InsertTab.java

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/*
 * InputHandler.java - Manages key bindings and executes actions
 * Copyright (C) 1999 Slava Pestov
 * Copyright (C) 2000-2015 The Gridarta Developers.
 *
 * You may use and modify this package for any purpose. Redistribution is
 * permitted, in both source and binary form, provided that this notice
 * remains intact in all source distributions of this package.
 */

package net.sf.gridarta.textedit.textarea.actions;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import net.sf.gridarta.textedit.textarea.InputHandler;
import net.sf.gridarta.textedit.textarea.JEditTextArea;

public class InsertTab implements ActionListener {

    @Override
    public void actionPerformed(final ActionEvent e) {
        final JEditTextArea textArea = InputHandler.getTextArea(e);

        if (!textArea.isEditable()) {
            textArea.getToolkit().beep();
            return;
        }

        // insert four spaces
        textArea.overwriteSetSelectedText("    ");
    }

}