Unfortunately no, I just avoided using them in the end ;)
-Magnus
On 17/10/2011 14:54, Bastien AMIEL wrote:
> Hi Magnus,
>
> Yes my model contains such characters.
> Did you solve your problem ?
>
> Bastien
>
> Le 17/10/2011 14:28, Magnus Arntzen a écrit :
>> Hi Bastien,
>>
>> I had a similar error when my model contained a non-valid UTF8 character
>> which got decoded to this: �
>>
>> In the WTableView it did not produce an error until I sorted. Then I got
>> same error as you.
>>
>> Could it be that your model contains any of these characters?
>>
>> -Magnus
>>
>>
>>
>> On 17/10/2011 11:51, Bastien AMIEL wrote:
>>> The exception is not generated by a lexical_cast that I do on my code,
>>> but by WT converting some (bad) data I send.
>>> This exception is generated when i use a custom WItemDelegate, I create
>>> it like this :
>>>
>>> mtableView->setItemDelegateForColumn(3, new
>>> WidgetCustomItemDelegate(this));
>>>
>>>
>>> The update function of my own WItemItemDelegate look like this :
>>>
>>> ---------------------------------------
>>> Wt::WWidget*WidgetCustomItemDelegate::update(Wt::WWidget*widget,constWt::WModelIndex&index,Wt::WFlags<Wt::ViewItemRenderFlag>flags)
>>>
>>>
>>> {
>>>
>>> WString path;
>>>
>>> WString displayRole;
>>>
>>> if ( index.data(UserRole).type() == typeid(WString))
>>>
>>> {
>>>
>>> path = boost::any_cast<WString>(index.data(UserRole));
>>>
>>> }
>>>
>>> if ( index.data(DisplayRole).type() == typeid(WString))
>>>
>>> {
>>>
>>> displayRole =
>>> boost::any_cast<WString>(index.data(DisplayRole));
>>>
>>> }
>>>
>>> bool isNew = false;
>>>
>>> if (!(flags& RenderEditing))
>>>
>>> {
>>>
>>> if (!widget)
>>>
>>> {
>>>
>>> isNew = true;
>>>
>>> Wt::WText * text = new Wt::WText();
>>>
>>> Wt::WContainerWidget * container = new
>>> Wt::WContainerWidget();
>>>
>>> Wt::WHBoxLayout * layout = new Wt::WHBoxLayout();
>>>
>>> layout->setContentsMargins(2,4,2,6);
>>>
>>> container->setLayout(layout);
>>>
>>> layout->addWidget(text);
>>>
>>> container->setObjectName("container");
>>>
>>> text->setText(displayRole);
>>>
>>> text->setToolTip(path);
>>>
>>>
>>> text->clicked().connect(this,&WidgetCustomItemDelegate::clicked);
>>>
>>> widget = container;
>>>
>>> }
>>>
>>> if (!index.isValid())
>>>
>>> return widget;
>>>
>>> Wt::WContainerWidget * container =
>>> dynamic_cast<Wt::WContainerWidget *>(widget->find("container"));
>>>
>>> if (container)
>>>
>>> {
>>>
>>> Wt::WText * text = dynamic_cast<Wt::WText
>>> *>(container->widget(0));
>>>
>>> if (text)
>>>
>>> {
>>>
>>> text->setText(displayRole);
>>>
>>> text->setToolTip(path);
>>>
>>> }
>>>
>>> }
>>>
>>> }
>>>
>>> return widget;
>>> }
>>> --------------------------------
>>>
>>> Is there anything wrong with this update function ? I tried to look the Wt
>>> way to use WItemDelegate cause I didn't understand how it should be used.
