iphone - iOS swift custom UICollectionView with Custom Cell does not call didSelectItem -


i got issues following code: created custom cell custom uicollectionview class. used xib files instead of storyboard. never calls didselectitematindexpath method why? desperate :'(.

    import uikit  class customcollectionview: uicollectionview, uicollectionviewdatasource, uicollectionviewdelegateflowlayout {      var refreshcontrol : uirefreshcontrol = uirefreshcontrol()      required init(coder adecoder: nscoder) {         super.init(coder: adecoder)          self.delegate = self         self.datasource = self          var flowlayout:uicollectionviewflowlayout = uicollectionviewflowlayout()         flowlayout.scrolldirection = uicollectionviewscrolldirection.vertical         self.collectionviewlayout = flowlayout          self.refreshcontrol.addtarget(self, action: "refreshdata:", forcontrolevents: uicontrolevents.valuechanged)         self.addsubview(refreshcontrol)          self.userinteractionenabled = true           self.registerclass(customcollectionviewcell.self, forcellwithreuseidentifier: "outfit")         self.registernib(uinib(nibname: layouthelper.getcellxibname("customcollectionviewcell"), bundle: nil), forcellwithreuseidentifier: "outfit")          self.backgroundcolor = uicolor.whitecolor()      }      //     // mark: uicollectionviewdatasource - methods     //      func collectionview(collectionview: uicollectionview, numberofitemsinsection section: int) -> int {         return 3     }      func collectionview(collectionview: uicollectionview, cellforitematindexpath indexpath: nsindexpath) -> uicollectionviewcell {         var cell : customcollectionviewcell = collectionview.dequeuereusablecellwithreuseidentifier("outfit", forindexpath: indexpath) as! customcollectionviewcell         cell.label.text = "outfit #" + string(indexpath.row)         let url = nsurl(string: "http://placehold.it/177x370")         cell.imageview.sd_setimagewithurl(url, completed: nil)         return cell     }   func collectionview(collectionview: uicollectionview, didselectitematindexpath indexpath: nsindexpath) {         println("at index path %i", indexpath.row) }


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