jadex.commons.gui.autocombo.AutoCompleteCombo Maven / Gradle / Ivy
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Common GUI support classes.
package jadex.commons.gui.autocombo;
import java.awt.EventQueue;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Collection;
import java.util.List;
import javax.swing.ComboBoxEditor;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.Timer;
import javax.swing.plaf.metal.MetalComboBoxEditor;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.JTextComponent;
import javax.swing.text.PlainDocument;
import jadex.commons.SUtil;
import jadex.commons.concurrent.IThreadPool;
import jadex.commons.concurrent.ThreadPool;
import jadex.commons.future.IResultListener;
import jadex.commons.future.ISubscriptionIntermediateFuture;
/**
* Autocomplete combobox with filtering and text inserting of new text
*/
public class AutoCompleteCombo extends JComboBox
{
/** The cloassloader. */
protected ClassLoader cl;
/** The thread pool. */
protected IThreadPool tp;
/** The last pattern. */
protected String lastpattern;
/** The current call. */
protected ISubscriptionIntermediateFuture current;
/** The flag that the model is modified. */
protected boolean updating;
/**
* Create a new combo box.
*/
public AutoCompleteCombo(ThreadPool tp, ClassLoader cl)
{
this.tp = tp==null? new ThreadPool(): tp;
this.cl = cl==null? AutoCompleteCombo.class.getClassLoader(): cl;
setEditable(true);
addPropertyChangeListener(new PropertyChangeListener()
{
public void propertyChange(PropertyChangeEvent evt)
{
if("JComboBox.isTableCellEditor".equals(evt.getPropertyName()) && Boolean.TRUE.equals(evt.getNewValue()))
{
putClientProperty("JComboBox.isTableCellEditor", Boolean.FALSE);
}
}
});
setEditor(new MetalComboBoxEditor()//BasicComboBoxEditor() // Hack due to bug in BasicComboBoxEditor
{
Object val;
public void setItem(Object obj)
{
if(SUtil.equals(val, obj) || obj==null)
return;
String text = getAutoModel().convertToString((T)obj);
if(text!=null && !text.equals(editor.getText()))
{
val = obj;
if(text.length()>0)
editor.setText(text);
}
}
public Object getItem()
{
return getAutoModel().convertFromString(editor.getText());
}
});
}
// public void setSelectedItem(Object anObject)
// {
// System.out.println("sel: "+anObject);
// super.setSelectedItem(anObject);
// }
/**
*
*/
public JTextComponent getEditorComponent()
{
JTextComponent comp = (JTextComponent)getEditor().getEditorComponent();
return comp;
}
/**
*
*/
public void setEditor(ComboBoxEditor anEditor)
{
super.setEditor(anEditor);
JTextComponent comp = (JTextComponent)getEditor().getEditorComponent();
if(comp.getDocument() instanceof AutoCompleteCombo.AutoCompleteDocument)
{
AutoCompleteCombo.AutoCompleteDocument doc = (AutoCompleteCombo.AutoCompleteDocument)comp.getDocument();
doc.dispose();
}
comp.setDocument(new AutoCompleteDocument());
}
//
// /**
// *
// */
// public void setRenderer(ListCellRenderer aRenderer)
// {
// super.setRenderer(aRenderer);
// JTextComponent comp = (JTextComponent)getEditor().getEditorComponent();
// comp.setDocument(new AutoCompleteDocument());
// }
public void actionPerformed(ActionEvent e)
{
// System.out.println("box updating: "+isUpdating()+" "+e);
// if(!isUpdating())
// {
// super.actionPerformed(e);
// }
}
/**
* Get the updating.
* @return The updating.
*/
public boolean isUpdating()
{
return updating;
}
/**
*
*/
public AbstractAutoComboModel getAutoModel()
{
return (AbstractAutoComboModel)getModel();
}
// /**
// *
// * @param text
// */
// public void setText(String text)
// {
// if(getAutoModel().contains(text))
// {
// setSelectedItem(text);
// }
// else
// {
// getAutoModel().addToTop(text);
// setSelectedIndex(0);
// }
// }
/**
* Get the text.
*/
public String getText()
{
return getEditor().getItem()!=null? getEditor().getItem().toString(): "";
}
/**
*
*/
private ISubscriptionIntermediateFuture setPattern(String pattern)
{
ISubscriptionIntermediateFuture ret;
if(pattern != null && pattern.trim().isEmpty())
pattern = null;
// if(lastpattern == null && pattern == null || pattern != null && pattern.equals(lastpattern))
// {
// SubscriptionIntermediateFuture fut = new SubscriptionIntermediateFuture();
// fut.setResult(null);
// ret = fut;
// }
// else
{
lastpattern = pattern;
if(current!=null)
current.terminate();
ret = getAutoModel().setPattern(pattern);
current = ret;
}
return ret;
}
/**
* Get the current search.
* @return The current search.
*/
public ISubscriptionIntermediateFuture getCurrentSearch()
{
return current;
}
/**
*
*/
private void clearSelection()
{
// Save caret position since selections moves the caret.
int pos = getEditorComponent().getCaretPosition();
int i = getText().length();
getEditorComponent().setSelectionStart(i);
getEditorComponent().setSelectionEnd(i);
getEditorComponent().setCaretPosition(pos);
}
/**
* Get the thread pool.
* @return The thread pool.
*/
protected IThreadPool getThreadPool()
{
return tp;
}
/**
* Get the classloader.
* @return The classloader.
*/
public ClassLoader getClassLoader()
{
return cl;
}
/**
* Update the popup.
