Add view and edit links to static pages

Set cwd form generate*Documentation tasks to root project path

Author: romanowski

project/Build.scala

@@ -1458,7 +1458,7 @@ object Build {
           val projectVersion = version.value
           val sourcesAndRevision = s"-s github://lampepfl/dotty --revision master --projectVersion $projectVersion"
           run.in(Compile).toTask(
-            s""" -d output/$outDir -t $targets -n "$name" $sourcesAndRevision $params"""
+            s""" -d scala3doc/output/$outDir -t $targets -n "$name" $sourcesAndRevision $params"""
           )
       }
 
@@ -1492,11 +1492,12 @@ object Build {
           Compile / mainClass := Some("dotty.dokka.Main"),
           // There is a bug in dokka that prevents parallel tests withing the same jvm
           fork.in(test) := true,
+          baseDirectory.in(run) := baseDirectory.in(ThisBuild).value,
           generateSelfDocumentation := Def.taskDyn {
             generateDocumentation(
               classDirectory.in(Compile).value.getAbsolutePath,
             "scala3doc", "self",
-            "-p documentation --projectLogo documentation/logo.svg",
+            "-p scala3doc/documentation --projectLogo scala3doc/documentation/logo.svg",
             )
           }.value,
           generateScala3Documentation := Def.taskDyn {
@@ -1511,7 +1512,7 @@ object Build {
             val roots = joinProducts(dottyJars)
 
             if (dottyJars.isEmpty) Def.task { streams.value.log.error("Dotty lib wasn't found") }
-            else generateDocumentation(roots, "Scala 3", "scala3", "-p scala3-docs --projectLogo scala3-docs/logo.svg")
+            else generateDocumentation(roots, "Scala 3", "scala3", "-p scala3doc/scala3-docs --projectLogo scala3doc/scala3-docs/logo.svg")
           }.value,
           generateTestcasesDocumentation := Def.taskDyn {
             generateDocumentation(Build.testcasesOutputDir.in(Test).value, "Scala3doc testcases", "testcases")

scala3doc/scala3-docs/_layouts/doc-page.html

@@ -5,7 +5,7 @@
     <header>
         <h1>{{ page.title }}</h1>
         <div class="byline">
-            <a href="{{ site.projectUrl }}/edit/master/{{ site.root }}/{{ page.url }}">
+            <a href="{{ urls.editSource }}">
                 <i class="far fa-edit"></i>
                 Edit this page on GitHub
             </a>

scala3doc/src/dotty/dokka/DottyDokkaConfig.scala

@@ -17,11 +17,16 @@ case class DottyDokkaConfig(docConfiguration: DocConfiguration) extends DokkaCon
   override def getModuleName(): String = "ModuleName"
   override def getModuleVersion(): String = ""
 
-  lazy val staticSiteContext = docConfiguration.args.docsRoot.map(path =>
-    StaticSiteContext(File(path).getAbsoluteFile(), Set(mkSourceSet.asInstanceOf[SourceSetWrapper]), docConfiguration.args))
-
   lazy val sourceLinks: SourceLinks = SourceLinks.load(docConfiguration)
 
+  lazy val staticSiteContext = docConfiguration.args.docsRoot.map(path => StaticSiteContext(
+      File(path).getAbsoluteFile(),
+      Set(mkSourceSet.asInstanceOf[SourceSetWrapper]),
+      docConfiguration.args,
+      sourceLinks
+    ))
+
+
   override def getPluginsConfiguration: JList[DokkaConfiguration.PluginConfiguration] = JList()
 
   lazy val mkSourceSet: DokkaSourceSet =

scala3doc/src/dotty/dokka/site/LoadedTemplate.scala

@@ -3,6 +3,7 @@ package site
 
 import java.io.File
 import java.nio.file.Files
+import java.nio.file.Paths
 
 import org.jetbrains.dokka.base.renderers.html.{NavigationNode, NavigationPage}
 import org.jetbrains.dokka.model.Documentable
@@ -34,7 +35,12 @@ case class LoadedTemplate(templateFile: TemplateFile, children: List[LoadedTempl
   def resolveToHtml(ctx: StaticSiteContext): ResolvedPage =
     val posts = children.map(_.lazyTemplateProperties(ctx))
     val site = templateFile.settings.getOrElse("site", Map.empty).asInstanceOf[Map[String, Object]]
+    val sourceLinks = if !file.exists() then Nil else
+      val actualPath = Paths.get("").toAbsolutePath.relativize(file.toPath.toRealPath())
+      ctx.sourceLinks.pathTo(actualPath).map("viewSource" -> _ ) ++
+        ctx.sourceLinks.pathTo(actualPath, operation = "edit").map("editSource" -> _ )
 
-    val updatedSettings = templateFile.settings + ("site" -> (site + ("posts" -> posts))) ++ ctx.projectWideProperties
+    val updatedSettings = templateFile.settings ++ ctx.projectWideProperties +
+      ("site" -> (site + ("posts" -> posts))) + ("urls" -> sourceLinks.toMap)
 
     templateFile.resolveInner(RenderingContext(updatedSettings, ctx.layouts))

scala3doc/src/dotty/dokka/site/StaticSiteContext.scala

@@ -20,7 +20,7 @@ import util.Try
 
 import scala.collection.JavaConverters._
 
-class StaticSiteContext(val root: File, sourceSets: Set[SourceSetWrapper], args: Args):
+class StaticSiteContext(val root: File, sourceSets: Set[SourceSetWrapper], args: Args, val sourceLinks: SourceLinks):
 
   var memberLinkResolver: String => Option[DRI] = _ => None