569 lines
17 KiB
C#
569 lines
17 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using UniversalEditor.Accessors;
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using UniversalEditor.ObjectModels.FileSystem;
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using UniversalEditor.ObjectModels.PropertyList;
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using UniversalEditor.DataFormats.Markup.XML;
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using UniversalEditor.ObjectModels.Markup;
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namespace UniversalEditor.UserInterface
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{
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public abstract class Engine
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{
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private static Engine[] m_AvailableEngines = null;
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public static Engine[] GetAvailableEngines()
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{
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if (m_AvailableEngines == null)
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{
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string directory = System.IO.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
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string[] libraries = System.IO.Directory.GetFiles(directory, "*.dll");
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List<Engine> engines = new List<Engine>();
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foreach (string library in libraries)
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{
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try
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{
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Assembly assembly = Assembly.LoadFile(library);
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Type[] types = null;
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try
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{
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types = assembly.GetTypes();
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}
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catch (ReflectionTypeLoadException ex)
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{
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types = ex.Types;
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}
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if (types == null)
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{
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continue;
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}
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foreach (Type type in types)
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{
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if (type.IsSubclassOf(typeof(Engine)))
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{
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Engine engine = (Engine)type.Assembly.CreateInstance(type.FullName);
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engines.Add(engine);
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}
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}
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}
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catch
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{
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}
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}
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m_AvailableEngines = engines.ToArray();
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}
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return m_AvailableEngines;
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}
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public bool AttachCommandEventHandler(string commandID, EventHandler handler)
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{
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Command cmd = Commands[commandID];
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if (cmd != null)
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{
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cmd.Executed += handler;
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return true;
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}
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Console.WriteLine("attempted to attach handler for unknown command '" + commandID + "'");
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return false;
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}
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protected virtual void BeforeInitialization()
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{
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}
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protected virtual void AfterInitialization()
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{
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}
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private void AfterInitializationInternal()
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{
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// Initialize all the commands that are common to UniversalEditor
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#region File
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AttachCommandEventHandler("FileNewDocument", delegate(object sender, EventArgs e)
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{
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LastWindow.NewFile();
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});
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AttachCommandEventHandler("FileNewProject", delegate(object sender, EventArgs e)
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{
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LastWindow.NewProject();
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});
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AttachCommandEventHandler("FileOpenDocument", delegate(object sender, EventArgs e)
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{
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LastWindow.OpenFile();
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});
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AttachCommandEventHandler("FileOpenProject", delegate(object sender, EventArgs e)
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{
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LastWindow.OpenProject();
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});
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AttachCommandEventHandler("FileSaveDocument", delegate(object sender, EventArgs e)
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{
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LastWindow.SaveFile();
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});
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AttachCommandEventHandler("FileSaveDocumentAs", delegate(object sender, EventArgs e)
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{
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LastWindow.SaveFileAs();
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});
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AttachCommandEventHandler("FileSaveProject", delegate(object sender, EventArgs e)
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{
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LastWindow.SaveProject();
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});
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AttachCommandEventHandler("FileSaveProjectAs", delegate(object sender, EventArgs e)
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{
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LastWindow.SaveProjectAs();
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});
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AttachCommandEventHandler("FileSaveAll", delegate(object sender, EventArgs e)
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{
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LastWindow.SaveAll();
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});
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AttachCommandEventHandler("FileCloseDocument", delegate(object sender, EventArgs e)
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{
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LastWindow.CloseFile();
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});
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AttachCommandEventHandler("FileExit", delegate(object sender, EventArgs e)
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{
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ExitApplication();
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});
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#endregion
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#region Tools
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// ToolsOptions should actually be under the Edit menu as "Preferences" on Linux systems
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AttachCommandEventHandler("ToolsOptions", delegate(object sender, EventArgs e)
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{
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LastWindow.ShowOptionsDialog();
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});
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#endregion
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#region Help
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Command helpLanguage = mvarCommands["HelpLanguage"];
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if (helpLanguage != null)
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{
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foreach (Language lang in mvarLanguages)
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{
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Command cmdLanguage = new Command();
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cmdLanguage.ID = "HelpLanguage_" + lang.ID;
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cmdLanguage.Title = lang.Title;
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cmdLanguage.Executed += delegate(object sender, EventArgs e)
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{
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HostApplication.Messages.Add(HostApplicationMessageSeverity.Notice, "Clicked language " + lang.ID);
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};
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mvarCommands.Add(cmdLanguage);
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helpLanguage.Items.Add(new CommandReferenceCommandItem("HelpLanguage_" + lang.ID));
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}
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}
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#endregion
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}
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public virtual void ExitApplication()
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{
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}
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private IHostApplicationWindowCollection mvarWindows = new IHostApplicationWindowCollection();
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public IHostApplicationWindowCollection Windows { get { return mvarWindows; } }
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public void CloseAllWindows()
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{
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List<IHostApplicationWindow> windowsToClose = new List<IHostApplicationWindow>();
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foreach (IHostApplicationWindow window in mvarWindows)
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{
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windowsToClose.Add(window);
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}
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foreach (IHostApplicationWindow window in windowsToClose)
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{
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window.CloseWindow();
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}
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}
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public static bool Execute()
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{
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Engine[] engines = GetAvailableEngines();
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if (engines.Length < 1)
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{
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return false;
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}
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else if (engines.Length == 1)
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{
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engines[0].StartApplication();
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}
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else
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{
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engines[0].StartApplication();
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}
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return true;
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}
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protected abstract void MainLoop();
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private Command.CommandCollection mvarCommands = new Command.CommandCollection();
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/// <summary>
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/// The commands defined for this application.
