/*
 * Toggle_split.bsh v0.5 - a BeanShell macro script for the
 * jEdit text editor - Switches the main split pane between two open views, splits
 * the pane if it's not already splitted
 * 
 * Copyright (C) 2004 Claudio Vicari
 *
 * 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.
 *
 *
 * Checked for jEdit 4.2 API
 *
 */

Component getFirstTextArea( JSplitPane pane, boolean direction ) {
	Component selected;
	if( direction ) {
		selected = pane.getBottomComponent();
		if( selected.getWidth() == 0 || selected.getHeight() == 0 ) {
			selected = pane.getTopComponent();
		} //end if
	} else {
		selected = pane.getTopComponent();
		if( selected.getWidth() == 0 || selected.getHeight() == 0 ) {
			selected = pane.getBottomComponent();
		} //end if
	} //end if/else
	if( selected instanceof EditPane )
		return selected;
	else
		return getFirstTextArea( selected, false );
} //end function

if( view.getSplitPane() != null ) {
	JSplitPane splitPane = view.getSplitPane();
	int minimum = splitPane.getMinimumDividerLocation();
	int maximum = splitPane.getMaximumDividerLocation();
	double actual_position = (double)splitPane.getDividerLocation();
	actual_position = (actual_position-minimum) / ( maximum - minimum );

	if( actual_position > 0.1 ) {
		splitPane.setDividerLocation( 0.1 );
		getFirstTextArea( splitPane, true ).focusOnTextArea();
	} else {
		splitPane.setDividerLocation( 0.9 );
		getFirstTextArea( splitPane, false ).focusOnTextArea();
	} //end if/else
} else {
	view.splitHorizontally();
}