Listening to Keyboard Events with a KeySelectionManager : JComboBox « Swing « Java Tutorial

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Java Tutorial » Swing » JComboBox   14. 12. 11. Listening to Keyboard Events with a KeySelectionManager import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JComboBox; import javax.swing.JFrame; public class SelectingComboSample {   public static void main(String args[]) {     String labels[] = { "A", "B", "C", "D", "E", "F" };     JFrame frame = new JFrame("Selecting JComboBox");     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);     JComboBox comboBox = new JComboBox(labels);     frame.add(comboBox, BorderLayout.SOUTH);     JComboBox.KeySelectionManager manager =       new JComboBox.KeySelectionManager() {         public int selectionForKey(char aKey, ComboBoxModel aModel) {           System.out.println(aKey);           return -1;         }       };     comboBox.setKeySelectionManager(manager);     frame.setSize(400, 200);     frame.setVisible(true);   } } 14. 12. JComboBox 14. 12. 1.  Creating JComboBox Components 14. 12. 2.  Add Items to JComboBox 14. 12. 3.  Get selected Item from JComboBox 14. 12. 4.  Getting and Setting the Selected Item in a JComboBox Component 14. 12. 5.  Editable JComboBox 14. 12. 6.  If the combobox is editable, the new value can be any value 14. 12. 7.  Listen to JComboBox with ItemListener 14. 12. 8.  Sharing the Data Model between two JComboBoxes 14. 12. 9.  Sharing the Data Model for a JComboBox and JList 14. 12. 10.  Editing JComboBox Elements 14. 12. 11.  Listening to Keyboard Events with a KeySelectionManager 14. 12. 12.  A Color Combo Box Editor 14. 12. 13.  Setting ComboBox Editor and ComboBox Renderer 14. 12. 14.  Combobox cell renderer 14. 12. 15.  Custom JComboBox Pop-up Button 14. 12. 16.  JComboBox Using the Custom Model 14. 12. 17.  Get Model from JComboBox and set it to JList 14. 12. 18.  Adding and Removing an Item in a JComboBox Component 14. 12. 19.  Add an item to the end of the list 14. 12. 20.  Add an item after the first item 14. 12. 21.  Getting the Items in a JComboBox Component 14. 12. 22.  Remove first item 14. 12. 23.  Remove the last item 14. 12. 24.  Remove all items 14. 12. 25.  Determining When the Menu of a JComboBox Component Is Displayed 14. 12. 26.  Listening for Action Events from a JComboBox Component 14. 12. 27.  Listening for Changes to the Selected Item in a JComboBox Component 14. 12. 28.  Setting the Number of Visible Items in the Menu of a JComboBox Component 14. 12. 29.  Displaying the Menu in a JComboBox Component Using a Keystroke If the Selected Item Is Not Unique 14. 12. 30.  Determining If the Menu of a JComboBox Component Is Visible 14. 12. 31.  Displaying the Menu in a JComboBox Component Using a Keystroke 14. 12. 32.  Selecting an Item in a JComboBox Component with Multiple Keystrokes 14. 12. 33.  Customizing a JComboBox Look and Feel