>>> ( I need this item delegate to be able to connect a click event on a
>>> tableView item. )
>>>
>>>
>>>
>>> Le 14/10/2011 19:32, Mohammed Rashad a écrit :
>>>> please post the code which contains boost::lexical_cast<>
>>>> you may be converting fundamental datatypes such string to int or
>>>> something like that
>>>>
>>>> On Fri, Oct 14, 2011 at 5:57 PM, Koen Deforche<[email protected]
>>>> <mailto:[email protected]>> wrote:
>>>>
>>>> Hey Bastien,
>>>>
>>>> 2011/10/14 Bastien AMIEL<[email protected]
>>>> <mailto:[email protected]>>:
>>>> > Hi,
>>>> >
>>>> > I get a crash (that reset the current session) while i'm using
>>>> WTableView
>>>> > with some Custom WItemDelegate.
>>>> > The crash does not come as soon as I open the page, it happens
>>>> after some
>>>> > elements are deleted and added to a different WTableView.
>>>> > I do not use InternalPath.
>>>> > I display UTF8 characters.
>>>> >
>>>> > I get this log :
>>>> >
>>>> > [error] "Error during event handling: bad lexical cast: source
>>>> type value
>>>> > could not be interpreted as target"
>>>> > [fatal] "bad lexical cast: source type value could not be
>>>> interpreted as
>>>> > target"
>>>> > [notice] "Session destroyed (#sessions = 0)"
>>>> >
>>>> >
>>>> > Any idea of what could cause this kind of problem ?
>>>>
>>>> I would try to find out by breaking on an exception being thrown (in
>>>> gdb: catch throw) and then see what happens ?
>>>>
>>>> boost::lexical_cast<> is used all over the place, so it's a bit
>>>> hard
>>>> to guess where it comes from.
>>>>
>>>> Regards,
>>>> koen
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> All the data continuously generated in your IT infrastructure
>>>> contains a
>>>> definitive record of customers, application performance, security
>>>> threats, fraudulent activity and more. Splunk takes this data and
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>>>>
>>>>
>>>>
>>>> --
>>>> Regards,
>>>> Mohammed Rashad K M
>>>> M.S. (By Research) student
>>>> Lab for Spatial Informatics
>>>> Department of CSE
>>>> International Institute of Information Technology
>>>> Hyderabad, India
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> All the data continuously generated in your IT infrastructure contains a
>>>> definitive record of customers, application performance, security
>>>> threats, fraudulent activity and more. Splunk takes this data and makes
>>>> sense of it. Business sense. IT sense. Common sense.
>>>> http://p.sf.net/sfu/splunk-d2d-oct
>>>>
>>>>
>>>> _______________________________________________
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>>>
>>>
>>> ------------------------------------------------------------------------------
>>> All the data continuously generated in your IT infrastructure contains a
>>> definitive record of customers, application performance, security
>>> threats, fraudulent activity and more. Splunk takes this data and makes
>>> sense of it. Business sense. IT sense. Common sense.
>>> http://p.sf.net/sfu/splunk-d2d-oct
>>>
>>>
>>>
>>> _______________________________________________
>>> witty-interest mailing list
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>>> https://lists.sourceforge.net/lists/listinfo/witty-interest
>>
>> ------------------------------------------------------------------------------
>> All the data continuously generated in your IT infrastructure contains a
>> definitive record of customers, application performance, security
>> threats, fraudulent activity and more. Splunk takes this data and makes
>> sense of it. Business sense. IT sense. Common sense.
>> http://p.sf.net/sfu/splunk-d2d-oct
>> _______________________________________________
>> witty-interest mailing list
>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/witty-interest
>
>
> ------------------------------------------------------------------------------
> All the data continuously generated in your IT infrastructure contains a
> definitive record of customers, application performance, security
> threats, fraudulent activity and more. Splunk takes this data and makes
> sense of it. Business sense. IT sense. Common sense.
> http://p.sf.net/sfu/splunk-d2d-oct
> _______________________________________________
> witty-interest mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/witty-interest
------------------------------------------------------------------------------
All the data continuously generated in your IT infrastructure contains a
definitive record of customers, application performance, security
threats, fraudulent activity and more. Splunk takes this data and makes
sense of it. Business sense. IT sense. Common sense.
http://p.sf.net/sfu/splunk-d2d-oct
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