On Wed, Apr 15, 2015 at 6:52 PM, Pascal BASTIEN <[email protected]> wrote:

Hello,

I create MyClass/Sheet/Template and in another AnotherClass I add a Page type property with: - Display Type : select - XWiki Class Name: MyClass - Id Field Name: doc.fullName - Value Field Name : doc.name

My purpose is to display a list of page (with MyClass object): this point is working well but ...

I want that the user select in my select list: one page OR nothing.

The HTML select element supports either single selection (exactly one item selected) or multiple selection (0..*). To achieve 0..1 you need to have a special item "Nothing" with value '' (empty string) and in order to add this item to a Page (actually DatabaseList) property you have to write a custom displayer. Another solution may be to create a special page with a MyClass object that represents the "nothing" value (when selected), but you still need to hack something in order to have this option displayed first.

Do you have an idea, how can I do that?

I found a issue too: my select list list all page (with MyClass object) ... even my Template with MyClass object who is hidden.

Does it behave the same with a DatabaseList property? The Page property is nothing more than a wrapper for the DatabaseList property. Hope this helps, Marius

Thxs.

Pascal B (xWiki 6.4)

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