/*
 * Created on 17-dic-2005
 * 
 * TODO To change the template for this generated file go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
package org.herac.tuxguitar.gui.actions.insert;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.TypedEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Spinner;
import org.herac.tuxguitar.gui.TuxGuitar;
import org.herac.tuxguitar.gui.actions.Action;
import org.herac.tuxguitar.gui.editors.tab.TGMeasureImpl;
import org.herac.tuxguitar.gui.undo.undoables.custom.UndoableChangeCloseRepeat;
import org.herac.tuxguitar.gui.util.DialogUtils;

/**
 * @author julian
 * 
 *         TODO To change the template for this generated type comment go to
 *         Window - Preferences - Java - Code Style - Code Templates
 */
public class RepeatCloseAction extends Action {
  public static final String NAME = "action.insert.close-repeat";

  public RepeatCloseAction() {
    super(NAME, AUTO_LOCK | AUTO_UNLOCK | AUTO_UPDATE | DISABLE_ON_PLAYING
        | KEY_BINDING_AVAILABLE);
  }

  protected void closeRepeat(TGMeasureImpl measure, int repeatClose) {
    if (repeatClose >= 0) {

      // comienza el undoable
      UndoableChangeCloseRepeat undoable = UndoableChangeCloseRepeat
          .startUndo();
      TuxGuitar.instance().getFileHistory().setUnsavedFile();

      // numberOfRepetitions = Math.abs(numberOfRepetitions);
      getSongManager().changeCloseRepeat(measure.getStart(), repeatClose);
      updateTablature();

      // termia el undoable
      addUndoableEdit(undoable.endUndo(repeatClose));
    }
  }

  protected int execute(TypedEvent e) {
    TGMeasureImpl measure = getEditor().getTablature().getCaret().getMeasure();
    showCloseRepeatDialog(getEditor().getTablature().getShell(), measure);
    return 0;
  }

  private GridData getButtonData() {
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    data.minimumWidth = 80;
    data.minimumHeight = 25;
    return data;
  }

  protected GridData getSpinnerData() {
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    data.minimumWidth = 100;
    return data;
  }

  public void showCloseRepeatDialog(Shell shell, final TGMeasureImpl measure) {
    if (measure != null) {
      final Shell dialog = DialogUtils.newDialog(shell, SWT.DIALOG_TRIM
          | SWT.APPLICATION_MODAL);

      dialog.setLayout(new GridLayout());
      dialog.setText(TuxGuitar.getProperty("repeat.close"));

      int currentRepeatClose = measure.getRepeatClose();
      if (currentRepeatClose < 1) {
        currentRepeatClose = 1;
      }

      Group group = new Group(dialog, SWT.SHADOW_ETCHED_IN);
      group.setLayout(new GridLayout(2, false));
      group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
      group.setText(TuxGuitar.getProperty("repeat.close"));

      Label repeatCloseLabel = new Label(group, SWT.NULL);
      repeatCloseLabel.setText(TuxGuitar
          .getProperty("repeat.number-of-repetitions"));

      final Spinner repeatClose = new Spinner(group, SWT.BORDER);
      repeatClose.setMinimum(0);
      repeatClose.setMaximum(100);
      repeatClose.setSelection(currentRepeatClose);
      repeatClose.setLayoutData(getSpinnerData());

      // ----------------------BUTTONS--------------------------------
      Composite buttons = new Composite(dialog, SWT.NONE);
      buttons.setLayout(new GridLayout(3, false));
      buttons.setLayoutData(new GridData(SWT.END, SWT.FILL, true, true));

      final Button buttonOK = new Button(buttons, SWT.PUSH);
      buttonOK.setText(TuxGuitar.getProperty("ok"));
      buttonOK.setLayoutData(getButtonData());
      buttonOK.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent arg0) {
          closeRepeat(measure, repeatClose.getSelection());
          dialog.dispose();
        }
      });
      Button buttonClean = new Button(buttons, SWT.PUSH);
      buttonClean.setText(TuxGuitar.getProperty("clean"));
      buttonClean.setLayoutData(getButtonData());
      buttonClean.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent arg0) {
          closeRepeat(measure, 0);
          dialog.dispose();
        }
      });
      Button buttonCancel = new Button(buttons, SWT.PUSH);
      buttonCancel.setText(TuxGuitar.getProperty("cancel"));
      buttonCancel.setLayoutData(getButtonData());
      buttonCancel.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent arg0) {
          dialog.dispose();
        }
      });

      dialog.setDefaultButton(buttonOK);

      DialogUtils.openDialog(dialog, DialogUtils.OPEN_STYLE_CENTER
          | DialogUtils.OPEN_STYLE_PACK | DialogUtils.OPEN_STYLE_WAIT);
    }
  }

  public void updateTablature() {
    fireUpdate(getEditor().getTablature().getCaret().getMeasure().getNumber());
  }
}