linux-x86/sample/scripting/scriptpad/src/scripts/insertfile.js

/*
 * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 */

/*
 * This source code is provided to illustrate the usage of a given feature
 * or technique and has been deliberately simplified. Additional steps
 * required for a production-quality application, such as security checks,
 * input validation and proper error handling, might not be present in
 * this sample code.
 */

/*
 * This script adds "Insert File" mode menu item to "Tools" menu.
 * When selected, this menu shows a file dialog box and inserts
 * contents of the selected file into current document (at the
 * current caret position).
 */
if (this.application) {
    application.addTool("Insert File...",
        function() {
            var file = fileDialog();

            if (file) {
                var reader = new java.io.FileReader(file);
                var arr = java.lang.reflect.Array.newInstance(
                      java.lang.Character.TYPE, 8*1024); // 8K at a time
                var buf = new java.lang.StringBuffer();
                var numChars;

                while ((numChars = reader.read(arr, 0, arr.length)) > 0) {
                    buf.append(arr, 0, numChars);
                }

                var pos = application.editor.caretPosition;
                var doc = application.editor.document;

                doc.insertString(pos, buf.toString(), null);
           }
        });
}