[jira] [Created] (PDFBOX-1750) PDTextbox and PDAnnotationWidget are not correct initialized from it's own constructor .

[chen zhenyu (JIRA)]

chen zhenyu created PDFBOX-1750:
-----------------------------------

             Summary: PDTextbox and PDAnnotationWidget are not correct 
initialized from it's own constructor .
                 Key: PDFBOX-1750
                 URL: https://issues.apache.org/jira/browse/PDFBOX-1750
             Project: PDFBox
          Issue Type: Bug
          Components: PDModel.AcroForm
    Affects Versions: 1.8.2
            Reporter: chen zhenyu


I find 2 Bugs in interactive.form, And I have resolved this 2 Bug. Here are the 
Code

1.       I want make new Textbox in pdf. It always failed because the type flag 
 “COSName.FT,="Tx"” never be set in the constructor. 
The PDTextbox can only be correct initialized from COSDictionary.( That is only 
initialized from exist pdf file) .
I fixed this by add “getDictionary().setName(COSName.FT, "Tx");” in the 
constructor of PDTextbox. 
Maybe it’s not right place, but works in my project. 

public PDTextbox( PDAcroForm theAcroForm )
    {
        super( theAcroForm );
        getDictionary().setName(COSName.FT, "Tx");
}
public PDTextbox( PDAcroForm theAcroForm, COSDictionary field)
  {
        super( theAcroForm, field);
        getDictionary().setName(COSName.FT, "Tx");
  }
2.      Same Bug in PDAnnotationWidget. Only the default constructor initialize 
the type flag  “COSName.SUBTYPE,= "Widget"”. 
But the default constructor were never be used. So I must use the 
PDAnnotationWidget to initialize the new PDTextbox, like blow.

PDAnnotationWidget Widget = new PDAnnotationWidget();
PDTextbox textBox = new PDTextbox(acroForm,Widget.getDictionary());

Otherwise I got an empty  PDAnnotationWidget from PDTextbox .getWidget().
Something not correct in PDField .getWidget(). 
If the the PDField create from user(not read from exist pdf file), the 
getWidget cannot get an correct initialized PDAnnotationWidget. The 
COSName.SUBTYPE will never be set.

Maybe the similar Bug in the whole org.apache.pdfbox.pdmodel.interactive.form: 
the COSDictionary  of element are not initialized when user create it manually 
(Typical to insert new acroform  element).

I hope  that I can give  something help  to this opensource Project.
Could you check this and fix in next Version?




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