Hi Mohammad
>
> But if I directly set the emptyValue and I have used only one set widget. But
> it does not work!!
>
> \define nextItem(parent)
> <$set
> filter='[tag[$parent$]after{!!temp}]'
> name=NewIndex
> emptyValue='[tag[$parent$]first[]]'
> >
> <$action-setfield
> $tiddler={{!!title}}
> temp=<<NewIndex>>
> />
> </$set>
> \end
>
>
> <$button actions=<<nextItem "myTag">> >Next</$button>
>
> What is the problem? Why I have to use two set widegets?
The problem here is that the emptyValue attribute of the set widget is
interpreted as a string, not as a filter. So, rather than getting the results
of the filter you'll get the text of the filter itself.
Things should work if you add the triple braces filtered transcluded attribute
syntax:
> \define nextItem(parent)
> <$set
> filter='[tag[$parent$]after{!!temp}]'
> name=NewIndex
> emptyValue={{{ [tag[$parent$]first[]] }}}
> >
> <$action-setfield
> $tiddler={{!!title}}
> temp=<<NewIndex>>
> />
> </$set>
> \end
>
>
> <$button actions=<<nextItem "myTag">> >Next</$button>
The triple braces syntax can be used with any attribute: the attribute is
assigned the first result from evaluating the filter.
Best wishes
Jeremy.
>
>
> /Mohammad
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