WIP: [feature] Folder creation capability

lib/src/main/java/dev/arkbuilders/arkfilepicker/presentation/filepicker/ArkFilePickerFragment.kt

@@ -1,5 +1,6 @@
 package dev.arkbuilders.arkfilepicker.presentation.filepicker
 
+import android.app.AlertDialog
 import android.graphics.Color
 import android.graphics.drawable.ColorDrawable
 import android.os.Bundle
@@ -17,7 +18,6 @@ import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.setFragmentResult
 import androidx.fragment.app.viewModels
-import androidx.lifecycle.lifecycleScope
 import by.kirich1409.viewbindingdelegate.viewBinding
 import com.bumptech.glide.Glide
 import com.bumptech.glide.load.engine.DiskCacheStrategy
@@ -27,13 +27,13 @@ import com.mikepenz.fastadapter.FastAdapter
 import com.mikepenz.fastadapter.GenericItem
 import com.mikepenz.fastadapter.adapters.ItemAdapter
 import com.mikepenz.fastadapter.binding.AbstractBindingItem
-import kotlinx.coroutines.launch
 import org.orbitmvi.orbit.viewmodel.observe
 import dev.arkbuilders.arkfilepicker.ArkFilePickerConfig
 import dev.arkbuilders.arkfilepicker.presentation.DevicesPopup
 import dev.arkbuilders.arkfilepicker.FileUtils
 import dev.arkbuilders.arkfilepicker.INTERNAL_STORAGE
 import dev.arkbuilders.arkfilepicker.R
+import dev.arkbuilders.arkfilepicker.databinding.ArkFilePickerDialogNewFolderBinding
 import dev.arkbuilders.arkfilepicker.databinding.ArkFilePickerHostFragmentBinding
 import dev.arkbuilders.arkfilepicker.databinding.ArkFilePickerItemFileBinding
 import dev.arkbuilders.arkfilepicker.databinding.ArkFilePickerItemFilesRootsPageBinding
@@ -43,8 +43,8 @@ import dev.arkbuilders.arkfilepicker.iconForExtension
 import dev.arkbuilders.arkfilepicker.listChildren
 import dev.arkbuilders.arkfilepicker.presentation.args
 import dev.arkbuilders.arkfilepicker.presentation.folderstree.FolderTreeView
-import dev.arkbuilders.arkfilepicker.folders.FoldersRepo
 import dev.arkbuilders.arkfilepicker.setDragSensitivity
+import java.io.File
 import java.lang.Exception
 import java.nio.file.Path
 import kotlin.io.path.Path
@@ -144,6 +144,43 @@ open class ArkFilePickerFragment :
         } else {
             tabs.isVisible = false
         }
+
+        if (mode == ArkFilePickerMode.FOLDER.ordinal) {
+            binding.ivNewFolder.visibility = View.VISIBLE
+            binding.ivNewFolder.setOnClickListener {
+                showCreateFolderDialog()
+            }
+        } else {
+            binding.ivNewFolder.visibility = View.GONE
+        }
+
+    }
+
+    private fun showCreateFolderDialog() {
+        val builder = AlertDialog.Builder(activity, android.R.style.ThemeOverlay_Material_Dialog_Alert)
+        builder.setTitle(R.string.ark_file_picker_new_folder)
+        val binding = ArkFilePickerDialogNewFolderBinding.inflate(layoutInflater)
+        builder.setView(binding.root)
+        builder.setPositiveButton(android.R.string.ok, null)
+
+        builder.setNegativeButton(android.R.string.cancel) { _, _ -> }
+        val dialog = builder.create()
+        dialog.show()
+        dialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener {
+            val newFolder = File(currentFolder.toString(), binding.editTextFolderName.text.toString())
+            if (newFolder.exists()) {
+                binding.inputLayoutFolderName.error = getString(R.string.ark_file_picker_folder_existing)
+                return@setOnClickListener
+            }
+            val isSuccess = newFolder.mkdirs()
+
+            if (isSuccess) {
+                //Reload current files tree
+                currentFolder?.let { viewModel.onItemClick(it) }
+                dialog.dismiss()
+            }
+        }
+
     }
 
     private fun render(state: FilePickerState) = binding.apply {

lib/src/main/java/dev/arkbuilders/arkfilepicker/presentation/filepicker/ArkFilePickerViewModel.kt

@@ -78,7 +78,9 @@ internal class ArkFilePickerViewModel(
             onPathPicked(path)
     }
 
