Save edit data scroll position when switching tabs (#2129)

src/sql/parts/editData/common/editDataInput.ts

@@ -16,6 +16,7 @@ import { INotificationService } from 'vs/platform/notification/common/notificati
 import Severity from 'vs/base/common/severity';
 import { UntitledEditorInput } from 'vs/workbench/common/editor/untitledEditorInput';
 import { EditDataResultsInput } from 'sql/parts/editData/common/editDataResultsInput';
+import { IEditorViewState } from 'vs/editor/common/editorCommon';
 
 /**
  * Input for the EditDataEditor.
@@ -37,6 +38,8 @@ export class EditDataInput extends EditorInput implements IConnectableInput {
 	private _css: HTMLStyleElement;
 	private _useQueryFilter: boolean;
 
+	public savedViewState: IEditorViewState;
+
 	constructor(
 		private _uri: URI,
 		private _schemaName,

src/sql/parts/editData/common/editDataResultsInput.ts

@@ -8,6 +8,7 @@
 import { localize } from 'vs/nls';
 import { TPromise } from 'vs/base/common/winjs.base';
 import { EditorInput } from 'vs/workbench/common/editor';
+import { Emitter } from 'vs/base/common/event';
 
 /**
  * Input for the EditDataResultsEditor. This input helps with logic for the viewing and editing of
@@ -25,6 +26,9 @@ export class EditDataResultsInput extends EditorInput {
 	private _editorContainer: HTMLElement;
 	public css: HTMLStyleElement;
 
+	public readonly onRestoreViewStateEmitter = new Emitter<void>();
+	public readonly onSaveViewStateEmitter = new Emitter<void>();
+
 	constructor(private _uri: string) {
 		super();
 		this._visible = false;

src/sql/parts/editData/editor/editDataEditor.ts

@@ -13,7 +13,7 @@ import { Builder } from 'vs/base/browser/builder';
 
 import { EditorOptions, EditorInput } from 'vs/workbench/common/editor';
 import { BaseEditor } from 'vs/workbench/browser/parts/editor/baseEditor';
-import { Position, IEditorControl, IEditor } from 'vs/platform/editor/common/editor';
+import { Position, IEditorControl, IEditor, IEditorInput } from 'vs/platform/editor/common/editor';
 
 import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
 import { IThemeService } from 'vs/platform/theme/common/themeService';
@@ -43,6 +43,8 @@ import { IFlexibleSash, VerticalFlexibleSash, HorizontalFlexibleSash } from 'sql
 import { Orientation } from 'vs/base/browser/ui/sash/sash';
 import { EditDataResultsEditor } from 'sql/parts/editData/editor/editDataResultsEditor';
 import { EditDataResultsInput } from 'sql/parts/editData/common/editDataResultsInput';
+import { IEditorViewState } from 'vs/editor/common/editorCommon';
+import { Emitter } from 'vs/base/common/event';
 
 /**
  * Editor that hosts an action bar and a resultSetInput for an edit data session
@@ -96,6 +98,14 @@ export class EditDataEditor extends BaseEditor {
 		if (contextKeyService) {
 			this._queryEditorVisible = queryContext.QueryEditorVisibleContext.bindTo(contextKeyService);
 		}
+
+		if (_editorGroupService) {
+			_editorGroupService.onEditorOpening(e => {
+				if (this.isVisible() && (e.input !== this.input || e.position !== this.position)) {
+					this.saveEditorViewState();
+				}
+			});
+		}
 	}
 
 	// PUBLIC METHODS ////////////////////////////////////////////////////////////
@@ -594,7 +604,15 @@ export class EditDataEditor extends BaseEditor {
 		// Run all three steps synchronously
 		return createEditors()
 			.then(onEditorsCreated)
-			.then(doLayout);
+			.then(doLayout)
+			.then(() => {
+				if (newInput.results) {
+					newInput.results.onRestoreViewStateEmitter.fire();
+				}
+				if (newInput.savedViewState) {
+					this._sqlEditor.getControl().restoreViewState(newInput.savedViewState);
+				}
+			});
 	}
 
 	private _setSashDimension(): void {
@@ -631,7 +649,6 @@ export class EditDataEditor extends BaseEditor {
 	 * has been opened with the same editor, or we are opening the editor for the first time).
 	 */
 	private _updateInput(oldInput: EditDataInput, newInput: EditDataInput, options?: EditorOptions): TPromise<void> {
-
 		if (this._sqlEditor) {
 			this._sqlEditor.clearInput();
 		}
@@ -727,4 +744,16 @@ export class EditDataEditor extends BaseEditor {
 	public queryPaneEnabled(): boolean {
 		return this.editDataInput.queryPaneEnabled;
 	}
+
+	private saveEditorViewState(): void {
+		let editDataInput = this.input as EditDataInput;
+		if (editDataInput) {
+			if (this._sqlEditor) {
+				editDataInput.savedViewState = this._sqlEditor.getControl().saveViewState();
+			}
+			if (editDataInput.results) {
+				editDataInput.results.onSaveViewStateEmitter.fire();
+			}
+		}
+	}
 }

src/sql/parts/editData/editor/editDataResultsEditor.ts

@@ -23,6 +23,7 @@ import { IEditDataComponentParams } from 'sql/services/bootstrap/bootstrapParams
 import { EditDataModule } from 'sql/parts/grid/views/editData/editData.module';
 import { EDITDATA_SELECTOR } from 'sql/parts/grid/views/editData/editData.component';
 import { EditDataResultsInput } from 'sql/parts/editData/common/editDataResultsInput';
+import { Event } from 'vs/base/common/event';
 
 export class EditDataResultsEditor extends BaseEditor {
 
@@ -109,7 +110,11 @@ export class EditDataResultsEditor extends BaseEditor {
 		// Otherwise many components will be left around and be subscribed
 		// to events from the backing data service
 		const parent = input.container;
-		let params: IEditDataComponentParams = { dataService: dataService };
+		let params: IEditDataComponentParams = {
+			dataService: dataService,
+			onSaveViewState: input.onSaveViewStateEmitter.event,
+			onRestoreViewState: input.onRestoreViewStateEmitter.event
+		};
 		bootstrapAngular(this._instantiationService,
 			EditDataModule,
 			parent,