Problem: scrollbar textarea
Hi! I have the following problem: I want to add text to JTextArea box and I had created a scrollpane with vertical scroll bar. Also, I have a combobox. When I select one option of combo, it adds a brief explication about this option. When it adds this explication to Textarea, the scrollbar down and I want that the scrollbar up.
El codigo es este:
jTextAreaInfo.setLineWrap(true);
jTextAreaInfo.setWrapStyleWord(true);
jTextAreaInfo.setBounds(new Rectangle(10, 135, 335, 200));
jTextAreaInfo.setEditable(false);
scrollPaneInfo.setBounds(new Rectangle(10, 135, 355, 195));
scrollPaneInfo.getViewport().add(jTextAreaInfo, null);
scrollPaneInfo.setVerticalScrollBarPolicy(scrollPaneInfo.
VERTICAL_SCROLLBAR_ALWAYS);
//scrollPaneInfo.getVerticalScrollBar().scrollRectToVisible(new Rectangle(10, 135, 355, 195));
//scrollPaneInfo.scrollRectToVisible(new Rectangle(0, 0, 0, 0));
scrollPaneInfo.getVerticalScrollBar().scrollRectToVisible(new Rectangle(0, 0, 0, 0));
scrollPaneInfo.getVerticalScrollBar().setAlignmentY(0);
scrollPaneInfo.getVerticalScrollBar().setAlignmentX(0);
scrollPaneInfo.getVerticalScrollBar().updateUI();
Do I have to try to use the function scrollRectToVisible ???? What are the dimensions of the rectangle????? (0,0,0,0) ???
Thanks!!
May be you have to create a resizable text area.
http://idletogether.com/automatically-resize-texttextarea-based-on-content-autosize-in-fle x/
http://www.flexer.info/2009/02/06/auto-resizable-text-area-component/
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