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https://issues.apache.org/jira/browse/PIVOT-878?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sandro Martini updated PIVOT-878:
---------------------------------
Fix Version/s: 2.1
Assignee: Roger Whitcomb
Hi, if I remember well there are others related improvements for
FileBrowser/Sheet but for Pivot 2.1 .
But I'm not against to solve it before (2.0.x) if someone has enough
time/intersts on it ...
Thanks for now.
> Show FileBrowserSheet while Initializing
> ----------------------------------------
>
> Key: PIVOT-878
> URL: https://issues.apache.org/jira/browse/PIVOT-878
> Project: Pivot
> Issue Type: Improvement
> Components: wtk-terra
> Affects Versions: 2.0.2
> Environment: All (Mostly Windows)
> Reporter: Ronald Thomas
> Assignee: Roger Whitcomb
> Priority: Minor
> Labels: Browsing, File, FileBrowserSheet, performance,
> responsiveness, wtk, wtk-terra
> Fix For: 2.1
>
>
> If the list of file roots returned by
> http://docs.oracle.com/javase/1.4.2/docs/api/java/io/File.html#listRoots()
> includes more than a few network drives (primarily on windows where each
> mapped drive is its own "file system root"), or if the initial path on the
> FileBrowserSheet maps to a device that takes a while to "spin up", the
> FileBrowserSheet may not appear on the screen for several seconds making the
> Pivot app appear unresponsive. It would help if there were some indication
> of activity immediately after the call to the FileBrowserSheet.open() method.
> The FileBrowserSheet could be displayed in a "loading" mode and then
> switched to its normal display mode once the potentially long-running
> initialization has completed.
> In this case, the long running code is around line 936-947 of the 2.0.2
> release source file at
> wtk-terra\src\org\apache\pivot\wtk\skin\terra\TerraFileBrowserSkin.java
> Steps to reproduce:
> # Create a Pivot application that opens a FileBrowserSheet using a button.
> # Map about 6 network drives or connect external hard drives to drive letters
> on a machine running windows
> # Wait enough time for the power-management "spin down" on some or all of the
> mapped or connected drives
> # Run the Pivot application and click the button that opens the
> FileBrowserSheet
> # *Nothing appears to be happening for several seconds* (far too long) while
> the JVM collects the results of File.listRoots() to populate the
> "driveListButton" listData.
> # Finally after several seconds, the FileBrowserSheet appears.
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