dmolony-DiskBrowser/src/com/bytezone/diskbrowser/gui/DataPanel.java

608 lines
20 KiB
Java
Executable File

package com.bytezone.diskbrowser.gui;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.RenderingHints;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.util.Enumeration;
import java.util.List;
import javax.swing.AbstractButton;
import javax.swing.ButtonGroup;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTextArea;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingConstants;
import javax.swing.SwingWorker;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import com.bytezone.diskbrowser.applefile.AbstractFile;
import com.bytezone.diskbrowser.applefile.ApplesoftBasicProgram;
import com.bytezone.diskbrowser.applefile.AssemblerProgram;
import com.bytezone.diskbrowser.applefile.BasicTextFile;
import com.bytezone.diskbrowser.applefile.HiResImage;
import com.bytezone.diskbrowser.applefile.Palette;
import com.bytezone.diskbrowser.applefile.PaletteFactory.CycleDirection;
import com.bytezone.diskbrowser.applefile.QuickDrawFont;
import com.bytezone.diskbrowser.applefile.SHRPictureFile2;
import com.bytezone.diskbrowser.disk.DiskAddress;
import com.bytezone.diskbrowser.disk.SectorList;
import com.bytezone.diskbrowser.gui.FontAction.FontChangeEvent;
import com.bytezone.diskbrowser.gui.FontAction.FontChangeListener;
// -----------------------------------------------------------------------------------//
public class DataPanel extends JTabbedPane
implements DiskSelectionListener, FileSelectionListener, SectorSelectionListener,
FileNodeSelectionListener, FontChangeListener, BasicPreferencesListener,
AssemblerPreferencesListener, TextPreferencesListener
// -----------------------------------------------------------------------------------//
{
private static final int TEXT_WIDTH = 65;
private static final int BACKGROUND = 245;
private final JTextArea formattedText;
private final JTextArea hexText;
private final JTextArea disassemblyText;
// these two panes are interchangeable
private final JScrollPane formattedPane;
private final JScrollPane imagePane;
private boolean imageVisible = false;
private final ImagePanel imagePanel; // internal class
private boolean debugMode;
// used to determine whether the text has been set
boolean formattedTextValid;
boolean hexTextValid;
boolean assemblerTextValid;
DataSource currentDataSource;
private Worker animation;
final MenuHandler menuHandler;
enum TabType
{
FORMATTED, HEX, DISASSEMBLED
}
// ---------------------------------------------------------------------------------//
public DataPanel (MenuHandler mh)
// ---------------------------------------------------------------------------------//
{
this.menuHandler = mh;
setTabPlacement (SwingConstants.BOTTOM);
formattedText = new JTextArea (10, TEXT_WIDTH);
formattedPane = setPanel (formattedText, "Formatted");
// formattedText.setLineWrap (prefs.getBoolean (MenuHandler.PREFS_LINE_WRAP, true));
formattedText.setText ("Please use the 'File->Set HOME folder...' command to "
+ "\ntell DiskBrowser where your Apple disks are located."
