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Java Source Code / Java Documentation » PDF » pdf itext » com.lowagie.text.pdf 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   com.lowagie.text.pdf.PdfPageEventHelper

All known Subclasses:   com.lowagie.text.pdf.events.IndexEvents,  com.lowagie.text.pdf.events.FieldPositioningEvents,
PdfPageEventHelper
public class PdfPageEventHelper implements PdfPageEvent(Code)
Helps the use of PdfPageEvent by implementing all the interface methods. A class can extend PdfPageEventHelper and only implement the needed methods.

Note: do not use Document.add() inside a page event.
author:
   Paulo Soares (psoares@consiste.pt)





Method Summary
public  voidonChapter(PdfWriter writer, Document document, float paragraphPosition, Paragraph title)
     Called when a Chapter is written.
public  voidonChapterEnd(PdfWriter writer, Document document, float position)
     Called when the end of a Chapter is reached.
public  voidonCloseDocument(PdfWriter writer, Document document)
     Called when the document is closed.
public  voidonEndPage(PdfWriter writer, Document document)
     Called when a page is finished, just before being written to the document.
public  voidonGenericTag(PdfWriter writer, Document document, Rectangle rect, String text)
     Called when a Chunk with a generic tag is written.
public  voidonOpenDocument(PdfWriter writer, Document document)
     Called when the document is opened.
public  voidonParagraph(PdfWriter writer, Document document, float paragraphPosition)
     Called when a Paragraph is written.

paragraphPosition will hold the height at which the paragraph will be written to.

public  voidonParagraphEnd(PdfWriter writer, Document document, float paragraphPosition)
     Called when a Paragraph is written.
public  voidonSection(PdfWriter writer, Document document, float paragraphPosition, int depth, Paragraph title)
     Called when a Section is written.
public  voidonSectionEnd(PdfWriter writer, Document document, float position)
     Called when the end of a Section is reached.
public  voidonStartPage(PdfWriter writer, Document document)
     Called when a page is initialized.

Note that if even if a page is not written this method is still called.




Method Detail
onChapter
public void onChapter(PdfWriter writer, Document document, float paragraphPosition, Paragraph title)(Code)
Called when a Chapter is written.

position will hold the height at which the chapter will be written to.
Parameters:
  writer - the PdfWriter for this document
Parameters:
  document - the document
Parameters:
  paragraphPosition - the position the chapter will be written to
Parameters:
  title - the title of the Chapter




onChapterEnd
public void onChapterEnd(PdfWriter writer, Document document, float position)(Code)
Called when the end of a Chapter is reached.

position will hold the height of the end of the chapter.
Parameters:
  writer - the PdfWriter for this document
Parameters:
  document - the document
Parameters:
  position - the position of the end of the chapter.




onCloseDocument
public void onCloseDocument(PdfWriter writer, Document document)(Code)
Called when the document is closed.

Note that this method is called with the page number equal to the last page plus one.
Parameters:
  writer - the PdfWriter for this document
Parameters:
  document - the document




onEndPage
public void onEndPage(PdfWriter writer, Document document)(Code)
Called when a page is finished, just before being written to the document.
Parameters:
  writer - the PdfWriter for this document
Parameters:
  document - the document



onGenericTag
public void onGenericTag(PdfWriter writer, Document document, Rectangle rect, String text)(Code)
Called when a Chunk with a generic tag is written.

It is usefull to pinpoint the Chunk location to generate bookmarks, for example.
Parameters:
  writer - the PdfWriter for this document
Parameters:
  document - the document
Parameters:
  rect - the Rectangle containing the Chunk
Parameters:
  text - the text of the tag




onOpenDocument
public void onOpenDocument(PdfWriter writer, Document document)(Code)
Called when the document is opened.
Parameters:
  writer - the PdfWriter for this document
Parameters:
  document - the document



onParagraph
public void onParagraph(PdfWriter writer, Document document, float paragraphPosition)(Code)
Called when a Paragraph is written.

paragraphPosition will hold the height at which the paragraph will be written to. This is useful to insert bookmarks with more control.
Parameters:
  writer - the PdfWriter for this document
Parameters:
  document - the document
Parameters:
  paragraphPosition - the position the paragraph will be written to




onParagraphEnd
public void onParagraphEnd(PdfWriter writer, Document document, float paragraphPosition)(Code)
Called when a Paragraph is written.

paragraphPosition will hold the height of the end of the paragraph.
Parameters:
  writer - the PdfWriter for this document
Parameters:
  document - the document
Parameters:
  paragraphPosition - the position of the end of the paragraph




onSection
public void onSection(PdfWriter writer, Document document, float paragraphPosition, int depth, Paragraph title)(Code)
Called when a Section is written.

position will hold the height at which the section will be written to.
Parameters:
  writer - the PdfWriter for this document
Parameters:
  document - the document
Parameters:
  paragraphPosition - the position the section will be written to
Parameters:
  depth - the number depth of the Section
Parameters:
  title - the title of the section




onSectionEnd
public void onSectionEnd(PdfWriter writer, Document document, float position)(Code)
Called when the end of a Section is reached.

position will hold the height of the section end.
Parameters:
  writer - the PdfWriter for this document
Parameters:
  document - the document
Parameters:
  position - the position of the end of the section




onStartPage
public void onStartPage(PdfWriter writer, Document document)(Code)
Called when a page is initialized.

Note that if even if a page is not written this method is still called. It is preferable to use onEndPage to avoid infinite loops.
Parameters:
  writer - the PdfWriter for this document
Parameters:
  document - the document




Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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