Issue #5811: "Delete folder" menu in custom image selector

.idea/inspectionProfiles/Project_Default.xml

@@ -1,16 +1,12 @@
 <component name="InspectionProjectProfileManager">
   <profile version="1.0">
     <option name="myName" value="Project Default" />
-    <inspection_tool class="AndroidLintNewerVersionAvailable" enabled="true" level="WARNING" enabled_by_default="true" />
-    <inspection_tool class="AutoCloseableResource" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="ClassWithOnlyPrivateConstructors" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="ConfusingElse" enabled="true" level="WARNING" enabled_by_default="true">
       <option name="reportWhenNoStatementFollow" value="true" />
     </inspection_tool>
     <inspection_tool class="ControlFlowStatementWithoutBraces" enabled="true" level="ERROR" enabled_by_default="true" />
-    <inspection_tool class="DefaultNotLastCaseInSwitch" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="ExplicitThis" enabled="true" level="WEAK WARNING" enabled_by_default="true" />
-    <inspection_tool class="FieldMayBeFinal" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="LocalCanBeFinal" enabled="true" level="WARNING" enabled_by_default="true">
       <option name="REPORT_VARIABLES" value="true" />
       <option name="REPORT_PARAMETERS" value="true" />
@@ -25,13 +21,11 @@
       <option name="ignoreInMatchingInstanceof" value="false" />
     </inspection_tool>
     <inspection_tool class="ProblematicWhitespace" enabled="true" level="WARNING" enabled_by_default="true" />
-    <inspection_tool class="ProtectedMemberInFinalClass" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="RedundantFieldInitialization" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="RedundantImplements" enabled="true" level="WARNING" enabled_by_default="true">
       <option name="ignoreSerializable" value="false" />
       <option name="ignoreCloneable" value="false" />
     </inspection_tool>
-    <inspection_tool class="RedundantMethodOverride" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="SimplifiableEqualsExpression" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="TypeParameterExtendsFinalClass" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="UnnecessarilyQualifiedStaticUsage" enabled="true" level="WARNING" enabled_by_default="true">
@@ -47,6 +41,5 @@
     <inspection_tool class="UnnecessaryQualifierForThis" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="UnnecessarySuperConstructor" enabled="true" level="WARNING" enabled_by_default="true" />
     <inspection_tool class="UnnecessaryThis" enabled="true" level="WARNING" enabled_by_default="true" />
-    <inspection_tool class="UnnecessaryToStringCall" enabled="true" level="WARNING" enabled_by_default="true" />
   </profile>
 </component>

app/build.gradle

@@ -366,11 +366,11 @@ android {
 
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_11
-        targetCompatibility JavaVersion.VERSION_11
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
     kotlinOptions {
-        jvmTarget = "11"
+        jvmTarget = "17"
     }
 
     buildToolsVersion buildToolsVersion

app/src/main/java/fr/free/nrw/commons/customselector/ui/selector/CustomSelectorActivity.kt

@@ -13,6 +13,11 @@ import android.view.Window
 import android.widget.Button
 import android.widget.ImageButton
 import android.widget.TextView
+import android.view.Menu
+import android.view.MenuItem
+import android.widget.PopupMenu
+import androidx.appcompat.app.AlertDialog
+
 import androidx.compose.foundation.BorderStroke
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -59,6 +64,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.MainScope
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import timber.log.Timber
 import java.io.File
 import java.lang.Integer.max
 import javax.inject.Inject
@@ -147,6 +153,13 @@ class CustomSelectorActivity :
 
     private var showPartialAccessIndicator by mutableStateOf(false)
 
+    /**
+     * Show delete button on folder
+     */
+    private var showOverflowMenu = false
+
+
+
     /**
      * onCreate Activity, sets theme, initialises the view model, setup view.
      */
@@ -204,6 +217,7 @@ class CustomSelectorActivity :
         }
     }
 
