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## weka.gui
Class ConverterFileChooser

    java.lang.Object
      java.awt.Component
          java.awt.Container
              javax.swing.JComponent
                  javax.swing.JFileChooser
                      weka.gui.ConverterFileChooser

All Implemented Interfaces:
  java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, javax.accessibility.Accessible

    public class ConverterFileChooser

extends javax.swing.JFileChooser

A specialized JFileChooser that lists all available file Loaders and Savers. To list only savers that can handle the data that is about to be saved, one can set a Capabilities filter.

Version:
  $Revision: 7464 $
Author:
  fracpete (fracpete at waikato dot ac dot nz)
See Also:
  `setCapabilitiesFilter(Capabilities)`, Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JComponent
`javax.swing.JComponent.AccessibleJComponent`

Nested classes/interfaces inherited from class java.awt.Component
`java.awt.Component.BaselineResizeBehavior`

Field Summary
`static int` | `LOADER_DIALOG` the loader dialog
`static int` | `SAVER_DIALOG` the saver dialog
`static int` | `UNHANDLED_DIALOG` unhandled type of dialog

Fields inherited from class javax.swing.JFileChooser
`ACCEPT_ALL_FILE_FILTER_USED_CHANGED_PROPERTY, ACCESSORY_CHANGED_PROPERTY, APPROVE_BUTTON_MNEMONIC_CHANGED_PROPERTY, APPROVE_BUTTON_TEXT_CHANGED_PROPERTY, APPROVE_BUTTON_TOOL_TIP_TEXT_CHANGED_PROPERTY, APPROVE_OPTION, APPROVE_SELECTION, CANCEL_OPTION, CANCEL_SELECTION, CHOOSABLE_FILE_FILTER_CHANGED_PROPERTY, CONTROL_BUTTONS_ARE_SHOWN_CHANGED_PROPERTY, CUSTOM_DIALOG, DIALOG_TITLE_CHANGED_PROPERTY, DIALOG_TYPE_CHANGED_PROPERTY, DIRECTORIES_ONLY, DIRECTORY_CHANGED_PROPERTY, ERROR_OPTION, FILE_FILTER_CHANGED_PROPERTY, FILE_HIDING_CHANGED_PROPERTY, FILE_SELECTION_MODE_CHANGED_PROPERTY, FILE_SYSTEM_VIEW_CHANGED_PROPERTY, FILE_VIEW_CHANGED_PROPERTY, FILES_AND_DIRECTORIES, FILES_ONLY, MULTI_SELECTION_ENABLED_CHANGED_PROPERTY, OPEN_DIALOG, SAVE_DIALOG, SELECTED_FILE_CHANGED_PROPERTY, SELECTED_FILES_CHANGED_PROPERTY`

Fields inherited from class javax.swing.JComponent
`TOOL_TIP_TEXT_KEY, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW`

Fields inherited from class java.awt.Component
`BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT`

Fields inherited from interface java.awt.image.ImageObserver
`ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH`

Constructor Summary
`ConverterFileChooser()` onstructs a FileChooser pointing to the user's default directory.
`ConverterFileChooser(java.io.File currentDirectory)` Constructs a FileChooser using the given File as the path.
`ConverterFileChooser(java.lang.String currentDirectory)` Constructs a FileChooser using the given path.

Method Summary
`Capabilities` | `getCapabilitiesFilter()` returns the capabilities filter for the savers, can be null if all are listed.
`boolean` | `getCoreConvertersOnly()` Returns whether only the hardcoded core converters are displayed.
`boolean` | `getFileMustExist()` Returns whether the selected file must exist (only open dialog).
`AbstractFileLoader` | `getLoader()` returns the loader that was chosen by the user, can be null in case the user aborted the dialog or the save dialog was shown
`boolean` | `getOverwriteWarning()` Returns whether a popup appears with a warning that the file already exists (only save dialog).
`AbstractFileSaver` | `getSaver()` returns the saver that was chosen by the user, can be null in case the user aborted the dialog or the open dialog was shown
`static void` | `main(java.lang.String[] args)` For testing the file chooser
`void` | `setCapabilitiesFilter(Capabilities value)` sets the capabilities that the savers must have.
`void` | `setCoreConvertersOnly(boolean value)` Whether to display only the hardocded core converters.
`void` | `setFileMustExist(boolean value)` Whether the selected file must exst (only open dialog).
`void` | `setOverwriteWarning(boolean value)` Whether a warning is popped up if the file that is to be saved already exists (only save dialog).
`int` | `showDialog(java.awt.Component parent, java.lang.String approveButtonText)` Pops a custom file chooser dialog with a custom approve button.
`int` | `showOpenDialog(java.awt.Component parent)` Pops up an "Open File" file chooser dialog.
`int` | `showSaveDialog(java.awt.Component parent)` Pops up an "Save File" file chooser dialog.

