Initial Flickr Plugin code

git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@698 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4

GreenshotFlickrPlugin/FlickrPlugin.cs

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+/*
+ * Greenshot - a free and open source screenshot tool
+ * Copyright (C) 2007-2010  Thomas Braun, Jens Klingen, Robin Krom
+ * 
+ * For more information see: http://getgreenshot.org/
+ * The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 1 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using System.Reflection;
+using System.Runtime.Serialization.Formatters.Binary;
+using System.Text;
+using System.Windows.Forms;
+
+using Greenshot.Plugin;
+using GreenshotPlugin.Core;
+using Microsoft.Win32;
+
+namespace GreenshotFlickrPlugin {
+	/// <summary>
+	/// OCR Plugin Greenshot
+	/// </summary>
+	public class FlickrPlugin : IGreenshotPlugin {
+		private static log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(FlickrPlugin));
+		private const string CONFIG_FILENAME = "flickr-config.properties";
+		private ILanguage lang = Language.GetInstance();
+		private IGreenshotPluginHost host;
+		private ICaptureHost captureHost = null;
+		private PluginAttribute myAttributes;
+		private Properties config = new Properties();
+
+		public FlickrPlugin() { }
+
+		/// <summary>
+		/// Implementation of the IGreenshotPlugin.Initialize
+		/// </summary>
+		/// <param name="host">Use the IGreenshotPluginHost interface to register events</param>
+		/// <param name="captureHost">Use the ICaptureHost interface to register in the MainContextMenu</param>
+		/// <param name="pluginAttribute">My own attributes</param>
+		public void Initialize(IGreenshotPluginHost host, ICaptureHost captureHost, PluginAttribute myAttributes) {
+			LOG.Debug("Initialize called of " + myAttributes.Name);
+			this.host = (IGreenshotPluginHost)host;
+			this.captureHost = captureHost;
+			this.myAttributes = myAttributes;
+			
+			host.OnImageEditorOpen += new OnImageEditorOpenHandler(ImageEditorOpened);
+	
+			// Make sure the MODI-DLLs are found by adding a resolver
+			AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(MyAssemblyResolver);
+
+			LoadConfig();
+		}
+
+		/// <summary>
+		/// Implementation of the OnImageEditorOpen event
+		/// Using the ImageEditor interface to register in the plugin menu
+		/// </summary>
+		private void ImageEditorOpened(object sender, ImageEditorOpenEventArgs eventArgs) {
+			ToolStripMenuItem toolStripMenuItem = eventArgs.ImageEditor.GetPluginMenuItem();
+			ToolStripMenuItem item = new ToolStripMenuItem();
+			item.Text = "Upload to Flickr";
+			item.Tag = eventArgs.ImageEditor;
+			item.Click += new System.EventHandler(EditMenuClick);
+			toolStripMenuItem.DropDownItems.Add(item);
+		}
+
+		/// <summary>
+		/// Implementation of the IGreenshotPlugin.Shutdown
+		/// </summary>
+		public void Shutdown() {
+			LOG.Debug("Shutdown of " + myAttributes.Name);
+			host.OnImageEditorOpen -= new OnImageEditorOpenHandler(ImageEditorOpened);
+		}
+
+		/// <summary>
+		/// Implementation of the IPlugin.Configure
+		/// </summary>
+		public virtual void Configure() {
+			StringBuilder stringBuilder = new StringBuilder();
+			stringBuilder.AppendLine("This plugin doesn't have a configuration screen.");
+			stringBuilder.AppendLine("Configuration is stored at: " + Path.Combine(host.ConfigurationPath, CONFIG_FILENAME));
+			MessageBox.Show(stringBuilder.ToString());
+		}
+
+		/// <summary>
+		/// This method helps to resolve the MODI DLL files
+		/// </summary>
+		/// <param name="sender">object which is starting the resolve</param>
+		/// <param name="args">ResolveEventArgs describing the Assembly that needs to be found</param>
+		/// <returns></returns>
+		private Assembly MyAssemblyResolver(object sender, ResolveEventArgs args) {
+			string dllPath = Path.GetDirectoryName(myAttributes.DllFile);
+			string dllFilename = args.Name.Substring(0, args.Name.IndexOf(",")) + ".dll";
+			LOG.Debug("Resolving: " + dllFilename);
+			if (dllFilename.StartsWith("Flickr")) {
+				return Assembly.LoadFile(Path.Combine(dllPath, dllFilename));
+			}
+			return null;
+		}
+
+		private void LoadConfig() {
+			string filename = Path.Combine(host.ConfigurationPath, CONFIG_FILENAME);
+			if (File.Exists(filename)) {
+				LOG.Debug("Loading configuration from: " + filename);
+				config = Properties.read(filename);
+			}
+			bool changed = false;
+			if (config == null) {
+				config = new Properties();
+				changed = true;
+			}
+			if (changed) {
+				SaveConfig();
+			}
+
+		}
+
+		private void SaveConfig() {
+			string filename = Path.Combine(host.ConfigurationPath, CONFIG_FILENAME);
+			LOG.Debug("Saving configuration to: " + filename);
+			config.write(filename, "# The configuration file for the Greenshot Flickr Plugin");
+		}
+
+		/// <summary>
+		/// This will be called when the menu item in the Editor is clicked
+		/// </summary>
+		public void EditMenuClick(object sender, EventArgs eventArgs) {
+			ToolStripMenuItem item = (ToolStripMenuItem)sender;
+			IImageEditor imageEditor = (IImageEditor)item.Tag;
+			FlickrUploadForm uploader = new FlickrUploadForm();
+			DialogResult result = uploader.ShowDialog();
+			if (result == DialogResult.OK) {
+				using (MemoryStream stream = new MemoryStream()) {
+					imageEditor.SaveToStream(stream, "PNG", 100);
+					stream.Seek(0, SeekOrigin.Begin);
+					try {
+						uploader.upload(stream);
+						MessageBox.Show(lang.GetString(LangKey.upload_success));
+					} catch(Exception e) {
+						MessageBox.Show(lang.GetString(LangKey.upload_failure) + " " + e.Message);
+					}
+				}
+			}
+		}
+	}
+}