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org.hsh.bfr.db/src/org/hsh/bfr/db/gui/dbtable/editoren/MyFilter.java

Summary

Maintainability
D
2 days
Test Coverage
/*******************************************************************************
 * Copyright (c) 2015 Federal Institute for Risk Assessment (BfR), Germany
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     Department Biological Safety - BfR
 *******************************************************************************/
package org.hsh.bfr.db.gui.dbtable.editoren;

import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.StringTokenizer;
import java.util.Vector;

import javax.swing.JTextField;
import javax.swing.table.TableModel;

import org.hsh.bfr.db.MyLogger;
import org.hsh.bfr.db.MyTable;
import org.hsh.bfr.db.gui.dbtable.MyDBTable;

import quick.dbtable.Filter;

/**
 * @author Armin
 *
 */
public class MyFilter implements Filter {
    
    private MyDBTable myDBTable1;
    private LinkedHashMap<Integer, Vector<String>> userIDs = null;
    private String findString = "";
    private JTextField textField1 = null;
    
    public MyFilter(MyDBTable myDBTable1, String findString, LinkedHashMap<Integer, Vector<String>> userIDs, JTextField textField1) {
        this.myDBTable1 = myDBTable1;
        this.findString = findString;
        this.userIDs = userIDs;
        this.textField1 = textField1;
    }
    
     public int[] filter(TableModel tm) {
         int[] result = null;
         Vector<Integer> rows2check = null;
         if (userIDs != null) {
             rows2check = new Vector<>();
               for (int row = 0; row < tm.getRowCount(); row++) {
                  Integer o = (Integer) tm.getValueAt(row, 1);
                  if (userIDs.containsKey(o)) {
                      rows2check.addElement(new Integer(row));
                  }
             }
         }
         Vector<Integer> vv = new Vector<>();
         try {
             if (findString.trim().length() == 0) {
                 result = getAllFilter(tm, rows2check);
             }
             else {
                 /*
                 StringTokenizer tok = new StringTokenizer(findString);
                 String[] findStrings = new String[tok.countTokens()];
                 for (int i=0;tok.hasMoreTokens();i++) {
                     findStrings[i] = tok.nextToken().toUpperCase();
                 }
*/
                 String theRealFindString = findString;
                 HashSet<Integer> cols2Search = new HashSet<>();
                 if (theRealFindString.startsWith("[COLS:")) { // [COLS:#,#,#], e.g. [COLS:2]case
                     int endIndex = theRealFindString.indexOf("]");
                     if (endIndex > 0) {
                         try {
                             String cols = theRealFindString.substring("[COLS:".length(), endIndex);
                             HashSet<Integer> localCols2Search = new HashSet<>();
                             StringTokenizer tok = new StringTokenizer(cols, ",");
                             while (tok.hasMoreTokens()) {
                                 int col = Integer.parseInt(tok.nextToken());
                                 localCols2Search.add(col);
                             }
                             theRealFindString = theRealFindString.substring(endIndex + 1);
                             cols2Search.addAll(localCols2Search);
                         }
                         catch (Exception e) {}
                     }
                 }
                 String[] findStrings = theRealFindString.split(" (?=([^\"]*\"[^\"]*\")*[^\"]*$)");
                 for (int i=0;i<findStrings.length;i++) {
                     if (!findStrings[i].trim().isEmpty()) {
                         //parts[i] = parts[i].replace("%", "\\%");
                         //parts[i] = parts[i].replace("_", "\\_");
                         if (findStrings[i].startsWith("\"") && findStrings[i].endsWith("\"")) findStrings[i] = findStrings[i].substring(1, findStrings[i].length() - 1);
                         findStrings[i] = findStrings[i].toUpperCase();
                     }
                 }

                 int numRows = tm.getRowCount();
                 MyTable[] foreignFields = myDBTable1.getActualTable().getForeignFields();
                 String[] mnTable = myDBTable1.getActualTable().getMNTable();
                 if (userIDs != null) {
                     for (Integer row : rows2check) {
                            loopInternal(vv, row.intValue(), mnTable, foreignFields, tm, findStrings, cols2Search);
                     }                 
                 }
                 else {
                     for (int row = 0; row < numRows; row++) {
                            loopInternal(vv, row, mnTable, foreignFields, tm, findStrings, cols2Search);
                     }
                 }
                 result = getAllFilter(tm, vv);
             }
         }
         catch (Exception e) {MyLogger.handleException(e); result = null;}
         if (textField1 != null && !textField1.hasFocus()) {
             textField1.requestFocus();
         }
         return result;
     }
     private boolean loopInternal(Vector<Integer> vv, int row, String[] mnTable, MyTable[] foreignFields, TableModel tm, String[] findStrings, HashSet<Integer> cols2Search) {
         String res = "";
         for (int col = 0; col < tm.getColumnCount(); col++) {
             if (cols2Search == null || cols2Search.size() == 0 || cols2Search.contains(col)) {
                 boolean isMN = (col > 0 && mnTable != null && mnTable.length > col-1 && mnTable[col-1] != null);
                     if (myDBTable1.getColumn(col).getType() != java.sql.Types.BOOLEAN && !isMN) {
                         Object o = tm.getValueAt(row, col+1);
                         if (o != null) { // sonst Fehler in z.B. Methoden bei der Suchfunktion
                                boolean lookIn = (col > 0 && foreignFields != null && foreignFields.length > col-1 && foreignFields[col-1] != null && myDBTable1.hashBox[col-1] != null);
                                if (lookIn && myDBTable1.hashBox[col-1].get(o) != null) res += "\n" + myDBTable1.hashBox[col-1].get(o).toString();
                                else res += "\n" + o.toString();
                                //System.err.println(row + "\t" + col + "\t" + o + "\t" + res);
                         }
                     }
             }
         }
        if (res != null && !res.isEmpty()) {
            int i;
              for (i=0;i<findStrings.length;i++) {
                  if (res.toUpperCase().indexOf(findStrings[i]) < 0) break;
              }
              if (i == findStrings.length) {
                  vv.addElement(new Integer(row));
                  return true;
              }
        }
        return false;
     }
     private int[] getAllFilter(TableModel tm, Vector<Integer> vv) {
         if (vv == null) {
             int numRows = tm.getRowCount();
             int arr[] = new int[numRows];
             for (int row = 0; row < numRows; row++) {
                 arr[row] = row;
             }             
             return arr;
         }
         else {
             int arr[] = new int[vv.size()];
             for(int i=0; i< vv.size(); i++) {
               arr[i] = (vv.elementAt(i)).intValue();
             }               
             return arr;             
         }
     }
}