/*
 * 10/27/2004
 * RSyntaxTextAreaDefaultInputMap.java - The default input map for
 * RSyntaxTextAreas.
 * This library is distributed under a modified BSD license. See the included
 * RSyntaxTextArea.License.txt file for details.
 */
package org.fife.ui.rsyntaxtextarea;

import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;

import javax.swing.KeyStroke;

import org.fife.ui.rtextarea.RTADefaultInputMap;

/**
 * The default input map for an <code>RSyntaxTextArea</code>. Currently, the new
 * key bindings include:
 * <ul>
 * <li>Shift+Tab indents the current line or currently selected lines to the
 * left.
 * </ul>
 *
 * @author Robert Futrell
 * @version 1.0
 */
public class RSyntaxTextAreaDefaultInputMap extends RTADefaultInputMap {

	/**
	 * Constructs the default input map for an <code>RSyntaxTextArea</code>.
	 */
	public RSyntaxTextAreaDefaultInputMap() {
		int defaultMod = getDefaultModifier();
		// int ctrl = InputEvent.CTRL_MASK;
		int shift = InputEvent.SHIFT_MASK;
		// int alt = InputEvent.ALT_MASK;
		int defaultShift = defaultMod | shift;
		put(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, shift), RSyntaxTextAreaEditorKit.rstaDecreaseIndentAction);
		put(KeyStroke.getKeyStroke('}'), RSyntaxTextAreaEditorKit.rstaCloseCurlyBraceAction);
		put(KeyStroke.getKeyStroke('/'), RSyntaxTextAreaEditorKit.rstaCloseMarkupTagAction);
		int os = RSyntaxUtilities.getOS();
		if (os == RSyntaxUtilities.OS_WINDOWS || os == RSyntaxUtilities.OS_MAC_OSX) {
			// *nix causes trouble with CloseMarkupTagAction and
			// ToggleCommentAction.
			// It triggers both KEY_PRESSED ctrl+'/' and KEY_TYPED '/' events
			// when the
			// user presses ctrl+'/', but Windows and OS X do not. If we try to
			// "move"
			// the KEY_TYPED event for '/' to KEY_PRESSED, it'll work for Linux
			// boxes
			// with QWERTY keyboard layouts, but non-QUERTY users won't be able
			// to type
			// a '/' character at all then (!). Rather than try to hack together
			// a
			// solution by trying to detect the IM locale and do different
			// things for
			// different OSes & keyboard layouts, we do the simplest thing and
			// (unfortunately) don't have a ToggleCommentAction for *nix
			// out-of-the-box.
			// Applications can add one easily enough if they want one.
			put(KeyStroke.getKeyStroke(KeyEvent.VK_SLASH, defaultMod),
					RSyntaxTextAreaEditorKit.rstaToggleCommentAction);
		}
		put(KeyStroke.getKeyStroke(KeyEvent.VK_OPEN_BRACKET, defaultMod),
				RSyntaxTextAreaEditorKit.rstaGoToMatchingBracketAction);
		put(KeyStroke.getKeyStroke(KeyEvent.VK_SUBTRACT, defaultMod), RSyntaxTextAreaEditorKit.rstaCollapseFoldAction);
		put(KeyStroke.getKeyStroke(KeyEvent.VK_ADD, defaultMod), RSyntaxTextAreaEditorKit.rstaExpandFoldAction);
		put(KeyStroke.getKeyStroke(KeyEvent.VK_DIVIDE, defaultMod),
				RSyntaxTextAreaEditorKit.rstaCollapseAllFoldsAction);
		put(KeyStroke.getKeyStroke(KeyEvent.VK_MULTIPLY, defaultMod),
				RSyntaxTextAreaEditorKit.rstaExpandAllFoldsAction);
		// NOTE: no modifiers => mapped to keyTyped. If we had "0" as a second
		// second parameter, we'd get the template action (keyPressed) AND the
		// default space action (keyTyped).
		// put(KeyStroke.getKeyStroke(' '),
		// RSyntaxTextAreaEditorKit.rstaPossiblyInsertTemplateAction);
		put(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, defaultShift),
				RSyntaxTextAreaEditorKit.rstaPossiblyInsertTemplateAction);
	}
}