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/// </summary>
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public Command.CommandCollection Commands { get { return mvarCommands; } }
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private Language mvarDefaultLanguage = null;
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/// <summary>
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/// The default <see cref="Language"/> used to display translatable text in this application.
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/// </summary>
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public Language DefaultLanguage { get { return mvarDefaultLanguage; } set { mvarDefaultLanguage = value; } }
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private Language.LanguageCollection mvarLanguages = new Language.LanguageCollection();
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/// <summary>
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/// The languages defined for this application. Translations can be added through XML files in the ~/Languages folder.
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/// </summary>
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public Language.LanguageCollection Languages { get { return mvarLanguages; } }
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private EngineMainMenu mvarMainMenu = new EngineMainMenu();
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/// <summary>
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/// The main menu of this application, which can hold multiple <see cref="Command"/>s.
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/// </summary>
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public EngineMainMenu MainMenu { get { return mvarMainMenu; } }
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/// <summary>
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/// The aggregated raw markup of all the various XML files loaded in the current search path.
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/// </summary>
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private MarkupObjectModel mvarRawMarkup = new MarkupObjectModel();
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private PropertyListObjectModel mvarConfiguration = new PropertyListObjectModel();
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public PropertyListObjectModel Configuration { get { return mvarConfiguration; } }
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private System.Collections.ObjectModel.ReadOnlyCollection<string> mvarSelectedFileNames = null;
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public System.Collections.ObjectModel.ReadOnlyCollection<string> SelectedFileNames { get { return mvarSelectedFileNames; } }
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private string mvarBasePath = String.Empty;
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public string BasePath { get { return mvarBasePath; } }
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private static string mvarDataPath = null;
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public static string DataPath
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{
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get
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{
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if (mvarDataPath == null)
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{
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mvarDataPath = String.Join(System.IO.Path.DirectorySeparatorChar.ToString(), new string[]
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{
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Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
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"Mike Becker's Software",
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"Universal Editor"
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});
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}
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return mvarDataPath;
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}
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}
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private IHostApplicationWindow mvarLastWindow = null;
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public IHostApplicationWindow LastWindow { get { return mvarLastWindow; } set { mvarLastWindow = value; } }
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public void OpenFile(params string[] FileNames)
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{
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if (LastWindow == null)
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{
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OpenWindow(FileNames);
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return;
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}
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LastWindow.OpenFile(FileNames);
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}
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/// <summary>
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/// Opens a new window, optionally loading the specified documents.
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/// </summary>
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/// <param name="FileNames">The file name(s) of the document(s) to load.</param>
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/// <returns>An <see cref="IHostApplicationWindow"/> representing the window that was created.</returns>
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protected abstract IHostApplicationWindow OpenWindowInternal(params string[] FileNames);
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/// <summary>
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/// Opens a new window, optionally loading the specified documents.
