Package com.dbxml.db.admin.dialogs

Source Code of com.dbxml.db.admin.dialogs.IndexDialog

package com.dbxml.db.admin.dialogs;

/*
* dbXML - Native XML Database
* Copyright (c) 1999-2006 The dbXML Group, L.L.C.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* $Id: IndexDialog.java,v 1.6 2006/02/02 18:53:46 bradford Exp $
*/

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

import com.dbxml.db.admin.Admin;
import com.dbxml.db.admin.swing.PropertyInfo;
import com.dbxml.db.admin.swing.PropertyPane;
import com.dbxml.db.client.CollectionClient;
import com.dbxml.xml.dom.DOMHelper;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.WindowEvent;
import java.util.ArrayList;
import java.util.List;
import javax.swing.border.Border;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

/**
* IndexDialog
*/

public final class IndexDialog extends JDialog {
   private static final String[] ColumnNames = new String[]{"Name", "Value"};

   private static final IndexerInfo[] Indexers = new IndexerInfo[]{
      new IndexerInfo("String Value Index", com.dbxml.db.common.indexers.ValueIndexer.class, "string"),
      new IndexerInfo("Trimmed Value Index", com.dbxml.db.common.indexers.ValueIndexer.class, "trimmed"),
      new IndexerInfo("Integer Value Index", com.dbxml.db.common.indexers.ValueIndexer.class, "long"),
      new IndexerInfo("Decimal Value Index", com.dbxml.db.common.indexers.ValueIndexer.class, "double"),
      new IndexerInfo("Byte Value Index", com.dbxml.db.common.indexers.ValueIndexer.class, "byte"),
      new IndexerInfo("Character Value Index", com.dbxml.db.common.indexers.ValueIndexer.class, "char"),
      new IndexerInfo("Boolean Value Index", com.dbxml.db.common.indexers.ValueIndexer.class, "boolean"),
      new IndexerInfo("Name Index", com.dbxml.db.common.indexers.NameIndexer.class, null),
      new IndexerInfo("Full Text Index", com.dbxml.db.common.fulltext.FullTextIndexer.class, null)
   };

   private List[] properties = new List[Indexers.length];
   private CollectionClient col;
   private boolean okClicked = false;

   ImageIcon imgIndex;
   JLabel lblCreate = new JLabel();
   Border brdSearch;
   GridBagLayout thisLayout = new GridBagLayout();
   JPanel pnlButtons = new JPanel();
   JButton btnCreate = new JButton();
   JButton btnCancel = new JButton();
   JLabel lblType = new JLabel();
   JComboBox cmbType = new JComboBox(Indexers);
   JLabel lblProps = new JLabel();
   BorderLayout pnlButtonsLayout = new BorderLayout();
   JPanel pnlDialog = new JPanel();
   JLabel lblName = new JLabel();
   JTextField txtName = new JTextField();
   PropertyPane propertyPane = new PropertyPane() {
      public boolean checkValidity() {
         if ( super.checkValidity() )
            return testRequired();
         else {
            btnCreate.setEnabled(false);
            return false;
         }
      }
   };

   public IndexDialog(Frame owner, CollectionClient col) {
      super(owner, true);

      this.col = col;

      PropertyInfo pattern = new PropertyInfo("pattern", "Pattern", "", true);
      PropertyInfo pageSize = new PropertyInfo("pagesize", "Page Size", "4096", false, PropertyInfo.TYPE_INT);

      properties[0] = new ArrayList();
      properties[0].add(pattern);
      properties[0].add(pageSize);

      properties[1] = new ArrayList();
      properties[1].add(pattern);
      properties[1].add(pageSize);

      properties[2] = new ArrayList();
      properties[2].add(pattern);
      properties[2].add(pageSize);

      properties[3] = new ArrayList();
      properties[3].add(pattern);
      properties[3].add(pageSize);

      properties[4] = new ArrayList();
      properties[4].add(pattern);
      properties[4].add(pageSize);

      properties[5] = new ArrayList();
      properties[5].add(pattern);
      properties[5].add(pageSize);

      properties[6] = new ArrayList();
      properties[6].add(pattern);
      properties[6].add(pageSize);

      properties[7] = new ArrayList();
      properties[7].add(pattern);
      properties[7].add(pageSize);

      properties[8] = new ArrayList();
      properties[8].add(pattern);
      properties[8].add(pageSize);
      properties[8].add(new PropertyInfo("stemmer", "Stemmer Class"));
      properties[8].add(new PropertyInfo("stopwords", "Stop Word List"));
      properties[8].add(new PropertyInfo("rollcase", "Case Rolling", "true", false, PropertyInfo.TYPE_BOOLEAN));

      propertyPane.addProperties(properties[0]);
      propertyPane.checkValidity();

      enableEvents(AWTEvent.WINDOW_EVENT_MASK);
      try {
         jbInit();

         cmbType.setMaximumRowCount(Indexers.length);

         pack();

