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< > BotCompany Repo | #1007529 // AutoComboBox - uses scoredSearch to find items

JavaX fragment (include) [tags: use-pretranspiled]

Transpiled version (5065L) is out of date.

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// TODO: improve filtering
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sclass AutoComboBox extends JComboBox<S> {
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  String keyWord[];
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  new Vector myVector;
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  bool acceptOnTab; // don't work so good
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  *() {
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    setModel(new DefaultComboBoxModel(myVector));
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    setSelectedIndex(-1);
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    setEditable(true);
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    JTextField text = (JTextField) this.getEditor().getEditorComponent();
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    text.setFocusable(true);
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    text.setText("");
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    text.addKeyListener(new ComboListener(this, myVector));
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    if (acceptOnTab) text.setFocusTraversalKeysEnabled(false);
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    setMyVector();
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  }
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  /**
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   * set the item list of the AutoComboBox
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   * @param keyWord an String array
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   */
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  void setKeyWord(String[] keyWord) {
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    this.keyWord = keyWord;
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    setMyVector();
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  }
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  void setKeyWord(Collection<S> keyWord) {
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    setKeyWord(toStringArray(keyWord));
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  }
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  private void setMyVector() {
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    copyArrayToVector(keyWord, myVector);
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  }
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  class ComboListener extends KeyAdapter {
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    JComboBox cb;
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    Vector vector;
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    *(JComboBox *cb, Vector *vector) {}
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    public void /*keyReleased*/keyPressed(KeyEvent key) {
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      if (key.getKeyCode() == KeyEvent.VK_ENTER) ret;
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      if (key.getKeyCode() == KeyEvent.VK_ESCAPE) { cb.hidePopup(); ret; }
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      if (acceptOnTab && key.getKeyCode() == KeyEvent.VK_TAB /*&& key.getModifiers() == 0*/) {
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        _print("Have tab event (modifiers=" + key.getModifiers() + ")");
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        if ((key.getModifiers() & ActionEvent.SHIFT_MASK) == 0 && cb.isPopupVisible()) {
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          cb.setSelectedIndex(0); // accept item
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          cb.hidePopup();
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        } else // standard tab behavior
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          swing_standardTabBehavior(key);
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        ret;
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      }
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      JTextField tf = cast cb.getEditor().getEditorComponent();
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      if (tf.getCaretPosition() != l(tf.getText())) ret;
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      String text = ((JTextField) key.getSource()).getText();
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      Vector list = getFilteredList(text);
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      if (nempty(list)) {
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        cb.setModel(new DefaultComboBoxModel(list));
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        cb.setSelectedIndex(-1);
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        tf.setText(text); // necessary?
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        cb.showPopup();
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      } else
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        cb.hidePopup();
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    }
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    public Vector getFilteredList(String text) {
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      ret emptyAfterTrim(text) ? vector : new Vector(scoredSearch(text, vector));
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    }
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  }
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}

Author comment

by Malith, http://stackoverflow.com/questions/13681977/jcombobox-autocomplete, modified by Stefan

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Snippet ID: #1007529
Snippet name: AutoComboBox - uses scoredSearch to find items
Eternal ID of this version: #1007529/35
Text MD5: e4420a052a35bed7abdf011a63f8f56e
Author: stefan
Category: javax / gui
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-01-24 15:27:12
Source code size: 2362 bytes / 79 lines
Pitched / IR pitched: No / No
Views / Downloads: 1017 / 3516
Version history: 34 change(s)
Referenced in: [show references]