org.tentackle.fx.component.config.TextAreaConfigurator Maven / Gradle / Ivy
/*
* Tentackle - https://tentackle.org.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package org.tentackle.fx.component.config;
import javafx.scene.control.TextArea;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import org.tentackle.fx.ConfiguratorService;
import org.tentackle.fx.FxComponent;
import org.tentackle.fx.component.FxTextArea;
/**
* Configures a TextArea.
*
* @author harald
* @param the textarea type
*/
@ConfiguratorService(TextArea.class)
public class TextAreaConfigurator extends TextInputControlConfigurator {
private static final String NEXT = "to_next";
private static final String PREVIOUS = "to_previous";
@Override
protected void remapKeys(T control) {
control.addEventFilter(KeyEvent.ANY, (KeyEvent event) -> {
if ((event.getCode() == KeyCode.TAB || event.getCode() == KeyCode.ENTER) &&
!event.isAltDown() && !event.isMetaDown() &&
!NEXT.equals(event.getText()) && !PREVIOUS.equals(event.getText()) &&
(!(control instanceof FxTextArea) || ((FxTextArea) control).isNavigateViaEnterEnabled())) {
if (event.getEventType() == KeyEvent.KEY_PRESSED) {
if (event.isControlDown()) {
control.insertText(control.getCaretPosition(), event.getCode() == KeyCode.TAB ? "\t" : "\n");
}
else if (event.getCode() == KeyCode.ENTER) {
if (event.isShiftDown()) {
focusPrevious(control);
}
else {
focusNext(control);
}
}
}
event.consume();
}
});
}
@Override
protected void focusNext(T control) {
if (!(control instanceof FxComponent) || !((FxComponent) control).isCellEditor()) {
// NodeHelper.traverse(control, Direction.NEXT); is non-public API :(
KeyEvent event = new KeyEvent(KeyEvent.KEY_PRESSED, KeyEvent.CHAR_UNDEFINED, NEXT, KeyCode.TAB,
// ctrl tab gets out of the textarea
false, true, false, false);
control.fireEvent(event);
}
}
protected void focusPrevious(T control) {
if (!(control instanceof FxComponent) || !((FxComponent) control).isCellEditor()) {
// NodeHelper.traverse(control, Direction.PREVIOUS); is non public API :(
KeyEvent event = new KeyEvent(KeyEvent.KEY_PRESSED, KeyEvent.CHAR_UNDEFINED, PREVIOUS, KeyCode.TAB,
true, false, false, false);
control.fireEvent(event);
}
}
}