Fully migrated to Kotlin

app/src/main/java/ch/dissem/apps/abit/InputWifFragment.kt

@@ -0,0 +1,102 @@
+/*
+ * Copyright 2016 Christian Basler
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ch.dissem.apps.abit
+
+import android.app.Fragment
+import android.os.Bundle
+import android.view.*
+import android.widget.Toast
+import com.github.angads25.filepicker.model.DialogConfigs
+import com.github.angads25.filepicker.model.DialogProperties
+import com.github.angads25.filepicker.view.FilePickerDialog
+import kotlinx.android.synthetic.main.fragment_import_input.*
+import java.io.ByteArrayOutputStream
+import java.io.File
+import java.io.FileInputStream
+import java.io.IOException
+
+/**
+ * @author Christian Basler
+ */
+class InputWifFragment : Fragment() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setHasOptionsMenu(true)
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle): View =
+            inflater.inflate(R.layout.fragment_import_input, container, false)
+
+    override fun onViewCreated(view: View?, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        next.setOnClickListener {
+            val bundle = Bundle()
+            bundle.putString(ImportIdentitiesFragment.WIF_DATA, wif_input.text.toString())
+
+            val fragment = ImportIdentitiesFragment().apply {
+                arguments = bundle
+            }
+
+            fragmentManager.beginTransaction()
+                    .replace(R.id.content, fragment)
+                    .commit()
+        }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.import_input_data, menu)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        val properties = DialogProperties()
+        properties.selection_mode = DialogConfigs.SINGLE_MODE
+        properties.selection_type = DialogConfigs.FILE_SELECT
+        properties.root = File(DialogConfigs.DEFAULT_DIR)
+        properties.error_dir = File(DialogConfigs.DEFAULT_DIR)
+        properties.extensions = null
+        val dialog = FilePickerDialog(activity, properties)
+        dialog.setTitle(getString(R.string.select_file_title))
+        dialog.setDialogSelectionListener { files ->
+            if (files.isNotEmpty()) {
+                try {
+                    FileInputStream(files[0]).use { inputStream ->
+                        val data = ByteArrayOutputStream()
+                        val buffer = ByteArray(1024)
+
+                        var length: Int = inputStream.read(buffer)
+
+                        while (length != -1) {
+                            data.write(buffer, 0, length)
+                            length = inputStream.read(buffer)
+                        }
+                        wif_input.setText(data.toByteArray().toString())
+                    }
+                } catch (e: IOException) {
+                    Toast.makeText(
+                            activity,
+                            R.string.error_loading_data,
+                            Toast.LENGTH_SHORT
+                    ).show()
+                }
+
+            }
+        }
+        dialog.show()
+        return true
+    }
+}