Example usage for com.lowagie.text.pdf PdfName PARENT

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfName PARENT.

Prototype

PdfName PARENT

To view the source code for com.lowagie.text.pdf PdfName PARENT.

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Document

A name

Usage

From source file:classroom.newspaper_b.Newspaper09.java

public static void main(String[] args) {
    try {// ww  w .j av  a  2  s  .  co m
        PdfReader reader = new PdfReader(NEWSPAPER);
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));

        PdfAnnotation annotation1 = PdfAnnotation.createSquareCircle(stamper.getWriter(),
                new Rectangle(LLX1, LLY1, URX1, URY1), MESSAGE, true);
        annotation1.put(PdfName.T, new PdfString("Advertisement 1"));
        annotation1.put(PdfName.C, new PdfArray(new float[] { 1, 0, 0 }));
        stamper.addAnnotation(annotation1, 1);

        PdfAnnotation annotation2 = PdfAnnotation.createText(stamper.getWriter(),
                new Rectangle(LLX2, LLY2, URX2, URY2), "Advertisement 2", MESSAGE, false, null);
        annotation2.put(PdfName.NM, new PdfString("ad2"));
        // the text must be read only, and the annotation set to NOVIEW
        annotation2.put(PdfName.F, new PdfNumber(PdfAnnotation.FLAGS_READONLY | PdfAnnotation.FLAGS_NOVIEW));

        // we create a popup annotation that will define where the rectangle will appear
        PdfAnnotation popup = PdfAnnotation.createPopup(stamper.getWriter(),
                new Rectangle(LLX2 + 50, LLY2 + 120, URX2 - 80, URY2 - 120), null, false);

        // we add a reference to the text annotation to the popup annotation
        popup.put(PdfName.PARENT, annotation2.getIndirectReference());
        // we add a reference to the popup annotation to the text annotation
        annotation2.put(PdfName.POPUP, popup.getIndirectReference());

        // we add both annotations to the writer
        stamper.addAnnotation(annotation2, 1);
        stamper.addAnnotation(popup, 1);

        // the text annotation can't be viewed (it's invisible)
        // we create a widget annotation named mywidget (it's a button field)
        PushbuttonField field = new PushbuttonField(stamper.getWriter(), new Rectangle(LLX2, LLY2, URX2, URY2),
                "button");
        PdfAnnotation widget = field.getField();
        PdfDictionary dict = new PdfDictionary();
        // we write some javascript that makes the popup of the text annotation visible/invisible on mouse enter/exit
        String js1 = "var t = this.getAnnot(this.pageNum, 'ad2'); t.popupOpen = true; var w = this.getField('button'); w.setFocus();";
        PdfAction enter = PdfAction.javaScript(js1, stamper.getWriter());
        dict.put(PdfName.E, enter);
        String js2 = "var t = this.getAnnot(this.pageNum, 'ad2'); t.popupOpen = false;";
        PdfAction exit = PdfAction.javaScript(js2, stamper.getWriter());
        dict.put(PdfName.X, exit);
        // we add the javascript as additional action
        widget.put(PdfName.AA, dict);
        // we add the button field
        stamper.addAnnotation(widget, 1);

        stamper.close();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (DocumentException e) {
        e.printStackTrace();
    }
}

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