質問編集履歴
2
画像を追加しました。
test
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File without changes
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test
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@@ -301,3 +301,19 @@
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Xcode 10.0
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RealmSwift 3.11.1
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###スクリーンショット
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一番上のTextfieldとButton(ヘッダーに表示しているcellです)が、
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"d"を削除すると、一緒に表示されなくなってしまいます。
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（削除するcellの位置に関係なく消えます）
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1
説明文、該当ソースコードの記載を修正しました。
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@@ -1 +1 @@
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1
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-
【Swift】TableViewのcell削除で
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【Swift】TableViewのcell削除でHeaderの要素が消えてしまう
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test
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@@ -1,20 +1,12 @@
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いつもお世話になっております。
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Swiftを勉強している初心者です。
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UITableViewにRealmSwiftから取得したレコードを表示し、不要なレコードを削除する際にTableViewDelegateのed
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UITableViewにRealmSwiftから取得したレコードを表示し、不要なレコードをスワイプで削除する際にしていますが、UITableViewDelegateのviewForHeaderInSectionで表示しているUITableViewCellまで一緒に消えてしまいます。
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Headerのcellは削除されず、section内のレコードのみ削除されるようにしたいです。
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@@ -26,9 +18,7 @@
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### 該当のソースコード
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```
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-
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-
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+
```ViewController
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@@ -40,7 +30,9 @@
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class
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class ViewController: UIViewController{
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//抜粋
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@@ -104,442 +96,202 @@
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//TableView Delegate
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extension ViewController: UITableViewDelegate{
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//**********************
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//ここでdelete時にHeaderのcellも一緒に消えてしまう
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//**********************
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func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
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if editingStyle == .delete{
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try! realm.write {
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if let wordEntities = wordEntities{
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-
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realm.delete(wordEntities[indexPath.row])
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-
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}
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}
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}
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}
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-
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tableView.reloadData()
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}
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//display tableview header
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func
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func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
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-
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let headerview = UIView()
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headerview.frame = CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: 100)
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headerview.backgroundColor = UIColor.white
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//No Category
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if !category.isEmpty{
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wordItem = wordEntities?.filter("wordId == %@", Id)
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let searchbar = UISearchBar()
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-
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searchbar.frame = CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: 50)
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searchbar.placeholder = "検索"
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-
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headerview.addSubview(searchbar)
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//**********************
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-
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//TableViewCellをHeaderに表示
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//**********************
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-
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let cell = tableView.dequeueReusableCell(withIdentifier:"WordItemCell") as! WordTableViewCell
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cell.frame = CGRect(x:0, y:55, width:self.view.frame.size.width, height:44)
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cell.delegate = self
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-
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cell.dropdown.dataSource = arrayCategoryList()
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-
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headerview.addSubview(cell)
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-
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return headerview
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}
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//tableview header height size
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func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat{
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return 100
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}
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}
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//TableView DataSource
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extension ViewController: UITableViewDataSource{
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//display cell count
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func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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+
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if let wordEntities = wordEntities{
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return wordEntities.count
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}
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202
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return 0
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}
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//display cell details
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+
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
|
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+
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+
let cell = tableView.dequeueReusableCell(withIdentifier:"WordItemCell") as! WordTableViewCell
