Example usage for javax.swing JTable getTableHeader

Introduction

In this page you can find the example usage for javax.swing JTable getTableHeader.

Prototype

public JTableHeader getTableHeader() 

Source Link

Document

Returns the tableHeader used by this JTable.

Usage

From source file:FixedColumnModel.java

public static void main(String args[]) {

    final Object rowData[][] = { { "1", "one", "I" }, { "2", "two", "II" }, { "3", "three", "III" } };

    final String columnNames[] = { "#", "English", "Roman" };

    final TableModel fixedColumnModel = new AbstractTableModel() {
        public int getColumnCount() {
            return 1;
        }// w  w w . j a  v  a  2s  .c  o m

        public String getColumnName(int column) {
            return columnNames[column];
        }

        public int getRowCount() {
            return rowData.length;
        }

        public Object getValueAt(int row, int column) {
            return rowData[row][column];
        }
    };

    final TableModel mainModel = new AbstractTableModel() {
        public int getColumnCount() {
            return columnNames.length - 1;
        }

        public String getColumnName(int column) {
            return columnNames[column + 1];
        }

        public int getRowCount() {
            return rowData.length;
        }

        public Object getValueAt(int row, int column) {
            return rowData[row][column + 1];
        }
    };

    JTable fixedTable = new JTable(fixedColumnModel);
    fixedTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);

    JTable mainTable = new JTable(mainModel);
    mainTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);

    ListSelectionModel model = fixedTable.getSelectionModel();
    mainTable.setSelectionModel(model);

    JScrollPane scrollPane = new JScrollPane(mainTable);
    Dimension fixedSize = fixedTable.getPreferredSize();
    JViewport viewport = new JViewport();
    viewport.setView(fixedTable);
    viewport.setPreferredSize(fixedSize);
    viewport.setMaximumSize(fixedSize);
    scrollPane.setCorner(JScrollPane.UPPER_LEFT_CORNER, fixedTable.getTableHeader());
    scrollPane.setRowHeaderView(viewport);

    JFrame frame = new JFrame("Fixed Column Table");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

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From source file:Main.java

public static BufferedImage createImage(JTable table) {
    JTableHeader tableHeaderComp = table.getTableHeader();
    int totalWidth = tableHeaderComp.getWidth() + table.getWidth();
    int totalHeight = tableHeaderComp.getHeight() + table.getHeight();
    BufferedImage tableImage = new BufferedImage(totalWidth, totalHeight, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2D = (Graphics2D) tableImage.getGraphics();
    tableHeaderComp.paint(g2D);//from w  w w  .  ja v  a2s  .c om
    g2D.translate(0, tableHeaderComp.getHeight());
    table.paint(g2D);
    return tableImage;
}

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From source file:Main.java

public static void setFont(Container container, Font font) {
    container.setFont(font);//from   ww  w  .jav a  2  s .co m
    trySetBorderFont(font, container);
    Component[] components = container.getComponents();
    for (Component component : components) {
        component.setFont(font);
        if (component instanceof Container) {
            setFont((Container) component, font);
        }
        trySetBorderFont(font, component);
        if (component instanceof JTable) {
            JTable table = (JTable) component;
            table.getTableHeader().setFont(font);
        }
    }

    if (container instanceof JMenu) {
        JMenu jMenu = (JMenu) container;
        for (int i = 0; i < jMenu.getItemCount(); i++) {
            JMenuItem mi = jMenu.getItem(i);
            mi.setFont(font);
        }
    }
}

