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code-server/lib/vscode/src/vs/editor/contrib/clipboard/clipboard.ts
2021-04-09 11:32:27 +05:30

247 lines
9.4 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as nls from 'vs/nls';
import * as browser from 'vs/base/browser/browser';
import { KeyCode, KeyMod } from 'vs/base/common/keyCodes';
import * as platform from 'vs/base/common/platform';
import { CopyOptions, InMemoryClipboardMetadataManager } from 'vs/editor/browser/controller/textAreaInput';
import { ICodeEditor } from 'vs/editor/browser/editorBrowser';
import { EditorAction, registerEditorAction, Command, MultiCommand } from 'vs/editor/browser/editorExtensions';
import { ICodeEditorService } from 'vs/editor/browser/services/codeEditorService';
import { EditorContextKeys } from 'vs/editor/common/editorContextKeys';
import { MenuRegistry, MenuId } from 'vs/platform/actions/common/actions';
import { ServicesAccessor } from 'vs/platform/instantiation/common/instantiation';
import { KeybindingWeight } from 'vs/platform/keybinding/common/keybindingsRegistry';
import { EditorOption } from 'vs/editor/common/config/editorOptions';
import { IClipboardService } from 'vs/platform/clipboard/common/clipboardService';
import { Handler } from 'vs/editor/common/editorCommon';
const CLIPBOARD_CONTEXT_MENU_GROUP = '9_cutcopypaste';
const supportsCut = (platform.isNative || document.queryCommandSupported('cut'));
const supportsCopy = (platform.isNative || document.queryCommandSupported('copy'));
// Firefox only supports navigator.clipboard.readText() in browser extensions.
// See https://developer.mozilla.org/en-US/docs/Web/API/Clipboard/readText#Browser_compatibility
// When loading over http, navigator.clipboard can be undefined. See https://github.com/microsoft/monaco-editor/issues/2313
const supportsPaste = (typeof navigator.clipboard === 'undefined' || browser.isFirefox) ? document.queryCommandSupported('paste') : true;
function registerCommand<T extends Command>(command: T): T {
command.register();
return command;
}
export const CutAction = supportsCut ? registerCommand(new MultiCommand({
id: 'editor.action.clipboardCutAction',
precondition: undefined,
kbOpts: (
// Do not bind cut keybindings in the browser,
// since browsers do that for us and it avoids security prompts
platform.isNative ? {
primary: KeyMod.CtrlCmd | KeyCode.KEY_X,
win: { primary: KeyMod.CtrlCmd | KeyCode.KEY_X, secondary: [KeyMod.Shift | KeyCode.Delete] },
weight: KeybindingWeight.EditorContrib
} : undefined
),
menuOpts: [{
menuId: MenuId.MenubarEditMenu,
group: '2_ccp',
title: nls.localize({ key: 'miCut', comment: ['&& denotes a mnemonic'] }, "Cu&&t"),
order: 1
}, {
menuId: MenuId.EditorContext,
group: CLIPBOARD_CONTEXT_MENU_GROUP,
title: nls.localize('actions.clipboard.cutLabel', "Cut"),
when: EditorContextKeys.writable,
order: 1,
}, {
menuId: MenuId.CommandPalette,
group: '',
title: nls.localize('actions.clipboard.cutLabel', "Cut"),
order: 1
}]
})) : undefined;
export const CopyAction = supportsCopy ? registerCommand(new MultiCommand({
id: 'editor.action.clipboardCopyAction',
precondition: undefined,
kbOpts: (
// Do not bind copy keybindings in the browser,
// since browsers do that for us and it avoids security prompts
platform.isNative ? {
primary: KeyMod.CtrlCmd | KeyCode.KEY_C,
win: { primary: KeyMod.CtrlCmd | KeyCode.KEY_C, secondary: [KeyMod.CtrlCmd | KeyCode.Insert] },
weight: KeybindingWeight.EditorContrib
} : undefined
),
menuOpts: [{
menuId: MenuId.MenubarEditMenu,
group: '2_ccp',
title: nls.localize({ key: 'miCopy', comment: ['&& denotes a mnemonic'] }, "&&Copy"),
order: 2
}, {
menuId: MenuId.EditorContext,
group: CLIPBOARD_CONTEXT_MENU_GROUP,
title: nls.localize('actions.clipboard.copyLabel', "Copy"),
order: 2,
}, {
menuId: MenuId.CommandPalette,
group: '',
title: nls.localize('actions.clipboard.copyLabel', "Copy"),
order: 1
}]
})) : undefined;
MenuRegistry.appendMenuItem(MenuId.MenubarEditMenu, { submenu: MenuId.MenubarCopy, title: { value: nls.localize('copy as', "Copy As"), original: 'Copy As', }, group: '2_ccp', order: 3 });
MenuRegistry.appendMenuItem(MenuId.EditorContext, { submenu: MenuId.EditorContextCopy, title: { value: nls.localize('copy as', "Copy As"), original: 'Copy As', }, group: CLIPBOARD_CONTEXT_MENU_GROUP, order: 3 });
export const PasteAction = supportsPaste ? registerCommand(new MultiCommand({
id: 'editor.action.clipboardPasteAction',
precondition: undefined,
kbOpts: (
// Do not bind paste keybindings in the browser,
