GH-1 Plug-in uninstallation is corrected, LanguageSupportState added …

…to manage the plug-in's state, some reworks for the plug-in's state management

Signed-off-by: Uladzislau <[email protected]>

build.gradle.kts

@@ -32,7 +32,7 @@ intellij {
 //  pluginsRepositories {
 //    custom("https://plugins.jetbrains.com/plugins/nightly/23257")
 //  }
-  plugins.set(listOf("org.jetbrains.plugins.textmate", "com.redhat.devtools.lsp4ij:0.0.1"))
+  plugins.set(listOf("org.jetbrains.plugins.textmate", "com.redhat.devtools.lsp4ij:0.0.2"))
 }
 
 tasks {

src/main/kotlin/org/zowe/cobol/CobolProjectManagerListener.kt

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2024 IBA Group.
+ *
+ * This program and the accompanying materials are made available under the terms of the
+ * Eclipse Public License v2.0 which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-v20.html
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   IBA Group
+ *   Zowe Community
+ */
+
+package org.zowe.cobol
+
+import com.intellij.openapi.components.service
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.project.ProjectManager
+import com.intellij.openapi.project.ProjectManagerListener
+import org.zowe.cobol.state.CobolPluginState
+import org.zowe.cobol.state.InitializationOnly
+import org.zowe.cobol.state.LanguageSupportStateService
+
+/** COBOL project manager listener. Listens to projects changes and react to them respectively */
+class CobolProjectManagerListener : ProjectManagerListener {
+
+  /**
+   * Delete TextMate bundle if the last opened project is being closed
+   * (the only possible way to handle plug-in's TextMate bundle to be deleted when the plug-in is uninstalled)
+   */
+  @OptIn(InitializationOnly::class)
+  override fun projectClosing(project: Project) {
+    val lsStateService = service<LanguageSupportStateService>()
+    val pluginState = lsStateService.getPluginState(project) { CobolPluginState(project) }
+
+    if (isLastProjectClosing()) {
+      pluginState.unloadLSPClient {}
+      pluginState.finishDeinitialization {}
+    }
+  }
+
+  /** Check if the project being closed is the last one that was opened */
+  private fun isLastProjectClosing(): Boolean {
+    return ProjectManager.getInstance().openProjects.size == 1
+  }
+
+}

src/main/kotlin/org/zowe/cobol/lsp/CobolLanguageClient.kt

@@ -1,11 +1,15 @@
 /*
+ * Copyright (c) 2024 IBA Group.
+ *
  * This program and the accompanying materials are made available under the terms of the
  * Eclipse Public License v2.0 which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-v20.html
  *
  * SPDX-License-Identifier: EPL-2.0
  *
- * Copyright Contributors to the Zowe Project
+ * Contributors:
+ *   IBA Group
+ *   Zowe Community
  */
 
 package org.zowe.cobol.lsp