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
>>>
>>>
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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
>>>
>>>
>>> _______________________________________________
>>> witty-interest mailing list
>>> [email protected]<mailto:[email protected]>
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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
>> [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
_______________________________________________
witty-interest mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/witty-interest
