fix #109, allow exporting all notes at once

app/src/main/kotlin/com/simplemobiletools/notes/activities/MainActivity.kt

@@ -38,7 +38,7 @@ class MainActivity : SimpleActivity(), ViewPager.OnPageChangeListener {
     private var mAdapter: NotesPagerAdapter? = null
 
     lateinit var mCurrentNote: Note
-    lateinit var mNotes: List<Note>
+    private var mNotes = ArrayList<Note>()
 
     private var noteViewWithTextSelected: MyEditText? = null
     private var wasInit = false
@@ -110,6 +110,7 @@ class MainActivity : SimpleActivity(), ViewPager.OnPageChangeListener {
             findItem(R.id.rename_note).isVisible = shouldBeVisible
             findItem(R.id.open_note).isVisible = shouldBeVisible
             findItem(R.id.delete_note).isVisible = shouldBeVisible
+            findItem(R.id.export_all_notes).isVisible = shouldBeVisible
         }
 
         pager_title_strip.beVisibleIf(shouldBeVisible)
@@ -125,6 +126,7 @@ class MainActivity : SimpleActivity(), ViewPager.OnPageChangeListener {
             R.id.share -> shareText()
             R.id.open_file -> tryOpenFile()
             R.id.export_as_file -> tryExportAsFile()
+            R.id.export_all_notes -> tryExportAllNotes()
             R.id.delete_note -> displayDeleteNotePrompt()
             R.id.settings -> startActivity(Intent(applicationContext, SettingsActivity::class.java))
             R.id.about -> launchAbout()
@@ -319,14 +321,42 @@ class MainActivity : SimpleActivity(), ViewPager.OnPageChangeListener {
     }
 
     private fun exportAsFile() {
-        ExportAsDialog(this, mCurrentNote) {
+        ExportFileDialog(this, mCurrentNote) {
             if (getCurrentNoteText()?.isNotEmpty() == true) {
-                exportNoteValueToFile(it, getCurrentNoteText()!!)
+                exportNoteValueToFile(it, getCurrentNoteText()!!, true)
             }
         }
     }
 
-    fun exportNoteValueToFile(path: String, content: String) {
+    private fun tryExportAllNotes() {
+        handlePermission(PERMISSION_WRITE_STORAGE) {
+            if (it) {
+                exportAllNotes()
+            }
+        }
+    }
+
+    private fun exportAllNotes() {
+        ExportFilesDialog(this, mNotes) { parent, extension ->
+            var failCount = 0
+            mNotes = dbHelper.getNotes()
+            mNotes.forEachIndexed { index, note ->
+                val filename = if (extension.isEmpty()) note.title else "${note.title}.$extension"
+                val file = File(parent, filename)
+                exportNoteValueToFile(file.absolutePath, note.value, false) {
+                    if (!it) {
+                        failCount++
+                    }
+
+                    if (index == mNotes.size - 1) {
+                        toast(if (failCount == 0) R.string.exporting_successful else R.string.exporting_some_entries_failed)
+                    }
+                }
+            }
+        }
+    }
+
+    fun exportNoteValueToFile(path: String, content: String, showSuccessToasts: Boolean, callback: ((success: Boolean) -> Unit)? = null) {
         try {
             val file = File(path)
             if (file.isDirectory) {
@@ -345,16 +375,23 @@ class MainActivity : SimpleActivity(), ViewPager.OnPageChangeListener {
                         flush()
                         close()
                     }
-                    noteExportedSuccessfully(path.getFilenameFromPath())
+                    if (showSuccessToasts) {
+                        noteExportedSuccessfully(path.getFilenameFromPath())
+                    }
+                    callback?.invoke(true)
                 }
             } else {
                 file.printWriter().use { out ->
                     out.write(content)
                 }
-                noteExportedSuccessfully(path.getFilenameFromPath())
+                if (showSuccessToasts) {
+                    noteExportedSuccessfully(path.getFilenameFromPath())
+                }
+                callback?.invoke(true)
             }
         } catch (e: Exception) {
             showErrorToast(e)
+            callback?.invoke(false)
         }
     }
 

app/src/main/kotlin/com/simplemobiletools/notes/dialogs/ExportFileDialog.kt

@@ -8,14 +8,14 @@ import com.simplemobiletools.notes.R
 import com.simplemobiletools.notes.activities.SimpleActivity
 import com.simplemobiletools.notes.extensions.config
 import com.simplemobiletools.notes.models.Note
-import kotlinx.android.synthetic.main.dialog_export_as.view.*
+import kotlinx.android.synthetic.main.dialog_export_file.view.*
 import java.io.File
 
