src/be/nikiroo/fanfix_swing/gui/SearchBar.java

   1
   2 package be.nikiroo.fanfix_swing.gui;
   3
   4 import java.awt.BorderLayout;
   5 import java.awt.event.ActionEvent;
   6 import java.awt.event.ActionListener;
   7 import java.awt.event.KeyAdapter;
   8 import java.awt.event.KeyEvent;
   9
  10 import javax.swing.JButton;
  11 import javax.swing.JPanel;
  12 import javax.swing.JTextField;
  13 import javax.swing.SwingUtilities;
  14
  15 import be.nikiroo.fanfix_swing.gui.utils.UiHelper;
  16 import be.nikiroo.fanfix_swing.images.IconGenerator;
  17 import be.nikiroo.fanfix_swing.images.IconGenerator.Icon;
  18 import be.nikiroo.fanfix_swing.images.IconGenerator.Size;
  19
  20 /**
  21  * A generic search/filter bar.
  22  *
  23  * @author niki
  24  */
  25 public class SearchBar extends JPanel {
  26         static private final long serialVersionUID = 1L;
  27
  28         private JButton search;
  29         private JTextField text;
  30         private JButton clear;
  31
  32         private boolean realTime;
  33
  34         /**
  35          * Create a new {@link SearchBar}.
  36          */
  37         public SearchBar() {
  38                 setLayout(new BorderLayout());
  39
  40                 search = new JButton(IconGenerator.get(Icon.search, Size.x16));
  41                 UiHelper.setButtonPressed(search, realTime);
  42                 search.addActionListener(new ActionListener() {
  43                         @Override
  44                         public void actionPerformed(ActionEvent e) {
  45                                 realTime = !realTime;
  46                                 UiHelper.setButtonPressed(search, realTime);
  47                                 text.requestFocus();
  48
  49                                 if (realTime) {
  50                                         fireActionPerformed();
  51                                 }
  52                         }
  53                 });
  54
  55                 text = new JTextField();
  56                 text.addKeyListener(new KeyAdapter() {
  57                         @Override
  58                         public void keyTyped(final KeyEvent e) {
  59                                 super.keyTyped(e);
  60                                 SwingUtilities.invokeLater(new Runnable() {
  61                                         @Override
  62                                         public void run() {
  63                                                 boolean empty = (text.getText().isEmpty());
  64                                                 clear.setVisible(!empty);
  65
  66                                                 if (realTime) {
  67                                                         fireActionPerformed();
  68                                                 }
  69                                         }
  70                                 });
  71                         }
  72                 });
  73                 text.addActionListener(new ActionListener() {
  74                         @Override
  75                         public void actionPerformed(ActionEvent e) {
  76                                 if (!realTime) {
  77                                         fireActionPerformed();
  78                                 }
  79                         }
  80                 });
  81
  82                 clear = new JButton(IconGenerator.get(Icon.clear, Size.x16));
  83                 clear.setBackground(text.getBackground());
  84                 clear.setVisible(false);
  85                 clear.addActionListener(new ActionListener() {
  86                         @Override
  87                         public void actionPerformed(ActionEvent e) {
  88                                 text.setText("");
  89                                 clear.setVisible(false);
  90                                 text.requestFocus();
  91
  92                                 fireActionPerformed();
  93                         }
  94                 });
  95
  96                 add(search, BorderLayout.WEST);
  97                 add(text, BorderLayout.CENTER);
  98                 add(clear, BorderLayout.EAST);
  99         }
 100
 101         /**
 102          * Adds the specified action listener to receive action events from this
 103          * {@link SearchBar}.
 104          *
 105          * @param listener the action listener to be added
 106          */
 107         public synchronized void addActionListener(ActionListener listener) {
 108                 listenerList.add(ActionListener.class, listener);
 109         }
 110
 111         /**
 112          * Removes the specified action listener so that it no longer receives action
 113          * events from this {@link SearchBar}.
 114          *
 115          * @param listener the action listener to be removed
 116          */
 117         public synchronized void removeActionListener(ActionListener listener) {
 118                 listenerList.remove(ActionListener.class, listener);
 119         }
 120
 121         /**
 122          * Notify the listeners of an action.
 123          */
 124         protected void fireActionPerformed() {
 125                 ActionEvent e = new ActionEvent(this, ActionEvent.ACTION_PERFORMED, getText());
 126                 Object[] listeners = listenerList.getListenerList();
 127                 for (int i = listeners.length - 2; i >= 0; i -= 2) {
 128                         if (listeners[i] == ActionListener.class) {
 129                                 ((ActionListener) listeners[i + 1]).actionPerformed(e);
 130                         }
 131                 }
 132         }
 133
 134         /**
 135          * Return the current text displayed by this {@link SearchBar}.
 136          *
 137          * @return the text
 138          */
 139         public String getText() {
 140                 return text.getText();
 141         }
 142 }