Change selectedItem on DropdownTableComboBox project

adarmawan117 commented 2 years ago

How can dinamically selectedItem or selectedIndex in DropdownTableComboBox project from outside class.? Thank you in advance

adarmawan117 commented 2 years ago

I change your code like in the bottom

adarmawan117 commented 2 years ago

package method.combobox;

import java.awt.; import java.awt.event.ItemEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.util.ArrayList; import java.util.List; import java.util.Objects; import javax.swing.; import javax.swing.plaf.basic.BasicComboPopup; import javax.swing.plaf.basic.ComboPopup; import javax.swing.plaf.metal.MetalComboBoxUI; import javax.swing.table.DefaultTableModel; import javax.swing.table.TableCellRenderer; import method.MyColor;

public class MyComboBoxTable extends JPanel {

private static String [] listData;

public String[] getListData() {
    return listData;
}

public void setSelectedIndex(int idx) {
    combo.setSelectedIndex(idx);
}

public void setSelectedItem(String id, int idxItem) {
    int idx = 0;
    for(List<Object> list : aseries) {

        if(list.get(idxItem).equals(id)) {
            setSelectedIndex(idx);
            return;
        }
        idx++;
    }

    setSelectedIndex(0);
}

int[] listCellWidth;
private DropdownTableComboBox<List<Object>> combo;
private List<List<Object>> aseries;

private void init(String[] columns, List<List<Object>> aseries) {

    DefaultTableModel model = new DefaultTableModel(null, columns) {
        @Override
        public boolean isCellEditable(int row, int column) {
            return false;
        }
    };

    this.aseries = aseries;

    int banyakData = columns.length;
    String[] temp1 = new String[banyakData];

    int idx = 0;
    for(Object data : aseries.get(0)) {
        temp1[idx++] = data.toString();
    }
    listData = temp1;

    combo = new DropdownTableComboBox<>(aseries, model);
    combo.addItemListener(e -> {
        if (e.getStateChange() == ItemEvent.SELECTED) {
            List<Object> rowData = combo.getSelectedRow();

            String[] temp = new String[banyakData];
            for(int i = 0; i < banyakData; i++) {
                temp[i] = Objects.toString(rowData.get(i));
            }
            listData = temp;

        }
    });

    if(listCellWidth != null) {
        combo.setTableWidth(listCellWidth);
    }

    ListCellRenderer<? super List<Object>> renderer = combo.getRenderer();
    combo.setRenderer((list, value, index, isSelected, cellHasFocus) -> {
        JLabel c = (JLabel) renderer.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
        c.setOpaque(true);
        if (isSelected) {
            c.setBackground(list.getSelectionBackground());
            c.setForeground(list.getSelectionForeground());
        } else {
            c.setBackground(list.getBackground());
            c.setForeground(list.getForeground());
        }
        c.setText(Objects.toString(value.get(2), ""));
        return c;
    });

    EventQueue.invokeLater(() -> combo.setSelectedIndex(0));

    Box box = Box.createHorizontalBox();
    box.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
    box.add(combo);

    add(box, BorderLayout.NORTH);
    setPreferredSize(new Dimension(320, 240));
}

public MyComboBoxTable() {
    super(new BorderLayout());
}

public MyComboBoxTable(String[] columns, List<List<Object>> aseries, int[] listCellWidth) { 
    super(new BorderLayout());

    this.listCellWidth = listCellWidth;

    init(columns, aseries);
}

}

class DropdownTableComboBox<E extends List

aterai / java-swing-tips

Change selectedItem on DropdownTableComboBox project #15