// since browsers do that for us and it avoids security prompts
platform.isNative ? {
primary: KeyMod.CtrlCmd | KeyCode.KEY_V,
win: { primary: KeyMod.CtrlCmd | KeyCode.KEY_V, secondary: [KeyMod.Shift | KeyCode.Insert] },
linux: { primary: KeyMod.CtrlCmd | KeyCode.KEY_V, secondary: [KeyMod.Shift | KeyCode.Insert] },
weight: KeybindingWeight.EditorContrib
} : undefined
),
menuOpts: [{
menuId: MenuId.MenubarEditMenu,
group: '2_ccp',
title: nls.localize({ key: 'miPaste', comment: ['&& denotes a mnemonic'] }, "&&Paste"),
order: 4
}, {
menuId: MenuId.EditorContext,
group: CLIPBOARD_CONTEXT_MENU_GROUP,
title: nls.localize('actions.clipboard.pasteLabel', "Paste"),
when: EditorContextKeys.writable,
order: 4,
}, {
menuId: MenuId.CommandPalette,
group: '',
title: nls.localize('actions.clipboard.pasteLabel', "Paste"),
order: 1
}]
})) : undefined;
class ExecCommandCopyWithSyntaxHighlightingAction extends EditorAction {
constructor() {
super({
id: 'editor.action.clipboardCopyWithSyntaxHighlightingAction',
label: nls.localize('actions.clipboard.copyWithSyntaxHighlightingLabel', "Copy With Syntax Highlighting"),
alias: 'Copy With Syntax Highlighting',
precondition: undefined,
kbOpts: {
kbExpr: EditorContextKeys.textInputFocus,
primary: 0,
weight: KeybindingWeight.EditorContrib
}
});
}
public run(accessor: ServicesAccessor, editor: ICodeEditor): void {
if (!editor.hasModel()) {
return;
}
const emptySelectionClipboard = editor.getOption(EditorOption.emptySelectionClipboard);
if (!emptySelectionClipboard && editor.getSelection().isEmpty()) {
return;
}
CopyOptions.forceCopyWithSyntaxHighlighting = true;
editor.focus();
document.execCommand('copy');
CopyOptions.forceCopyWithSyntaxHighlighting = false;
}
}
function registerExecCommandImpl(target: MultiCommand | undefined, browserCommand: 'cut' | 'copy'): void {
if (!target) {
return;
}
// 1. handle case when focus is in editor.
target.addImplementation(10000, 'code-editor', (accessor: ServicesAccessor, args: any) => {
// Only if editor text focus (i.e. not if editor has widget focus).
const focusedEditor = accessor.get(ICodeEditorService).getFocusedCodeEditor();
if (focusedEditor && focusedEditor.hasTextFocus()) {
// Do not execute if there is no selection and empty selection clipboard is off
const emptySelectionClipboard = focusedEditor.getOption(EditorOption.emptySelectionClipboard);
const selection = focusedEditor.getSelection();
if (selection && selection.isEmpty() && !emptySelectionClipboard) {
return true;
}
document.execCommand(browserCommand);
return true;
}
return false;
});
// 2. (default) handle case when focus is somewhere else.
target.addImplementation(0, 'generic-dom', (accessor: ServicesAccessor, args: any) => {
document.execCommand(browserCommand);
return true;
});
}
registerExecCommandImpl(CutAction, 'cut');
registerExecCommandImpl(CopyAction, 'copy');
if (PasteAction) {
// 1. Paste: handle case when focus is in editor.
PasteAction.addImplementation(10000, 'code-editor', (accessor: ServicesAccessor, args: any) => {
const codeEditorService = accessor.get(ICodeEditorService);
const clipboardService = accessor.get(IClipboardService);
// Only if editor text focus (i.e. not if editor has widget focus).
const focusedEditor = codeEditorService.getFocusedCodeEditor();
if (focusedEditor && focusedEditor.hasTextFocus()) {
const result = document.execCommand('paste');
// Use the clipboard service if document.execCommand('paste') was not successful
if (!result && platform.isWeb) {
(async () => {
const clipboardText = await clipboardService.readText();
if (clipboardText !== '') {
const metadata = InMemoryClipboardMetadataManager.INSTANCE.get(clipboardText);
let pasteOnNewLine = false;
let multicursorText: string[] | null = null;
let mode: string | null = null;
if (metadata) {
pasteOnNewLine = (focusedEditor.getOption(EditorOption.emptySelectionClipboard) && !!metadata.isFromEmptySelection);
multicursorText = (typeof metadata.multicursorText !== 'undefined' ? metadata.multicursorText : null);
mode = metadata.mode;
}
focusedEditor.trigger('keyboard', Handler.Paste, {
text: clipboardText,
pasteOnNewLine,
multicursorText,
mode
});
}
})();
return true;
}
return true;
}
return false;
});
// 2. Paste: (default) handle case when focus is somewhere else.
PasteAction.addImplementation(0, 'generic-dom', (accessor: ServicesAccessor, args: any) => {
document.execCommand('paste');
return true;
});
}
if (supportsCopy) {
registerEditorAction(ExecCommandCopyWithSyntaxHighlightingAction);
}