/*
* 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) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.gui.base.actions;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Locale;
import javax.swing.Icon;
import javax.swing.KeyStroke;
import org.pentaho.reporting.engine.classic.core.modules.gui.base.PreviewPane;
import org.pentaho.reporting.engine.classic.core.modules.gui.base.SwingPreviewModule;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.AbstractActionPlugin;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.ReportEventSource;
import org.pentaho.reporting.engine.classic.core.modules.gui.commonswing.SwingGuiContext;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
import org.pentaho.reporting.libraries.base.util.ResourceBundleSupport;
/**
* Creation-Date: 16.11.2006, 16:34:55
*
* @author Thomas Morgner
*/
public class GoToPreviousPageActionPlugin extends AbstractActionPlugin implements ControlActionPlugin {
private class PageUpdateListener implements PropertyChangeListener {
protected PageUpdateListener() {
}
public void propertyChange( final PropertyChangeEvent evt ) {
revalidate();
}
}
private ResourceBundleSupport resources;
private ReportEventSource eventSource;
private PageUpdateListener updateListener;
public GoToPreviousPageActionPlugin() {
updateListener = new PageUpdateListener();
}
public void deinitialize( final SwingGuiContext swingGuiContext ) {
super.deinitialize( swingGuiContext );
swingGuiContext.getEventSource().removePropertyChangeListener( updateListener );
}
public boolean initialize( final SwingGuiContext context ) {
super.initialize( context );
resources =
new ResourceBundleSupport( context.getLocale(), SwingPreviewModule.BUNDLE_NAME, ObjectUtilities
.getClassLoader( SwingPreviewModule.class ) );
eventSource = context.getEventSource();
eventSource.addPropertyChangeListener( updateListener );
revalidate();
return true;
}
private void revalidate() {
if ( eventSource.isPaginated() == false ) {
setEnabled( false );
return;
}
if ( eventSource.getPageNumber() <= 1 ) {
setEnabled( false );
return;
}
setEnabled( true );
}
protected String getConfigurationPrefix() {
return "org.pentaho.reporting.engine.classic.core.modules.gui.base.go-to-previous."; //$NON-NLS-1$
}
/**
* Returns the display name for the export action.
*
* @return The display name.
*/
public String getDisplayName() {
return resources.getString( "action.back.name" ); //$NON-NLS-1$
}
/**
* Returns the short description for the export action.
*
* @return The short description.
*/
public String getShortDescription() {
return resources.getString( "action.back.description" ); //$NON-NLS-1$
}
/**
* Returns the small icon for the export action.
*
* @return The icon.
*/
public Icon getSmallIcon() {
final Locale locale = getContext().getLocale();
return getIconTheme().getSmallIcon( locale, "action.back.small-icon" ); //$NON-NLS-1$
}
/**
* Returns the large icon for the export action.
*
* @return The icon.
*/
public Icon getLargeIcon() {
final Locale locale = getContext().getLocale();
return getIconTheme().getLargeIcon( locale, "action.back.icon" ); //$NON-NLS-1$
}
/**
* Returns the accelerator key for the export action.
*
* @return The accelerator key.
*/
public KeyStroke getAcceleratorKey() {
return resources.getOptionalKeyStroke( "action.back.accelerator" ); //$NON-NLS-1$
}
/**
* Returns the mnemonic key code.
*
* @return The code.
*/
public Integer getMnemonicKey() {
return resources.getOptionalMnemonic( "action.back.mnemonic" ); //$NON-NLS-1$
}
public boolean configure( final PreviewPane reportPane ) {
reportPane.setPageNumber( Math.max( 1, reportPane.getPageNumber() - 1 ) );
return true;
}
}