New: SearchBar

diff --git a/src/be/nikiroo/utils/ui/SearchBar.java b/src/be/nikiroo/utils/ui/SearchBar.java
new file mode 100644 (file)
index 0000000..ffbc78b
--- /dev/null
+++ b/src/be/nikiroo/utils/ui/SearchBar.java
@@ -0,0 +1,148 @@
+package be.nikiroo.utils.ui;
+
+import java.awt.BorderLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.io.IOException;
+import java.io.InputStream;
+
+import javax.swing.ImageIcon;
+import javax.swing.JButton;
+import javax.swing.JTextField;
+import javax.swing.SwingUtilities;
+
+import be.nikiroo.utils.IOUtils;
+
+/**
+ * A generic search/filter bar.
+ * 
+ * @author niki
+ */
+public class SearchBar extends ListenerPanel {
+       static private final long serialVersionUID = 1L;
+       static private ImageIcon searchIcon;
+       static private ImageIcon clearIcon;
+
+       private JButton search;
+       private JTextField text;
+       private JButton clear;
+
+       private boolean realTime;
+
+       /**
+        * Create a new {@link SearchBar}.
+        */
+       public SearchBar() {
+               setLayout(new BorderLayout());
+
+               // TODO: make an option to change the default setting here:
+               // (can already be manually toggled by the user)
+               realTime = true;
+
+               if (searchIcon == null)
+                       searchIcon = getIcon("search-16x16.png");
+               if (clearIcon == null)
+                       clearIcon = getIcon("clear-16x16.png");
+
+               search = new JButton(searchIcon);
+               if (searchIcon == null) {
+                       search.setText("[s]");
+               }
+               UIUtils.setButtonPressed(search, realTime);
+               search.addActionListener(new ActionListener() {
+                       @Override
+                       public void actionPerformed(ActionEvent e) {
+                               realTime = !realTime;
+                               UIUtils.setButtonPressed(search, realTime);
+                               text.requestFocus();
+
+                               if (realTime) {
+                                       fireActionPerformed(getText());
+                               }
+                       }
+               });
+
+               text = new JTextField();
+               text.addKeyListener(new KeyAdapter() {
+                       @Override
+                       public void keyTyped(final KeyEvent e) {
+                               super.keyTyped(e);
+                               SwingUtilities.invokeLater(new Runnable() {
+                                       @Override
+                                       public void run() {
+                                               boolean empty = (text.getText().isEmpty());
+                                               clear.setVisible(!empty);
+
+                                               if (realTime) {
+                                                       fireActionPerformed(getText());
+                                               }
+                                       }
+                               });
+                       }
+               });
+               text.addActionListener(new ActionListener() {
+                       @Override
+                       public void actionPerformed(ActionEvent e) {
+                               if (!realTime) {
+                                       fireActionPerformed(getText());
+                               }
+                       }
+               });
+
+               clear = new JButton(clearIcon);
+               if (clearIcon == null) {
+                       clear.setText("(c)");
+               }
+               clear.setBackground(text.getBackground());
+               clear.setVisible(false);
+               clear.addActionListener(new ActionListener() {
+                       @Override
+                       public void actionPerformed(ActionEvent e) {
+                               text.setText("");
+                               clear.setVisible(false);
+                               text.requestFocus();
+
+                               fireActionPerformed(getText());
+                       }
+               });
+
+               add(search, BorderLayout.WEST);
+               add(text, BorderLayout.CENTER);
+               add(clear, BorderLayout.EAST);
+       }
+
+       /**
+        * Return the current text displayed by this {@link SearchBar}, or an empty
+        * {@link String} if none.
+        * 
+        * @return the text, cannot be NULL
+        */
+       public String getText() {
+               // Should usually not be NULL, but not impossible
+               String text = this.text.getText();
+               return text == null ? "" : text;
+       }
+
+       @Override
+       public void setEnabled(boolean enabled) {
+               search.setEnabled(enabled);
+               clear.setEnabled(enabled);
+               text.setEnabled(enabled);
+               super.setEnabled(enabled);
+       }
+
+       private ImageIcon getIcon(String name) {
+               InputStream in = IOUtils.openResource(SearchBar.class, name);
+               if (in != null) {
+                       try {
+                               return new ImageIcon(IOUtils.toByteArray(in));
+                       } catch (IOException e) {
+                               e.printStackTrace();
+                       }
+               }
+
+               return null;
+       }
+}

diff --git a/src/be/nikiroo/utils/ui/clear-16x16.png b/src/be/nikiroo/utils/ui/clear-16x16.png
new file mode 100644 (file)
index 0000000..3ea2622
Binary files /dev/null and b/src/be/nikiroo/utils/ui/clear-16x16.png differ

diff --git a/src/be/nikiroo/utils/ui/search-16x16.png b/src/be/nikiroo/utils/ui/search-16x16.png
new file mode 100644 (file)
index 0000000..0164b31
Binary files /dev/null and b/src/be/nikiroo/utils/ui/search-16x16.png differ