/*
* Copyright (C) 2010-2016 JPEXS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.jpexs.decompiler.flash.gui.hexview;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.JTableHeader;
import javax.swing.table.TableColumn;
import javax.swing.table.TableModel;
/**
*
* @author JPEXS
*/
public class HexView extends JTable {
private static final int bytesInRow = 16;
private long[] highlightStarts;
private long[] highlightEnds;
private final String[] highlightColorsStr = new String[]{/*"EEEEEE", */"29AEC2", "9AC88C", "DF5F80", "EEA32E", "FFD200", "5E9B4C", "D3E976", "A3AEC2"};
private final Color[] highlightColors;
private final Color bgColor = Color.decode("#F7F7F7");
private final Color bgColorAlternate = Color.decode("#EDEDED");
private int mouseOverIdx = -1;
private int selectionStart = -1;
private int selectionEnd = -1;
private HexViewListener listener;
private class HighlightCellRenderer extends DefaultTableCellRenderer {
public int byteIndex;
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int col) {
JLabel l = (JLabel) super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, col);
int level = -1;
int idx = getIdxByColAndRow(row, col);
if (highlightStarts != null) {
byteIndex = idx;
for (int i = 0; i < highlightStarts.length; i++) {
if (highlightStarts[i] <= idx && highlightEnds[i] >= idx) {
level++;
} else {
break;
}
}
}
Color foreground;
Color background;
if (level > -1) {
foreground = Color.white;
background = highlightColors[level % highlightColors.length];
} else {
foreground = Color.black;
background = row % 2 == 0 ? bgColor : bgColorAlternate;
}
if (idx != -1 && (idx == mouseOverIdx
|| (idx >= selectionStart && idx <= selectionEnd))) {
foreground = new Color(255 - foreground.getRed(), 255 - foreground.getGreen(), 255 - foreground.getBlue());
background = new Color(255 - background.getRed(), 255 - background.getGreen(), 255 - background.getBlue());
}
l.setForeground(foreground);
l.setBackground(background);
return l;
}
}
private class HexViewSelectionListener implements ListSelectionListener {
private final HexView table;
public HexViewSelectionListener(HexView table) {
this.table = table;
}
@Override
public void valueChanged(ListSelectionEvent e) {
int col = table.getSelectedColumn();
int row = table.getSelectedRow();
int idx = getIdxByColAndRow(row, col);
if (listener != null) {
listener.byteValueChanged(idx, idx == -1 ? 0 : getModel().getData()[idx]);
}
}
}
private class HexViewMouseAdapter extends MouseAdapter {
@Override
public void mouseExited(MouseEvent e) {
HexView table = (HexView) e.getSource();
Point point = e.getPoint();
int col = table.columnAtPoint(point);
int row = table.rowAtPoint(point);
mouseOverIdx = -1;
getModel().fireTableCellUpdated(row, col);
if (listener != null) {
listener.byteMouseMoved(-1, (byte) 0);
}
}
}
private class HexViewMouseMotionAdapter extends MouseMotionAdapter {
@Override
public void mouseMoved(MouseEvent e) {
HexView table = (HexView) e.getSource();
Point point = e.getPoint();
int col = table.columnAtPoint(point);
int row = table.rowAtPoint(point);
int idx = getIdxByColAndRow(row, col);
mouseOverIdx = idx;
getModel().fireTableCellUpdated(row, col);
if (listener != null) {
listener.byteMouseMoved(idx, idx == -1 ? 0 : getModel().getData()[idx]);
}
}
}
public HexView() {
super(new HexViewTableModel(bytesInRow));
highlightColors = new Color[highlightColorsStr.length];
for (int i = 0; i < highlightColors.length; i++) {
highlightColors[i] = Color.decode("#" + highlightColorsStr[i]);
