feat(editor): add ShireFileEditorProvider for custom file editing #178

Introduce a new `ShireFileEditorProvider` class to handle custom file editing for Shire files. This includes creating a dedicated editor with a toolbar and a "Run Shire" action. The provider is registered in the plugin's XML configuration.

shirelang/src/main/kotlin/com/phodal/shirelang/editor/ShireFileEditorProvider.kt

@@ -0,0 +1,105 @@
+package com.phodal.shirelang.editor
+
+import com.intellij.codeHighlighting.BackgroundEditorHighlighter
+import com.intellij.icons.AllIcons
+import com.intellij.ide.structureView.StructureViewBuilder
+import com.intellij.openapi.actionSystem.*
+import com.intellij.openapi.editor.Editor
+import com.intellij.openapi.fileEditor.*
+import com.intellij.openapi.fileEditor.impl.text.TextEditorImpl
+import com.intellij.openapi.fileEditor.impl.text.TextEditorProvider
+import com.intellij.openapi.fileTypes.FileTypeRegistry
+import com.intellij.openapi.project.DumbAware
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.util.UserDataHolderBase
+import com.intellij.openapi.vfs.VirtualFile
+import com.intellij.pom.Navigatable
+import com.intellij.testFramework.LightVirtualFile
+import com.phodal.shirelang.ShireFileType
+import org.jetbrains.annotations.NonNls
+import java.awt.BorderLayout
+import java.beans.PropertyChangeListener
+import javax.swing.JPanel
+
+class ShireFileEditorProvider : FileEditorProvider, DumbAware {
+    override fun getEditorTypeId() = "r-editor"
+
+    override fun accept(project: Project, file: VirtualFile) =
+        FileTypeRegistry.getInstance().isFileOfType(file, ShireFileType.INSTANCE)
+
+    override fun createEditor(project: Project, file: VirtualFile): FileEditor {
+        val editor = TextEditorProvider.getInstance().createEditor(project, file) as TextEditorImpl
+        if (editor.file is LightVirtualFile) {
+            return editor
+        }
+
+        return ShireFileEditor(project, editor, file)
+    }
+
+    override fun getPolicy() = FileEditorPolicy.HIDE_DEFAULT_EDITOR
+}
+
+open class ShireFileEditor(
+    val project: Project,
+    val textEditor: TextEditor,
+    val virtualFile: VirtualFile,
+) : UserDataHolderBase(), TextEditor {
+    protected val mainComponent = JPanel(BorderLayout())
+
+    init {
+        val toolbarComponent = createToolbar().component
+        mainComponent.add(textEditor.component, BorderLayout.CENTER)
+        mainComponent.add(toolbarComponent, BorderLayout.NORTH)
+    }
+
+    override fun dispose() {
+        TextEditorProvider.getInstance().disposeEditor(textEditor)
+    }
+
+    private fun createToolbar(): ActionToolbar {
+        return ActionManager.getInstance()
+            .createActionToolbar(ActionPlaces.EDITOR_TOOLBAR, createActionGroup(project, virtualFile, editor), true)
+            .also {
+                it.targetComponent = editor.contentComponent
+            }
+    }
+
+    private fun createActionGroup(project: Project, report: VirtualFile, editor: Editor): ActionGroup {
+        return DefaultActionGroup(
+            createRunShireAction(project),
+        )
+    }
+
+    private fun createRunShireAction(project: Project): AnAction {
+        val idleIcon = AllIcons.Actions.Execute
+        return object : AnAction("Run Shire", "Run Shire", idleIcon) {
+            override fun actionPerformed(e: AnActionEvent) {
+                /// run current File
+            }
+        }
+    }
+
+    override fun getComponent() = mainComponent
+    override fun getState(level: FileEditorStateLevel): FileEditorState = textEditor.getState(level)
+    override fun setState(state: FileEditorState) = textEditor.setState(state)
+    override fun isModified(): Boolean = textEditor.isModified
+    override fun isValid(): Boolean = textEditor.isValid
+    override fun getBackgroundHighlighter(): BackgroundEditorHighlighter? = textEditor.backgroundHighlighter
+    override fun getCurrentLocation(): FileEditorLocation? = textEditor.currentLocation
+    override fun getPreferredFocusedComponent() = textEditor.preferredFocusedComponent
+    override fun getName(): String = "Shire Editor"
+
+    override fun getStructureViewBuilder(): StructureViewBuilder? = textEditor.structureViewBuilder
+    override fun getEditor(): Editor = textEditor.editor
+    override fun navigateTo(navigatable: Navigatable) = textEditor.navigateTo(navigatable)
+    override fun canNavigateTo(navigatable: Navigatable): Boolean = textEditor.canNavigateTo(navigatable)
+    override fun getFile(): VirtualFile = virtualFile
+
+    override fun addPropertyChangeListener(listener: PropertyChangeListener) {
+        textEditor.addPropertyChangeListener(listener)
+    }
+
+    override fun removePropertyChangeListener(listener: PropertyChangeListener) {
+        textEditor.removePropertyChangeListener(listener)
+    }
+}

shirelang/src/main/resources/com.phodal.shirelang.xml

@@ -86,6 +86,7 @@
 
         <editorFactoryDocumentListener implementation="com.phodal.shirelang.actions.ShireFileModificationListener"/>
 
+        <fileEditorProvider implementation="com.phodal.shirelang.editor.ShireFileEditorProvider"/>
     </extensions>
 
     <actions>