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+
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+
cell.delegate = self
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cell.dropdown.dataSource = arrayCategoryList()
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if let wordEntities = wordEntities{
|
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223
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+
cell.textfield.text = wordEntities[indexPath.row].word
|
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+
|
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225
|
+
cell.wordId = wordEntities[indexPath.row].wordId
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+
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cell.beforeWord = wordEntities[indexPath.row].word
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+
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229
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+
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230
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+
|
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231
|
+
if wordEntities[indexPath.row].categoryName != nil{
|
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232
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+
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233
|
+
cell.categorybutton.setTitle(wordEntities[indexPath.row].categoryName, for: .normal)
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234
|
+
|
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235
|
+
cell.categoryName = wordEntities[indexPath.row].categoryName
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+
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237
|
+
cell.beforecategoryName = wordEntities[indexPath.row].categoryName
|
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|
+
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+
}
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240
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+
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+
}
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+
return cell
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}
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}
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```
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254
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255
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256
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257
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+
### 試したこと
|
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258
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+
|
|
259
|
+
delete後にreloadData()だけでなくreloadSections()も加えてみたら、削除1回目はCellも残ったままになりましたが、２回目以降削除すると結局消えてしまいます。
|
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260
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+
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261
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+
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262
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+
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263
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+
```ViewController
|
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264
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+
|
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265
|
+
func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
|
|
266
|
+
|
|
267
|
+
if editingStyle == .delete{
|
|
268
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+
|
|
269
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+
try! realm.write {
|
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270
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+
|
|
271
|
+
if let wordEntities = wordEntities{
|
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272
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+
|
|
273
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+
realm.delete(wordEntities[indexPath.row])
|
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274
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+
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275
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+
}
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276
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}
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278
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}
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+
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281
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+
//ここを追加
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282
|
+
|
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283
|
+
tableView.reloadSections(NSIndexSet(index: tableView.sectionIndexMinimumDisplayRowCount) as IndexSet, with: .none)
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284
|
+
|
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285
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+
.none)
|
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150
286
|
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151
287
|
tableView.reloadData()
|
|
152
288
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153
289
|
}
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154
290
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155
|
-
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156
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-
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157
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-
//insert new word
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158
|
-
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159
|
-
func insertWord(text: String, categoryName: String){
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160
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-
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161
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-
var categoryItem:Results<Category>? = nil
|
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162
|
-
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163
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-
var category:Category? = nil
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164
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-
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165
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let item: [String: Any]
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166
|
-
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167
|
-
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168
|
-
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169
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-
if !categoryName.isEmpty{
|
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-
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171
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-
categoryItem = findCategoryItem(categoryName: categoryName)
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172
|
-
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173
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category = Category(value: [
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174
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-
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175
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-
"categoryId": categoryItem!.first!.categoryId,
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176
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-
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177
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-
