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How to disable pull-down menu entries in OIP widgets?


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Dear developers,

 

in one of our PIOs I will need to disable/dim several pull-down menu entries in an OIP widget. The widget is created automatically (it represents a kFieldPopUp field of the PIO record). I don't want to disable the entire widget, just some of the pull-down menu entries depending on the PIO's setings. Does anybody have an idea? 

 

Thanks for any help.

 

Stefan Bender

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Hi Stefan

 

I'm not sure it will work in your case because we create our widget via:

void IProviderShapePane::Init(CodeRefID objectID, IExtendedProps* extProps)
{
	IWidgetsEditProvider*	widgetsProvider	= NULL;

	if ( extProps && VCOM_SUCCEEDED( extProps->GetObjComponentTypeWidgets( objectID, kObjectRootComponentTypeID, widgetsProvider ) ) )
	{
		widgetsProvider->AddWidget( kWidgetID_SizeType, ....

not automatically via a kFieldPopUp.

 

But this is how we fill the pull down dynamicly:

void IProviderShapePane::Update( IWidgetsProvider* widgetProvider )
{
	SWidgetDefinition*	pSizeTypePU = widgetsProvider->GetWidgetByID( kWidgetID_SizeType);
	IWidgetDataPopup*	pPopupData = dynamic_cast<IWidgetDataPopup*>(pSizeTypePU->fpWidgetData);
	pPopupData->Clear();
	std::vector<TXString> listOptions = this->GetListOptions();
	for ( size_t i = 0; i < list_sets.size(); i++ )
		pDataSetPU->Add( TXString::ToStringInt( i + 1 ), listOptions[i] );
}

 

Off course, this is not dimming or disabling, but it might work too for you?

 

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I did some quick experimenting to see if doing something like placing an underscore in front of the display name would lock the choice the way it does with a parameter, and don't see any difference.

 

I thin this would be a worthy enhancement. I recently had a user confused why a pull-down item disabled other widgets. In theory, the pull-down item itself should have been disabled.

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