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Posted to commits@netbeans.apache.org by "Svatopluk Dedic (Jira)" <ji...@apache.org> on 2019/10/18 15:42:00 UTC
[jira] [Created] (NETBEANS-3252) Explorer ListView provides invalid
node list contents during events
Svatopluk Dedic created NETBEANS-3252:
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Summary: Explorer ListView provides invalid node list contents during events
Key: NETBEANS-3252
URL: https://issues.apache.org/jira/browse/NETBEANS-3252
Project: NetBeans
Issue Type: Bug
Components: platform - Explorer
Reporter: Svatopluk Dedic
I have an implementation of ListView with checkboxes for individual displayed Nodes. The *NodeListModel* maintains a cache of nodes, so it can compute node vertical index considering nodes in individual subtrees.
When firing *contentsChanged* event, the cache is not cleared *before* the event; so if an event listener attempts to access the visualizer cache (i.e. *getIndex(*)), it gets an incorrect data.
A workaround is to schedule the action to another Swing event, but I'd rather fix the bug.
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