move the rename dialog in a separate file

app/src/main/java/com/simplemobiletools/filemanager/fragments/ItemsFragment.java

@@ -23,10 +23,8 @@ import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.WindowManager;
 import android.webkit.MimeTypeMap;
 import android.widget.AdapterView;
-import android.widget.EditText;
 import android.widget.ListView;
 import android.widget.RadioGroup;
 import android.widget.TextView;
@@ -39,6 +37,7 @@ import com.simplemobiletools.filemanager.adapters.ItemsAdapter;
 import com.simplemobiletools.filemanager.asynctasks.CopyTask;
 import com.simplemobiletools.filemanager.dialogs.CreateNewItemDialog;
 import com.simplemobiletools.filemanager.dialogs.PropertiesDialog;
+import com.simplemobiletools.filemanager.dialogs.RenameItemDialog;
 import com.simplemobiletools.filepicker.dialogs.FilePickerDialog;
 import com.simplemobiletools.filepicker.models.FileDirItem;
 
@@ -358,44 +357,10 @@ public class ItemsFragment extends android.support.v4.app.Fragment
         if (item == null)
             return;
 
-        final View renameView = getActivity().getLayoutInflater().inflate(R.layout.rename_item, null);
+        new RenameItemDialog(getContext(), mPath, item, new RenameItemDialog.OnRenameItemListener() {
-        final EditText itemName = (EditText) renameView.findViewById(R.id.item_name);
-        itemName.setText(item.getName());
-
-        final int title = (item.isDirectory()) ? R.string.rename_directory : R.string.rename_file;
-        final AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
-        builder.setTitle(getResources().getString(title));
-        builder.setView(renameView);
-        builder.setPositiveButton(R.string.ok, null);
-        builder.setNegativeButton(R.string.cancel, null);
-
-        final AlertDialog alertDialog = builder.create();
-        alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
-        alertDialog.show();
-        alertDialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(new View.OnClickListener() {
             @Override
-            public void onClick(View v) {
+            public void onSuccess() {
-                final String name = itemName.getText().toString().trim();
-                if (Utils.isNameValid(name)) {
-                    final File currFile = new File(mPath, item.getName());
-                    final File newFile = new File(mPath, name);
-
-                    if (newFile.exists()) {
-                        Utils.showToast(getContext(), R.string.name_taken);
-                        return;
-                    }
-
-                    if (currFile.renameTo(newFile)) {
-                        rescanItem(newFile);
-                        MediaScannerConnection.scanFile(getContext(), new String[]{currFile.getAbsolutePath(), newFile.getAbsolutePath()}, null, null);
-                        alertDialog.dismiss();
                 fillItems();
-                    } else {
-                        Utils.showToast(getContext(), R.string.error_occurred);
-                    }
-                } else {
-                    Utils.showToast(getContext(), R.string.invalid_name);
-                }
             }
         });
     }

app/src/main/kotlin/com/simplemobiletools/filemanager/dialogs/RenameItemDialog.kt

@@ -0,0 +1,60 @@
+package com.simplemobiletools.filemanager.dialogs
+
+import android.content.Context
+import android.media.MediaScannerConnection
+import android.support.v7.app.AlertDialog
+import android.view.LayoutInflater
+import android.view.WindowManager
+import com.simplemobiletools.filemanager.R
+import com.simplemobiletools.filemanager.Utils
+import com.simplemobiletools.filemanager.extensions.rescanItem
+import com.simplemobiletools.filemanager.extensions.toast
+import com.simplemobiletools.filemanager.extensions.value
+import com.simplemobiletools.filepicker.models.FileDirItem
+import kotlinx.android.synthetic.main.rename_item.view.*
+import java.io.File
+
+class RenameItemDialog(val context: Context, val path: String, val item: FileDirItem, val listener: OnRenameItemListener) {
+
+    init {
+        val view = LayoutInflater.from(context).inflate(R.layout.rename_item, null)
+        view.item_name.setText(item.name)
+
+        AlertDialog.Builder(context)
+                .setTitle(context.resources.getString(R.string.create_new))
+                .setView(view)
+                .setPositiveButton(R.string.ok, null)
+                .setNegativeButton(R.string.cancel, null)
+                .create().apply {
+            window!!.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE)
+            show()
+            getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener({
+                val name = view.item_name.value
+                if (Utils.isNameValid(name)) {
+                    val currFile = File(path, item.name)
+                    val newFile = File(path, name)
+
+                    if (newFile.exists()) {
+                        context.toast(R.string.name_taken)
+                        return@setOnClickListener
+                    }
+
+                    if (currFile.renameTo(newFile)) {
+                        context.rescanItem(newFile)
+                        MediaScannerConnection.scanFile(context, arrayOf(currFile.absolutePath, newFile.absolutePath), null, null)
+                        dismiss()
+                        listener.onSuccess()
+                    } else {
+                        context.toast(R.string.error_occurred)
+                    }
+                } else {
+                    context.toast(R.string.invalid_name)
+                }
+            })
+        }
+    }
+
+    interface OnRenameItemListener {
+        fun onSuccess()
+    }
+}

app/src/main/kotlin/com/simplemobiletools/filemanager/extensions/context.kt

@@ -1,8 +1,20 @@
 package com.simplemobiletools.filemanager.extensions
 
 import android.content.Context
+import android.media.MediaScannerConnection
 import android.widget.Toast
+import java.io.File
 
 fun Context.toast(id: Int) = Toast.makeText(this, resources.getString(id), Toast.LENGTH_SHORT).show()
 
 fun Context.toast(message: String) = Toast.makeText(this, message, Toast.LENGTH_SHORT).show()
+
+fun Context.rescanItem(item: File) {
+    if (item.isDirectory) {
+        for (child in item.listFiles()) {
+            rescanItem(child)
+        }
+    }
+
+    MediaScannerConnection.scanFile(this, arrayOf(item.absolutePath), null, null)
+}