Limit « JTextArea « Java Swing Q&A





1. How to limit a JTextArea to only accept a legal set of characters?    stackoverflow.com

Anybody know if there is an easy way to limit the allowed characters for a JTextArea. I.e. similar to JTextField using MaskFormatter. Specifically I want to limit the allowed characters for a ...

2. limit lines in a JTextArea    coderanch.com

3. Limit number of cols in JTextArea    java-forums.org

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 1 at blogger.MainPanel$myContentDocument.insertString(MainPanel.java:490) at javax.swing.text.AbstractDocument.replace(AbstractDocument.java:655) at javax.swing.text.JTextComponent.replaceSelection(JTextComponent.java:1351) at javax.swing.text.DefaultEditorKit$InsertBreakAction.actionPerformed(DefaultEditorKit.java:952) at javax.swing.plaf.basic.BasicTextUI$TextActionWrapper.actionPerformed(BasicTextUI.java:2066) at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1633) at javax.swing.JComponent.processKeyBinding(JComponent.java:2839) at javax.swing.JComponent.processKeyBindings(JComponent.java:2874) at javax.swing.JComponent.processKeyEvent(JComponent.java:2802) at java.awt.Component.processEvent(Component.java:6040) at java.awt.Container.processEvent(Container.java:2041) at java.awt.Component.dispatchEventImpl(Component.java:4630) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1850) at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:712) at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:990) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:855) at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:676) at java.awt.Component.dispatchEventImpl(Component.java:4502) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Window.dispatchEventImpl(Window.java:2475) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at ...

4. Limit number of cols in JTextArea (again)    java-forums.org

Hey all, A while ago I started this thread, which I thought was solved. Unfortunately its not working again. Basically, I want to limit the number of characters in a line and the number of lines in a JTextArea. No line should ever be able to exceed x characters, and there should never be more than y lines, so I cant ...

5. how to set limit input text at JtextArea ?    forums.oracle.com