         // Center the Dialog
         Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
         Dimension frameSize = getSize();
         if (frameSize.height > screenSize.height)
           frameSize.height = screenSize.height;
         if (frameSize.width > screenSize.width)
           frameSize.width = screenSize.width;
         setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
      }
      catch ( Exception e ) {
         Admin.getInstance().addMessage(e.toString());
      }
   }

   private void jbInit() throws Exception {
      imgIndex = new ImageIcon(IndexDialog.class.getResource("index.gif"));
      brdSearch = BorderFactory.createEmptyBorder(5, 5, 5, 5);
      lblCreate.setIcon(imgIndex);
      this.setModal(true);
      this.setTitle("Create Index");
      this.setResizable(false);
      lblName.setText("Name");
      this.getContentPane().add(pnlDialog);
      pnlDialog.setLayout(thisLayout);

      pnlButtons.setLayout(pnlButtonsLayout);
      btnCreate.setFont(new Font("Dialog", 0, 12));
      btnCreate.setActionCommand("connect");
      btnCreate.setSelected(true);
      btnCreate.setText("create");
      btnCreate.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            btnCreate_actionPerformed(e);
         }
      });
      btnCancel.setFont(new Font("Dialog", 0, 12));
      btnCancel.setActionCommand("cancel");
      btnCancel.setText("cancel");
      btnCancel.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            btnCancel_actionPerformed(e);
         }
      });
      lblType.setText("Type");
      lblProps.setText("Properties");

      cmbType.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(ActionEvent e) {
            cmbType_actionPerformed(e);
         }
      });
      txtName.setText("");
      txtName.addKeyListener(new java.awt.event.KeyAdapter() {
         public void keyReleased(KeyEvent e) {
            txtName_keyReleased(e);
         }
      });
      pnlButtonsLayout.setHgap(5);
      propertyPane.setPreferredSize(new Dimension(250, 250));
      propertyPane.setMinimumSize(new Dimension(250, 250));
      pnlDialog.add(pnlButtons,     new GridBagConstraints(0, 3, 3, 1, 0.0, 0.0
            ,GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(0, 10, 10, 10), 0, 0));
      pnlButtons.add(btnCreate, BorderLayout.CENTER);
      pnlButtons.add(btnCancel, BorderLayout.EAST);
      pnlDialog.add(lblType,      new GridBagConstraints(1, 1, 1, 1, 0.0, 0.0
            ,GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(0, 10, 10, 0), 0, 0));
      pnlDialog.add(cmbType,      new GridBagConstraints(2, 1, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(0, 10, 10, 10), 0, 0));
      pnlDialog.add(lblProps,     new GridBagConstraints(1, 2, 1, 1, 0.0, 0.0
            ,GridBagConstraints.NORTHEAST, GridBagConstraints.NONE, new Insets(0, 10, 10, 0), 0, 0));
      pnlDialog.add(propertyPane,     new GridBagConstraints(2, 2, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(0, 10, 10, 10), 0, 0));
      pnlDialog.add(lblCreate,   new GridBagConstraints(0, 0, 1, 6, 0.0, 0.0
            ,GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(10, 10, 10, 10), 0, 0));
      pnlDialog.add(lblName,    new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(10, 10, 10, 0), 0, 0));
      pnlDialog.add(txtName,  new GridBagConstraints(2, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(10, 10, 10, 10), 0, 0));
   }

   protected void processWindowEvent(WindowEvent e) {
      super.processWindowEvent(e);
      if ( e.getID() == WindowEvent.WINDOW_CLOSING ) {
         hide();
      }
   }

   public boolean isOkClicked() {
      return okClicked;
   }

   void btnCreate_actionPerformed(ActionEvent e) {
      try {
         okClicked = true;
         String name = txtName.getText();

         int idx = cmbType.getSelectedIndex();

         Document doc = DOMHelper.newDocument();
         Element root = doc.createElement("index");
         root.setAttribute("name", name);
         root.setAttribute("class", Indexers[idx].indexerClass.getName());
         if ( Indexers[idx].type != null )
            root.setAttribute("type", Indexers[idx].type);
         doc.appendChild(root);

         PropertyInfo[] props = propertyPane.getProperties();
         for ( int i = 0; i < props.length; i++ ) {
            PropertyInfo pi = props[i];
            String value = pi.getValue();
            if ( value.trim().length() > 0 )
               root.setAttribute(pi.getName(), value);
         }
         col.createIndexer(doc);

         hide();
      }
      catch ( Exception ex ) {
         Admin.getInstance().addMessage(ex.getMessage());
      }
   }

   void btnCancel_actionPerformed(ActionEvent e) {
      hide();
   }

   void cmbType_actionPerformed(ActionEvent e) {
      List l = properties[cmbType.getSelectedIndex()];
      propertyPane.clearProperties();
      propertyPane.addProperties(l);
      propertyPane.checkValidity();
   }

   void txtName_keyReleased(KeyEvent e) {
      propertyPane.checkValidity();
   }

   boolean testRequired() {
      if ( txtName.getText().trim().length() == 0 ) {
         btnCreate.setEnabled(false);
         return false;
      }

      btnCreate.setEnabled(true);
      return true;
   }


   /**
    * IndexerInfo
    */

   private static class IndexerInfo {
      public String name;
      public Class indexerClass;
      public String type;

      public IndexerInfo(String name, Class indexerClass, String type) {
         this.name = name;
         this.indexerClass = indexerClass;
         this.type = type;
      }

      public String toString() {
         return name;
      }
   }
}

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