-class ExportAsDialog(val activity: SimpleActivity, val note: Note, val callback: (exportPath: String) -> Unit) {
+class ExportFileDialog(val activity: SimpleActivity, val note: Note, val callback: (exportPath: String) -> Unit) {
 
     init {
         var realPath = File(note.path).parent ?: activity.config.lastUsedSavePath
-        val view = activity.layoutInflater.inflate(R.layout.dialog_export_as, null).apply {
+        val view = activity.layoutInflater.inflate(R.layout.dialog_export_file, null).apply {
             file_path.text = activity.humanizePath(realPath)
 
             file_name.setText(note.title)

app/src/main/kotlin/com/simplemobiletools/notes/dialogs/ExportFilesDialog.kt

@@ -0,0 +1,49 @@
+package com.simplemobiletools.notes.dialogs
+
+import android.support.v7.app.AlertDialog
+import android.view.WindowManager
+import com.simplemobiletools.commons.dialogs.FilePickerDialog
+import com.simplemobiletools.commons.extensions.humanizePath
+import com.simplemobiletools.commons.extensions.setupDialogStuff
+import com.simplemobiletools.commons.extensions.value
+import com.simplemobiletools.notes.R
+import com.simplemobiletools.notes.activities.SimpleActivity
+import com.simplemobiletools.notes.extensions.config
+import com.simplemobiletools.notes.models.Note
+import kotlinx.android.synthetic.main.dialog_export_files.view.*
+import java.io.File
+
+class ExportFilesDialog(val activity: SimpleActivity, val notes: ArrayList<Note>, val callback: (parent: String, extension: String) -> Unit) {
+    init {
+        var realPath = activity.config.lastUsedSavePath
+        val view = activity.layoutInflater.inflate(R.layout.dialog_export_files, null).apply {
+            folder_path.text = activity.humanizePath(realPath)
+
+            file_extension.setText(activity.config.lastUsedExtension)
+            folder_path.setOnClickListener {
+                FilePickerDialog(activity, realPath, false, false, true) {
+                    folder_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.export_as_file) {
+                getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener {
+                    activity.handleSAFDialog(File(realPath)) {
+                        val extension = view.file_extension.value
+                        activity.config.lastUsedExtension = extension
+                        activity.config.lastUsedSavePath = realPath
+                        callback(realPath, extension)
+                        dismiss()
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/kotlin/com/simplemobiletools/notes/fragments/NoteFragment.kt

@@ -60,11 +60,13 @@ class NoteFragment : Fragment() {
     fun getNotesView() = view.notes_view
 
     fun saveText() {
-        if (note.path.isNotEmpty() && !File(note.path).exists())
+        if (note.path.isNotEmpty() && !File(note.path).exists()) {
             return
+        }
 
-        if (context == null || activity == null)
+        if (context == null || activity == null) {
             return
+        }
 
         val newText = getCurrentNoteViewText()
         val oldText = context!!.getNoteStoredValue(note)
@@ -84,7 +86,7 @@ class NoteFragment : Fragment() {
             mDb.updateNoteValue(note)
             (activity as MainActivity).noteSavedSuccessfully(note.title)
         } else {
-            (activity as MainActivity).exportNoteValueToFile(note.path, getCurrentNoteViewText())
+            (activity as MainActivity).exportNoteValueToFile(note.path, getCurrentNoteViewText(), true)
         }
     }
 

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

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/export_as_holder"
+    android:id="@+id/export_file_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
@@ -18,8 +18,8 @@
         android:id="@+id/file_path"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="@dimen/activity_margin"
-        android:layout_marginLeft="@dimen/activity_margin"
+        android:paddingBottom="@dimen/activity_margin"
+        android:paddingLeft="@dimen/activity_margin"
         android:paddingRight="@dimen/small_margin"
         android:paddingTop="@dimen/small_margin"/>
 

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

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/export_files_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/folder_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/folder_path"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingBottom="@dimen/activity_margin"
+        android:paddingLeft="@dimen/activity_margin"
+        android:paddingRight="@dimen/small_margin"
+        android:paddingTop="@dimen/small_margin"/>
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/file_extension_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/extension"
+        android:textSize="@dimen/smaller_text_size"/>
+
+    <com.simplemobiletools.commons.views.MyEditText
+        android:id="@+id/file_extension"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="@dimen/activity_margin"
+        android:inputType="text"
+        android:singleLine="true"
+        android:textCursorDrawable="@null"
+        android:textSize="@dimen/normal_text_size"/>
+
+</LinearLayout>

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

@@ -29,6 +29,10 @@
         android:id="@+id/export_as_file"
         android:title="@string/export_as_file"
         app:showAsAction="never"/>
+    <item
+        android:id="@+id/export_all_notes"
+        android:title="@string/export_all_notes"
+        app:showAsAction="never"/>
     <item
         android:id="@+id/delete_note"
         android:icon="@drawable/ic_delete"