/*
 * SearchDialog.java - Search and replace dialog
 * :tabSize=8:indentSize=8:noTabs=false:
 * :folding=explicit:collapseFolds=1:
 *
 * Copyright (C) 1998, 1999, 2000, 2001 Slava Pestov
 *
 * 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

package org.gjt.sp.jedit.search;

//{{{ Imports
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.File;
import java.util.HashMap;
import org.gjt.sp.jedit.browser.VFSBrowser;
import org.gjt.sp.jedit.gui.*;
import org.gjt.sp.jedit.io.*;
import org.gjt.sp.jedit.msg.SearchSettingsChanged;
import org.gjt.sp.jedit.msg.ViewUpdate;
import org.gjt.sp.jedit.*;
import org.gjt.sp.util.Log;
//}}}

/**
 * Search and replace dialog.
 * @author Slava Pestov
 * @version $Id: SearchDialog.java 4261 2002-06-18 02:44:52Z spestov $
 */
public class SearchDialog extends EnhancedDialog implements EBComponent
{
	//{{{ Constants
	/**
	 * Default file set.
	 * @since jEdit 3.2pre2
	 */
	public static final int CURRENT_BUFFER = 0;
	public static final int ALL_BUFFERS = 1;
	public static final int DIRECTORY = 2;
	//}}}

	//{{{ showSearchDialog() method
	/**
	 * Displays a search and replace dialog box, reusing an existing one
	 * if necessary.
	 * @param view The view
	 * @param searchString The search string
	 * @param searchIn One of CURRENT_BUFFER, ALL_BUFFERS, or DIRECTORY
	 * @since jEdit 4.0pre6
	 */
	public static void showSearchDialog(View view, String searchString,
		int searchIn)
	{
		SearchDialog dialog = (SearchDialog)viewHash.get(view);
		if(dialog != null)
		{
			// ugly workaround
			if(OperatingSystem.isUnix() && !OperatingSystem.isMacOS())
			{
				dialog.setVisible(false);
				dialog.setVisible(true);
			}

			dialog.setSearchString(searchString,searchIn);
			GUIUtilities.requestFocus(dialog,dialog.find);
			dialog.toFront();
			dialog.requestFocus();
		}
		else
		{
			dialog = new SearchDialog(view,searchString,searchIn);
			viewHash.put(view,dialog);
		}
	} //}}}

	//{{{ SearchDialog constructor
	/**
	 * Creates a new search and replace dialog box.
	 * @param view The view
	 * @param searchString The search string
	 */
	public SearchDialog(View view, String searchString)
	{
		this(view,searchString,CURRENT_BUFFER);
	} //}}}

	//{{{ SearchDialog constructor
	/**
	 * Creates a new search and replace dialog box.
	 * @param view The view
	 * @param searchString The search string
	 * @param searchIn One of CURRENT_BUFFER, ALL_BUFFERS, or DIRECTORY
	 * @since jEdit 3.2pre2
	 */
	public SearchDialog(View view, String searchString, int searchIn)
	{
		super(view,jEdit.getProperty("search.title"),false);

		this.view = view;

		JPanel content = new JPanel(new BorderLayout());
		content.setBorder(new EmptyBorder(0,12,12,12));
		setContentPane(content);

		JPanel centerPanel = new JPanel(new BorderLayout());
		centerPanel.add(BorderLayout.NORTH,createFieldPanel());
		centerPanel.add(BorderLayout.CENTER,createSearchSettingsPanel());
		content.add(BorderLayout.CENTER,centerPanel);
		content.add(BorderLayout.SOUTH,createMultiFilePanel());

		content.add(BorderLayout.EAST,createButtonsPanel());

		ignoreCase.setSelected(SearchAndReplace.getIgnoreCase());
		regexp.setSelected(SearchAndReplace.getRegexp());
		wrap.setSelected(SearchAndReplace.getAutoWrapAround());

		if(SearchAndReplace.getReverseSearch())
			searchBack.setSelected(true);
		else
			searchForward.setSelected(true);

		if(SearchAndReplace.getBeanShellReplace())
		{
			replace.setModel("replace.script");
			beanShellReplace.setSelected(true);
		}
		else
		{
			replace.setModel("replace");
			stringReplace.setSelected(true);
		}

