1 files changed, 109 insertions, 0 deletions
diff --git a/python/edu/course-creator/src/org/jetbrains/plugins/coursecreator/RunTestsLineMarker.java b/python/edu/course-creator/src/org/jetbrains/plugins/coursecreator/RunTestsLineMarker.java
new file mode 100644
index 000000000000..93e0a706f367
--- /dev/null
+++ b/python/edu/course-creator/src/org/jetbrains/plugins/coursecreator/RunTestsLineMarker.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * 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 org.jetbrains.plugins.coursecreator;
+
+import com.intellij.codeHighlighting.Pass;
+import com.intellij.codeInsight.daemon.GutterIconNavigationHandler;
+import com.intellij.codeInsight.daemon.LineMarkerInfo;
+import com.intellij.codeInsight.daemon.LineMarkerProvider;
+import com.intellij.execution.actions.ConfigurationContext;
+import com.intellij.icons.AllIcons;
+import com.intellij.ide.DataManager;
+import com.intellij.openapi.editor.Editor;
+import com.intellij.openapi.editor.markup.GutterIconRenderer;
+import com.intellij.psi.PsiComment;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiFile;
+import com.intellij.psi.PsiWhiteSpace;
+import com.intellij.psi.util.PsiUtilBase;
+import com.intellij.util.Function;
+import com.jetbrains.python.psi.PyFile;
+import com.jetbrains.python.psi.PyImportStatement;
+import com.jetbrains.python.psi.PyStatement;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.awt.event.MouseEvent;
+import java.util.Collection;
+import java.util.List;
+
+public class RunTestsLineMarker implements LineMarkerProvider {
+  @Nullable
+  @Override
+  public LineMarkerInfo getLineMarkerInfo(@NotNull PsiElement element) {
+    return null;
+  }
+
+  @Override
+  public void collectSlowLineMarkers(@NotNull List<PsiElement> elements, @NotNull Collection<LineMarkerInfo> result) {
+    for (PsiElement element : elements) {
+      if (isFirstCodeLine(element)) {
+        PsiFile psiFile = element.getContainingFile();
+        if (psiFile == null || !psiFile.getName().contains(".answer")) {
+          continue;
+        }
+        result.add(new LineMarkerInfo<PsiElement>(
+          element, element.getTextRange(), AllIcons.Actions.Lightning, Pass.UPDATE_OVERRIDEN_MARKERS,
+          new Function<PsiElement, String>() {
+            @Override
+            public String fun(PsiElement e) {
+              return "Run tests from file '" + e.getContainingFile().getName() + "'";
+            }
+          },
+          new GutterIconNavigationHandler<PsiElement>() {
+            @Override
+            public void navigate(MouseEvent e, PsiElement elt) {
+              executeCurrentScript(elt);
+            }
+          },
+          GutterIconRenderer.Alignment.RIGHT));
+      }
+    }
+  }
+
+  private static void executeCurrentScript(PsiElement elt) {
+    Editor editor = PsiUtilBase.findEditor(elt);
+    assert editor != null;
+
+    final ConfigurationContext context =
+      ConfigurationContext.getFromContext(DataManager.getInstance().getDataContext(editor.getComponent()));
+      CCRunTests.run(context);
+  }
+
+  private static boolean isFirstCodeLine(PsiElement element) {
+    return element instanceof PyStatement &&
+           element.getParent() instanceof PyFile &&
+           !isNothing(element) &&
+           nothingBefore(element);
+  }
+
+  private static boolean nothingBefore(PsiElement element) {
+    element = element.getPrevSibling();
+    while (element != null) {
+      if (!isNothing(element)) {
+        return false;
+      }
+      element = element.getPrevSibling();
+    }
+
+    return true;
+  }
+
+  private static boolean isNothing(PsiElement element) {
+    return (element instanceof PsiComment) || (element instanceof PyImportStatement) || (element instanceof PsiWhiteSpace);
+  }
+}
+