WIP of Stash Explorer commands

# Conflicts:
#	src/commands/stashApply.ts

images/dark/icon-add.svg

@@ -0,0 +1 @@
+<svg width="16" height="16" xmlns="http://www.w3.org/2000/svg"><title>Layer 1</title><rect height="11" width="3" y="3" x="7" fill="#C5C5C5"/><rect height="3" width="11" y="7" x="3" fill="#C5C5C5"/></svg>

images/light/icon-add.svg

@@ -0,0 +1 @@
+<svg width="16" height="16" xmlns="http://www.w3.org/2000/svg"><title>Layer 1</title><rect height="11" width="3" y="3" x="7" fill="#424242"/><rect height="3" width="11" y="7" x="3" fill="#424242"/></svg>

package.json

@@ -947,10 +947,19 @@
                 "title": "Apply Stashed Changes",
                 "category": "GitLens"
             },
+            {
+                "command": "gitlens.stashDelete",
+                "title": "Delete Stashed Changes",
+                "category": "GitLens"
+            },
             {
                 "command": "gitlens.stashSave",
                 "title": "Stash Changes",
-                "category": "GitLens"
+                "category": "GitLens",
+                "icon": {
+                    "dark": "images/dark/icon-add.svg",
+                    "light": "images/light/icon-add.svg"
+                }
             },
             {
                 "command": "gitlens.resetSuppressedWarnings",
@@ -1312,6 +1321,11 @@
                     "command": "gitlens.stashExplorer.refresh",
                     "when": "gitlens:enabled && view == gitlens.stashExplorer",
                     "group": "navigation"
+                },
+                {
+                    "command": "gitlens.stashSave",
+                    "when": "gitlens:enabled && view == gitlens.stashExplorer",
+                    "group": "navigation"
                 }
             ],
             "view/item/context": [
@@ -1354,6 +1368,16 @@
                     "command": "gitlens.diffWithWorking",
                     "when": "gitlens:enabled && view == gitlens.stashExplorer && viewItem == commit-file",
                     "group": "2_gitlens@2"
+                },
+                {
+                    "command": "gitlens.stashApply",
+                    "when": "gitlens:enabled && view == gitlens.stashExplorer && viewItem == stash-commit",
+                    "group": "3_gitlens@1"
+                },
+                {
+                    "command": "gitlens.stashDelete",
+                    "when": "gitlens:enabled && view == gitlens.stashExplorer && viewItem == stash-commit",
+                    "group": "3_gitlens@1"
                 }
             ]
         },

src/commands/stashApply.ts

@@ -7,6 +7,7 @@ import { GlyphChars } from '../constants';
 import { CommitQuickPickItem, StashListQuickPick } from '../quickPicks';
 import { Logger } from '../logger';
 import { CommandQuickPickItem } from '../quickPicks';
+import { StashCommitNode } from '../views/stashCommitNode';
 
 export interface StashApplyCommandArgs {
     confirm?: boolean;
@@ -22,45 +23,59 @@ export class StashApplyCommand extends Command {
         super(Commands.StashApply);
     }
 
-    async execute(args: StashApplyCommandArgs = { confirm: true, deleteAfter: false }) {
+    async execute(args: StashApplyCommandArgs | StashCommitNode = { confirm: true, deleteAfter: false }) {
         if (!this.git.repoPath) return undefined;
 
-        args = { ...args };
-        if (args.stashItem === undefined || args.stashItem.stashName === undefined) {
-            const stash = await this.git.getStashList(this.git.repoPath);
-            if (stash === undefined) return window.showInformationMessage(`There are no stashed changes`);
+        if (args instanceof StashCommitNode) {
+            try {
+                const ret = await this.git.stashApply(this.git.repoPath, args.commit.stashName, false);
+                args.refreshNode();
+                return ret;
+            } catch (ex) {
+                return this._errorHandling(ex);
+            }
+        } else {
+            args = { ...args };
+            if (args.stashItem === undefined || args.stashItem.stashName === undefined) {
+                const stash = await this.git.getStashList(this.git.repoPath);
+                if (stash === undefined) return window.showInformationMessage(`There are no stashed changes`);
 
