Desktop: Multiple window support (#11181)

Co-authored-by: Laurent Cozic <laurent22@users.noreply.github.com>

packages/app-desktop/gui/WindowCommandsAndDialogs/commands/exportPdf.ts

@@ -0,0 +1,66 @@
+import { CommandRuntime, CommandDeclaration, CommandContext } from '@joplin/lib/services/CommandService';
+import shim from '@joplin/lib/shim';
+import InteropServiceHelper from '../../../InteropServiceHelper';
+import { _ } from '@joplin/lib/locale';
+import Note from '@joplin/lib/models/Note';
+import bridge from '../../../services/bridge';
+
+export const declaration: CommandDeclaration = {
+	name: 'exportPdf',
+	label: () => `PDF - ${_('PDF File')}`,
+};
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
+export const runtime = (comp: any): CommandRuntime => {
+	return {
+		execute: async (context: CommandContext, noteIds: string[] = null) => {
+			try {
+				noteIds = noteIds || context.state.selectedNoteIds;
+
+				if (!noteIds.length) throw new Error('No notes selected for pdf export');
+
+				let path = null;
+				if (noteIds.length === 1) {
+					path = await bridge().showSaveDialog({
+						filters: [{ name: _('PDF File'), extensions: ['pdf'] }],
+						defaultPath: await InteropServiceHelper.defaultFilename(noteIds[0], 'pdf'),
+					});
+				} else {
+					path = await bridge().showOpenDialog({
+						properties: ['openDirectory', 'createDirectory'],
+					});
+				}
+
+				if (Array.isArray(path)) {
+					if (path.length > 1) {
+						throw new Error('Only one output directory can be selected');
+					}
+
+					path = path[0];
+				}
+
+				if (!path) return;
+
+				for (let i = 0; i < noteIds.length; i++) {
+					const note = await Note.load(noteIds[i]);
+
+					let pdfPath = '';
+
+					if (noteIds.length === 1) {
+						pdfPath = path;
+					} else {
+						const n = await InteropServiceHelper.defaultFilename(note.id, 'pdf');
+						pdfPath = await shim.fsDriver().findUniqueFilename(`${path}/${n}`);
+					}
+
+					await comp.printTo_('pdf', { path: pdfPath, noteId: note.id });
+				}
+			} catch (error) {
+				console.error(error);
+				bridge().showErrorMessageBox(error.message);
+			}
+		},
+
+		enabledCondition: 'someNotesSelected',
+	};
+};