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

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2008-06-19 00:30:30 UTC
  • mto: (5.1.2 sid)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20080619003030-h719szrhsngou7c6
Tags: upstream-1.0
Import upstream version 1.0

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TuxGuitar/src/org/herac/tuxguitar/gui/system/keybindings/editor/KeyBindingEditor.java
 
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package org.herac.tuxguitar.gui.system.keybindings.editor;
 
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import java.util.ArrayList;
 
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import java.util.Collections;
 
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import java.util.Iterator;
 
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import java.util.List;
 
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import org.eclipse.swt.SWT;
 
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import org.eclipse.swt.events.DisposeEvent;
 
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import org.eclipse.swt.events.DisposeListener;
 
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import org.eclipse.swt.events.MouseAdapter;
 
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import org.eclipse.swt.events.MouseEvent;
 
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import org.eclipse.swt.events.SelectionAdapter;
 
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import org.eclipse.swt.events.SelectionEvent;
 
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import org.eclipse.swt.layout.GridData;
 
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import org.eclipse.swt.layout.GridLayout;
 
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import org.eclipse.swt.widgets.Button;
 
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import org.eclipse.swt.widgets.Composite;
 
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import org.eclipse.swt.widgets.Shell;
 
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import org.eclipse.swt.widgets.Table;
 
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import org.eclipse.swt.widgets.TableColumn;
 
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import org.eclipse.swt.widgets.TableItem;
 
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import org.herac.tuxguitar.gui.TuxGuitar;
 
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import org.herac.tuxguitar.gui.system.keybindings.KeyBindingAction;
 
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import org.herac.tuxguitar.gui.system.keybindings.KeyBinding;
 
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import org.herac.tuxguitar.gui.system.keybindings.KeyBindingActionDefaults;
 
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import org.herac.tuxguitar.gui.util.DialogUtils;
 
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public class KeyBindingEditor {
 
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        private static final int ACTION_WIDTH = 400;
 
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        private static final int SHORTCUT_WIDTH = 100;
 
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        protected Shell dialog;
 
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        protected Table table;
 
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        protected List items;
 
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        public KeyBindingEditor(){
 
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                this.items = new ArrayList();
 
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        }
 
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        public void show(Shell parent){
 
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                this.dialog = DialogUtils.newDialog(parent,SWT.DIALOG_TRIM |SWT.APPLICATION_MODAL);
 
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                this.dialog.setText(TuxGuitar.getProperty("key-bindings-editor"));
 
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                this.dialog.setLayout(new GridLayout());
 
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                Composite composite = new Composite(this.dialog,SWT.NONE);
 
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                composite.setLayout(new GridLayout());
 
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                composite.setLayoutData(new GridData(SWT.FILL,SWT.NONE,true,true));
 
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                this.table = new Table(composite, SWT.BORDER | SWT.SINGLE | SWT.FULL_SELECTION);
 
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                this.table.setLayoutData(new GridData((ACTION_WIDTH + SHORTCUT_WIDTH) ,250));
 
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                this.table.setHeaderVisible(true);
 
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                this.table.addMouseListener(new MouseAdapter() {
 
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                        public void mouseDoubleClick(MouseEvent e) {
 
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                                TableItem item = getSelectedItem();
 
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                                if(item != null){
 
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                                        KeyBindingAction itemData = (KeyBindingAction)item.getData();
 
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                                        KeyBindingSelector selector = new KeyBindingSelector(KeyBindingEditor.this,itemData);
 
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                                        KeyBinding kb = selector.select(KeyBindingEditor.this.dialog.getShell());
 
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                                        removeKeyBindingAction(kb);
 
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                                        itemData.setKeyBinding(kb);
 
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                                        loadTableItemLabel(item);
 
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                                }
 
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                        }
 
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                });
 
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                TableColumn actionColumn = new TableColumn(this.table, SWT.LEFT);
 
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                actionColumn.setText(TuxGuitar.getProperty("key-bindings-editor-action-column"));
 
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                TableColumn shortcutColumn = new TableColumn(this.table, SWT.LEFT);
 
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                shortcutColumn.setText(TuxGuitar.getProperty("key-bindings-editor-shortcut-column"));
 
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                loadAvailableActionKeyBindings();
 
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                loadEnableActionKeyBindings(TuxGuitar.instance().getkeyBindingManager().getKeyBindingActions());
 
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                //------------------BUTTONS--------------------------
 
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                Composite buttons = new Composite(this.dialog, SWT.NONE);
 
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                buttons.setLayout(new GridLayout(2,false));
 
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                buttons.setLayoutData(new GridData(SWT.RIGHT,SWT.FILL,true,true));
 
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                Button defaults = new Button(buttons,SWT.PUSH);
 
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                defaults.setText(TuxGuitar.getProperty("defaults"));
 
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                defaults.setLayoutData(getButtonData());
 
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                defaults.addSelectionListener(new SelectionAdapter() {
 
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                        public void widgetSelected(SelectionEvent e) {
 
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                                loadEnableActionKeyBindings(KeyBindingActionDefaults.getDefaultKeyBindings());
 
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                        }
 
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                });
 
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                Button close = new Button(buttons,SWT.PUSH);
 
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                close.setText(TuxGuitar.getProperty("close"));
 
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                close.setLayoutData(getButtonData());
 
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                close.addSelectionListener(new SelectionAdapter() {
 
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                        public void widgetSelected(SelectionEvent e) {
 
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                                KeyBindingEditor.this.dialog.dispose();
 
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                        }
 
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                });
 
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                this.dialog.addDisposeListener(new DisposeListener() {
 
