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List:       kde-panel-devel
Subject:    Re: Review Request 123426: Kickoff is not mounting removable devices and shows "Invalid URL"
From:       "David Edmundson" <david () davidedmundson ! co ! uk>
Date:       2015-04-19 10:35:02
Message-ID: 20150419103502.5926.26320 () mimi ! kde ! org
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OK, thanks for the explanation. Will merge.

- David Edmundson


On April 19, 2015, 9:52 a.m., Konrad Materka wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/123426/
> -----------------------------------------------------------
> 
> (Updated April 19, 2015, 9:52 a.m.)
> 
> 
> Review request for Plasma.
> 
> 
> Bugs: 346002
> None
> 
> 
> Description
> -------
> 
> Fixed version of /r/123350/
> 
> Why VisualDelegateModel? It may be workaround/hack/you name it but it was the only \
> way I found acceptable. You need to pass QModelIndex to openItem and I don't know \
> how to get it using plain ListView and SystemModel. VisualDelegateModel has a \
> convenience method modelIndex which is already used in KickoffItem.qml (but only if \
> ApplicationsView tab is active). I changed BaseView to use VisualDelegateModel to \
> have modelIndex method and to be more consistent with ApplicaitonView.  
> "this change seems uneeded; we're using modelIndex fine in the old code, see line \
> 40 in KickoffItem.qml  in the old code. (unless maybe that didn't work ?)
> My understanding is setting the model to a QAIM, internally just creates a VDM \
> anyway." 
> It didn't work. modelIndex is used only if flag hasModelChildren is set to true. \
> That can happen only for ApplicationView, as only there children exist. Also \
> ApplicationView uses VisualDataModel explicitly, so method modelIndex is available. \
> In SystemView model is set directly, VisualDataModel is not created implicitly (or \
> even if it is it is not accessible). In other words listItem.ListView.view.model \
> returns SystemModel object which is QAbstractProxyModel/QAbstractItemModel \
> implementation. SystemModel does not have any slot that would be usefull in this \
> case. Passing "model" variable is not an option. It would be a good idea as it \
> contains all data related to current item but this is internal QML/Qt Quick class. 
> In KDE 4 it was not a problem as it was easy to get QModelIndex from event (lines \
> 860 - 878): https://projects.kde.org/projects/kde/kde-workspace/repository/entry/plasma/desktop/applets/kickoff/ui/launcher.cpp?rev=KDE%2F4.9
>  
> 
> Diffs
> -----
> 
> 
> Diff: https://git.reviewboard.kde.org/r/123426/diff/
> 
> 
> Testing
> -------
> 
> I was able to reproduce bug using latest GIT code.
> Screenshots, first shows not mounted removable device, second is error message (in \
> Polish): https://www.dropbox.com/s/8vcokx17kmn3onw/zrzut%20ekranu1.png?dl=0&s=sl
> https://www.dropbox.com/s/sqkci1z1fhb3h3p/zrzut%20ekranu2.png?dl=0&s=sl
> 
> In console I can find this message:
> Opening item with URL ""
> 
> It looks that KFilePlacesModel->url(index) returns empty string for not mounted \
> devices. I have 5.9.0 version of libkf5kiocore5 installed. 
> Patch fixed mounting. I also tested all tabs, all items works as expected.
> 
> 
> File Attachments
> ----------------
> 
> Use VisualDataModel->modelIndex in openItem
> https://git.reviewboard.kde.org/media/uploaded/files/2015/04/19/4a0d0c4d-0f76-429b-8c4a-6f9ba9856816__Bug-346002.patch
>  
> 
> Thanks,
> 
> Konrad Materka
> 
> 


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      This is an automatically generated e-mail. To reply, visit:
      <a href="https://git.reviewboard.kde.org/r/123426/">https://git.reviewboard.kde.org/r/123426/</a>
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 <pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: \
-pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: \
0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">OK, \
thanks for the explanation. Will merge.</p></pre>  <br />









<p>- David Edmundson</p>


<br />
<p>On April 19th, 2015, 9:52 a.m. UTC, Konrad Materka wrote:</p>








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<div>Review request for Plasma.</div>
<div>By Konrad Materka.</div>