"categoryName": categoryItem!.first!.categoryName])
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178
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-
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179
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-
item = ["word": text,
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180
|
-
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181
|
-
"categoryId": categoryItem!.first!.categoryId,
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182
|
-
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183
|
-
"categoryName": categoryName]
|
|
184
|
-
|
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185
|
-
}else{
|
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186
|
-
|
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187
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-
item = ["word": text,
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188
|
-
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189
|
-
"categoryId": 0,
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190
|
-
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191
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"categoryName": "No Category"]
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|
-
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}
|
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194
|
-
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195
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-
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196
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-
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197
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-
let newWord = Words(value: item)
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198
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-
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199
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-
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200
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-
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201
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try! realm.write(){
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|
-
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203
|
-
realm.add(newWord)
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204
|
-
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205
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-
if category != nil{
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206
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-
|
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207
|
-
category?.words.append(newWord)
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|
-
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209
|
-
realm.create(Category.self, value: category!, update: true)
|
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-
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211
|
-
}
|
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212
|
-
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-
}
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-
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}
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216
|
-
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|
-
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218
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-
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219
|
-
//update word
|
|
220
|
-
|
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221
|
-
func updateWord(text: String, categoryName: String, wordItem: Words){
|
|
222
|
-
|
|
223
|
-
var categoryItem:Results<Category>? = nil
|
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224
|
-
|
|
225
|
-
var category:Category? = nil
|
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226
|
-
|
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227
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-
let item: [String: Any]
|
|
228
|
-
|
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229
|
-
|
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230
|
-
|
|
231
|
-
categoryItem = findCategoryItem(categoryName: categoryName)
|
|
232
|
-
|
|
233
|
-
if categoryItem?.count != 0{
|
|
234
|
-
|
|
235
|
-
category = Category(value: [
|
|
236
|
-
|
|
237
|
-
"categoryId": categoryItem!.first!.categoryId,
|
|
238
|
-
|
|
239
|
-
"categoryName": categoryItem!.first!.categoryName])
|
|
240
|
-
|
|
241
|
-
item = ["wordId": wordItem.wordId!,
|
|
242
|
-
|
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243
|
-
"word": text,
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|
244
|
-
|
|
245
|
-
"updateDate": Date(),
|
|
246
|
-
|
|
247
|
-
"categoryId": categoryItem!.first!.categoryId,
|
|
248
|
-
|
|
249
|
-
"categoryName": categoryItem!.first!.categoryName]
|
|
250
|
-
|
|
251
|
-
}else{
|
|
252
|
-
|
|
253
|
-
item = ["wordId": wordItem.wordId!,
|
|
254
|
-
|
|
255
|
-
"word": text,
|
|
256
|
-
|
|
257
|
-
// "userId": "test-user",
|
|
258
|
-
|
|
259
|
-
"categoryName": "No Category",
|
|
260
|
-
|
|
261
|
-
"updateDate": Date()]
|
|
262
|
-
|
|
263
|
-
}
|
|
264
|
-
|
|
265
|
-
|
|
266
|
-
|
|
267
|
-
var oldCategoryItem:Results<Category>? = nil
|
|
268
|
-
|
|
269
|
-
var removeWordItem:Category? = nil
|
|
270
|
-
|
|
271
|
-
var removeWordItemIndex:Int? = nil
|
|
272
|
-
|
|
273
|
-
var oldCategory:Category? = nil
|
|
274
|
-
|
|
275
|
-
|
|
276
|
-
|
|
277
|
-
if wordItem.categoryId != 0{
|
|
278
|
-
|
|
279
|
-
oldCategoryItem = findCategoryItem(categoryName: wordItem.categoryName!)
|
|
280
|
-
|
|
281
|
-
removeWordItem = Array(oldCategoryItem!).first
|
|
282
|
-
|
|
283
|
-
removeWordItemIndex = removeWordItem!.words.index(matching: "wordId == %@", wordItem.wordId!)
|
|
284
|
-
|
|
285
|
-
oldCategory = Category(value: removeWordItem!)
|
|
286
|
-
|
|
287
|
-
}
|
|
288
|
-
|
|
289
|
-
|
|
290
|
-
|
|
291
|
-
|
|
292
|
-
|
|
293
|
-
let editWord = Words(value: item)
|
|
294
|
-
|
|
295
|
-
try! realm.write(){
|
|
296
|
-
|
|
297
|
-
realm.add(editWord, update: true)
|
|
298
|
-
|
|
299
|
-
if category != nil{
|
|
300
|
-
|
|
301
|
-
category!.words.append(editWord)
|
|
302
|
-
|
|
303
|
-
realm.create(Category.self, value: category!, update: true)
|
|
304
|
-
|
|
305
|
-
}
|
|
306
|
-
|
|
307
|
-
if removeWordItemIndex != nil{
|
|
308
|
-
|
|
309
|
-
oldCategory!.words.remove(at: removeWordItemIndex!)
|
|
310
|
-
|
|
311
|
-
realm.create(Category.self, value: oldCategory!, update: true)
|
|
312
|
-
|
|
313
|
-
}
|
|
314
|
-
|
|
315
|
-
}
|
|
316
|
-
|
|
317
|
-
}
|
|
318
|
-
|
|
319
|
-
}
|
|
320
|
-
|
|
321
|
-
|
|
322
|
-
|
|
323
|
-
//TableView Delegate
|
|
324
|
-
|
|
325
|
-
extension WordsListViewController: UITableViewDelegate{
|
|
326
|
-
|
|
327
|
-
|
|
328
|
-
|
|
329
|
-
//**********************
|
|
330
|
-
|
|
331
|
-
//ここでdelete時にHeaderのcellだけ消えてしまう
|
|
332
|
-
|
|
333
|
-
//**********************
|
|
334
|
-
|
|
335
|
-
func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
|
|
336
|
-
|
|
337
|
-
if editingStyle == .delete{
|
|
338
|
-
|
|
339
|
-
try! realm.write {
|
|
340
|
-
|
|
341
|
-
if let wordEntities = wordEntities{
|
|
342
|
-
|
|
343
|
-
realm.delete(wordEntities[indexPath.row])
|
|
344
|
-
|
|
345
|
-
}
|
|
346
|
-
|
|
347
|
-
}
|
|
348
|
-
|
|
349
|
-
}
|
|
350
|
-
|
|
351
|
-
tableView.reloadData()
|
|
352
|
-
|
|
353
|
-
}
|
|
354
|
-
|
|
355
|
-
|
|
356
|
-
|
|
357
|
-
//display tableview header
|
|
358
|
-
|
|
359
|
-
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
|
|
360
|
-
|
|
361
|
-
let headerview = UIView()
|
|
362
|
-
|
|
363
|
-
headerview.frame = CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: 100)
|
|
364
|
-
|
|
365
|
-
headerview.backgroundColor = UIColor.white
|
|
366
|
-
|
|
367
|
-
|
|
368
|
-
|
|
369
|
-
//まだ張りぼて状態...
