CODEWITHSUNDEEP
iosswifttableviewuisearchbar
ios dev
ios dev

Reputation: 81

Searchbar not reloading to original data after search result using Swift?

My scenario, I implemented codebase for UISearchbar with some animation effect like expand and collapse.

Here, whenever I am trying to search the search result displaying well after I added custom clear button it will operate collapse animation same time reload search result to original table data.

My issues is whenever I am clicking the custom clear button search result not reloading to original data in tableview.

func didTapFavoritesBarButtonOFF() {

        self.navigationItem.setRightBarButtonItems([self.favoritesBarButtonOn], animated: false)
        print("Hide Searchbar")

        // Reload tableview 
        searchBar.text = nil
        searchBar.endEditing(true)
        filteredData.removeAll()
        self.tableView.reloadData() // not working

        // Dismiss keyboard
        searchBar.resignFirstResponder()

        // Enable navigation left bar buttons
        self.navigationItem.leftBarButtonItem?.isEnabled = false

        let isOpen = leftConstraint.isActive == true

        // Inactivating the left constraint closes the expandable header.
        leftConstraint.isActive = isOpen ? false : true

        // Animate change to visible.
        UIView.animate(withDuration: 1, animations: {
            self.navigationItem.titleView?.alpha = isOpen ? 0 : 1
            self.navigationItem.titleView?.layoutIfNeeded()
        })
    }

My Tableview cell

func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return filteredData.count
 }

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

    let cell = tableView.dequeueReusableCell(withIdentifier: cellReuseIdentifier, for: indexPath) as! CustomTableViewCell
    cell.titleLabel.text = self.filteredData[indexPath.row]
    return cell
}

Upvotes: 0

Views: 1004

Answers (1)

Mahendra
Mahendra

Reputation: 8914

You need to set data source array to original one.

Reason

Actually you are removing the datasource array filteredData.removeAll(). After this an array is empty that is the reason self.tableView.reloadData() is not working.

Solution

You need to make a copy of data source array, lets say originalData contains the original data (without filter).

Whenever you user filter then you need to use originalData to filter the data.

For Eg.

let filterdData = originalData.filter { //filter data }

So when you clear filter you need to set the original data again to table data source array.

For Eg.

filteredData.removeAll() //remove all data
filterData = originalData //Some thing that you need to assign for table data source
self.tableView.reloadData()

In table's cellForRowAt: will get the data as follow...

  func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

      var obj = filterData[indexPath.row] 
      print(obj)

 }

Don't forget to assign data to originalData before filter

Upvotes: 1

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