下面列出了javax.swing.table.TableColumn#getHeaderValue ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private int getColumnHeaderWidth(int column) {
if (!isColumnHeaderIncluded) {
return 0;
}
TableColumn tableColumn = table.getColumnModel().getColumn(column);
Object value = tableColumn.getHeaderValue();
TableCellRenderer renderer = tableColumn.getHeaderRenderer();
if (renderer == null) {
renderer = table.getTableHeader().getDefaultRenderer();
}
Component c = renderer.getTableCellRendererComponent(table, value, false, false, -1, column);
return c.getPreferredSize().width;
}
@Override public void mouseClicked(MouseEvent e) {
JTableHeader header = (JTableHeader) e.getComponent();
JTable tbl = header.getTable();
TableColumnModel columnModel = tbl.getColumnModel();
TableModel m = tbl.getModel();
int vci = columnModel.getColumnIndexAtX(e.getX());
int mci = tbl.convertColumnIndexToModel(vci);
if (mci == targetColumnIndex && m.getRowCount() > 0) {
TableColumn column = columnModel.getColumn(vci);
boolean b = column.getHeaderValue() == Status.DESELECTED;
for (int i = 0; i < m.getRowCount(); i++) {
m.setValueAt(b, i, mci);
}
column.setHeaderValue(b ? Status.SELECTED : Status.DESELECTED);
// header.repaint();
}
}
@Override public void tableChanged(TableModelEvent e) {
int vci = table.convertColumnIndexToView(targetColumnIndex);
TableColumn column = table.getColumnModel().getColumn(vci);
Object status = column.getHeaderValue();
TableModel m = table.getModel();
boolean repaint = false;
if (e.getType() == TableModelEvent.DELETE) {
// System.out.println("DELETE");
// System.out.println(status + ": " + Status.INDETERMINATE.equals(status));
repaint = fireDeleteEvent(m, column, status);
} else if (e.getType() == TableModelEvent.INSERT && status != Status.INDETERMINATE) {
// System.out.println("INSERT");
repaint = fireInsertEvent(m, column, status, e);
} else if (e.getType() == TableModelEvent.UPDATE && e.getColumn() == targetColumnIndex) {
// System.out.println("UPDATE");
repaint = fireUpdateEvent(m, column, status);
}
if (repaint) {
JTableHeader h = table.getTableHeader();
h.repaint(h.getHeaderRect(vci));
}
}
@Override public void mouseClicked(MouseEvent e) {
JTableHeader header = (JTableHeader) e.getComponent();
JTable tbl = header.getTable();
TableColumnModel columnModel = tbl.getColumnModel();
TableModel m = tbl.getModel();
int vci = columnModel.getColumnIndexAtX(e.getX());
int mci = tbl.convertColumnIndexToModel(vci);
if (mci == targetColumnIndex && m.getRowCount() > 0) {
TableColumn column = columnModel.getColumn(vci);
boolean b = column.getHeaderValue() == Status.DESELECTED;
for (int i = 0; i < m.getRowCount(); i++) {
m.setValueAt(b, i, mci);
}
column.setHeaderValue(b ? Status.SELECTED : Status.DESELECTED);
// header.repaint();
}
}
@Override public void mouseClicked(MouseEvent e) {
JTableHeader header = (JTableHeader) e.getComponent();
JTable tbl = header.getTable();
TableColumnModel columnModel = tbl.getColumnModel();
TableModel m = tbl.getModel();
int vci = columnModel.getColumnIndexAtX(e.getX());
int mci = tbl.convertColumnIndexToModel(vci);
if (mci == targetColumnIndex && m.getRowCount() > 0) {
TableColumn column = columnModel.getColumn(vci);
boolean b = column.getHeaderValue() == Status.DESELECTED;
for (int i = 0; i < m.getRowCount(); i++) {
m.setValueAt(b, i, mci);
}
column.setHeaderValue(b ? Status.SELECTED : Status.DESELECTED);
// header.repaint();
}
}
private int getColumnHeaderWidth(int column)
{
if (! isColumnHeaderIncluded) return 0;
TableColumn tableColumn = table.getColumnModel().getColumn(column);
Object value = tableColumn.getHeaderValue();
TableCellRenderer renderer = tableColumn.getHeaderRenderer();