+ "\n\nTo see the contents of a disk in more detail, double-click"
+ "\nthe disk. You will then be able to select individual files to "
+ "view completely.");
hexText = new JTextArea (10, TEXT_WIDTH);
setPanel (hexText, "Hex dump");
disassemblyText = new JTextArea (10, TEXT_WIDTH);
setPanel (disassemblyText, "Disassembly");
imagePanel = new ImagePanel ();
imagePane =
new JScrollPane (imagePanel, ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
imagePane.setBorder (null);
imagePane.getVerticalScrollBar ().setUnitIncrement (50);
imagePane.getHorizontalScrollBar ().setUnitIncrement (25);
addChangeListener (new ChangeListener ()
{
@Override
public void stateChanged (ChangeEvent e)
{
switch (getSelectedIndex ())
{
case 0: // Formatted
if (!formattedTextValid)
{
if (currentDataSource == null)
formattedText.setText ("");
else
setText (formattedText, currentDataSource.getText ());
formattedTextValid = true;
}
break;
case 1: // Hex
if (!hexTextValid)
{
if (currentDataSource == null)
hexText.setText ("");
else
setText (hexText, currentDataSource.getHexDump ());
hexTextValid = true;
}
break;
case 2: // Assembler
if (!assemblerTextValid)
{
if (currentDataSource == null)
disassemblyText.setText ("");
else
setText (disassemblyText, currentDataSource.getAssembler ());
assemblerTextValid = true;
}
break;
default:
System.out.println ("Invalid index selected in DataPanel");
}
}
});
LineWrapAction lineWrapAction = new LineWrapAction ();
menuHandler.lineWrapItem.setAction (lineWrapAction);
lineWrapAction.addListener (formattedText);
menuHandler.colourQuirksItem.setAction (new ColourQuirksAction (this));
menuHandler.monochromeItem.setAction (new MonochromeAction (this));
menuHandler.debuggingItem.setAction (new DebuggingAction (this));
// fill in the placeholders created by the MenuHandler
List<Palette> palettes = HiResImage.getPalettes ();
ButtonGroup buttonGroup = menuHandler.paletteGroup;
Enumeration<AbstractButton> enumeration = buttonGroup.getElements ();
int ndx = 0;
while (enumeration.hasMoreElements ())
{
JCheckBoxMenuItem item = (JCheckBoxMenuItem) enumeration.nextElement ();
item.setAction (new PaletteAction (this, palettes.get (ndx++)));
}
menuHandler.nextPaletteItem.setAction (new NextPaletteAction (this, buttonGroup));
menuHandler.prevPaletteItem.setAction (new PreviousPaletteAction (this, buttonGroup));
}
// ---------------------------------------------------------------------------------//
public void selectPalette (Palette palette)
// ---------------------------------------------------------------------------------//
{
HiResImage.getPaletteFactory ().setCurrentPalette (palette);
if (currentDataSource instanceof HiResImage)
{
HiResImage image = (HiResImage) currentDataSource;
image.setPalette ();
imagePanel.setImage (image.getImage ());
}
}
// ---------------------------------------------------------------------------------//
public Palette cyclePalette (CycleDirection direction)
// ---------------------------------------------------------------------------------//
{
Palette palette = HiResImage.getPaletteFactory ().cyclePalette (direction);
if (currentDataSource instanceof HiResImage)
{
HiResImage image = (HiResImage) currentDataSource;
image.setPalette ();
imagePanel.setImage (image.getImage ());
}
return palette;
}
// ---------------------------------------------------------------------------------//
void setLineWrap (boolean lineWrap)
// ---------------------------------------------------------------------------------//
{
formattedText.setLineWrap (lineWrap);
}
// ---------------------------------------------------------------------------------//
public void setColourQuirks (boolean value)
// ---------------------------------------------------------------------------------//
{
if (currentDataSource instanceof HiResImage)
{
HiResImage image = (HiResImage) currentDataSource;
image.setColourQuirks (value);
imagePanel.setImage (image.getImage ());
}
}
// ---------------------------------------------------------------------------------//
public void setMonochrome (boolean value)
// ---------------------------------------------------------------------------------//
{
if (currentDataSource instanceof HiResImage)
{
HiResImage image = (HiResImage) currentDataSource;
image.setMonochrome (value);
imagePanel.setImage (image.getImage ());
}
}
// ---------------------------------------------------------------------------------//
public void setScale (double scale)
// ---------------------------------------------------------------------------------//
{
imagePanel.setScale (scale);
if (currentDataSource instanceof HiResImage)
{
HiResImage image = (HiResImage) currentDataSource;
imagePanel.setImage (image.getImage ());
}
}
