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## weka.gui.beans
Class KnowledgeFlowApp

    java.lang.Object
      java.awt.Component
          java.awt.Container
              javax.swing.JComponent
                  javax.swing.JPanel
                      weka.gui.beans.KnowledgeFlowApp

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

    public class KnowledgeFlowApp

extends javax.swing.JPanel
implements java.beans.PropertyChangeListener

Main GUI class for the KnowledgeFlow. Modifications to allow interoperability with swt provided by Davide Zerbetto (davide dot zerbetto at eng dot it).

Since:
  1.0
Version:
  $Revision: 6140 $
Author:
  Mark Hall
See Also:
  `JPanel`, `PropertyChangeListener`, 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 java.lang.String` | `FILE_EXTENSION` the extension for the serialized setups (Java serialization)
`static java.lang.String` | `FILE_EXTENSION_XML` the extension for the serialized setups (Java serialization)
`static java.util.Vector` | `s_startupListeners`

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
`KnowledgeFlowApp(boolean showFileMenu)` Creates a new `KnowledgeFlowApp` instance.

Method Summary
`static void` | `addStartupListener(StartUpListener s)` Add a listener to be notified when startup is complete
`void` | `clearLayout()`
`static void` | `createSingleton(java.lang.String[] args)` Create the singleton instance of the KnowledgeFlow
`java.util.Vector` | `getFlow()` Gets the current flow being edited.
`static java.lang.String` | `getGlobalInfo(java.lang.Object tempBean)` Utility method for grabbing the global info help (if it exists) from an arbitrary object
`static KnowledgeFlowApp` | `getSingleton()` Return the singleton instance of the KnowledgeFlow
`static void` | `loadProperties()` Loads KnowledgeFlow properties and any plugins (adds jars to the classpath)
`static void` | `main(java.lang.String[] args)` Main method.
`void` | `propertyChange(java.beans.PropertyChangeEvent e)` Accept property change events
`void` | `saveLayout(java.io.OutputStream out)` Save the knowledge flow into the OutputStream passed at input.
`void` | `setEnvironment(Environment env)` Set the environment variables to use.
`void` | `setFlow(java.util.Vector v)` Set the flow for the KnowledgeFlow to edit.

Methods inherited from class javax.swing.JPanel
`getAccessibleContext, getUI, getUIClassID, setUI, 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

### FILE_EXTENSION

    public static final java.lang.String FILE_EXTENSION

  the extension for the serialized setups (Java serialization)

  See Also:
    Constant Field Values

### FILE_EXTENSION_XML

    public static final java.lang.String FILE_EXTENSION_XML

  the extension for the serialized setups (Java serialization)

  See Also:
    Constant Field Values

### s_startupListeners

    public static java.util.Vector s_startupListeners

Constructor Detail

### KnowledgeFlowApp

    public KnowledgeFlowApp(boolean showFileMenu)

  Creates a new `KnowledgeFlowApp` instance.

Method Detail

### loadProperties

    public static void loadProperties()

  Loads KnowledgeFlow properties and any plugins (adds jars to the classpath)

### setEnvironment

    public void setEnvironment(Environment env)

  Set the environment variables to use. NOTE: loading a new layout resets back to the default set of variables

  Parameters:
    `env` -

### clearLayout

    public void clearLayout()

### propertyChange

    public void propertyChange(java.beans.PropertyChangeEvent e)

  Accept property change events

  Specified by:
    `propertyChange` in interface `java.beans.PropertyChangeListener`
  Parameters:
    `e` - a `PropertyChangeEvent` value

### setFlow

    public void setFlow(java.util.Vector v)
                 throws java.lang.Exception

  Set the flow for the KnowledgeFlow to edit. Assumes that client has loaded a Vector of beans and a Vector of connections. the supplied beans and connections are deep-copied via serialization before being set in the layout.

  Parameters:
    `v` - a Vector containing a Vector of beans and a Vector of connections
  Throws:
    `java.lang.Exception` - if something goes wrong

### getFlow

    public java.util.Vector getFlow()
                             throws java.lang.Exception

  Gets the current flow being edited. The flow is returned as a single Vector containing two other Vectors: the beans and the connections. These two vectors are deep-copied via serialization before being returned.

  Returns:
    the current flow being edited
  Throws:
    `java.lang.Exception`

### saveLayout

    public void saveLayout(java.io.OutputStream out)

  Save the knowledge flow into the OutputStream passed at input. Only supports saving the layout data (no trained models) to XML.

  Parameters:
    `out` - the output stream to save the layout in

### getGlobalInfo

    public static java.lang.String getGlobalInfo(java.lang.Object tempBean)

  Utility method for grabbing the global info help (if it exists) from an arbitrary object

  Parameters:
    `tempBean` - the object to grab global info from
  Returns:
    the global help info or null if global info does not exist

### createSingleton

    public static void createSingleton(java.lang.String[] args)

  Create the singleton instance of the KnowledgeFlow

  Parameters:
    `args` - can contain a file argument for loading a flow layout (format: "file=[path to layout file]") Modified by Zerbetto: you can specify the path of a knowledge flow layout file at input

### getSingleton

    public static KnowledgeFlowApp getSingleton()

  Return the singleton instance of the KnowledgeFlow

  Returns:
    the singleton instance

### addStartupListener

    public static void addStartupListener(StartUpListener s)

  Add a listener to be notified when startup is complete

  Parameters:
    `s` - a listener to add

### main

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

  Main method.

  Parameters:
    `args` - a `String[]` value

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