[英]Not able to add JButton to a JTable using CustomTableModel
我正在使用擴展AbstractTableModel的CustomTableModel創建一個表。 我無法使用此自定義模型將JButton添加到列中。 如果我對模型執行新的JButton(“ One”),則看到的是文本“ javax.swing.JButton [,0 ....,defaultCapable = true]”而不是按鈕。 任何幫助表示贊賞。
public class CustomModelForTable extends AbstractTableModel {
/**
*
*/
private static final long serialVersionUID = 1L;
private String[] columnNames = {"First Name",
"Last Name",
"Sport",
"# of Years",
"Vegetarian",
"Button"};
private Object[][] data = {
{"Kathy", "Smith", "Snowboarding", new Integer(5), new Boolean(false), new JButton("One")},
{"John", "Doe", "Rowing", new Integer(3), new Boolean(true), new JButton("Two")},
{"Sue", "Black", "Knitting", new Integer(2), new Boolean(false), new JButton("three")},
{"Jane", "White", "Speed reading", new Integer(20), new Boolean(true), new JButton("Four")},
{"Joe", "Brown", "Pool", new Integer(10), new Boolean(false), new JButton("Five")}
};
// # of Rows;
public int getRowCount() {
return data.length;
}
// # of Columns;
public int getColumnCount() {
return columnNames.length;
}
public Object getValueAt(int rowIndex, int columnIndex) {
return data[rowIndex][columnIndex];
}
public Class getColumnClass(int column) {
return getValueAt(0, column).getClass();
}
public boolean isCellEditable(int rowIndex, int columnIndex) {
return true;
}
public void setValueAt(Object value, int rowIndex, int columnIndex) {
if(isCellEditable(rowIndex, columnIndex)) {
data[rowIndex][columnIndex] = value;
}
}
}
編輯:我能夠通過實現TableCellRenderer添加JButton。 謝謝大家
通過實現TableCellRenderer,我可以向表中添加按鈕。
class CustomModelForTable extends AbstractTableModel {
// Code
// After creating table using model.
TableCellRenderer defaultRenderer = tableA.getDefaultRenderer(JButton.class);
tableA.setDefaultRenderer(JButton.class, new JButtonRendererClass(defaultRenderer) );
// Code
}
class JButtonRendererClass implements TableCellRenderer {
private TableCellRenderer __defaultRenderer;
public JButtonRendererClass(TableCellRenderer myRenderer) {
__defaultRenderer = myRenderer;
}
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
if(value instanceof Component) {
return (Component) value;
}
return __defaultRenderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
}
}
認為這對某人可能有用。
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