ruleui.java

人工智能中Agent开发包。多 Agent 系统是处理自治 Agent 之间知识层的协作问题

/*
* The contents of this file are subject to the BT "ZEUS" Open Source 
* Licence (L77741), Version 1.0 (the "Licence"); you may not use this file 
* except in compliance with the Licence. You may obtain a copy of the Licence
* from $ZEUS_INSTALL/licence.html or alternatively from
* http://www.labs.bt.com/projects/agents/zeus/licence.htm
* 
* Except as stated in Clause 7 of the Licence, software distributed under the
* Licence is distributed WITHOUT WARRANTY OF ANY KIND, either express or 
* implied. See the Licence for the specific language governing rights and 
* limitations under the Licence.
* 
* The Original Code is within the package zeus.*.
* The Initial Developer of the Original Code is British Telecommunications
* public limited company, whose registered office is at 81 Newgate Street, 
* London, EC1A 7AJ, England. Portions created by British Telecommunications 
* public limited company are Copyright 1996-9. All Rights Reserved.
* 
* THIS NOTICE MUST BE INCLUDED ON ANY COPY OF THIS FILE
*/



package zeus.generator.task.rulebase;

import javax.swing.*;
import javax.swing.table.*;
import javax.swing.event.*;
import javax.swing.border.* ;
import javax.swing.text.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.io.*;

import zeus.util.*;
import zeus.concepts.*;
import zeus.generator.util.*;
import zeus.rete.Action;
import zeus.gui.fields.*;


public class RuleUI  extends JPanel
                     implements  ListSelectionListener,
                                 FocusListener,
                                 ActionListener  {

   private JPanel  contentPane;
   private JTable  ruleTable;
   private JScrollPane ruleSP,lhsSP,rhsSP;
   private JTextArea lhsArea,rhsArea;
   private RuleModel ruleBuffer;
   private JComboBox predicateList, actionList, functionList;
   private JButton predicateBtn, actionBtn, functionBtn;
   protected FactPanel factPanel;
   protected boolean lhsFocus, rhsFocus;
   protected JMenuItem fsave, fexit;
   protected OntologyDb db = null;
   protected ReteKB kb = null;

   private final int WIDTH = 640;
   private final int HEIGHT = 480;
   private final int LWIDTH = 300;
   private final int LHEIGHT = 250;
   private  JFrame frame;

   protected String[] precedenceWds = zeus.rete.Action.types;
   protected String[] booleanWds = {"not","test"};
   protected Vector   methodValues;

   protected SimpleAttributeSet boolFmt, preFmt, methFmt, plainFmt;

//---------------------------------------------------------------------------
      public RuleUI(OntologyDb db, Editor editor,
                    ReteKB kb, Vector methodValues) {

         this.methodValues = methodValues;
         this.db = db;
         this.kb = kb;

         ruleBuffer = new RuleModel(kb,db);
         ruleBuffer.addChangeListener(editor);

         GridBagLayout gridBagLayout = new GridBagLayout();
         GridBagConstraints gbc = new GridBagConstraints();
         setLayout(gridBagLayout);
         setBackground(Color.lightGray);
         setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED));

	 // Add the control panel
         ControlPanel controlPane =
            new ControlPanel(editor,"Rulebase Editor",true,true);
         gbc.gridwidth = GridBagConstraints.REMAINDER;
         gbc.anchor = GridBagConstraints.NORTHWEST;
         gbc.fill = GridBagConstraints.HORIZONTAL;
         gbc.insets = new Insets(8,8,8,8);
         gbc.weightx = gbc.weighty = 0;
         gridBagLayout.setConstraints(controlPane,gbc);
         add(controlPane);

