Package weka.gui

Class ComponentHelper

  • public class ComponentHelper
extends java.lang.Object
    A helper class for some common tasks with Dialogs, Icons, etc.
    Version:
    $Revision: 7059 $
    Author:
    FracPete (fracpete at waikato dot ac dot nz)

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.lang.String[] IMAGES
      the default directories for images

    • Constructor Summary

      Constructors 
      Constructor Description
      ComponentHelper()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.awt.Image getImage​(java.lang.String filename)
      returns the Image for a given filename, NULL if not successful
      static java.awt.Image getImage​(java.lang.String dir, java.lang.String filename)
      returns the Image for a given directory and filename, NULL if not successful
      static javax.swing.ImageIcon getImageIcon​(java.lang.String filename)
      returns the ImageIcon for a given filename, NULL if not successful
      static javax.swing.ImageIcon getImageIcon​(java.lang.String dir, java.lang.String filename)
      returns the ImageIcon for a given filename and directory, NULL if not successful
      static java.lang.String showInputBox​(java.awt.Component parent, java.lang.String title, java.lang.String msg, java.lang.Object initialValue)
      pops up an input dialog
      static int showMessageBox​(java.awt.Component parent, java.lang.String title, java.lang.String msg, int buttons, int messageType)
      displays a message box with the given title, message, buttons and icon ant the dimension.

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • IMAGES

        public static final java.lang.String[] IMAGES
        the default directories for images

    • Constructor Detail

      • ComponentHelper

        public ComponentHelper()

    • Method Detail

      • getImageIcon

        public static javax.swing.ImageIcon getImageIcon​(java.lang.String dir,
                                                 java.lang.String filename)
        returns the ImageIcon for a given filename and directory, NULL if not successful
        Parameters:
        dir - the directory to look in for the file
        filename - the file to retrieve
        Returns:
        the imageicon if found, otherwise null

      • getImageIcon

        public static javax.swing.ImageIcon getImageIcon​(java.lang.String filename)
        returns the ImageIcon for a given filename, NULL if not successful
        Parameters:
        filename - the file to retrieve
        Returns:
        the imageicon if found, otherwise null

      • getImage

        public static java.awt.Image getImage​(java.lang.String dir,
                                      java.lang.String filename)
        returns the Image for a given directory and filename, NULL if not successful
        Parameters:
        dir - the directory to look in for the file
        filename - the file to retrieve
        Returns:
        the image if found, otherwise null

      • getImage

        public static java.awt.Image getImage​(java.lang.String filename)
        returns the Image for a given filename, NULL if not successful
        Parameters:
        filename - the file to retrieve
        Returns:
        the image if found, otherwise null

      • showMessageBox

        public static int showMessageBox​(java.awt.Component parent,
                                 java.lang.String title,
                                 java.lang.String msg,
                                 int buttons,
                                 int messageType)
        displays a message box with the given title, message, buttons and icon ant the dimension. it returns the pressed button.
        Parameters:
        parent - the parent component
        title - the title of the message box
        msg - the text to display
        buttons - the captions of the buttons to display
        messageType - the type of message like defined in JOptionPane (the icon is determined on this basis)
        Returns:
        the button that was pressed
        See Also:
        JOptionPane

      • showInputBox

        public static java.lang.String showInputBox​(java.awt.Component parent,
                                            java.lang.String title,
                                            java.lang.String msg,
                                            java.lang.Object initialValue)
        pops up an input dialog
        Parameters:
        parent - the parent of this dialog, can be null
        title - the title to display, can be null
        msg - the message to display
        initialValue - the initial value to display as input
        Returns:
        the entered value, or if cancelled null