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package mdlaf.components.table;

import javax.swing.*;
import javax.swing.table.TableCellRenderer;
import java.awt.*;

/**
 * @author https://github.com/vincenzopalazzo
 */
class MaterialTableCellRendererCheckBox extends JCheckBox implements TableCellRenderer {

    protected Icon unchecked = UIManager.getIcon("Table[CheckBox].unchecked");
    protected Icon checked = UIManager.getIcon("Table[CheckBox].checked");
    protected Icon uncheckedSelectionRow = UIManager.getIcon("Table[CheckBox].selectionUnchecked");
    protected Icon checkedSelectionRow = UIManager.getIcon("Table[CheckBox].selectionChecked");

    public MaterialTableCellRendererCheckBox() {
        setLayout(new GridBagLayout());
        setMargin(new Insets(0, 0, 0, 0));
        setHorizontalAlignment(JLabel.CENTER);
        setIcon(unchecked);
        setSelectedIcon(checked);
    }

    @Override
    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
        if (value instanceof Boolean) {
            setSelected((Boolean) value);
        }
        boolean alternativeRow = UIManager.getBoolean("Table.alternateRowColor");
        Color alternativeRowColor = UIManager.getColor("Table.alternateRowBackground");
        Color normalColor = UIManager.getColor("Table.background");
        if(alternativeRow){
            if(!isSelected){
                setIcon(unchecked);
                setSelectedIcon(checked);
                if(row%2 == 1) {
                    this.setBackground(alternativeRowColor);
                }else{
                    this.setBackground(normalColor);
                }
                this.setForeground(table.getForeground());
            }else{
                setIcon(uncheckedSelectionRow);
                setSelectedIcon(checkedSelectionRow);
                this.setForeground(table.getSelectionForeground());
                this.setBackground(table.getSelectionBackground());
            }
        }
        return this;
    }
}