Package weka.gui

Class JTableHelper


  • public class JTableHelper
    extends java.lang.Object
    A helper class for JTable, e.g. calculating the optimal colwidth.
    Version:
    $Revision: 7059 $
    Author:
    FracPete (fracpete at waikato dot ac dot nz)
    • Constructor Summary

      Constructors 
      Constructor Description
      JTableHelper​(javax.swing.JTable jtable)
      initializes the object
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int calcColumnWidth​(int col)
      calcs the optimal column width of the given column
      static int calcColumnWidth​(javax.swing.JTable table, int col)
      Calculates the optimal width for the column of the given table.
      int calcHeaderWidth​(int col)
      calcs the optimal header width of the given column
      static int calcHeaderWidth​(javax.swing.JTable table, int col)
      Calculates the optimal width for the header of the given table.
      javax.swing.JTable getJTable()
      returns the JTable
      void scrollToVisible​(int row, int col)
      Assumes table is contained in a JScrollPane.
      static void scrollToVisible​(javax.swing.JTable table, int row, int col)
      Assumes table is contained in a JScrollPane.
      void setOptimalColumnWidth()
      sets the optimal column width for all columns
      void setOptimalColumnWidth​(int col)
      sets the optimal column width for the given column
      static void setOptimalColumnWidth​(javax.swing.JTable jtable)
      sets the optimal column width for alls column if the given table
      static void setOptimalColumnWidth​(javax.swing.JTable jtable, int col)
      sets the optimal column width for the given column
      void setOptimalHeaderWidth()
      sets the optimal header width for all columns
      void setOptimalHeaderWidth​(int col)
      sets the optimal header width for the given column
      static void setOptimalHeaderWidth​(javax.swing.JTable jtable)
      sets the optimal header width for alls column if the given table
      static void setOptimalHeaderWidth​(javax.swing.JTable jtable, int col)
      sets the optimal header width for the given column
      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • JTableHelper

        public JTableHelper​(javax.swing.JTable jtable)
        initializes the object
    • Method Detail

      • getJTable

        public javax.swing.JTable getJTable()
        returns the JTable
      • calcColumnWidth

        public int calcColumnWidth​(int col)
        calcs the optimal column width of the given column
      • calcColumnWidth

        public static int calcColumnWidth​(javax.swing.JTable table,
                                          int col)
        Calculates the optimal width for the column of the given table. The calculation is based on the preferred width of the header and cell renderer.
        Taken from the newsgoup de.comp.lang.java with some modifications.
        Taken from FOPPS/EnhancedTable - http://fopps.sourceforge.net/
        Parameters:
        table - the table to calculate the column width
        col - the column to calculate the widths
        Returns:
        the width, -1 if error
      • calcHeaderWidth

        public int calcHeaderWidth​(int col)
        calcs the optimal header width of the given column
      • calcHeaderWidth

        public static int calcHeaderWidth​(javax.swing.JTable table,
                                          int col)
        Calculates the optimal width for the header of the given table. The calculation is based on the preferred width of the header renderer.
        Parameters:
        table - the table to calculate the column width
        col - the column to calculate the widths
        Returns:
        the width, -1 if error
      • setOptimalColumnWidth

        public void setOptimalColumnWidth​(int col)
        sets the optimal column width for the given column
      • setOptimalColumnWidth

        public static void setOptimalColumnWidth​(javax.swing.JTable jtable,
                                                 int col)
        sets the optimal column width for the given column
      • setOptimalColumnWidth

        public void setOptimalColumnWidth()
        sets the optimal column width for all columns
      • setOptimalColumnWidth

        public static void setOptimalColumnWidth​(javax.swing.JTable jtable)
        sets the optimal column width for alls column if the given table
      • setOptimalHeaderWidth

        public void setOptimalHeaderWidth​(int col)
        sets the optimal header width for the given column
      • setOptimalHeaderWidth

        public static void setOptimalHeaderWidth​(javax.swing.JTable jtable,
                                                 int col)
        sets the optimal header width for the given column
      • setOptimalHeaderWidth

        public void setOptimalHeaderWidth()
        sets the optimal header width for all columns
      • setOptimalHeaderWidth

        public static void setOptimalHeaderWidth​(javax.swing.JTable jtable)
        sets the optimal header width for alls column if the given table
      • scrollToVisible

        public void scrollToVisible​(int row,
                                    int col)
        Assumes table is contained in a JScrollPane. Scrolls the cell (rowIndex, vColIndex) so that it is visible within the viewport.
      • scrollToVisible

        public static void scrollToVisible​(javax.swing.JTable table,
                                           int row,
                                           int col)
        Assumes table is contained in a JScrollPane. Scrolls the cell (rowIndex, vColIndex) so that it is visible within the viewport.