| aka PSIH |
15.02.2008 10:33 |
Java Shell.js
Код:
package enigma.shells.jython;
import java.io.*;
import java.awt.*;
import javax.swing.*;
import enigma.console.*;
import enigma.console.java2d.*;
import org.python.core.*;
import org.python.util.*;
public class JythonShell extends JPanel implements Runnable {
public static int DEFAULT_ROWS = 20;
public static int DEFAULT_COLUMNS = 80;
public static int DEFAULT_SCROLLBACK = 100;
public PrintStream out;
public Console console;
public Java2DTextWindow text;
public JScrollPane scrollPane;
public PythonInterpreter interp;
private Color colorBackground = new Color(0, 0, 0);
private Color colorForeground = new Color(187, 187, 187);
private Color colorError = new Color(187, 0, 0);
private Color colorCursor = new Color(187, 187, 0);
public JythonShell() {
this(null, Py.getSystemState());
}
public JythonShell(PyObject dict) {
this(dict, Py.getSystemState());
}
public JythonShell(int columns, int rows, int scrollback) {
this(null, Py.getSystemState(), columns, rows, scrollback);
}
public JythonShell(PyObject dict, PySystemState systemState) {
this(dict, systemState, DEFAULT_COLUMNS, DEFAULT_ROWS, DEFAULT_SCROLLBACK);
}
public JythonShell(PyObject dict, PySystemState systemState, int columns, int rows, int scrollback) {
super(new BorderLayout());
text = new Java2DTextWindow(columns, rows, scrollback);
text.setBackground(colorBackground);
scrollPane = new JScrollPane();
scrollPane.setViewportView(text);
add(scrollPane, BorderLayout.CENTER);
console = new DefaultConsoleImpl(text);
out = console.getOutputStream();
interp = new PythonInterpreter(dict, systemState);
interp.setOut(out);
interp.setErr(out);
}
public void run() {
int pos = 0;
int tbs = 4;
String line = "";
String command = "";
for (;;) {
String space = "";
for (int i = 0; i < pos * tbs; i++) {
space += " ";
}
try {
console.setTextAttributes(new TextAttributes(colorCursor));
if (pos > 0) {
out.print(space + "... ");
} else {
out.print(">> ");
}
console.setTextAttributes(new TextAttributes(colorForeground));
line = console.readLine().trim();
if (line.length() == 0 && pos > 0) {
pos--;
} else if (line.endsWith(":")) {
command += space + line + "\n";
pos++;
} else {
command += space + line + "\n";
}
if (pos == 0) {
interp.exec(command);
command = "";
}
} catch (Exception e) {
console.setTextAttributes(new TextAttributes(colorError));
e.printStackTrace();
command = "";
}
}
}
public static void main(String[] argv) {
PySystemState.initialize(System.getProperties(), null, argv);
JFrame frame = new JFrame("Jython Console");
JythonShell console = new JythonShell();
frame.add(console, BorderLayout.CENTER);
frame.pack();
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
console.run();
}
}
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