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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] [Updated] (NETBEANS-3252) Explorer ListView provides invalid
node list contents during events
[ https://issues.apache.org/jira/browse/NETBEANS-3252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Svatopluk Dedic updated NETBEANS-3252:
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Description:
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.
was:
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.
> 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
> Assignee: Svatopluk Dedic
> Priority: Major
>
> 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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