<p style="color: grey;"><i>Updated April 19, 2015, 9:52 a.m.</i></p>







<div style="margin-top: 1.5em;">
 <b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>


 <a href="None">346002</a>


</div>




<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
 <table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" \
style="border: 1px solid #b8b5a0">  <tr>
  <td>
   <pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: \
inherit;white-space: inherit;">Fixed version of /r/123350/</p> <p style="padding: \
0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Why \
VisualDelegateModel? It may be workaround/hack/you name it but it was the only way I \
found acceptable. You need to pass QModelIndex to openItem and I don't know how to \
get it using plain ListView and SystemModel. VisualDelegateModel has a convenience \
method modelIndex which is already used in KickoffItem.qml (but only if \
ApplicationsView tab is active). I changed BaseView to use VisualDelegateModel to \
have modelIndex method and to be more consistent with ApplicaitonView. </p> <p \
style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: \
inherit;">"this change seems uneeded; we're using modelIndex fine in the old code, \
see line 40 in KickoffItem.qml  in the old code. (unless maybe that didn't work ?)
My understanding is setting the model to a QAIM, internally just creates a VDM \
anyway."</p> <p style="padding: 0;text-rendering: inherit;margin: 0;line-height: \
inherit;white-space: inherit;">It didn't work. modelIndex is used only if flag \
hasModelChildren is set to true. That can happen only for ApplicationView, as only \
there children exist. Also ApplicationView uses VisualDataModel explicitly, so method \
modelIndex is available. In SystemView model is set directly, VisualDataModel is not \
created implicitly (or even if it is it is not accessible). In other words \
listItem.ListView.view.model returns SystemModel object which is \
QAbstractProxyModel/QAbstractItemModel implementation. SystemModel does not have any \
slot that would be usefull in this case. Passing "model" variable is not an option. \
It would be a good idea as it contains all data related to current item but this is \
internal QML/Qt Quick class.</p> <p style="padding: 0;text-rendering: inherit;margin: \
0;line-height: inherit;white-space: inherit;">In KDE 4 it was not a problem as it was \
easy to get QModelIndex from event (lines 860 - 878): \
https://projects.kde.org/projects/kde/kde-workspace/repository/entry/plasma/desktop/applets/kickoff/ui/launcher.cpp?rev=KDE%2F4.9</p></pre>
  </td>
 </tr>
</table>


<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: \
1px solid #b8b5a0">  <tr>
  <td>
   <pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: \
inherit;white-space: inherit;">I was able to reproduce bug using latest GIT code. \
Screenshots, first shows not mounted removable device, second is error message (in \
Polish): https://www.dropbox.com/s/8vcokx17kmn3onw/zrzut%20ekranu1.png?dl=0&amp;s=sl
https://www.dropbox.com/s/sqkci1z1fhb3h3p/zrzut%20ekranu2.png?dl=0&amp;s=sl</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: \
inherit;white-space: inherit;">In console I can find this message: Opening item with \
URL ""</p> <p style="padding: 0;text-rendering: inherit;margin: 0;line-height: \
inherit;white-space: inherit;">It looks that KFilePlacesModel-&gt;url(index) returns \
empty string for not mounted devices. I have 5.9.0 version of libkf5kiocore5 \
installed.</p> <p style="padding: 0;text-rendering: inherit;margin: 0;line-height: \
inherit;white-space: inherit;">Patch fixed mounting. I also tested all tabs, all \
items works as expected.</p></pre>  </td>
 </tr>
</table>


<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">

</ul>

<p><a href="https://git.reviewboard.kde.org/r/123426/diff/" style="margin-left: \
3em;">View Diff</a></p>



<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">File Attachments \
</h1>


 <li><a href="https://git.reviewboard.kde.org/media/uploaded/files/2015/04/19/4a0d0c4d-0f76-429b-8c4a-6f9ba9856816__Bug-346002.patch">Use \
VisualDataModel-&gt;modelIndex in openItem</a></li>

</ul>




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