if (renderer == null)
{
renderer = table.getTableHeader().getDefaultRenderer();
}
Component c = renderer.getTableCellRendererComponent(table, value, false, false, -1, column);
return c.getPreferredSize().width;
}
@Override
public void updatePurchases(List<Purchase> purchases) {
tableModel = null;
tableModel = new BeanTableModel<>(Purchase.class, Business.class,
purchases);
for (int i = 0; i < table.getColumnCount(); i++) {
tableModel.setColumnEditable(i, false);
}
tableModel.setModelEditable(false);
table.setModel(tableModel);
JTableHeader tableHeader = table.getTableHeader();
Enumeration<TableColumn> columns = tableHeader.getColumnModel()
.getColumns();
while (columns.hasMoreElements()) {
final TableColumn column = columns.nextElement();
String columnName = (String) column.getHeaderValue();
if (columnName.equalsIgnoreCase("Business Desc")) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
table.removeColumn(column);
}
});
}
}
}
public void addColumn(TableColumn aColumn) {
int modelColumn = aColumn.getModelIndex();
if(aColumn.getHeaderValue()==null) {
String columnName = getModel().getColumnName(modelColumn);
aColumn.setHeaderValue(columnName);
}
// workaround to prevent adding multiple columns with same model index
for (int i = 0; i < getColumnModel().getColumnCount(); i++) {
int index = getColumnModel().getColumn(i).getModelIndex();
if (index==modelColumn) return;
}
getColumnModel().addColumn(aColumn);
}
@Override
public void updateStock(List<Stock> stocks) {
List<Stock> warehouseStock = new LinkedList<>();
for (Stock stock : stocks) {
if (stock.getWarehouse().compareTo(getEntity()) == 0) {
warehouseStock.add(stock);
}
}
tableModel = null;
tableModel = new BeanTableModel<>(Stock.class, warehouseStock);
for (int i = 0; i < table.getColumnCount(); i++) {
tableModel.setColumnEditable(i, false);
}
tableModel.setModelEditable(false);
table.setModel(tableModel);
JTableHeader tableHeader = table.getTableHeader();
Enumeration<TableColumn> columns = tableHeader.getColumnModel()
.getColumns();
while (columns.hasMoreElements()) {
final TableColumn column = columns.nextElement();
String columnName = (String) column.getHeaderValue();
if (columnName.equalsIgnoreCase("Stock Id")
|| columnName.equalsIgnoreCase("Warehouse")) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
table.removeColumn(column);
}
});
}
}
}
@Override
public void tableChanged(TableModelEvent e) {
if (e.getType() == TableModelEvent.UPDATE && e.getColumn() == 0) {
int mci = 0;
int vci = table.convertColumnIndexToView(mci);
TableColumn column = table.getColumnModel().getColumn(vci);
Object title = column.getHeaderValue();
if (!Status.INDETERMINATE.equals(title)) {
column.setHeaderValue(Status.INDETERMINATE);
} else {
int selected = 0, deselected = 0;
TableModel m = table.getModel();
for (int i = 0; i < m.getRowCount(); i++) {
if (Boolean.TRUE.equals(m.getValueAt(i, mci))) {
selected++;
} else {
deselected++;
}
}
if (selected == 0) {
column.setHeaderValue(Status.DESELECTED);
} else if (deselected == 0) {
column.setHeaderValue(Status.SELECTED);
} else {
return;
}
}
table.getTableHeader().repaint();
}
}
/**
* Overridden to return header cell value as tool tip if it's truncated (due to not fitting into its cell's area).
*/
@Override
public String getToolTipText( final MouseEvent event ) {
// First check if super implementation returns a tool tip:
// (super implementation checks if a tool tip is set on the renderer for the cell,
// and if no, also checks if a tool tip has been set on the table itself)
final String tip = super.getToolTipText( event );
if ( tip != null )
return tip;
// No tool tip from the renderer, and no own tool tip has been set.