*/
public void updatePopup()
{
try
{
hidePopup();
showPopup();
clearSelection();
}
catch(Exception e)
{
}
}
/**
*
*/
protected class AutoCompleteDocument extends PlainDocument
{
protected boolean arrowkey = false;
protected Timer t;
/**
* Create a new AutoCompleteDocument.
*/
public AutoCompleteDocument()
{
getEditorComponent().addKeyListener(new KeyAdapter()
{
protected boolean dirty = false;
{
// Swing timer
t = new Timer(1000, new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
if(dirty)
{
dirty = false;
}
else
{
t.stop();
updateModel();
}
}
});
}
public void keyTyped(KeyEvent e)
{
int key = e.getKeyCode();
// System.out.println("typed: "+key);
// getAutoModel().setSelectedItemQuiet(null);
if(!t.isRunning() && key == KeyEvent.VK_ENTER)
{
t.start();
}
else
{
dirty = true;
}
}
public void keyPressed(KeyEvent e)
{
// getAutoModel().setSelectedItemQuiet(null);
int key = e.getKeyCode();
// System.out.println("pressed: "+key);
if(key == KeyEvent.VK_ENTER)
{
// there is no such element in the model for now
String text = getEditorComponent().getText();
if(!getAutoModel().contains(text))
{
getAutoModel().addToTop(text);
}
else if(getSelectedItem()==null)
{
// System.out.println("setting manually");
T obj = getAutoModel().getModelValue(text);
if(obj!=null)
getAutoModel().setSelectedItem(obj);
}
if(t.isRunning())
{
t.stop();
}
// System.out.println(getSelectedItem());
}
else if(key == KeyEvent.VK_UP || key == KeyEvent.VK_DOWN)
{
arrowkey = true;
// T newItem = (T)getEditor().getItem();
// System.out.println(newItem);
// setSelectedItem(newItem);
// getEditorComponent().setText(getAutoModel().convertToString(newItem));
if(t.isRunning())
{
t.stop();
}
}
}
});
}
/**
*
*/
public void dispose()
{
if(t!=null)
t.stop();
}
/**
*
*/
protected void updateModel() //throws BadLocationException
{
updating = true;
try
{
String text = getText(0, getLength());
setPattern(text).addResultListener(new IResultListener>()
{
public void resultAvailable(Collection result)
{
clearSelection();
updatePopup();
JTextComponent comp = (JTextComponent)getEditor().getEditorComponent();
comp.setCaretPosition(getLength());
updating = false;
}
public void exceptionOccurred(Exception exception)
{
updating = false;
}
});
}
catch(Exception e)
{
updating = false;
}
}
/**
*
*/
public void remove(int offs, int len) throws BadLocationException
{
if(current!=null && !current.isDone())
return;
String beftext = getText(0, getLength());
super.remove(offs, len);
String text = getText(0, getLength());
if(arrowkey)
{
arrowkey = false;
}
else if(!text.equals(beftext))
{
updateModel();
}
// clearSelection();
}
/**
*
*/
public void insertString(int offs, String str, AttributeSet a) throws BadLocationException
{
if(current!=null && !current.isDone())
return;
// System.out.println("insert: "+str);
String beftext = getText(0, getLength());
// insert the string into the document
super.insertString(offs, str, a);
String text = getText(0, getLength());
if(arrowkey)
{
// getAutoModel().setSelectedItem(text);
arrowkey = false;
}
else if(!text.equals(beftext))
{
updateModel();
}
// clearSelection();
}
/**
*
*/
public void replace(int offset, int length, String text,
AttributeSet attrs) throws BadLocationException
{
if(text == null || text.length()==0)
// if(length == 0 && (text == null || text.length() == 0))
// if(length == 0 || text == null || text.length() == 0)
{
return;
}
// System.out.println("replace: "+text);
writeLock();
try
{
boolean ark = arrowkey;
if(length > 0)
{
remove(offset, length);
}
arrowkey = ark;
if(text != null && text.length() > 0)
{
insertString(offset, text, attrs);
}
}
finally
{
writeUnlock();
}
}
}
/**
* Main for testing.
*/
public static void main(String[] args)
{
EventQueue.invokeLater(new Runnable()
{
public void run()
{
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new GridLayout(2, 1));
// final AutoCompleteCombo combo = new AutoCompleteCombo(null);
// final ClassComboModel model = new ClassComboModel(combo, 20);
// combo.setModel(model);
//// System.out.println(combo.getEditor().getClass());
//// MetalComboBoxEditor
// combo.setEditor(new MetalComboBoxEditor()//BasicComboBoxEditor()
// {
// public void setItem(Object obj)
// {
// super.setItem(obj instanceof Class? model.convertToString((Class)obj): obj);
// }
// });
// combo.setRenderer(new BasicComboBoxRenderer()
// {
// public Component getListCellRendererComponent(JList list, Object value,
// int index, boolean isSelected, boolean cellHasFocus)
// {
// Class cl = (Class)value;
// String txt = SReflect.getInnerClassName(cl)+" - "+cl.getPackage().getName();
// return super.getListCellRendererComponent(list, txt, index, isSelected, cellHasFocus);
// }
// });
// frame.add(combo);
List vals = SUtil.createArrayList(new String[]{"a", "aa", "aaa", "aab", "b", "bb", "abc"});
final AutoCompleteCombo combo2 = new AutoCompleteCombo(null, null);
final StringComboModel model2 = new StringComboModel(combo2, 20, vals);
combo2.setModel(model2);
frame.add(combo2);
frame.pack();
frame.setSize(500, frame.getHeight());
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
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