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// (jEdit options) :folding=explicit:collapseFolds=1:
//{{{ Package, imports
import king.core.*;
import king.*;
import bsh.*;
import bsh.util.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.text.DecimalFormat;
import java.util.*;
//import java.util.regex.*;
import javax.swing.*;
import driftwood.gui.*;
import driftwood.util.*;
//}}}
/**
* <code>BeanKing</code> makes the Beanshell scripting environment accessible from within KiNG.
*
* TODO:
* Fancier GUI with Help info and builtin scripts
*
* <p>Copyright (C) 2004 by Ian W. Davis. All rights reserved.
* <br>Begun on Thu Jul 1 15:23:55 EDT 2004
*/
public class BeanKing extends Plugin
{
//{{{ Constants
//}}}
//{{{ CLASS: TextAreaOutputStream
//##############################################################################
/** For directing output to the JTextArea */
static class TextAreaOutputStream extends OutputStream
{
JTextArea textarea;
StringBuffer buf;
public TextAreaOutputStream(JTextArea textarea)
{
this.textarea = textarea;
this.buf = new StringBuffer();
}
public void write(int b)
{
buf.append((char)b);
}
public void flush()
{
textarea.append(buf.toString());
textarea.setCaretPosition(textarea.getText().length());
buf = new StringBuffer();
}
}
//}}}
//{{{ Variable definitions
//##############################################################################
Interpreter interp;
JFrame frame;
JTextArea outText;
JTextField cmdLine;
LinkedList cmdHistory;
ListIterator historyIter = null;
PrintStream outerr;
//}}}
//{{{ Constructor(s)
//##############################################################################
public BeanKing(ToolBox tb)
{
super(tb);
this.cmdHistory = new LinkedList();
// JConsole + Interpretter.run() is not safe for Swing b/c of threads
buildGUI();
outerr = new PrintStream(new TextAreaOutputStream(outText), true);
interp = new Interpreter(new StringReader(""), outerr, outerr, false);
try
{
interp.set("parent", parent);
interp.set("kMain", kMain);
interp.set("kCanvas", kCanvas);
interp.set("services", services);
Reader cmds = new InputStreamReader(this.getClass().getResourceAsStream("/commands.bsh"));
interp.eval(cmds);
}
catch(EvalError e)
{ e.printStackTrace(outerr); }
}
//}}}
//{{{ buildGUI
//##############################################################################
void buildGUI()
{
outText = new JTextArea(25, 60);
outText.setLineWrap(false);
outText.setEditable(false);
int fontSize = (int) Math.ceil(12 * kMain.getPrefs().getFloat("fontMagnification"));
outText.setFont(new Font("Monospaced", Font.PLAIN, fontSize));
new TextCutCopyPasteMenu(outText);
JScrollPane outScroll = new JScrollPane(outText);
cmdLine = new JTextField(50);
cmdLine.addActionListener(new ReflectiveAction("doCmd", null, this, "onDoCmd"));
new TextCutCopyPasteMenu(cmdLine);
// Up and down arrows for command history
ActionMap am = cmdLine.getActionMap();
InputMap im = cmdLine.getInputMap(JComponent.WHEN_FOCUSED);
Action arrowUp = new ReflectiveAction("", null, this, "onArrowUp" );
Action arrowDown = new ReflectiveAction("", null, this, "onArrowDown" );
am.put("arrow-up", arrowUp );
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_UP , 0), "arrow-up" );
am.put("arrow-down", arrowDown );
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN , 0), "arrow-down" );
TablePane2 cp = new TablePane2();
cp.hfill(true).vfill(true).addCell(outScroll,2,1);
cp.newRow();
cp.weights(0,0).addCell(new JLabel("bsh %"));
cp.hfill(true).weights(1,0).addCell(cmdLine);
frame = new JFrame(this.toString());
frame.setContentPane(cp);
frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
frame.pack();
}
//}}}
//{{{ onDoCmd, onArrowUp/Down
//##############################################################################
// This method is the target of reflection -- DO NOT CHANGE ITS NAME
public void onDoCmd(ActionEvent ev)
{
try
{
long time = System.currentTimeMillis();
interp.eval(cmdLine.getText());
cmdHistory.addFirst(cmdLine.getText());
historyIter = null;
cmdLine.setText("");
time = System.currentTimeMillis() - time;
if(time > 4000) Toolkit.getDefaultToolkit().beep();
}
catch(EvalError e)
{ e.printStackTrace(this.outerr); }
}
// This method is the target of reflection -- DO NOT CHANGE ITS NAME
public void onArrowUp(ActionEvent ev)
{
if(historyIter == null)
historyIter = cmdHistory.listIterator();
if(historyIter.hasNext())
cmdLine.setText((String) historyIter.next());
}
// This method is the target of reflection -- DO NOT CHANGE ITS NAME
public void onArrowDown(ActionEvent ev)
{
if(historyIter != null && historyIter.hasPrevious())
cmdLine.setText((String) historyIter.previous());
else
cmdLine.setText("");
}
//}}}
//{{{ toString, getToolsMenuItem, onShow
//##############################################################################
public String toString()
{ return "Beanshell console"; }
public JMenuItem getToolsMenuItem()
{
return new JMenuItem(new ReflectiveAction(this.toString(), null, this, "onShow"));
}
// This method is the target of reflection -- DO NOT CHANGE ITS NAME
public void onShow(ActionEvent ev)
{
frame.setVisible(true);
cmdLine.requestFocus();
}
//}}}
//{{{ getHelpURL
//##############################################################################
/** Returns the URL of a web page explaining use of this tool */
public URL getHelpURL()
{
URL url = null;
try { url = new URL("http://www.beanshell.org/"); }
catch(MalformedURLException ex) { ex.printStackTrace(SoftLog.err); }
return url;
}
//}}}
//{{{ empty_code_segment
//##############################################################################
//}}}
}//class
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