		SearchFileSet fileset = SearchAndReplace.getSearchFileSet();

		if(fileset instanceof DirectoryListSet)
		{
			filter.setText(((DirectoryListSet)fileset)
				.getFileFilter());
			directory.setText(((DirectoryListSet)fileset)
				.getDirectory());
			searchSubDirectories.setSelected(((DirectoryListSet)fileset)
				.isRecursive());
		}
		else
		{
			String path = MiscUtilities.getParentOfPath(
				view.getBuffer().getPath());

			if(path.endsWith("/") || path.endsWith(File.separator))
				path = path.substring(0,path.length() - 1);

			directory.setText(path);

			if(fileset instanceof AllBufferSet)
			{
				filter.setText(((AllBufferSet)fileset)
					.getFileFilter());
			}
			else
			{
				filter.setText("*" + MiscUtilities
					.getFileExtension(view.getBuffer()
					.getName()));
			}

			searchSubDirectories.setSelected(true);
		}

		directory.addCurrentToHistory();

		keepDialog.setSelected(jEdit.getBooleanProperty(
			"search.keepDialog.toggle"));

		setSearchString(searchString,searchIn);

		pack();
		jEdit.unsetProperty("search.width");
		jEdit.unsetProperty("search.d-width");
		jEdit.unsetProperty("search.height");
		jEdit.unsetProperty("search.d-height");
		GUIUtilities.loadGeometry(this,"search");
		show();

		EditBus.addToBus(this);

		GUIUtilities.requestFocus(this,find);
	} //}}}

	//{{{ setSearchString() method
	/**
	 * Sets the search string.
	 * @since jEdit 4.0pre5
	 */
	public void setSearchString(String searchString, int searchIn)
	{
		if(searchString == null)
			find.setText(null);
		else
		{
			if(searchString.indexOf('\n') == -1)
			{
				find.setText(searchString);
				find.selectAll();
			}
			else if(searchIn == CURRENT_BUFFER)
			{
				searchSelection.setSelected(true);
				hyperSearch.setSelected(true);
			}
		}

		if(searchIn == CURRENT_BUFFER)
		{
			if(!searchSelection.isSelected())
			{
				// might be already selected, see above.
				searchCurrentBuffer.setSelected(true);

				/* this property is only loaded and saved if
				 * the 'current buffer' file set is selected.
				 * otherwise, it defaults to on. */
				hyperSearch.setSelected(jEdit.getBooleanProperty(
					"search.hypersearch.toggle"));
			}
		}
		else if(searchIn == ALL_BUFFERS)
		{
			searchAllBuffers.setSelected(true);
			hyperSearch.setSelected(true);
		}
		else if(searchIn == DIRECTORY)
		{
			hyperSearch.setSelected(true);
			searchDirectory.setSelected(true);
		}

		updateEnabled();
	} //}}}

	//{{{ ok() method
	public void ok()
	{
		try
		{
			setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

			if(!save(false))
				return;

			if(hyperSearch.isSelected() || searchSelection.isSelected())
			{
				if(SearchAndReplace.hyperSearch(view,
					searchSelection.isSelected()))
					closeOrKeepDialog();
			}
			else
			{
				if(SearchAndReplace.find(view))
					closeOrKeepDialog();
				else
				{
					toFront();
					requestFocus();
					find.requestFocus();
				}
			}
		}
		finally
		{
			setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
		}
	} //}}}

	//{{{ cancel() method
	public void cancel()
	{
		save(true);
		GUIUtilities.saveGeometry(this,"search");
		dispose();
	} //}}}

