/*
* 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) 2009 Pentaho Corporation. All rights reserved.
*/
package org.pentaho.reporting.designer.core.actions.elements.format;
import java.awt.event.ActionEvent;
import java.util.ArrayList;
import javax.swing.Action;
import org.pentaho.reporting.designer.core.actions.AbstractElementSelectionAction;
import org.pentaho.reporting.designer.core.actions.ActionMessages;
import org.pentaho.reporting.designer.core.actions.ToggleStateAction;
import org.pentaho.reporting.designer.core.editor.ReportRenderContext;
import org.pentaho.reporting.designer.core.model.selection.ReportSelectionModel;
import org.pentaho.reporting.designer.core.util.undo.CompoundUndoEntry;
import org.pentaho.reporting.designer.core.util.undo.StyleEditUndoEntry;
import org.pentaho.reporting.designer.core.util.undo.UndoEntry;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.style.ElementStyleKeys;
import org.pentaho.reporting.engine.classic.core.style.ElementStyleSheet;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public final class ScaleAction extends AbstractElementSelectionAction implements ToggleStateAction
{
private boolean selected;
public ScaleAction()
{
putValue(Action.NAME, ActionMessages.getString("ScaleAction.Text"));
putValue(Action.SHORT_DESCRIPTION, ActionMessages.getString("ScaleAction.Description"));
putValue(Action.MNEMONIC_KEY, ActionMessages.getOptionalMnemonic("ScaleAction.Mnemonic"));
putValue(Action.ACCELERATOR_KEY, ActionMessages.getOptionalKeyStroke("ScaleAction.Accelerator"));
}
public boolean isSelected()
{
return selected;
}
public void setSelected(final boolean selected)
{
final boolean oldValue = this.selected;
this.selected = selected;
firePropertyChange(SELECTED, oldValue, selected);
}
protected void updateSelection()
{
super.updateSelection();
final ReportSelectionModel selectionModel = getSelectionModel();
if (selectionModel == null)
{
return;
}
final Element[] visualElements = selectionModel.getSelectedVisualElements();
if (visualElements.length == 0)
{
return;
}
final Element element = visualElements[0];
final ElementStyleSheet styleSheet = element.getStyle();
setSelected(styleSheet.getBooleanStyleProperty(ElementStyleKeys.SCALE));
}
/**
* Invoked when an action occurs.
*/
public void actionPerformed(final ActionEvent e)
{
final ReportSelectionModel selectionModel = getSelectionModel();
if (selectionModel == null)
{
return;
}
final Element[] visualElements = selectionModel.getSelectedVisualElements();
if (visualElements.length == 0)
{
return;
}
final ReportRenderContext activeContext = getActiveContext();
if (activeContext == null)
{
return;
}
final ArrayList<UndoEntry> undos = new ArrayList<UndoEntry>();
Boolean value = Boolean.FALSE;
for (int i = 0; i < visualElements.length; i++)
{
final Element element = visualElements[i];
final ElementStyleSheet styleSheet = element.getStyle();
if (i == 0)
{
if (styleSheet.getBooleanStyleProperty(ElementStyleKeys.SCALE))
{
value = Boolean.FALSE;
}
else
{
value = Boolean.TRUE;
}
}
undos.add(StyleEditUndoEntry.createConditional(element, ElementStyleKeys.SCALE, value));
styleSheet.setStyleProperty(ElementStyleKeys.SCALE, value);
}
getActiveContext().getUndo().addChange(ActionMessages.getString("ScaleAction.UndoName"),
new CompoundUndoEntry(undos.toArray(new UndoEntry[undos.size()])));
}
}