/*
* ChangeDirectory.bsh - a BeanShell macro script for the
* jEdit text editor - Changes working directory of console's plugin 
* system shell and/or beanshell to current buffer's directory.
 *
 * Copyright (C) 2006-2013 Robert Schwenn
 *
 * There must be set at least one of two boolean properties (manually) to control the macro:
 *  - macro.changeDirectory.ChangeBeanshell
 *  - macro.changeDirectory.ChangeConsole
 *
 *
 * 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 2
 * of the License, or 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 the jEdit program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Id$
*/
 
/* Returns the current directory of the current System shell of the current Console.
   Originally by Alan Ezust */
getCurrentSystemDir() {
  // To access non-public members
  setAccessibility(true);
  
  // Obtain the console instance
  consoleDockable = view.getDockableWindowManager().getDockable("console");
  if (consoleDockable == null) {
    // Add dockable because it wasn't found => The dockable will popup.
    //Macros.message(view, "Add dockable because it wasn't found");
    view.getDockableWindowManager().addDockableWindow("console");
    consoleDockable = view.getDockableWindowManager().getDockable("console");
    
    // Close Console's dockable, that should have been opened.
    jEdit.getAction("console-toggle").invoke(view);
  }
  
  sysShell = console.Shell.getShell("System");
  if (sysShell.getConsoleState(consoleDockable) == null) {
    currentDirectory = java.lang.System.getProperty("user.dir");
  } else {
    currentDirectory = sysShell.getConsoleState(consoleDockable).currentDirectory;
  }
  return currentDirectory + File.separator;
}

/* Sets the current directory of the current System shell of the current Console. */
setCurrentSystemDir(String targetDir) {
  // To access non-public members
  setAccessibility(true);
  
  // Obtain the console instance
  consoleDockable = wm.getDockable("console");
  if (consoleDockable == null) {
    // Add dockable because it wasn't found => The dockable will popup.
    view.getDockableWindowManager().addDockableWindow("console");
    consoleDockable = view.getDockableWindowManager().getDockable("console");
    
    // Close Console's dockable, that should have been opened.
    jEdit.getAction("console-toggle").invoke(view);
  }
  
  // Obtain the system shell and it's state
  sysShell = console.Shell.getShell("System");
  sysShellState = consoleDockable.getShellState(sysShell);
	
  // Execute the cd command
  cmd = "cd \"" + targetDir + "\"";
	sysShell.execute(consoleDockable, null, sysShellState, null, cmd);
	
  // Acknowledge the new working dir at the promt
  sysShellState.print(consoleDockable.getPlainColor(), "");
	sysShell.printPrompt(consoleDockable, sysShellState);
}

/* Manage the Working Directory */
void changeDirectory() {
  // Implement the runnable interface.
  void run() {
    try {
      // New buffers don't have a directory
      if (! buffer.isNewFile()) {
        // Get settings.
        ChangeBeanshell = Boolean.parseBoolean(jEdit.getProperty("macro.changeDirectory.ChangeBeanshell"));
        ChangeConsole   = Boolean.parseBoolean(jEdit.getProperty("macro.changeDirectory.ChangeConsole"));
        
        // Get info.
        targetDir = buffer.getDirectory();
        //path    = buffer.getPath();
        //os      = System.getProperty("os.name");
        
        if (ChangeBeanshell) {
          // Working directory of Beanshell (not sure if working well).
          cd(targetDir);
        }
        
        if (ChangeConsole) {
          // Working directory of console's system shell.
          // Macros.message(view, "targetDir=" + targetDir + ";  CurrentSystemDir=" + getCurrentSystemDir());
          if (! targetDir.equals(getCurrentSystemDir())) {
            setCurrentSystemDir(targetDir);
            //view.getStatus().setMessageAndClear("Changed Console's System Directory to: " + targetDir);
          }
        }
      }
    } catch (exception) {}
  }
  
  // Manage startup/nonstartup script
  if (jEdit.getLastView() == null) {
    VFSManager.runInAWTThread(this);
  } else {
    run();
  }
}


changeDirectory();

/*
<listitem>
    <para><filename>ChangeDirectory.bsh</filename></para>
    <abstract><para>
        Changes working directory of console's plugin system shell and/or beanshell to current buffer's directory.
    </para></abstract>
</listitem>
*/
// :folding=indent::collapseFolds=1: