/*
* 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;
import java.awt.event.ActionEvent;
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.editor.ReportRenderContext;
import org.pentaho.reporting.designer.core.model.ModelUtility;
import org.pentaho.reporting.designer.core.settings.SettingsListener;
import org.pentaho.reporting.designer.core.settings.WorkspaceSettings;
import org.pentaho.reporting.designer.core.util.IconLoader;
import org.pentaho.reporting.designer.core.util.exceptions.UncaughtExceptionsModel;
import org.pentaho.reporting.designer.core.util.undo.UndoEntry;
import org.pentaho.reporting.engine.classic.core.CrosstabRowGroup;
import org.pentaho.reporting.engine.classic.core.CrosstabRowGroupBody;
import org.pentaho.reporting.engine.classic.core.Group;
import org.pentaho.reporting.engine.classic.core.GroupBody;
import org.pentaho.reporting.engine.classic.core.util.InstanceID;
/**
* Inserts a crosstab row group, only appears when inside a crosstab row
*
* @author Will Gorman (wgorman@pentaho.com)
*/
public final class InsertCrosstabRowGroupAction extends AbstractElementSelectionAction implements SettingsListener
{
private static final long serialVersionUID = 8941387470673515186L;
private boolean visible;
public InsertCrosstabRowGroupAction()
{
putValue(Action.NAME, ActionMessages.getString("InsertCrosstabRowGroupAction.Text"));
putValue(Action.SHORT_DESCRIPTION, ActionMessages.getString("InsertCrosstabRowGroupAction.Description"));
putValue(Action.MNEMONIC_KEY, ActionMessages.getOptionalMnemonic("InsertCrosstabRowGroupAction.Mnemonic"));
putValue(Action.ACCELERATOR_KEY, ActionMessages.getOptionalKeyStroke("InsertCrosstabRowGroupAction.Accelerator"));
putValue(Action.SMALL_ICON, IconLoader.getInstance().getGenericSquare());
visible = WorkspaceSettings.getInstance().isExperimentalFeaturesVisible();
WorkspaceSettings.getInstance().addSettingsListener(this);
}
public void actionPerformed(final ActionEvent e)
{
final ReportRenderContext activeContext = getActiveContext();
if (activeContext == null)
{
return;
}
final CrosstabRowGroup newGroup = new CrosstabRowGroup();
try
{
Object selectedElement = null;
if (getSelectionModel().getSelectionCount() > 0)
{
selectedElement = getSelectionModel().getSelectedElement(0);
}
if (selectedElement instanceof CrosstabRowGroup)
{
// execution order is important here.
// first unlink the old root-group by setting a new one ...
final CrosstabRowGroup selectedGroup = (CrosstabRowGroup) selectedElement;
final GroupBody oldGroupBody = selectedGroup.getBody();
final CrosstabRowGroupBody newGroupBody = new CrosstabRowGroupBody(newGroup);
selectedGroup.setBody(newGroupBody);
newGroup.setBody(oldGroupBody);
activeContext.getUndo().addChange(ActionMessages.getString("InsertCrosstabRowGroupAction.UndoName"),
new InsertGroupBodyOnGroupUndoEntry(selectedGroup.getObjectID(), oldGroupBody, newGroupBody));
}
}
catch (Exception ex)
{
UncaughtExceptionsModel.getInstance().addException(ex);
}
}
protected void updateSelection()
{
if (visible == false)
{
setEnabled(false);
return;
}
if (getSelectionModel() != null && getSelectionModel().getSelectionCount() == 0)
{
// there's nothing selected, we can safely add a new group
// at the report level (AbstractReportDefinition)
setEnabled(false);
return;
}
if (isSingleElementSelection() == false)
{
// there's more than 1 element selected, disable because
// we can't know where to insert in this case
setEnabled(false);
return;
}
final Object selectedElement = getSelectionModel().getSelectedElement(0);
if (selectedElement instanceof CrosstabRowGroup)
{
// if the selectedElement is the report-definition or a relational group
// then we can safely insert to those
setEnabled(true);
return;
}
setEnabled(false);
}
private static class InsertGroupBodyOnGroupUndoEntry implements UndoEntry
{
private static final long serialVersionUID = 6615171451777587555L;
private InstanceID target;
private GroupBody newRootGroup;
private GroupBody oldRootGroup;
private InsertGroupBodyOnGroupUndoEntry(final InstanceID target, final GroupBody oldRootGroup, final GroupBody newRootGroup)
{
this.target = target;
this.oldRootGroup = oldRootGroup;
this.newRootGroup = newRootGroup;
}
public void undo(final ReportRenderContext renderContext)
{
final Group selectedGroup = (Group)
ModelUtility.findElementById(renderContext.getReportDefinition(), target);
selectedGroup.setBody(oldRootGroup);
}
public void redo(final ReportRenderContext renderContext)
{
final Group selectedGroup = (Group)
ModelUtility.findElementById(renderContext.getReportDefinition(), target);
selectedGroup.setBody(newRootGroup);
}
public UndoEntry merge(final UndoEntry newEntry)
{
return null;
}
}
public void setVisible(final boolean visible)
{
final boolean oldValue = this.visible;
if (oldValue != visible)
{
this.visible = visible;
firePropertyChange("visible", oldValue, visible);//NON-NLS
}
}
public boolean isVisible()
{
return visible;
}
public void settingsChanged()
{
setVisible(WorkspaceSettings.getInstance().isExperimentalFeaturesVisible());
}
}