pt.moredata.widgets
Class FileFilter

java.lang.Object
  extended byjavax.swing.filechooser.FileFilter
      extended bypt.moredata.widgets.FileFilter

public class FileFilter
extends javax.swing.filechooser.FileFilter

Filtro para ficheiros que se podem abrir

Author:
aricardo

Constructor Summary
FileFilter()
          Cria um novo filtro.
FileFilter(java.lang.String extension)
          Creates a file filter that accepts files with the given extension.
FileFilter(java.lang.String[] filters)
          Creates a file filter from the given string array.
FileFilter(java.lang.String[] filters, java.lang.String description)
          Creates a file filter from the given string array and description.
FileFilter(java.lang.String extension, java.lang.String description)
          Creates a file filter that accepts the given file type.
 
Method Summary
 boolean accept(java.io.File f)
          Return true if this file should be shown in the directory pane, false if it shouldn't.
 void addExtension(java.lang.String extension)
          Adds a filetype "dot" extension to filter against.
 java.lang.String getDescription()
          Returns the human readable description of this filter.
 java.lang.String getExtension(java.io.File f)
          Return the extension portion of the file's name .
 boolean isExtensionListInDescription()
          Returns whether the extension list (.jpg, .gif, etc) should show up in the human readable description.
 void setDescription(java.lang.String description)
          Sets the human readable description of this filter.
 void setExtensionListInDescription(boolean b)
          Determines whether the extension list (.jpg, .gif, etc) should show up in the human readable description.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FileFilter

public FileFilter()
Cria um novo filtro. Se não fôr definido nenhum aceita todos os ficheiros

See Also:
addExtension(java.lang.String)

FileFilter

public FileFilter(java.lang.String extension)
Creates a file filter that accepts files with the given extension. Example: new ExampleFileFilter("jpg");

Parameters:
extension - Description of the Parameter
See Also:
addExtension(java.lang.String)

FileFilter

public FileFilter(java.lang.String extension,
                  java.lang.String description)
Creates a file filter that accepts the given file type. Example: new ExampleFileFilter("jpg", "JPEG Image Images"); Note that the "." before the extension is not needed. If provided, it will be ignored.

Parameters:
extension - Description of the Parameter
description - Description of the Parameter
See Also:
addExtension(java.lang.String)

FileFilter

public FileFilter(java.lang.String[] filters)
Creates a file filter from the given string array. Example: new ExampleFileFilter(String {"gif", "jpg"}); Note that the "." before the extension is not needed adn will be ignored.

Parameters:
filters - Description of the Parameter
See Also:
addExtension(java.lang.String)

FileFilter

public FileFilter(java.lang.String[] filters,
                  java.lang.String description)
Creates a file filter from the given string array and description. Example: new ExampleFileFilter(String {"gif", "jpg"}, "Gif and JPG Images"); Note that the "." before the extension is not needed and will be ignored.

Parameters:
filters - Description of the Parameter
description - Description of the Parameter
See Also:
addExtension(java.lang.String)
Method Detail

accept

public boolean accept(java.io.File f)
Return true if this file should be shown in the directory pane, false if it shouldn't. Files that begin with "." are ignored.

Parameters:
f - Description of the Parameter
Returns:
Description of the Return Value
See Also:
getExtension(java.io.File), FileFilter#accepts

getExtension

public java.lang.String getExtension(java.io.File f)
Return the extension portion of the file's name .

Parameters:
f - Description of the Parameter
Returns:
The extension value
See Also:
getExtension(java.io.File), accept(java.io.File)

addExtension

public void addExtension(java.lang.String extension)
Adds a filetype "dot" extension to filter against. For example: the following code will create a filter that filters out all files except those that end in ".jpg" and ".tif": ExampleFileFilter filter = new ExampleFileFilter(); filter.addExtension("jpg"); filter.addExtension("tif"); Note that the "." before the extension is not needed and will be ignored.

Parameters:
extension - The feature to be added to the Extension attribute

getDescription

public java.lang.String getDescription()
Returns the human readable description of this filter. For example: "JPEG and GIF Image Files (*.jpg, *.gif)"

Returns:
The description value
See Also:
setDescription, setExtensionListInDescription, isExtensionListInDescription, getDescription()

setDescription

public void setDescription(java.lang.String description)
Sets the human readable description of this filter. For example: filter.setDescription("Gif and JPG Images");

Parameters:
description - The new description value
See Also:
setDescription, setExtensionListInDescription, isExtensionListInDescription

setExtensionListInDescription

public void setExtensionListInDescription(boolean b)
Determines whether the extension list (.jpg, .gif, etc) should show up in the human readable description. Only relevent if a description was provided in the constructor or using setDescription();

Parameters:
b - The new extensionListInDescription value
See Also:
getDescription, setDescription, isExtensionListInDescription

isExtensionListInDescription

public boolean isExtensionListInDescription()
Returns whether the extension list (.jpg, .gif, etc) should show up in the human readable description. Only relevent if a description was provided in the constructor or using setDescription();

Returns:
The extensionListInDescription value
See Also:
getDescription, setDescription, setExtensionListInDescription