creating a dialog with resize and saving

app/src/main/kotlin/com/simplemobiletools/gallery/pro/activities/ViewPagerActivity.kt

@@ -44,6 +44,7 @@ import com.simplemobiletools.gallery.pro.R
 import com.simplemobiletools.gallery.pro.adapters.MyPagerAdapter
 import com.simplemobiletools.gallery.pro.asynctasks.GetMediaAsynctask
 import com.simplemobiletools.gallery.pro.dialogs.DeleteWithRememberDialog
+import com.simplemobiletools.gallery.pro.dialogs.ResizeWithPathDialog
 import com.simplemobiletools.gallery.pro.dialogs.SaveAsDialog
 import com.simplemobiletools.gallery.pro.dialogs.SlideshowDialog
 import com.simplemobiletools.gallery.pro.extensions.*
@@ -918,8 +919,12 @@ class ViewPagerActivity : SimpleActivity(), ViewPager.OnPageChangeListener, View
     }
 
     private fun resizeImage() {
+        val currentPath = getCurrentPath()
+        val originalSize = currentPath.getImageResolution() ?: return
+        ResizeWithPathDialog(this, originalSize, currentPath) {
 
         }
+    }
 
     private fun checkDeleteConfirmation() {
         if (getCurrentMedium() == null) {

app/src/main/kotlin/com/simplemobiletools/gallery/pro/dialogs/ResizeWithPathDialog.kt

@@ -0,0 +1,98 @@
+package com.simplemobiletools.gallery.pro.dialogs
+
+import android.graphics.Point
+import android.widget.EditText
+import androidx.appcompat.app.AlertDialog
+import com.simplemobiletools.commons.activities.BaseSimpleActivity
+import com.simplemobiletools.commons.dialogs.FilePickerDialog
+import com.simplemobiletools.commons.extensions.*
+import com.simplemobiletools.gallery.pro.R
+import com.simplemobiletools.gallery.pro.extensions.config
+import kotlinx.android.synthetic.main.dialog_resize_image.view.image_height
+import kotlinx.android.synthetic.main.dialog_resize_image.view.image_width
+import kotlinx.android.synthetic.main.dialog_resize_image_with_path.view.*
+
+class ResizeWithPathDialog(val activity: BaseSimpleActivity, val size: Point, val path: String, val callback: (newSize: Point) -> Unit) {
+    init {
+        var realPath = path.getParentPath()
+        val view = activity.layoutInflater.inflate(R.layout.dialog_resize_image_with_path, null).apply {
+            image_path.text = "${activity.humanizePath(realPath).trimEnd('/')}/"
+
+            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)
+                image_extension.setText(extension)
+            }
+
+            image_name.setText(name)
+            image_path.setOnClickListener {
+                FilePickerDialog(activity, realPath, false, activity.config.shouldShowHidden, true, true) {
+                    image_path.text = activity.humanizePath(it)
+                    realPath = it
+                }
+            }
+        }
+
+        val widthView = view.image_width
+        val heightView = view.image_height
+
+        widthView.setText(size.x.toString())
+        heightView.setText(size.y.toString())
+
+        val ratio = size.x / size.y.toFloat()
+
+        widthView.onTextChangeListener {
+            if (widthView.hasFocus()) {
+                var width = getViewValue(widthView)
+                if (width > size.x) {
+                    widthView.setText(size.x.toString())
+                    width = size.x
+                }
+
+                heightView.setText((width / ratio).toInt().toString())
+            }
+        }
+
+        heightView.onTextChangeListener {
+            if (heightView.hasFocus()) {
+                var height = getViewValue(heightView)
+                if (height > size.y) {
+                    heightView.setText(size.y.toString())
+                    height = size.y
+                }
+
+                widthView.setText((height * ratio).toInt().toString())
+            }
+        }
+
+        AlertDialog.Builder(activity)
+                .setPositiveButton(R.string.ok, null)
+                .setNegativeButton(R.string.cancel, null)
+                .create().apply {
+                    activity.setupDialogStuff(view, this) {
+                        showKeyboard(view.image_width)
+                        getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener {
+                            val width = getViewValue(widthView)
+                            val height = getViewValue(heightView)
+                            if (width <= 0 || height <= 0) {
+                                activity.toast(R.string.invalid_values)
+                                return@setOnClickListener
+                            }
+
+                            val newSize = Point(getViewValue(widthView), getViewValue(heightView))
+                            callback(newSize)
+                            dismiss()
+                        }
+                    }
+                }
+    }
+
+    private fun getViewValue(view: EditText): Int {
+        val textValue = view.value
+        return if (textValue.isEmpty()) 0 else textValue.toInt()
+    }
+}

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

@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/resize_image_with_path_holder"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:paddingLeft="@dimen/activity_margin"
+    android:paddingTop="@dimen/activity_margin"
+    android:paddingRight="@dimen/activity_margin">
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/image_width_label"
+        android:layout_width="100dp"
+        android:layout_height="wrap_content"
+        android:text="@string/width"
+        android:textSize="@dimen/normal_text_size" />
+
+    <com.simplemobiletools.commons.views.MyEditText
+        android:id="@+id/image_width"
+        android:layout_width="100dp"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/image_width_label"
+        android:inputType="number"
+        android:maxLength="6"
+        android:maxLines="1"
+        android:textCursorDrawable="@null"
+        android:textSize="@dimen/normal_text_size" />
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/image_height_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="50dp"
+        android:layout_toEndOf="@+id/image_width_label"
+        android:text="@string/height"
+        android:textSize="@dimen/normal_text_size" />
+
+    <com.simplemobiletools.commons.views.MyEditText
+        android:id="@+id/image_height"
+        android:layout_width="100dp"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/image_width_label"
+        android:layout_alignStart="@+id/image_height_label"
+        android:inputType="number"
+        android:maxLength="6"
+        android:maxLines="1"
+        android:textCursorDrawable="@null"
+        android:textSize="@dimen/normal_text_size" />
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/image_path_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/image_height"
+        android:layout_marginTop="@dimen/activity_margin"
+        android:text="@string/path"
+        android:textSize="@dimen/normal_text_size" />
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/image_path"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/image_path_label"
+        android:layout_marginStart="@dimen/activity_margin"
+        android:layout_marginBottom="@dimen/activity_margin"
+        android:paddingTop="@dimen/small_margin"
+        android:paddingEnd="@dimen/small_margin"
+        android:textSize="@dimen/normal_text_size" />
+
+    <com.simplemobiletools.commons.views.MyEditText
+        android:id="@+id/image_name"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/image_path"
+        android:layout_marginBottom="@dimen/activity_margin"
+        android:singleLine="true"
+        android:textCursorDrawable="@null"
+        android:textSize="@dimen/normal_text_size" />
+
+    <com.simplemobiletools.commons.views.MyTextView
+        android:id="@+id/image_extension_label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/image_name"
+        android:text="@string/extension"
+        android:textSize="@dimen/normal_text_size" />
+
+    <com.simplemobiletools.commons.views.MyEditText
+        android:id="@+id/image_extension"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/image_extension_label"
+        android:layout_marginBottom="@dimen/activity_margin"
+        android:singleLine="true"
+        android:textCursorDrawable="@null"
+        android:textSize="@dimen/normal_text_size" />
+
+</RelativeLayout>