photosadder.cs

这是一个小型的相片管理器

using System;
using System.Windows.Forms;
using System.IO;
using VirtualPhotoOrganizer.Photo;
using TXML;

namespace VirtualPhotoOrganizer.Util
{
	/// <summary>
	/// used for adding photos to an album
	/// </summary>
	internal class PhotosAdder
	{
		// lanugae strings
		private string LsAllFormats = "All supported Formats";
		private string LsFiles;
		private string LsFolder;
		private string LsDelete;
		private string LsDeleteQ;
		private const string MN = "PhotosAdder";

		public PhotosAdder() {
//			LoadLanguageStrings();
		}

		/// <summary>
		/// Shows an open file dialog and adds the selected photos to the specified album
		/// </summary>
		/// <returns>true if the dialog result was ok and false if it was cancel</returns>
		public bool AddPhotosFromFiles(Album a) {
			// create a new openFileDialog with the required options
			System.Windows.Forms.OpenFileDialog ofd = new OpenFileDialog();
			ofd.Multiselect = true;
			ofd.Filter = LsAllFormats + "|*.jpg;*.jpeg;*.tif;*.tiff;*.png;*.bmp;*.gif" + "|JPEGs (*.jpg, *.jpeg)|*.jpg;*.jpeg" + "|Tagged Image File Format (*.tif, *.tiff)|*.tif;*.tiff" + "|Portable Network Graphics (*.png)|*.png" + "|Windows Bitmaps (*.bmp)|*.bmp" + "|CompuServe Graphics Interchange (*.gif)|*.gif";
			ofd.FilterIndex = 0;

			// open the dialog, create a photos list and add the photos to the album
			if (ofd.ShowDialog() == DialogResult.OK) {
				bool deleteOrigs = false;
				if (MessageBox.Show(LsDeleteQ, LsDelete, MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
					deleteOrigs = true;
				AlbumCreator ac = new AlbumCreator();
				ac.AddPhotosToAlbum(a, GetPhotos(ofd.FileNames), deleteOrigs);
				return true;
			} else
				return false;
		}

		/// <summary>
		/// Shows a FolderBrowserDialog and adds all the supported photos in it to the specified album
		/// </summary>
		/// <returns>true if the dialog result was ok and false if it was cancel</returns>
		public bool AddPhotosFromDirectory(Album a) {
			// create a new folderBrowserDialog and show it
			System.Windows.Forms.FolderBrowserDialog fbd = new FolderBrowserDialog();

			// open the dialog, create a photos list and add the photos to the album
			if (fbd.ShowDialog() == DialogResult.OK) {
				bool deleteOrigs = false;
				if (MessageBox.Show(LsDeleteQ, LsDelete, MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
					deleteOrigs = true;
				AlbumCreator ac = new AlbumCreator();
				ac.AddPhotosToAlbum(a, GetPhotos(new DirectoryInfo(fbd.SelectedPath)), deleteOrigs);
				return true;
			} else
				return false;
		}

		#region helper methods

		private void LoadLanguageStrings() {
			try {
				TXmlReader reader = XmlHandler.OpenLangFile();

				LsAllFormats = reader.GetString(MN, "AllFormats", "All supported Formats");
				LsFiles = reader.GetString(MN, "Files", "Add Photos from Files");
				LsFolder = reader.GetString(MN, "Folder", "Add Photos from Folder");
				LsDeleteQ = reader.GetString(MN, "DeleteQ", "Do you want to delete the original images after copying them?");
				LsDelete = reader.GetString(MN, "Delete", "Delte Originals?");

				reader.Close();
			}
			catch {
				LsAllFormats = "All supported Formats";
				LsFiles = "Add Photos from Files";
				LsFolder = "Add Photos from Folder";
				LsDeleteQ = "Do you want to delete the original images after copying them?";
				LsDelete = "Delte Originals?";
			}
		}

		/// <summary>
		/// returns a list of photos from a string array
		/// </summary>
		private Photos GetPhotos(string[] fileNames) {
			Photos p = new Photos();
			foreach (string s in fileNames)
				p.Add(new Photo.Photo(s, "", GetFileNameFromPath(s), "", ""));
			return p;
		}

		/// <summary>
		/// returns a list of photos from a directory
		/// </summary>
		private Photos GetPhotos(DirectoryInfo dir) {
			Photos p = new Photos();

			string name;
			foreach (FileInfo fi in dir.GetFiles()) {
				name = fi.FullName;

				// add all files with a supported extension
				switch (fi.Extension.ToLower()) {
					case ".jpg": p.Add(new Photo.Photo(name, "", GetFileNameFromPath(name), "", ""));
						break;
					case ".tif": p.Add(new Photo.Photo(name, "", GetFileNameFromPath(name), "", ""));
						break;
					case ".png": p.Add(new Photo.Photo(name, "", GetFileNameFromPath(name), "", ""));
						break;
					case ".bmp": p.Add(new Photo.Photo(name, "", GetFileNameFromPath(name), "", ""));
						break;
					case ".gif": p.Add(new Photo.Photo(name, "", GetFileNameFromPath(name), "", ""));
						break;
					case ".jpeg": p.Add(new Photo.Photo(name, "", GetFileNameFromPath(name), "", ""));
						break;
					case ".tiff": p.Add(new Photo.Photo(name, "", GetFileNameFromPath(name), "", ""));
						break;
					default:
						break;
				}
			}

			return p;
		}

		/// <summary>
		/// Removes the directories from a given path and returnes only the file name
		/// </summary>
		private string GetFileNameFromPath(string path) {
			FileInfo fi = new FileInfo(path);
			return fi.Name;
		}

		#endregion
	}
}