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/// </summary>
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/// <param name="FileNames">The file name(s) of the document(s) to load.</param>
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public void OpenWindow(params string[] FileNames)
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{
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IHostApplicationWindow window = OpenWindowInternal(FileNames);
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window.WindowClosed += delegate(object sender, EventArgs e)
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{
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mvarWindows.Remove(window);
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};
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mvarWindows.Add(window);
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}
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// UniversalDataStorage.Editor.WindowsForms.Program
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private void SingleInstanceManager_Callback(object sender, SingleInstanceManager.InstanceCallbackEventArgs e)
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{
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if (!e.IsFirstInstance)
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{
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if (LastWindow != null)
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{
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string[] FileNames = new string[e.CommandLineArgs.Length - 1];
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for (int i = 1; i < e.CommandLineArgs.Length; i++)
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{
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FileNames[i - 1] = e.CommandLineArgs[i];
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}
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LastWindow.OpenFile(FileNames);
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LastWindow.ActivateWindow();
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}
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}
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}
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protected virtual void InitializeXMLConfiguration()
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{
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#region Load the XML files
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string[] xmlfiles = System.IO.Directory.GetFiles(mvarBasePath, "*.xml", System.IO.SearchOption.AllDirectories);
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XMLDataFormat xdf = new XMLDataFormat();
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foreach (string xmlfile in xmlfiles)
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{
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MarkupObjectModel markup = new MarkupObjectModel();
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Document doc = new Document(markup, xdf, new FileAccessor(xmlfile));
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doc.Accessor.DefaultEncoding = IO.Encoding.UTF8;
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doc.Accessor.Open ();
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doc.Load ();
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doc.Close ();
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markup.CopyTo (mvarRawMarkup);
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}
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#endregion
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#region Initialize the configuration with the loaded data
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MarkupTagElement tagCommands = (mvarRawMarkup.FindElement ("UniversalEditor", "Application", "Commands") as MarkupTagElement);
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if (tagCommands != null)
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{
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foreach (MarkupElement elCommand in tagCommands.Elements)
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{
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MarkupTagElement tagCommand = (elCommand as MarkupTagElement);
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if (tagCommand == null) continue;
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if (tagCommand.FullName != "Command") continue;
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MarkupAttribute attID = tagCommand.Attributes["ID"];
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if (attID == null) continue;
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Command cmd = new Command();
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cmd.ID = attID.Value;
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MarkupAttribute attTitle = tagCommand.Attributes["Title"];
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if (attTitle != null)
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{
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cmd.Title = attTitle.Value;
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}
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else
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{
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cmd.Title = cmd.ID;
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}
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MarkupTagElement tagItems = (tagCommand.Elements["Items"] as MarkupTagElement);
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if (tagItems != null)
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{
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foreach (MarkupElement el in tagItems.Elements)
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{
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MarkupTagElement tag = (el as MarkupTagElement);
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if (tag == null) continue;
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InitializeMainMenuItem(tag, cmd);
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}
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}
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mvarCommands.Add (cmd);
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}
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}
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MarkupTagElement tagMainMenuItems = (mvarRawMarkup.FindElement ("UniversalEditor", "Application", "MainMenu", "Items") as MarkupTagElement);
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foreach (MarkupElement elItem in tagMainMenuItems.Elements)
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{
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MarkupTagElement tagItem = (elItem as MarkupTagElement);
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if (tagItem == null) continue;
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InitializeMainMenuItem(tagItem, null);
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}
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MarkupTagElement tagLanguages = (mvarRawMarkup.FindElement("UniversalEditor", "Application", "Languages") as MarkupTagElement);
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foreach (MarkupElement elLanguage in tagLanguages.Elements)
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{
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MarkupTagElement tagLanguage = (elLanguage as MarkupTagElement);
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if (tagLanguage == null) continue;
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if (tagLanguage.FullName != "Language") continue;
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InitializeLanguage(tagLanguage);
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}
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MarkupAttribute attDefaultLanguageID = tagLanguages.Attributes["DefaultLanguageID"];
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if (attDefaultLanguageID != null)
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{
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mvarDefaultLanguage = mvarLanguages[attDefaultLanguageID.Value];
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}
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#endregion
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if (mvarDefaultLanguage != null)
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{
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foreach (Command cmd in mvarCommands)
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{
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cmd.Title = mvarDefaultLanguage.GetCommandTitle(cmd.ID, cmd.ID);
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}
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}
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}
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private void InitializeLanguage(MarkupTagElement tag)
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{
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Language lang = new Language();
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MarkupAttribute attID = tag.Attributes["ID"];
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if (attID == null) return;
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lang.ID = attID.Value;
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MarkupAttribute attTitle = tag.Attributes["Title"];
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if (attTitle != null)
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{
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lang.Title = attTitle.Value;
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}
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else
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{
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lang.Title = lang.ID;
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}
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MarkupTagElement tagStringTable = (tag.Elements["StringTable"] as MarkupTagElement);
