1 files changed, 89 insertions, 0 deletions
diff --git a/python/edu/course-creator/src/org/jetbrains/plugins/coursecreator/actions/CreateLesson.java b/python/edu/course-creator/src/org/jetbrains/plugins/coursecreator/actions/CreateLesson.java
new file mode 100644
index 000000000000..15d9f8367db9
--- /dev/null
+++ b/python/edu/course-creator/src/org/jetbrains/plugins/coursecreator/actions/CreateLesson.java
@@ -0,0 +1,89 @@
+package org.jetbrains.plugins.coursecreator.actions;
+
+import com.intellij.ide.IdeView;
+import com.intellij.ide.util.DirectoryChooserUtil;
+import com.intellij.ide.util.DirectoryUtil;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.actionSystem.CommonDataKeys;
+import com.intellij.openapi.actionSystem.LangDataKeys;
+import com.intellij.openapi.actionSystem.Presentation;
+import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.project.DumbAwareAction;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.ui.Messages;
+import com.intellij.psi.PsiDirectory;
+import com.intellij.util.PlatformIcons;
+import org.jetbrains.plugins.coursecreator.CCProjectService;
+import org.jetbrains.plugins.coursecreator.format.Course;
+import org.jetbrains.plugins.coursecreator.format.Lesson;
+
+public class CreateLesson extends DumbAwareAction {
+  public CreateLesson() {
+    super("Lesson", "Create new Lesson", PlatformIcons.DIRECTORY_CLOSED_ICON);
+  }
+
+  @Override
+  public void actionPerformed(AnActionEvent e) {
+    final IdeView view = e.getData(LangDataKeys.IDE_VIEW);
+    final Project project = e.getData(CommonDataKeys.PROJECT);
+
+    if (view == null || project == null) {
+      return;
+    }
+    final PsiDirectory directory = DirectoryChooserUtil.getOrChooseDirectory(view);
+    if (directory == null) return;
+
+    final CCProjectService service = CCProjectService.getInstance(project);
+    final Course course = service.getCourse();
+    final int size = course.getLessons().size();
+    final String lessonName = Messages.showInputDialog("Name:", "Lesson Name", null, "lesson" + (size+1), null);
+    if (lessonName == null) return;
+
+    ApplicationManager.getApplication().runWriteAction(new Runnable() {
+      @Override
+      public void run() {
+        final PsiDirectory lessonDirectory = DirectoryUtil.createSubdirectories("lesson" + (size+1), directory, "\\/");
+        if (lessonDirectory != null) {
+          view.selectElement(lessonDirectory);
+          final Lesson lesson = new Lesson(lessonName);
+          lesson.setIndex(size + 1);
+          course.addLesson(lesson, lessonDirectory);
+        }
+      }
+    });
+  }
+
+  @Override
+  public void update(AnActionEvent event) {
+    final Presentation presentation = event.getPresentation();
+    final Project project = event.getData(CommonDataKeys.PROJECT);
+    if (project == null) {
+      presentation.setVisible(false);
+      presentation.setEnabled(false);
+      return;
+    }
+
+    final IdeView view = event.getData(LangDataKeys.IDE_VIEW);
+    if (view == null) {
+      presentation.setVisible(false);
+      presentation.setEnabled(false);
+      return;
+    }
+
+    final PsiDirectory[] directories = view.getDirectories();
+    if (directories.length == 0) {
+      presentation.setVisible(false);
+      presentation.setEnabled(false);
+      return;
+    }
+    final PsiDirectory directory = DirectoryChooserUtil.getOrChooseDirectory(view);
+    if (directory != null && !project.getBaseDir().equals(directory.getVirtualFile())) {
+      presentation.setVisible(false);
+      presentation.setEnabled(false);
+      return;
+    }
+    presentation.setVisible(true);
+    presentation.setEnabled(true);
+
+  }
+}
+\ No newline at end of file