Methods inherited from class javax.swing.JFileChooser
`accept, addActionListener, addChoosableFileFilter, approveSelection, cancelSelection, changeToParentDirectory, ensureFileIsVisible, getAcceptAllFileFilter, getAccessibleContext, getAccessory, getActionListeners, getApproveButtonMnemonic, getApproveButtonText, getApproveButtonToolTipText, getChoosableFileFilters, getControlButtonsAreShown, getCurrentDirectory, getDescription, getDialogTitle, getDialogType, getDragEnabled, getFileFilter, getFileSelectionMode, getFileSystemView, getFileView, getIcon, getName, getSelectedFile, getSelectedFiles, getTypeDescription, getUI, getUIClassID, isAcceptAllFileFilterUsed, isDirectorySelectionEnabled, isFileHidingEnabled, isFileSelectionEnabled, isMultiSelectionEnabled, isTraversable, removeActionListener, removeChoosableFileFilter, rescanCurrentDirectory, resetChoosableFileFilters, setAcceptAllFileFilterUsed, setAccessory, setApproveButtonMnemonic, setApproveButtonMnemonic, setApproveButtonText, setApproveButtonToolTipText, setControlButtonsAreShown, setCurrentDirectory, setDialogTitle, setDialogType, setDragEnabled, setFileFilter, setFileHidingEnabled, setFileSelectionMode, setFileSystemView, setFileView, setMultiSelectionEnabled, setSelectedFile, setSelectedFiles, updateUI`

Methods inherited from class javax.swing.JComponent
`addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintImmediately, paintImmediately, print, printAll, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update`

Methods inherited from class java.awt.Container
`add, add, add, add, add, addContainerListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusBackward, transferFocusDownCycle, validate`

Methods inherited from class java.awt.Component
`action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, contains, createImage, createImage, createVolatileImage, createVolatileImage, dispatchEvent, enable, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### UNHANDLED_DIALOG

    public static final int UNHANDLED_DIALOG

  unhandled type of dialog

  See Also:
    Constant Field Values

### LOADER_DIALOG

    public static final int LOADER_DIALOG

  the loader dialog

  See Also:
    Constant Field Values

### SAVER_DIALOG

    public static final int SAVER_DIALOG

  the saver dialog

  See Also:
    Constant Field Values

Constructor Detail

### ConverterFileChooser

    public ConverterFileChooser()

  onstructs a FileChooser pointing to the user's default directory.

### ConverterFileChooser

    public ConverterFileChooser(java.io.File currentDirectory)

  Constructs a FileChooser using the given File as the path.

  Parameters:
    `currentDirectory` - the path to start in

### ConverterFileChooser

    public ConverterFileChooser(java.lang.String currentDirectory)

  Constructs a FileChooser using the given path.

  Parameters:
    `currentDirectory` - the path to start in

Method Detail

### setCapabilitiesFilter

    public void setCapabilitiesFilter(Capabilities value)

  sets the capabilities that the savers must have. use null if all should be listed.

  Parameters:
    `value` - the minimum Capabilities the savers must have

### getCapabilitiesFilter

    public Capabilities getCapabilitiesFilter()

  returns the capabilities filter for the savers, can be null if all are listed.

  Returns:
    the minimum Capabilities the savers must have

### setOverwriteWarning

    public void setOverwriteWarning(boolean value)

  Whether a warning is popped up if the file that is to be saved already exists (only save dialog).

  Parameters:
    `value` - if true a warning will be popup

### getOverwriteWarning

    public boolean getOverwriteWarning()

  Returns whether a popup appears with a warning that the file already exists (only save dialog).

  Returns:
    true if a warning pops up

### setFileMustExist

    public void setFileMustExist(boolean value)

  Whether the selected file must exst (only open dialog).

  Parameters:
    `value` - if true the file must exist

### getFileMustExist

    public boolean getFileMustExist()

  Returns whether the selected file must exist (only open dialog).

  Returns:
    true if the file must exist

### setCoreConvertersOnly

    public void setCoreConvertersOnly(boolean value)

  Whether to display only the hardocded core converters. Necessary for RMI/Remote Experiments (dynamic class discovery doesn't work there!).

  Parameters:
    `value` - if true only the core converters will be displayed
  See Also:
    `m_CoreConvertersOnly`

### getCoreConvertersOnly

    public boolean getCoreConvertersOnly()

  Returns whether only the hardcoded core converters are displayed. Necessary for RMI/REmote Experiments (dynamic class discovery doesn't work there!).

  Returns:
    true if the file must exist
  See Also:
    `m_CoreConvertersOnly`

### showDialog

    public int showDialog(java.awt.Component parent,
                          java.lang.String approveButtonText)

  Pops a custom file chooser dialog with a custom approve button. Throws an exception, if the dialog type is UNHANDLED_DIALOG.

  Overrides:
    `showDialog` in class `javax.swing.JFileChooser`
  Parameters:
    `parent` - the parent of this dialog
    `approveButtonText` - the text for the OK button
  Returns:
    the user's action

### showOpenDialog

    public int showOpenDialog(java.awt.Component parent)

  Pops up an "Open File" file chooser dialog.

  Overrides:
    `showOpenDialog` in class `javax.swing.JFileChooser`
  Parameters:
    `parent` - the parent of this file chooser
  Returns:
    the result of the user's action

### showSaveDialog

    public int showSaveDialog(java.awt.Component parent)

  Pops up an "Save File" file chooser dialog.

  Overrides:
    `showSaveDialog` in class `javax.swing.JFileChooser`
  Parameters:
    `parent` - the parent of this file chooser
  Returns:
    the result of the user's action

### getLoader

    public AbstractFileLoader getLoader()

  returns the loader that was chosen by the user, can be null in case the user aborted the dialog or the save dialog was shown

  Returns:
    the chosen loader, if any

### getSaver

    public AbstractFileSaver getSaver()

  returns the saver that was chosen by the user, can be null in case the user aborted the dialog or the open dialog was shown

  Returns:
    the chosen saver, if any

### main

    public static void main(java.lang.String[] args)
                     throws java.lang.Exception

  For testing the file chooser

  Parameters:
    `args` - the commandline options - ignored
  Throws:
    `java.lang.Exception` - if something goes wrong with loading/saving

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