// ---------------------------------------------------------------------------------//
public void update ()
// ---------------------------------------------------------------------------------//
{
if (currentDataSource instanceof HiResImage)
{
HiResImage image = (HiResImage) currentDataSource;
imagePanel.setImage (image.getImage ());
}
}
// ---------------------------------------------------------------------------------//
public void setDebug (boolean value)
// ---------------------------------------------------------------------------------//
{
debugMode = value;
AbstractFile.setDebug (value);
setText (formattedText, currentDataSource.getText ());
if (currentDataSource instanceof HiResImage
|| currentDataSource instanceof QuickDrawFont)
setDataSource (currentDataSource); // toggles text/image
}
// ---------------------------------------------------------------------------------//
private void setTabsFont (Font font)
// ---------------------------------------------------------------------------------//
{
formattedText.setFont (font);
hexText.setFont (font);
disassemblyText.setFont (font);
imagePane.getVerticalScrollBar ().setUnitIncrement (font.getSize ());
}
// ---------------------------------------------------------------------------------//
public String getCurrentText ()
// ---------------------------------------------------------------------------------//
{
int index = getSelectedIndex ();
return index == 0 ? formattedText.getText ()
: index == 1 ? hexText.getText () : disassemblyText.getText ();
}
// ---------------------------------------------------------------------------------//
private JScrollPane setPanel (JTextArea outputPanel, String tabName)
// ---------------------------------------------------------------------------------//
{
outputPanel.setEditable (false);
outputPanel.setMargin (new Insets (5, 5, 5, 5));
JScrollPane outputScrollPane =
new JScrollPane (outputPanel, ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
outputScrollPane.setBorder (null); // remove the ugly default border
add (outputScrollPane, tabName);
return outputScrollPane;
}
// ---------------------------------------------------------------------------------//
private void setDataSource (DataSource dataSource)
// ---------------------------------------------------------------------------------//
{
currentDataSource = dataSource;
if (dataSource == null)
{
formattedText.setText ("");
hexText.setText ("");
disassemblyText.setText ("");
removeImage ();
return;
}
switch (TabType.values ()[getSelectedIndex ()])
{
case FORMATTED:
try
{
setText (formattedText, dataSource.getText ());
}
catch (Exception e)
{
setText (formattedText, e.toString ());
e.printStackTrace ();
}
hexTextValid = false;
assemblerTextValid = false;
break;
case HEX:
setText (hexText, dataSource.getHexDump ());
formattedTextValid = false;
assemblerTextValid = false;
break;
case DISASSEMBLED:
setText (disassemblyText, dataSource.getAssembler ());
hexTextValid = false;
formattedTextValid = false;
break;
default:
System.out.println ("Unexpected Tab #" + getSelectedIndex ());
}
BufferedImage image = dataSource.getImage ();
if (image == null || debugMode)
removeImage ();
else
{
if (dataSource instanceof HiResImage)
{
((HiResImage) dataSource).checkPalette ();
image = dataSource.getImage ();
if (((HiResImage) dataSource).isAnimation ())
{
if (animation != null)
animation.cancel ();
animation = new Worker ((SHRPictureFile2) dataSource);
animation.execute ();
}
}
imagePanel.setImage (image);
imagePane.setViewportView (imagePanel);
if (!imageVisible)
{
int selected = getSelectedIndex ();
remove (formattedPane);
add (imagePane, "Formatted", 0);
setSelectedIndex (selected);
imageVisible = true;
}
}
}
// ---------------------------------------------------------------------------------//
private void removeImage ()
// ---------------------------------------------------------------------------------//
{
if (imageVisible)
{
int selected = getSelectedIndex ();
remove (imagePane);
add (formattedPane, "Formatted", 0);
setSelectedIndex (selected);
imageVisible = false;
}
if (animation != null)
{
animation.cancel ();
animation = null;
}
}
// ---------------------------------------------------------------------------------//
private void setText (JTextArea textArea, String text)
// ---------------------------------------------------------------------------------//
{
textArea.setText (text);
textArea.setCaretPosition (0);
}
// ---------------------------------------------------------------------------------//
private class ImagePanel extends JPanel
// ---------------------------------------------------------------------------------//
{
private BufferedImage image;
private double scale = 1;
private double userScale = .5;
public ImagePanel ()
