mirror of
https://github.com/dmolony/DiskBrowser.git
synced 2024-09-30 13:58:30 +00:00
129 lines
3.3 KiB
Java
129 lines
3.3 KiB
Java
|
package com.bytezone.diskbrowser.gui;
|
||
|
|
||
|
import java.awt.*;
|
||
|
|
||
|
import javax.swing.JComponent;
|
||
|
|
||
|
import com.bytezone.common.Platform;
|
||
|
import com.bytezone.common.Platform.FontSize;
|
||
|
import com.bytezone.common.Platform.FontType;
|
||
|
import com.bytezone.diskbrowser.gui.DiskLayoutPanel.LayoutDetails;
|
||
|
|
||
|
class ScrollRuler extends JComponent
|
||
|
{
|
||
|
// dimensions of the ruler
|
||
|
public static final int HEIGHT = 20;
|
||
|
public static final int WIDTH = 40;
|
||
|
|
||
|
public static final int HORIZONTAL = 0;
|
||
|
public static final int VERTICAL = 1;
|
||
|
Font font = Platform.getFont (FontType.SANS_SERIF, FontSize.BASE);
|
||
|
|
||
|
int orientation;
|
||
|
boolean isHex = true;
|
||
|
boolean isTrackMode = true;
|
||
|
LayoutDetails layoutDetails;
|
||
|
JComponent image;
|
||
|
|
||
|
public ScrollRuler (JComponent image, int orientation)
|
||
|
{
|
||
|
this.orientation = orientation;
|
||
|
this.image = image;
|
||
|
|
||
|
// set defaults until setLayout is called
|
||
|
if (orientation == HORIZONTAL)
|
||
|
setPreferredSize (new Dimension (0, HEIGHT)); // width/height
|
||
|
else
|
||
|
setPreferredSize (new Dimension (WIDTH, 0));
|
||
|
}
|
||
|
|
||
|
public void setLayout (LayoutDetails layout)
|
||
|
{
|
||
|
this.layoutDetails = layout;
|
||
|
|
||
|
// Must match the preferred size of DiskLayoutImage
|
||
|
if (orientation == HORIZONTAL)
|
||
|
setPreferredSize (new Dimension (layout.block.width * layout.grid.width + 1, HEIGHT)); // width/height
|
||
|
else
|
||
|
setPreferredSize (new Dimension (WIDTH, layout.block.height * layout.grid.height + 1));
|
||
|
|
||
|
setTrackMode (layout.grid.width == 16 || layout.grid.width == 13); // will call repaint ()
|
||
|
}
|
||
|
|
||
|
public void changeFont (Font font)
|
||
|
{
|
||
|
this.font = font;
|
||
|
repaint ();
|
||
|
}
|
||
|
|
||
|
public void setHex (boolean hex)
|
||
|
{
|
||
|
isHex = hex;
|
||
|
repaint ();
|
||
|
}
|
||
|
|
||
|
public void setTrackMode (boolean trackMode)
|
||
|
{
|
||
|
isTrackMode = trackMode;
|
||
|
repaint ();
|
||
|
}
|
||
|
|
||
|
@Override
|
||
|
protected void paintComponent (Graphics g)
|
||
|
{
|
||
|
Rectangle clipRect = g.getClipBounds ();
|
||
|
// g.setColor (new Color (240, 240, 240));
|
||
|
g.setColor (Color.WHITE);
|
||
|
g.fillRect (clipRect.x, clipRect.y, clipRect.width, clipRect.height);
|
||
|
|
||
|
if (layoutDetails == null)
|
||
|
return;
|
||
|
|
||
|
g.setFont (font); // how do I do this in the constructor?
|
||
|
g.setColor (Color.black);
|
||
|
|
||
|
if (orientation == HORIZONTAL)
|
||
|
drawHorizontal (g, clipRect, layoutDetails.block.width);
|
||
|
else
|
||
|
drawVertical (g, clipRect, layoutDetails.block.height);
|
||
|
}
|
||
|
|
||
|
private void drawHorizontal (Graphics g, Rectangle clipRect, int width)
|
||
|
{
|
||
|
int start = (clipRect.x / width);
|
||
|
int end = start + clipRect.width / width;
|
||
|
end = Math.min (end, image.getWidth () / width - 1);
|
||
|
|
||
|
String format;
|
||
|
int offset;
|
||
|
|
||
|
if (layoutDetails.block.width <= 15)
|
||
|
{
|
||
|
format = isHex ? "%1X" : "%1d";
|
||
|
offset = isHex ? 4 : 0;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
format = isHex ? "%02X" : "%02d";
|
||
|
offset = 7;
|
||
|
}
|
||
|
|
||
|
for (int i = start; i <= end; i++)
|
||
|
g.drawString (String.format (format, i), i * width + offset, 15);
|
||
|
}
|
||
|
|
||
|
private void drawVertical (Graphics g, Rectangle clipRect, int height)
|
||
|
{
|
||
|
int start = (clipRect.y / height);
|
||
|
int end = start + clipRect.height / height;
|
||
|
end = Math.min (end, image.getHeight () / height - 1);
|
||
|
|
||
|
String format = isHex ? "%04X" : "%04d";
|
||
|
|
||
|
for (int i = start; i <= end; i++)
|
||
|
{
|
||
|
int value = isTrackMode ? i : i * layoutDetails.grid.width;
|
||
|
g.drawString (String.format (format, value), 4, i * height + 13);
|
||
|
}
|
||
|
}
|
||
|
}
|