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java.lang.Object | +--javax.swing.table.AbstractTableModel
This abstract class provides default implementations for most of
the methods in the TableModel
interface. It takes care of
the management of listeners and provides some conveniences for generating
TableModelEvents
and dispatching them to the listeners.
To create a concrete TableModel
as a sublcass of
AbstractTableModel
you need only provide implementations
for the following three methods:
public int getRowCount(); public int getColumnCount(); public Object getValueAt(int row, int column);
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. A future release of Swing will provide support for long term persistence.
Field Summary | |
protected EventListenerList |
listenerList
List of listeners |
Constructor Summary | |
AbstractTableModel()
|
Method Summary | |
void |
addTableModelListener(TableModelListener l)
Adds a listener to the list that's notified each time a change to the data model occurs. |
int |
findColumn(String columnName)
Returns a column given its name. |
void |
fireTableCellUpdated(int row,
int column)
Notifies all listeners that the value of the cell at [row, column] has been updated. |
void |
fireTableChanged(TableModelEvent e)
Forwards the given notification event to all TableModelListeners that registered
themselves as listeners for this table model. |
void |
fireTableDataChanged()
Notifies all listeners that all cell values in the table's rows may have changed. |
void |
fireTableRowsDeleted(int firstRow,
int lastRow)
Notifies all listeners that rows in the range [firstRow, lastRow] , inclusive, have been deleted. |
void |
fireTableRowsInserted(int firstRow,
int lastRow)
Notifies all listeners that rows in the range [firstRow, lastRow] , inclusive, have been inserted. |
void |
fireTableRowsUpdated(int firstRow,
int lastRow)
Notifies all listeners that rows in the range [firstRow, lastRow] , inclusive, have been updated. |
void |
fireTableStructureChanged()
Notifies all listeners that the table's structure has changed. |
Class |
getColumnClass(int columnIndex)
Returns Object.class regardless of columnIndex . |
String |
getColumnName(int column)
Returns a default name for the column using spreadsheet conventions: A, B, C, ... |
EventListener[] |
getListeners(Class listenerType)
Returns an array of all the listeners of the given type that were added to this model. |
boolean |
isCellEditable(int rowIndex,
int columnIndex)
Returns false. |
void |
removeTableModelListener(TableModelListener l)
Removes a listener from the list that's notified each time a change to the data model occurs. |
void |
setValueAt(Object aValue,
int rowIndex,
int columnIndex)
This empty implementation is provided so users don't have to implement this method if their data model is not editable. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface javax.swing.table.TableModel |
getColumnCount, getRowCount, getValueAt |
Field Detail |
protected EventListenerList listenerList
Constructor Detail |
public AbstractTableModel()
Method Detail |
public String getColumnName(int column)
column
cannot be found,
returns an empty string.getColumnName
in interface TableModel
column
- the column being queriedcolumn
public int findColumn(String columnName)
TableModel
interface and is not used by the
JTable
.columnName
- string containing name of column to be locatedcolumnName
, or -1 if not foundpublic Class getColumnClass(int columnIndex)
Object.class
regardless of columnIndex
.getColumnClass
in interface TableModel
columnIndex
- the column being queriedpublic boolean isCellEditable(int rowIndex, int columnIndex)
isCellEditable
in interface TableModel
rowIndex
- the row being queriedcolumnIndex
- the column being queriedpublic void setValueAt(Object aValue, int rowIndex, int columnIndex)
setValueAt
in interface TableModel
aValue
- value to assign to cellrowIndex
- row of cellcolumnIndex
- column of cellpublic void addTableModelListener(TableModelListener l)
addTableModelListener
in interface TableModel
l
- the TableModelListenerpublic void removeTableModelListener(TableModelListener l)
removeTableModelListener
in interface TableModel
l
- the TableModelListenerpublic void fireTableDataChanged()
JTable
should redraw the
table from scratch. The structure of the table (as in the order of the
columns) is assumed to be the same.TableModelEvent
,
EventListenerList
public void fireTableStructureChanged()
JTable
receives this event and its
autoCreateColumnsFromModel
flag is set it discards any table columns that it had and reallocates
default columns in the order they appear in the model. This is the
same as calling setModel(TableModel)
on the
JTable
.TableModelEvent
,
EventListenerList
public void fireTableRowsInserted(int firstRow, int lastRow)
[firstRow, lastRow]
, inclusive, have been inserted.firstRow
- the first rowlastRow
- the last rowTableModelEvent
,
EventListenerList
public void fireTableRowsUpdated(int firstRow, int lastRow)
[firstRow, lastRow]
, inclusive, have been updated.firstRow
- the first rowlastRow
- the last rowTableModelEvent
,
EventListenerList
public void fireTableRowsDeleted(int firstRow, int lastRow)
[firstRow, lastRow]
, inclusive, have been deleted.firstRow
- the first rowlastRow
- the last rowTableModelEvent
,
EventListenerList
public void fireTableCellUpdated(int row, int column)
[row, column]
has been updated.row
- row of cell which has been updatedcolumn
- column of cell which has been updatedTableModelEvent
,
EventListenerList
public void fireTableChanged(TableModelEvent e)
TableModelListeners
that registered
themselves as listeners for this table model.e
- the event to be forwardedaddTableModelListener(javax.swing.event.TableModelListener)
,
TableModelEvent
,
EventListenerList
public EventListener[] getListeners(Class listenerType)
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JavaTM 2 Platform Std. Ed. v1.3 |
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