	//{{{ handleMessage() method
	public void handleMessage(EBMessage msg)
	{
		if(msg instanceof SearchSettingsChanged)
		{
			ignoreCase.setSelected(SearchAndReplace.getIgnoreCase());
			regexp.setSelected(SearchAndReplace.getRegexp());
		}
		else if(msg instanceof ViewUpdate)
		{
			ViewUpdate vmsg = (ViewUpdate)msg;
			if(vmsg.getView() == view
				&& vmsg.getWhat() == ViewUpdate.CLOSED)
			{
				viewHash.remove(view);
			}
		}
	} //}}}

	//{{{ dispose() method
	public void dispose()
	{
		EditBus.removeFromBus(this);
		viewHash.remove(view);
		super.dispose();
	} //}}}

	//{{{ Private members

	private static HashMap viewHash = new HashMap();

	//{{{ Instance variables
	private View view;

	// fields
	private HistoryTextField find, replace;

	private JRadioButton stringReplace, beanShellReplace;

	// search settings
	private JCheckBox keepDialog, ignoreCase, regexp, hyperSearch,
		wrap;
	private JRadioButton searchBack, searchForward;
	private JRadioButton searchSelection, searchCurrentBuffer, searchAllBuffers,
		searchDirectory;

	// multifile settings
	private HistoryTextField filter, directory;
	private JCheckBox searchSubDirectories;
	private JButton choose;

	// buttons
	private JButton findBtn, /* replaceBtn, */ replaceAndFindBtn, replaceAllBtn,
		closeBtn;
	//}}}

	//{{{ createFieldPanel() method
	private JPanel createFieldPanel()
	{
		ButtonActionHandler actionHandler = new ButtonActionHandler();

		JPanel fieldPanel = new JPanel(new VariableGridLayout(
			VariableGridLayout.FIXED_NUM_COLUMNS,1));
		fieldPanel.setBorder(new EmptyBorder(0,0,12,12));

		JLabel label = new JLabel(jEdit.getProperty("search.find"));
		label.setDisplayedMnemonic(jEdit.getProperty("search.find.mnemonic")
			.charAt(0));
		find = new HistoryTextField("find");

		// don't want it to be too wide due to long strings
		Dimension size = find.getPreferredSize();
		size.width = find.getFontMetrics(find.getFont())
			.charWidth('a') * 25;
		find.setPreferredSize(size);

		find.addActionListener(actionHandler);
		label.setLabelFor(find);
		label.setBorder(new EmptyBorder(12,0,2,0));
		fieldPanel.add(label);
		fieldPanel.add(find);

		label = new JLabel(jEdit.getProperty("search.replace"));
		label.setDisplayedMnemonic(jEdit.getProperty("search.replace.mnemonic")
			.charAt(0));
		label.setBorder(new EmptyBorder(12,0,0,0));
		fieldPanel.add(label);

		ButtonGroup grp = new ButtonGroup();
		ReplaceActionHandler replaceActionHandler = new ReplaceActionHandler();

		// we use a custom JRadioButton subclass that returns
		// false for isFocusTraversable() so that the user can
		// tab from the search field to the replace field with
		// one keystroke

		Box replaceModeBox = new Box(BoxLayout.X_AXIS);
		stringReplace = new MyJRadioButton(jEdit.getProperty(
			"search.string-replace-btn"));
		stringReplace.addActionListener(replaceActionHandler);
		grp.add(stringReplace);
		replaceModeBox.add(stringReplace);

		replaceModeBox.add(Box.createHorizontalStrut(12));

		beanShellReplace = new MyJRadioButton(jEdit.getProperty(
			"search.beanshell-replace-btn"));
		beanShellReplace.addActionListener(replaceActionHandler);
		grp.add(beanShellReplace);
		replaceModeBox.add(beanShellReplace);

		fieldPanel.add(replaceModeBox);

		fieldPanel.add(Box.createVerticalStrut(3));

		replace = new HistoryTextField("replace");
		replace.addActionListener(actionHandler);
		label.setLabelFor(replace);
		fieldPanel.add(replace);

		return fieldPanel;
	} //}}}

	//{{{ createSearchSettingsPanel() method
	private JPanel createSearchSettingsPanel()
	{
		JPanel searchSettings = new JPanel(new VariableGridLayout(
			VariableGridLayout.FIXED_NUM_COLUMNS,3));
		searchSettings.setBorder(new EmptyBorder(0,0,12,12));

