Java Code Examples for com.lowagie.text.pdf.TextField#getTextField()

/**
 * Demonstrates the use of layers.
 * 
 * @param args
 *            no arguments needed
 */
@Test
public void main() throws Exception {
	// step 1: creation of a document-object
	Document document = new Document(PageSize.A4, 50, 50, 50, 50);
	// step 2: creation of the writer
	PdfWriter writer = PdfWriter.getInstance(document,
			PdfTestBase.getOutputStream("optionalcontent.pdf"));
	writer.setPdfVersion(PdfWriter.VERSION_1_5);
	writer.setViewerPreferences(PdfWriter.PageModeUseOC);
	// step 3: opening the document
	document.open();
	// step 4: content
	PdfContentByte cb = writer.getDirectContent();
	Phrase explanation = new Phrase(
			"Automatic layers, form fields, images, templates and actions",
			new Font(Font.HELVETICA, 18, Font.BOLD, Color.red));
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, explanation, 50,
			650, 0);
	PdfLayer l1 = new PdfLayer("Layer 1", writer);
	PdfLayer l2 = new PdfLayer("Layer 2", writer);
	PdfLayer l3 = new PdfLayer("Layer 3", writer);
	PdfLayer l4 = new PdfLayer("Form and XObject Layer", writer);
	PdfLayerMembership m1 = new PdfLayerMembership(writer);
	m1.addMember(l2);
	m1.addMember(l3);
	Phrase p1 = new Phrase("Text in layer 1");
	Phrase p2 = new Phrase("Text in layer 2 or layer 3");
	Phrase p3 = new Phrase("Text in layer 3");
	cb.beginLayer(l1);
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, p1, 50, 600, 0f);
	cb.endLayer();
	cb.beginLayer(m1);
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, p2, 50, 550, 0);
	cb.endLayer();
	cb.beginLayer(l3);
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, p3, 50, 500, 0);
	cb.endLayer();
	TextField ff = new TextField(writer, new Rectangle(200, 600, 300, 620),
			"field1");
	ff.setBorderColor(Color.blue);
	ff.setBorderStyle(PdfBorderDictionary.STYLE_SOLID);
	ff.setBorderWidth(TextField.BORDER_WIDTH_THIN);
	ff.setText("I'm a form field");
	PdfFormField form = ff.getTextField();
	form.setLayer(l4);
	writer.addAnnotation(form);
	Image img = Image.getInstance(PdfTestBase.RESOURCES_DIR
			+ "pngnow.png");
	img.setLayer(l4);
	img.setAbsolutePosition(200, 550);
	cb.addImage(img);
	PdfTemplate tp = cb.createTemplate(100, 20);
	Phrase pt = new Phrase("I'm a template", new Font(Font.HELVETICA, 12,
			Font.NORMAL, Color.magenta));
	ColumnText.showTextAligned(tp, Element.ALIGN_LEFT, pt, 0, 0, 0);
	tp.setLayer(l4);
	tp.setBoundingBox(new Rectangle(0, -10, 100, 20));
	cb.addTemplate(tp, 200, 500);
	ArrayList<Object> state = new ArrayList<Object>();
	state.add("toggle");
	state.add(l1);
	state.add(l2);
	state.add(l3);
	state.add(l4);
	PdfAction action = PdfAction.setOCGstate(state, true);
	Chunk ck = new Chunk("Click here to toggle the layers", new Font(
			Font.HELVETICA, 18, Font.NORMAL, Color.yellow)).setBackground(
			Color.blue).setAction(action);
	ColumnText.showTextAligned(cb, Element.ALIGN_CENTER, new Phrase(ck),
			250, 400, 0);
	cb.sanityCheck();

