vcs: add API to customize presentation of annotation column

GitOrigin-RevId: f59dc4d53c6cd7ba3f6cee423c7ad4b5c5fe9e07

platform/vcs-api/src/com/intellij/openapi/vcs/annotate/LineAnnotationAspect.java

@@ -15,9 +15,13 @@
  */
 package com.intellij.openapi.vcs.annotate;
 
+import com.intellij.openapi.editor.colors.ColorKey;
+import com.intellij.openapi.editor.colors.EditorFontType;
 import com.intellij.openapi.vcs.VcsBundle;
 import org.jetbrains.annotations.Nullable;
 
+import java.awt.*;
+
 /**
  * Represents one part of a line annotation which is shown in the editor when the "Annotate"
  * action is invoked. Classes implementing this interface can also implement
@@ -62,4 +66,28 @@ public interface LineAnnotationAspect {
    * @return {@code true} if this aspect will be shown on Annotate action
    */
   boolean isShowByDefault();
+
+  /**
+   * Used to override default text style
+   */
+  @Nullable
+  default EditorFontType getStyle(int line) {
+    return null;
+  }
+
+  /**
+   * Used to override default text color
+   */
+  @Nullable
+  default ColorKey getColor(int line) {
+    return null;
+  }
+
+  /**
+   * Used to override default background color
+   */
+  @Nullable
+  default Color getBgColor(int line) {
+    return null;
+  }
 }

platform/vcs-impl/src/com/intellij/openapi/vcs/actions/AspectAnnotationFieldGutter.java

@@ -17,6 +17,8 @@ package com.intellij.openapi.vcs.actions;
 
 import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.editor.EditorGutterAction;
+import com.intellij.openapi.editor.colors.ColorKey;
+import com.intellij.openapi.editor.colors.EditorFontType;
 import com.intellij.openapi.util.Couple;
 import com.intellij.openapi.vcs.annotate.FileAnnotation;
 import com.intellij.openapi.vcs.annotate.LineAnnotationAspect;
@@ -62,9 +64,8 @@ public class AspectAnnotationFieldGutter extends AnnotationFieldGutter {
   @Nullable
   @Override
   public String getToolTip(final int line, final Editor editor) {
-    if (myAspect.getTooltipText(line) != null) {
-      return myAspect.getTooltipText(line);
-    }
+    String text = myAspect.getTooltipText(line);
+    if (text != null) return text;
     return isAvailable() ? myAnnotation.getHtmlToolTip(line) : null;
   }
 
@@ -83,6 +84,29 @@ public class AspectAnnotationFieldGutter extends AnnotationFieldGutter {
     return super.getCursor(line);
   }
 
+  @Override
+  public EditorFontType getStyle(int line, Editor editor) {
+    EditorFontType style = myAspect.getStyle(line);
+    if (style != null) return style;
+    return super.getStyle(line, editor);
+  }
+
+  @Nullable
+  @Override
+  public ColorKey getColor(int line, Editor editor) {
+    ColorKey color = myAspect.getColor(line);
+    if (color != null) return color;
+    return super.getColor(line, editor);
+  }
+
+  @Nullable
+  @Override
+  public Color getBgColor(int line, Editor editor) {
+    Color color = myAspect.getBgColor(line);
+    if (color != null) return color;
+    return super.getBgColor(line, editor);
+  }
+
   @Override
   public boolean isShowByDefault() {
     return myAspect.isShowByDefault();