How to add TextChangeListener at RichTextArea in Vaadin

Question

TextField searchField = new TextField();
searchField.addTextChangeListener(new TextChangeListener() {
    @Override
    public void textChange(TextChangeEvent event) {
        updateCharecterLeft();
    }
});

i want a RichTextArea instead of searchField . but RichTextArea doesnt have addTextChangeListener. pls help

score 0 · Answer 1 · answered May 07 '15 at 10:22

0

RichTextArea has addValueChangeListener() method instead, which is inherited from AbstractField.

RichTextArea richTextArea = new RichTextArea();
    richTextArea.addValueChangeListener(new Property.ValueChangeListener() {
        @Override
        public void valueChange(Property.ValueChangeEvent valueChangeEvent) {
            updateCharecterLeft();
        }
    });

answered May 07 '15 at 10:22

Vojtech Ruzicka

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ya but this doesn't work when i type each character. work only change of focus. I want to show remaining character in a separate label. each time user input character on it. – Ahmed Raaj May 08 '15 at 08:40
try setting setImmediate(true); – Vojtech Ruzicka May 08 '15 at 08:54
SetImmidiate true work with change of focus. Not in every keystroke from keyboard. :( – Ahmed Raaj May 09 '15 at 05:20

score 0 · Answer 2 · answered Mar 22 '17 at 12:51

Try this :

textArea.setImmediate(true);
textArea.setTextChangeEventMode(TextChangeEventMode.EAGER);
textArea.addTextChangeListener(new TextChangeListener(){

        @Override
        public void textChange(TextChangeEvent event) {
            // use event.getText() 
        }       
});

How to add TextChangeListener at RichTextArea in Vaadin

2 Answers2