move CopyDialog in a separate file

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

@@ -0,0 +1,87 @@
+package com.simplemobiletools.filemanager.dialogs
+
+import android.app.Activity
+import android.support.v4.util.Pair
+import android.support.v7.app.AlertDialog
+import android.view.LayoutInflater
+import android.view.WindowManager
+import com.simplemobiletools.filemanager.Config
+import com.simplemobiletools.filemanager.R
+import com.simplemobiletools.filemanager.Utils
+import com.simplemobiletools.filemanager.asynctasks.CopyTask
+import com.simplemobiletools.filemanager.extensions.rescanItem
+import com.simplemobiletools.filemanager.extensions.toast
+import com.simplemobiletools.filemanager.extensions.value
+import com.simplemobiletools.filepicker.dialogs.FilePickerDialog
+import kotlinx.android.synthetic.main.copy_item.view.*
+import java.io.File
+
+class CopyDialog(val activity: Activity, val files: List<File>, val path: String, val copyListener: CopyTask.CopyListener, val listener: OnCopyListener) {
+    val mContext = activity
+    init {
+        val view = LayoutInflater.from(mContext).inflate(R.layout.copy_item, null)
+        view.source.text = "$path/"
+
+        view.destination.setOnClickListener {
+            val config = Config.newInstance(mContext)
+            FilePickerDialog(activity, path, false, config.showHidden, true, object: FilePickerDialog.OnFilePickerListener {
+                override fun onFail(error: FilePickerDialog.FilePickerResult) {
+                }
+
+                override fun onSuccess(pickedPath: String) {
+                    view.destination.text = pickedPath
+                }
+            })
+        }
+
+        AlertDialog.Builder(mContext)
+                .setTitle(mContext.resources.getString(R.string.create_new))
+                .setView(view)
+                .setPositiveButton(R.string.ok, null)
+                .setNegativeButton(R.string.cancel, { dialog, which -> dialogDismissed() })
+                .setOnCancelListener { dialogDismissed() }
+                .create().apply {
+            window!!.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE)
+            show()
+            getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener({
+                val destinationPath = view.destination.value
+                if (destinationPath == context.resources.getString(R.string.select_destination)) {
+                    context.toast(R.string.please_select_destination)
+                    return@setOnClickListener
+                }
+
+                val destinationDir = File(destinationPath)
+                if (!destinationDir.exists()) {
+                    context.toast(R.string.invalid_destination)
+                    return@setOnClickListener
+                }
+
+                if (view.dialog_radio_group.checkedRadioButtonId == R.id.dialog_radio_copy) {
+                    Utils.showToast(context, R.string.copying)
+                    val pair = Pair<List<File>, File>(files, destinationDir)
+                    CopyTask(copyListener).execute(pair)
+                    dismiss()
+                } else {
+                    for (f in files) {
+                        val destination = File(destinationDir, f.name)
+                        f.renameTo(destination)
+                        context.rescanItem(destination)
+                    }
+
+                    dismiss()
+                    listener.onSuccess()
+                }
+            })
+        }
+    }
+
+    private fun dialogDismissed() {
+        listener.onCancel()
+    }
+
+    interface OnCopyListener {
+        fun onSuccess()
+
+        fun onCancel()
+    }
+}

app/src/main/kotlin/com/simplemobiletools/filemanager/extensions/textView.kt

@@ -0,0 +1,5 @@
+package com.simplemobiletools.filemanager.extensions
+
+import android.widget.TextView
+
+val TextView.value: String get() = this.text.toString().trim()