/*!
* 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.editor.parameters;
import org.pentaho.reporting.engine.classic.core.ParameterMapping;
import org.pentaho.reporting.libraries.base.util.StringUtils;
import javax.swing.table.AbstractTableModel;
import java.util.ArrayList;
import java.util.Arrays;
public class ParameterMappingTableModel extends AbstractTableModel {
private ArrayList<ParameterMapping> backend;
public ParameterMappingTableModel() {
backend = new ArrayList<ParameterMapping>();
}
public ParameterMapping[] getMappings() {
final ArrayList<ParameterMapping> list = new ArrayList<ParameterMapping>( backend.size() );
for ( int i = 0; i < backend.size(); i++ ) {
final ParameterMapping mapping = backend.get( i );
final String sourceColumn = mapping.getName();
final String alias = mapping.getAlias();
if ( StringUtils.isEmpty( sourceColumn ) == false ) {
if ( StringUtils.isEmpty( alias ) ) {
list.add( new ParameterMapping( sourceColumn, sourceColumn ) );
} else {
list.add( new ParameterMapping( sourceColumn, alias ) );
}
}
}
return list.toArray( new ParameterMapping[ list.size() ] );
}
public void clear() {
backend.clear();
fireTableDataChanged();
}
public void addMapping( final ParameterMapping mappings ) {
backend.add( mappings );
fireTableDataChanged();
}
public void addMappings( final ParameterMapping[] mappings ) {
backend.addAll( Arrays.asList( mappings ) );
fireTableDataChanged();
}
public void setMappings( final ParameterMapping[] mappings ) {
backend.clear();
backend.addAll( Arrays.asList( mappings ) );
fireTableDataChanged();
}
public void addRow() {
backend.add( new ParameterMapping( "", "" ) );
fireTableDataChanged();
}
public void removeRow( final int row ) {
backend.remove( row );
fireTableRowsDeleted( row, row );
}
/**
* Returns a default name for the column using spreadsheet conventions: A, B, C, ... Z, AA, AB, etc. If
* <code>column</code> cannot be found, returns an empty string.
*
* @param columnIndex the column being queried
* @return a string containing the default name of <code>column</code>
*/
public String getColumnName( final int columnIndex ) {
switch( columnIndex ) {
case 0:
return Messages.getString( "ParameterMappingTableModel.OuterName" );
case 1:
return Messages.getString( "ParameterMappingTableModel.InnerName" );
default:
throw new IndexOutOfBoundsException();
}
}
/**
* Returns <code>Object.class</code> regardless of <code>columnIndex</code>.
*
* @param columnIndex the column being queried
* @return the Object.class
*/
public Class getColumnClass( final int columnIndex ) {
return String.class;
}
/**
* Returns false. This is the default implementation for all cells.
*
* @param rowIndex the row being queried
* @param columnIndex the column being queried
* @return false
*/
public boolean isCellEditable( final int rowIndex, final int columnIndex ) {
return true;
}
/**
* Returns the number of rows in the model. A <code>JTable</code> uses this method to determine how many rows it
* should display. This method should be quick, as it is called frequently during rendering.
*
* @return the number of rows in the model
* @see #getColumnCount
*/
public int getRowCount() {
return backend.size();
}
/**
* Returns the number of columns in the model. A <code>JTable</code> uses this method to determine how many columns it
* should create and display by default.
*
* @return the number of columns in the model
* @see #getRowCount
*/
public int getColumnCount() {
return 2;
}
/**
* Returns the value for the cell at <code>columnIndex</code> and <code>rowIndex</code>.
*
* @param rowIndex the row whose value is to be queried
* @param columnIndex the column whose value is to be queried
* @return the value Object at the specified cell
*/
public Object getValueAt( final int rowIndex, final int columnIndex ) {
final ParameterMapping mapping = backend.get( rowIndex );
switch( columnIndex ) {
case 0:
return mapping.getName();
case 1:
return mapping.getAlias();
default:
throw new IndexOutOfBoundsException();
}
}
/**
* This empty implementation is provided so users don't have to implement this method if their data model is not
* editable.
*
* @param aValue value to assign to cell
* @param rowIndex row of cell
* @param columnIndex column of cell
*/
public void setValueAt( final Object aValue, final int rowIndex, final int columnIndex ) {
final ParameterMapping mapping = backend.get( rowIndex );
switch( columnIndex ) {
case 0: {
final String name;
if ( aValue == null ) {
name = "";
} else {
name = (String) aValue;
}
final String alias = mapping.getAlias();
backend.set( rowIndex, new ParameterMapping( name, alias ) );
fireTableCellUpdated( rowIndex, columnIndex );
break;
}
case 1: {
final String name = mapping.getName();
final String alias;
if ( aValue == null ) {
alias = "";
} else {
alias = (String) aValue;
}
backend.set( rowIndex, new ParameterMapping( name, alias ) );
fireTableCellUpdated( rowIndex, columnIndex );
break;
}
default:
throw new IndexOutOfBoundsException();
}
}
}