i have uisearchcontroller , returns first results core data has several results.
i did many different variants didn't me.
else uisearchcontroller returns incorrect results.
import uikit import foundation import coredata class songtablevc: uitableviewcontroller, uitableviewdatasource, uitableviewdelegate, nsfetchedresultscontrollerdelegate, uisearchcontrollerdelegate, uisearchbardelegate, uisearchresultsupdating { // mark: - var , let var appdel = (uiapplication.sharedapplication().delegate as! appdelegate) var context = (uiapplication.sharedapplication().delegate as! appdelegate).managedobjectcontext! // mark: - nsfetchedresultscontroller , functions var fetchedresultscontroller: nsfetchedresultscontroller! func returnrequest() -> nsfetchrequest { var fetchrequest = nsfetchrequest(entityname: "song") var sort = nssortdescriptor(key: "songname", ascending: false) fetchrequest.fetchbatchsize = 50 fetchrequest.predicate = nil fetchrequest.sortdescriptors = [sort] return fetchrequest } // mark: - uisearchcontroller , fucntions var searchcontroller: uisearchcontroller! var searchpredicate: nspredicate! var datafiltered: [song]? = nil func updatesearchresultsforsearchcontroller(searchcontroller: uisearchcontroller) { var searchtext = searchcontroller.searchbar.text searchpredicate = nspredicate(format: "songname contains[c] %@", searchtext) datafiltered = self.fetchedresultscontroller?.fetchedobjects?.filter(){ return self.searchpredicate!.evaluatewithobject($0) } as! [song]? self.tableview.reloaddata() println(searchpredicate) } func searchbar(searchbar: uisearchbar, selectedscopebuttonindexdidchange selectedscope: int) { updatesearchresultsforsearchcontroller(searchcontroller) } func diddismisssearchcontroller(searchcontroller: uisearchcontroller) { searchpredicate = nil datafiltered = nil self.tableview.reloaddata() } override func viewdidload() { super.viewdidload() self.navigationitem.leftbarbuttonitem = self.editbuttonitem() fetchedresultscontroller = nsfetchedresultscontroller(fetchrequest: returnrequest(), managedobjectcontext: context, sectionnamekeypath: "songname", cachename: "songname") fetchedresultscontroller.delegate = self fetchedresultscontroller.performfetch(nil) searchcontroller = ({ var controllersearch = uisearchcontroller(searchresultscontroller: nil) controllersearch.delegate = self controllersearch.searchbar.delegate = self controllersearch.searchbar.sizetofit() controllersearch.definespresentationcontext = false // default false controllersearch.hidesnavigationbarduringpresentation = true controllersearch.searchresultsupdater = self controllersearch.dimsbackgroundduringpresentation = false self.tableview.tableheaderview = controllersearch.searchbar return controllersearch })() } override func didreceivememorywarning() { super.didreceivememorywarning() // dispose of resources can recreated. } // mark: - table view data source override func numberofsectionsintableview(tableview: uitableview) -> int { // #warning potentially incomplete method implementation. // return number of sections. if searchpredicate == nil { return fetchedresultscontroller?.sections?.count ?? 0 } else { return 1 ?? 0 } } override func tableview(tableview: uitableview, numberofrowsinsection section: int) -> int { if searchpredicate == nil { return fetchedresultscontroller?.sections?[section].numberofobjects ?? 0 } else { return datafiltered?.count ?? 0 } } override func tableview(tableview: uitableview, cellforrowatindexpath indexpath: nsindexpath) -> uitableviewcell { let cell = tableview.dequeuereusablecellwithidentifier("songid", forindexpath: indexpath) as! uitableviewcell if searchpredicate == nil { if var dataforcell = fetchedresultscontroller.objectatindexpath(indexpath) as? song { cell.textlabel?.text = dataforcell.songname cell.detailtextlabel?.text = dataforcell.songname } else { if var datafilterforcell = datafiltered?[indexpath.row] { cell.textlabel?.text = datafilterforcell.songname cell.textlabel?.text = datafilterforcell.songname } } } return cell } // override support conditional editing of table view. override func tableview(tableview: uitableview, caneditrowatindexpath indexpath: nsindexpath) -> bool { // return no if not want specified item editable. return true } // override support editing table view. override func tableview(tableview: uitableview, commiteditingstyle editingstyle: uitableviewcelleditingstyle, forrowatindexpath indexpath: nsindexpath) { if editingstyle == .delete { context.deleteobject(fetchedresultscontroller.objectatindexpath(indexpath) as! nsmanagedobject) context.save(nil) } else if editingstyle == .insert { context.insertobject(fetchedresultscontroller.objectatindexpath(indexpath) as! nsmanagedobject) context.save(nil) } } func controller(controller: nsfetchedresultscontroller, didchangesection sectioninfo: nsfetchedresultssectioninfo, atindex sectionindex: int, forchangetype