From 72381ba53d98f4a9b97eeb57e355ea205f493378 Mon Sep 17 00:00:00 2001
From: tibbi <tibor@kaputa.sk>
Date: Sun, 11 Dec 2016 21:38:15 +0100
Subject: [PATCH] allow changing directory column cnt too

---
 .../gallery/activities/MainActivity.kt        | 22 +++++++++++++++++++
 app/src/main/res/layout/activity_main.xml     |  2 +-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/activities/MainActivity.kt
index c314944c4..852be6f43 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/activities/MainActivity.kt
@@ -10,6 +10,7 @@ import android.os.Bundle
 import android.provider.MediaStore
 import android.support.design.widget.Snackbar
 import android.support.v4.app.ActivityCompat
+import android.support.v7.widget.GridLayoutManager
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
@@ -20,6 +21,7 @@ import com.simplemobiletools.gallery.asynctasks.GetDirectoriesAsynctask
 import com.simplemobiletools.gallery.dialogs.ChangeSortingDialog
 import com.simplemobiletools.gallery.helpers.*
 import com.simplemobiletools.gallery.models.Directory
+import com.simplemobiletools.gallery.views.MyScalableRecyclerView
 import kotlinx.android.synthetic.main.activity_main.*
 import java.io.File
 import java.util.*
@@ -60,6 +62,7 @@ class MainActivity : SimpleActivity(), DirectoryAdapter.DirOperationsListener {
         mToBeDeleted = ArrayList<String>()
         directories_holder.setOnRefreshListener({ getDirectories() })
         mDirs = ArrayList<Directory>()
+        handleZooming()
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -229,6 +232,25 @@ class MainActivity : SimpleActivity(), DirectoryAdapter.DirOperationsListener {
         getDirectories()
     }
 
+    private fun handleZooming() {
+        val layoutManager = directories_grid.layoutManager as GridLayoutManager
+        MyScalableRecyclerView.mListener = object : MyScalableRecyclerView.ZoomListener {
+            override fun zoomIn() {
+                if (layoutManager.spanCount > 1) {
+                    layoutManager.spanCount--
+                    DirectoryAdapter.actMode?.finish()
+                }
+            }
+
+            override fun zoomOut() {
+                if (layoutManager.spanCount < 10) {
+                    layoutManager.spanCount++
+                    DirectoryAdapter.actMode?.finish()
+                }
+            }
+        }
+    }
+
     private fun isPickImageIntent(intent: Intent) = isPickIntent(intent) && (hasImageContentData(intent) || isImageType(intent))
 
     private fun isPickVideoIntent(intent: Intent) = isPickIntent(intent) && (hasVideoContentData(intent) || isVideoType(intent))
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index e0bb48782..cf32a3fb7 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -11,7 +11,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content">
 
-        <android.support.v7.widget.RecyclerView
+        <com.simplemobiletools.gallery.views.MyScalableRecyclerView
             android:id="@+id/directories_grid"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"