Example usage for javax.swing.table TableColumnModel getColumnMargin

Introduction

In this page you can find the example usage for javax.swing.table TableColumnModel getColumnMargin.

Prototype

public int getColumnMargin();

Source Link

Document

Returns the width between the cells in each column.

Usage

From source file:Main.java

public static int getPreferredTableWidth(final JTable table) {
    TableColumnModel columnModel = table.getColumnModel();
    int width = 0;
    for (int col = 0; col < columnModel.getColumnCount(); col++) {
        width += columnModel.getColumn(col).getPreferredWidth();
        if (col != 0) {
            width += columnModel.getColumnMargin();
        }// w  ww.  j a v  a2  s  . co  m
    }
    return width;
}

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From source file:edu.ku.brc.stats.StatGroupTable.java

/**
 * Calculates and sets the each column to it preferred size
 * @param table the table to fix ups/*from  w w  w.ja v a 2  s  . c  o m*/
 */
public static void calcColumnWidths(JTable table) {
    JTableHeader header = table.getTableHeader();

    TableCellRenderer defaultHeaderRenderer = null;

    if (header != null) {
        defaultHeaderRenderer = header.getDefaultRenderer();
    }

    TableColumnModel columns = table.getColumnModel();
    TableModel data = table.getModel();

    int margin = columns.getColumnMargin(); // only JDK1.3

    int rowCount = data.getRowCount();

    int totalWidth = 0;

    for (int i = columns.getColumnCount() - 1; i >= 0; --i) {
        TableColumn column = columns.getColumn(i);

        int columnIndex = column.getModelIndex();

        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, i);

            width = c.getPreferredSize().width;
        }

        for (int row = rowCount - 1; row >= 0; --row) {
            TableCellRenderer r = table.getCellRenderer(row, i);

            Component c = r.getTableCellRendererComponent(table, data.getValueAt(row, columnIndex), false,
                    false, row, i);

            width = Math.max(width, c.getPreferredSize().width + 10); // adding an arbitray 10 pixels to make it look nicer
        }

        if (width >= 0) {
            column.setPreferredWidth(width + margin); // <1.3: without margin
        }

        totalWidth += column.getPreferredWidth();
    }

    // If you like; This does not make sense for two many columns!
    Dimension size = table.getPreferredScrollableViewportSize();
    //if (totalWidth > size.width)
    {
        size.height = Math.min(size.height, table.getRowHeight() * visibleRows);
        size.width = totalWidth;
        table.setPreferredScrollableViewportSize(size);
    }

}

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From source file:edu.ku.brc.specify.utilapps.SetUpBuildDlg.java

/**
 * @param table// w  w w . j ava 2s .  c o m
 */
public static void calcColumnWidths(JTable table) {
    JTableHeader header = table.getTableHeader();

    TableCellRenderer defaultHeaderRenderer = null;

    if (header != null) {
        defaultHeaderRenderer = header.getDefaultRenderer();
    }

    TableColumnModel columns = table.getColumnModel();
    TableModel data = table.getModel();

    int margin = columns.getColumnMargin(); // only JDK1.3

    int rowCount = data.getRowCount();

    int totalWidth = 0;

    for (int i = columns.getColumnCount() - 1; i >= 0; --i) {
        TableColumn column = columns.getColumn(i);

        int columnIndex = column.getModelIndex();

        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, i);

            width = c.getPreferredSize().width;
        }

        for (int row = rowCount - 1; row >= 0; --row) {
            TableCellRenderer r = table.getCellRenderer(row, i);

            Component c = r.getTableCellRendererComponent(table, data.getValueAt(row, columnIndex), false,
                    false, row, i);

            width = Math.max(width, c.getPreferredSize().width + 10); // adding an arbitray 10 pixels to make it look nicer
        }

        if (width >= 0) {
            column.setPreferredWidth(width + margin); // <1.3: without margin
        } else {
            // ???
        }

        totalWidth += column.getPreferredWidth();
    }
}

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From source file:FrozenColumnHeader.java

public void addNotify() {
    TableColumn column;//  www.j  av  a2s .  com
    super.addNotify();
    TableColumnModel mainModel = mainTable.getColumnModel();
    TableColumnModel headerModel = new DefaultTableColumnModel();
    int frozenWidth = 0;
    for (int i = 0; i < columnCount; i++) {
        column = mainModel.getColumn(0);
        mainModel.removeColumn(column);
        headerModel.addColumn(column);
        frozenWidth += column.getPreferredWidth() + headerModel.getColumnMargin();
    }
    headerTable.setColumnModel(headerModel);
    Component columnHeader = getColumnHeader().getView();
    getColumnHeader().setView(null);
    JScrollPane mainScrollPane = (JScrollPane) SwingUtilities.getAncestorOfClass(JScrollPane.class, mainTable);
    mainScrollPane.setCorner(JScrollPane.UPPER_LEFT_CORNER, new JLabel("..."));

    headerTable.setPreferredScrollableViewportSize(new Dimension(frozenWidth, 0));
}

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From source file:edu.ku.brc.ui.UIHelper.java

/**
 * Calculates and sets the each column to it preferred size.  NOTE: This
 * method also sets the table height to 10 rows.
 * /*from  ww w .  j ava 2  s .  c o m*/
 * @param table the table to fix up
 * @param numRowsHeight the number of rows to make the table height (or null not to set it)
 */
public static void calcColumnWidths(final JTable table, final Integer numRowsHeight, final Integer maxWidth) {
    if (table != null) {
        JTableHeader header = table.getTableHeader();

        TableCellRenderer defaultHeaderRenderer = null;

        if (header != null) {
            defaultHeaderRenderer = header.getDefaultRenderer();
        }

        TableColumnModel columns = table.getColumnModel();
        TableModel data = table.getModel();

        int margin = columns.getColumnMargin(); // only JDK1.3

        int rowCount = data.getRowCount();

        int totalWidth = 0;

        for (int i = columns.getColumnCount() - 1; i >= 0; --i) {
            TableColumn column = columns.getColumn(i);

            int columnIndex = column.getModelIndex();

            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,
                        i);

                width = c.getPreferredSize().width;
            }

            for (int row = rowCount - 1; row >= 0; --row) {
                TableCellRenderer r = table.getCellRenderer(row, i);

                Component c = r.getTableCellRendererComponent(table, data.getValueAt(row, columnIndex), false,
                        false, row, i);

                width = Math.max(width, c.getPreferredSize().width + 10); // adding an arbitray 10 pixels to make it look nicer

                if (maxWidth != null) {
                    width = Math.min(width, maxWidth);
                }
            }

            if (width >= 0) {
                column.setPreferredWidth(width + margin); // <1.3: without margin
            } else {
                // ???
            }

            totalWidth += column.getPreferredWidth();
        }

        // If you like; This does not make sense for two many columns!
        Dimension size = table.getPreferredScrollableViewportSize();
        //if (totalWidth > size.width)
        {
            if (numRowsHeight != null) {
                size.height = Math.min(size.height, table.getRowHeight() * numRowsHeight);
            }
            size.width = totalWidth;
            table.setPreferredScrollableViewportSize(size);
        }
    }
}

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