returns selected rows in JTable - Java Swing

Java examples for Swing:JTable Row

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Description

returns selected rows in JTable

Demo Code


//package com.java2s;
import javax.swing.JTable;
import javax.swing.table.TableModel;

public class Main {
    /**/*from  w  w  w  .  ja v  a  2s  . c o  m*/
     * returns selected rows in table
     * @return
     */
    public static int[] getSelectedRows(JTable tbl, boolean translateToModel) {
        if (tbl == null) {
            throw new NullPointerException("Table is null");
        }

        // determine selected test numbers from table
        int[] sel = tbl.getSelectedRows();
        if (sel == null || sel.length == 0)
            return null;

        // if we want only view rows selected, return now
        // otherwise translate to row selection
        if (translateToModel == false)
            return sel;

        // get data from selected table
        TableModel tmod = tbl.getModel();
        if (!(tmod instanceof TableModel)) {
            throw new IllegalStateException("No table model");
        }

        int[] result = new int[sel.length];
        for (int i = 0, cn = sel.length; i < cn; i++) {
            // selected rowID need to be converted to model row id since after
            // sorting rows does not match
            result[i] = tbl.convertRowIndexToModel(sel[i]);
        }

        return result;
    }
}

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