/*!
* 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.barcode;
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.editor.ReportDocumentContext;
import org.pentaho.reporting.designer.core.model.selection.DocumentContextSelectionModel;
import org.pentaho.reporting.designer.core.util.undo.AttributeEditUndoEntry;
import org.pentaho.reporting.designer.core.util.undo.CompoundUndoEntry;
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.extensions.modules.sbarcodes.SimpleBarcodesAttributeNames;
import org.pentaho.reporting.engine.classic.extensions.modules.sbarcodes.SimpleBarcodesType;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
public class BarcodeTypeAction extends AbstractElementSelectionAction implements ToggleStateAction
{
private ReportModelEventFilter eventFilter;
private String type;
public BarcodeTypeAction(final String type)
{
this.type = type;
putValue(Action.SELECTED_KEY, Boolean.FALSE);
putValue(Action.NAME, type);
putValue(Action.SHORT_DESCRIPTION, ActionMessages.getString("BarcodeTypeAction.Description", type));
putValue(Action.MNEMONIC_KEY, ActionMessages.getOptionalMnemonic("BarcodeTypeAction.Mnemonic"));
putValue(Action.ACCELERATOR_KEY, ActionMessages.getOptionalKeyStroke("BarcodeTypeAction.Accelerator"));
eventFilter = new ReportModelEventFilterFactory().createAttributeFilter
(SimpleBarcodesAttributeNames.NAMESPACE, SimpleBarcodesAttributeNames.TYPE_ATTRIBUTE);
}
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);
boolean selected;
if (visualElements.isEmpty())
{
selected = false;
}
else
{
selected = true;
for (Element visualElement : visualElements)
{
final Object oldValue = visualElement.getAttribute
(SimpleBarcodesAttributeNames.NAMESPACE, SimpleBarcodesAttributeNames.TYPE_ATTRIBUTE);
selected &= ObjectUtilities.equal(oldValue, type);
}
}
setSelected(selected);
}
/**
* Invoked when an action occurs.
*/
public void actionPerformed(final ActionEvent e)
{
final DocumentContextSelectionModel model = getSelectionModel();
if (model == null)
{
return;
}
final Element[] visualElements = filterBarcodeElements(model);
if (visualElements.length == 0)
{
return;
}
final ReportDocumentContext activeContext = getActiveContext();
if (activeContext == null)
{
return;
}
final ArrayList<UndoEntry> undos = new ArrayList<UndoEntry>();
for (int i = 0; i < visualElements.length; i++)
{
final Element element = visualElements[i];
final Object oldValue = element.getAttribute
(SimpleBarcodesAttributeNames.NAMESPACE, SimpleBarcodesAttributeNames.TYPE_ATTRIBUTE);
final UndoEntry entry = new AttributeEditUndoEntry(element.getObjectID(),
SimpleBarcodesAttributeNames.NAMESPACE, SimpleBarcodesAttributeNames.TYPE_ATTRIBUTE,
oldValue, type);
undos.add(entry);
element.setAttribute(SimpleBarcodesAttributeNames.NAMESPACE, SimpleBarcodesAttributeNames.TYPE_ATTRIBUTE, type);
}
getActiveContext().getUndo().addChange(ActionMessages.getString("BarcodeTypeAction.UndoName", type),
new CompoundUndoEntry(undos.toArray(new UndoEntry[undos.size()])));
}
private Element[] filterBarcodeElements(final DocumentContextSelectionModel model)
{
final List<Element> visualElements = model.getSelectedElementsOfType(Element.class);
final ArrayList<Element> retval = new ArrayList<Element>();
String name = SimpleBarcodesType.INSTANCE.getMetaData().getName();
for (Element element : visualElements)
{
if (name.equals(element.getElementTypeName()))
{
retval.add(element);
}
}
return retval.toArray(new Element[retval.size()]);
}
}