// **********************************************************************// // <copyright>// //  BBN Technologies//  10 Moulton Street//  Cambridge, MA 02138//  (617) 873-8000// //  Copyright (C) BBNT Solutions LLC. All rights reserved.// // </copyright>// **********************************************************************// // $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/gui/menu/SaveAsImageMenuItem.java,v $// $RCSfile: SaveAsImageMenuItem.java,v $// $Revision: 1.4.2.1 $// $Date: 2004/10/14 18:26:56 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.gui.menu;import javax.swing.*;import java.awt.event.*;import java.io.*;import com.bbn.openmap.*;import com.bbn.openmap.util.Debug;import com.bbn.openmap.image.*;/** * A MenuItem that is capable of looking at MapBean and saving it as * an Image */public class SaveAsImageMenuItem extends MapHandlerMenuItem implements        ActionListener {    AbstractImageFormatter formatter = null;    /**     * @param display A String that will be displayed when this     *        menuitem is shown in GUI     * @param in_formatter A formatter that knows how to generate an     *        image from MapBean.     */    public SaveAsImageMenuItem(String display,            AbstractImageFormatter in_formatter) {        super(display);        formatter = in_formatter;        addActionListener(this);    }    public void actionPerformed(ActionEvent ae) {        Debug.message("saveimage", "SaveAsImageMenuItem: actionPerformed");        if (mapHandler == null) {            Debug.output("SaveAsImageMenuItem: mapHandler = null, returning");            return;        }        MapBean mb = (MapBean) mapHandler.get("com.bbn.openmap.MapBean");        if (mb != null) {            Debug.message("saveimage", "MapBean found, creating image");            try {                while (true) {                    SaveAsImageFileChooser chooser = new SaveAsImageFileChooser(mb.getWidth(), mb.getHeight());                    int returnVal = chooser.showSaveDialog(getParent());                    if (returnVal == JFileChooser.APPROVE_OPTION) {                        String filename = chooser.getSelectedFile()                                .getAbsolutePath();                        if (formatter == null) {                            break;                        }                        filename = checkFileName(filename,                                formatter.getFormatLabel().toLowerCase());                        if (filename == null) {                            // This is the reason for the while                            // loop, the name didn't really pass                            // muster, so we'll try again.                            continue;                        }                        int imageHeight = chooser.getImageHeight();                        int imageWidth = chooser.getImageWidth();                        byte[] imageBytes = formatter.getImageFromMapBean(mb,                                imageWidth,                                imageHeight);                        FileOutputStream binFile = new FileOutputStream(filename);                        binFile.write(imageBytes);                        binFile.close();                        if (Debug.debugging("saveimage")) {                            com.bbn.openmap.proj.Projection proj = mb.getProjection();                            Debug.output("Created image at " + filename                                    + "where projection covers "                                    + proj.getUpperLeft() + " to "                                    + proj.getLowerRight());                        }                        break;                    } else if (returnVal == JFileChooser.CANCEL_OPTION) {                        break;                    }                }            } catch (IOException e) {                Debug.error("SaveAsImageMenuItem: " + e);            }        }        return;    }    /**     * A little method that checks the file path to see if it exists,     * and modifies it with the imageSuffix if it doesn't have one     * specified by the user. Asks the user if it's OK to overwrite if     * the file exists.     *      * @param filePath absolute file path to check.     * @param imageSuffix suffix to append to filePath if it doesn't     *        already have one. This word should not contain a     *        starting '.'.     * @return null if name is no good, a String to use if good.     */    protected String checkFileName(String filePath, String imageSuffix) {        String fileName = filePath.substring(filePath.lastIndexOf(File.separator));        String newFilePath;        if (fileName.indexOf('.') == -1) {            newFilePath = filePath + "." + imageSuffix;        } else {            // else leave it alone, user specified suffix            newFilePath = filePath;        }        File file = new File(newFilePath);        if (file.exists()) {            // Check to see if it is alright to overwrite.            int choice = JOptionPane.showConfirmDialog(null,                    "The file " + newFilePath + " exists, replace?",                    "Confirm File Replacement",                    JOptionPane.YES_NO_OPTION);            if (choice != JOptionPane.YES_OPTION) {                newFilePath = null;            }        }        return newFilePath;    }}