How to set table cell contents

[ashario]

Hi all

Ive spent the past few hours installing and configuring docx4j and playing around with a few of the sample classes.

I'm now at the point where I have created a table and want to set the contents of a specific cell, but I'm struggling to work out how to do this.

I have created a table with 3 rows and 3 columns.

Code: Select all

// try some styles
WordprocessingMLPackage wordMLPackage = WordprocessingMLPackage.createPackage();
wordMLPackage.getMainDocumentPart().addStyledParagraphOfText("Title", "Hello world");
wordMLPackage.getMainDocumentPart().addStyledParagraphOfText("Heading1", "Heading 1");
wordMLPackage.getMainDocumentPart().addStyledParagraphOfText("Heading2", "Heading 2");
wordMLPackage.getMainDocumentPart().addStyledParagraphOfText("Heading3", "Heading 3");
wordMLPackage.getMainDocumentPart().addParagraphOfText("from docx4j!");

// add an image
File file = new File("e:\\temp\\login_cqms.jpg" );
byte bytes[] = new byte[(int) file.length()];
bytes = FileUtils.readFileToByteArray(file);

String filenameHint = null;
String altText = null;
int id1 = 0;
int id2 = 1;

org.docx4j.wml.P p = newImage( wordMLPackage, bytes, filenameHint, altText, id1, id2 );
wordMLPackage.getMainDocumentPart().addObject(p);

// create a table
int writableWidthTwips = wordMLPackage.getDocumentModel().getSections().get(0).getPageDimensions().getWritableWidthTwips();
Tbl tbl = TblFactory.createTable(3, 3, writableWidthTwips/3);
wordMLPackage.getMainDocumentPart().addObject(tbl);

String filePath = "e:\\temp\\docx4j.docx";
wordMLPackage.save(new java.io.File(filePath) );


How, for example
a. would I reference the 3rd column in the 1st row and set its text to 'this is the text'?
b. insert an embedded image into the 2nd cell of the 1st row (Ive already managed to insert an image into a document, just not into a specific cell)?

Any help much appreciated.

[jason]

Welcome aboard

Table rows:

Code: Select all

      List<Object> rows = tbl.getEGContentRowContent();


Note that that list can contain things other that row (org.docx4j.wml.Tr) objects.

Note also that your tr object might be wrapped in a JAXBElement (you can use XmlUtils.unwrap to get it).

Cells:

Code: Select all

      List<Object> cells = tr.getEGContentCellContent();


Similar comments apply.

To put something in a cell, access its contents list:

Code: Select all

tc.getEGBlockLevelElts()

For example code, see TableModel.java. (This pre-dates XmlUtils.unwrap, which could simplify the code by removing the "instanceof javax.xml.bind.JAXBElement" statements)

Remember, you can run any docx through OpenMainDocumentAndTraverse and/or PartsList to see its structure in docx4j terms.

hth .. Jason

[ashario]

Thanks, yes that helps

Now, once i have a reference to a cell, how do I set its text contents, or add an object to it (ie like an image)?

I'm at the point where I can loop through rows and cells, but I'm sort of stumped as to how to 'add a text node' to a cell, so to speak.

[jason]

tc.getEGBlockLevelElts().add(yourpara)

The tc has a content list, just like the document body. But to add text to a table cell, you have to add a paragraph yourpara containing the text. Similarly for an image.

[ashario]

Ah, I get it now.

Pretty much any element can itself have multiple elements in it.

Thanks
Will try that out.

EDIT: Just in case anyone else is searching and wondering how to do this

Code: Select all

      int writableWidthTwips = wordMLPackage.getDocumentModel().getSections().get(0).getPageDimensions().getWritableWidthTwips();
      Tbl tbl = TblFactory.createTable(3, 3, writableWidthTwips/3);

      ObjectFactory of = new ObjectFactory();

      List rows = tbl.getEGContentRowContent();
      Tr row = (Tr) rows.get(0);
      List cells = row.getEGContentCellContent();
      Tc tc = (Tc) cells.get(0);

      tc.getEGBlockLevelElts().add( wordMLPackage.getMainDocumentPart().createParagraphOfText("some text that goes in the cell") );



Mind you, I'm guessing most tables are created with 0 rows, and the developer creates them on the fly and adds them to the table. THat's my next challenge I guess

[ashario]

Mind you, I'm guessing most tables are created with 0 rows, and the developer creates them on the fly and adds them to the table. THat's my next challenge I guess

And that's where I seem to be falling over now.

I'm trying to work out how to programatically create an empty table, and then loop through a collection of data and create one table row per item. The code compiles and runs, but I have messed up something in the internal docx XML, because I get the error below when I attempt to open the docx created.

The file xxx cannot be opened because there are problems with its contents
Location : Part : /word/document.xml, Line: 1, Column 4040

The code causing the problem is my table generation code below. I'm trying to first create an empty table with 5 columns, then I create the 'header' row containing column headings. Lastly I'm trying to add rows, each row having 5 columns.

Code: Select all

      wordMLPackage.getMainDocumentPart().addStyledParagraphOfText("Heading2", "Credentialing Progress");
      Tbl tblCredProg = TblFactory.createTable(0, 5, writableWidthTwips/5);

      Tr thead = factory.createTr();
      addTc(thead, "Centre");
      addTc(thead, "Facility Questionnaire");
      addTc(thead, "Benchmarking");
      addTc(thead, "Site Visit");
      addTc(thead, "Overall Result");
      tblCredProg.getEGContentRowContent().add(thead);

      for (Iterator<TrialForm> it = credForms.iterator(); it.hasNext(); ) {
         TrialForm tf = it.next();
         Tr tr = factory.createTr();
         addTc(tr , tf.getAccrual().getSite().getSiteName());
         addTc(tr , tf.getSingleByReportingTag(ReportingTag.CRED_FAC_QUESTIONNAIRE));
         addTc(tr , tf.getSingleByReportingTag(ReportingTag.CRED_BENCHMARKING));
         addTc(tr , tf.getSingleByReportingTag(ReportingTag.CRED_SITE_VISIT));
         addTc(tr , tf.getSingleByReportingTag(ReportingTag.CRED_OVERALL_RESULT));

         tblCredProg.getEGContentRowContent().add(tr);
      }

      wordMLPackage.getMainDocumentPart().addObject(tblCredProg);


The getSingleByReportingTag() returns a String. The addTc() method is below

Code: Select all

protected void addTc(Tr tr, String text) {
   Tc tc = factory.createTc();
   tc.getEGBlockLevelElts().add( wordMLPackage.getMainDocumentPart().createParagraphOfText(text) );
   tr.getEGContentCellContent().add( tc );
}


If someone out there has an example of how to programatically create rows, then cells within each row, then add the rows to a table, that would be greatly appreciated.

Thanks

[ashario]

Replacing the line

Code: Select all

Tbl tblCredProg = TblFactory.createTable(0, 5, writableWidthTwips/5);

with

Code: Select all

Tbl tblCredProg = factory.createTbl();

seemed to do the trick.

[IgorShevchenko]

Hi,

I've add an image to the table cell like:
org.docx4j.wml.P p = newImage(wordMLPackage, bytes, filenameHint,altText, id1, id2);
tc.getEGBlockLevelElts().add(p);

Image was added successfully but "Enter" is added before the image. Seems that "\n" was added before the image.
It looks in a cell like:

-----------------
| |
| my_image |
-----------------

How can I delete the "\n" before the image?

Thanks,
Igor

[IgorShevchenko]

The problem was solved,
Not relevant anymore.

Thanks,
Igor