/*!
* 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.format;
import java.awt.event.ActionEvent;
import java.util.ArrayList;
import java.util.List;
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.model.selection.DocumentContextSelectionModel;
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.designtime.ReportModelEventFilter;
import org.pentaho.reporting.engine.classic.core.designtime.ReportModelEventFilterFactory;
import org.pentaho.reporting.engine.classic.core.event.ReportModelEvent;
import org.pentaho.reporting.engine.classic.core.style.ElementStyleKeys;
import org.pentaho.reporting.engine.classic.core.style.ElementStyleSheet;
public final class ScaleAction extends AbstractElementSelectionAction implements ToggleStateAction
{
private ReportModelEventFilter eventFilter;
public ScaleAction()
{
putValue(Action.SELECTED_KEY, Boolean.FALSE);
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"));
eventFilter = new ReportModelEventFilterFactory().createStyleFilter(ElementStyleKeys.SCALE);
}
protected void selectedElementPropertiesChanged(final ReportModelEvent event)
{
if (eventFilter.isFilteredEvent(event))
{
updateSelection();
}
}
public boolean isSelected()
{
return Boolean.TRUE.equals(getValue(Action.SELECTED_KEY));
}
public void setSelected(final boolean selected)
{
putValue(Action.SELECTED_KEY, selected);
}
protected void updateSelection()
{
super.updateSelection();
final DocumentContextSelectionModel model = getSelectionModel();
if (model == null)
{
return;
}
final List<Element> visualElements = model.getSelectedElementsOfType(Element.class);
if (visualElements.isEmpty())
{
setSelected(false);
return;
}
final Element element = visualElements.get(0);
final ElementStyleSheet styleSheet = element.getStyle();
setSelected(styleSheet.getBooleanStyleProperty(ElementStyleKeys.SCALE));
}
/**
* 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);
final ArrayList<UndoEntry> undos = new ArrayList<UndoEntry>();
Boolean value = null;
for (Element element : visualElements)
{
final ElementStyleSheet styleSheet = element.getStyle();
if (value == null)
{
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()])));
}
}