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< > BotCompany Repo | #1003287 // onUpdate (for JTextComponent, JCheckBox and others)

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

Libraryless. Click here for Pure Java version (7886L/45K).

svoid onUpdate(JComponent c, Runnable r) {
  onUpdate(c, (O) r);

svoid onUpdate(JTextComponent c, IVF1<S> r) {
  if (c == null || r == null) ret;
  c.getDocument().addDocumentListener(runnableToDocumentListener(-> r.get(c.getText())));

// legacy signature
svoid onUpdate(JComponent c, O r) {
  if (c cast JTextComponent)
  else if (c cast ItemSelectable) // JCheckBox and others
    c.addItemListener(new ItemListener {
      public void itemStateChanged(ItemEvent e) {
  else if (c cast JSpinner)
    onChange(c, r);
    print("Warning: onUpdate doesn't know " + getClassName(c));

static void onUpdate(L<? extends JComponent> l, O r) {
  for (JComponent c : l)
    onUpdate(c, r);

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Snippet ID: #1003287
Snippet name: onUpdate (for JTextComponent, JCheckBox and others)
Eternal ID of this version: #1003287/7
Text MD5: 11eaadc3cc2cf967835f8aa140f62a07
Transpilation MD5: 6644fb514fbcfe3d0c57b665c2374206
Author: stefan
Category: javax swing
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-04-01 22:57:51
Source code size: 846 bytes / 29 lines
Pitched / IR pitched: No / No
Views / Downloads: 584 / 649
Version history: 6 change(s)
Referenced in: [show references]