constraintspanel.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
*/



/****************************************************************************
* ConstraintsPanel.java
*
* Panel through which task constraints are entered
***************************************************************************/

package zeus.generator.task;

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

import zeus.util.*;
import zeus.concepts.*;
import zeus.generator.*;
import zeus.generator.util.*;
import zeus.gui.fields.*;
import zeus.gui.editors.*;
import zeus.gui.help.*;

public class ConstraintsPanel extends JPanel {
  static final String[] ERROR_MESSAGE = {
     /* 0 */ "Please select a row before\ncalling this operation"
  };

  protected Task             task;
  protected JTable           constraintsTable;
  protected JTable           orderingTable;
  protected OrderingModel    orderingModel;
  protected ConstraintsModel constraintsModel;
  protected BasicFactModel   precondsModel;
  protected BasicFactModel   postcondsModel;

  public ConstraintsPanel(AgentGenerator generator,
                          GeneratorModel genmodel,
                          OntologyDb ontologyDb,
                          TaskEditor editor,
                          Task task,
                          BasicFactModel precondsModel,
                          BasicFactModel postcondsModel)  {

    this.task = task;
    this.precondsModel = precondsModel;
    this.postcondsModel = postcondsModel;

    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,"Task Constraints",false,true);
    gbc.gridwidth = GridBagConstraints.REMAINDER;
    gbc.anchor = GridBagConstraints.NORTHWEST;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.insets = new Insets(8,8,8,8);
    gridBagLayout.setConstraints(controlPane,gbc);
    add(controlPane);

    JPanel orderingPanel = null;
    if ( task.isPrimitive() ) {
       orderingPanel = new JPanel();
       gbc.gridwidth = GridBagConstraints.REMAINDER;
       gbc.anchor = GridBagConstraints.WEST;
       gbc.fill = GridBagConstraints.BOTH;
       gbc.insets = new Insets(8,8,8,8);
       gridBagLayout.setConstraints(orderingPanel,gbc);
       add(orderingPanel);
    }

    // Add the panel containing the task's applicability constraints
    // to this panel.
    JPanel constraintsPanel = new JPanel();
    gbc.anchor = GridBagConstraints.NORTHWEST;
    gbc.fill = GridBagConstraints.BOTH;
    gbc.weightx = gbc.weighty = 1;
       gbc.insets = new Insets(8,8,8,8);
    gridBagLayout.setConstraints(constraintsPanel,gbc);
    add(constraintsPanel);

    TableColumnModel tm;
    TableColumn column;
    ValidatingCellRenderer renderer;
    TitledBorder border;
    JToolBar toolbar;
    JScrollPane scrollPane;

    // Ordering panel info

    if ( task.isPrimitive() ) {
       orderingModel = new OrderingModel(precondsModel,((PrimitiveTask)task).getOrdering());
       orderingModel.addChangeListener(editor);

       tm = new DefaultTableColumnModel();
       renderer = new ValidatingCellRenderer(orderingModel);
       OrderingCellEditor cellEditor = new OrderingCellEditor();
       column = new TableColumn(OrderingModel.BEFORE,12,renderer,cellEditor);
       column.setHeaderValue(orderingModel.getColumnName(OrderingModel.BEFORE));
       tm.addColumn(column);
       column = new TableColumn(OrderingModel.AFTER,12,renderer,cellEditor);
       column.setHeaderValue(orderingModel.getColumnName(OrderingModel.AFTER));
       tm.addColumn(column);

       orderingTable = new JTable(orderingModel,tm);
       orderingTable.getTableHeader().setReorderingAllowed(false);
       orderingTable.setColumnSelectionAllowed(false);

       toolbar = new OrderingToolBar();

       border = BorderFactory.createTitledBorder("Preconditions Ordering Constraints");
       border.setTitlePosition(TitledBorder.TOP);
       border.setTitleJustification(TitledBorder.RIGHT);
       border.setTitleFont(new Font("Helvetica", Font.BOLD, 14));
       border.setTitleColor(Color.blue);
       orderingPanel.setBorder(border);