-            const currentCommand = new CommandQuickPickItem({
-                label: `go back ${GlyphChars.ArrowBack}`,
-                description: `${Strings.pad(GlyphChars.Dash, 2, 3)} to apply stashed changes`
-            }, Commands.StashApply, [args]);
+                const currentCommand = new CommandQuickPickItem({
+                    label: `go back ${GlyphChars.ArrowBack}`,
+                    description: `${Strings.pad(GlyphChars.Dash, 2, 3)} to apply stashed changes`
+                }, Commands.StashApply, [args]);
 
-            const pick = await StashListQuickPick.show(this.git, stash, 'apply', args.goBackCommand, currentCommand);
-            if (pick === undefined || !(pick instanceof CommitQuickPickItem)) return args.goBackCommand === undefined ? undefined : args.goBackCommand.execute();
+                const pick = await StashListQuickPick.show(this.git, stash, 'apply', args.goBackCommand, currentCommand);
+                if (pick === undefined || !(pick instanceof CommitQuickPickItem)) return args.goBackCommand === undefined ? undefined : args.goBackCommand.execute();
 
-            args.goBackCommand = currentCommand;
-            args.stashItem = pick.commit as GitStashCommit;
-        }
-
-        try {
-            if (args.confirm) {
-                const message = args.stashItem.message.length > 80 ? `${args.stashItem.message.substring(0, 80)}${GlyphChars.Ellipsis}` : args.stashItem.message;
-                const result = await window.showWarningMessage(`Apply stashed changes '${message}' to your working tree?`, { title: 'Yes, delete after applying' } as MessageItem, { title: 'Yes' } as MessageItem, { title: 'No', isCloseAffordance: true } as MessageItem);
-                if (result === undefined || result.title === 'No') return args.goBackCommand === undefined ? undefined : args.goBackCommand.execute();
-
-                args.deleteAfter = result.title !== 'Yes';
+                args.goBackCommand = currentCommand;
+                args.stashItem = pick.commit as GitStashCommit;
             }
 
-            return await this.git.stashApply(this.git.repoPath, args.stashItem.stashName, args.deleteAfter);
-        }
-        catch (ex) {
-            Logger.error(ex, 'StashApplyCommand');
-            if (ex.message.includes('Your local changes to the following files would be overwritten by merge')) {
-                return window.showErrorMessage(`Unable to apply stash. Your working tree changes would be overwritten.`);
+            try {
+                if (args.confirm) {
+                    const message = args.stashItem.message.length > 80 ? `${args.stashItem.message.substring(0, 80)}${GlyphChars.Ellipsis}` : args.stashItem.message;
+                    const result = await window.showWarningMessage(`Apply stashed changes '${message}' to your working tree?`, { title: 'Yes, delete after applying' } as MessageItem, { title: 'Yes' } as MessageItem, { title: 'No', isCloseAffordance: true } as MessageItem);
+                    if (result === undefined || result.title === 'No') return args.goBackCommand === undefined ? undefined : args.goBackCommand.execute();
+
+                    args.deleteAfter = result.title !== 'Yes';
+                }
+
+                return await this.git.stashApply(this.git.repoPath, args.stashItem.stashName, args.deleteAfter);
             }
-            else {
-                return window.showErrorMessage(`Unable to apply stash. See output channel for more details`);
+            catch (ex) {
+                return this._errorHandling(ex);
             }
         }
     }
+
+    private _errorHandling(ex: any) {
+        Logger.error(ex, 'StashApplyCommand');
+        if (ex.message.includes('Your local changes to the following files would be overwritten by merge')) {
+            return window.showErrorMessage(`Unable to apply stash. Your working tree changes would be overwritten.`);
+        }
+        else {
+            return window.showErrorMessage(`Unable to apply stash. See output channel for more details`);
+        }
+    }
 }

src/commands/stashDelete.ts

@@ -5,6 +5,7 @@ import { GlyphChars } from '../constants';
 import { GitService } from '../gitService';
 import { Logger } from '../logger';
 import { CommandQuickPickItem } from '../quickPicks';
+import { StashCommitNode } from '../views/stashCommitNode';
 
 export interface StashDeleteCommandArgs {
     confirm?: boolean;
@@ -19,8 +20,16 @@ export class StashDeleteCommand extends Command {
         super(Commands.StashDelete);
     }
 
