily(), Font.PLAIN, 12);								break;				}			 }			 		}				else if (korean) {						Font [] fonts = GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts();			String koreanString = "\uc5c5\ub85c\ub4dc";			 			 			for (int i = 0; i < fonts.length; i++) {				if (fonts[i].canDisplayUpTo(koreanString) == -1) {					defaultFont = fonts[i];					defaultFont = new Font(defaultFont.getFamily(), Font.PLAIN, 12);								break;				}			 }			 		}				UIDefaults ud = UIManager.getDefaults();		Enumeration enumeration = ud.keys();				while (enumeration.hasMoreElements()) {			Object o = enumeration.nextElement();			if (o.toString().endsWith(".font")) {				UIManager.put(o, defaultFont);			}		}				table = new FileTable(this);				buttonUpload = new JButton(localeManager.getString("upload"));		buttonAdd = new JButton(localeManager.getString("add"));		buttonDelete = new JButton(localeManager.getString("delete"));		labelFiles = new JLabel(localeManager.getString("files") + ": ");		labelF = new JLabel("0");		labelSize = new JLabel(localeManager.getString("total_size") + ": ");		labelS = new JLabel("0 Kb");		String color = Parameters.getParameter(Parameters.BACKGROUND_COLOR, "#FFFFFF");		backgroundColor = new Color(Integer.parseInt(color.substring(1), 16));		// create the command panel		commandPanel.setLayout(new GridLayout(3, 0, 5, 5));		commandPanel.setBackground(backgroundColor);		commandPanel.add(buttonAdd);		commandPanel.add(buttonDelete);		commandPanel.add(buttonUpload);				// set drop target		pane.setDropTarget(new DropTarget(table, new FileDropTargetListener(this)));		URL codeBase = null;				try {			codeBase = this.getCodeBase();		} catch (NullPointerException npe) {			// in case of a stand alone application		}				ImageIcon iconAdd = IconManager.getImageIcon(Parameters.getParameter(Parameters.ICON_ADD, null), codeBase);				if (iconAdd != null) {			 buttonAdd.setIcon(iconAdd);		}				ImageIcon iconRemove = IconManager.getImageIcon(Parameters.getParameter(Parameters.ICON_REMOVE, null), codeBase);				if (iconAdd != null) {			 buttonDelete.setIcon(iconRemove);		}				ImageIcon iconUpload = IconManager.getImageIcon(Parameters.getParameter(Parameters.ICON_UPLOAD, null), codeBase);				if (iconUpload != null) {			 buttonUpload.setIcon(iconUpload);		}				// set properties		setSize(400, 250);		pane.getViewport().setBackground(Color.white);		pane.getViewport().add(table);		summaryHelpPanel.setLayout(new GridLayout(0, 2, 5, 5));		summaryHelpPanel.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5));		summaryHelpPanel.setBackground(backgroundColor);		JPanel summaryHelpPanel1 = new JPanel();		summaryHelpPanel1.setLayout(new BorderLayout());		summaryHelpPanel1.setBackground(backgroundColor);		summaryHelpPanel1.add(labelFiles, BorderLayout.WEST);		summaryHelpPanel1.add(labelF, BorderLayout.CENTER);		JPanel summaryHelpPanel2 = new JPanel();		summaryHelpPanel2.setLayout(new BorderLayout());		summaryHelpPanel2.setBackground(backgroundColor);		summaryHelpPanel2.add(labelSize, BorderLayout.WEST);		summaryHelpPanel2.add(labelS, BorderLayout.CENTER);		summaryHelpPanel.add(summaryHelpPanel1);		summaryHelpPanel.add(summaryHelpPanel2);		summaryPanel.setLayout(new BorderLayout());		summaryPanel.setBorder(BorderFactory.createTitledBorder(BorderFactory.createLineBorder(new Color(102, 102, 102)), " " + localeManager.getString("summary") + " "));		summaryPanel.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEmptyBorder(0, 3, 5, 3), summaryPanel.getBorder()));		summaryPanel.setBackground(backgroundColor);		summaryPanel.add(summaryHelpPanel, BorderLayout.CENTER);		helpPanel.setLayout(new BorderLayout());		helpPanel.