edu.iastate.metnet.metaomgraph
Class GraphFileFilter

java.lang.Object
  javax.swing.filechooser.FileFilter
      edu.iastate.metnet.metaomgraph.GraphFileFilter

public class GraphFileFilter
extends javax.swing.filechooser.FileFilter

File filter used in MetaOmGraph file chooser dialogs. The filter can be set to one of three modes via the setMode(int) method. If the mode is GraphFileFilter.XML, only files with a .xml extension will be accepted. If it's set to GraphFileFilter.TEXT, .txt and .csv files will be accepted. And if it's set to GraphFileFilter.PROJECT, .mcg and .mog files will be accepted.

Author:

Nick Ransom

Field Summary

static int	PNG Mode to accept .png files
static int	PROJECT Mode to accept .mcg and .mog files
static int	TEXT Mode to accept .txt and .csv files
static int	XML Mode to accept .xml files

Constructor Summary

GraphFileFilter()
Creates a GraphFileFilter in text mode (*.txt, *.csv).

GraphFileFilter(int mode)
Creates a GraphFileFilter with the specified mode.

Method Summary

boolean	accept(java.io.File arg0) Determines whether or not to display a given file in the file chooser.
java.lang.String	getDescription() Gets a description of this filter.
void	setMode(int mode) Changes which files will be accepted by this filter.

Methods inherited from class java.lang.Object

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

Field Detail

XML

public static final int XML

Mode to accept .xml files

See Also:

Constant Field Values

TEXT

public static final int TEXT

Mode to accept .txt and .csv files

See Also:

Constant Field Values

PROJECT

public static final int PROJECT

Mode to accept .mcg and .mog files

See Also:

Constant Field Values

PNG

public static final int PNG

Mode to accept .png files

See Also:

Constant Field Values

Constructor Detail

GraphFileFilter

public GraphFileFilter()

Creates a GraphFileFilter in text mode (*.txt, *.csv).

GraphFileFilter

public GraphFileFilter(int mode)

Creates a GraphFileFilter with the specified mode. The mode must be one of GraphFileFilter.XML, GraphFileFilter.TEXT, or GraphFileFilter.PROJECT.

Parameters:

mode - the mode. Must be one of GraphFileFilter.XML, GraphFileFilter.TEXT, or GraphFileFilter.PROJECT.

Method Detail

setMode

public void setMode(int mode)

Changes which files will be accepted by this filter. If the mode is GraphFileFilter.XML, only files with a .xml extension will be accepted. If it's set to GraphFileFilter.TEXT, .txt and .csv files will be accepted. And if it's set to GraphFileFilter.PROJECT, .mcg and .mog files will be accepted.

Parameters:

mode - the mode

Throws:

java.security.InvalidParameterException - if the specified mode is not one of GraphFileFilter.XML, GraphFileFilter.TEXT, or GraphFileFilter.PROJECT.

accept

public boolean accept(java.io.File arg0)

Determines whether or not to display a given file in the file chooser. The types of files that are displayed are determined by the active mode. Folders will be displayed in both modes.

Specified by:

accept in class javax.swing.filechooser.FileFilter

Returns:

true if the given file should be displayed, false otherwise.

getDescription

public java.lang.String getDescription()

Gets a description of this filter. The description changes based on the mode.

Specified by:

getDescription in class javax.swing.filechooser.FileFilter

Returns:

a description of this filter/mode.