+
     override fun onRequestPermissionsResult(
         requestCode: Int,
         permissions: Array<out String>,
@@ -414,7 +428,7 @@ class CustomSelectorActivity :
     }
 
     /**
-     * Set up the toolbar, back listener, done listener.
+     * Set up the toolbar, back listener, done listener, overflow menu listener.
      */
     private fun setUpToolbar() {
         val back: ImageButton = findViewById(R.id.back)
@@ -423,16 +437,72 @@ class CustomSelectorActivity :
         val limitError: ImageButton = findViewById(R.id.image_limit_error)
         limitError.visibility = View.INVISIBLE
         limitError.setOnClickListener { displayUploadLimitWarning() }
+
+        val overflowMenu: ImageButton = findViewById(R.id.menu_overflow)
+        overflowMenu.visibility = if (showOverflowMenu) View.VISIBLE else View.INVISIBLE
+
+        // Set up popup menu when overflow menu is clicked
+        overflowMenu.setOnClickListener { showPopupMenu(overflowMenu) }
+
     }
 
+    private fun showPopupMenu(anchorView: View) {
+        val popupMenu = PopupMenu(this, anchorView)
+        popupMenu.menuInflater.inflate(R.menu.menu_custom_selector, popupMenu.menu)
+
+        // Handle menu item clicks
+        popupMenu.setOnMenuItemClickListener { item ->
+            when (item.itemId) {
+                R.id.action_delete_folder -> {
+                    deleteFolder()  // Call the delete folder logic here
+                    true
+                }
+                else -> false
+            }
+        }
+        popupMenu.show()
+    }
+
+    private fun deleteFolder() {
+        Timber.tag("FolderAction").d("Delete folder action triggered")
+
+
+        // Run on UI thread to ensure dialog shows correctly
+        runOnUiThread {
+            val builder = AlertDialog.Builder(this)
+            builder.setTitle("Delete Folder")
+            builder.setMessage("Are you sure you want to delete this folder?")
+
+            // Set the positive button to confirm deletion
+            builder.setPositiveButton("Delete") { dialog, _ ->
+                // Perform folder deletion here
+                Timber.tag("FolderAction").d("Folder deleted")
+                dialog.dismiss()
+            }
+
+            // Set the negative button to cancel
+            builder.setNegativeButton("Cancel") { dialog, _ ->
+                Timber.tag("FolderAction").d("Delete action cancelled")
+                dialog.dismiss()  // Dismiss the dialog
+            }
+
+            // Show the AlertDialog
+            builder.create().show()
+        }
+    }
+
+
+
     /**
-     * override on folder click, change the toolbar title on folder click.
+     * override on folder click,
+     * change the toolbar title on folder click, make overflow menu visible
      */
     override fun onFolderClick(
         folderId: Long,
         folderName: String,
-        lastItemId: Long,
+        lastItemId: Long
     ) {
+
         supportFragmentManager
             .beginTransaction()
             .add(R.id.fragment_container, ImageFragment.newInstance(folderId, lastItemId))
@@ -444,8 +514,14 @@ class CustomSelectorActivity :
         bucketId = folderId
         bucketName = folderName
         isImageFragmentOpen = true
+
+        // Show the overflow menu only when a folder is clicked
+        showOverflowMenu = true
+        setUpToolbar()
+
     }
 
+
     /**
      * override Selected Images Change, update view model selected images and change UI.
      */
@@ -559,6 +635,10 @@ class CustomSelectorActivity :
             isImageFragmentOpen = false
             changeTitle(getString(R.string.custom_selector_title), 0)
         }
+
+        //hide overflow menu when not in folder
+        showOverflowMenu = false
+        setUpToolbar()
     }
 
