001// Copyright 2004, 2005 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry.contrib.table.model.simple; 016 017import java.io.Serializable; 018import java.util.Collection; 019import java.util.Iterator; 020import java.util.Set; 021 022import org.apache.tapestry.contrib.table.model.CTableDataModelEvent; 023import org.apache.tapestry.contrib.table.model.common.AbstractTableDataModel; 024 025/** 026 * A minimal set implementation of the 027 * {@link org.apache.tapestry.contrib.table.model.ITableDataModel} interface 028 * 029 * @author mindbridge 030 */ 031public class SimpleSetTableDataModel extends AbstractTableDataModel implements Serializable 032{ 033 private static final long serialVersionUID = 1L; 034 035 private Set m_setRows; 036 037 public SimpleSetTableDataModel(Set setRows) 038 { 039 m_setRows = setRows; 040 } 041 042 /** 043 * @see org.apache.tapestry.contrib.table.model.ITableDataModel#getRowCount() 044 */ 045 public int getRowCount() 046 { 047 return m_setRows.size(); 048 } 049 050 /** 051 * @see org.apache.tapestry.contrib.table.model.ITableDataModel#getRows() 052 */ 053 public Iterator getRows() 054 { 055 return m_setRows.iterator(); 056 } 057 058 /** 059 * Method addRow. 060 * Adds a row object to the model at its end 061 * @param objRow the row object to add 062 */ 063 public void addRow(Object objRow) 064 { 065 if (m_setRows.contains(objRow)) return; 066 m_setRows.add(objRow); 067 068 CTableDataModelEvent objEvent = new CTableDataModelEvent(); 069 fireTableDataModelEvent(objEvent); 070 } 071 072 public void addRows(Collection arrRows) 073 { 074 m_setRows.addAll(arrRows); 075 076 CTableDataModelEvent objEvent = new CTableDataModelEvent(); 077 fireTableDataModelEvent(objEvent); 078 } 079 080 /** 081 * Method removeRow. 082 * Removes a row object from the model 083 * @param objRow the row object to remove 084 */ 085 public void removeRow(Object objRow) 086 { 087 if (!m_setRows.contains(objRow)) return; 088 m_setRows.remove(objRow); 089 090 CTableDataModelEvent objEvent = new CTableDataModelEvent(); 091 fireTableDataModelEvent(objEvent); 092 } 093 094 public void removeRows(Collection arrRows) 095 { 096 m_setRows.removeAll(arrRows); 097 098 CTableDataModelEvent objEvent = new CTableDataModelEvent(); 099 fireTableDataModelEvent(objEvent); 100 } 101 102}