Source code: com/maddyhome/idea/vim/VimTypedActionHandler.java
1 package com.maddyhome.idea.vim;
2
3 /*
4 * IdeaVim - A Vim emulator plugin for IntelliJ Idea
5 * Copyright (C) 2003 Rick Maddy
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21
22 import com.intellij.openapi.actionSystem.DataContext;
23 import com.intellij.openapi.diagnostic.Logger;
24 import com.intellij.openapi.editor.Editor;
25 import com.intellij.openapi.editor.actionSystem.TypedActionHandler;
26 import javax.swing.KeyStroke;
27
28 /**
29 * This handler accepts all regular keystrokes and passes them on to the Vim Key handler
30 */
31 public class VimTypedActionHandler implements TypedActionHandler
32 {
33 /**
34 * Creates an instance of the key handler
35 * @param origHandler The original key handler
36 */
37 public VimTypedActionHandler(TypedActionHandler origHandler)
38 {
39 this.origHandler = origHandler;
40 handler = KeyHandler.getInstance();
41 handler.setOriginalHandler(origHandler);
42 }
43
44 /**
45 * Gives the original key handler
46 * @return The original key handler
47 */
48 public TypedActionHandler getOriginalTypedHandler()
49 {
50 return origHandler;
51 }
52
53 /**
54 * All characters typed into an editor will get sent to this handler. Only letters, numbers, and punctuation
55 * are sent here. Keys like Tab, Enter, Home, Backspace, etc. and all Control-Letter etc. argType keys are not
56 * sent by Idea to this handler.
57 * @param editor The editor the character was typed into
58 * @param charTyped The character that was typed
59 * @param context The data context
60 */
61 public void execute(Editor editor, char charTyped, DataContext context)
62 {
63 // If the plugin is disabled we simply resend the character to the original handler
64 if (!VimPlugin.isEnabled())
65 {
66 origHandler.execute(editor, charTyped, context);
67 return;
68 }
69
70 try
71 {
72 handler.handleKey(editor, KeyStroke.getKeyStroke(charTyped), context);
73 }
74 catch (Throwable e)
75 {
76 logger.error(e);
77 }
78 }
79
80 private TypedActionHandler origHandler;
81 private KeyHandler handler;
82
83 private static Logger logger = Logger.getInstance(VimTypedActionHandler.class.getName());
84 }