// So let's check if value doesn't fit into the cell, and if so provide it's full text as the tool tip
final Point point = event.getPoint();
final int column = columnAtPoint( point );
// Check if value is truncated (doesn't fit into the cell):
if ( column < 0 ) // event is not on a cell
return null;
// Check if value is truncated (doesn't fit into the cell):
final TableColumn tableColumn = getColumnModel().getColumn( column );
TableCellRenderer renderer = tableColumn.getHeaderRenderer();
if ( renderer == null )
renderer = getDefaultRenderer();
final Object value = tableColumn.getHeaderValue();
if ( value == null )
return null;
if ( getHeaderRect( column ).width >= renderer.getTableCellRendererComponent( getTable(), value, false, false, 0, column ).getPreferredSize().width )
return null; // Value fits in the cell, no need to show tool tip
// At this point no one provided tool tip, and value is rendered truncated. Provide its full text as the tool tip.
return value.toString();
}
private void showPopup(int index)
{
Object headerValue = tcm.getColumn( index ).getHeaderValue();
int columnCount = tcm.getColumnCount();
JPopupMenu popup = new SelectPopupMenu();
// Create a menu item for all columns managed by the table column
// manager, checking to see if the column is shown or hidden.
for (TableColumn tableColumn : allColumns)
{
Object value = tableColumn.getHeaderValue();
JCheckBoxMenuItem item = new JCheckBoxMenuItem( value.toString() );
item.addActionListener( this );
try
{
tcm.getColumnIndex( value );
item.setSelected( true );
if (columnCount == 1)
item.setEnabled( false );
}
catch(IllegalArgumentException e)
{
item.setSelected( false );
}
popup.add( item );
if (value == headerValue)
popup.setSelected( item );
}
// Display the popup below the TableHeader
JTableHeader header = table.getTableHeader();
Rectangle r = header.getHeaderRect( index );
popup.show(header, r.x, r.height);
}
@Override
public void updateStockActivities(List<StockKeeper> stockActivities) {
tableModel = null;
tableModel = new BeanTableModel<>(StockKeeper.class, stockActivities);
for (int i = 0; i < table.getColumnCount(); i++) {
tableModel.setColumnEditable(i, false);
}
tableModel.setModelEditable(false);
table.setModel(tableModel);
JTableHeader tableHeader = table.getTableHeader();
Enumeration<TableColumn> columns = tableHeader.getColumnModel()
.getColumns();
while (columns.hasMoreElements()) {
final TableColumn column = columns.nextElement();
String columnName = (String) column.getHeaderValue();
if (columnName.equalsIgnoreCase("Stock Keeper Id")
|| columnName.equalsIgnoreCase("Stock")
|| columnName.equalsIgnoreCase("Transfer Stock Keeper")) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
table.removeColumn(column);
}
});
}
}
}
public void copyValues(TableColumn base) {
modelIndex = base.getModelIndex();
identifier = base.getIdentifier();
width = base.getWidth();
minWidth = base.getMinWidth();
setPreferredWidth(base.getPreferredWidth());
maxWidth = base.getMaxWidth();
headerRenderer = base.getHeaderRenderer();
headerValue = base.getHeaderValue();
cellRenderer = base.getCellRenderer();
cellEditor = base.getCellEditor();
isResizable = base.getResizable();
}
/**
* Adapte les largeurs des colonnes selon les données de cette table. <br/>
* Pour chaque colonne la taille préférée est déterminée selon la valeur (et le renderer) du header et selon la valeur (et le renderer) de chaque cellule.
*/
public void adjustColumnWidths() {
if (ADJUST_COLUMN_WIDTHS_MAX_ROWS > 0) {
TableColumn tableColumn;
TableCellRenderer renderer;
Object value;
Component component;
final int columnCount = getColumnCount();
final int rowCount = Math.min(getRowCount(), ADJUST_COLUMN_WIDTHS_MAX_ROWS);
int columnWidth;
final int maxWidth = 250; // taille ajustée maximum (15 minimum par défaut)
// Boucle sur chaque colonne et chaque ligne.