{
this.setBackground (new Color (BACKGROUND, BACKGROUND, BACKGROUND));
}
private void setScale (double scale)
{
this.userScale = scale;
}
private void setImage (BufferedImage image)
{
this.image = image;
int width, height;
if (image != null)
{
Graphics2D g2 = image.createGraphics ();
g2.setRenderingHint (RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
width = image.getWidth ();
height = image.getHeight ();
}
else
width = height = 0;
if (true)
{
if (width < 400 && width > 0)
scale = (400 - 1) / width + 1;
else
scale = 1;
if (scale > 4)
scale = 4;
}
scale *= userScale;
setPreferredSize (new Dimension ((int) (width * scale), (int) (height * scale)));
repaint ();
}
@Override
public void paintComponent (Graphics g)
{
super.paintComponent (g);
if (image != null)
{
Graphics2D g2 = ((Graphics2D) g);
g2.transform (AffineTransform.getScaleInstance (scale, scale));
g2.drawImage (image,
(int) ((getWidth () - image.getWidth () * scale) / 2 / scale), 4, this);
}
}
}
// ---------------------------------------------------------------------------------//
@Override
public void diskSelected (DiskSelectedEvent event)
// ---------------------------------------------------------------------------------//
{
setSelectedIndex (0);
setDataSource (null);
if (event.getFormattedDisk () != null)
setDataSource (event.getFormattedDisk ().getCatalog ().getDataSource ());
else
System.out.println ("bollocks in diskSelected()");
}
// ---------------------------------------------------------------------------------//
@Override
public void fileSelected (FileSelectedEvent event)
// ---------------------------------------------------------------------------------//
{
DataSource dataSource = event.appleFileSource.getDataSource ();
setDataSource (dataSource);
}
// ---------------------------------------------------------------------------------//
@Override
public void sectorSelected (SectorSelectedEvent event)
// ---------------------------------------------------------------------------------//
{
List<DiskAddress> sectors = event.getSectors ();
if (sectors == null || sectors.size () == 0)
return;
if (sectors.size () == 1)
{
DiskAddress da = sectors.get (0);
if (da != null)
setDataSource (event.getFormattedDisk ().getFormattedSector (da));
}
else
setDataSource (new SectorList (event.getFormattedDisk (), sectors));
}
// ---------------------------------------------------------------------------------//
@Override
public void fileNodeSelected (FileNodeSelectedEvent event)
// ---------------------------------------------------------------------------------//
{
setSelectedIndex (0);
setDataSource (event.getFileNode ());
// FileNode node = event.getFileNode ();
}
// ---------------------------------------------------------------------------------//
@Override
public void changeFont (FontChangeEvent fontChangeEvent)
// ---------------------------------------------------------------------------------//
{
setTabsFont (fontChangeEvent.font);
}
// ---------------------------------------------------------------------------------//
@Override
public void setBasicPreferences (BasicPreferences basicPreferences)
// ---------------------------------------------------------------------------------//
{
if (currentDataSource instanceof ApplesoftBasicProgram)
setDataSource (currentDataSource);
}
// ---------------------------------------------------------------------------------//
@Override
public void setAssemblerPreferences (AssemblerPreferences assemblerPreferences)
// ---------------------------------------------------------------------------------//
{
if (currentDataSource instanceof AssemblerProgram)
setDataSource (currentDataSource);
}
// ---------------------------------------------------------------------------------//
@Override
public void setTextPreferences (TextPreferences textPreferences)
// ---------------------------------------------------------------------------------//
{
if (currentDataSource instanceof BasicTextFile)
setDataSource (currentDataSource);
}
// ---------------------------------------------------------------------------------//
class Worker extends SwingWorker<Void, Integer>
// ---------------------------------------------------------------------------------//
{
volatile boolean running;
SHRPictureFile2 image;
public Worker (SHRPictureFile2 image)
{
assert image.isAnimation ();
this.image = image;
}
public void cancel ()
{
running = false;
}
@Override
protected Void doInBackground () throws Exception
{
running = true;
try
{
while (running)
{
Thread.sleep (image.getDelay ());
publish (0);
}
}
catch (InterruptedException e)
{
e.printStackTrace ();
}
return null;
}
@Override
protected void process (List<Integer> chunks)
{
image.nextFrame ();
update ();
}
}
}