		SettingsActionHandler actionHandler = new SettingsActionHandler();
		ButtonGroup fileset = new ButtonGroup();
		ButtonGroup direction = new ButtonGroup();

		searchSettings.add(new JLabel(jEdit.getProperty("search.fileset")));

		searchSettings.add(new JLabel(jEdit.getProperty("search.settings")));

		searchSettings.add(new JLabel(jEdit.getProperty("search.direction")));

		searchSelection = new JRadioButton(jEdit.getProperty("search.selection"));
		searchSelection.setMnemonic(jEdit.getProperty("search.selection.mnemonic")
			.charAt(0));
		fileset.add(searchSelection);
		searchSettings.add(searchSelection);
		searchSelection.addActionListener(actionHandler);

		keepDialog = new JCheckBox(jEdit.getProperty("search.keep"));
		keepDialog.setMnemonic(jEdit.getProperty("search.keep.mnemonic")
			.charAt(0));
		searchSettings.add(keepDialog);

		searchBack = new JRadioButton(jEdit.getProperty("search.back"));
		searchBack.setMnemonic(jEdit.getProperty("search.back.mnemonic")
			.charAt(0));
		direction.add(searchBack);
		searchSettings.add(searchBack);
		searchBack.addActionListener(actionHandler);

		searchCurrentBuffer = new JRadioButton(jEdit.getProperty("search.current"));
		searchCurrentBuffer.setMnemonic(jEdit.getProperty("search.current.mnemonic")
			.charAt(0));
		fileset.add(searchCurrentBuffer);
		searchSettings.add(searchCurrentBuffer);
		searchCurrentBuffer.addActionListener(actionHandler);

		ignoreCase = new JCheckBox(jEdit.getProperty("search.case"));
		ignoreCase.setMnemonic(jEdit.getProperty("search.case.mnemonic")
			.charAt(0));
		searchSettings.add(ignoreCase);
		ignoreCase.addActionListener(actionHandler);

		searchForward = new JRadioButton(jEdit.getProperty("search.forward"));
		searchForward.setMnemonic(jEdit.getProperty("search.forward.mnemonic")
			.charAt(0));
		direction.add(searchForward);
		searchSettings.add(searchForward);
		searchForward.addActionListener(actionHandler);

		searchAllBuffers = new JRadioButton(jEdit.getProperty("search.all"));
		searchAllBuffers.setMnemonic(jEdit.getProperty("search.all.mnemonic")
			.charAt(0));
		fileset.add(searchAllBuffers);
		searchSettings.add(searchAllBuffers);
		searchAllBuffers.addActionListener(actionHandler);

		regexp = new JCheckBox(jEdit.getProperty("search.regexp"));
		regexp.setMnemonic(jEdit.getProperty("search.regexp.mnemonic")
			.charAt(0));
		searchSettings.add(regexp);
		regexp.addActionListener(actionHandler);

		wrap = new JCheckBox(jEdit.getProperty("search.wrap"));
		wrap.setMnemonic(jEdit.getProperty("search.wrap.mnemonic")
			.charAt(0));
		searchSettings.add(wrap);
		wrap.addActionListener(actionHandler);

		searchDirectory = new JRadioButton(jEdit.getProperty("search.directory"));
		searchDirectory.setMnemonic(jEdit.getProperty("search.directory.mnemonic")
			.charAt(0));
		fileset.add(searchDirectory);
		searchSettings.add(searchDirectory);
		searchDirectory.addActionListener(actionHandler);

		hyperSearch = new JCheckBox(jEdit.getProperty("search.hypersearch"));
		hyperSearch.setMnemonic(jEdit.getProperty("search.hypersearch.mnemonic")
			.charAt(0));
		searchSettings.add(hyperSearch);
		hyperSearch.addActionListener(actionHandler);

		return searchSettings;
	} //}}}

	//{{{ createMultiFilePanel() method
	private JPanel createMultiFilePanel()
	{
		JPanel multifile = new JPanel();

