TextArea - removed text event, unable to retrieve removed text
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Key: PIVOT-838
URL: https://issues.apache.org/jira/browse/PIVOT-838
Project: Pivot
Issue Type: Bug
Components: wtk
Affects Versions: 2.0.1
Reporter: Imbue Lab
There is no possibility to get information about text removed from TextArea
component. In the ParagraphListener there are two methods:
- void textInserted(Paragraph paragraph, int index, int count) - this one is
OK, information about inserted text can be retrieved from the paragraph's
CharSequence (using getCharacters() method), there is everything what is
needed: index and count
- void textRemoved(Paragraph paragraph, int index, int count) - here the
problem begins, paragraph received as parameter has no text that was removed
because it has been already removed.
Of course one can make a deep copy of paragraph's characters (every time it
changed) and search for removed text using previously created copy, but is it
really too expensive.
I checked the source and in the TextArea.Paragraph class in the method void
removeText(int index, int count) there is a line where real text removal
operation takes place: characters.delete(index, index + count), but removed
text is not stored or passed to any of the listeners.
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