/*
* 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.report;
import java.awt.Cursor;
import java.awt.Window;
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.editor.structuretree.ReportQueryNode;
import org.pentaho.reporting.designer.core.model.selection.ReportSelectionModel;
import org.pentaho.reporting.designer.core.util.ReportDesignerDesignTimeContext;
import org.pentaho.reporting.designer.core.util.exceptions.UncaughtExceptionsModel;
import org.pentaho.reporting.designer.core.util.undo.DataSourceEditUndoEntry;
import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.core.CompoundDataFactory;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.ReportDataFactoryException;
import org.pentaho.reporting.engine.classic.core.designtime.DataSourcePlugin;
import org.pentaho.reporting.engine.classic.core.metadata.DataFactoryMetaData;
import org.pentaho.reporting.engine.classic.core.metadata.DataFactoryRegistry;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class EditQueryAction extends AbstractElementSelectionAction
{
public EditQueryAction()
{
putValue(Action.NAME, ActionMessages.getString("EditQueryAction.Text"));
putValue(Action.DEFAULT, ActionMessages.getString("EditQueryAction.Description"));
putValue(Action.MNEMONIC_KEY, ActionMessages.getOptionalMnemonic("EditQueryAction.Mnemonic"));
putValue(Action.ACCELERATOR_KEY, ActionMessages.getOptionalKeyStroke("EditQueryAction.Accelerator"));
}
protected void updateSelection()
{
final ReportSelectionModel selectionModel1 = getSelectionModel();
if (selectionModel1 == null)
{
setEnabled(false);
return;
}
final Object[] selectedObjects = selectionModel1.getSelectedElements();
for (int i = 0; i < selectedObjects.length; i++)
{
final Object selectedObject = selectedObjects[i];
if (selectedObject instanceof ReportQueryNode == false)
{
continue;
}
final ReportQueryNode queryNode = (ReportQueryNode) selectedObject;
final DataFactory dataFactory = queryNode.getDataFactory();
if (DataFactoryRegistry.getInstance().isRegistered(dataFactory.getClass().getName()) == false)
{
setEnabled(false);
return;
}
final DataFactoryMetaData metadata =
DataFactoryRegistry.getInstance().getMetaData(dataFactory.getClass().getName());
if (metadata.isEditable())
{
setEnabled(true);
return;
}
}
setEnabled(false);
}
/**
* Invoked when an action occurs.
*/
public void actionPerformed(final ActionEvent e)
{
final ReportRenderContext activeContext = getActiveContext();
if (activeContext == null)
{
return;
}
final Object[] selectedElements = getSelectionModel().getSelectedElements();
for (int i = 0; i < selectedElements.length; i++)
{
final Object element = selectedElements[i];
if (element instanceof ReportQueryNode)
{
final ReportQueryNode queryNode = (ReportQueryNode) element;
try
{
performEdit(queryNode.getDataFactory(), queryNode.getQueryName());
}
catch (ReportDataFactoryException e1)
{
UncaughtExceptionsModel.getInstance().addException(e1);
}
break;
}
}
}
public void performEdit(final DataFactory dataFactory, final String queryName) throws ReportDataFactoryException
{
if (DataFactoryRegistry.getInstance().isRegistered(dataFactory.getClass().getName()) == false)
{
return;
}
final DataFactoryMetaData metadata =
DataFactoryRegistry.getInstance().getMetaData(dataFactory.getClass().getName());
if (metadata.isEditable() == false)
{
return;
}
final DataSourcePlugin dataSourcePlugin = metadata.createEditor();
final DataFactory storedFactory = dataFactory.derive();
if (dataSourcePlugin.canHandle(dataFactory))
{
final ReportRenderContext activeContext = getActiveContext();
final AbstractReportDefinition report = activeContext.getReportDefinition();
final boolean editingActiveQuery = contains(report.getQuery(), dataFactory.getQueryNames());
final ReportDesignerDesignTimeContext designTimeContext = new ReportDesignerDesignTimeContext(getReportDesignerContext());
final DataFactory editedDataFactory = dataSourcePlugin.performEdit(designTimeContext, dataFactory, queryName);
if (editedDataFactory == null)
{
return;
}
final Window parentWindow = designTimeContext.getParentWindow();
parentWindow.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
final CompoundDataFactory collection = (CompoundDataFactory) report.getDataFactory();
final int dataFactoryCount = collection.size();
for (int j = 0; j < dataFactoryCount; j++)
{
final DataFactory originalDataFactory = collection.getReference(j);
if (originalDataFactory == dataFactory)
{
try
{
collection.remove(j);
final DataFactory editedClone = editedDataFactory.derive();
collection.add(j, editedDataFactory);
activeContext.getUndo().addChange(ActionMessages.getString("EditQueryAction.Text"),
new DataSourceEditUndoEntry(j, storedFactory, editedClone));
report.notifyNodeChildRemoved(originalDataFactory);
report.notifyNodeChildAdded(editedDataFactory);
}
catch (ReportDataFactoryException e)
{
UncaughtExceptionsModel.getInstance().addException(e);
}
parentWindow.setCursor(Cursor.getDefaultCursor());
if (editingActiveQuery == false)
{
// if we are editing a query that is not the one the current report uses, do not mess around with it.
return;
}
final String[] editedQueries = editedDataFactory.getQueryNames();
if (contains(report.getQuery(), editedQueries) == false)
{
report.setQuery(null);
}
return;
}
}
throw new IllegalStateException();
}
}
private static boolean contains(final String key, final String[] haystack)
{
for (int i = 0; i < haystack.length; i++)
{
if (ObjectUtilities.equal(haystack[i], key))
{
return true;
}
}
return false;
}
}