		GridBagLayout layout = new GridBagLayout();
		multifile.setLayout(layout);

		GridBagConstraints cons = new GridBagConstraints();
		cons.gridy = cons.gridwidth = cons.gridheight = 1;
		cons.anchor = GridBagConstraints.WEST;
		cons.fill = GridBagConstraints.HORIZONTAL;

		MultiFileActionHandler actionListener = new MultiFileActionHandler();
		filter = new HistoryTextField("search.filter");
		filter.addActionListener(actionListener);

		cons.insets = new Insets(0,0,3,0);

		JLabel label = new JLabel(jEdit.getProperty("search.filterField"),
			SwingConstants.RIGHT);
		label.setBorder(new EmptyBorder(0,0,0,12));
		label.setDisplayedMnemonic(jEdit.getProperty("search.filterField.mnemonic")
			.charAt(0));
		label.setLabelFor(filter);
		cons.weightx = 0.0f;
		layout.setConstraints(label,cons);
		multifile.add(label);

		cons.insets = new Insets(0,0,3,6);
		cons.weightx = 1.0f;
		layout.setConstraints(filter,cons);
		multifile.add(filter);

		cons.gridy++;

		directory = new HistoryTextField("search.directory");
		directory.addActionListener(actionListener);

		label = new JLabel(jEdit.getProperty("search.directoryField"),
			SwingConstants.RIGHT);
		label.setBorder(new EmptyBorder(0,0,0,12));

		label.setDisplayedMnemonic(jEdit.getProperty("search.directoryField.mnemonic")
			.charAt(0));
		label.setLabelFor(directory);
		cons.insets = new Insets(0,0,3,0);
		cons.weightx = 0.0f;
		layout.setConstraints(label,cons);
		multifile.add(label);

		cons.insets = new Insets(0,0,3,6);
		cons.weightx = 1.0f;
		cons.gridwidth = 2;
		layout.setConstraints(directory,cons);
		multifile.add(directory);

		choose = new JButton(jEdit.getProperty("search.choose"));
		choose.setMnemonic(jEdit.getProperty("search.choose.mnemonic")
			.charAt(0));
		cons.insets = new Insets(0,0,3,0);
		cons.weightx = 0.0f;
		cons.gridwidth = 1;
		layout.setConstraints(choose,cons);
		multifile.add(choose);
		choose.addActionListener(actionListener);

		cons.insets = new Insets(0,0,0,0);
		cons.gridy++;
		cons.gridwidth = 4;

		searchSubDirectories = new JCheckBox(jEdit.getProperty(
			"search.subdirs"));
		searchSubDirectories.setMnemonic(jEdit.getProperty("search.subdirs.mnemonic")
			.charAt(0));
		layout.setConstraints(searchSubDirectories,cons);
		multifile.add(searchSubDirectories);

		return multifile;
	} //}}}

	//{{{ createButtonsPanel() method
	private Box createButtonsPanel()
	{
		Box box = new Box(BoxLayout.Y_AXIS);

		ButtonActionHandler actionHandler = new ButtonActionHandler();

		box.add(Box.createVerticalStrut(12));

		JPanel grid = new JPanel(new GridLayout(5,1,0,12));

		findBtn = new JButton(jEdit.getProperty("search.findBtn"));
		getRootPane().setDefaultButton(findBtn);
		grid.add(findBtn);
		findBtn.addActionListener(actionHandler);

