Prohibit creating nested roots: #68

filepicker/build.gradle.kts

@@ -73,7 +73,7 @@ dependencies {
     implementation(libraries.viewbinding.property.delegate)
 }
 
-val libVersion: String = scmVersion.version
+val libVersion: String = /*scmVersion.version*/"0.1.1-SNAPSHOT-04"
 
 publishing {
     publications {
@@ -95,5 +95,6 @@ publishing {
                 password = System.getenv("GITHUB_TOKEN")
             }
         }
+        mavenLocal()
     }
 }

filepicker/src/main/java/dev/arkbuilders/components/filepicker/ArkFilePickerFragment.kt

@@ -306,6 +306,10 @@ open class ArkFilePickerFragment :
         FilePickerSideEffect.CannotPinFile -> {
             activity?.toast(R.string.ark_file_picker_pin_folder_only)
         }
+
+        FilePickerSideEffect.NestedRootProhibited -> {
+            activity?.toast(R.string.ark_file_nested_root_inside)
+        }
     }
 
 

filepicker/src/main/java/dev/arkbuilders/components/filepicker/ArkFilePickerViewModel.kt

@@ -1,5 +1,6 @@
 package dev.arkbuilders.components.filepicker
 
+import android.util.Log
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.viewModelScope
@@ -44,6 +45,7 @@ internal sealed class FilePickerSideEffect {
     data object AlreadyFavorite : FilePickerSideEffect()
     data object PinAsFirstRoot : FilePickerSideEffect()
     data object CannotPinFile : FilePickerSideEffect()
+    data object NestedRootProhibited : FilePickerSideEffect()
 
 }
 
@@ -190,6 +192,24 @@ internal class ArkFilePickerViewModel(
         val roots = rootsWithFavorites.keys
         val root = roots.find { root -> file.startsWith(root) }
         val favorites = rootsWithFavorites[root]?.flatten()
+
+        val hasNestedRoot = roots.contains(file)
+                || (roots.indexOfFirst { path ->
+                    val index = path.toString().indexOf(file.toString())
+                    (index >= 0) && (path.toString()[index] == '/') } >= 0)
+
+        Log.d("tuancoltech", "rootsWithFavorites: " + rootsWithFavorites
+                + "\nroots: " + roots
+                + "\nfavorites: " + favorites
+                + "\nPining file: " + file.toString()
+                + "\nhasNestedRoot: " + hasNestedRoot)
+
+        if (hasNestedRoot) {
+            Log.v("tuancoltech", "NestedRootProhibited file: " + file)
+            postSideEffect(FilePickerSideEffect.NestedRootProhibited)
+            return@intent
+        }
+
         val haveRoot = haveRoot()
 
         root?.let {
@@ -232,4 +252,9 @@ internal class ArkFilePickerViewModelFactory(
 
     override fun <T : ViewModel> create(modelClass: Class<T>): T =
         ArkFilePickerViewModel(deviceStorageUtils, mode, initialPath) as T
+}
+
+fun Path.isChildOf(path: Path): Boolean {
+    val index = path.toString().indexOf(this.toString())
+    return (index >= 0) && (path.toString()[index] == '/')
 }

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

@@ -16,6 +16,7 @@
     <string name="ark_file_picker_already_a_favorite">Already be a Favorite folder!</string>
     <string name="ark_file_picker_already_be_a_root">Already be a Root folder!</string>
     <string name="ark_file_picker_pin_folder_only">Only folder can be pinned.</string>
+    <string name="ark_file_nested_root_inside">There\'s already nested root(s) inside.</string>
     <string name="ark_file_picker_pin">Pin</string>
     <plurals name="ark_file_picker_items">
         <item quantity="one">%d item</item>

sample/build.gradle.kts

@@ -68,6 +68,12 @@ android {
     }
 }
 
+buildscript {
+    repositories {
+        mavenLocal()
+    }
+}
+
 dependencies {
     implementation(libraries.ark.component.filepicker)
     implementation(libraries.arklib)

settings.gradle.kts

@@ -4,6 +4,7 @@ pluginManagement {
     repositories {
         google()
         mavenCentral()
+        mavenLocal()
         gradlePluginPortal()
     }
 }
@@ -12,6 +13,7 @@ dependencyResolutionManagement {
     repositories {
         google()
         mavenCentral()
+        mavenLocal()
         maven {
             url = URI("https://jitpack.io")
         }