CATROID-1075 ReadVaribleFromDeviceAction Translated to Kotlin

catroid/src/androidTest/java/org/catrobat/catroid/uiespresso/stage/StageResourceFailedTest.java

@@ -1,6 +1,6 @@
 /*
  * Catroid: An on-device visual programming system for Android devices
- * Copyright (C) 2010-2022 The Catrobat Team
+ * Copyright (C) 2010-2024 The Catrobat Team
  * (<http://developer.catrobat.org/credits>)
  *
  * This program is free software: you can redistribute it and/or modify

catroid/src/main/java/org/catrobat/catroid/content/ActionFactory.java

@@ -1,6 +1,6 @@
 /*
  * Catroid: An on-device visual programming system for Android devices
- * Copyright (C) 2010-2022 The Catrobat Team
+ * Copyright (C) 2010-2024 The Catrobat Team
  * (<http://developer.catrobat.org/credits>)
  *
  * This program is free software: you can redistribute it and/or modify

catroid/src/main/java/org/catrobat/catroid/content/actions/ReadVariableFromDeviceAction.kt

@@ -0,0 +1,73 @@
+/*
+ * Catroid: An on-device visual programming system for Android devices
+ * Copyright (C) 2010-2024 The Catrobat Team
+ * (<http://developer.catrobat.org/credits>)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * An additional term exception under section 7 of the GNU Affero
+ * General Public License, version 3, is available at
+ * http://developer.catrobat.org/license_additional_term
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.catrobat.catroid.content.actions
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.MainScope
+import kotlinx.coroutines.launch
+import org.catrobat.catroid.ProjectManager
+import org.catrobat.catroid.formulaeditor.UserVariable
+import org.catrobat.catroid.io.DeviceVariableAccessor
+
+class ReadVariableFromDeviceAction : AsynchronousAction(), CoroutineScope by MainScope() {
+    private var userVariable : UserVariable? = null
+    private var readActionFinished = false
+
+    override fun act(delta: Float): Boolean {
+        if (userVariable == null) {
+            return true
+        }
+        return super.act(delta)
+    }
+
+    override fun initialize() {
+        readActionFinished = false
+        launch {
+            ReadTask().doInBackground(arrayOf(userVariable))
+            readActionFinished = true
+        }
+    }
+
+    override fun isFinished(): Boolean {
+        return readActionFinished
+    }
+
+    fun setUserVariable(userVariable: UserVariable?) {
+        this.userVariable = userVariable
+    }
+
+    private inner class ReadTask {
+        fun doInBackground(userVariables: Array<UserVariable?>) {
+            val projectDirectory = ProjectManager.getInstance().currentProject.directory
+            val accessor = DeviceVariableAccessor(projectDirectory)
+
+            for (variable in userVariables) {
+                accessor.readUserData(variable)
+            }
+        }
+    }
+
+    fun onPostExecute() {
+        readActionFinished = true
+    }
+}