/**
* Creates a PDF document.
*
* @param filename the path to the new PDF document
* @throws DocumentException
* @throws IOException
*/
public void createPdf(String filename) throws IOException, DocumentException {
// step 1
Document document = new Document(new Rectangle(360, 360));
// step 2
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(filename));
// step 3
document.open();
writer.addJavaScript(Utilities.readFileToString(RESOURCE));
// step 4
// add the keys for the digits
for (int i = 0; i < 10; i++) {
addPushButton(writer, digits[i], String.valueOf(i), "this.augment(" + i + ")");
}
// add the keys for the operators
addPushButton(writer, plus, "+", "this.register('+')");
addPushButton(writer, minus, "-", "this.register('-')");
addPushButton(writer, mult, "x", "this.register('*')");
addPushButton(writer, div, ":", "this.register('/')");
addPushButton(writer, equals, "=", "this.calculateResult()");
// add the other keys
addPushButton(writer, clearEntry, "CE", "this.reset(false)");
addPushButton(writer, clear, "C", "this.reset(true)");
addTextField(writer, result, "result");
addTextField(writer, move, "move");
// step 5
document.close();
}
