allow saving files in the file editor

app/build.gradle

@@ -37,7 +37,7 @@ android {
 }
 
 dependencies {
-    compile 'com.simplemobiletools:commons:2.31.0'
+    compile 'com.simplemobiletools:commons:2.31.1'
     compile 'com.bignerdranch.android:recyclerview-multiselect:0.2'
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 

app/src/main/kotlin/com/simplemobiletools/filemanager/activities/ReadTextActivity.kt

@@ -3,14 +3,20 @@ package com.simplemobiletools.filemanager.activities
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
+import com.simplemobiletools.commons.extensions.getFileOutputStream
+import com.simplemobiletools.commons.extensions.getRealPathFromURI
+import com.simplemobiletools.commons.extensions.hideKeyboard
 import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.helpers.PERMISSION_WRITE_STORAGE
 import com.simplemobiletools.filemanager.R
+import com.simplemobiletools.filemanager.dialogs.SaveAsDialog
 import com.simplemobiletools.filemanager.extensions.config
 import kotlinx.android.synthetic.main.activity_read_text.*
 import java.io.File
 
 class ReadTextActivity : SimpleActivity() {
+    var filePath = ""
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_read_text)
@@ -39,13 +45,28 @@ class ReadTextActivity : SimpleActivity() {
     }
 
     private fun saveText() {
+        if (filePath.isEmpty()) {
+            filePath = getRealPathFromURI(intent.data) ?: ""
+        }
 
+        SaveAsDialog(this, filePath) {
+            getFileOutputStream(File(it)) {
+                if (it != null) {
+                    it.bufferedWriter().use { it.write(read_text_view.text.toString()) }
+                    toast(R.string.file_saved)
+                    hideKeyboard()
+                } else {
+                    toast(R.string.unknown_error_occurred)
+                }
+            }
+        }
     }
 
     private fun checkIntent() {
         read_text_view.setTextColor(config.textColor)
         val uri = intent.data
         val text = if (uri.scheme == "file") {
+            filePath = uri.path
             File(uri.path).readText()
         } else {
             contentResolver.openInputStream(uri).bufferedReader().use { it.readText() }

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

@@ -0,0 +1,83 @@
+package com.simplemobiletools.filemanager.dialogs
+
+import android.support.v7.app.AlertDialog
+import android.view.LayoutInflater
+import android.view.WindowManager
+import com.simplemobiletools.commons.dialogs.ConfirmationDialog
+import com.simplemobiletools.commons.dialogs.FilePickerDialog
+import com.simplemobiletools.commons.extensions.*
+import com.simplemobiletools.filemanager.R
+import com.simplemobiletools.filemanager.activities.SimpleActivity
+import kotlinx.android.synthetic.main.dialog_save_as.view.*
+import java.io.File
+
+class SaveAsDialog(val activity: SimpleActivity, var path: String, val callback: (savePath: String) -> Unit) {
+
+    init {
+        if (path.isEmpty()) {
+            path = "${activity.internalStoragePath}/${System.currentTimeMillis()}.txt"
+        }
+
+        var realPath = File(path).parent.trimEnd('/')
+        val view = LayoutInflater.from(activity).inflate(R.layout.dialog_save_as, null).apply {
+            save_as_path.text = activity.humanizePath(realPath)
+
+            val fullName = path.getFilenameFromPath()
+            val dotAt = fullName.lastIndexOf(".")
+            var name = fullName
+
+            if (dotAt > 0) {
+                name = fullName.substring(0, dotAt)
+                val extension = fullName.substring(dotAt + 1)
+                save_as_extension.setText(extension)
+            }
+
+            save_as_name.setText(name)
+            save_as_path.setOnClickListener {
+                FilePickerDialog(activity, realPath, false, false, true) {
+                    save_as_path.text = activity.humanizePath(it)
+                    realPath = it
+                }
+            }
+        }
+
+        AlertDialog.Builder(activity)
+                .setPositiveButton(R.string.ok, null)
+                .setNegativeButton(R.string.cancel, null)
+                .create().apply {
+            window!!.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE)
+            activity.setupDialogStuff(view, this, R.string.save_as)
+            getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener({
+                val filename = view.save_as_name.value
+                val extension = view.save_as_extension.value
+
+                if (filename.isEmpty()) {
+                    activity.toast(R.string.filename_cannot_be_empty)
+                    return@setOnClickListener
+                }
+
+                if (extension.isEmpty()) {
+                    activity.toast(R.string.extension_cannot_be_empty)
+                    return@setOnClickListener
+                }
+
+                val newFile = File(realPath, "$filename.$extension")
+                if (!newFile.name.isAValidFilename()) {
+                    activity.toast(R.string.filename_invalid_characters)
+                    return@setOnClickListener
+                }
+
+                if (newFile.exists()) {
+                    val title = String.format(activity.getString(R.string.file_already_exists_overwrite), newFile.name)
+                    ConfirmationDialog(activity, title) {
+                        callback(newFile.absolutePath)
+                        dismiss()
+                    }
+                } else {
+                    callback(newFile.absolutePath)
+                    dismiss()
+                }
+            })
+        }
+    }
+}

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

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/save_as_holder"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="@dimen/activity_margin">
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/save_as_path_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/path"
+        android:textSize="@dimen/smaller_text_size"/>
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/save_as_path"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="@dimen/activity_margin"
+        android:layout_marginLeft="@dimen/activity_margin"
+        android:paddingRight="@dimen/small_margin"
+        android:paddingTop="@dimen/small_margin"/>
+
+    <com.simplemobiletools.commons.views.MyEditText
+        android:id="@+id/save_as_name"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="@dimen/activity_margin"
+        android:singleLine="true"
+        android:textCursorDrawable="@null"/>
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/save_as_extension_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/extension"/>
+
+    <com.simplemobiletools.commons.views.MyEditText
+        android:id="@+id/save_as_extension"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="@dimen/activity_margin"
+        android:singleLine="true"
+        android:textCursorDrawable="@null"/>
+
+</LinearLayout>