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if (tagStringTable != null)
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{
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foreach (MarkupElement elStringTableEntry in tagStringTable.Elements)
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{
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MarkupTagElement tagStringTableEntry = (elStringTableEntry as MarkupTagElement);
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if (tagStringTableEntry == null) continue;
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if (tagStringTableEntry.FullName != "StringTableEntry") continue;
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MarkupAttribute attStringTableEntryID = tagStringTableEntry.Attributes["ID"];
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if (attStringTableEntryID == null) continue;
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MarkupAttribute attStringTableEntryValue = tagStringTableEntry.Attributes["Value"];
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if (attStringTableEntryValue == null) continue;
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lang.SetStringTableEntry(attStringTableEntryID.Value, attStringTableEntryValue.Value);
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}
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}
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MarkupTagElement tagCommands = (tag.Elements["Commands"] as MarkupTagElement);
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if (tagCommands != null)
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{
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foreach (MarkupElement elCommand in tagCommands.Elements)
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{
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MarkupTagElement tagCommand = (elCommand as MarkupTagElement);
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if (tagCommand == null) continue;
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if (tagCommand.FullName != "Command") continue;
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MarkupAttribute attCommandID = tagCommand.Attributes["ID"];
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if (attCommandID == null) continue;
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MarkupAttribute attCommandTitle = tagCommand.Attributes["Title"];
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if (attCommandTitle == null) continue;
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lang.SetCommandTitle(attCommandID.Value, attCommandTitle.Value);
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}
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}
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mvarLanguages.Add(lang);
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}
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private void InitializeMainMenuItem(MarkupTagElement tag, Command parent)
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{
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CommandItem item = null;
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switch (tag.FullName)
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{
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case "CommandReference":
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{
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MarkupAttribute attCommandID = tag.Attributes["CommandID"];
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if (attCommandID != null)
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{
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item = new CommandReferenceCommandItem(attCommandID.Value);
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}
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break;
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}
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case "Separator":
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{
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item = new SeparatorCommandItem();
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break;
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}
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}
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if (item != null)
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{
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if (parent == null)
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{
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mvarMainMenu.Items.Add(item);
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}
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else
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{
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parent.Items.Add(item);
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}
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}
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}
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protected virtual void InitializeBranding()
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{
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}
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private RecentFileManager mvarRecentFileManager = new RecentFileManager();
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public RecentFileManager RecentFileManager { get { return mvarRecentFileManager; } }
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private BookmarksManager mvarBookmarksManager = new BookmarksManager();
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public BookmarksManager BookmarksManager { get { return mvarBookmarksManager; } }
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private SessionManager mvarSessionManager = new SessionManager();
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public SessionManager SessionManager { get { return mvarSessionManager; } set { mvarSessionManager = value; } }
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private static Engine mvarCurrentEngine = null;
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public static Engine CurrentEngine { get { return mvarCurrentEngine; } }
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public void StartApplication()
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{
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Engine.mvarCurrentEngine = this;
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string[] args1 = Environment.GetCommandLineArgs();
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string[] args = new string[args1.Length - 1];
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Array.Copy(args1, 1, args, 0, args.Length);
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System.Collections.ObjectModel.Collection<string> selectedFileNames = new System.Collections.ObjectModel.Collection<string>();
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foreach (string commandLineArgument in args)
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{
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selectedFileNames.Add(commandLineArgument);
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}
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mvarSelectedFileNames = new System.Collections.ObjectModel.ReadOnlyCollection<string>(selectedFileNames);
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// Set up the base path for the current application. Should this be able to be
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// overridden with a switch (/basepath:...) ?
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mvarBasePath = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
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BeforeInitialization();
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// Initialize the XML files
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InitializeXMLConfiguration();
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// Initialize the branding for the selected application
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InitializeBranding();
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// Initialize Recent File Manager
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mvarRecentFileManager.DataFileName = DataPath + System.IO.Path.DirectorySeparatorChar.ToString() + "RecentItems.xml";
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mvarRecentFileManager.Load();
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// Initialize Bookmarks Manager
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mvarBookmarksManager.DataFileName = DataPath + System.IO.Path.DirectorySeparatorChar.ToString() + "Bookmarks.xml";
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mvarBookmarksManager.Load();
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|
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// Initialize Session Manager
|
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mvarSessionManager.DataFileName = DataPath + System.IO.Path.DirectorySeparatorChar.ToString() + "Sessions.xml";
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mvarSessionManager.Load();
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|
|
string INSTANCEID = GetType().FullName + "$2d429aa3371c421fb63b42525e51a50c$92751853175891031214292357218181357901238$";
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|
if (Configuration.GetValue<bool>("SingleInstanceUniquePerDirectory", true))
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{
|
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// The single instance should be unique per directory
|
|
INSTANCEID += System.Reflection.Assembly.GetEntryAssembly().Location;
|
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}
|
|
if (!SingleInstanceManager.CreateSingleInstance(INSTANCEID, new EventHandler<SingleInstanceManager.InstanceCallbackEventArgs>(SingleInstanceManager_Callback))) return;
|
|
|
|
AfterInitializationInternal();
|
|
AfterInitialization();
|
|
|
|
MainLoop();
|
|
}
|
|
}
|
|
}
|