Added an action to create a new empty file

CHANGELOG.md

@@ -4,6 +4,12 @@
 
 ## [Unreleased]
 
+### Added
+- Added an action to create a new empty file
+
+### Fixed
+- Fixed linear marker preview
+
 ## [0.2.7] - 2023-11-15
 
 ### Fixed

src/main/kotlin/dev/slint/ideaplugin/ide/actions/SlintCreateFileAction.kt

@@ -0,0 +1,36 @@
+package dev.slint.ideaplugin.ide.actions
+
+import com.intellij.ide.actions.CreateFileFromTemplateAction
+import com.intellij.ide.actions.CreateFileFromTemplateDialog
+import com.intellij.openapi.actionSystem.CommonDataKeys
+import com.intellij.openapi.actionSystem.DataContext
+import com.intellij.openapi.client.currentSession
+import com.intellij.openapi.project.DumbAware
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.vfs.VfsUtil
+import com.intellij.psi.PsiDirectory
+import dev.slint.ideaplugin.SlintBundle
+import dev.slint.ideaplugin.SlintIcons
+import org.jetbrains.annotations.Nls
+
+class SlintCreateFileAction : CreateFileFromTemplateAction(CAPTION, "", SlintIcons.SLINT),
+    DumbAware {
+
+    override fun getActionName(directory: PsiDirectory?, newName: String, templateName: String?): String = CAPTION
+
+    override fun isAvailable(dataContext: DataContext): Boolean {
+        if (!super.isAvailable(dataContext)) return false
+        CommonDataKeys.PROJECT.getData(dataContext) ?: return false
+        return true
+    }
+
+    override fun buildDialog(project: Project, directory: PsiDirectory, builder: CreateFileFromTemplateDialog.Builder) {
+        builder.setTitle(CAPTION)
+            .addKind(SlintBundle.message("list.item.empty.file"), SlintIcons.SLINT, "Slint File")
+    }
+
+    private companion object {
+        @Nls
+        private val CAPTION = SlintBundle.message("slint.file")
+    }
+}

src/main/kotlin/dev/slint/ideaplugin/ide/lineMarkers/PreviewRunLineMarkerContributor.kt

@@ -2,23 +2,14 @@ package dev.slint.ideaplugin.ide.lineMarkers
 
 import com.intellij.execution.lineMarker.RunLineMarkerContributor
 import com.intellij.psi.PsiElement
-import com.intellij.openapi.actionSystem.ActionManager
-import com.intellij.psi.PsiWhiteSpace
-import com.intellij.psi.TokenType.WHITE_SPACE
 import com.intellij.psi.util.elementType
-import com.intellij.psi.util.nextLeafs
 import dev.slint.ideaplugin.ide.actions.PreviewComponentAction
-import dev.slint.ideaplugin.lang.psi.SlintElementTypes.COMPONENT
-import dev.slint.ideaplugin.lang.psi.SlintElementTypes.IDENTIFIER
-import dev.slint.ideaplugin.lang.psi.SlintFileElementType
+import dev.slint.ideaplugin.lang.psi.SlintElementTypes.*
 
 class PreviewRunLineMarkerContributor : RunLineMarkerContributor() {
     override fun getInfo(element: PsiElement): Info? {
         return when (element.elementType) {
-            SlintFileElementType -> {
-                Info(ActionManager.getInstance().getAction("Slint.Preview"))
-            }
-            COMPONENT -> {
+            COMPONENT_DEFINITION -> {
                 val componentName = getComponentName(element) ?: return null
                 Info(PreviewComponentAction(componentName))
             }
@@ -29,16 +20,10 @@ class PreviewRunLineMarkerContributor : RunLineMarkerContributor() {
     }
 
     private fun getComponentName(element: PsiElement): String? {
-        val psiWhiteSpace = element.nextSibling
-        if (psiWhiteSpace.elementType != WHITE_SPACE) {
+        val componentName = element.children.firstOrNull() ?: return null
+        if (componentName.elementType != COMPONENT_NAME) {
             return null
         }
-
-        val component = psiWhiteSpace.nextSibling
-        if (component.elementType != IDENTIFIER) {
-            return null
-        }
-
-        return component.text
+        return componentName.text
     }
 }

src/main/kotlin/dev/slint/ideaplugin/lang/SlintLanguage.kt

@@ -1,9 +1,10 @@
 package dev.slint.ideaplugin.lang
 
-import com.intellij.json.JsonLanguage
 import com.intellij.lang.Language
 
 object SlintLanguage : Language("Slint") {
+    private fun readResolve(): Any = SlintLanguage
+
     val INSTANCE = SlintLanguage
 
     override fun getDisplayName(): String = "Slint"

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

@@ -24,6 +24,7 @@
         <lang.parserDefinition language="Slint"
                                implementationClass="dev.slint.ideaplugin.lang.parser.SlintParserDefinition"/>
         <annotator language="Slint" implementationClass="dev.slint.ideaplugin.ide.annotator.SlintAnnotator"/>
+        <internalFileTemplate name="Slint File"/>
 
         <!--Syntax Highlighting-->
         <lang.syntaxHighlighter language="Slint"
@@ -47,6 +48,11 @@
                                   implementationClass="dev.slint.ideaplugin.ide.lineMarkers.PreviewRunLineMarkerContributor"/>
     </extensions>
     <actions>
+        <action id="Slint.NewSlintFile"
+                class="dev.slint.ideaplugin.ide.actions.SlintCreateFileAction">
+            <add-to-group group-id="NewGroup" anchor="after" relative-to-action="NewFile"/>
+        </action>
+
         <group id="SlintGroupedActions">
             <separator/>
             <add-to-group group-id="ProjectViewPopupMenu"/>

src/main/resources/fileTemplates/internal/Slint File.slint.html

@@ -0,0 +1,5 @@
+<html>
+    <body>
+        Empty Slint file.
+    </body>
+</html>

src/main/resources/messages/SlintBundle.properties

@@ -3,4 +3,9 @@ settings.display.name=Slint
 configurable.name.slint.settings=Slint Settings
 
 # Filetype
-filetype.slint.description=Slint
+filetype.slint.description=Slint
+
+# Actions
+slint.file=Slint File
+
+list.item.empty.file=Empty file