algorithmmodifydialog.java

数据挖掘的工具代码（包含fp-tree,appriory

/*

ARMiner - Association Rules Miner
Copyright (C) 2000  UMass/Boston - Computer Science Department


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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA


The ARMiner Server was written by Dana Cristofor and Laurentiu
Cristofor.

The ARMiner Client was written by Abdelmajid Karatihy, Xiaoyong Kuang,
and Lung-Tsung Li.


The ARMiner package is currently maintained by Laurentiu Cristofor
([e-mail]).

*/

/*
  
   This file is a part of the ARMiner project.
   
   (P)1999-2000 by ARMiner Client Team:

   Abdelmajid Karatihy
   Xiaoyong Kuang
   Lung-Tsung Li

*/

import javax.swing.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;

/*

  Maintenance log started on November 20th, 2000 by Laurentiu Cristofor

  Nov. 20th, 2000   - made some style changes

  Nov. 21st, 2000   - resized and repositioned widgets

*/ 

/**
 * AlgorithmModifyDialog.java<P>
 * 
 * Create a dialog to allow the user to be able to change an algorithm's
 * associated group or delete an algorithm from the system catalog.
 * 
 */

public class AlgorithmModifyDialog extends CenteredDialog
{
  /** Initializes the Form */
  public AlgorithmModifyDialog(javax.swing.JFrame parent, 
			       boolean modal, 
			       Vector algorithms, Vector groups) 
  {
    super (parent,"Modify/Delete Algorithms", modal);
    this.parent = parent;
    setSize(430,300);
    this.algorithms = algorithms;
    this.groups = groups;
    initComponents ();
    setLocation(getDialogCenteredLoc(parent));
    setResizable(false);
  }

  /** This method is called from within the constructor to
   * initialize the form.
   * WARNING: Do NOT modify this code. The content of this method is
   * always regenerated by the FormEditor.
   */
  private void initComponents () 
  {//GEN-BEGIN:initComponents
    //setBackground (new java.awt.Color (204, 204, 204));
    addWindowListener (new java.awt.event.WindowAdapter () {
        public void windowClosing (java.awt.event.WindowEvent evt) {
          closeDialog (evt);
        }
      });
    getContentPane ().setLayout (new com.netbeans.developer.awt.AbsoluteLayout ());
    getContentPane().add (new javax.swing.JLabel("Algorithms Available:"), 
			  new com.netbeans.developer.awt.AbsoluteConstraints (40, 90, 140, 30));
    
    jcbAlgList = new javax.swing.JComboBox (algorithms);
    jcbAlgList.setMaximumRowCount(6);
    jcbAlgList.addActionListener (new java.awt.event.ActionListener () {
        public void actionPerformed (java.awt.event.ActionEvent evt) {
          jcbAlgListActionPerformed (evt);
        }
      });
    
    getContentPane ().add (jcbAlgList, new com.netbeans.developer.awt.AbsoluteConstraints (40, 120, 140, 25));
    
    jbtnDelete = new javax.swing.JButton ("Delete");
    jbtnDelete.setMnemonic(KeyEvent.VK_D);
    jbtnDelete.addActionListener (new java.awt.event.ActionListener () {
        public void actionPerformed (java.awt.event.ActionEvent evt) {
          jbtnDeleteActionPerformed (evt);
        }
      });
    
    getContentPane ().add (jbtnDelete, new com.netbeans.developer.awt.AbsoluteConstraints (40, 20, 85, 25));
    
    jbtnSave = new javax.swing.JButton ("Save");
    jbtnSave.setMnemonic(KeyEvent.VK_S);
    jbtnSave.addActionListener (new java.awt.event.ActionListener () {
        public void actionPerformed (java.awt.event.ActionEvent evt) {
          jbtnSaveActionPerformed (evt);
        }
      });
    getContentPane ().add (jbtnSave, new com.netbeans.developer.awt.AbsoluteConstraints (130, 20, 85, 25));
    
    jbtnClose = new javax.swing.JButton ("Close");
    jbtnClose.setMnemonic(KeyEvent.VK_C);
    jbtnClose.addActionListener (new java.awt.event.ActionListener () {
        public void actionPerformed (java.awt.event.ActionEvent evt) {
          jbtnCloseActionPerformed (evt);
        }
      });
    getContentPane ().add (jbtnClose, new com.netbeans.developer.awt.AbsoluteConstraints (310, 20, 85, 25));
    
