Add runescript and neptune icons

Author: waleedyaseen

src/main/kotlin/io/runescript/plugin/ide/RsIcons.kt

@@ -6,8 +6,8 @@ import javax.swing.Icon
 
 object RsIcons {
 
-    val Neptune: Icon = AllIcons.FileTypes.Unknown
-    val RuneScript: Icon = AllIcons.FileTypes.Unknown
+    val Neptune: Icon = IconLoader.getIcon("/icons/neptune.svg", RsIcons::class.java)
+    val RuneScript: Icon = IconLoader.getIcon("/icons/runescript.svg", RsIcons::class.java)
     val Cs2FileType: Icon = IconLoader.getIcon("/icons/fileTypes/cs2.svg", RsIcons::class.java)
     val SymFileType: Icon = IconLoader.getIcon("/icons/fileTypes/sym.svg", RsIcons::class.java)
     val Cs2: Icon = AllIcons.Nodes.AbstractMethod

src/main/kotlin/io/runescript/plugin/ide/icons/NeptuneIconProvider.kt

@@ -0,0 +1,17 @@
+package io.runescript.plugin.ide.icons
+
+import com.intellij.ide.FileIconProvider
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.vfs.VirtualFile
+import io.runescript.plugin.ide.RsIcons
+import io.runescript.plugin.ide.neptune.isNeptuneBuildFile
+import javax.swing.Icon
+
+class NeptuneIconProvider : FileIconProvider {
+    override fun getIcon(file: VirtualFile, flags: Int, project: Project?): Icon? {
+        if (file.isNeptuneBuildFile) {
+            return RsIcons.Neptune
+        }
+        return null
+    }
+}

src/main/resources/META-INF/plugin.xml

@@ -14,6 +14,7 @@
         <fileType name="RuneScript" language="RuneScript"
                   implementationClass="io.runescript.plugin.ide.filetypes.RsFileType" fieldName="INSTANCE"
                   extensions="cs2"/>
+        <fileIconProvider order="first" implementation="io.runescript.plugin.ide.icons.NeptuneIconProvider" />
 
         <!-- Project & Modules -->
         <moduleBuilder builderClass="io.runescript.plugin.ide.projectWizard.NeptuneModuleBuilder"/>