allow for multiple files to be discarded (or opened) at once

package.json

@@ -147,6 +147,12 @@
                 "title": "View as Tree",
                 "icon": "$(list-tree)",
                 "category": "Git Tree Compare"
+            },
+            {
+                "command": "gitTreeCompare.discardSelectedChanges",
+                "title": "Discard Selected Changes",
+                "icon": "$(discard)",
+                "category": "Git Tree Compare"
             }
         ],
         "menus": {

src/extension.ts

@@ -32,18 +32,18 @@ export function activate(context: ExtensionContext) {
         });
     });
 
-    commands.registerCommand(NAMESPACE + '.openFile', node => {
+    commands.registerCommand(NAMESPACE + '.openFile', (_, nodes) => {
         runAfterInit(() => {
-            provider!.openFile(node);
+            provider!.openFile(nodes);
         });
     });
-    
-    commands.registerCommand(NAMESPACE + '.discardChanges', node => {
+
+    commands.registerCommand(NAMESPACE + '.discardChanges', (_, nodes) => {
         runAfterInit(() => {
-            provider!.discardChanges(node);
+            provider!.discardChanges(nodes);
         });
     });
-    
+
     commands.registerCommand(NAMESPACE + '.discardAllChanges', () => {
         runAfterInit(() => {
             provider!.discardAllChanges();
@@ -99,7 +99,10 @@ export function activate(context: ExtensionContext) {
 
         const treeView = window.createTreeView(
             NAMESPACE,
-            {treeDataProvider: provider}
+            {
+                treeDataProvider: provider,
+                canSelectMany: true,
+            }
         );
 
         provider.init(treeView);

src/treeProvider.ts

@@ -829,12 +829,13 @@ export class GitTreeCompareProvider implements TreeDataProvider<Element>, Dispos
         }
     }
 
-    async openFile(fileEntry?: FileElement) {
-        const diffStatus = this.getDiffStatus(fileEntry);
-        if (!diffStatus) {
-            return;
+    async openFile(fileEntries: FileElement[]) {
+        for (const fileEntry of fileEntries) {
+            const diffStatus = this.getDiffStatus(fileEntry);
+            if (diffStatus) {
+                await this.doOpenFile(diffStatus.dstAbsPath, diffStatus.status);
+            }
         }
-        return this.doOpenFile(diffStatus.dstAbsPath, diffStatus.status);
     }
 
     async doOpenFile(dstAbsPath: string, status: StatusCode, preview=false) {
@@ -847,14 +848,16 @@ export class GitTreeCompareProvider implements TreeDataProvider<Element>, Dispos
         return commands.executeCommand('vscode.open', uri, options);
     }
 
-    async discardChanges(entry?: FileElement | FolderElement) {
+    async discardChanges(entries: (FileElement | FolderElement)[]) {
         let statuses: IDiffStatus[] = [];
-        if (entry instanceof FolderElement) {
-            statuses = [...this.iterFiles(entry.dstAbsPath)];
-        } else {
-            const diffStatus = this.getDiffStatus(entry);
-            if (diffStatus) {
-                statuses.push(diffStatus);
+        for (const entry of entries) {
+            if (entry instanceof FolderElement) {
+                statuses = statuses.concat([...this.iterFiles(entry.dstAbsPath)]);
+            } else {
+                const diffStatus = this.getDiffStatus(entry);
+                if (diffStatus) {
+                    statuses.push(diffStatus);
+                }
             }
         }
         await this.doDiscardChanges(statuses);