javax.swing.JTable#getParent ( )源码实例Demo

/**
 * 
 */
public int getColumnLocation(mxCellState edge, mxCellState terminal,
		int column)
{
	Component[] c = components.get(terminal.getCell());
	int y = 0;

	if (c != null)
	{
		for (int i = 0; i < c.length; i++)
		{
			if (c[i] instanceof JTableRenderer)
			{
				JTableRenderer vertex = (JTableRenderer) c[i];

				JTable table = vertex.table;
				JViewport viewport = (JViewport) table.getParent();
				double dy = -viewport.getViewPosition().getY();
				y = (int) Math.max(terminal.getY() + 22, terminal.getY()
						+ Math.min(terminal.getHeight() - 20, 30 + dy
								+ column * 16));
			}
		}
	}

	return y;
}
 

/**
 * Choix du fichier pour un export.
 *
 * @return File
 * @param table
 *           JTable
 * @param extension
 *           String
 * @throws IOException
 *            Erreur disque
 */
protected File chooseFile(final JTable table, final String extension) throws IOException {
	final JFileChooser myFileChooser = getFileChooser();

	final MExtensionFileFilter filter = new MExtensionFileFilter(extension);
	myFileChooser.addChoosableFileFilter(filter);

	String title = buildTitle(table);
	if (title != null) {
		// on remplace par des espaces les caractères interdits dans les noms de fichiers : \ / : * ? " < > |
		final String notAllowed = "\\/:*?\"<>|";
		final int notAllowedLength = notAllowed.length();
		for (int i = 0; i < notAllowedLength; i++) {
			title = title.replace(notAllowed.charAt(i), ' ');
		}
		myFileChooser.setSelectedFile(new File(title));
	}
	// l'extension sera ajoutée ci-dessous au nom du fichier

	try {
		final Component parent = table.getParent() != null ? table.getParent() : table;
		if (myFileChooser.showSaveDialog(parent) == JFileChooser.APPROVE_OPTION) {
			String fileName = myFileChooser.getSelectedFile().getCanonicalPath();
			if (!fileName.endsWith('.' + extension)) {
				fileName += '.' + extension; // NOPMD
			}

			return new File(fileName);
		}
		return null;
	} finally {
		myFileChooser.removeChoosableFileFilter(filter);
	}
}
 

/**
 * Creates a {@link Border} that paints any empty space to the right of the
 * last column header in the given {@link JTable}'s {@link JTableHeader}.
 *
 * @param  table DOCUMENT ME!
 *
 * @return DOCUMENT ME!
 */
private static Border createTableHeaderEmptyColumnPainter(final JTable table) {
    return new AbstractBorder() {
        @Override
        public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
            // if this JTableHeader is parented in a JViewport, then paint
            // the table header background to the right of the last column
            // if neccessary.
            Container viewport = table.getParent();

            if ((viewport instanceof JViewport) && table.getWidth() < viewport.getWidth()) {
                int startX           = table.getWidth();
                int emptyColumnWidth = viewport.getWidth() - table.getWidth();

                TableCellRenderer renderer  = table.getTableHeader().getDefaultRenderer();
                // Rossi: Fix for indexoutofbounds exception: A try catch might be good too?
                Component         component = renderer.getTableCellRendererComponent(table, "", false, false, 0, table.getColumnCount()-1);

                component.setBounds(0, 0, emptyColumnWidth, table.getTableHeader().getHeight());

                ((JComponent) component).setOpaque(true);
                CELL_RENDER_PANE.paintComponent(g, component, null, startX, 0, emptyColumnWidth + 1,
                                                table.getTableHeader().getHeight(), true);
            }
        }
    };
}
 

/**
 * DOCUMENT ME!
 *
 * @param  table DOCUMENT ME!
 *
 * @return DOCUMENT ME!
 */
private static PropertyChangeListener createAncestorPropertyChangeListener(final JTable table) {
    return new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent event) {
            if (table.getParent() instanceof JViewport && table.getParent().getParent() instanceof JScrollPane) {
                table.getParent().repaint();
            }
        }
    };
}
 

/**
 * Creats a row header for the given table. The row number is displayed to
 * the left of the table ( starting with row 1).
 *
 * @param table       the table to create the row header for
 * @param headerWidth the number of characters to size the header
 */
public static TableRowHeader setRowHeader(JTable table, int headerWidth) {
    TableRowHeader result = null;
    Container p = table.getParent();
    if (p instanceof JViewport) {
        Container gp = p.getParent();
        if (gp instanceof JScrollPane) {
            JScrollPane scrollPane = (JScrollPane) gp;
            result = new TableRowHeader(table);
            scrollPane.setRowHeaderView(result);
        }
    }
    return result;
}
 

/**
 * Creates row header for table with row number (starting with 1) displayed.
 */
public static void removeRowHeader(JTable table) {
    Container p = table.getParent();
    if (p instanceof JViewport) {
        Container gp = p.getParent();
        if (gp instanceof JScrollPane) {
            JScrollPane scrollPane = (JScrollPane) gp;
            scrollPane.setRowHeader(null);
        }
    }
}
 

public TableListener(JTable rowHeadersTable, JTable userTable) {
	this.userTable = userTable;
	this.rowHeadersTable = rowHeadersTable;

	Container p = userTable.getParent();
	userTableViewPort = (JViewport) p;

	Container p2 = rowHeadersTable.getParent();
	rowHeadersViewPort = (JViewport) p2;

	Point newPosition = userTableViewPort.getViewPosition();
	rowHeadersViewPort.setViewPosition(newPosition);

	// userTableViewPort.setViewPosition(newPosition);

	rowHeadersTable.getSelectionModel().addListSelectionListener(this);
	userTable.getSelectionModel().addListSelectionListener(this);

}