     /**

app/src/main/java/fr/free/nrw/commons/settings/SettingsFragment.java

@@ -12,6 +12,7 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.text.Editable;
 import android.text.TextWatcher;
+import android.util.Log;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemClickListener;
@@ -58,6 +59,7 @@ import java.util.Locale;
 import java.util.Map;
 import javax.inject.Inject;
 import javax.inject.Named;
+import timber.log.Timber;
 
 public class SettingsFragment extends PreferenceFragmentCompat {
 
@@ -80,6 +82,7 @@ public class SettingsFragment extends PreferenceFragmentCompat {
     private ListPreference themeListPreference;
     private Preference descriptionLanguageListPreference;
     private Preference appUiLanguageListPreference;
+    private Preference showDeletionButtonPreference;
     private String keyLanguageListPreference;
     private TextView recentLanguagesTextView;
     private View separator;
@@ -178,6 +181,18 @@ public class SettingsFragment extends PreferenceFragmentCompat {
             }
         });
 
+        //
+        showDeletionButtonPreference = findPreference("displayDeletionButton");
+        if (showDeletionButtonPreference != null) {
+            showDeletionButtonPreference.setOnPreferenceChangeListener((preference, newValue) -> {
+                boolean isEnabled = (boolean) newValue;
+                // Save preference when user toggles the button
+                defaultKvStore.putBoolean("displayDeletionButton", isEnabled);
+                return true;
+            });
+        }
+
+
         Preference betaTesterPreference = findPreference("becomeBetaTester");
         betaTesterPreference.setOnPreferenceClickListener(preference -> {
             Utils.handleWebUrl(getActivity(), Uri.parse(getResources().getString(R.string.beta_opt_in_link)));

app/src/main/res/layout/custom_selector_toolbar.xml

@@ -52,5 +52,20 @@
       app:layout_constraintVertical_bias="1.0"
       app:srcCompat="@drawable/ic_error_red_24dp" />
 
+    <ImageButton
+      android:id="@+id/menu_overflow"
+      android:layout_width="48dp"
+      android:layout_height="0dp"
+      android:background="#00FFFFFF"
+      android:contentDescription="@string/menu_overflow_desc"
+      app:layout_constraintBottom_toBottomOf="parent"
+      app:layout_constraintEnd_toEndOf="parent"
+      app:layout_constraintHorizontal_bias="0.0"
+      app:layout_constraintStart_toEndOf="@id/title"
+      app:layout_constraintTop_toTopOf="parent"
+      app:layout_constraintVertical_bias="1.0"
+      app:srcCompat="@drawable/ic_overflow" />
+
+
   </androidx.constraintlayout.widget.ConstraintLayout>
 </merge>

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

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
+  <item
+    android:id="@+id/action_delete_folder"
+    android:title="@string/delete_folder"
+    android:icon="@drawable/ic_delete_grey_700_24dp"
+    app:showAsAction="never" />
+</menu>

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

@@ -117,6 +117,7 @@
   <string name="categories_search_text_hint">Search categories</string>
   <string name="depicts_search_text_hint">Search for items that your media depicts (mountain, Taj Mahal, etc.)</string>
   <string name="menu_save_categories">Save</string>
+  <string name="menu_overflow_desc">Overflow menu</string>
   <string name="refresh_button">Refresh</string>
   <string name="display_list_button">List</string>
   <string name="contributions_subtitle_zero">(No uploads yet)</string>
@@ -831,4 +832,5 @@ Upload your first media by tapping on the add button.</string>
   <string name="pending">Pending</string>
   <string name="failed">Failed</string>
   <string name="could_not_load_place_data">Could not load place data</string>
+  <string name="delete_folder">Delete Folder</string>
 </resources>

app/src/main/res/xml/preferences.xml

@@ -51,6 +51,13 @@
           android:summary="@string/display_campaigns_explanation"
           android:title="@string/display_campaigns" />
 
+        <SwitchPreference
+          android:defaultValue="false"
+          android:key="displayDeletionButton"
+          app:singleLineTitle="false"
+          android:summary="Enable the &quot;Delete folder&quot; button in the custom picker"
+          android:title="Show Deletion Button" />
+
     </PreferenceCategory>
 
     <PreferenceCategory