	// step 5: closing the document
	document.close();
}
 

/**
 * @see com.lowagie.text.pdf.PdfPageEvent#onGenericTag(com.lowagie.text.pdf.PdfWriter,
 *      com.lowagie.text.Document, com.lowagie.text.Rectangle, java.lang.String)
 */
@Override
public void onGenericTag(PdfWriter writer, Document document, Rectangle rect, String text) {
	rect.setBottom(rect.getBottom() - 3);
	PdfFormField field = (PdfFormField) genericChunkFields.get(text);
	if (field == null) {
		TextField tf = new TextField(writer, new Rectangle(rect.getLeft(padding), rect.getBottom(padding), rect.getRight(padding), rect.getTop(padding)), text);
		tf.setFontSize(14);
		try {
			field = tf.getTextField();
		} catch (Exception e) {
			throw new ExceptionConverter(e);
		}
	} else {
		field.put(PdfName.RECT, new PdfRectangle(rect.getLeft(padding), rect.getBottom(padding), rect.getRight(padding), rect.getTop(padding)));
	}
	if (parent == null) {
		writer.addAnnotation(field);
	} else {
		parent.addKid(field);
	}
}
 

/**
 * @see com.lowagie.text.pdf.PdfPageEvent#onGenericTag(com.lowagie.text.pdf.PdfWriter, com.lowagie.text.Document, com.lowagie.text.Rectangle, java.lang.String)
 */
public void onGenericTag(PdfWriter writer, Document document,
		Rectangle rect, String text) {
	rect.setBottom(rect.getBottom() - 3);
	PdfFormField field = (PdfFormField) genericChunkFields.get(text);
	if (field == null) {
		TextField tf = new TextField(writer, new Rectangle(rect.getLeft(padding), rect.getBottom(padding), rect.getRight(padding), rect.getTop(padding)), text);
		tf.setFontSize(14);
		try {
			field = tf.getTextField();
		} catch (Exception e) {
			throw new ExceptionConverter(e);
		}
	}
	else {
		field.put(PdfName.RECT,  new PdfRectangle(rect.getLeft(padding), rect.getBottom(padding), rect.getRight(padding), rect.getTop(padding)));
	}
	if (parent == null)
		writer.addAnnotation(field);
	else
		parent.addKid(field);
}
 

/** Creates a new event. This constructor will be used if you need to position fields with a Cell Event. 
    * @throws DocumentException
    * @throws IOException*/
   public FieldPositioningEvents(PdfWriter writer, String text) throws IOException, DocumentException {
   	this.fieldWriter = writer;
   	TextField tf = new TextField(writer, new Rectangle(0, 0), text);
	tf.setFontSize(14);
	cellField = tf.getTextField();
}
 

/** Creates a new event. This constructor will be used if you need to position fields with a Cell Event. 
    * @throws DocumentException
    * @throws IOException*/
   public FieldPositioningEvents(PdfWriter writer, PdfFormField parent, String text) throws IOException, DocumentException {
   	this.parent = parent;
   	TextField tf = new TextField(writer, new Rectangle(0, 0), text);
	tf.setFontSize(14);
	cellField = tf.getTextField();
}
 

/**
 * @see com.lowagie.text.pdf.PdfPCellEvent#cellLayout(com.lowagie.text.pdf.PdfPCell,
 *      com.lowagie.text.Rectangle, com.lowagie.text.pdf.PdfContentByte[])
 */
public void cellLayout(PdfPCell cell, Rectangle position, PdfContentByte[] canvases) {
	TextField tf = new TextField(writer, position, fieldname);
	tf.setFontSize(12);
	try{
		PdfFormField field = tf.getTextField();
		writer.addAnnotation(field);
	} catch (Exception e) {
		throw new ExceptionConverter(e);
	}
}
 

/**
 * Creates a new event. This constructor will be used if you need to position fields with a Cell
 * Event.
 * 
 * @throws DocumentException
 * @throws IOException
 */
public FieldPositioningEvents(PdfWriter writer, String text) throws IOException, DocumentException {
	fieldWriter = writer;
	TextField tf = new TextField(writer, new Rectangle(0, 0), text);
	tf.setFontSize(14);
	cellField = tf.getTextField();
}
 

/**
 * Creates a new event. This constructor will be used if you need to position fields with a Cell
 * Event.
 * 
 * @throws DocumentException
 * @throws IOException
 */
public FieldPositioningEvents(PdfWriter writer, PdfFormField parent, String text) throws IOException, DocumentException {
	this.parent = parent;
	TextField tf = new TextField(writer, new Rectangle(0, 0), text);
	tf.setFontSize(14);
	cellField = tf.getTextField();
}