// Trouve le max de la largeur du header et de chaque cellule
// et fixe la largeur de la colonne en fonction.
for (int colNum = 0; colNum < columnCount; colNum++) {
tableColumn = columnModel.getColumn(colNum);
if (tableColumn.getMaxWidth() <= 0) {
continue; // colonne invisible
}
renderer = getTableHeader().getDefaultRenderer();
value = tableColumn.getHeaderValue();
component = renderer.getTableCellRendererComponent(this, value, false, false, -1,
colNum);
columnWidth = component.getPreferredSize().width + 10;
renderer = getCellRenderer(-1, colNum);
for (int rowNum = 0; rowNum < rowCount; rowNum++) {
value = getValueAt(rowNum, colNum);
component = renderer.getTableCellRendererComponent(this, value, false, false,
rowNum, colNum);
columnWidth = Math.max(columnWidth, component.getPreferredSize().width);
}
columnWidth = Math.min(maxWidth, columnWidth);
tableColumn.setPreferredWidth(columnWidth + getIntercellSpacing().width);
}
}
}
@Override public void tableChanged(TableModelEvent e) {
if (e.getType() == TableModelEvent.UPDATE && e.getColumn() == targetColumnIndex) {
int vci = table.convertColumnIndexToView(targetColumnIndex);
TableColumn column = table.getColumnModel().getColumn(vci);
Object status = column.getHeaderValue();
TableModel m = table.getModel();
if (m instanceof DefaultTableModel && fireUpdateEvent((DefaultTableModel) m, column, status)) {
JTableHeader h = table.getTableHeader();
h.repaint(h.getHeaderRect(vci));
}
}
}
@Override
public void updateVendors(List<Vendor> vendors) {
tableModel = null;
tableModel = new BeanTableModel<>(Vendor.class, Party.class, vendors);
for (int i = 0; i < table.getColumnCount(); i++) {
tableModel.setColumnEditable(i, false);
}
tableModel.setModelEditable(false);
table.setModel(tableModel);
JTableHeader tableHeader = table.getTableHeader();
Enumeration<TableColumn> columns = tableHeader.getColumnModel()
.getColumns();
while (columns.hasMoreElements()) {
final TableColumn column = columns.nextElement();
String columnName = (String) column.getHeaderValue();
if (columnName.equalsIgnoreCase("Contact Info")) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
table.removeColumn(column);
}
});
}
}
}
@Override
public void updateEmployees(List<Employee> employees) {
tableModel = null;
tableModel = new BeanTableModel<>(Employee.class, employees);
for (int i = 0; i < table.getColumnCount(); i++) {
tableModel.setColumnEditable(i, false);
}
tableModel.setModelEditable(false);
table.setModel(tableModel);
JTableHeader tableHeader = table.getTableHeader();
Enumeration<TableColumn> columns = tableHeader.getColumnModel()
.getColumns();
while (columns.hasMoreElements()) {
final TableColumn column = columns.nextElement();
String columnName = (String) column.getHeaderValue();
if (columnName.equalsIgnoreCase("Account")
|| columnName.equalsIgnoreCase("Contact Info")) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
table.removeColumn(column);
}
});
}
}
}
@Override public void tableChanged(TableModelEvent e) {
if (e.getType() == TableModelEvent.UPDATE && e.getColumn() == targetColumnIndex) {
int vci = table.convertColumnIndexToView(targetColumnIndex);
TableColumn column = table.getColumnModel().getColumn(vci);
Object status = column.getHeaderValue();
TableModel m = table.getModel();
if (m instanceof DefaultTableModel && fireUpdateEvent((DefaultTableModel) m, column, status)) {
JTableHeader h = table.getTableHeader();
h.repaint(h.getHeaderRect(vci));
}
}
}
private int getColumnMinWith(TableColumn column, TableCellRenderer renderer, int margin) {
final Object headerValue = column.getHeaderValue();
final JLabel label = (JLabel) renderer.getTableCellRendererComponent(table, headerValue, false, false, 0, 0);
return label.getPreferredSize().width + margin;
}