Add Makefile location next to its name in files tree

makefile/build.gradle.kts

@@ -0,0 +1,41 @@
+fun properties(key: String) = project.findProperty(key).toString()
+
+plugins {
+    // Java support
+    id("java")
+    // Kotlin support
+    id("org.jetbrains.kotlin.jvm") version "1.6.20"
+    // gradle-intellij-plugin - read more: https://github.com/JetBrains/gradle-intellij-plugin
+    id("org.jetbrains.intellij") version "1.5.2"
+    // gradle-grammar-kit-plugin - read more: https://github.com/JetBrains/gradle-grammar-kit-plugin
+    id("org.jetbrains.grammarkit") version "2021.2.2"
+}
+
+group = properties("pluginGroup")
+version = properties("pluginVersion")
+
+sourceSets["main"].java.srcDirs("src", "gen")
+sourceSets["main"].resources.srcDir("resources")
+sourceSets["test"].java.srcDirs("test")
+
+// Configure project's dependencies
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation(kotlin("stdlib-jdk8"))
+}
+
+// Configure gradle-intellij-plugin plugin.
+// Read more: https://github.com/JetBrains/gradle-intellij-plugin
+intellij {
+    pluginName.set(properties("pluginName"))
+    version.set(properties("platformVersion"))
+    type.set(properties("platformType"))
+    downloadSources.set(properties("platformDownloadSources").toBoolean())
+    updateSinceUntilBuild.set(true)
+
+    // Plugin Dependencies. Uses `platformPlugins` property from the gradle.properties file.
+    plugins.set(properties("platformPlugins").split(',').map(String::trim).filter(String::isNotEmpty))
+}

makefile/gradle.properties

@@ -0,0 +1,22 @@
+# IntelliJ Platform Artifacts Repositories
+# -> https://www.jetbrains.org/intellij/sdk/docs/reference_guide/intellij_artifacts.html
+
+pluginGroup = org.jetbrains
+pluginName = Makefile
+pluginVersion = 1.0-SNAPSHOT
+pluginSinceBuild = 212
+pluginUntilBuild = 221.*
+# Plugin Verifier integration -> https://github.com/JetBrains/gradle-intellij-plugin#plugin-verifier-dsl
+# See https://jb.gg/intellij-platform-builds-list for available build versions
+pluginVerifierIdeVersions = 2022.1
+
+platformType = IC
+platformVersion = 2022.1
+platformDownloadSources = true
+# Plugin Dependencies -> https://www.jetbrains.org/intellij/sdk/docs/basics/plugin_structure/plugin_dependencies.html
+# Example: platformPlugins = com.intellij.java, com.jetbrains.php:203.4449.22
+platformPlugins = terminal
+
+# Opt-out flag for bundling Kotlin standard library.
+# See https://kotlinlang.org/docs/reference/using-gradle.html#dependency-on-the-standard-library for details.
+kotlin.stdlib.default.dependency = false

makefile/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-all.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

makefile/settings.gradle.kts

@@ -0,0 +1 @@
+rootProject.name = "makefile"

makefile/src/com/jetbrains/lang/makefile/toolWindow/MakefileCellRenderer.kt

@@ -6,11 +6,6 @@ import javax.swing.*
 class MakefileCellRenderer : ColoredTreeCellRenderer() {
   override fun customizeCellRenderer(tree: JTree, value: Any, selected: Boolean, expanded: Boolean, leaf: Boolean, row: Int, hasFocus: Boolean) {
     value as MakefileTreeNode
-    icon = value.icon
-    if (value is MakefileTargetNode && value.target.isSpecialTarget) {
-      append(value.name, SimpleTextAttributes.REGULAR_ITALIC_ATTRIBUTES)
-    } else {
-      append(value.name)
-    }
+    value.render(this)
   }
 }