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From source file:Main.java

/**
 * Setups the given table for usage as row-header. This method setups the background color to
 * the same one than the column headers.
 *
 * {@note In a previous version, we were assigning to the row headers the same cell renderer than
 *        the one created by <cite>Swing</cite> for the column headers. But it produced strange
 *        effects when the L&F uses a vertical grandiant instead than a uniform color.}
 *
 * @param  table The table to setup as row headers.
 * @return The renderer which has been assigned to the table.
 *///from w  w  w .ja va2  s.  c o m
public static TableCellRenderer setupAsRowHeader(final JTable table) {
    final JTableHeader header = table.getTableHeader();
    Color background = header.getBackground();
    Color foreground = header.getForeground();
    if (background == null || background.equals(table.getBackground())) {
        if (!SystemColor.control.equals(background)) {
            background = SystemColor.control;
            foreground = SystemColor.controlText;
        } else {
            final Locale locale = table.getLocale();
            background = UIManager.getColor("Label.background", locale);
            foreground = UIManager.getColor("Label.foreground", locale);
        }
    }
    final DefaultTableCellRenderer renderer = new DefaultTableCellRenderer();
    renderer.setBackground(background);
    renderer.setForeground(foreground);
    renderer.setHorizontalAlignment(DefaultTableCellRenderer.RIGHT);
    final TableColumn column = table.getColumnModel().getColumn(0);
    column.setCellRenderer(renderer);
    column.setPreferredWidth(60);
    table.setPreferredScrollableViewportSize(table.getPreferredSize());
    table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    table.setCellSelectionEnabled(false);
    return renderer;
}

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From source file:Main.java

public static void sizeWidthToFitData(JTable table, int vc, int buf) {
    TableColumn tc = table.getColumnModel().getColumn(vc);

    int max = table.getTableHeader().getDefaultRenderer()
            .getTableCellRendererComponent(table, tc.getHeaderValue(), false, false, 0, vc)
            .getPreferredSize().width;/*from  w  w  w  .  j a  v  a2 s  .c  o  m*/

    int vrows = table.getRowCount();
    for (int i = 0; i < vrows; i++) {
        TableCellRenderer r = table.getCellRenderer(i, vc);
        Object value = table.getValueAt(i, vc);
        Component c = r.getTableCellRendererComponent(table, value, false, false, i, vc);
        int w = c.getPreferredSize().width;
        if (max < w) {
            max = w;
        }
    }

    tc.setPreferredWidth(max + buf);
}

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From source file:Main.java

/**
 * Auto fit the column of a table./*from  ww w .j  a  v a  2 s.  c  o  m*/
 * @param table the table for which to auto fit the columns.
 * @param columnIndex the index of the column to auto fit.
 * @param maxWidth the maximum width that a column can take (like Integer.MAX_WIDTH).
 */
public static void autoFitTableColumn(JTable table, int columnIndex, int maxWidth) {
    TableModel model = table.getModel();
    TableCellRenderer headerRenderer = table.getTableHeader().getDefaultRenderer();
    int rowCount = table.getRowCount();
    for (int i = columnIndex >= 0 ? columnIndex : model.getColumnCount() - 1; i >= 0; i--) {
        TableColumn column = table.getColumnModel().getColumn(i);
        int headerWidth = headerRenderer
                .getTableCellRendererComponent(table, column.getHeaderValue(), false, false, 0, 0)
                .getPreferredSize().width;
        int cellWidth = 0;
        for (int j = 0; j < rowCount; j++) {
            Component comp = table.getDefaultRenderer(model.getColumnClass(i))
                    .getTableCellRendererComponent(table, table.getValueAt(j, i), false, false, 0, i);
            int preferredWidth = comp.getPreferredSize().width;
            // Artificial space to look nicer.
            preferredWidth += 10;
            cellWidth = Math.max(cellWidth, preferredWidth);
        }
        // Artificial space for the sort icon.
        headerWidth += 20;
        column.setPreferredWidth(Math.min(Math.max(headerWidth, cellWidth) + table.getRowMargin(), maxWidth));
        if (columnIndex >= 0) {
            break;
        }
    }
}

