#1894063: UI blocks if user can not access github when open sdk reference book

Author: wangmingliang-ms

PluginsAndFeatures/azure-toolkit-for-intellij/azure-sdk-reference-book/src/main/java/com/microsoft/azure/toolkit/intellij/azuresdk/referencebook/AzureSdkReferenceBookPanel.java

@@ -6,6 +6,8 @@
 package com.microsoft.azure.toolkit.intellij.azuresdk.referencebook;
 
 import com.intellij.ui.components.JBScrollPane;
+import com.microsoft.azure.toolkit.lib.common.bundle.AzureString;
+import com.microsoft.azure.toolkit.lib.common.task.AzureTaskManager;
 import lombok.Getter;
 
 import javax.swing.*;
@@ -22,7 +24,7 @@ public class AzureSdkReferenceBookPanel {
     public AzureSdkReferenceBookPanel() {
         this.contentPanel.setPreferredSize(new Dimension(840, 600));
         this.initListeners();
-        this.servicesTreePanel.refresh();
+        AzureTaskManager.getInstance().runInBackground(AzureString.fromString("loading Azure SDK data"), () -> this.servicesTreePanel.refresh());
     }
 
     private void initListeners() {

PluginsAndFeatures/azure-toolkit-for-intellij/azure-sdk-reference-book/src/main/java/com/microsoft/azure/toolkit/intellij/azuresdk/referencebook/AzureSdkTreePanel.java

@@ -111,7 +111,7 @@ public void refresh(boolean... force) {
             this.categories = AzureSdkCategoryService.loadAzureSDKCategories();
             this.fillDescriptionFromCategoryIfMissing(this.categories, this.services);
             this.filter.debounce();
-            Optional.ofNullable(this.lastNodePath).ifPresent(p -> TreeUtil.selectPath(this.tree, p));
+            AzureTaskManager.getInstance().runLater(() -> Optional.ofNullable(this.lastNodePath).ifPresent(p -> TreeUtil.selectPath(this.tree, p)));
         } catch (final IOException e) {
             //TODO: messager.warning(...)
             e.printStackTrace();