-    fun onPickBtnClick() = intent { onPathPicked(state.currentPath) }
+    fun onPickBtnClick() = intent {
+        onPathPicked(state.currentPath)
+    }
 
     fun onDeviceSelected(selectedDevicePos: Int) = intent {
         val selectedDevice = state.devices[selectedDevicePos]

lib/src/main/res/drawable/ark_file_picker_ic_new_folder.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M20,6h-8l-2,-2L4,4c-1.11,0 -1.99,0.89 -1.99,2L2,18c0,1.11 0.89,2 2,2h16c1.11,0 2,-0.89 2,-2L22,8c0,-1.11 -0.89,-2 -2,-2zM19,14h-3v3h-2v-3h-3v-2h3L14,9h2v3h3v2z"/>
+</vector>

lib/src/main/res/layout/ark_file_picker_dialog_new_folder.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.google.android.material.textfield.TextInputLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintTop_toTopOf="parent"
+    android:layout_marginTop="20dp"
+    android:layout_marginHorizontal="20dp"
+    android:id="@+id/input_layout_folder_name"
+    android:hint="@string/ark_file_picker_new_folder_hint">
+
+    <com.google.android.material.textfield.TextInputEditText
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:id="@+id/edit_text_folder_name"
+        android:background="@android:color/transparent"/>
+
+
+</com.google.android.material.textfield.TextInputLayout>

lib/src/main/res/layout/ark_file_picker_host_fragment.xml

@@ -9,13 +9,9 @@
 
     <TextView
         android:id="@+id/tv_title"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Pick"
-        android:textAlignment="center"
-        android:padding="8dp"
-        android:textColor="@color/ark_file_picker_black"
-        android:textSize="18sp" />
+        android:text="@string/ark_file_picker_pick_title"
+        style="@style/ArkFileDialogTitle"
+        android:padding="@dimen/padding_text_dialog_title"/>
 
     <HorizontalScrollView
         android:id="@+id/scroll_path"
@@ -40,6 +36,16 @@
         </LinearLayout>
     </HorizontalScrollView>
 
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:src="@drawable/ark_file_picker_ic_new_folder"
+        android:layout_gravity="end"
+        android:layout_marginEnd="16dp"
+        android:id="@+id/iv_new_folder"
+        app:tint="@color/ark_file_picker_gray"
+        android:background="?attr/selectableItemBackgroundBorderless"/>
+
     <com.google.android.material.tabs.TabLayout
         android:id="@+id/tabs"
         android:layout_width="match_parent"

lib/src/main/res/values/dimens.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <dimen name="text_size_dialog_title">18sp</dimen>
+    <dimen name="padding_text_dialog_title">8dp</dimen>
+</resources>

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

@@ -10,6 +10,9 @@
     <string name="ark_file_picker_add_favorite">Add favorite</string>
     <string name="ark_file_picker_forget_root">Forget root</string>
     <string name="ark_file_picker_forget_favorite">Forget favorite</string>
+    <string name="ark_file_picker_new_folder">New folder</string>
+    <string name="ark_file_picker_folder_existing">Folder already exists!</string>
+    <string name="ark_file_picker_new_folder_hint">Name your folder</string>
     <plurals name="ark_file_picker_items">
         <item quantity="one">%d item</item>
         <item quantity="other">%d items</item>

lib/src/main/res/values/themes.xml

@@ -3,4 +3,12 @@
         <item name="android:windowEnterAnimation">@anim/ark_file_picker_fade_in</item>
         <item name="android:windowExitAnimation">@anim/ark_file_pickerfade_out</item>
     </style>
+
+    <style name="ArkFileDialogTitle">
+        <item name="android:layout_width">match_parent</item>
+        <item name="android:layout_height">wrap_content</item>
+        <item name="android:textSize">@dimen/text_size_dialog_title</item>
+        <item name="android:textColor">@color/ark_file_picker_black</item>
+        <item name="android:gravity">center</item>
+    </style>
 </resources>

sample/src/main/java/dev/arkbuilders/arkfilepicker/sample/MainActivity.kt

@@ -41,10 +41,17 @@ class MainActivity : AppCompatActivity() {
                 .newInstance()
                 .show(supportFragmentManager, null)
         }
+
+        findViewById<MaterialButton>(R.id.btn_open_file_mode).setOnClickListener {
+            resolvePermissions()
+            ArkFilePickerFragment
+                .newInstance(getFilePickerConfig(mode = ArkFilePickerMode.FILE))
+                .show(supportFragmentManager, null)
+        }
     }
 
-    private fun getFilePickerConfig() = ArkFilePickerConfig(
-        mode = ArkFilePickerMode.FOLDER,
+    private fun getFilePickerConfig(mode: ArkFilePickerMode? = null) = ArkFilePickerConfig(
+        mode = mode ?: ArkFilePickerMode.FOLDER,
         titleStringId = R.string.file_picker_title,
         showRoots = true,
         rootsFirstPage = false

sample/src/main/res/layout/activity_main.xml

@@ -10,7 +10,7 @@
         android:id="@+id/btn_open"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Open file picker"
+        android:text="@string/file_picker_open_folder"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toTopOf="parent"
@@ -25,4 +25,13 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toBottomOf="@id/btn_open" />
 
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/btn_open_file_mode"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/file_picker_open_file"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/btn_root_picker"/>
+
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -1,4 +1,6 @@
 <resources>
     <string name="app_name">Sample</string>
     <string name="file_picker_title">Pick favorite folder</string>
+    <string name="file_picker_open_folder">Open folder picker</string>
+    <string name="file_picker_open_file">Open file picker</string>
 </resources>