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));		helpPanel.setBackground(backgroundColor);		helpPanel.add(commandPanel, BorderLayout.NORTH);				if (Parameters.getParameter(Parameters.SHOW_THUMBNAILS_IN_APPLET, false)) {						// the imagepreview can be 90 width			// buttons without images can be smaller			// therefore set the prefferd width			buttonAdd.setPreferredSize(new Dimension(100,20));			helpPanel.add(new ImagePreview(table), BorderLayout.CENTER);		}				mainPanel.setLayout(new BorderLayout());		mainPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));		mainPanel.setBackground(backgroundColor);		mainPanel.add(pane, BorderLayout.CENTER);		mainPanel.add(helpPanel, BorderLayout.EAST);		// add the panels to the applet		this.getContentPane().setBackground(backgroundColor);		this.getContentPane().add(mainPanel, BorderLayout.CENTER);		this.getContentPane().add(summaryPanel, BorderLayout.SOUTH);		frame = JOptionPane.getFrameForComponent(this);		messageDialog = new MessageDialog(frame);				frame.addWindowListener(new WindowAdapter() {			public void windowActivated(WindowEvent e) {				if (dialog != null) {					dialog.toFront();				}			}		});		// add the actionlistener needed for the search		buttonAdd.addActionListener(new BrowseActionListener(this));		// add the actionlistener needed for removal of files		buttonDelete.addActionListener(new ActionListener() {			public void actionPerformed(ActionEvent e) {				table.deleteFiles();				updateSummary();			}		});		// add the actionlistener needed for the upload		buttonUpload.addActionListener(new UploadActionListener(this));				// add the mouselistener needed to show the popup		// if the tablemodel is empty		pane.addMouseListener(new MouseAdapter() {			public void mousePressed(MouseEvent e) {				table.maybeShowPopup(e);			}			public void mouseReleased(MouseEvent e) {				table.maybeShowPopup(e);			}		});	}	/**	 * Paste the files of the clipboard to the table.	 * 	 * @param flavors The DataFlavor [].	 * @param transferable The transferable.	 */	public void paste(DataFlavor[] flavors, Transferable transferable) {		table.paste(flavors, transferable);	}		/** 	 * Adds the files to the table.	 * 	 * @param files The files to be added.	 */	public void addFiles(File [] files) {				table.addFiles(files);		updateSummary();	}		/**	 * Returns the frame of the applet. 	 * 	 * @return The frame.	 */	public Frame getFrame() {		return frame;	}		/**	 * Shows a message after a successful upload. This can be a pop-up	 * message or the user can be redirected to a success page. This	 * can be configured with the successURL.	 */	public void showSuccessMessage() {		String uri = Parameters.getParameter(Parameters.SUCCESS_URL, null);		if (uri != null) {			URL successURL = null;			try {				if (!uri.startsWith("http")) {					URL codeBase = this.getCodeBase();					successURL = new URL(codeBase, uri);				} else {					successURL = new URL(uri);				}								this.getAppletContext().showDocument(successURL, "_self");			} catch (MalformedURLException mue) {				table.deleteAllFiles();				updateSummary();				messageDialog.showMessageDialog(localeManager.getString("upload_completed"), localeManager.getString("message"), JOptionPane.INFORMATION_MESSAGE);			}		} else {			table.deleteAllFiles();			updateSummary();			messageDialog.showMessageDialog(localeManager.getString("upload_completed"), localeManager.getString("message"), JOptionPane.INFORMATION_MESSAGE);					}	}		/**	 * Returns the data to be uploaded.	 * 	 * @return FormData.	 */	public FormData getFormData() throws Exception {				FormData formData = new FormData();		formData.addFormFileFields(table.getFormFileFields());				String directory = Parameters.getParameter(Parameters.DIRECTORY, null);				if (directory != null) {			formData.addFormInputField(new FormInputField("directory", directory));		}				// retrieve the fields of the HTML Form		String form = Parameters.getParameter(Parameters.FORM, null);				if (form != null) {						Class clss = Class.forName("com.javaatwork.myuploader.addon.form.FormAddOn");			Class[] parameterTypes = new Class[] {JApplet.class, String.class};			Method meth = clss.getMethod("getFormFields", parameterTypes);											  			Object[] arguments = new Object[] {this, form};			List list = (List)meth.invoke(clss.newInstance(), arguments);							for (int i = 0; i < list.size(); i++) {				List lst = (List)list.get(i);				FormInputField field = new FormInputField(lst.get(0).toString(), lst.get(1).toString());				formData.addFormInputField(field);			}		}				return formData;	}}