Example usage for javax.swing JTable getRowMargin

Introduction

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

Prototype

public int getRowMargin() 

Source Link

Document

Gets the amount of empty space, in pixels, between cells.

Usage

From source file:Main.java

/**
 * Returns the visual height of the given table.
 *
 * @param table the table.//  ww w  .  ja va 2  s  .c o  m
 *
 * @return the table height.
 */
public static int getTableHeight(JTable table) {
    int result = 0;
    int rowHeight = 0;

    for (int i = 0, rows = table.getRowCount(); i < rows; i++) {
        int height = table.getRowHeight(i);
        result += height;

        if (height > rowHeight) {
            rowHeight = height;
        }
    }

    return result + rowHeight + (table.getRowCount() * table.getRowMargin());
}

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From source file:Main.java

/**
 * Auto fit the column of a table.//  w  ww . j  a v  a2s  .  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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