001 /* 002 Copyright (C) 2003 Laurent Martelli <laurent@aopsys.com> 003 004 This program is free software; you can redistribute it and/or modify 005 it under the terms of the GNU Lesser General Public License as 006 published by the Free Software Foundation; either version 2 of the 007 License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU Lesser General Public License for more details. 013 014 You should have received a copy of the GNU Lesser General Public License 015 along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ 017 018 package org.objectweb.jac.aspects.gui; 019 020 import java.util.Collection; 021 import org.objectweb.jac.core.rtti.CollectionItem; 022 import org.objectweb.jac.core.rtti.FieldItem; 023 024 public class FilterCriteria { 025 public FilterCriteria(int column, FieldItem field) { 026 this.column = column; 027 this.field = field; 028 } 029 030 /** 031 * Tells wether a row of table model matches the filter 032 * @param model the table model 033 * @param row row index in the table model 034 */ 035 public boolean match(ExtendedTableModel model, int row) { 036 Object modelValue = model.getObject(row,column); 037 if (field instanceof CollectionItem) { 038 return !active || 039 (modelValue!=null && ((Collection)modelValue).contains(value)); 040 } else { 041 return !active || 042 (value==null && modelValue==null) || 043 (value!=null && value.equals(modelValue)); 044 } 045 } 046 047 /** The column to filter */ 048 int column; 049 public int getColumn() { 050 return column; 051 } 052 053 FieldItem field; 054 public FieldItem getField() { 055 return field; 056 } 057 058 /** If false, the filer is inactive */ 059 boolean active = false; 060 public boolean isActive() { 061 return active; 062 } 063 public void setActive(boolean active) { 064 this.active = active; 065 } 066 067 Object value; 068 public void setValue(Object value) { 069 this.value = value; 070 } 071 public Object getValue() { 072 return value; 073 } 074 075 public String toString() { 076 return column+(active?("=="+value):"(off)"); 077 } 078 079 public boolean equals(Object o) { 080 if (!(o instanceof FilterCriteria)) 081 return false; 082 FilterCriteria criteria = (FilterCriteria)o; 083 return criteria.column==column && criteria.active==active; 084 } 085 086 public int hashCode() { 087 return column ^ (active ? 0 : 2^31); 088 } 089 }