makefile/src/com/jetbrains/lang/makefile/toolWindow/MakefileFileNode.kt

@@ -1,6 +1,8 @@
 package com.jetbrains.lang.makefile.toolWindow
 
 import com.intellij.psi.*
+import com.intellij.ui.ColoredTreeCellRenderer
+import com.intellij.ui.SimpleTextAttributes
 import icons.MakefileIcons
 import java.util.*
 import java.util.Collections.*
@@ -32,4 +34,9 @@ class MakefileFileNode(val psiFile: PsiFile, private val targets: List<MakefileT
   override fun getIndex(node: TreeNode) = targets.indexOf(node)
 
   override fun getAllowsChildren() = true
+
+  override fun renderName(renderer: ColoredTreeCellRenderer) {
+    super.renderName(renderer)
+    renderer.append("  ${psiFile.virtualFile.path}", SimpleTextAttributes.GRAYED_ITALIC_ATTRIBUTES, false)
+  }
 }

makefile/src/com/jetbrains/lang/makefile/toolWindow/MakefileTargetNode.kt

@@ -1,5 +1,7 @@
 package com.jetbrains.lang.makefile.toolWindow
 
+import com.intellij.ui.ColoredTreeCellRenderer
+import com.intellij.ui.SimpleTextAttributes
 import com.jetbrains.lang.makefile.*
 import com.jetbrains.lang.makefile.psi.*
 import java.util.*
@@ -25,4 +27,12 @@ class MakefileTargetNode(val target: MakefileTarget) : MakefileTreeNode(target.n
   override fun getIndex(node: TreeNode) = 0
 
   override fun getAllowsChildren() = false
+
+  override fun renderName(renderer: ColoredTreeCellRenderer) {
+    if (target.isSpecialTarget) {
+      renderer.append(name, SimpleTextAttributes.REGULAR_ITALIC_ATTRIBUTES)
+    } else {
+      super.renderName(renderer)
+    }
+  }
 }

makefile/src/com/jetbrains/lang/makefile/toolWindow/MakefileTreeNode.kt

@@ -1,6 +1,8 @@
 package com.jetbrains.lang.makefile.toolWindow
 
 import com.intellij.openapi.util.NlsSafe
+import com.intellij.ui.ColoredTreeCellRenderer
+import com.intellij.ui.SimpleTextAttributes
 import javax.swing.*
 import javax.swing.tree.*
 
@@ -9,4 +11,17 @@ abstract class MakefileTreeNode(@NlsSafe val name: String) : TreeNode {
   object Comparator : kotlin.Comparator<MakefileTreeNode> {
     override fun compare(a: MakefileTreeNode, b: MakefileTreeNode): Int = a.name.compareTo(b.name, ignoreCase = true)
   }
+
+  protected open fun renderIcon(renderer: ColoredTreeCellRenderer) {
+    renderer.icon = this.icon
+  }
+
+  protected open fun renderName(renderer: ColoredTreeCellRenderer) {
+    renderer.append(name, SimpleTextAttributes.REGULAR_ATTRIBUTES, true/*, name.length + 10, SwingConstants.LEFT*/)
+  }
+
+  open fun render(renderer: ColoredTreeCellRenderer) {
+    renderIcon(renderer)
+    renderName(renderer)
+  }
 }

makefile/test/com/jetbrains/lang/makefile/MakefileTestUtils.kt

@@ -1,8 +1,16 @@
 package com.jetbrains.lang.makefile
 
 import com.intellij.openapi.application.PathManager
+import java.io.File
 
 /**
  * Test data directory
  */
-internal val BASE_TEST_DATA_PATH: String = PathManager.getHomePath() + "/contrib/makefile/testData"
+internal val BASE_TEST_DATA_PATH: String = findTestDataPath()
+
+private fun findTestDataPath(): String {
+    val f = File("testData")
+    return if (f.exists()) {
+        f.absolutePath
+    } else PathManager.getHomePath() + "/contrib/makefile/testData"
+}