Merge pull request #1025 from Pa3kSB/random-sorting

Added random sort option

app/src/main/kotlin/com/simplemobiletools/gallery/dialogs/ChangeSortingDialog.kt

@@ -10,6 +10,7 @@ import com.simplemobiletools.commons.helpers.*
 import com.simplemobiletools.gallery.R
 import com.simplemobiletools.gallery.extensions.config
 import com.simplemobiletools.gallery.helpers.SHOW_ALL
+import com.simplemobiletools.gallery.helpers.SORT_BY_RANDOM
 import kotlinx.android.synthetic.main.dialog_change_sorting.view.*
 
 class ChangeSortingDialog(val activity: BaseSimpleActivity, val isDirectorySorting: Boolean, showFolderCheckbox: Boolean,
@@ -47,6 +48,7 @@ class ChangeSortingDialog(val activity: BaseSimpleActivity, val isDirectorySorti
             currSorting and SORT_BY_SIZE != 0 -> sortingRadio.sorting_dialog_radio_size
             currSorting and SORT_BY_DATE_MODIFIED != 0 -> sortingRadio.sorting_dialog_radio_last_modified
             currSorting and SORT_BY_DATE_TAKEN != 0 -> sortingRadio.sorting_dialog_radio_date_taken
+            currSorting and SORT_BY_RANDOM != 0 -> sortingRadio.sorting_dialog_radio_random
             else -> sortingRadio.sorting_dialog_radio_name
         }
         sortBtn.isChecked = true
@@ -69,6 +71,7 @@ class ChangeSortingDialog(val activity: BaseSimpleActivity, val isDirectorySorti
             R.id.sorting_dialog_radio_path -> SORT_BY_PATH
             R.id.sorting_dialog_radio_size -> SORT_BY_SIZE
             R.id.sorting_dialog_radio_last_modified -> SORT_BY_DATE_MODIFIED
+            R.id.sorting_dialog_radio_random -> SORT_BY_RANDOM
             else -> SORT_BY_DATE_TAKEN
         }
 

app/src/main/kotlin/com/simplemobiletools/gallery/extensions/Context.kt

@@ -139,6 +139,11 @@ fun Context.getSortedDirectories(source: ArrayList<Directory>): ArrayList<Direct
     val sorting = config.directorySorting
     val dirs = source.clone() as ArrayList<Directory>
 
+    if (sorting and SORT_BY_RANDOM != 0) {
+        dirs.shuffle()
+        return movePinnedDirectoriesToFront(dirs)
+    }
+
     dirs.sortWith(Comparator { o1, o2 ->
         o1 as Directory
         o2 as Directory

app/src/main/kotlin/com/simplemobiletools/gallery/helpers/Constants.kt

@@ -157,3 +157,6 @@ const val BOTTOM_ACTION_RENAME = 1024
 const val BOTTOM_ACTION_SET_AS = 2048
 
 const val DEFAULT_BOTTOM_ACTIONS = BOTTOM_ACTION_TOGGLE_FAVORITE or BOTTOM_ACTION_EDIT or BOTTOM_ACTION_SHARE or BOTTOM_ACTION_DELETE
+
+// sorting
+const val SORT_BY_RANDOM = 16384

app/src/main/kotlin/com/simplemobiletools/gallery/helpers/MediaFetcher.kt

@@ -343,7 +343,12 @@ class MediaFetcher(val context: Context) {
         return dateTakens
     }
 
-    fun sortMedia(media: ArrayList<Medium>, sorting: Int) {
+    fun sortMedia (media: ArrayList<Medium>, sorting: Int) {
+        if (sorting and SORT_BY_RANDOM != 0) {
+            media.shuffle()
+            return
+        }
+
         media.sortWith(Comparator { o1, o2 ->
             o1 as Medium
             o2 as Medium

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

@@ -60,6 +60,14 @@
                 android:paddingTop="@dimen/medium_margin"
                 android:text="@string/date_taken"/>
 
+            <com.simplemobiletools.commons.views.MyCompatRadioButton
+                android:id="@+id/sorting_dialog_radio_random"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:paddingBottom="@dimen/medium_margin"
+                android:paddingTop="@dimen/medium_margin"
+                android:text="@string/random"/>
+
         </RadioGroup>
 
         <include

app/src/main/res/values-sk/strings.xml

@@ -221,6 +221,7 @@
 
         Táto aplikácia je iba jednou zo skupiny aplikácií. Ostatné viete nájsť na https://www.simplemobiletools.com
     </string>
+    <string name="random">Náhodne</string>
 
     <!--
         Haven't found some strings? There's more at

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

@@ -221,6 +221,7 @@
 
         This app is just one piece of a bigger series of apps. You can find the rest of them at https://www.simplemobiletools.com
     </string>
+    <string name="random">Random</string>
 
     <!--
         Haven't found some strings? There's more at