add an action to remove entry from history

src/vs/workbench/browser/parts/editor/editor.contribution.ts

@@ -36,7 +36,7 @@ import {CloseEditorsInGroupAction, CloseEditorsInOtherGroupsAction, CloseAllEdit
 	NavigateBetweenGroupsAction, FocusFirstGroupAction, FocusSecondGroupAction, FocusThirdGroupAction, EvenGroupWidthsAction, MaximizeGroupAction, MinimizeOtherGroupsAction, FocusPreviousGroup, FocusNextGroup, ShowEditorsInLeftGroupAction,
 	toEditorQuickOpenEntry, CloseLeftEditorsInGroupAction, CloseRightEditorsInGroupAction, OpenNextEditor, OpenPreviousEditor, NavigateBackwardsAction, NavigateForwardAction, ReopenClosedEditorAction, OpenPreviousEditorInGroupAction, NAVIGATE_IN_LEFT_GROUP_PREFIX,
 	GlobalQuickOpenAction, OpenPreviousEditorFromHistoryAction, QuickOpenNavigateNextAction, QuickOpenNavigatePreviousAction, ShowAllEditorsAction, NAVIGATE_ALL_EDITORS_GROUP_PREFIX, ClearEditorHistoryAction, ShowEditorsInCenterGroupAction,
-	NAVIGATE_IN_CENTER_GROUP_PREFIX, ShowEditorsInRightGroupAction, NAVIGATE_IN_RIGHT_GROUP_PREFIX
+	NAVIGATE_IN_CENTER_GROUP_PREFIX, ShowEditorsInRightGroupAction, NAVIGATE_IN_RIGHT_GROUP_PREFIX, RemoveFromEditorHistoryAction
 } from 'vs/workbench/browser/parts/editor/editorActions';
 
 // Register String Editor
@@ -391,5 +391,6 @@ registry.registerWorkbenchAction(new SyncActionDescriptor(NavigateBackwardsActio
 registry.registerWorkbenchAction(new SyncActionDescriptor(GlobalQuickOpenAction, GlobalQuickOpenAction.ID, GlobalQuickOpenAction.LABEL, quickOpenKb), 'Go to File...');
 registry.registerWorkbenchAction(new SyncActionDescriptor(OpenPreviousEditorFromHistoryAction, OpenPreviousEditorFromHistoryAction.ID, OpenPreviousEditorFromHistoryAction.LABEL), 'Open Previous Editor from History');
 registry.registerWorkbenchAction(new SyncActionDescriptor(ClearEditorHistoryAction, ClearEditorHistoryAction.ID, ClearEditorHistoryAction.LABEL), 'Clear Editor History');
+registry.registerWorkbenchAction(new SyncActionDescriptor(RemoveFromEditorHistoryAction, RemoveFromEditorHistoryAction.ID, RemoveFromEditorHistoryAction.LABEL), 'Remove From Editor History');
 registry.registerWorkbenchAction(new SyncActionDescriptor(QuickOpenNavigateNextAction, QuickOpenNavigateNextAction.ID, QuickOpenNavigateNextAction.LABEL, navigateKeybinding(false), KbExpr.has('inQuickOpen')), 'Navigate Next in Quick Open');
 registry.registerWorkbenchAction(new SyncActionDescriptor(QuickOpenNavigatePreviousAction, QuickOpenNavigatePreviousAction.ID, QuickOpenNavigatePreviousAction.LABEL, navigateKeybinding(true), KbExpr.has('inQuickOpen'), KeybindingsRegistry.WEIGHT.workbenchContrib(50)), 'Navigate Previous in Quick Open');
\ No newline at end of file

src/vs/workbench/browser/parts/editor/editorActions.ts

@@ -1022,6 +1022,40 @@ export class ClearEditorHistoryAction extends Action {
 	}
 }
 
+export class RemoveFromEditorHistoryAction extends Action {
+
+	public static ID = 'workbench.action.removeFromEditorHistory';
+	public static LABEL = nls.localize('removeFromEditorHistory', "Remove From Editor History");
+
+	constructor(
+		id: string,
+		label: string,
+		@IWorkbenchEditorService private editorService: IWorkbenchEditorService,
+		@IQuickOpenService private quickOpenService: IQuickOpenService,
+		@IHistoryService private historyService: IHistoryService
+	) {
+		super(id, label);
+	}
+
+	public run(): TPromise<any> {
+
+		// Listen for next editor to open
+		let unbind = this.editorService.onEditorOpening(e => {
+			unbind.dispose(); // listen once
+
+			e.prevent();
+			this.historyService.remove(e.editorInput);
+		});
+
+		// Bring up quick open
+		this.quickOpenService.show().then(() => {
+			unbind.dispose(); // make sure to unbind if quick open is closing
+		});
+
+		return TPromise.as(true);
+	}
+}
+
 export class BaseQuickOpenNavigateAction extends Action {
 	private navigateNext: boolean;