/*
* 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.editor.attributes;
import java.awt.BorderLayout;
import javax.swing.JScrollPane;
import javax.swing.table.TableCellEditor;
import org.pentaho.reporting.designer.core.ReportDesignerContext;
import org.pentaho.reporting.designer.core.editor.ReportRenderContext;
import org.pentaho.reporting.designer.core.model.selection.ReportSelectionModel;
import org.pentaho.reporting.designer.core.util.SidePanel;
import org.pentaho.reporting.designer.core.util.table.ElementMetaDataTable;
import org.pentaho.reporting.designer.core.util.table.GroupedMetaTableModel;
import org.pentaho.reporting.designer.core.util.table.GroupedNameCellRenderer;
import org.pentaho.reporting.designer.core.util.table.SortHeaderPanel;
import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.event.ReportModelEvent;
import org.pentaho.reporting.engine.classic.core.event.ReportModelListener;
/**
* Todo: Document me!
*
* @author Thomas Morgner
*/
public class VisualAttributeEditorPanel extends SidePanel
{
protected static final Element[] EMPTY_DATA = new Element[0];
private class ReportModelChangeHandler implements ReportModelListener
{
private ReportModelChangeHandler()
{
}
public void nodeChanged(final ReportModelEvent event)
{
if (event.getElement() instanceof Element == false)
{
return;
}
// we dont have to deal with delete or add events, as this is handled by the selection model.
// once the selection changed, we will get informed through other channels.
final Object element = event.getElement();
final Element[] data = getData();
for (int i = 0; i < data.length; i++)
{
final Element reportElement = data[i];
if (element == reportElement)
{
// refresh, dont call stopCellEditing ..
dataModel.setData(data);
return;
}
}
}
}
private VisualAttributeTableModel dataModel;
private AbstractReportDefinition report;
private ReportModelChangeHandler changeHandler;
private ElementMetaDataTable table;
private SortHeaderPanel headerPanel;
public VisualAttributeEditorPanel()
{
setLayout(new BorderLayout());
dataModel = new VisualAttributeTableModel();
changeHandler = new ReportModelChangeHandler();
table = new ElementMetaDataTable();
table.setModel(new GroupedMetaTableModel(dataModel));
table.getColumnModel().getColumn(0).setCellRenderer(new GroupedNameCellRenderer());
headerPanel = new SortHeaderPanel(dataModel);
add(headerPanel, BorderLayout.NORTH);
add(new JScrollPane(table), BorderLayout.CENTER);
}
public Element[] getData()
{
return dataModel.getData();
}
public void setData(final Element[] elements)
{
final TableCellEditor tableCellEditor = table.getCellEditor();
if (tableCellEditor != null)
{
tableCellEditor.stopCellEditing();
}
dataModel.setData(elements);
}
public void setEnabled(final boolean enabled)
{
super.setEnabled(enabled);
table.setEnabled(enabled);
headerPanel.setEnabled(enabled);
}
protected void updateSelection(final ReportSelectionModel model)
{
final Element[] selectedElements = model.getSelectedVisualElements();
setData(selectedElements);
}
protected void updateActiveContext(final ReportRenderContext oldContext, final ReportRenderContext newContext)
{
super.updateActiveContext(oldContext, newContext);
if (report != null)
{
report.removeReportModelListener(changeHandler);
}
if (newContext == null)
{
report = null;
dataModel.setReportRenderContext(null);
setData(EMPTY_DATA);
}
else
{
report = newContext.getReportDefinition();
report.addReportModelListener(changeHandler);
dataModel.setReportRenderContext(newContext);
}
}
protected void updateDesignerContext(final ReportDesignerContext oldContext, final ReportDesignerContext newContext)
{
super.updateDesignerContext(oldContext, newContext);
table.setReportDesignerContext(newContext);
}
}