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

Introduction

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

Prototype

PdfName E

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

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Document

A name

Usage

From source file:classroom.newspaper_b.Newspaper09.java

public static void main(String[] args) {
    try {//from  w  w  w . j a v  a2  s.  c  o 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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