How to align RIGHT the content of TextArea in LWUIT?

Question

I want to align the text in a TextArea to the right. I tried the following code:

     Form form = new Form();
     TextArea textArea = new TextArea("Some Arabic text ...");
     textArea.setRTL(true);
     textArea.setAlignment(RIGHT);
     form.addComponent(textArea);

The result was just moving the scroll to left,
But the text is still not aligned RIGHT,
check the image below:

So how to align the content to the RIGHT ?

Answer 1

It may sound crazy for the first instance :) but setting the alignment to TextArea.LEFT solved the issue and now it's RIGHT aligned !

    Form form = new Form();
    TextArea textArea = new TextArea("Some Arabic text ...");
    textArea.setRTL(true);
    textArea.setAlignment(TextArea.LEFT);
    form.addComponent(textArea);

Setting it to LEFT makes the displayed text RIGHT aligned !

Or by removing the textArea.setRTL(true) which is mirroring the display

    Form form = new Form();
    TextArea textArea = new TextArea("Some Arabic text ...");
    textArea.setAlignment(TextArea.RIGHT);
    form.addComponent(textArea);

---

For those who are interested in more complicated details when it's set to RTL:
the paint method of TextArea class is

public void paint(Graphics g) {
    UIManager.getInstance().getLookAndFeel().drawTextArea(g, this);
}

And drawTextArea method in DefaultLookAndFeel is as follows:

int align = ta.getAbsoluteAlignment();
// remaining code is here in initial source
switch(align) {
     case Component.RIGHT:
          x = ta.getX() + ta.getWidth() - rightPadding - f.stringWidth(displayText);
          break;
     // remaining code is here in initial source
}
g.drawString(displayText, x, y);

Unfortunately TextArea.RIGHT value is 3
But when calling ta.getAbsoluteAlignment() it returns 1 (despite that the object's alignment is set by code to TextArea.RIGHT !!)
Meanwhile TextArea.Left value is 1
That's why it matched the value in the switch and was aligned to RIGHT

BTW, if you set

textArea.setAlignment(Component.RIGHT); 

it will also be wrong, because Component.RIGHT outside the paint method has the value 3 not 1 !

Answer 2

You only have to write 'TextArea.RIGHT' instead of 'RIGHT'

textArea.setAlignment(TextArea.RIGHT);

Answer 3

You can use the following line:

TextArea textArea = new TextArea("Some Arabic text ...");
textArea.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);