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Viewing changes to TuxGuitar/src/org/herac/tuxguitar/gui/system/keybindings/KeyBindingActionManager.java

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2008-06-19 00:30:30 UTC
  • mfrom: (1.1.1 upstream) (2.1.3 hardy)
  • Revision ID: james.westby@ubuntu.com-20080619003030-agens2gvd5m4dacu
http://bugs.debian.org/481728
https://launchpad.net/bugs/176979
https://launchpad.net/bugs/212207
New upstream release (Closes: #481728) also (LP: #176979, #212207)

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TuxGuitar/src/org/herac/tuxguitar/gui/system/keybindings/KeyBindingActionManager.java
 
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package org.herac.tuxguitar.gui.system.keybindings;
 
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import java.io.File;
 
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import java.util.ArrayList;
 
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import java.util.Iterator;
 
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import java.util.List;
 
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import org.eclipse.swt.events.KeyEvent;
 
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import org.eclipse.swt.events.KeyListener;
 
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import org.eclipse.swt.widgets.Control;
 
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import org.herac.tuxguitar.gui.TuxGuitar;
 
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import org.herac.tuxguitar.gui.actions.Action;
 
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import org.herac.tuxguitar.gui.system.keybindings.xml.KeyBindingReader;
 
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import org.herac.tuxguitar.gui.system.keybindings.xml.KeyBindingWriter;
 
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import org.herac.tuxguitar.gui.util.TGFileUtils;
 
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public class KeyBindingActionManager {
 
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        private List keyBindingsActions;
 
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        private KeyBindingListener listener;
 
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        public KeyBindingActionManager(){
 
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                this.keyBindingsActions = new ArrayList();
 
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                this.init();
 
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        }
 
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        public void init(){
 
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                List enabled = KeyBindingReader.getKeyBindings(getUserFileName());
 
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                this.keyBindingsActions.addAll( (enabled != null ? enabled : KeyBindingActionDefaults.getDefaultKeyBindings()) );
 
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                this.listener = new KeyBindingListener();
 
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        }
 
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        private String getUserFileName(){
 
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                return TGFileUtils.PATH_USER_CONFIG + File.separator + "keybindings.xml";
 
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        }
 
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        public Action getActionForKeyBinding(KeyBinding kb){
 
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                Action action = KeyBindingReserveds.getActionForKeyBinding(kb);
 
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                if(action != null){
 
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                        return action;
 
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                }
 
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                Iterator it = this.keyBindingsActions.iterator();
 
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                while(it.hasNext()){
 
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                        KeyBindingAction keyBindingAction = (KeyBindingAction)it.next();
 
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                        if(keyBindingAction.getKeyBinding() != null && kb.isSameAs( keyBindingAction.getKeyBinding() )){
 
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                                return TuxGuitar.instance().getAction(keyBindingAction.getAction());
 
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                        }
 
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                }
 
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                return null;
 
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        }
 
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        public KeyBinding getKeyBindingForAction(String action){
 
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                KeyBinding kb = KeyBindingReserveds.getKeyBindingForAction(action);
 
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                if(kb != null){
 
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                        return kb;
 
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                }
 
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                Iterator it = this.keyBindingsActions.iterator();
 
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                while(it.hasNext()){
 
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                        KeyBindingAction keyBindingAction = (KeyBindingAction)it.next();
 
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                        if(action.equals( keyBindingAction.getAction() )){
 
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                                return keyBindingAction.getKeyBinding();
 
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                        }
 
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                }
 
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                return null;
 
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        }
 
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        public void reset(List keyBindings){
 
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                this.keyBindingsActions.clear();
 
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                this.keyBindingsActions.addAll(keyBindings);
 
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        }
 
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        public List getKeyBindingActions(){
 
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                return this.keyBindingsActions;
 
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        }
 
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        public void saveKeyBindings(){
 
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                KeyBindingWriter.setBindings(getKeyBindingActions(),getUserFileName());
 
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        }
 
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        public void appendListenersTo(Control control){
 
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                control.addKeyListener(this.listener);
 
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        }
 
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        protected class KeyBindingListener implements KeyListener {
 
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                public void keyPressed(KeyEvent event) {
 
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                        KeyBinding kb = new KeyBinding();
 
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                        kb.setKey(event.keyCode);
 
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                        kb.setMask(event.stateMask);
 
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                        Action action = getActionForKeyBinding(kb);
 
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                        if (action != null){
 
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                                action.process(event);
 
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                        }
 
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                }
 
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                public void keyReleased(KeyEvent evt) {
 
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                        //not implemented
 
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                }
 
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        }
 
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}