add row status on status bar for queries (#1841)

src/sql/parts/query/common/rowCountStatus.ts

@@ -0,0 +1,92 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as WorkbenchUtils from 'sql/workbench/common/sqlWorkbenchUtils';
+import { IQueryModelService } from '../execution/queryModel';
+import QueryRunner from 'sql/parts/query/execution/queryRunner';
+
+import { IStatusbarItem } from 'vs/workbench/browser/parts/statusbar/statusbar';
+import { IDisposable, combinedDisposable, dispose } from 'vs/base/common/lifecycle';
+import { IEditorGroupService } from 'vs/workbench/services/group/common/groupService';
+import { IWorkbenchEditorService } from 'vs/workbench/services/editor/common/editorService';
+import { IEditorCloseEvent } from 'vs/workbench/common/editor';
+import { append, $, hide, show } from 'vs/base/browser/dom';
+import * as nls from 'vs/nls';
+
+export class RowCountStatusBarItem implements IStatusbarItem {
+
+	private _element: HTMLElement;
+	private _flavorElement: HTMLElement;
+
+	private dispose: IDisposable;
+
+	constructor(
+		@IWorkbenchEditorService private _editorService: IWorkbenchEditorService,
+		@IEditorGroupService private _editorGroupService: IEditorGroupService,
+		@IQueryModelService private _queryModelService: IQueryModelService
+	) { }
+
+	render(container: HTMLElement): IDisposable {
+		let disposables = [
+			this._editorGroupService.onEditorsChanged(this._onEditorsChanged, this),
+			this._editorGroupService.getStacksModel().onEditorClosed(this._onEditorClosed, this)
+		];
+
+		this._element = append(container, $('.query-statusbar-group'));
+		this._flavorElement = append(this._element, $('a.editor-status-selection'));
+		this._flavorElement.title = nls.localize('rowStatus', "Row Count");
+		hide(this._flavorElement);
+
+		this._showStatus();
+
+		return combinedDisposable(disposables);
+	}
+
+	private _onEditorsChanged() {
+		this._showStatus();
+	}
+
+	private _onEditorClosed(event: IEditorCloseEvent) {
+		hide(this._flavorElement);
+	}
+
+	// Show/hide query status for active editor
+	private _showStatus(): void {
+		hide(this._flavorElement);
+		dispose(this.dispose);
+		let activeEditor = this._editorService.getActiveEditor();
+		if (activeEditor) {
+			let currentUri = WorkbenchUtils.getEditorUri(activeEditor.input);
+			if (currentUri) {
+				let queryRunner = this._queryModelService.getQueryRunner(currentUri);
+				if (queryRunner) {
+					if (queryRunner.hasCompleted) {
+						this._displayValue(queryRunner);
+					} else if (queryRunner.isExecuting) {
+						this.dispose = queryRunner.addListener('complete', () => {
+							this._displayValue(queryRunner);
+						});
+					}
+				} else {
+					this.dispose = this._queryModelService.onRunQueryComplete(e => {
+						if (e === currentUri) {
+							this._displayValue(this._queryModelService.getQueryRunner(currentUri));
+						}
+					});
+				}
+			}
+		}
+	}
+
+	private _displayValue(runner: QueryRunner) {
+		let number = runner.batchSets.reduce((p, c) => {
+			return p + c.resultSetSummaries.reduce((rp, rc) => {
+				return rp + rc.rowCount;
+			}, 0);
+		}, 0);
+		this._flavorElement.innerText = nls.localize('rowCount', "{0} rows", number);
+		show(this._flavorElement);
+	}
+}