Code/Resource
Windows Develop
Linux-Unix program
Internet-Socket-Network
Web Server
Browser Client
Ftp Server
Ftp Client
Browser Plugins
Proxy Server
Email Server
Email Client
WEB Mail
Firewall-Security
Telnet Server
Telnet Client
ICQ-IM-Chat
Search Engine
Sniffer Package capture
Remote Control
xml-soap-webservice
P2P
WEB(ASP,PHP,...)
TCP/IP Stack
SNMP
Grid Computing
SilverLight
DNS
Cluster Service
Network Security
Communication-Mobile
Game Program
Editor
Multimedia program
Graph program
Compiler program
Compress-Decompress algrithms
Crypt_Decrypt algrithms
Mathimatics-Numerical algorithms
MultiLanguage
Disk/Storage
Java Develop
assembly language
Applications
Other systems
Database system
Embeded-SCM Develop
FlashMX/Flex
source in ebook
Delphi VCL
OS Develop
MiddleWare
MPI
MacOS develop
LabView
ELanguage
Software/Tools
E-Books
Artical/Document
AttributeSelectionPanel.java
Package: Weka-3-2.rar [view]
Upload User: rhdiban
Upload Date: 2013-08-09
Package Size: 15085k
Code Size: 10k
Category:
Windows Develop
Development Platform:
Java
- /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- /*
- * AttributeSelectionPanel.java
- * Copyright (C) 1999 Len Trigg
- *
- */
- package weka.gui;
- import weka.core.Instances;
- import java.awt.Dimension;
- import java.awt.GridLayout;
- import java.awt.BorderLayout;
- import java.awt.event.ActionListener;
- import java.awt.event.ActionEvent;
- import javax.swing.JPanel;
- import javax.swing.JButton;
- import javax.swing.JTable;
- import javax.swing.JScrollPane;
- import javax.swing.ListSelectionModel;
- import javax.swing.table.TableColumnModel;
- import javax.swing.table.AbstractTableModel;
- import javax.swing.BorderFactory;
- /**
- * Creates a panel that displays the attributes contained in a set of
- * instances, letting the user toggle whether each attribute is selected
- * or not (eg: so that unselected attributes can be removed before
- * classification).
- *
- * @author Len Trigg (trigg@cs.waikato.ac.nz)
- * @version $Revision: 1.5 $
- */
- public class AttributeSelectionPanel extends JPanel {
- /**
- * A table model that looks at the names of attributes and maintains
- * a list of attributes that have been "selected".
- */
- class AttributeTableModel extends AbstractTableModel {
- /** The instances who's attribute structure we are reporting */
- protected Instances m_Instances;
- /** The flag for whether the instance will be included */
- protected boolean [] m_Selected;
- /**
- * Creates the tablemodel with the given set of instances.
- *
- * @param instances the initial set of Instances
- */
- public AttributeTableModel(Instances instances) {
- setInstances(instances);
- }
- /**
- * Sets the tablemodel to look at a new set of instances.
- *
- * @param instances the new set of Instances.
- */
- public void setInstances(Instances instances) {
- m_Instances = instances;
- m_Selected = new boolean [m_Instances.numAttributes()];
- includeAll();
- }
- /**
- * Gets the number of attributes.
- *
- * @return the number of attributes.
- */
- public int getRowCount() {
- return m_Selected.length;
- }
- /**
- * Gets the number of columns: 3
- *
- * @return 3
- */
- public int getColumnCount() {
- return 3;
- }
- /**
- * Gets a table cell
- *
- * @param row the row index
- * @param column the column index
- * @return the value at row, column
- */
- public Object getValueAt(int row, int column) {
- switch (column) {
- case 0:
- return new Integer(row + 1);
- case 1:
- return new Boolean(m_Selected[row]);
- case 2:
- return m_Instances.attribute(row).name();
- default:
- return null;
- }
- }
- /**
- * Gets the name for a column.
- *
- * @param column the column index.
- * @return the name of the column.
- */
- public String getColumnName(int column) {
- switch (column) {
- case 0:
- return new String("No.");
- case 1:
- return new String("");
- case 2:
- return new String("Name");
- default:
- return null;
- }
- }
- /**
- * Sets the value at a cell.
- *
- * @param value the new value.
- * @param row the row index.
- * @param col the column index.
- */
- public void setValueAt(Object value, int row, int col) {
- if (col == 1) {
- m_Selected[row] = ((Boolean) value).booleanValue();
- }
- }
- /**
- * Gets the class of elements in a column.
- *
- * @param col the column index.
- * @return the class of elements in the column.
- */
- public Class getColumnClass(int col) {
- return getValueAt(0, col).getClass();
- }
- /**
- * Returns true if the column is the "selected" column.
- *
- * @param row ignored
- * @param col the column index.
- * @return true if col == 1.
- */
- public boolean isCellEditable(int row, int col) {
- if (col == 1) {
- return true;
- }
- return false;
- }
- /**
- * Gets an array containing the indices of all selected attributes.
- *
- * @return the array of selected indices.