type: nsfetchedresultschangetype) { var tableview = uitableview() if searchpredicate == nil { tableview = self.tableview } else { tableview = (searchcontroller.searchresultscontroller as! songtablevc).tableview } switch type { case nsfetchedresultschangetype.insert: tableview.insertsections(nsindexset(index: sectionindex), withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.delete: tableview.deletesections(nsindexset(index: sectionindex), withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.move: tableview.deletesections(nsindexset(index: sectionindex), withrowanimation: uitableviewrowanimation.fade) tableview.insertsections(nsindexset(index: sectionindex), withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.update: break default: break } } func controller(controller: nsfetchedresultscontroller, didchangeobject anobject: anyobject, atindexpath indexpath: nsindexpath?, forchangetype type: nsfetchedresultschangetype, newindexpath: nsindexpath?) { var tableview = uitableview() if searchpredicate == nil { tableview = self.tableview } else { tableview = (searchcontroller.searchresultscontroller as! songtablevc).tableview } switch type { case nsfetchedresultschangetype.insert: tableview.insertrowsatindexpaths([anyobject](), withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.delete: tableview.deleterowsatindexpaths(nsarray(object: indexpath!) [anyobject], withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.move: tableview.deleterowsatindexpaths(nsarray(object: indexpath!) [anyobject], withrowanimation: uitableviewrowanimation.fade) tableview.insertrowsatindexpaths(nsarray(object: indexpath!) [anyobject], withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.update: tableview.cellforrowatindexpath(indexpath!) break default: break } } func controllerwillchangecontent(controller: nsfetchedresultscontroller) { if searchpredicate == nil { tableview.beginupdates() } else { (searchcontroller.searchresultscontroller as? songtablevc)?.tableview.beginupdates() } } func controllerdidchangecontent(controller: nsfetchedresultscontroller) { if searchpredicate == nil { tableview.endupdates() } else { (searchcontroller.searchresultscontroller as? songtablevc)?.tableview.endupdates() } } // mark: - navigation // in storyboard-based application, want little preparation before navigation override func prepareforsegue(segue: uistoryboardsegue, sender: anyobject?) { if segue.identifier == "add" { searchcontroller.active == false } } } 
i found solution of question
import uikit import foundation import coredata class songtableviewcontroller: uitableviewcontroller, uitableviewdatasource, uitableviewdelegate, nsfetchedresultscontrollerdelegate, uisearchcontrollerdelegate, uisearchbardelegate, uisearchresultsupdating { // mark: - var , lets var appdel = (uiapplication.sharedapplication().delegate as! appdelegate) var context = (uiapplication.sharedapplication().delegate as! appdelegate).managedobjectcontext! override func viewdidload() { super.viewdidload() fetchedresultscontroller = nsfetchedresultscontroller(fetchrequest: fetchrequest(), managedobjectcontext: context, sectionnamekeypath: "namesong", cachename: "namesong") fetchedresultscontroller.delegate = self fetchedresultscontroller.performfetch(nil) self.navigationitem.leftbarbuttonitem = self.editbuttonitem() searchcontroller = ({ var controllersearch = uisearchcontroller(searchresultscontroller: nil) controllersearch.delegate = self controllersearch.searchbar.delegate = self controllersearch.hidesnavigationbarduringpresentation = true controllersearch.definespresentationcontext = false controllersearch.dimsbackgroundduringpresentation = false controllersearch.searchbar.sizetofit() controllersearch.searchresultsupdater = self self.tableview.tableheaderview = controllersearch.searchbar return controllersearch })() // println(path) } override func viewdidappear(animated: bool) { super.viewdidappear(animated) searchpredicate = nil filtereddata = nil self.tableview.reloaddata() } override func didreceivememorywarning() { super.didreceivememorywarning() // dispose of resources can recreated. } // mark: - nsfetchedresultscontroller , functions var fetchedresultscontroller: nsfetchedresultscontroller! func fetchrequest() -> nsfetchrequest { var fetchrequest = nsfetchrequest(entityname: "song") var sort = nssortdescriptor(key: "namesong", ascending: false) fetchrequest.fetchbatchsize = 50 fetchrequest.predicate = nil fetchrequest.sortdescriptors = [sort] return fetchrequest } // mark: - uisearchcontroller , functions var searchcontroller: uisearchcontroller! var searchpredicate: nspredicate! var filtereddata: [song]? = nil func updatesearchresultsforsearchcontroller(searchcontroller: uisearchcontroller) { var searchtext = searchcontroller.searchbar.text if searchtext != nil { searchpredicate = nspredicate(format: "namesong contains[c] %@", searchtext) filtereddata = fetchedresultscontroller.fetchedobjects!.filter() { return self.searchpredicate.evaluatewithobject($0) } as? [song] self.tableview.reloaddata() } } func searchbar(searchbar: uisearchbar, selectedscopebuttonindexdidchange selectedscope: int) { updatesearchresultsforsearchcontroller(searchcontroller) } func diddismisssearchcontroller(searchcontroller: uisearchcontroller) { searchpredicate = nil filtereddata = nil self.tableview.reloaddata() } // mark: - files shared folder var filemanager = nsfilemanager.defaultmanager() var path = nssearchpathfordirectoriesindomains(nssearchpathdirectory.documentdirectory, nssearchpathdomainmask.userdomainmask, true) // mark: - table view data source override func numberofsectionsintableview(tableview: uitableview) -> int { if searchpredicate == nil { return fetchedresultscontroller?.sections?.count ?? 0 } else { return 1 ?? 0 } } override func tableview(tableview: uitableview, numberofrowsinsection section: int) -> int { if searchpredicate == nil { return fetchedresultscontroller?.sections?[section].numberofobjects ?? 0 } else { return filtereddata?.count ?? 0 } } override func tableview(tableview: uitableview, cellforrowatindexpath indexpath: nsindexpath) -> uitableviewcell { let cell = tableview.dequeuereusablecellwithidentifier("songid", forindexpath: indexpath) as! uitableviewcell if searchpredicate == nil { if var dataforcell = fetchedresultscontroller?.objectatindexpath(indexpath) as? song { cell.textlabel?.text = dataforcell.namesong } } else { if var filteredsearch = filtereddata?[indexpath.row] { cell.textlabel?.text = filteredsearch.namesong } } return cell } // override support conditional editing of table view. override func tableview(tableview: uitableview, caneditrowatindexpath indexpath: nsindexpath) -> bool { // return no if not want specified item editable. return true } // override support editing table view. override func tableview(tableview: uitableview, commiteditingstyle editingstyle: uitableviewcelleditingstyle, forrowatindexpath indexpath: nsindexpath) { if editingstyle == .delete { context.deleteobject(fetchedresultscontroller.objectatindexpath(indexpath) as! nsmanagedobject) context.save(nil) } else if editingstyle == .insert { context.insertobject(fetchedresultscontroller.objectatindexpath(indexpath) as! nsmanagedobject) context.save(nil) } } func controller(controller: nsfetchedresultscontroller, didchangesection sectioninfo: nsfetchedresultssectioninfo, atindex sectionindex: int, forchangetype type: nsfetchedresultschangetype) { switch type { case nsfetchedresultschangetype.insert: tableview.insertsections(nsindexset(index: sectionindex), withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.delete: tableview.deletesections(nsindexset(index: sectionindex), withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.move: tableview.deletesections(nsindexset(index: sectionindex), withrowanimation: uitableviewrowanimation.fade) tableview.insertsections(nsindexset(index: sectionindex), withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.update: break default: break } } func controller(controller: nsfetchedresultscontroller, didchangeobject anobject: anyobject, atindexpath indexpath: nsindexpath?, forchangetype type: nsfetchedresultschangetype, newindexpath: nsindexpath?) { switch type { case nsfetchedresultschangetype.insert: tableview.insertrowsatindexpaths([anyobject](), withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.delete: tableview.deleterowsatindexpaths(nsarray(object: indexpath!) [anyobject], withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.move: tableview.deleterowsatindexpaths(nsarray(object: indexpath!) [anyobject], withrowanimation: uitableviewrowanimation.fade) tableview.insertrowsatindexpaths(nsarray(object: indexpath!) [anyobject], withrowanimation: uitableviewrowanimation.fade) break case nsfetchedresultschangetype.update: tableview.cellforrowatindexpath(indexpath!) break default: break } } func controllerdidchangecontent(controller: nsfetchedresultscontroller) { tableview.endupdates() } func controllerwillchangecontent(controller: nsfetchedresultscontroller) { tableview.beginupdates() } /* // override support rearranging table view. override func tableview(tableview: uitableview, moverowatindexpath fromindexpath: nsindexpath, toindexpath: nsindexpath) { } */ // override support conditional rearranging of table view. override func tableview(tableview: uitableview, canmoverowatindexpath indexpath: nsindexpath) -> bool { // return no if not want item re-orderable. return true } /* // mark: - navigation // in storyboard-based application, want little preparation before navigation override func prepareforsegue(segue: uistoryboardsegue, sender: anyobject?) { // new view controller using [segue destinationviewcontroller]. // pass selected object new view controller. } */ } 
Comments
Post a Comment