Review Request 113849: Lazy-load the item data also in Compact View

[Commit Hook]

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This review has been submitted with commit 3dc7c849c08bb4423c9742b8557ae6538c98285e by Frank Reininghaus to branch KDE/4.12.

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On Nov. 14, 2013, 8:30 a.m., Frank Reininghaus wrote:
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> (Updated Nov. 14, 2013, 8:30 a.m.)
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> Review request for Dolphin.
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> Repository: kde-baseapps
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> Description
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> My recent changes that prevent that all data for each item are saved in a QHash already when loading the folder (see https://git.reviewboard.kde.org/r/112725/), which save both memory and time, do not work yet in Compact View, because KItemListWidgetInformant::itemSizeHint() calls the model's data(int) method for every item, which initializes the hash.
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> This patch prevents that by accessing the file name directly if only the "Name" is shown in the view, just like it's done in Icons View.
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> Diffs
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>   dolphin/src/kitemviews/kstandarditemlistwidget.cpp 302150f 
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> Diff: http://git.reviewboard.kde.org/r/113849/diff/
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> Testing
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> I could not find any regressions. Memory usage in Compact View is now comparable to Icons/Details.
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> Thanks,
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> Frank Reininghaus
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