}
setBackground(Color.white);
setFont(new Font("Monospaced", Font.PLAIN, 12));
setTableHeader(new JTableHeader());
setMaximumSize(new Dimension(200, 200));
setShowHorizontalLines(false);
setShowVerticalLines(false);
setRowSelectionAllowed(false);
setColumnSelectionAllowed(false);
HighlightCellRenderer cellRenderer = new HighlightCellRenderer();
TableColumn column = columnModel.getColumn(0);
column.setMaxWidth(80);
for (int i = 0; i < bytesInRow; i++) {
column = columnModel.getColumn(i + 1);
column.setMaxWidth(25);
column.setCellRenderer(cellRenderer);
}
column = columnModel.getColumn(bytesInRow + 1);
column.setMaxWidth(10);
for (int i = 0; i < bytesInRow; i++) {
column = columnModel.getColumn(i + bytesInRow + 1 + 1);
column.setMaxWidth(10);
column.setCellRenderer(cellRenderer);
}
addMouseListener(new HexViewMouseAdapter());
addMouseMotionListener(new HexViewMouseMotionAdapter());
ListSelectionModel rowSelModel = getSelectionModel();
ListSelectionModel colSelModel = getColumnModel().getSelectionModel();
ListSelectionListener selectionListener = new HexViewSelectionListener(this);
rowSelModel.addListSelectionListener(selectionListener);
colSelModel.addListSelectionListener(selectionListener);
}
@Override
public HexViewTableModel getModel() {
TableModel model = super.getModel();
return (HexViewTableModel) model;
}
public void setData(byte[] data, long[] highlightStarts, long[] highlightEnds) {
if ((highlightStarts == null) ^ (highlightEnds == null)) {
throw new Error("highlightStarts and highlightEnds should be both null or not null.");
}
if (highlightStarts != null && highlightStarts.length != highlightEnds.length) {
throw new Error("highlightStarts and highlightEnds should have the same number of elements.");
}
getModel().setData(data);
this.highlightStarts = highlightStarts;
this.highlightEnds = highlightEnds;
}
public byte[] getData() {
return getModel().getData();
}
public void selectByte(long byteNum) {
scrollToByte(byteNum);
listener.byteValueChanged((int) byteNum, getData()[(int) byteNum]);
}
public void selectBytes(long byteNum, int length) {
selectionStart = (int) byteNum;
selectionEnd = (int) (byteNum + length - 1);
scrollToByte(new long[]{byteNum}, new long[]{byteNum + length - 1});
listener.byteValueChanged((int) byteNum, getData()[(int) byteNum]);
getModel().fireTableDataChanged();
}
public void clearSelectedBytes() {
selectionStart = -1;
selectionEnd = -1;
getModel().fireTableDataChanged();
}
public void scrollToByte(long byteNum) {
int row = (int) (byteNum / bytesInRow);
//final int pageSize = (int) (getParent().getSize().getHeight() / getRowHeight());
getSelectionModel().setSelectionInterval(row, row);
scrollRectToVisible(new Rectangle(getCellRect(row, 0, true)));
}
private int getIdxByColAndRow(int row, int col) {
int idx = -1;
if (row < 0 || col < 0) {
return -1;
}
if (col > 0 && col != bytesInRow + 1) {
idx = row * bytesInRow + ((col > bytesInRow + 1) ? (col - bytesInRow - 2) : (col - 1));
}
byte[] data = getModel().getData();
if (idx >= data.length) {
idx = -1;
}
return idx;
}
public int getFocusedByteIdx() {
int col = getSelectedColumn();
int row = getSelectedRow();
int idx = getIdxByColAndRow(row, col);
return idx;
}
public void scrollToByte(long[] byteNumStarts, long[] byteNumEnds) {
for (int i = 0; i < byteNumStarts.length; i++) {
scrollToByte(byteNumStarts[i]);
scrollToByte(byteNumEnds[i]);
scrollToByte(byteNumStarts[i]);
}
}
public void addListener(HexViewListener listener) {
this.listener = listener;
}
}