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Viewing changes to src/org/herac/tuxguitar/gui/actions/composition/ChangeTimeSignatureAction.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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src/org/herac/tuxguitar/gui/actions/composition/ChangeTimeSignatureAction.java
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/*
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 * Created on 17-dic-2005
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 *
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 * TODO To change the template for this generated file go to
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 * Window - Preferences - Java - Code Style - Code Templates
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 */
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package org.herac.tuxguitar.gui.actions.composition;
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import org.eclipse.swt.SWT;
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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.events.TypedEvent;
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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.Combo;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Label;
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import org.eclipse.swt.widgets.Shell;
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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.editors.TablatureEditor;
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import org.herac.tuxguitar.gui.editors.tab.Caret;
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import org.herac.tuxguitar.gui.editors.tab.MeasureCoords;
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import org.herac.tuxguitar.gui.editors.tab.SongCoords;
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import org.herac.tuxguitar.gui.undo.undoables.custom.UndoableChangeTimeSignature;
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import org.herac.tuxguitar.song.models.Duration;
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import org.herac.tuxguitar.song.models.TimeSignature;
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/**
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 * @author julian
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 *
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 * TODO To change the template for this generated type comment go to
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 * Window - Preferences - Java - Code Style - Code Templates
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 */
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public class ChangeTimeSignatureAction extends Action{
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    public static final String NAME = "action.composition.change-time-signature";
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    public ChangeTimeSignatureAction(TablatureEditor tablatureEditor) {
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        super(NAME,true,tablatureEditor);       
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    }
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    public boolean doAction(TypedEvent e) {
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        showDialog(getEditor().getTablature().getShell()); 
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        return true;
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    }
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    public void showDialog(Shell shell) {
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        MeasureCoords measure = getEditor().getTablature().getCaret().getMeasureCoords();
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        if (measure != null) {
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            final Shell dialog = new Shell(shell, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
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            dialog.setLayout(new GridLayout());
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            dialog.setText(TuxGuitar.getProperty("composition.timesignature"));
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            //-------------TIME SIGNATURE-----------------------------------------------
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            Composite timeSignature = new Composite(dialog, SWT.NONE);
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            timeSignature.setLayout(new GridLayout(2,false));
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            timeSignature.setLayoutData(new GridData(SWT.FILL,SWT.FILL,true,true));   
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            TimeSignature currentTimeSignature = measure.getMeasure().getTimeSignature();
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            //numerator
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            Label numeratorLabel = new Label(timeSignature, SWT.NULL);
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            numeratorLabel.setText(TuxGuitar.getProperty("composition.timesignature.Numerator"));
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            final Combo numerator = new Combo(timeSignature, SWT.DROP_DOWN | SWT.READ_ONLY);
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            for (int i = 1; i <= 32; i++) {
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                numerator.add(Integer.toString(i));
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            }            
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            numerator.setText(Integer.toString(currentTimeSignature.getNumerator()));
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            numerator.setLayoutData(getComboData());
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            //denominator
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            Label denominatorLabel = new Label(timeSignature, SWT.NULL);
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            denominatorLabel.setText(TuxGuitar.getProperty("composition.timesignature.denominator"));
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            final Combo denominator = new Combo(timeSignature, SWT.DROP_DOWN | SWT.READ_ONLY);
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            for (int i = 1; i <= 32; i = i * 2) {
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                denominator.add(Integer.toString(i));
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            }
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            denominator.setText(Integer.toString(currentTimeSignature.getDenominator().getValue()));
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            denominator.setLayoutData(getComboData());
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            //--------------------To End Checkbox-------------------------------
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            Composite check = new Composite(dialog, SWT.NONE);
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            check.setLayout(new GridLayout());
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            check.setLayoutData(new GridData(SWT.FILL,SWT.FILL,true,true));    
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            final Button toEnd = new Button(check, SWT.CHECK);
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            toEnd.setText(TuxGuitar.getProperty("composition.timesignature.to-the-end"));            
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            toEnd.setSelection(true);
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            //------------------BUTTONS--------------------------            
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            Composite buttons = new Composite(dialog, SWT.NONE);
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            buttons.setLayout(new GridLayout(2,false));
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            buttons.setLayoutData(new GridData(SWT.END,SWT.FILL,true,true));            
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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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            final Button buttonOk = new Button(buttons, SWT.PUSH);
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            buttonOk.setText(TuxGuitar.getProperty("ok"));
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            buttonOk.setLayoutData(data);
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            buttonOk.addSelectionListener(new SelectionAdapter() {
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                public void widgetSelected(SelectionEvent arg0) {   
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                    boolean toEndValue = toEnd.getSelection();
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                    int numeratorValue = Integer.parseInt(numerator.getText());
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                    int denominatorValue = Integer.parseInt(denominator.getText());
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                    TimeSignature timeSignature = new TimeSignature(numeratorValue,new Duration(denominatorValue));                    
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                    setTimeSignature(timeSignature,toEndValue);
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                    dialog.dispose();
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                }
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            });
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            Button buttonCancel = new Button(buttons, SWT.PUSH);
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            buttonCancel.setLayoutData(data);
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            buttonCancel.setText(TuxGuitar.getProperty("cancel"));
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            buttonCancel.addSelectionListener(new SelectionAdapter() {
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                public void widgetSelected(SelectionEvent arg0) {
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                    dialog.dispose();
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                }
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            });
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            dialog.pack();
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            dialog.open();
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            int x = shell.getBounds().x + (shell.getBounds().width - dialog.getSize().x) / 2;
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            int y = shell.getBounds().y + (shell.getBounds().height - dialog.getSize().y) / 2;
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            dialog.setLocation(x, y);
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                while (!dialog.isDisposed()) {
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                if (!dialog.getDisplay().readAndDispatch()) {
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                        dialog.getDisplay().sleep();
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                }
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            }
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        }
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    }
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    private GridData getComboData(){
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        GridData data = new GridData(SWT.FILL,SWT.FILL,true,true);
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        data.minimumWidth = 150;
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        return data;
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    }
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    private void setTimeSignature(TimeSignature timeSignature,boolean toEnd){
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        //comienza el undoable
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        UndoableChangeTimeSignature undoable = UndoableChangeTimeSignature.startUndo(); 
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        Caret caret = getEditor().getTablature().getCaret();
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        SongCoords songCoords = caret.getSongCoords();
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        MeasureCoords measure = caret.getMeasureCoords();
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        getSongManager().changeTimeSignature(measure.getMeasure().getStart(),timeSignature,toEnd);
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        //actualizo la tablatura
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        updateTablature();
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        redraw();                
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        //termia el undoable
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        getEditor().getUndoManager().addEdit(undoable.endUndo(timeSignature,toEnd));
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    }    
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}