QoraRowSorter.java

package gui;

import gui.models.QoraTableModel;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.swing.RowSorter;
import javax.swing.SortOrder;
import javax.swing.table.TableModel;


public class QoraRowSorter extends RowSorter<TableModel> {

		private List<SortKey> keys;	
		private QoraTableModel<?, ?> model;
    	private Map<Integer, Integer> indexes;
 
        public QoraRowSorter(QoraTableModel<?, ?> model, Map<Integer, Integer> indexes)
        {
        	this.keys = new ArrayList<SortKey>();
        	this.model = model;
        	this.indexes = indexes;
        }

        @Override
        public TableModel getModel() {
            return this.model;
        }

        @Override
        public void toggleSortOrder(int column) {
        	
        	if(this.indexes.containsKey(column))
        	{  	
        		SortOrder order = SortOrder.ASCENDING;
        		if(this.keys.size() > 0 && this.keys.get(0).getColumn() == column && this.keys.get(0).getSortOrder().equals(SortOrder.ASCENDING))
        		{
        			order = SortOrder.DESCENDING;
        		}
        		
        		this.keys.clear();
        		this.keys.add(new SortKey(column, order));
        		this.model.getSortableList().sort(this.indexes.get(column), order.equals(SortOrder.DESCENDING));
        	}
        }

        @Override
        public int convertRowIndexToModel(int index) {
            return index;
        }

        @Override
        public int convertRowIndexToView(int index) {
            return index;
        }

        @SuppressWarnings("unchecked")
		@Override
        public void setSortKeys(List<? extends SortKey> keys) {
            this.keys = (List<SortKey>) keys;
        }

        @Override
        public List<? extends SortKey> getSortKeys() {
            return keys;
        }

        @Override
        public int getViewRowCount() {
            return getModelRowCount();
        }

        @Override
        public int getModelRowCount() {
            return this.model.getRowCount();
        }

        @Override
        public void modelStructureChanged() {
        }

        @Override
        public void allRowsChanged() {
        }

        @Override
        public void rowsInserted(int firstRow, int endRow) {
        }

        @Override
        public void rowsDeleted(int firstRow, int endRow) {
        }

        @Override
        public void rowsUpdated(int firstRow, int endRow) {
        }

        @Override
        public void rowsUpdated(int firstRow, int endRow, int column) {
        }
    }