/** Hides suggestion popup */
public void hideSuggestion() {
if (suggestion != null) {
suggestion.setInvisible();
// log("Suggestion hidden.");
suggestion = null; // TODO: check if we dispose the window properly
}
}
/** Kickstart auto-complete suggestions */
private void prepareSuggestions(final KeyEvent evt) {
// Provide completions only if it's enabled
if (JavaMode.codeCompletionsEnabled
&& (JavaMode.ccTriggerEnabled || (suggestion != null && suggestion.isVisible()))) {
Messages.log("[KeyEvent]" + evt.getKeyChar() + " |Prediction started");
fetchPhrase();
}
}
/** Handles KeyEvents for TextArea (code completion begins from here). */
public void processKeyEvent(KeyEvent evt) {
if (evt.getKeyCode() == KeyEvent.VK_ESCAPE) {
if (suggestion != null) {
if (suggestion.isVisible()) {
Messages.log("esc key");
hideSuggestion();
evt.consume();
return;
}
}
} else if (evt.getKeyCode() == KeyEvent.VK_ENTER && evt.getID() == KeyEvent.KEY_PRESSED) {
if (suggestion != null
&& suggestion.isVisible()
&& suggestion.insertSelection(CompletionPanel.KEYBOARD_COMPLETION)) {
evt.consume();
// Still try to show suggestions after inserting if it's
// the case of overloaded methods. See #2755
if (suggestion.isVisible()) {
prepareSuggestions(evt);
}
return;
}
}
if (evt.getID() == KeyEvent.KEY_PRESSED) {
switch (evt.getKeyCode()) {
case KeyEvent.VK_DOWN:
if (suggestion != null)
if (suggestion.isVisible()) {
// log("KeyDown");
suggestion.moveDown();
return;
}
break;
case KeyEvent.VK_UP:
if (suggestion != null)
if (suggestion.isVisible()) {
// log("KeyUp");
suggestion.moveUp();
return;
}
break;
case KeyEvent.VK_BACK_SPACE:
Messages.log("BK Key");
break;
case KeyEvent.VK_SPACE:
if (suggestion != null) {
if (suggestion.isVisible()) {
Messages.log("Space bar, hide completion list");
suggestion.setInvisible();
}
}
break;
}
}
super.processKeyEvent(evt);
// code completion disabled if Java tabs present
if (!editor.hasJavaTabs()) {
if (evt.getID() == KeyEvent.KEY_TYPED) {
processCompletionKeys(evt);
} else if (!Platform.isMacOS() && evt.getID() == KeyEvent.KEY_RELEASED) {
processCompletionKeys(evt);
} else if (Platform.isMacOS() && evt.getID() == KeyEvent.KEY_RELEASED) {
processControlSpace(evt);
}
}
}