    getContentPane ().add (new javax.swing.JLabel("Group Access:"), new com.netbeans.developer.awt.AbsoluteConstraints (255, 90, 140, 30));
    
    jcbGroupList = new javax.swing.JComboBox (groups);
    jcbGroupList.setMaximumRowCount(6);
    getContentPane ().add (jcbGroupList, new com.netbeans.developer.awt.AbsoluteConstraints (255, 120, 140, 25));
    selectedAlg = (String)algorithms.get(0);
    jcbGroupList.setSelectedItem(getAlgGroup(selectedAlg));
    
    jbtnRefresh = new javax.swing.JButton ("Refresh");
    jbtnRefresh.setMnemonic(KeyEvent.VK_R);
    jbtnRefresh.addActionListener (new java.awt.event.ActionListener () {
        public void actionPerformed (java.awt.event.ActionEvent evt) {
          jbtnRefreshActionPerformed (evt);
        }
      });
    getContentPane ().add (jbtnRefresh, new com.netbeans.developer.awt.AbsoluteConstraints (220, 20, 85, 25));
  }//GEN-END:initComponents
  
  private void jbtnSaveActionPerformed (java.awt.event.ActionEvent evt) 
  {//GEN-FIRST:event_jbtnSaveActionPerformed
    // Add your handling code here:
    Vector request = new Vector();
    int indexAlg = jcbAlgList.getSelectedIndex();
    
    if(indexAlg < 0 )
      {
	JOptionPane.showMessageDialog(this, "Must select an algorithm to modify.");
	return;
      }
    int indexGrp = jcbGroupList.getSelectedIndex();
    if(indexGrp < 0 )
      {
	JOptionPane.showMessageDialog(this, "Must select a group to modify.");
	return;
      }
    String alg = (String)jcbAlgList.getSelectedItem(); 
    request.add(alg);
    String grp = (String)jcbGroupList.getSelectedItem(); 
    if(grp.equals(selectedGroup) == true)
      {
	JOptionPane.showMessageDialog(this, "The " + alg + " 's group doesn't get changed. Transaction aborted!");
	return;
      }
    request.add(grp);
    try
      {
	Client.modifyAlgorithms(request);
	JOptionPane.showMessageDialog(this, "The " + alg + " 's group access has been successfully modified to " + grp);

	refresh();
	repaint();
      }
    catch(ClientErrorException e)
      {
	JOptionPane.showMessageDialog(this, "AlgorithmModify: Client Error in modifying algorithms from DBConfig:\n " + e.toString() + "\nTransaction aborted!");
	return;
      }
  }//GEN-LAST:event_jbtnSaveActionPerformed
  
  private void jbtnCloseActionPerformed (java.awt.event.ActionEvent evt) 
  {//GEN-FIRST:event_jbtnCloseActionPerformed
    // Add your handling code here:
    setVisible(false);
    dispose ();
    parent.repaint();
  }//GEN-LAST:event_jbtnCloseActionPerformed

  private void jcbAlgListActionPerformed (java.awt.event.ActionEvent evt) 
  {//GEN-FIRST:jcbAlgListActionPerformed
    if(isReload == true)
      return;
    selectedAlg = (String)jcbAlgList.getSelectedItem();
    if(selectedAlg == null)
      return;
    String grp = getAlgGroup(selectedAlg);
    //if(grp == null)
    //  return;
    jcbGroupList.setSelectedItem(grp);
  }//GEN-LAST:jcbAlgListActionPerformed

  private String getAlgGroup(String alg)
  {
    try
      {
	//System.out.println("getting group for " + alg);
	selectedGroup = Client.dbConfig.getAlgorithmGroup(alg);
	return selectedGroup; 
      }
    catch(DBConfigException e)
      {
	JOptionPane.showMessageDialog(this, "AlgorithmModifyDialog: Error in getting algorithm group from DBConfig: " + e.toString());
	return null;
      }
  }  
	
  private void refresh()
  {
    try
      {
	Client.getDBConfig1();
      }
    catch(ClientErrorException e)
      {
	JOptionPane.showMessageDialog(this, "AlgorithmModify: Client Error in getting DBConfig:\n " + e.toString() + "\nTransaction aborted!");
	return;
      }
    