		/* replaceBtn = new JButton(jEdit.getProperty("search.replaceBtn"));
		replaceBtn.setMnemonic(jEdit.getProperty("search.replaceBtn.mnemonic")
			.charAt(0));
		grid.add(replaceBtn);
		replaceBtn.addActionListener(actionHandler); */

		replaceAndFindBtn = new JButton(jEdit.getProperty("search.replaceAndFindBtn"));
		replaceAndFindBtn.setMnemonic(jEdit.getProperty("search.replaceAndFindBtn.mnemonic")
			.charAt(0));
		grid.add(replaceAndFindBtn);
		replaceAndFindBtn.addActionListener(actionHandler);

		replaceAllBtn = new JButton(jEdit.getProperty("search.replaceAllBtn"));
		replaceAllBtn.setMnemonic(jEdit.getProperty("search.replaceAllBtn.mnemonic")
			.charAt(0));
		grid.add(replaceAllBtn);
		replaceAllBtn.addActionListener(actionHandler);

		closeBtn = new JButton(jEdit.getProperty("common.close"));
		grid.add(closeBtn);
		closeBtn.addActionListener(actionHandler);

		grid.setMaximumSize(grid.getPreferredSize());

		box.add(grid);
		box.add(Box.createGlue());

		return box;
	} //}}}

	//{{{ updateEnabled() method
	private void updateEnabled()
	{
		wrap.setEnabled(!hyperSearch.isSelected()
			&& !searchSelection.isSelected());

		boolean reverseEnabled = !hyperSearch.isSelected()
			&& searchCurrentBuffer.isSelected();
		searchBack.setEnabled(reverseEnabled && !regexp.isSelected());
		searchForward.setEnabled(reverseEnabled);
		if(!reverseEnabled)
			searchForward.setSelected(true);

		filter.setEnabled(searchAllBuffers.isSelected()
			|| searchDirectory.isSelected());

		boolean directoryEnabled = searchDirectory.isSelected();

		directory.setEnabled(directoryEnabled);
		choose.setEnabled(directoryEnabled);
		searchSubDirectories.setEnabled(directoryEnabled);

		findBtn.setEnabled(!searchSelection.isSelected()
			|| hyperSearch.isSelected());
		replaceAndFindBtn.setEnabled(!hyperSearch.isSelected()
			&& !searchSelection.isSelected());
	} //}}}

	//{{{ save() method
	/**
	 * @param cancel If true, we don't bother the user with warning messages
	 */
	private boolean save(boolean cancel)
	{
		String filter = this.filter.getText();
		this.filter.addCurrentToHistory();
		if(filter.length() == 0)
			filter = "*";

		SearchFileSet fileset = SearchAndReplace.getSearchFileSet();

		if(searchSelection.isSelected())
			fileset = new CurrentBufferSet();
		else if(searchCurrentBuffer.isSelected())
		{
			fileset = new CurrentBufferSet();

			jEdit.setBooleanProperty("search.hypersearch.toggle",
				hyperSearch.isSelected());
		}
		else if(searchAllBuffers.isSelected())
			fileset = new AllBufferSet(filter);
		else if(searchDirectory.isSelected())
		{
			String directory = this.directory.getText();
			this.directory.addCurrentToHistory();

			if((VFSManager.getVFSForPath(directory).getCapabilities()
				& VFS.LOW_LATENCY_CAP) == 0)
			{
				if(cancel)
					return false;

				int retVal = GUIUtilities.confirm(
					SearchDialog.this,"remote-dir-search",
					null,JOptionPane.YES_NO_OPTION,
					JOptionPane.WARNING_MESSAGE);
				if(retVal != JOptionPane.YES_OPTION)
					return false;
			}

			boolean recurse = searchSubDirectories.isSelected();

			if(fileset instanceof DirectoryListSet)
			{
				DirectoryListSet dset = (DirectoryListSet)fileset;
				if(!dset.getDirectory().equals(directory)
					|| !dset.getFileFilter().equals(filter)
					|| !dset.isRecursive() == recurse)
					fileset = new DirectoryListSet(directory,filter,recurse);
			}
			else
				fileset = new DirectoryListSet(directory,filter,recurse);
		}
		else
		{
			// can't happen
			fileset = null;
		}

		jEdit.setBooleanProperty("search.keepDialog.toggle",
			keepDialog.isSelected());

		boolean ok = true;