|
|
370
|
-
|
|
371
|
-
let searchbar = UISearchBar()
|
|
372
|
-
|
|
373
|
-
searchbar.frame = CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: 50)
|
|
374
|
-
|
|
375
|
-
searchbar.placeholder = "検索"
|
|
376
|
-
|
|
377
|
-
headerview.addSubview(searchbar)
|
|
378
|
-
|
|
379
|
-
|
|
380
|
-
|
|
381
|
-
//**********************
|
|
382
|
-
|
|
383
|
-
//該当のTableViewCellの生成箇所
|
|
384
|
-
|
|
385
|
-
//**********************
|
|
386
|
-
|
|
387
|
-
let cell = tableView.dequeueReusableCell(withIdentifier:"WordItemCell") as! WordTableViewCell
|
|
388
|
-
|
|
389
|
-
cell.frame = CGRect(x:0, y:55, width:self.view.frame.size.width, height:44)
|
|
390
|
-
|
|
391
|
-
cell.delegate = self
|
|
392
|
-
|
|
393
|
-
cell.dropdown.dataSource = arrayCategoryList()
|
|
394
|
-
|
|
395
|
-
headerview.addSubview(cell)
|
|
396
|
-
|
|
397
|
-
|
|
398
|
-
|
|
399
|
-
return headerview
|
|
400
|
-
|
|
401
|
-
}
|
|
402
|
-
|
|
403
|
-
|
|
404
|
-
|
|
405
|
-
//tableview header height size
|
|
406
|
-
|
|
407
|
-
func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat{
|
|
408
|
-
|
|
409
|
-
return 100
|
|
410
|
-
|
|
411
|
-
}
|
|
412
|
-
|
|
413
|
-
|
|
414
|
-
|
|
415
|
-
}
|
|
416
|
-
|
|
417
|
-
|
|
418
|
-
|
|
419
|
-
//TableView DataSource
|
|
420
|
-
|
|
421
|
-
extension WordsListViewController: UITableViewDataSource{
|
|
422
|
-
|
|
423
|
-
//display cell count
|
|
424
|
-
|
|
425
|
-
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
|
|
426
|
-
|
|
427
|
-
if let wordEntities = wordEntities{
|
|
428
|
-
|
|
429
|
-
return wordEntities.count
|
|
430
|
-
|
|
431
|
-
}
|
|
432
|
-
|
|
433
|
-
return 0
|
|
434
|
-
|
|
435
|
-
}
|
|
436
|
-
|
|
437
|
-
|
|
438
|
-
|
|
439
|
-
//display cell details
|
|
440
|
-
|
|
441
|
-
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
|
|
442
|
-
|
|
443
|
-
let cell = tableView.dequeueReusableCell(withIdentifier:"WordItemCell") as! WordTableViewCell
|
|
444
|
-
|
|
445
|
-
cell.delegate = self
|
|
446
|
-
|
|
447
|
-
cell.dropdown.dataSource = arrayCategoryList()
|
|
448
|
-
|
|
449
|
-
|
|
450
|
-
|
|
451
|
-
if let wordEntities = wordEntities{
|
|
452
|
-
|
|
453
|
-
cell.textfield.text = wordEntities[indexPath.row].word
|
|
454
|
-
|
|
455
|
-
cell.wordId = wordEntities[indexPath.row].wordId
|
|
456
|
-
