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https://issues.apache.org/jira/browse/PDFBOX-2849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14610206#comment-14610206
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Maruan Sahyoun commented on PDFBOX-2849:
----------------------------------------
There need to be some more changes to check boxes as the current implementation
assumes that the On value is always COSName.Yes. As the spec has a 'should' for
that we can't rely on that. I propose that we
- change getValue/getDefaultValue to return the actual value
- allow setValue/setDefaultValue to use an (arbritary) string and throw an
IllegalArgumentException if the value doesn't match the potential values
- adjust check/uncheck/isChecked accordingly
- add getSelectableValues() to return a list of possible options
In another step we need to deal with fields where there is no appearance
defined (which shouldn't be the case for properly defined fields)
WDYT?
> implement appearance generation for buttons
> -------------------------------------------
>
> Key: PDFBOX-2849
> URL: https://issues.apache.org/jira/browse/PDFBOX-2849
> Project: PDFBox
> Issue Type: Sub-task
> Components: AcroForm
> Affects Versions: 2.0.0
> Reporter: Tilman Hausherr
> Fix For: 2.0.0
>
> Attachments: TestTemplate.pdf
>
>
> This code
> {code}
> PDField newField =
> tplDoc.getDocumentCatalog().getAcroForm().getField("01.20.Entry1");
> PDCheckbox newCheckBoxField = (PDCheckbox) newField;
> newCheckBoxField.check();
> {code}
> brings this exception:
> {code}
> Exception in thread "main" java.lang.UnsupportedOperationException: not
> implemented
> at
> org.apache.pdfbox.pdmodel.interactive.form.PDButton.constructAppearances(PDButton.java:225)
> at
> org.apache.pdfbox.pdmodel.interactive.form.PDTerminalField.applyChange(PDTerminalField.java:220)
> at
> org.apache.pdfbox.pdmodel.interactive.form.PDCheckbox.setValue(PDCheckbox.java:128)
> at
> org.apache.pdfbox.pdmodel.interactive.form.PDCheckbox.check(PDCheckbox.java:71)
> {code}
> what did work is this:
> {code}
> newCheckBoxField.getCOSObject().setItem(COSName.V, vValue);
> newCheckBoxField.getCOSObject().setItem(COSName.AS, asValue);
> {code}
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