    try
      {
	copy(Client.dbConfig.listGroups(Client.userName),groups);
	refGroups = (Vector)groups.clone();
	//System.out.println("In refresh refGroups after clone " + refGroups.toString());
      }
    catch(DBConfigException e)
      {
	JOptionPane.showMessageDialog(this, "AlgorithmModify: Client Error in getting groups from DBConfig:\n " + e.toString() + "\nTransaction aborted!");
	return;
      }
    try
      {
	Vector v1 = Client.dbConfig.listAlgorithms(Client.userName);
	//System.out.println(v1);
	copy(Client.dbConfig.listAlgorithms(Client.userName),algorithms);
	//System.out.println(algorithms);
	refAlgs = (Vector)algorithms.clone();
      }
    catch(DBConfigException e)
      {
	JOptionPane.showMessageDialog(this, "AlgorithmModify: Client Error in getting algorithms from DBConfig:\n " + e.toString() + "\nTransaction aborted!");
	return;
      }
  }
  
  private void copy(Vector v1, Vector v2)
  {
    v2.clear();
    for(int i = 0; i < v1.size(); i++)
      v2.add(v1.get(i));
    return;
  }
	
  private void jbtnDeleteActionPerformed (java.awt.event.ActionEvent evt) 
  {//GEN-FIRST:event_jbtnDeleteActionPerformed
    // Add your handling code here:
    Vector request = new Vector();
    int index = jcbAlgList.getSelectedIndex();
    if(index < 0)
      {
	JOptionPane.showMessageDialog(this, "Must select an algorithm to delete.");
	return;
      }
    
    selectedAlg = (String)jcbAlgList.getSelectedItem();
    request.add(selectedAlg);
    //System.out.println(selectedAlg);
    try
      {
	Client.deleteAlgorithms(request);
	JOptionPane.showMessageDialog(this, "The algorithm " + selectedAlg + " has been succesfully deleted.");
	algorithms.remove(selectedAlg);
	jcbAlgList.setSelectedIndex(0);
	repaint();
      }
    catch(ClientErrorException e)
      {
	JOptionPane.showMessageDialog(this, "AlgorithmModify: Client Error in deleting algorithms from DBConfig:\n " + e.toString() + "\nTransaction aborted!");
	return;
      }
  }//GEN-LAST:event_jbtnDeleteActionPerformed
  
  private void jbtnRefreshActionPerformed (java.awt.event.ActionEvent evt) 
  {//GEN-FIRST:event_jbtnRefreshActionPerformed
    // Add your handling code here:
    refresh();
    if(!algorithms.contains(selectedAlg))
      {
	JOptionPane.showMessageDialog(this, "AlgorithmModify: the selected algorithm " + selectedAlg + " is likely to have been removed by another user.");
	jcbAlgList.setSelectedIndex(0);
	selectedAlg = (String)jcbAlgList.getSelectedItem();
	jcbGroupList.setSelectedItem(getAlgGroup(selectedAlg));
	return;
      }
    isReload = true;
    jcbGroupList.removeAllItems();
    jcbAlgList.removeAllItems();
    for(int i = 0; i < refGroups.size(); i++)
      jcbGroupList.addItem(refGroups.get(i));
    for(int i = 0; i < refAlgs.size(); i++)
      jcbAlgList.addItem(refAlgs.get(i));
    jcbAlgList.setSelectedItem(selectedAlg);
    jcbGroupList.setSelectedItem(getAlgGroup(selectedAlg));
    isReload = false;
  }//GEN-LAST:event_jbtnRefreshActionPerformed
  
  /** Closes the dialog */
  private void closeDialog(java.awt.event.WindowEvent evt) 
  {//GEN-FIRST:event_closeDialog
    setVisible (false);
    dispose ();
    parent.repaint();
  }//GEN-LAST:event_closeDialog
  
  // Variables declaration - do not modify//GEN-BEGIN:variables
  //private javax.swing.JLabel jlbAlgList;
  private javax.swing.JComboBox jcbAlgList;
  private javax.swing.JButton jbtnDelete;
  private javax.swing.JButton jbtnSave;
  private javax.swing.JButton jbtnClose;
  private javax.swing.JTextField jtxfAlgName;
  private javax.swing.JComboBox jcbGroupList;
  private javax.swing.JButton jbtnRefresh;
  private javax.swing.JFrame parent;
  private Vector algorithms = new Vector();
  private Vector groups = new Vector();
  private Vector refGroups = new Vector();
  private Vector refAlgs = new Vector();
  private String selectedAlg;
  private String selectedGroup;
  private boolean isReload = false;
  // End of variables declaration//GEN-END:variables
}