		SearchAndReplace.setSearchFileSet(fileset);

		if(find.getText().length() != 0)
		{
			find.addCurrentToHistory();
			SearchAndReplace.setSearchString(find.getText());
			replace.addCurrentToHistory();

			SearchAndReplace.setReplaceString(replace.getText());
		}
		else
			ok = false;

		return ok;
	} //}}}

	//{{{ closeOrKeepDialog() method
	private void closeOrKeepDialog()
	{
		if(keepDialog.isSelected())
		{
			// Windows bug workaround in case a YES/NO confirm
			// was shown

			// ... but if HyperSearch results window is floating,
			// the workaround causes problems!
			if(!hyperSearch.isSelected())
			{
				toFront();
				requestFocus();
				find.requestFocus();
			}
			return;
		}
		else
		{
			GUIUtilities.saveGeometry(this,"search");
			dispose();
		}
	} //}}}

	//}}}

	//{{{ Inner classes

	//{{{ MyJRadioButton class

	// used for the stringReplace and beanShell replace radio buttons,
	// so that the user can press tab to go from the find field to the
	// replace field in one go
	class MyJRadioButton extends JRadioButton
	{
		MyJRadioButton(String label)
		{
			super(label);
		}

		public boolean isFocusTraversable()
		{
			return false;
		}
	} //}}}

	//{{{ ReplaceActionHandler class
	class ReplaceActionHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent evt)
		{
			replace.setModel(beanShellReplace.isSelected()
				? "replace.script"
				: "replace");
			SearchAndReplace.setBeanShellReplace(
				beanShellReplace.isSelected());
		}
	} //}}}

	//{{{ SettingsActionHandler class
	class SettingsActionHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent evt)
		{
			Object source = evt.getSource();

			if(source == ignoreCase)
				SearchAndReplace.setIgnoreCase(ignoreCase.isSelected());
			else if(source == regexp)
				SearchAndReplace.setRegexp(regexp.isSelected());
			else if(source == searchBack || source == searchForward)
				SearchAndReplace.setReverseSearch(searchBack.isSelected());
			else if(source == wrap)
				SearchAndReplace.setAutoWrapAround(wrap.isSelected());
			else if(source == searchCurrentBuffer)
				hyperSearch.setSelected(false);
			else if(source == searchSelection
				|| source == searchAllBuffers
				|| source == searchDirectory)
				hyperSearch.setSelected(true);

			updateEnabled();
		}
	} //}}}

	//{{{ MultiFileActionHandler class
	class MultiFileActionHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent evt)
		{
			if(evt.getSource() == choose)
			{
				String[] dirs = GUIUtilities.showVFSFileDialog(
					view,directory.getText(),
					VFSBrowser.CHOOSE_DIRECTORY_DIALOG,
					false);
				if(dirs != null)
					directory.setText(dirs[0]);
			}
			else // source is directory or filter field
			{
				// just as if Enter was pressed in another
				// text field
				ok();
			}
		}
	} //}}}

	//{{{ ButtonActionHandler class
	class ButtonActionHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent evt)
		{
			Object source = evt.getSource();

			if(source == closeBtn)
				cancel();
			else if(source == findBtn || source == find
				|| source == replace)
			{
				ok();
			}
			else if(source == replaceAndFindBtn)
			{
				save(false);
				if(SearchAndReplace.replace(view))
					ok();
				else
					getToolkit().beep();
			}
			else if(source == replaceAllBtn)
			{
				setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

				save(false);

				if(searchSelection.isSelected())
				{
					if(SearchAndReplace.replace(view))
						closeOrKeepDialog();
					else
						getToolkit().beep();
				}
				else
				{
					if(SearchAndReplace.replaceAll(view))
						closeOrKeepDialog();
					else
						getToolkit().beep();
				}

				setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
			}
		}
	} //}}}

	//}}}
}