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## weka.gui
Class EnsembleLibraryEditor

    java.lang.Object
      weka.gui.EnsembleLibraryEditor

All Implemented Interfaces:
  java.beans.PropertyEditor

Direct Known Subclasses:
  EnsembleSelectionLibraryEditor

    public class EnsembleLibraryEditor

extends java.lang.Object
implements java.beans.PropertyEditor

Class for editing Library objects. Brings up a custom editing panel for the user to edit the library model list, as well as save load libraries from files.

A model list file is simply a flat file with a single classifier on each line. Each of these classifier is represented by the command line string that would be used to create that specific model with the specified set of paramters.

This code in class is based on other custom editors in weka.gui such as the CostMatrixEditor to try and maintain some consistency throughout the package.

Version:
  $Revision: 1.1 $
Author:
  Robert Jung (mrbobjung@gmail.com)

Constructor Summary
`EnsembleLibraryEditor()` Constructs a new LibraryEditor.

Method Summary
`void` | `addPropertyChangeListener(java.beans.PropertyChangeListener listener)` Adds an object to the list of those that wish to be informed when the library changes.
`static java.awt.Component` | `createGenericObjectRenderer(GenericObjectEditor classifierEditor)` This is a helper function that creates a renderer for GenericObjects
`java.lang.String` | `getAsText()` Some objects can be represented as text, but a library cannot.
`java.awt.Component` | `getCustomEditor()` Gets a GUI component with which the user can edit the cost matrix.
`static java.awt.Component` | `getDefaultRenderer(java.beans.PropertyEditor nodeEditor)` This is a helper function that creates a renderer for Default Objects.
`static java.lang.Object` | `getEditorValue(java.lang.Object source)` This method handles the different object editor types in weka to obtain their current values.
`java.lang.String` | `getJavaInitializationString()` Returns the Java code that generates an object the same as the one being edited.
`java.lang.String[]` | `getTags()` Some objects can return tags, but a cost matrix cannot.
`java.lang.Object` | `getValue()` Gets the cost matrix that is being edited.
`boolean` | `isPaintable()` Indicates whether the object can be represented graphically.
`static void` | `main(java.lang.String[] args)` This is a simple main method that lets you run a LibraryEditor on its own without having to deal with the Explorer, etc...
`void` | `paintValue(java.awt.Graphics gfx, java.awt.Rectangle box)` Paints a graphical representation of the Object.
`void` | `removePropertyChangeListener(java.beans.PropertyChangeListener listener)` Removes an object from the list of those that wish to be informed when the cost matrix changes.
`void` | `setAsText(java.lang.String text)` Some objects can be represented as text, but a library cannot.
`void` | `setValue(java.lang.Object value)` Sets the value of the Library to be edited.
`boolean` | `supportsCustomEditor()` Indicates whether the library can be edited in a GUI, which it can.

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

Constructor Detail

### EnsembleLibraryEditor

    public EnsembleLibraryEditor()

  Constructs a new LibraryEditor.

Method Detail

### setValue

    public void setValue(java.lang.Object value)

  Sets the value of the Library to be edited.

  Specified by:
    `setValue` in interface `java.beans.PropertyEditor`
  Parameters:
    `value` - a Library object to be edited

### getValue

    public java.lang.Object getValue()

  Gets the cost matrix that is being edited.

  Specified by:
    `getValue` in interface `java.beans.PropertyEditor`
  Returns:
    the edited CostMatrix object

### isPaintable

    public boolean isPaintable()

  Indicates whether the object can be represented graphically. In this case it can.

  Specified by:
    `isPaintable` in interface `java.beans.PropertyEditor`
  Returns:
    true

### paintValue

    public void paintValue(java.awt.Graphics gfx,
                           java.awt.Rectangle box)

  Paints a graphical representation of the Object. For the ensemble library it prints out the working directory as well as the number of models in the library

  Specified by:
    `paintValue` in interface `java.beans.PropertyEditor`
  Parameters:
    `gfx` - the graphics context to draw the representation to
    `box` - the bounds within which the representation should fit.

### getJavaInitializationString

    public java.lang.String getJavaInitializationString()

  Returns the Java code that generates an object the same as the one being edited. Unfortunately this can't be done in a single line of code, so the code returned will only build a default cost matrix of the same size.

  Specified by:
    `getJavaInitializationString` in interface `java.beans.PropertyEditor`
  Returns:
    the initialization string

### getAsText

    public java.lang.String getAsText()

  Some objects can be represented as text, but a library cannot.

  Specified by:
    `getAsText` in interface `java.beans.PropertyEditor`
  Returns:
    null

### setAsText

    public void setAsText(java.lang.String text)

  Some objects can be represented as text, but a library cannot.

  Specified by:
    `setAsText` in interface `java.beans.PropertyEditor`
  Parameters:
    `text` - ignored
  Throws:
    `always` - throws an IllegalArgumentException

### getTags

    public java.lang.String[] getTags()

  Some objects can return tags, but a cost matrix cannot.

  Specified by:
    `getTags` in interface `java.beans.PropertyEditor`
  Returns:
    null

### getCustomEditor

    public java.awt.Component getCustomEditor()

  Gets a GUI component with which the user can edit the cost matrix.

  Specified by:
    `getCustomEditor` in interface `java.beans.PropertyEditor`
  Returns:
    an editor GUI component

### supportsCustomEditor

    public boolean supportsCustomEditor()

  Indicates whether the library can be edited in a GUI, which it can.

  Specified by:
    `supportsCustomEditor` in interface `java.beans.PropertyEditor`
  Returns:
    true

### addPropertyChangeListener

    public void addPropertyChangeListener(java.beans.PropertyChangeListener listener)

  Adds an object to the list of those that wish to be informed when the library changes.

  Specified by:
    `addPropertyChangeListener` in interface `java.beans.PropertyEditor`
  Parameters:
    `listener` - a new listener to add to the list

### removePropertyChangeListener

    public void removePropertyChangeListener(java.beans.PropertyChangeListener listener)

  Removes an object from the list of those that wish to be informed when the cost matrix changes.

  Specified by:
    `removePropertyChangeListener` in interface `java.beans.PropertyEditor`
  Parameters:
    `listener` - the listener to remove from the list

### getEditorValue

    public static java.lang.Object getEditorValue(java.lang.Object source)

  This method handles the different object editor types in weka to obtain their current values.

  Parameters:
    `source` - an Editor
  Returns:
    the value of the editor

### getDefaultRenderer

    public static java.awt.Component getDefaultRenderer(java.beans.PropertyEditor nodeEditor)

  This is a helper function that creates a renderer for Default Objects. These are basically objects that are not numeric, nominal, or generic objects. These are objects that we don't want to do anything special with and just display their values as normal. We simply create the editor the same way that they would have been created in the PropertySheetPanel class.

  Parameters:
    `nodeEditor` - the editor created for the defaultNode
  Returns:
    the Component to dispaly the defaultNode

### createGenericObjectRenderer

    public static java.awt.Component createGenericObjectRenderer(GenericObjectEditor classifierEditor)

  This is a helper function that creates a renderer for GenericObjects

  Parameters:
    `classifierEditor` - the editor created for this
  Returns:
    object renderer

### main

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

  This is a simple main method that lets you run a LibraryEditor on its own without having to deal with the Explorer, etc... This is useful only for building model lists.

  Parameters:
    `args` - the commandline arguments

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