       gridBagLayout = new GridBagLayout();
       orderingPanel.setLayout(gridBagLayout);
       orderingPanel.setBackground(Color.lightGray);

       scrollPane = new JScrollPane(orderingTable);
       scrollPane.setBorder(new BevelBorder(BevelBorder.LOWERED));
       scrollPane.setPreferredSize(new Dimension(340,150));
       orderingTable.setBackground(Color.white);

       orderingTable.setMinimumSize(new Dimension(400,200));

       gbc = new GridBagConstraints();
       gbc.anchor = GridBagConstraints.WEST;
       gbc.fill = GridBagConstraints.NONE;
       gbc.gridwidth = GridBagConstraints.REMAINDER;
       gbc.insets = new Insets(0,8,0,0);
       gridBagLayout.setConstraints(toolbar,gbc);
       orderingPanel.add(toolbar);

       gbc = new GridBagConstraints();
       gbc.gridwidth = GridBagConstraints.REMAINDER;
       gbc.anchor = GridBagConstraints.WEST;
       gbc.fill = GridBagConstraints.BOTH;
       gbc.weightx = gbc.weighty = 1;
       gbc.insets = new Insets(8,8,8,8);
       gridBagLayout.setConstraints(scrollPane,gbc);
       orderingPanel.add(scrollPane);
    }

    // Add constraintsPanel info;

    constraintsModel = new ConstraintsModel(
       precondsModel,postcondsModel,task.getConstraints());
    constraintsModel.addChangeListener(editor);

    ExpressionCellEditor cellEditor1 = new ExpressionCellEditor(constraintsModel);
    cellEditor1.addMouseListener(new SymMouseAction());
    renderer = new ValidatingCellRenderer(constraintsModel);
    tm = new DefaultTableColumnModel();
    column = new TableColumn(ConstraintsModel.CONSTRAINT,12,
       renderer, cellEditor1);
    column.setHeaderValue(constraintsModel.getColumnName(ConstraintsModel.CONSTRAINT));
    tm.addColumn(column);

    constraintsTable = new JTable(constraintsModel,tm);
    constraintsTable.getTableHeader().setReorderingAllowed(false);
    constraintsTable.setColumnSelectionAllowed(false);

    toolbar = new ConstraintsToolBar();

    border = BorderFactory.createTitledBorder("Task Applicability Constraints");
    border.setTitlePosition(TitledBorder.TOP);
    border.setTitleJustification(TitledBorder.RIGHT);
    border.setTitleFont(new Font("Helvetica", Font.BOLD, 14));
    border.setTitleColor(Color.blue);
    constraintsPanel.setBorder(border);

    gridBagLayout = new GridBagLayout();
    constraintsPanel.setLayout(gridBagLayout);
    constraintsPanel.setBackground(Color.lightGray);

    scrollPane = new JScrollPane(constraintsTable);
    scrollPane.setBorder(new BevelBorder(BevelBorder.LOWERED));
    scrollPane.setPreferredSize(new Dimension(340,150));
    constraintsTable.setBackground(Color.white);

    constraintsTable.setMinimumSize(new Dimension(400,200));
//    constraintsTable.setPreferredSize(new Dimension(400,200));

    gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.WEST;
    gbc.fill = GridBagConstraints.NONE;
    gbc.gridwidth = GridBagConstraints.REMAINDER;
    gbc.insets = new Insets(0,8,0,0);
    gridBagLayout.setConstraints(toolbar,gbc);
    constraintsPanel.add(toolbar);

    gbc = new GridBagConstraints();
    gbc.gridwidth = GridBagConstraints.REMAINDER;
    gbc.anchor = GridBagConstraints.WEST;
    gbc.fill = GridBagConstraints.BOTH;
    gbc.weightx = gbc.weighty = 1;
    gbc.insets = new Insets(8,8,8,8);
    gridBagLayout.setConstraints(scrollPane,gbc);