- */
- public int [] getSelectedAttributes() {
- int [] r1 = new int[getRowCount()];
- int selCount = 0;
- for (int i = 0; i < getRowCount(); i++) {
- if (m_Selected[i]) {
- r1[selCount++] = i;
- }
- }
- int [] result = new int[selCount];
- System.arraycopy(r1, 0, result, 0, selCount);
- return result;
- }
- /**
- * Sets the state of all attributes to selected.
- */
- public void includeAll() {
- for (int i = 0; i < m_Selected.length; i++) {
- m_Selected[i] = true;
- }
- fireTableRowsUpdated(0, m_Selected.length);
- }
- /**
- * Deselects all attributes.
- */
- public void removeAll() {
- for (int i = 0; i < m_Selected.length; i++) {
- m_Selected[i] = false;
- }
- fireTableRowsUpdated(0, m_Selected.length);
- }
- /**
- * Inverts the selected status of each attribute.
- */
- public void invert() {
- for (int i = 0; i < m_Selected.length; i++) {
- m_Selected[i] = !m_Selected[i];
- }
- fireTableRowsUpdated(0, m_Selected.length);
- }
- }
- /** Press to select all attributes */
- protected JButton m_IncludeAll = new JButton("All");
- /** Press to deselect all attributes */
- protected JButton m_RemoveAll = new JButton("None");
- /** Press to invert the current selection */
- protected JButton m_Invert = new JButton("Invert");
- /** The table displaying attribute names and selection status */
- protected JTable m_Table = new JTable();
- /** The table model containingn attribute names and selection status */
- protected AttributeTableModel m_Model;
- /**
- * Creates the attribute selection panel with no initial instances.
- */
- public AttributeSelectionPanel() {
- m_IncludeAll.setToolTipText("Selects all attributes");
- m_IncludeAll.setEnabled(false);
- m_IncludeAll.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e) {
- m_Model.includeAll();
- }
- });
- m_RemoveAll.setToolTipText("Unselects all attributes");
- m_RemoveAll.setEnabled(false);
- m_RemoveAll.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e) {
- m_Model.removeAll();
- }
- });
- m_Invert.setToolTipText("Inverts the current attribute selection");
- m_Invert.setEnabled(false);
- m_Invert.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e) {
- m_Model.invert();
- }
- });
- m_Table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
- m_Table.setColumnSelectionAllowed(false);
- m_Table.setPreferredScrollableViewportSize(new Dimension(250, 150));
- // Set up the layout
- JPanel p1 = new JPanel();
- p1.setBorder(BorderFactory.createEmptyBorder(10, 5, 10, 5));
- p1.setLayout(new GridLayout(1, 3, 5, 5));
- p1.add(m_IncludeAll);
- p1.add(m_RemoveAll);
- p1.add(m_Invert);
- setLayout(new BorderLayout());
- add(p1, BorderLayout.NORTH);
- add(new JScrollPane(m_Table), BorderLayout.CENTER);
- }
- /**
- * Sets the instances who's attribute names will be displayed.
- *
- * @param newInstances the new set of instances
- */
- public void setInstances(Instances newInstances) {
- if (m_Model == null) {
- m_Model = new AttributeTableModel(newInstances);
- m_Table.setModel(m_Model);
- TableColumnModel tcm = m_Table.getColumnModel();
- tcm.getColumn(0).setMaxWidth(60);
- tcm.getColumn(1).setMaxWidth(tcm.getColumn(1).getMinWidth());
- tcm.getColumn(2).setMinWidth(100);
- } else {
- m_Model.setInstances(newInstances);
- m_Table.clearSelection();
- }
- m_IncludeAll.setEnabled(true);
- m_RemoveAll.setEnabled(true);
- m_Invert.setEnabled(true);
- m_Table.sizeColumnsToFit(2);
- m_Table.revalidate();
- m_Table.repaint();
- }
- /**
- * Gets an array containing the indices of all selected attributes.
- *
- * @return the array of selected indices.
- */
- public int [] getSelectedAttributes() {
- return m_Model.getSelectedAttributes();
- }
- /**
- * Gets the selection model used by the table.
- *
- * @return a value of type 'ListSelectionModel'
- */
- public ListSelectionModel getSelectionModel() {
- return m_Table.getSelectionModel();
- }
- /**
- * Tests the attribute selection panel from the command line.
- *
- * @param args must contain the name of an arff file to load.
- */
- public static void main(String[] args) {
- try {
- if (args.length == 0) {
- throw new Exception("supply the name of an arff file");
- }
- Instances i = new Instances(new java.io.BufferedReader(
- new java.io.FileReader(args[0])));
- AttributeSelectionPanel asp = new AttributeSelectionPanel();
- final javax.swing.JFrame jf =
- new javax.swing.JFrame("Attribute Selection Panel");
- jf.getContentPane().setLayout(new BorderLayout());
- jf.getContentPane().add(asp, BorderLayout.CENTER);
- jf.addWindowListener(new java.awt.event.WindowAdapter() {
- public void windowClosing(java.awt.event.WindowEvent e) {
- jf.dispose();
- System.exit(0);
- }
- });
- jf.pack();
- jf.setVisible(true);
- asp.setInstances(i);
- } catch (Exception ex) {
- ex.printStackTrace();
- System.err.println(ex.getMessage());
- }
- }
- } // AttributeSelectionPanel