add copy keybind (#2445)

src/sql/base/browser/ui/table/plugins/copyKeybind.plugin.ts

@@ -0,0 +1,62 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import { StandardKeyboardEvent } from 'vs/base/browser/keyboardEvent';
+import { KeyCode, KeyMod } from 'vs/base/common/keyCodes';
+import { Emitter, Event } from 'vs/base/common/event';
+import { isUndefinedOrNull } from 'vs/base/common/types';
+
+/**
+ * Implements the various additional navigation  keybindings we want out of slickgrid
+ */
+export class CopyKeybind<T> implements Slick.Plugin<T> {
+	private grid: Slick.Grid<T>;
+	private handler = new Slick.EventHandler();
+
+	private _onCopy = new Emitter<Slick.Range[]>();
+	public onCopy: Event<Slick.Range[]> = this._onCopy.event;
+
+	public init(grid: Slick.Grid<T>) {
+		this.grid = grid;
+		this.handler.subscribe(this.grid.onKeyDown, (e, args) => this.handleKeyDown(e, args));
+	}
+
+	public destroy() {
+		this.handler.unsubscribeAll();
+	}
+
+	private handleKeyDown(e: KeyboardEvent, args: Slick.OnKeyDownEventArgs<T>): void {
+		let event = new StandardKeyboardEvent(e);
+		let handled = false;
+
+		if (event.equals(KeyCode.KEY_C | KeyMod.CtrlCmd)) {
+			handled = true;
+			let selectionModel = this.grid.getSelectionModel();
+			let ranges: Slick.Range[];
+			// check to see if we can get the range from the model directly
+			if (selectionModel && (<any>selectionModel).getSelectedRanges) {
+				ranges = (<any>selectionModel).getSelectedRanges();
+			} else {
+				let selectedRows = this.grid.getSelectedRows();
+				let startColumn = 0;
+				// check for number column
+				if (!isUndefinedOrNull(this.grid.getColumns()[0].selectable) && !this.grid.getColumns()[0].selectable) {
+					startColumn = 1;
+				}
+				ranges = [new Slick.Range(selectedRows[0], startColumn, selectedRows[selectedRows.length - 1], this.grid.getColumns().length)]
+			}
+			this._onCopy.fire(ranges);
+		}
+
+		if (handled) {
+			e.preventDefault();
+			e.stopPropagation();
+			e.stopImmediatePropagation();
+		}
+	}
+
+}