|
|
457
|
-
cell.beforeWord = wordEntities[indexPath.row].word
|
|
458
|
-
|
|
459
|
-
|
|
460
|
-
|
|
461
|
-
if wordEntities[indexPath.row].categoryName != nil{
|
|
462
|
-
|
|
463
|
-
cell.categorybutton.setTitle(wordEntities[indexPath.row].categoryName, for: .normal)
|
|
464
|
-
|
|
465
|
-
cell.categoryName = wordEntities[indexPath.row].categoryName
|
|
466
|
-
|
|
467
|
-
cell.beforecategoryName = wordEntities[indexPath.row].categoryName
|
|
468
|
-
|
|
469
|
-
}
|
|
470
|
-
|
|
471
|
-
}
|
|
472
|
-
|
|
473
|
-
return cell
|
|
474
|
-
|
|
475
|
-
}
|
|
476
|
-
|
|
477
|
-
}
|
|
478
|
-
|
|
479
|
-
|
|
480
|
-
|
|
481
|
-
//Textfield Delegate(extension WordTableViewCell)
|
|
482
|
-
|
|
483
|
-
extension WordsListViewController: InputTextTableCellDelegate{
|
|
484
|
-
|
|
485
|
-
//textfield has finished to edit
|
|
486
|
-
|
|
487
|
-
func textFieldDidEndEditing(cell: WordTableViewCell, value: String) -> () {
|
|
488
|
-
|
|
489
|
-
if value != cell.beforeWord || cell.categoryName != cell.beforecategoryName {
|
|
490
|
-
|
|
491
|
-
saveWord(Id: cell.wordId!, text: value, category: cell.categoryName!)
|
|
492
|
-
|
|
493
|
-
}
|
|
494
|
-
|
|
495
|
-
}
|
|
496
|
-
|
|
497
|
-
}
|
|
498
|
-
|
|
499
|
-
|
|
500
|
-
|
|
501
291
|
```
|
|
502
292
|
|
|
503
293
|
|
|
504
294
|
|
|
505
|
-
### 試したこと
|
|
506
|
-
|
|
507
|
-
delete後にreloadData()だけでなくreloadSections()も加えてみたら、削除1回目はCellも残った状態になりますが、２回目以降もdeleteすると表示されなくなってしまいます。
|
|
508
|
-
|
|
509
|
-
|
|
510
|
-
|
|
511
|
-
```
|
|
512
|
-
|
|
513
|
-
func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
|
|
514
|
-
|
|
515
|
-
if editingStyle == .delete{
|
|
516
|
-
|
|
517
|
-
try! realm.write {
|
|
518
|
-
|
|
519
|
-
if let wordEntities = wordEntities{
|
|
520
|
-
|
|
521
|
-
realm.delete(wordEntities[indexPath.row])
|
|
522
|
-
|
|
523
|
-
}
|
|
524
|
-
|
|
525
|
-
}
|
|
526
|
-
|
|
527
|
-
}
|
|
528
|
-
|
|
529
|
-
//↓ここを追加
|
|
530
|
-
|
|
531
|
-
tableView.reloadSections(NSIndexSet(index: tableView.sectionIndexMinimumDisplayRowCount) as IndexSet, with: .none)
|
|
532
|
-
|
|
533
|
-
.none)
|
|
534
|
-
|
|
535
|
-
tableView.reloadData()
|
|
536
|
-
|
|
537
|
-
}
|
|
538
|
-
|
|
539
|
-
```
|
|
540
|
-
|
|
541
|
-
|
|
542
|
-
|
|
543
295
|
|
|
544
296
|
|
|
545
297
|
### 補足情報（FW/ツールのバージョンなど）
|