Auto complete ComboBox : ComboBox « Swing Components « Java

Home
Java
1.2D Graphics GUI
2.3D
3.Advanced Graphics
4.Ant
5.Apache Common
6.Chart
7.Class
8.Collections Data Structure
9.Data Type
10.Database SQL JDBC
11.Design Pattern
12.Development Class
13.EJB3
14.Email
15.Event
16.File Input Output
17.Game
18.Generics
19.GWT
20.Hibernate
21.I18N
22.J2EE
23.J2ME
24.JavaFX
25.JDK 6
26.JDK 7
27.JNDI LDAP
28.JPA
29.JSP
30.JSTL
31.Language Basics
32.Network Protocol
33.PDF RTF
34.Reflection
35.Regular Expressions
36.Scripting
37.Security
38.Servlets
39.Spring
40.Swing Components
41.Swing JFC
42.SWT JFace Eclipse
43.Threads
44.Tiny Application
45.Velocity
46.Web Services SOA
47.XML
Java » Swing Components » ComboBox 




Auto complete ComboBox
  
/* From http://java.sun.com/docs/books/tutorial/index.html */

/*
 * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * -Redistribution of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 *
 * -Redistribution in binary form must reproduce the above copyright notice,
 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
 *
 * Neither the name of Sun Microsystems, Inc. or the names of contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
 * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
 * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
 * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
 * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 *
 * You acknowledge that this software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of any
 * nuclear facility.
 */

import java.util.List;
import javax.swing.JTextField;
import javax.swing.text.*;

public class Java2sAutoTextField extends JTextField {
  class AutoDocument extends PlainDocument {

    public void replace(int i, int j, String s, AttributeSet attributeset)
        throws BadLocationException {
      super.remove(i, j);
      insertString(i, s, attributeset);
    }

    public void insertString(int i, String s, AttributeSet attributeset)
        throws BadLocationException {
      if (s == null || "".equals(s))
        return;
      String s1 = getText(0, i);
      String s2 = getMatch(s1 + s);
      int j = (i + s.length()) 1;
      if (isStrict && s2 == null) {
        s2 = getMatch(s1);
        j--;
      else if (!isStrict && s2 == null) {
        super.insertString(i, s, attributeset);
        return;
      }
      if (autoComboBox != null && s2 != null)
        autoComboBox.setSelectedValue(s2);
      super.remove(0, getLength());
      super.insertString(0, s2, attributeset);
      setSelectionStart(j + 1);
      setSelectionEnd(getLength());
    }

    public void remove(int i, int jthrows BadLocationException {
      int k = getSelectionStart();
      if (k > 0)
        k--;
      String s = getMatch(getText(0, k));
      if (!isStrict && s == null) {
        super.remove(i, j);
      else {
        super.remove(0, getLength());
        super.insertString(0, s, null);
      }
      if (autoComboBox != null && s != null)
        autoComboBox.setSelectedValue(s);
      try {
        setSelectionStart(k);
        setSelectionEnd(getLength());
      catch (Exception exception) {
      }
    }

  }

  public Java2sAutoTextField(List list) {
    isCaseSensitive = false;
    isStrict = true;
    autoComboBox = null;
    if (list == null) {
      throw new IllegalArgumentException("values can not be null");
    else {
      dataList = list;
      init();
      return;
    }
  }

  Java2sAutoTextField(List list, Java2sAutoComboBox b) {
    isCaseSensitive = false;
    isStrict = true;
    autoComboBox = null;
    if (list == null) {
      throw new IllegalArgumentException("values can not be null");
    else {
      dataList = list;
      autoComboBox = b;
      init();
      return;
    }
  }

  private void init() {
    setDocument(new AutoDocument());
    if (isStrict && dataList.size() 0)
      setText(dataList.get(0).toString());
  }

  private String getMatch(String s) {
    for (int i = 0; i < dataList.size(); i++) {
      String s1 = dataList.get(i).toString();
      if (s1 != null) {
        if (!isCaseSensitive
            && s1.toLowerCase().startsWith(s.toLowerCase()))
          return s1;
        if (isCaseSensitive && s1.startsWith(s))
          return s1;
      }
    }

    return null;
  }

  public void replaceSelection(String s) {
    AutoDocument _lb = (AutoDocumentgetDocument();
    if (_lb != null)
      try {
        int i = Math.min(getCaret().getDot(), getCaret().getMark());
        int j = Math.max(getCaret().getDot(), getCaret().getMark());
        _lb.replace(i, j - i, s, null);
      catch (Exception exception) {
      }
  }

  public boolean isCaseSensitive() {
    return isCaseSensitive;
  }

  public void setCaseSensitive(boolean flag) {
    isCaseSensitive = flag;
  }

  public boolean isStrict() {
    return isStrict;
  }

  public void setStrict(boolean flag) {
    isStrict = flag;
  }

  public List getDataList() {
    return dataList;
  }

  public void setDataList(List list) {
    if (list == null) {
      throw new IllegalArgumentException("values can not be null");
    else {
      dataList = list;
      return;
    }
  }

  private List dataList;

  private boolean isCaseSensitive;

  private boolean isStrict;

  private Java2sAutoComboBox autoComboBox;
}

import java.awt.event.ItemEvent;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.plaf.basic.BasicComboBoxEditor;

public class Java2sAutoComboBox extends JComboBox {
  private class AutoTextFieldEditor extends BasicComboBoxEditor {

    private Java2sAutoTextField getAutoTextFieldEditor() {
      return (Java2sAutoTextFieldeditor;
    }

