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https://issues.apache.org/jira/browse/UIMA-2273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13143958#comment-13143958
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Peter Klügl commented on UIMA-2273:
-----------------------------------
I wonder a bit about two methods:
FeatureStructureTreeContentProvider (fsview)
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
if (oldInput != null) {
mDocument.removeChangeListener(this);
}
if (newInput == null) {
mCurrentType = null;
return;
}
mCurrentType = (Type) newInput;
mDocument.addChangeListener(this);
Display.getDefault().syncExec(new Runnable() {
public void run() {
mFSList.refresh();
}
});
}
and
FeatureStructureContentProvider (editview)
public void inputChanged(final Viewer viewer, Object oldInput, Object newInput)
{
this.viewer = viewer;
if (newInput != null) {
Display.getDefault().syncExec(new Runnable() {
public void run() {
viewer.refresh();
}
});
}
}
Both methods do not contain any logic for exchanging the listener and do not
use the the document as input (needs to be set). So I guess I implement the
logic in the new casDocumentChanged method?
> Let CAS Editor implement IResourceChangeListener
> ------------------------------------------------
>
> Key: UIMA-2273
> URL: https://issues.apache.org/jira/browse/UIMA-2273
> Project: UIMA
> Issue Type: New Feature
> Components: CasEditor
> Affects Versions: 2.4.0SDK
> Reporter: Peter Klügl
> Assignee: Peter Klügl
> Priority: Minor
> Fix For: 2.4.0SDK
>
>
> Some functionality to automatically update a opened CAS in the CAS editor if
> the file was changed would be really nice. I don't know for sure, if this
> functionality is missing or I simply didn't find it in the code and in
> Eclipse. In any case, I haven't found a IResourceChangeListener
> implementation and that is how I would have done it.
> The general communication shouldn't be a problem to implement, but - in my
> experience - updating all necessary elements can be tricky. The interface for
> changing a view can maybe be used and has probably to be extended.
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