Implement deleting done checklist items

app/src/main/kotlin/com/simplemobiletools/notes/pro/activities/MainActivity.kt

@@ -153,6 +153,7 @@ class MainActivity : SimpleActivity() {
             findItem(R.id.delete_note).isVisible = multipleNotesExist
             findItem(R.id.export_all_notes).isVisible = multipleNotesExist && hasPermission(PERMISSION_WRITE_STORAGE)
             findItem(R.id.open_search).isVisible = !isCurrentItemChecklist()
+            findItem(R.id.remove_done_items).isVisible = isCurrentItemChecklist()
             findItem(R.id.import_folder).isVisible = hasPermission(PERMISSION_READ_STORAGE)
 
             saveNoteButton = findItem(R.id.save_note)
@@ -185,6 +186,7 @@ class MainActivity : SimpleActivity() {
             R.id.delete_note -> displayDeleteNotePrompt()
             R.id.settings -> startActivity(Intent(applicationContext, SettingsActivity::class.java))
             R.id.about -> launchAbout()
+            R.id.remove_done_items -> removeDoneItems()
             else -> return super.onOptionsItemSelected(item)
         }
         return true
@@ -241,7 +243,8 @@ class MainActivity : SimpleActivity() {
         }
     }
 
-    private fun isCurrentItemChecklist() = mAdapter?.isChecklistFragment(view_pager.currentItem) ?: false
+    private fun isCurrentItemChecklist() = mAdapter?.isChecklistFragment(view_pager.currentItem)
+            ?: false
 
     private fun checkIntents(intent: Intent) {
         intent.apply {
@@ -904,7 +907,8 @@ class MainActivity : SimpleActivity() {
     private fun saveCurrentNote(force: Boolean) {
         getPagerAdapter().saveCurrentNote(view_pager.currentItem, force)
         if (mCurrentNote.type == NoteType.TYPE_CHECKLIST.value) {
-            mCurrentNote.value = getPagerAdapter().getNoteChecklistItems(view_pager.currentItem) ?: ""
+            mCurrentNote.value = getPagerAdapter().getNoteChecklistItems(view_pager.currentItem)
+                    ?: ""
         }
     }
 
@@ -1052,4 +1056,8 @@ class MainActivity : SimpleActivity() {
             checkWhatsNew(this, BuildConfig.VERSION_CODE)
         }
     }
+
+    private fun removeDoneItems() {
+        getPagerAdapter().removeDoneCheckListItems(view_pager.currentItem)
+    }
 }

app/src/main/kotlin/com/simplemobiletools/notes/pro/adapters/NotesPagerAdapter.kt

@@ -89,4 +89,8 @@ class NotesPagerAdapter(fm: FragmentManager, val notes: List<Note>, val activity
         fragments[position] = fragment
         return fragment
     }
+
+    fun removeDoneCheckListItems(position: Int) {
+        (fragments[position] as? ChecklistFragment)?.removeDoneItems()
+    }
 }

app/src/main/kotlin/com/simplemobiletools/notes/pro/fragments/ChecklistFragment.kt

@@ -135,11 +135,7 @@ class ChecklistFragment : NoteFragment(), ChecklistItemsListener {
     }
 
     private fun setupAdapter() {
-        with(view) {
+        updateUIVisibility()
-            fragment_placeholder.beVisibleIf(items.isEmpty())
-            fragment_placeholder_2.beVisibleIf(items.isEmpty())
-            checklist_list.beVisibleIf(items.isNotEmpty())
-        }
 
         ChecklistAdapter(
                 activity = activity as SimpleActivity,
@@ -176,6 +172,21 @@ class ChecklistFragment : NoteFragment(), ChecklistItemsListener {
         }
     }
 
+    fun removeDoneItems() {
+        items.removeIf { it.isDone }
+        updateUIVisibility()
+        view.checklist_list.adapter?.notifyDataSetChanged()
+        saveNote()
+    }
+
+    private fun updateUIVisibility() {
+        with(view) {
+            fragment_placeholder.beVisibleIf(items.isEmpty())
+            fragment_placeholder_2.beVisibleIf(items.isEmpty())
+            checklist_list.beVisibleIf(items.isNotEmpty())
+        }
+    }
+
     override fun saveChecklist() {
         saveNote()
     }

app/src/main/res/menu/menu.xml

@@ -36,6 +36,11 @@
         android:icon="@drawable/ic_rename_new"
         android:title="@string/rename_note"
         app:showAsAction="ifRoom"/>
+    <item
+        android:id="@+id/remove_done_items"
+        android:title="@string/remove_done_items"
+        android:icon="@drawable/ic_delete_vector"
+        app:showAsAction="ifRoom"/>
     <item
         android:id="@+id/share"
         android:icon="@drawable/ic_share_vector"

app/src/main/res/values-ar/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-az/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-cs/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-cy/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-da/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-de/strings.xml

@@ -99,6 +99,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-el/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-es/strings.xml

@@ -99,6 +99,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-fr/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-gl/strings.xml

@@ -100,6 +100,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-hr/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-hu/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-id/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-in/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-it/strings.xml

@@ -100,6 +100,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-ja/strings.xml

@@ -99,6 +99,7 @@
         <b> Reddit：</b>
          https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-lt/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-nl/strings.xml

@@ -97,6 +97,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-pl/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-pt-rBR/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-pt/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Não encontrou todas as cadeias a traduzir? Existem mais algumas em:

app/src/main/res/values-ru/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-sk/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-sv/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-tr/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-uk/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-zh-rCN/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values-zh-rTW/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at

app/src/main/res/values/strings.xml

@@ -101,6 +101,7 @@
         <b>Reddit:</b>
         https://www.reddit.com/r/SimpleMobileTools
     </string>
+    <string name="remove_done_items">Remove done items</string>
 
     <!--
         Haven't found some strings? There's more at