Add tree filter persistence

src/commands/filterTree.ts

@@ -14,6 +14,7 @@ interface TreeFilterState {
 }
 
 const treeFilters = new Map<TreePrefix, TreeFilterState>();
+const filterMementoKeyPrefix = "vscode-containers.filters";
 
 // Only support filtering for containers and images
 const contextKeys: Partial<Record<TreePrefix, string>> = {
@@ -25,16 +26,49 @@ export function getTreeFilter(treePrefix: TreePrefix): TreeFilterState {
     return treeFilters.get(treePrefix) || { filterText: "", isActive: false };
 }
 
-function setTreeFilter(treePrefix: TreePrefix, filterText: string): void {
+function getFilterMementoKey(treePrefix: TreePrefix): string {
+    return `${filterMementoKeyPrefix}.${treePrefix}`;
+}
+
+function loadPersistedTreeFilter(treePrefix: TreePrefix): void {
+    const persistedFilter = ext.context.workspaceState.get<string>(
+        getFilterMementoKey(treePrefix)
+    );
+
+    if (persistedFilter !== undefined) {
+        const normalizedFilter = persistedFilter.toLowerCase();
+        treeFilters.set(treePrefix, {
+            filterText: normalizedFilter,
+            isActive: normalizedFilter.length > 0,
+        });
+    } else {
+        treeFilters.delete(treePrefix);
+    }
+}
+
+async function setTreeFilter(
+    treePrefix: TreePrefix,
+    filterText: string
+): Promise<void> {
+    const normalizedFilterText = filterText.toLowerCase();
+
     treeFilters.set(treePrefix, {
-        filterText: filterText.toLowerCase(),
-        isActive: filterText.length > 0,
+        filterText: normalizedFilterText,
+        isActive: normalizedFilterText.length > 0,
     });
-    setFilterContextValue(treePrefix, filterText.length > 0);
+    await ext.context.workspaceState.update(
+        getFilterMementoKey(treePrefix),
+        normalizedFilterText || undefined
+    );
+    setFilterContextValue(treePrefix, normalizedFilterText.length > 0);
 }
 
-function clearTreeFilter(treePrefix: TreePrefix): void {
-    treeFilters.set(treePrefix, { filterText: "", isActive: false });
+async function clearTreeFilter(treePrefix: TreePrefix): Promise<void> {
+    treeFilters.delete(treePrefix);
+    await ext.context.workspaceState.update(
+        getFilterMementoKey(treePrefix),
+        undefined
+    );
     setFilterContextValue(treePrefix, false);
 }
 
@@ -47,8 +81,10 @@ function setFilterContextValue(treePrefix: TreePrefix, value: boolean): void {
 
 export function setInitialFilterContextValues(): void {
     for (const treePrefix of Object.keys(contextKeys) as TreePrefix[]) {
+        loadPersistedTreeFilter(treePrefix);
         const filter = getTreeFilter(treePrefix);
         setFilterContextValue(treePrefix, filter.isActive);
+        updateTreeViewTitle(treePrefix);
     }
 }
 
@@ -122,24 +158,31 @@ async function filterTreeView(
     }
 
     quickPick.onDidAccept(() => {
-        const value = quickPick.value.trim();
-        const selectedItem = quickPick.selectedItems[0];
-
-        // Check if "Clear Filter" was selected
-        if (selectedItem?.label === clearFilterLabel) {
-            clearTreeFilter(treePrefix);
-            context.telemetry.properties.action = "clearFilter";
-        } else if (value) {
-            setTreeFilter(treePrefix, value);
-            context.telemetry.properties.action = "applyFilter";
-            context.telemetry.properties.filterLength = value.length.toString();
-        } else {
-            clearTreeFilter(treePrefix);
-            context.telemetry.properties.action = "clearFilter";
-        }
-
-        quickPick.hide();
-        void refreshTreeView(treePrefix);
+        void (async () => {
+            const value = quickPick.value.trim();
+            const selectedItem = quickPick.selectedItems[0];
+
+            // Check if "Clear Filter" was selected
+            if (selectedItem?.label === clearFilterLabel) {
+                await clearTreeFilter(treePrefix);
+                context.telemetry.properties.action = "clearFilter";
+            } else if (value) {
+                await setTreeFilter(treePrefix, value);
+                context.telemetry.properties.action = "applyFilter";
+                context.telemetry.properties.filterLength =
+                    value.length.toString();
+            } else {
+                await clearTreeFilter(treePrefix);
+                context.telemetry.properties.action = "clearFilter";
+            }
+
+            quickPick.hide();
+            await refreshTreeView(treePrefix);
+        })().catch((error) => {
+            void vscode.window.showErrorMessage(
+                vscode.l10n.t("Failed to apply filter: {0}", String(error))
+            );
+        });
     });
 
