Update sync settings for dependency viewer.

Author: yaohaizh

javaConfig.json

@@ -0,0 +1,6 @@
+{
+    "projects": [
+        "./jdtls.ext/"
+    ],
+   "targetPlatform": "./jdtls.ext/target.target"
+}

package.json

@@ -99,6 +99,11 @@
           "description": "%configuration.java.dependency.syncWithFolderExplorer%",
           "default": true
         },
+        "java.dependency.autoRefresh": {
+          "type": "boolean",
+          "description": "%configuration.java.dependency.autoRefresh%",
+          "default": true
+        },
         "java.dependency.packagePresentation": {
           "type": "string",
           "enum": [

package.nls.json

@@ -10,5 +10,6 @@
   "configuration.java.dependency.title": "Java Dependency Configuration",
   "configuration.java.dependency.showOutline": "Enable show outline in the Java Dependency explorer",
   "configuration.java.dependency.syncWithFolderExplorer": "Synchronize dependency viewer selection with folder explorer",
+  "configuration.java.dependency.autoRefresh": "Synchronize dependency viewer with changes",
   "configuration.java.dependency.packagePresentation": "Package presentation mode: flat or hierarchical"
 }

package.nls.zh.json

@@ -10,5 +10,6 @@
   "configuration.java.dependency.title": "Java 依赖管理配置",
   "configuration.java.dependency.showOutline": "在 Java 依赖项资源管理器中显示类成员大纲",
   "configuration.java.dependency.syncWithFolderExplorer": "在 Java 依赖项资源管理器中同步关联当前打开的文件",
+  "configuration.java.dependency.autoRefresh": "在 Java 依赖项资源管理器中自动同步修改",
   "configuration.java.dependency.packagePresentation": "Java 包显示方式: 平行显示或者分层显示"
 }

src/fileWather.ts

@@ -0,0 +1,37 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT license.
+
+import { Disposable, workspace, commands, FileSystemWatcher } from "vscode";
+import { Commands } from "./commands";
+
+export class SyncHandler {
+
+    private static javaFileContentWatcher: Disposable = null;
+
+    private static javaFileSystemWatcher: FileSystemWatcher = null;
+
+    public static updateFileWatcher(autoRefresh: boolean): void {
+        if (autoRefresh) {
+            SyncHandler.javaFileContentWatcher = workspace.onDidChangeTextDocument((event) => {
+                if (event.document.languageId === 'java') {
+                    SyncHandler.refresh();
+                }
+            });
+            SyncHandler.javaFileSystemWatcher = workspace.createFileSystemWatcher('**/*.{java}');
+            SyncHandler.javaFileSystemWatcher.onDidChange(SyncHandler.refresh);
+            SyncHandler.javaFileSystemWatcher.onDidCreate(SyncHandler.refresh);
+            SyncHandler.javaFileSystemWatcher.onDidDelete(SyncHandler.refresh);
+        } else {
+            if (SyncHandler.javaFileContentWatcher) {
+                SyncHandler.javaFileContentWatcher.dispose();
+            }
+            if (SyncHandler.javaFileSystemWatcher) {
+                SyncHandler.javaFileSystemWatcher.dispose();
+            }
+        }
+    }
+
+    private static refresh(): void {
+        commands.executeCommand(Commands.VIEW_PACKAGE_REFRESH);
+    }
+}

src/settings.ts

@@ -1,9 +1,10 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license.
 
-import { commands, ConfigurationChangeEvent, ExtensionContext, workspace, WorkspaceConfiguration } from "vscode";
+import { commands, ConfigurationChangeEvent, ExtensionContext, workspace, WorkspaceConfiguration, window, DocumentHighlight, Disposable } from "vscode";
 import { instrumentOperation } from "vscode-extension-telemetry-wrapper";
 import { Commands } from "./commands";
+import { SyncHandler } from "./fileWather";
 
 export class Settings {
 
@@ -20,9 +21,13 @@ export class Settings {
                 this._dependencyConfig = updatedConfig;
                 commands.executeCommand(Commands.VIEW_PACKAGE_REFRESH);
             } else {
+                if (updatedConfig.autoRefresh !== this._dependencyConfig.autoRefresh) {
+                    SyncHandler.updateFileWatcher(updatedConfig.autoRefresh);
+                }
                 this._dependencyConfig = updatedConfig;
             }
         }));
+        SyncHandler.updateFileWatcher(Settings.autoRefresh());
 
         context.subscriptions.push(commands.registerCommand(Commands.VIEW_PACKAGE_LINKWITHFOLDER,
             instrumentOperation(Commands.VIEW_PACKAGE_LINKWITHFOLDER, Settings.linkWithFolderCommand)));
@@ -57,6 +62,10 @@ export class Settings {
         return this._dependencyConfig.get("showOutline");
     }
 
+    public static autoRefresh(): boolean {
+        return this._dependencyConfig.get("autoRefresh");
+    }
+
     public static syncWithFolderExplorer(): boolean {
         return this._dependencyConfig.get("syncWithFolderExplorer");
     }