EDU-950 Exception on first open when creating a project

python/educational-core/src/com/jetbrains/edu/coursecreator/actions/CCPluginToggleAction.java

@@ -1,17 +1,18 @@
 package com.jetbrains.edu.coursecreator.actions;
 
+import com.intellij.ide.util.PropertiesComponent;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.ToggleAction;
-import com.jetbrains.edu.learning.StudySettings;
 
 public class CCPluginToggleAction extends ToggleAction {
+  public static final String COURSE_CREATOR_ENABLED = "Edu.CourseCreator.Enabled";
   @Override
   public boolean isSelected(AnActionEvent e) {
-    return StudySettings.getInstance().isCourseCreatorEnabled();
+    return PropertiesComponent.getInstance().getBoolean(COURSE_CREATOR_ENABLED);
   }
 
   @Override
   public void setSelected(AnActionEvent e, boolean state) {
-    StudySettings.getInstance().setCourseCreatorEnabled(state);
+    PropertiesComponent.getInstance().setValue(COURSE_CREATOR_ENABLED, state);
   }
 }

python/educational-core/src/com/jetbrains/edu/coursecreator/settings/CCOptions.java

@@ -1,13 +1,15 @@
 package com.jetbrains.edu.coursecreator.settings;
 
+import com.intellij.ide.util.PropertiesComponent;
 import com.intellij.openapi.options.ConfigurationException;
 import com.intellij.openapi.wm.IdeFocusManager;
-import com.jetbrains.edu.learning.StudySettings;
 import com.jetbrains.edu.learning.settings.StudyOptionsProvider;
 import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
 
+import static com.jetbrains.edu.coursecreator.actions.CCPluginToggleAction.COURSE_CREATOR_ENABLED;
+
 public class CCOptions implements StudyOptionsProvider {
   private JRadioButton myHtmlRadioButton;
   private JRadioButton myMarkdownRadioButton;
@@ -16,7 +18,7 @@ public class CCOptions implements StudyOptionsProvider {
   @Nullable
   @Override
   public JComponent createComponent() {
-    if (!StudySettings.getInstance().isCourseCreatorEnabled()) return null;
+    if (!PropertiesComponent.getInstance().getBoolean(COURSE_CREATOR_ENABLED)) return null;
     if (CCSettings.getInstance().useHtmlAsDefaultTaskFormat()) {
       myHtmlRadioButton.setSelected(true);
       IdeFocusManager.getGlobalInstance().doWhenFocusSettlesDown(

python/educational-core/src/com/jetbrains/edu/learning/StudySettings.java

@@ -17,7 +17,6 @@ public class StudySettings implements PersistentStateComponent<StudySettings> {
   private StepicUser myUser;
   public long LAST_TIME_CHECKED = 0;
   private boolean myEnableTestingFromSamples = false;
-  private boolean isCourseCreatorEnabled = false;
 
   public StudySettings() {
   }
@@ -72,15 +71,6 @@ public class StudySettings implements PersistentStateComponent<StudySettings> {
     ApplicationManager.getApplication().getMessageBus().syncPublisher(SETTINGS_CHANGED).settingsChanged();
   }
 
-  public boolean isCourseCreatorEnabled() {
-    return isCourseCreatorEnabled;
-  }
-
-  public void setCourseCreatorEnabled(boolean courseCreatorEnabled) {
-    isCourseCreatorEnabled = courseCreatorEnabled;
-    ApplicationManager.getApplication().getMessageBus().syncPublisher(SETTINGS_CHANGED).settingsChanged();
-  }
-
   @FunctionalInterface
   public interface StudySettingsListener {
     void settingsChanged();

python/educational-python/Edu-Python/src/com/jetbrains/edu/coursecreator/PyCCCreateCourseAction.java

@@ -1,13 +1,15 @@
 package com.jetbrains.edu.coursecreator;
 
+import com.intellij.ide.util.PropertiesComponent;
 import com.intellij.ide.util.projectWizard.AbstractNewProjectDialog;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.DefaultActionGroup;
 import com.intellij.openapi.actionSystem.Presentation;
-import com.jetbrains.edu.learning.StudySettings;
 import icons.EducationalCoreIcons;
 
+import static com.jetbrains.edu.coursecreator.actions.CCPluginToggleAction.COURSE_CREATOR_ENABLED;
+
 public class PyCCCreateCourseAction extends AnAction {
   public PyCCCreateCourseAction() {
     super("Create New Course", "Create New Course", EducationalCoreIcons.EducationalProjectType);
@@ -27,6 +29,6 @@ public class PyCCCreateCourseAction extends AnAction {
   @Override
   public void update(AnActionEvent e) {
     Presentation presentation = e.getPresentation();
-    presentation.setEnabledAndVisible(StudySettings.getInstance().isCourseCreatorEnabled());
+    presentation.setEnabledAndVisible(PropertiesComponent.getInstance().getBoolean(COURSE_CREATOR_ENABLED));
   }
 }

python/educational-python/src/com/jetbrains/python/edu/CustomizeEduStepPanel.java

@@ -1,8 +1,8 @@
 package com.jetbrains.python.edu;
 
 import com.intellij.ide.customize.AbstractCustomizeWizardStep;
+import com.intellij.ide.util.PropertiesComponent;
 import com.intellij.openapi.ui.VerticalFlowLayout;
-import com.jetbrains.edu.learning.StudySettings;
 import icons.PythonEducationalIcons;
 
 import javax.swing.*;
@@ -11,6 +11,7 @@ import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 
 public class CustomizeEduStepPanel extends AbstractCustomizeWizardStep {
+  static final String COURSE_CREATOR_ENABLED = "Edu.CourseCreator.Enabled";
 
   public CustomizeEduStepPanel() {
     int iconSize = 180;
@@ -20,7 +21,7 @@ public class CustomizeEduStepPanel extends AbstractCustomizeWizardStep {
     student.addActionListener(new ActionListener() {
       @Override
       public void actionPerformed(ActionEvent e) {
-        StudySettings.getInstance().setCourseCreatorEnabled(false);
+        PropertiesComponent.getInstance().setValue(COURSE_CREATOR_ENABLED, false);
       }
     });
     studentPanel.add(student);
@@ -35,7 +36,7 @@ public class CustomizeEduStepPanel extends AbstractCustomizeWizardStep {
     teacher.addActionListener(new ActionListener() {
       @Override
       public void actionPerformed(ActionEvent e) {
-        StudySettings.getInstance().setCourseCreatorEnabled(true);
+        PropertiesComponent.getInstance().setValue(COURSE_CREATOR_ENABLED, true);
       }
     });
     add(teacherPanel);