| // Copyright 2004 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry.contrib.table.model.simple; |
| |
| import java.io.Serializable; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.tapestry.contrib.table.model.ITableColumn; |
| import org.apache.tapestry.contrib.table.model.ITableColumnModel; |
| import org.apache.tapestry.contrib.table.model.common.ArrayIterator; |
| |
| /** |
| * A minimal implementation of the |
| * {@link org.apache.tapestry.contrib.table.model.ITableColumnModel} interface |
| * that stores columns as an array. |
| * |
| * @version $Id$ |
| * @author mindbridge |
| */ |
| public class SimpleTableColumnModel implements ITableColumnModel, Serializable |
| { |
| |
| private ITableColumn[] m_arrColumns; |
| private Map m_mapColumns; |
| |
| public SimpleTableColumnModel(ITableColumn[] arrColumns) |
| { |
| m_arrColumns = arrColumns; |
| |
| m_mapColumns = new HashMap(); |
| for (int i = 0; i < m_arrColumns.length; i++) |
| m_mapColumns.put(m_arrColumns[i].getColumnName(), m_arrColumns[i]); |
| } |
| |
| public SimpleTableColumnModel(List arrColumns) |
| { |
| this((ITableColumn[]) arrColumns.toArray(new ITableColumn[arrColumns.size()])); |
| } |
| |
| public int getColumnCount() |
| { |
| return m_arrColumns.length; |
| } |
| |
| public ITableColumn getColumn(int nColumn) |
| { |
| if (nColumn < 0 || nColumn >= m_arrColumns.length) |
| { |
| // error message |
| return null; |
| } |
| return m_arrColumns[nColumn]; |
| } |
| |
| public ITableColumn getColumn(String strColumn) |
| { |
| return (ITableColumn) m_mapColumns.get(strColumn); |
| } |
| |
| public Iterator getColumns() |
| { |
| return new ArrayIterator(m_arrColumns); |
| } |
| |
| } |