/*!
* 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) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.designer.core.actions.elements.align;
import org.pentaho.reporting.designer.core.actions.AbstractElementSelectionAction;
import org.pentaho.reporting.designer.core.actions.ActionMessages;
import org.pentaho.reporting.designer.core.editor.report.drag.MoveDragOperation;
import org.pentaho.reporting.designer.core.editor.report.snapping.EmptySnapModel;
import org.pentaho.reporting.designer.core.model.CachedLayoutData;
import org.pentaho.reporting.designer.core.model.ModelUtility;
import org.pentaho.reporting.designer.core.model.selection.DocumentContextSelectionModel;
import org.pentaho.reporting.designer.core.util.IconLoader;
import org.pentaho.reporting.designer.core.util.undo.MassElementStyleUndoEntry;
import org.pentaho.reporting.designer.core.util.undo.MassElementStyleUndoEntryBuilder;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.event.ReportModelEvent;
import org.pentaho.reporting.engine.classic.core.util.geom.StrictGeomUtility;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.geom.Point2D;
import java.util.Arrays;
import java.util.List;
public final class AlignBottomAction extends AbstractElementSelectionAction {
private static final Point2D.Double ORIGIN_POINT = new Point2D.Double();
public AlignBottomAction() {
putValue( Action.NAME, ActionMessages.getString( "AlignBottomAction.Text" ) );
putValue( Action.SHORT_DESCRIPTION, ActionMessages.getString( "AlignBottomAction.Description" ) );
putValue( Action.MNEMONIC_KEY, ActionMessages.getOptionalMnemonic( "AlignBottomAction.Mnemonic" ) );
putValue( Action.SMALL_ICON, IconLoader.getInstance().getAlignBottomIcon() );
putValue( Action.ACCELERATOR_KEY, ActionMessages.getOptionalKeyStroke( "AlignBottomAction.Accelerator" ) );
}
protected void selectedElementPropertiesChanged( final ReportModelEvent event ) {
}
/**
* Invoked when an action occurs.
*/
public void actionPerformed( final ActionEvent e ) {
final DocumentContextSelectionModel model = getSelectionModel();
if ( model == null ) {
return;
}
final List<Element> visualElements = model.getSelectedElementsOfType( Element.class );
if ( visualElements.size() <= 1 ) {
return;
}
final Element[] carrier = new Element[ 1 ];
final List<Element> objects = ModelUtility.filterParents( visualElements );
final MassElementStyleUndoEntryBuilder builder = new MassElementStyleUndoEntryBuilder( objects );
long maxY = Long.MIN_VALUE;
for ( Element object : objects ) {
final CachedLayoutData data = ModelUtility.getCachedLayoutData( object );
final long l = data.getY() + data.getHeight();
if ( l > maxY ) {
maxY = l;
}
}
for ( Element object : objects ) {
final CachedLayoutData data = ModelUtility.getCachedLayoutData( object );
final long l = data.getY() + data.getHeight();
final long delta = maxY - l;
if ( delta == 0 ) {
continue;
}
carrier[ 0 ] = object;
final MoveDragOperation mop = new MoveDragOperation
( Arrays.asList( carrier ), ORIGIN_POINT, EmptySnapModel.INSTANCE, EmptySnapModel.INSTANCE );
mop.update( new Point2D.Double( 0, StrictGeomUtility.toExternalValue( delta ) ), 1 );
mop.finish();
}
final MassElementStyleUndoEntry massElementStyleUndoEntry = builder.finish();
getActiveContext().getUndo()
.addChange( ActionMessages.getString( "AlignBottomAction.UndoName" ), massElementStyleUndoEntry );
}
}