         // Add the panel that will contain the task's nodes
         JPanel dataPanel = new JPanel();
         gbc.gridwidth = GridBagConstraints.REMAINDER;
         gbc.anchor = GridBagConstraints.NORTHWEST;
         gbc.fill = GridBagConstraints.BOTH;
         gbc.weightx = gbc.weighty = 1;
         gbc.insets = new Insets(8,8,8,8);
         gridBagLayout.setConstraints(dataPanel,gbc);
         add(dataPanel);

         gridBagLayout = new GridBagLayout();
         gbc = new GridBagConstraints();
         dataPanel.setLayout(gridBagLayout);
         dataPanel.setBackground(Color.lightGray);
//         dataPanel.setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED));

         JToolBar toolbar = new RuleToolBar();
	 gbc.gridwidth = GridBagConstraints.REMAINDER;
         gbc.anchor = GridBagConstraints.NORTHWEST;
         gbc.fill = GridBagConstraints.NONE;
         gbc.insets = new Insets(0,8,0,0);
         gbc.weightx = gbc.weighty = 0;
         gridBagLayout.setConstraints(toolbar,gbc);
         dataPanel.add(toolbar);

     // Create data info area     
         TableColumnModel tm = new DefaultTableColumnModel();     
         TableColumn column = new TableColumn(RuleModel.RULE,12);
         column.setHeaderValue(ruleBuffer.getColumnName(RuleModel.RULE));
         tm.addColumn(column);
         column = new TableColumn(RuleModel.PRIORITY,12,     
            new DefaultTableCellRenderer(),
            new DefaultCellEditor(new WholeNumberField(zeus.rete.Rule.MIN_SALIENCE,
               zeus.rete.Rule.MAX_SALIENCE)));
         column.setHeaderValue(ruleBuffer.getColumnName(RuleModel.PRIORITY));
         tm.addColumn(column);
    
         ruleTable = new JTable(ruleBuffer,tm);
         ruleTable.getTableHeader().setReorderingAllowed(false);
         ruleTable.setColumnSelectionAllowed(false);

         ruleSP = new JScrollPane(ruleTable);
         ruleSP.setPreferredSize(new Dimension(400,150));
         ruleTable.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
         ruleTable.getSelectionModel().addListSelectionListener(this);

         gbc.gridwidth = GridBagConstraints.REMAINDER;
         gbc.anchor = GridBagConstraints.NORTHWEST;
         gbc.fill = GridBagConstraints.HORIZONTAL;
         gbc.weightx = gbc.weighty = 0;
         gbc.insets = new Insets(8,8,0,8);
         gridBagLayout.setConstraints(ruleSP,gbc);
         dataPanel.add(ruleSP);

         JPanel panel = getIfThenPanel();
	 gbc.gridwidth = 1;
         gbc.anchor = GridBagConstraints.NORTHWEST;
         gbc.fill = GridBagConstraints.BOTH;
         gbc.weightx = gbc.weighty = 1;
         gbc.insets = new Insets(8,8,8,0);
         gridBagLayout.setConstraints(panel,gbc);
         dataPanel.add(panel);

         panel = getUtilitiesPanel();
	 gbc.gridwidth = GridBagConstraints.REMAINDER;
         gbc.anchor = GridBagConstraints.NORTHWEST;
         gbc.fill = GridBagConstraints.VERTICAL;
         gbc.weightx = gbc.weighty = 0;
         gbc.insets = new Insets(8,8,8,8);
         gridBagLayout.setConstraints(panel,gbc);
         dataPanel.add(panel);

	 lhsFocus = false;
         rhsFocus  = false;
//         setTextFormats();
//         setPreferredSize(new Dimension(WIDTH,HEIGHT));
      }

//---------------------------------------------------------------------------
      public void save() {
	 kb.setRules(ruleBuffer.getData());
      }
//---------------------------------------------------------------------------
      void setTextFormats(){
          boolFmt = new SimpleAttributeSet();
          StyleConstants.setForeground(boolFmt,Color.red);
          preFmt = new SimpleAttributeSet();
          StyleConstants.setForeground(preFmt,Color.blue);
          methFmt = new SimpleAttributeSet();
          StyleConstants.setForeground(methFmt,Color.green);
          plainFmt = new SimpleAttributeSet();
          StyleConstants.setForeground(plainFmt,Color.black);

