com.mirth.connect.plugins.imageviewer.ImageViewer.java Source code

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Here is the source code for com.mirth.connect.plugins.imageviewer.ImageViewer.java

Source

/*
 * Copyright (c) Mirth Corporation. All rights reserved.
 * 
 * http://www.mirthcorp.com
 * 
 * The software in this package is published under the terms of the MPL license a copy of which has
 * been included with this distribution in the LICENSE.txt file.
 */

package com.mirth.connect.plugins.imageviewer;

import java.awt.Dimension;
import java.awt.Point;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;

import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.UIManager;

import org.apache.commons.codec.binary.Base64InputStream;
import org.apache.commons.lang.StringUtils;

import com.mirth.connect.donkey.model.message.attachment.Attachment;
import com.mirth.connect.plugins.AttachmentViewer;

public class ImageViewer extends AttachmentViewer {

    private BufferedImage image;

    static {
        /*
         * MIRTH-2130: ImageIO does not scan for plugins correctly on its own in mac os.
         */
        ImageIO.scanForPlugins();
    }

    public ImageViewer(String name) {
        super(name);
    }

    public boolean handleMultiple() {
        return false;
    }

    public void viewAttachments(String channelId, Long messageId, String attachmentId) {

        JFrame frame = new JFrame("Image Viewer");

        try {

            Attachment attachment = parent.mirthClient.getAttachment(channelId, messageId, attachmentId);
            byte[] rawData = attachment.getContent();
            ByteArrayInputStream bis = new ByteArrayInputStream(rawData);

            image = ImageIO.read(new Base64InputStream(bis));

            JScrollPane pictureScrollPane = new JScrollPane(new JLabel(new ImageIcon(image)));
            pictureScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
            pictureScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
            frame.add(pictureScrollPane);

            frame.addWindowListener(new WindowAdapter() {

                public void windowClosing(WindowEvent e) {
                    e.getWindow().dispose();
                }
            });

            frame.pack();

            int imageWidth = image.getWidth();
            int imageHeight = image.getHeight();

            // Resize the frame so that it fits and scrolls images larger than
            // 800x600 properly.
            if (imageWidth > 800 || imageHeight > 600) {
                int width = imageWidth;
                int height = imageHeight;
                if (imageWidth > 800) {
                    width = 800;
                }
                if (imageHeight > 600) {
                    height = 600;
                }

                // Also add the scrollbars to the window width if necessary.
                Integer scrollBarWidth = (Integer) UIManager.get("ScrollBar.width");
                int verticalScrollBar = 0;
                int horizontalScrollBar = 0;

                if (width == 800) {
                    horizontalScrollBar = scrollBarWidth.intValue();
                }
                if (height == 600) {
                    verticalScrollBar = scrollBarWidth.intValue();
                }

                // Also add the window borders to the width.
                width = width + frame.getInsets().left + frame.getInsets().right + verticalScrollBar;
                height = height + frame.getInsets().top + frame.getInsets().bottom + horizontalScrollBar;

                frame.setSize(width, height);
            }

            Dimension dlgSize = frame.getSize();
            Dimension frmSize = parent.getSize();
            Point loc = parent.getLocation();

            if ((frmSize.width == 0 && frmSize.height == 0) || (loc.x == 0 && loc.y == 0)) {
                frame.setLocationRelativeTo(null);
            } else {
                frame.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x,
                        (frmSize.height - dlgSize.height) / 2 + loc.y);
            }

            frame.setVisible(true);
        } catch (Exception e) {
            parent.alertThrowable(parent, e);
        }
    }

    @Override
    public boolean isContentTypeViewable(String contentType) {
        return StringUtils.containsIgnoreCase(contentType, "image");
    }

    @Override
    public void start() {
    }

    @Override
    public void stop() {
    }

    @Override
    public void reset() {
    }

    @Override
    public String getPluginPointName() {
        return "Image Viewer";
    }
}