ArrayListTablePanelpublic class ArrayListTablePanel extends JPanel | ArrayListTablePanel - Bean/GUI panel for ArrayListTableModel.
Subclass should call getTable() and set any
desired Renderers or Editors.
The class of things in the list must have a public, no-argument constructor.
TODO
- Debug MoveUp/MoveDown!
- add constructor options for Add, Remove, MoveUp/MoveDown buttons
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| Fields Summary |
|---|
| protected ArrayList | listThe list of objects we are viewing | | protected Class | objectClassThe kind of thing that is in the list. | | protected ArrayListTableModel | modelThe JTable's data (model) | | protected JTable | tableThe JTable itself |
| Constructors Summary |
|---|
public ArrayListTablePanel(Class objClass, ArrayList al, ArrayListTableModel lm)Construct new ArrayListTablePanel
objectClass = objClass;
list = al;
model = lm;
table = new JTable(model);
setLayout(new BorderLayout());
add(new JScrollPane(table), BorderLayout.CENTER);
JPanel botPanel = new JPanel();
JButton jb;
botPanel.add(jb = new JButton("Add"));
jb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
int i = table.getSelectedRow();
if (i<0) i = list.size();
Object newObj = null;
try {
newObj = objectClass.newInstance();
} catch (Exception ex) {
JOptionPane.showMessageDialog(null,
"Object creation FAILED\n " + ex, "Error",
JOptionPane.ERROR_MESSAGE);
return;
}
list.add(i, newObj);
table.tableChanged(new
TableModelEvent(model, i, i,
TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT));
}
});
botPanel.add(jb = new JButton("Move Up"));
jb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
int i = table.getSelectedRow();
if (i == -1 || i == 0)
return;
Object obj = list.get(i);
list.remove(i);
list.add(i-1, obj);
table.tableChanged(new
TableModelEvent(model, i-1, i-1,
TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT));
model.invalidateCache();
}
});
botPanel.add(jb = new JButton("Move Down"));
jb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
int i = table.getSelectedRow();
if (i == -1 || i == list.size()-1)
return;
Object obj = list.get(i);
list.remove(i);
list.add(i+1, obj);
table.tableChanged(new
TableModelEvent(model, i, i,
TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT));
// table.setSelectedRowInterval(i+1, i+1);
model.invalidateCache();
}
});
botPanel.add(jb = new JButton("Remove"));
jb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
int i = table.getSelectedRow();
if (i<0)
return; // nothing selected
list.remove(i);
table.tableChanged(new
TableModelEvent(model, i, i,
TableModelEvent.ALL_COLUMNS, TableModelEvent.DELETE));
model.invalidateCache();
}
});
add(botPanel, BorderLayout.SOUTH);
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| Methods Summary |
|---|
| public javax.swing.JTable | getTable()Return a reference to the JTable.
return table;
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