      }
//---------------------------------------------------------------------------
      void createFrame(){
        frame = new JFrame("Rule Editor");
        frame.getContentPane().add(this);
        frame.addWindowListener(
           new WindowAdapter() {
              public void windowClosing(WindowEvent evt) { System.exit(0); }
           }
        );
        JMenuBar menuBar = new JMenuBar();
        JMenu fMenu = new JMenu("File");
        menuBar.add(fMenu);
        fsave = new JMenuItem("Save");
        fsave.addActionListener(this);
        fMenu.add(fsave);
        fexit = new JMenuItem("Exit");
        fexit.addActionListener(this);
        fMenu.add(fexit);
        frame.setJMenuBar(menuBar);
        frame.pack();
        frame.show();
     }

//---------------------------------------------------------------------------
      class RuleToolBar extends JToolBar implements ActionListener{
        protected JButton       newBtn;
        protected JButton       deleteBtn;

        public RuleToolBar() {
          setBackground(java.awt.Color.lightGray);
          setBorder( new BevelBorder(BevelBorder.LOWERED ) );
          setFloatable(false);

          String sep = System.getProperty("file.separator");
          String path = SystemProps.getProperty("gif.dir") + "generator" + sep;

          // New Button
          newBtn = new JButton(new ImageIcon(path + "new1.gif"));
      	  newBtn.setMargin(new Insets(0,0,0,0));
          add(newBtn);
          newBtn.setToolTipText("New rule");
          newBtn.addActionListener(this);

          // Delete Button
          deleteBtn = new JButton(new ImageIcon(path + "delete1.gif"));
	  deleteBtn.setMargin(new Insets(0,0,0,0));
          add(deleteBtn);
          deleteBtn.setToolTipText("Delete");
          deleteBtn.addActionListener(this);

         }
          public void actionPerformed(ActionEvent e)  {
            Object src = e.getSource();
            if ( src == newBtn ) {
               ruleBuffer.addRule();
            }
            else if ( src == deleteBtn ) {
              int row = ruleTable.getSelectedRow();
              if (row != -1 && row <= ruleBuffer.getRowCount())
                 ruleBuffer.deleteRule(row);
              ruleTable.clearSelection();
              lhsArea.setText("");
              rhsArea.setText("");
            }
          }

      }
//---------------------------------------------------------------------------
      JPanel getUtilitiesPanel() {
         JPanel panel = new JPanel();
         GridBagLayout gridBagLayout = new GridBagLayout();
         GridBagConstraints gbc = new GridBagConstraints();
         panel.setLayout(gridBagLayout);
         panel.setBackground(Color.lightGray);
//         panel.setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED));

         functionBtn = new JButton("Insert Function");
         functionBtn.addActionListener(this);
         functionBtn.setToolTipText("Click to insert selected function");
	 gbc.gridwidth = 1;
         gbc.anchor = GridBagConstraints.WEST;
         gbc.fill = GridBagConstraints.HORIZONTAL;
         gbc.insets = new Insets(8,8,0,0);
         gridBagLayout.setConstraints(functionBtn,gbc);
         panel.add(functionBtn);

         functionList = new JComboBox(methodValues) {
            public void contentsChanged(ListDataEvent e) {
               selectedItemReminder = null;
               super.contentsChanged(e);
            }
         };
         functionList.addActionListener(this);
         functionList.setForeground(Color.green);
	 gbc.gridwidth = GridBagConstraints.REMAINDER;
         gbc.anchor = GridBagConstraints.WEST;
         gbc.fill = GridBagConstraints.HORIZONTAL;
         gbc.insets = new Insets(8,8,0,0);
         gridBagLayout.setConstraints(functionList,gbc);
         panel.add(functionList);