JCommon 1.0.17-redhat-2

org.jfree.ui.action
Class AbstractFileSelectionAction

java.lang.Object
  extended by javax.swing.AbstractAction
      extended by org.jfree.ui.action.AbstractActionDowngrade
          extended by org.jfree.ui.action.AbstractFileSelectionAction
All Implemented Interfaces:
ActionListener, Serializable, Cloneable, EventListener, Action, ActionDowngrade

public abstract class AbstractFileSelectionAction
extends AbstractActionDowngrade

A base class for all file operations. This implementation provides all methods to let the user select a file.

Author:
Thomas Morgner
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.jfree.ui.action.AbstractActionDowngrade
ACCELERATOR_KEY, MNEMONIC_KEY
 
Fields inherited from class javax.swing.AbstractAction
changeSupport, enabled
 
Fields inherited from interface javax.swing.Action
ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON
 
Constructor Summary
AbstractFileSelectionAction(Component parent)
          Creates a new FileSelectionAction with the given optional parent component as parent for the file chooser dialog.
 
Method Summary
protected  JFileChooser createFileChooser()
          Creates the file chooser.
protected  File getCurrentDirectory()
          Returns the working directory that should be used when initializing the FileChooser.
protected abstract  String getFileDescription()
          Returns a descriptive text describing the file extension.
protected abstract  String getFileExtension()
          Returns the file extension that should be used for the operation.
protected  File performSelectFile(File selectedFile, int dialogType, boolean appendExtension)
          Selects a file to use as target for the operation.
 
Methods inherited from class javax.swing.AbstractAction
addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface javax.swing.Action
addPropertyChangeListener, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled
 
Methods inherited from interface java.awt.event.ActionListener
actionPerformed
 

Constructor Detail

AbstractFileSelectionAction

public AbstractFileSelectionAction(Component parent)
Creates a new FileSelectionAction with the given optional parent component as parent for the file chooser dialog.

Parameters:
parent - the parent
Method Detail

getFileExtension

protected abstract String getFileExtension()
Returns the file extension that should be used for the operation.

Returns:
the file extension.

getFileDescription

protected abstract String getFileDescription()
Returns a descriptive text describing the file extension.

Returns:
the file description.

getCurrentDirectory

protected File getCurrentDirectory()
Returns the working directory that should be used when initializing the FileChooser.

Returns:
the working directory.

performSelectFile

protected File performSelectFile(File selectedFile,
                                 int dialogType,
                                 boolean appendExtension)
Selects a file to use as target for the operation.

Parameters:
selectedFile - the selected file.
dialogType - the dialog type.
appendExtension - true, if the file extension should be added if necessary, false if the unmodified filename should be used.
Returns:
the selected and approved file or null, if the user canceled the operation

createFileChooser

protected JFileChooser createFileChooser()
Creates the file chooser.

Returns:
the initialized file chooser.

JCommon 1.0.17-redhat-2

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