Add Copy Path and Copy Relative Path context menu items (#125)

Co-authored-by: letmaik <530988+letmaik@users.noreply.github.com>

Author: Copilot

package.json

@@ -153,6 +153,16 @@
                 "title": "Search Changes",
                 "icon": "$(search)",
                 "category": "Git Tree Compare"
+            },
+            {
+                "command": "gitTreeCompare.copyPath",
+                "title": "Copy Path",
+                "category": "Git Tree Compare"
+            },
+            {
+                "command": "gitTreeCompare.copyRelativePath",
+                "title": "Copy Relative Path",
+                "category": "Git Tree Compare"
             }
         ],
         "menus": {
@@ -261,19 +271,23 @@
                 },
                 {
                     "command": "gitTreeCompare.openChanges",
-                    "when": "view == gitTreeCompare && viewItem == file && !config.gitTreeCompare.openChanges"
+                    "when": "view == gitTreeCompare && viewItem == file && !config.gitTreeCompare.openChanges",
+                    "group": "1_open"
                 },
                 {
                     "command": "gitTreeCompare.openFile",
-                    "when": "view == gitTreeCompare && viewItem == file && config.gitTreeCompare.openChanges"
+                    "when": "view == gitTreeCompare && viewItem == file && config.gitTreeCompare.openChanges",
+                    "group": "1_open"
                 },
                 {
                     "command": "gitTreeCompare.discardChanges",
-                    "when": "view == gitTreeCompare && viewItem == file"
+                    "when": "view == gitTreeCompare && viewItem == file",
+                    "group": "2_discard"
                 },
                 {
                     "command": "gitTreeCompare.discardChanges",
-                    "when": "view == gitTreeCompare && viewItem == folder"
+                    "when": "view == gitTreeCompare && viewItem == folder",
+                    "group": "2_discard"
                 },
                 {
                     "command": "gitTreeCompare.discardAllChanges",
@@ -335,6 +349,16 @@
                 {
                     "command": "gitTreeCompare.switchToMergeDiff",
                     "when": "view == gitTreeCompare && viewItem == ref && config.gitTreeCompare.diffMode == full"
+                },
+                {
+                    "command": "gitTreeCompare.copyPath",
+                    "when": "view == gitTreeCompare && viewItem == file",
+                    "group": "3_copy"
+                },
+                {
+                    "command": "gitTreeCompare.copyRelativePath",
+                    "when": "view == gitTreeCompare && viewItem == file",
+                    "group": "3_copy"
                 }
             ]
         },

src/extension.ts

@@ -92,6 +92,12 @@ export function activate(context: ExtensionContext) {
     commands.registerCommand(NAMESPACE + '.searchChanges', () => {
         runAfterInit(() => provider!.searchChanges());
     });
+    commands.registerCommand(NAMESPACE + '.copyPath', node => {
+        runAfterInit(() => provider!.copyPath(node));
+    });
+    commands.registerCommand(NAMESPACE + '.copyRelativePath', node => {
+        runAfterInit(() => provider!.copyRelativePath(node));
+    });
 
     createGit(gitApi, outputChannel).then(async git => {
         const onOutput = (str: string) => outputChannel.append(str);

src/treeProvider.ts

@@ -5,7 +5,7 @@ import * as fs from 'fs'
 import { TreeDataProvider, TreeItem, TreeItemCollapsibleState,
          Uri, Disposable, EventEmitter, TextDocumentShowOptions,
          QuickPickItem, ProgressLocation, Memento, OutputChannel,
-         workspace, commands, window, WorkspaceFoldersChangeEvent, TreeView, ThemeIcon, TreeItemCheckboxState, TreeCheckboxChangeEvent } from 'vscode'
+         workspace, commands, window, env, WorkspaceFoldersChangeEvent, TreeView, ThemeIcon, TreeItemCheckboxState, TreeCheckboxChangeEvent } from 'vscode'
 import { NAMESPACE } from './constants'
 import { Repository, Git } from './git/git'
 import { Ref, RefType } from './git/api/git'
@@ -1215,6 +1215,25 @@ export class GitTreeCompareProvider implements TreeDataProvider<Element>, Dispos
         });
     }
 
+    async copyPath(fileEntry: FileElement) {
+        const diffStatus = this.getDiffStatus(fileEntry);
+        if (!diffStatus) {
+            return;
+        }
+        await env.clipboard.writeText(diffStatus.dstAbsPath);
+    }
+
+    async copyRelativePath(fileEntry: FileElement) {
+        const diffStatus = this.getDiffStatus(fileEntry);
+        if (!diffStatus) {
+            return;
+        }
+        // Calculate relative path from workspace folder root (not git repo root)
+        // Note: If the file is outside the workspace folder, the path will start with ../
+        const relativePath = path.relative(this.workspaceFolder, diffStatus.dstAbsPath);
+        await env.clipboard.writeText(relativePath);
+    }
+
     dispose(): void {
         this.disposables.forEach(d => d.dispose());
     }