1.5 Support find next when not comment | 支持没有注释时查找下一个对象

src/main/java/io/github/linwancen/plugin/show/LineEnd.java

@@ -0,0 +1,66 @@
+package io.github.linwancen.plugin.show;
+
+import com.intellij.lang.java.JavaLanguage;
+import com.intellij.openapi.editor.Document;
+import com.intellij.openapi.editor.EditorLinePainter;
+import com.intellij.openapi.editor.LineExtensionInfo;
+import com.intellij.openapi.project.DumbService;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.FileViewProvider;
+import com.intellij.psi.PsiManager;
+import com.intellij.psi.javadoc.PsiDocComment;
+import io.github.linwancen.plugin.show.doc.DocTextUtils;
+import io.github.linwancen.plugin.show.line.LineDocLeftToRightUtils;
+import io.github.linwancen.plugin.show.line.LineDocRightToLeftUtils;
+import io.github.linwancen.plugin.show.settings.AppSettingsState;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collection;
+import java.util.Collections;
+
+public class LineEnd extends EditorLinePainter {
+
+    @Override
+    public @Nullable Collection<LineExtensionInfo> getLineExtensions(@NotNull Project project,
+                                                                     @NotNull VirtualFile file, int lineNumber) {
+        AppSettingsState settings = AppSettingsState.getInstance();
+        if (!settings.showLineEndComment) {
+            return null;
+        }
+        if (DumbService.isDumb(project)) {
+            return null;
+        }
+        FileViewProvider viewProvider = PsiManager.getInstance(project).findViewProvider(file);
+        PsiDocComment docComment = docOwnerFrom(viewProvider, lineNumber);
+        String comment = DocTextUtils.text(docComment);
+        if (comment == null) {
+            return null;
+        }
+        LineExtensionInfo info = new LineExtensionInfo(" //" + comment, settings.lineEndTextAttr);
+        return Collections.singletonList(info);
+    }
+
+    private static @Nullable PsiDocComment docOwnerFrom(FileViewProvider viewProvider, int lineNumber) {
+        if (viewProvider == null || !viewProvider.hasLanguage(JavaLanguage.INSTANCE)) {
+            return null;
+        }
+        Document document = viewProvider.getDocument();
+        if (document == null) {
+            return null;
+        }
+        if (document.getLineCount() < lineNumber) {
+            return null;
+        }
+        int startOffset = document.getLineStartOffset(lineNumber);
+        int endOffset = document.getLineEndOffset(lineNumber);
+        if (startOffset == endOffset) {
+            return null;
+        }
+        if (AppSettingsState.getInstance().findElementRightToLeft) {
+            return LineDocRightToLeftUtils.rightDoc(viewProvider, startOffset, endOffset);
+        }
+        return LineDocLeftToRightUtils.leftDoc(viewProvider, document, startOffset, endOffset);
+    }
+}