using System;
using System.Windows.Forms;
using PDFPatcher.Common;

namespace PDFPatcher.Functions.Editor
{
	sealed class LoadDocumentCommand : IEditorCommand
	{
		readonly bool _showDialog, _importBookmark;
		public LoadDocumentCommand(bool showDialog, bool importBookmark) {
			_showDialog = showDialog;
			_importBookmark = importBookmark;
		}

		public void Process(Controller controller, params string[] parameters) {
			if (_showDialog) {
				using (var f = new OpenFileDialog {
					DefaultExt = _importBookmark ? Constants.FileExtensions.Xml : Constants.FileExtensions.Pdf,
					Title = _importBookmark ? "打开需要导入的书签文件" : "打开需要编辑的文件",
					Filter = Constants.FileExtensions.AllEditableFilter
				}) {
					if (f.ShowDialog() != DialogResult.OK) {
						return;
					}
					parameters = new string[] { f.FileName };
				}
			}
			try {
				controller.LoadDocument(parameters[0], _importBookmark);
			}
			catch (Exception ex) {
				FormHelper.ErrorBox("在加载信息文件时出现错误：" + ex.Message);
			}
		}
	}
}