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                        public void widgetDisposed(DisposeEvent e) {
 
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                                save();
 
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                        }
 
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                });
 
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                this.table.setLayoutData(new GridData( (adjustWidth(actionColumn,ACTION_WIDTH) + adjustWidth(shortcutColumn,SHORTCUT_WIDTH)) ,250) );
 
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                this.dialog.setDefaultButton( close );
 
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                DialogUtils.openDialog(this.dialog,DialogUtils.OPEN_STYLE_CENTER | DialogUtils.OPEN_STYLE_PACK);
 
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        }
 
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        protected int adjustWidth(TableColumn column, int defaultWidth){
 
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                column.pack();
 
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                int width = column.getWidth();
 
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                if( width < defaultWidth ){
 
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                        width = defaultWidth;
 
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                        column.setWidth( width );
 
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                }
 
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                return width;
 
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        }
 
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        protected GridData getButtonData(){
 
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                GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
 
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                data.minimumWidth = 80;
 
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                data.minimumHeight = 25;
 
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                return data;
 
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        }
 
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        protected void loadTableItemLabel(TableItem item){
 
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                if(item.getData() instanceof KeyBindingAction){
 
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                        KeyBindingAction actionkeyBinding = (KeyBindingAction)item.getData();
 
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                        String action = actionkeyBinding.getAction();
 
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                        String shortcut = (actionkeyBinding.getKeyBinding() != null)?actionkeyBinding.getKeyBinding().toString():"";
 
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                        item.setText(new String[] { TuxGuitar.getProperty(action),shortcut});
 
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                }
 
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        }
 
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        protected void loadAvailableActionKeyBindings(){
 
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                List list = TuxGuitar.instance().getActionManager().getAvailableKeyBindingActions();
 
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                Collections.sort(list); 
 
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                Iterator it = list.iterator();
 
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                while (it.hasNext()) {
 
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                        String action = (String) it.next();
 
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                        TableItem item = new TableItem(this.table, SWT.NONE);
 
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                        item.setData(new KeyBindingAction(action,null));
 
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                        this.items.add(item);
 
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                }
 
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        }
 
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        protected void loadEnableActionKeyBindings(List list){
 
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                Iterator items = this.items.iterator();
 
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                while (items.hasNext()) {
 
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                        TableItem item = (TableItem) items.next();
 
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                        if(item.getData() instanceof KeyBindingAction){
 
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                                KeyBindingAction itemData = (KeyBindingAction)item.getData();
 
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                                KeyBinding keyBinding = null;
 
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                                Iterator it = list.iterator();
 
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                                while (it.hasNext()) {
 
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                                        KeyBindingAction keyBindingAction = (KeyBindingAction) it.next();
 
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                                        if(keyBindingAction.getAction().equals(itemData.getAction())){
 
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                                                keyBinding =  (KeyBinding) keyBindingAction.getKeyBinding().clone();
 
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                                                break;
 
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                                        }
 
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                                }
 
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                                itemData.setKeyBinding(keyBinding);
 
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                                loadTableItemLabel(item);
 
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                        }
 
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                }
 
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        }
 
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        protected void removeKeyBindingAction(KeyBinding kb){
 
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                if(kb != null){
 
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                        Iterator it = this.items.iterator();
 
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                        while(it.hasNext()){
 
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                                TableItem item = (TableItem) it.next();
 
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                                if(item.getData() instanceof KeyBindingAction){
 
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                                        KeyBindingAction itemData = (KeyBindingAction)item.getData();
 
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                                        if(kb.isSameAs(itemData.getKeyBinding())){
 
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                                                itemData.setKeyBinding(null);
 
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                                                loadTableItemLabel(item);
 
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                                        }
 
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                                }
 
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                        }
 
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                }
 
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        }
 
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        protected TableItem getSelectedItem(){
 
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                TableItem item = null;
 
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                int itemSelected = this.table.getSelectionIndex();
 
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                if(itemSelected >= 0){
 
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                        item = this.table.getItem(itemSelected);
 
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                }
 
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                return item;
 
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        }
 
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        public boolean exists(KeyBinding kb){
 
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                Iterator it = this.items.iterator();
 
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                while(it.hasNext()){
 
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                        TableItem item = (TableItem) it.next();
 
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                        if(item.getData() instanceof KeyBindingAction){
 
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                                KeyBindingAction itemData = (KeyBindingAction)item.getData();
 
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                                if(itemData.getKeyBinding() != null && kb.isSameAs(itemData.getKeyBinding())){
 
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                                        return true;
 
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                                }
 
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                        }
 
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                }
 
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                return false;
 
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        }
 
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        protected void save(){
 
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                List list = new ArrayList();
 
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                Iterator it = this.items.iterator();
 
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                while (it.hasNext()) {
 
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                        TableItem item = (TableItem) it.next();
 
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                        if(item.getData() instanceof KeyBindingAction){
 
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                                KeyBindingAction keyBindingAction = (KeyBindingAction)item.getData();
 
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                                if(keyBindingAction.getAction() != null && keyBindingAction.getKeyBinding() != null){
 
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                                        list.add(keyBindingAction);
 
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                                }
 
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                        }
 
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                }
 
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                TuxGuitar.instance().getkeyBindingManager().reset(list);
 
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                TuxGuitar.instance().getkeyBindingManager().saveKeyBindings();
 
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        }
 
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        public Shell getDialog(){
 
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                return this.dialog;
 
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        }
 
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        public boolean isDisposed(){
 
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                return (this.dialog == null || this.dialog.isDisposed() );
 
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        }
 
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}