     quickPick.onDidHide(() => {
@@ -223,15 +266,15 @@ export async function filterImagesTree(context: IActionContext): Promise<void> {
 export async function clearContainersFilter(
     context: IActionContext
 ): Promise<void> {
-    clearTreeFilter("containers");
+    await clearTreeFilter("containers");
     context.telemetry.properties.action = "clearFilter";
-    void refreshTreeView("containers");
+    await refreshTreeView("containers");
 }
 
 export async function clearImagesFilter(
     context: IActionContext
 ): Promise<void> {
-    clearTreeFilter("images");
+    await clearTreeFilter("images");
     context.telemetry.properties.action = "clearFilter";
-    void refreshTreeView("images");
+    await refreshTreeView("images");
 }

src/test/TestMemento.ts

@@ -6,18 +6,23 @@
 import * as vscode from 'vscode';
 
 export class TestMemento implements vscode.Memento {
-    private readonly values: { [key: string]: never } = {};
+    private readonly values: Record<string, unknown> = {};
 
     keys(): readonly string[] {
         return Object.keys(this.values);
     }
 
     get<T>(key: string, defaultValue?: T): T | undefined {
-        return this.values[key] ?? defaultValue;
+        return (this.values[key] as T | undefined) ?? defaultValue;
     }
 
-    update(key: string, value: never): Thenable<void> {
-        this.values[key] = value;
+    update(key: string, value: unknown): Thenable<void> {
+        if (value === undefined) {
+            delete this.values[key];
+        } else {
+            this.values[key] = value;
+        }
+
         return Promise.resolve();
     }
 }

src/tree/LocalRootTreeItemBase.ts

@@ -97,6 +97,14 @@ export abstract class LocalRootTreeItemBase<TItem extends AnyContainerObject, TP
             ext.activityMeasurementService.recordActivity('overallnoedit');
 
             this._currentItems = await this.getCachedItems(context, clearCache);
+            this.groupBySetting = this.getTreeSetting(groupByKey, this.groupBySettingInfo);
+            context.telemetry.properties.groupBySetting = this.groupBySetting;
+            this.sortBySetting = this.getTreeSetting(sortByKey, this.sortBySettingInfo);
+            context.telemetry.properties.sortBySetting = this.sortBySetting;
+            this.labelSetting = this.getTreeSetting(labelKey, this.labelSettingInfo);
+            context.telemetry.properties.labelSetting = this.labelSetting;
+            this.descriptionSetting = this.getTreeArraySetting(descriptionKey, this.descriptionSettingInfo);
+            context.telemetry.properties.descriptionSetting = this.descriptionSetting.toString();
 
             const filter = getTreeFilter(this.treePrefix);
             if (filter.isActive && this._currentItems) {
@@ -123,15 +131,6 @@ export abstract class LocalRootTreeItemBase<TItem extends AnyContainerObject, TP
             context.telemetry.properties.noItems = 'true';
             return this.getTreeItemForEmptyList();
         } else {
-            this.groupBySetting = this.getTreeSetting(groupByKey, this.groupBySettingInfo);
-            context.telemetry.properties.groupBySetting = this.groupBySetting;
-            this.sortBySetting = this.getTreeSetting(sortByKey, this.sortBySettingInfo);
-            context.telemetry.properties.sortBySetting = this.sortBySetting;
-            this.labelSetting = this.getTreeSetting(labelKey, this.labelSettingInfo);
-            context.telemetry.properties.labelSetting = this.labelSetting;
-            this.descriptionSetting = this.getTreeArraySetting(descriptionKey, this.descriptionSettingInfo);
-            context.telemetry.properties.descriptionSetting = this.descriptionSetting.toString();
-
             return this.groupItems(this._currentItems);
         }
     }