Refactors quick pick lists

src/quickPicks/fileHistory.ts

@@ -0,0 +1,49 @@
+'use strict';
+import { Iterables } from '../system';
+import { QuickPickOptions, Uri, window } from 'vscode';
+import { Commands } from '../commands';
+import { IGitLog } from '../gitProvider';
+import { CommitQuickPickItem } from './gitQuickPicks';
+import { CommandQuickPickItem, getQuickPickIgnoreFocusOut } from './quickPicks';
+
+export { CommandQuickPickItem, CommitQuickPickItem };
+
+export class FileHistoryQuickPick {
+
+    static async show(log: IGitLog, uri: Uri, maxCount: number, defaultMaxCount: number, goBackCommand?: CommandQuickPickItem): Promise<CommitQuickPickItem | CommandQuickPickItem | undefined> {
+        const items = Array.from(Iterables.map(log.commits.values(), c => new CommitQuickPickItem(c))) as (CommitQuickPickItem | CommandQuickPickItem)[];
+
+        if (maxCount !== 0 && items.length >= defaultMaxCount) {
+            items.splice(0, 0, new CommandQuickPickItem({
+                label: `$(sync) Show All Commits`,
+                description: `\u00a0 \u2014 \u00a0\u00a0 Currently only showing the first ${defaultMaxCount} commits`,
+                detail: `This may take a while`
+            }, Commands.ShowQuickFileHistory, [uri, 0, undefined, goBackCommand]));
+        }
+
+        // Only show the full repo option if we are the root
+        if (!goBackCommand) {
+            items.splice(0, 0, new CommandQuickPickItem({
+                label: `$(repo) Show Repository History`,
+                description: null,
+                detail: 'Shows the commit history of the repository'
+            }, Commands.ShowQuickRepoHistory, [undefined, undefined, undefined, new CommandQuickPickItem({
+                label: `go back \u21A9`,
+                description: null
+            }, Commands.ShowQuickFileHistory, [uri, maxCount])]));
+        }
+
+        if (goBackCommand) {
+            items.splice(0, 0, goBackCommand);
+        }
+
+        const commit = Iterables.first(log.commits.values());
+
+        return await window.showQuickPick(items, {
+            matchOnDescription: true,
+            matchOnDetail: true,
+            placeHolder: commit.getFormattedPath(),
+            ignoreFocusOut: getQuickPickIgnoreFocusOut()
+        } as QuickPickOptions);
+    }
+}