    AutoTextFieldEditor(java.util.List list) {
      editor = new Java2sAutoTextField(list, Java2sAutoComboBox.this);
    }
  }

  public Java2sAutoComboBox(java.util.List list) {
    isFired = false;
    autoTextFieldEditor = new AutoTextFieldEditor(list);
    setEditable(true);
    setModel(new DefaultComboBoxModel(list.toArray()) {

      protected void fireContentsChanged(Object obj, int i, int j) {
        if (!isFired)
          super.fireContentsChanged(obj, i, j);
      }

    });
    setEditor(autoTextFieldEditor);
  }

  public boolean isCaseSensitive() {
    return autoTextFieldEditor.getAutoTextFieldEditor().isCaseSensitive();
  }

  public void setCaseSensitive(boolean flag) {
    autoTextFieldEditor.getAutoTextFieldEditor().setCaseSensitive(flag);
  }

  public boolean isStrict() {
    return autoTextFieldEditor.getAutoTextFieldEditor().isStrict();
  }

  public void setStrict(boolean flag) {
    autoTextFieldEditor.getAutoTextFieldEditor().setStrict(flag);
  }

  public java.util.List getDataList() {
    return autoTextFieldEditor.getAutoTextFieldEditor().getDataList();
  }

  public void setDataList(java.util.List list) {
    autoTextFieldEditor.getAutoTextFieldEditor().setDataList(list);
    setModel(new DefaultComboBoxModel(list.toArray()));
  }

  void setSelectedValue(Object obj) {
    if (isFired) {
      return;
    else {
      isFired = true;
      setSelectedItem(obj);
      fireItemStateChanged(new ItemEvent(this, 701, selectedItemReminder,
          1));
      isFired = false;
      return;
    }
  }

  protected void fireActionEvent() {
    if (!isFired)
      super.fireActionEvent();
  }

  private AutoTextFieldEditor autoTextFieldEditor;

  private boolean isFired;

}

           
         
    
  














Related examples in the same category
1.Swing Table in ComboBoxSwing Table in ComboBox
2.ComboBox color chooser (Windows Color Chooser)ComboBox color chooser (Windows Color Chooser)
3.MSN like Swing ComboBoxMSN like Swing ComboBox
4.Swing Auto Complete ComboBoxSwing Auto Complete ComboBox
5.Stepped ComboBox ExampleStepped ComboBox Example
6.Block ComboBox ExampleBlock ComboBox Example
7.Disabled ComboBox ExampleDisabled ComboBox Example
8.ToolTip ComboBox ExampleToolTip ComboBox Example
9.ComboBox Menu ExampleComboBox Menu Example
10.Small Cell Combobox ExampleSmall Cell Combobox Example
11.JComboBox: adding automatic completion-Catching user inputJComboBox: adding automatic completion-Catching user input
12.JComboBox: adding automatic completion-Adding automatic selectionJComboBox: adding automatic completion-Adding automatic selection
13.JComboBox: adding automatic completion-Adding automatic completionJComboBox: adding automatic completion-Adding automatic completion
14.JComboBox: adding automatic completion-Fixed Auto SelectionJComboBox: adding automatic completion-Fixed Auto Selection
15.JComboBox: adding automatic completion-Case insensitive matchingJComboBox: adding automatic completion-Case insensitive matching
16.JComboBox: adding automatic completion-Prefer the currently selected itemJComboBox: adding automatic completion-Prefer the currently selected item
17.JComboBox: adding automatic completion-Ignore input that does not matchJComboBox: adding automatic completion-Ignore input that does not match
18.JComboBox: adding automatic completion-Highlight complete textJComboBox: adding automatic completion-Highlight complete text
19.JComboBox: adding automatic completion-Popup the item listJComboBox: adding automatic completion-Popup the item list
20.JComboBox: adding automatic completion-Cursor positionJComboBox: adding automatic completion-Cursor position
21.JComboBox: adding automatic completion-Handling the initial selectionJComboBox: adding automatic completion-Handling the initial selection
22.JComboBox: adding automatic completion-Handling focus lossJComboBox: adding automatic completion-Handling focus loss
23.JComboBox: adding automatic completion-BackspaceJComboBox: adding automatic completion-Backspace
24.JComboBox: adding automatic completion-Backspace 2JComboBox: adding automatic completion-Backspace 2
25.JComboBox: adding automatic completion-Pressing backspace at the beginningJComboBox: adding automatic completion-Pressing backspace at the beginning
26.JComboBox: adding automatic completion-Maximum MatchJComboBox: adding automatic completion-Maximum Match
27.JComboBox: adding automatic completion-Non-strict matchingJComboBox: adding automatic completion-Non-strict matching
28.JComboBox: adding automatic completion-Non-strict matching 2JComboBox: adding automatic completion-Non-strict matching 2
29.JComboBox: adding automatic completion-Binary Lookup and PerformanceJComboBox: adding automatic completion-Binary Lookup and Performance
30.JComboBox: adding automatic completion-Binay Lookup 2JComboBox: adding automatic completion-Binay Lookup 2
31.The KeyedComboBox model allows to define an internal key (the data element) for every entry in the model.
32.Auto Complete ComboBox 2
33.JLocaleChooser is a bean for choosing locales.
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.