/*******************************************************************************
* Copyright (c)                                                                *
*           2005   Tristan Allwood,                                            *
*           2005   Daniel Burke,                                               *
*           2005   Marc Hull,                                                  *
*           2005   Ekaterina Itskova,                                          *
*           2005   Steve Zymler                                                *
*                                                                              *
* Permission is hereby granted, free of charge, to any person obtaining a      *
* copy of this software and associated documentation files (the                *
* "Software"), to deal in the Software without restriction, including          *
* without limitation the rights to use, copy, modify, merge, publish,          *
* distribute, sublicense, and/or sell copies of the Software, and to           *
* permit persons to whom the Software is furnished to do so, subject to        *
* the following conditions:                                                    *
*                                                                              *
* The above copyright notice and this permission notice shall be included      *
* in all copies or substantial portions of the Software.                       *
*                                                                              *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS      *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF                   *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.       *
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY         *
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,         *
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE            *
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                       *
*******************************************************************************/
/*
 * Created on 26-Nov-2004
 *
 */
package uk.ac.ic.doc.kevlar.gui.internal.keyboard.actions.findasyoutype;

import org.eclipse.swt.events.KeyEvent;

import uk.ac.ic.doc.kevlar.gui.internal.keyboard.AutoCompleteBox;
import uk.ac.ic.doc.kevlar.gui.internal.keyboard.Item;
import uk.ac.ic.doc.kevlar.gui.internal.keyboard.KeyBindings;
import uk.ac.ic.doc.kevlar.gui.internal.keyboard.KeyboardManager;
import uk.ac.ic.doc.kevlar.gui.internal.keyboard.actions.IAction;
import uk.ac.ic.doc.kevlar.gui.internal.keyboard.states.AutoCompleteState;
import uk.ac.ic.doc.kevlar.gui.internal.keyboard.states.FindAsYouTypeState;
import uk.ac.ic.doc.kevlar.gui.internal.keyboard.states.State;

/**
 * @author Marc
 **/
public class EditFindAsYouTypeAction implements IAction {

    public boolean perform(Item event, State s, KeyEvent e) {

        if (s instanceof FindAsYouTypeState) {
            
            AutoCompleteState state = (AutoCompleteState)s;
            AutoCompleteBox autocomplete = state.getAutoComplete();
            
            if (KeyBindings.code("PRESSED").equals(event)) {
            
                if (KeyBindings.code("ESCAPE").equals(e.keyCode)) {
                    
                    KeyboardManager.getSingleton().gotoHistoryState();
                    
                } else if (KeyBindings.code("UP").equals(e.keyCode)) {

                    autocomplete.moveSelectionUp();
                    
                } else if (KeyBindings.code("DOWN").equals(e.keyCode)) {

                    autocomplete.moveSelectionDown();
                                                          
                }  else {
                    
                    return state.getTextBoxAction().perform(event, state.getTextBoxState(), e);
                    
                }
                
            } else {
                
                return state.getTextBoxAction().perform(event, state.getTextBoxState(), e);
                
            } 
            
        }
                
        return false;
                
    }

}
