feat(wechat): add WeChat component view provider

#406

Add WechatComponentViewProvider to collect WXML components for architectural view. The provider currently returns empty components but includes the framework for scanning WXML files and building UI component representations.

Author: phodal

exts/ext-wechat/src/243/main/kotlin/cc/unitmesh/wechat/PlaceHolder.kt

@@ -0,0 +1,4 @@
+package cc.unitmesh.wechat
+
+class PlaceHolder {
+}

exts/ext-wechat/src/243/main/kotlin/cc/unitmesh/wechat/provider/bridge/WechatComponentViewProvider.kt

@@ -0,0 +1,42 @@
+package cc.unitmesh.wechat.provider.bridge
+
+import cc.unitmesh.devti.bridge.archview.model.UiComponent
+import cc.unitmesh.devti.bridge.provider.ComponentViewMode
+import cc.unitmesh.devti.bridge.provider.ComponentViewProvider
+import com.intellij.openapi.project.Project
+import com.intellij.psi.PsiManager
+import com.intellij.psi.search.FileTypeIndex
+import com.intellij.psi.search.GlobalSearchScope
+import com.intellij.psi.search.ProjectScope
+import com.intellij.wechat.miniprogram.lang.wxml.WxmlFileType
+import com.intellij.wechat.miniprogram.lang.wxml.psi.impl.WxmlFile
+
+class WechatComponentViewProvider : ComponentViewProvider() {
+    override fun isApplicable(project: Project): Boolean {
+        return false
+    }
+
+    override fun collect(
+        project: Project,
+        mode: ComponentViewMode
+    ): List<UiComponent> {
+        val searchScope: GlobalSearchScope = ProjectScope.getContentScope(project)
+        val psiManager = PsiManager.getInstance(project)
+
+        val virtualFiles = FileTypeIndex.getFiles(WxmlFileType, searchScope)
+
+        val components = mutableListOf<UiComponent>()
+        virtualFiles.forEach { file ->
+            val wxmlFile = (psiManager.findFile(file) ?: return@forEach) as? WxmlFile ?: return@forEach
+            components += buildComponent(wxmlFile) ?: return@forEach
+        }
+
+        return components
+    }
+
+    companion object {
+        fun buildComponent(wxmlFile: WxmlFile): List<UiComponent>? {
+            return emptyList()
+        }
+    }
+}

exts/ext-wechat/src/243/main/resources/cc.unitmesh.wechat.xml

@@ -5,6 +5,6 @@
     </dependencies>
 
     <extensions defaultExtensionNs="cc.unitmesh">
-
+        <componentProvider implementation="cc.unitmesh.wechat.provider.bridge.WechatComponentViewProvider"/>
     </extensions>
 </idea-plugin>