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From source file:table.FrequencyTablePanel.java

public static BufferedImage createImage(JTable table) {
    JTableHeader tableHeaderComp = table.getTableHeader();
    int totalWidth = tableHeaderComp.getWidth();
    int totalHeight = tableHeaderComp.getHeight() + table.getHeight();
    BufferedImage tableImage = new BufferedImage(totalWidth, totalHeight, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2D = (Graphics2D) tableImage.getGraphics();
    tableHeaderComp.paint(g2D);/*from   www .  j  a v a2  s  .  c  om*/
    g2D.translate(0, tableHeaderComp.getHeight());
    table.paint(g2D);
    return tableImage;
}

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From source file:Main.java

/**
 *  Calculates the optimal width for the header of the given table. The
 *  calculation is based on the preferred width of the header renderer.
 *
 *  @param table    the table to calculate the column width
 *  @param col      the column to calculate the widths
 *  @return         the width, -1 if error
 *///from   ww w  .  j  a  v a 2  s  .c om
public static int calcHeaderWidth(JTable table, int col) {
    if (table == null)
        return -1;

    if (col < 0 || col > table.getColumnCount()) {
        System.out.println("invalid col " + col);
        return -1;
    }

    JTableHeader header = table.getTableHeader();
    TableCellRenderer defaultHeaderRenderer = null;
    if (header != null)
        defaultHeaderRenderer = header.getDefaultRenderer();
    TableColumnModel columns = table.getColumnModel();
    TableModel data = table.getModel();
    TableColumn column = columns.getColumn(col);
    int width = -1;
    TableCellRenderer h = column.getHeaderRenderer();
    if (h == null)
        h = defaultHeaderRenderer;
    if (h != null) {
        // Not explicitly impossible
        Component c = h.getTableCellRendererComponent(table, column.getHeaderValue(), false, false, -1, col);
        width = c.getPreferredSize().width + 5;
    }

    return width;
}

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From source file:Main.java

/**
 * Pack specified column. Sets the preferred width of the specified visible
 * column so it is will be just wide enough to show the column head and the
 * widest cell value in the column + {@code margin} each side.
 * //from  ww  w  .  j  a  va  2s  .co m
 * Taken from http://www.exampledepot.com/egs/javax.swing.table/PackCol.html
 * 
 * NB: If a table has more than 100 rows, then only the width of the column
 * header will be checked and not the widest cell value. Otherwise it could
 * take too long.
 * 
 * @param table
 *            table with column to pack
 * @param vColIndex
 *            column to pack
 * @param margin
 *            margin to leave at each side of the column (resulting in an
 *            additional width of 2*margin pixels).
 */
public static void packColumn(JTable table, int vColIndex, int margin) {

    DefaultTableColumnModel colModel = (DefaultTableColumnModel) table.getColumnModel();
    TableColumn col = colModel.getColumn(vColIndex);
    int width = 0;

    // Get width of column header
    TableCellRenderer renderer = col.getHeaderRenderer();
    if (renderer == null) {
        renderer = table.getTableHeader().getDefaultRenderer();
    }
    Component comp = renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, 0, 0);
    width = comp.getPreferredSize().width;

    // because checking the width of each row can be time consuming,
    // only do so if less than 101 rows.
    boolean checkDataWidth = (table.getRowCount() < 101);

    if (checkDataWidth) {
        // Get maximum width from all column data
        for (int r = 0; r < table.getRowCount(); r++) {
            renderer = table.getCellRenderer(r, vColIndex);
            comp = renderer.getTableCellRendererComponent(table, table.getValueAt(r, vColIndex), false, false,
                    r, vColIndex);
            width = Math.max(width, comp.getPreferredSize().width);
        }
    }

    // Add margin
    width += 2 * margin;

    // Set the width
    col.setPreferredWidth(width);
}

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From source file:ListProperties.java

public static void install(TableSorter sorter, JTable table) {
    TableHeaderSorter tableHeaderSorter = new TableHeaderSorter();
    tableHeaderSorter.sorter = sorter;/*from   ww  w .java2 s  .  c  o  m*/
    tableHeaderSorter.table = table;
    JTableHeader tableHeader = table.getTableHeader();
    tableHeader.addMouseListener(tableHeaderSorter);
}

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