InternalZoomAction.java example

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pentaho-reporting-master
/*
 * This program is free software; you can redistribute it and/or modify it under the
 *  terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 *  Foundation.
 *
 *  You should have received a copy of the GNU Lesser General Public License along with this
 *  program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 *  or from the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *  See the GNU Lesser General Public License for more details.
 *
 *  Copyright (c) 2006 - 2013 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.reporting.designer.core;

import org.pentaho.reporting.designer.core.actions.global.ZoomAction;
import org.pentaho.reporting.designer.core.editor.ReportDocumentContext;

import java.awt.event.ActionEvent;

class InternalZoomAction extends ZoomAction {
  InternalZoomAction( final int percentage ) {
    super( percentage );
  }

  public boolean isSelected() {
    final ReportDocumentContext activeContext = getActiveContext();
    if ( activeContext != null ) {
      return activeContext.getZoomModel().getZoomAsPercentage() == ( getPercentage() / 100f );
    }
    return false;
  }

  /**
   * Invoked when an action occurs.
   */
  public void actionPerformed( final ActionEvent e ) {
    final ReportDocumentContext activeContext = getActiveContext();
    if ( activeContext != null ) {
      activeContext.getZoomModel().setZoomAsPercentage( getPercentage() / 100f );
    }
  }
}