-    async execute(args: StashDeleteCommandArgs = { confirm: true }) {
+    async execute(args: StashDeleteCommandArgs | StashCommitNode = { confirm: true }) {
         if (!this.git.repoPath) return undefined;
+        let stashCommitNode = undefined;
+        if (args instanceof StashCommitNode) {
+            stashCommitNode = args;
+            args = {
+                confirm: true,
+                stashItem: args.commit
+            };
+        }
 
         args = { ...args };
         if (args.stashItem === undefined || args.stashItem.stashName === undefined) return undefined;
@@ -36,7 +45,11 @@ export class StashDeleteCommand extends Command {
                 if (result === undefined || result.title !== 'Yes') return args.goBackCommand === undefined ? undefined : args.goBackCommand.execute();
             }
 
-            return await this.git.stashDelete(this.git.repoPath, args.stashItem.stashName);
+            const ret = await this.git.stashDelete(this.git.repoPath, args.stashItem.stashName);
+            if (stashCommitNode) {
+                stashCommitNode.refreshNode();
+            }
+            return ret;
         }
         catch (ex) {
             Logger.error(ex, 'StashDeleteCommand');

src/views/explorerNode.ts

@@ -1,7 +1,6 @@
 'use strict';
-import { ExtensionContext, TreeItem } from 'vscode';
+import { Event, ExtensionContext, TreeItem} from 'vscode';
 import { GitService, GitUri } from '../gitService';
-
 export declare type ResourceType = 'status' | 'branches' | 'repository' | 'branch-history' | 'file-history' | 'stash-history' | 'commit' | 'stash-commit' | 'commit-file';
 
 export abstract class ExplorerNode {
@@ -12,4 +11,7 @@ export abstract class ExplorerNode {
 
     abstract getChildren(): ExplorerNode[] | Promise<ExplorerNode[]>;
     abstract getTreeItem(): TreeItem | Promise<TreeItem>;
+
+    onDidChangeTreeData?: Event<ExplorerNode>;
+    refreshNode?(): void;
 }

src/views/stashCommitNode.ts

@@ -1,5 +1,5 @@
 'use strict';
-import { ExtensionContext, TreeItem, TreeItemCollapsibleState } from 'vscode';
+import { Event, EventEmitter, ExtensionContext, TreeItem, TreeItemCollapsibleState } from 'vscode';
 import { CommitFileNode } from './commitFileNode';
 import { ExplorerNode, ResourceType } from './explorerNode';
 import { CommitFormatter, GitService, GitStashCommit, GitUri } from '../gitService';
@@ -8,6 +8,15 @@ export class StashCommitNode extends ExplorerNode {
 
     readonly resourceType: ResourceType = 'stash-commit';
 
+    private _onDidChangeTreeData = new EventEmitter<ExplorerNode>();
+    public get onDidChangeTreeData(): Event<ExplorerNode> {
+        return this._onDidChangeTreeData.event;
+    }
+
+    public refreshNode() {
+        this._onDidChangeTreeData.fire();
+    }
+
     constructor(public readonly commit: GitStashCommit, context: ExtensionContext, git: GitService) {
         super(new GitUri(commit.uri, commit), context, git);
     }

src/views/stashExplorer.ts

@@ -2,7 +2,6 @@
 import { commands, Event, EventEmitter, ExtensionContext, TreeDataProvider, TreeItem, Uri } from 'vscode';
 import { ExplorerNode, StashNode } from './explorerNodes';
 import { GitService, GitUri } from '../gitService';
-import { StashCommitNode } from './stashCommitNode';
 
 export * from './explorerNodes';
 
@@ -10,7 +9,7 @@ export class StashExplorer implements TreeDataProvider<ExplorerNode>  {
 
     private _node: ExplorerNode;
     private _onDidChangeTreeData = new EventEmitter<ExplorerNode>();
-    public get onDidChangeTreeData(): Event<StashCommitNode> {
+    public get onDidChangeTreeData(): Event<ExplorerNode> {
         return this._onDidChangeTreeData.event;
     }
 
@@ -28,6 +27,11 @@ export class StashExplorer implements TreeDataProvider<ExplorerNode>  {
     }
 
     async getTreeItem(node: ExplorerNode): Promise<TreeItem> {
+        if (node.onDidChangeTreeData) {
+            node.onDidChangeTreeData(() => {
+                this._onDidChangeTreeData.fire();
+            });
+        }
         return node.getTreeItem();
     }