317 lines
9.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using UniversalEditor.Accessors;
using UniversalEditor.ObjectModels.FileSystem;
using UniversalEditor.ObjectModels.PropertyList;
using UniversalEditor.DataFormats.Markup.XML;
using UniversalEditor.ObjectModels.Markup;
namespace UniversalEditor.UserInterface
{
public abstract class Engine
{
private static Engine[] m_AvailableEngines = null;
public static Engine[] GetAvailableEngines()
{
if (m_AvailableEngines == null)
{
string directory = System.IO.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string[] libraries = System.IO.Directory.GetFiles(directory, "*.dll");
List<Engine> engines = new List<Engine>();
foreach (string library in libraries)
{
try
{
Assembly assembly = Assembly.LoadFile(library);
Type[] types = null;
try
{
types = assembly.GetTypes();
}
catch (ReflectionTypeLoadException ex)
{
types = ex.Types;
}
if (types == null)
{
continue;
}
foreach (Type type in types)
{
if (type.IsSubclassOf(typeof(Engine)))
{
Engine engine = (Engine)type.Assembly.CreateInstance(type.FullName);
engines.Add(engine);
}
}
}
catch
{
}
}
m_AvailableEngines = engines.ToArray();
}
return m_AvailableEngines;
}
public static bool Execute()
{
Engine[] engines = GetAvailableEngines();
if (engines.Length < 1)
{
return false;
}
else if (engines.Length == 1)
{
engines[0].StartApplication();
}
else
{
engines[0].StartApplication();
}
return true;
}
protected abstract void MainLoop();
private Command.CommandCollection mvarCommands = new Command.CommandCollection();
/// <summary>
/// The commands defined for this application.
/// </summary>
public Command.CommandCollection Commands { get { return mvarCommands; } }
private EngineMainMenu mvarMainMenu = new EngineMainMenu();
/// <summary>
/// The main menu of this application, which can hold multiple <see cref="Command"/>s.
/// </summary>
public EngineMainMenu MainMenu { get { return mvarMainMenu; } }
/// <summary>
/// The aggregated raw markup of all the various XML files loaded in the current search path.
/// </summary>
private MarkupObjectModel mvarRawMarkup = new MarkupObjectModel();
private PropertyListObjectModel mvarConfiguration = new PropertyListObjectModel();
public PropertyListObjectModel Configuration { get { return mvarConfiguration; } }
private System.Collections.ObjectModel.ReadOnlyCollection<string> mvarSelectedFileNames = null;
public System.Collections.ObjectModel.ReadOnlyCollection<string> SelectedFileNames { get { return mvarSelectedFileNames; } }
private string mvarBasePath = String.Empty;
public string BasePath { get { return mvarBasePath; } }
private static string mvarDataPath = null;
public static string DataPath
{
get
{
if (mvarDataPath == null)
{
mvarDataPath = String.Join(System.IO.Path.DirectorySeparatorChar.ToString(), new string[]
{
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
"Mike Becker's Software",
"Universal Editor"
});
}
return mvarDataPath;
}
}
private IHostApplicationWindow mvarLastWindow = null;
public IHostApplicationWindow LastWindow { get { return mvarLastWindow; } set { mvarLastWindow = value; } }
// UniversalDataStorage.Editor.WindowsForms.Program
private void SingleInstanceManager_Callback(object sender, SingleInstanceManager.InstanceCallbackEventArgs e)
{
if (!e.IsFirstInstance)
{
if (LastWindow != null)
{
string[] FileNames = new string[e.CommandLineArgs.Length - 1];
for (int i = 1; i < e.CommandLineArgs.Length; i++)
{
FileNames[i - 1] = e.CommandLineArgs[i];
}
LastWindow.OpenFile(FileNames);
LastWindow.ActivateWindow();
}
}
}
protected virtual void InitializeXMLConfiguration()
{
#region Load the XML files
string[] xmlfiles = System.IO.Directory.GetFiles(mvarBasePath, "*.xml", System.IO.SearchOption.AllDirectories);
XMLDataFormat xdf = new XMLDataFormat();
foreach (string xmlfile in xmlfiles)
{
MarkupObjectModel markup = new MarkupObjectModel();
Document doc = new Document(markup, xdf, new FileAccessor(xmlfile));
doc.Accessor.Open ();
doc.Load ();
doc.Close ();
markup.CopyTo (mvarRawMarkup);
}
#endregion
#region Initialize the configuration with the loaded data
MarkupTagElement tagCommands = (mvarRawMarkup.FindElement ("UniversalEditor", "Application", "Commands") as MarkupTagElement);
if (tagCommands != null)
{
foreach (MarkupElement elCommand in tagCommands.Elements)
{
MarkupTagElement tagCommand = (elCommand as MarkupTagElement);
if (tagCommand == null) continue;
if (tagCommand.FullName != "Command") continue;
MarkupAttribute attID = tagCommand.Attributes["ID"];
if (attID == null) continue;
Command cmd = new Command();
cmd.ID = attID.Value;
MarkupAttribute attTitle = tagCommand.Attributes["Title"];
if (attTitle != null)
{
cmd.Title = attTitle.Value;
}
MarkupTagElement tagItems = (tagCommand.Elements["Items"] as MarkupTagElement);
if (tagItems != null)
{
foreach (MarkupElement el in tagItems.Elements)
{
MarkupTagElement tag = (el as MarkupTagElement);
if (tag == null) continue;
InitializeMainMenuItem(tag, cmd);
}
}
mvarCommands.Add (cmd);
}
}
MarkupTagElement tagMainMenuItems = (mvarRawMarkup.FindElement ("UniversalEditor", "Application", "MainMenu", "Items") as MarkupTagElement);
foreach (MarkupElement elItem in tagMainMenuItems.Elements)
{
MarkupTagElement tagItem = (elItem as MarkupTagElement);
if (tagItem == null) continue;
InitializeMainMenuItem(tagItem, null);
}
#endregion
}
private void InitializeMainMenuItem(MarkupTagElement tag, Command parent)
{
CommandItem item = null;
switch (tag.FullName)
{
case "CommandReference":
{
MarkupAttribute attCommandID = tag.Attributes["CommandID"];
if (attCommandID != null)
{
item = new CommandReferenceCommandItem(attCommandID.Value);
}
break;
}
case "Separator":
{
item = new SeparatorCommandItem();
break;
}
}
if (item != null)
{
if (parent == null)
{
mvarMainMenu.Items.Add(item);
}
else
{
parent.Items.Add(item);
}
}
}
protected virtual void InitializeBranding()
{
}
private RecentFileManager mvarRecentFileManager = new RecentFileManager();
public RecentFileManager RecentFileManager { get { return mvarRecentFileManager; } }
private BookmarksManager mvarBookmarksManager = new BookmarksManager();
public BookmarksManager BookmarksManager { get { return mvarBookmarksManager; } }
private SessionManager mvarSessionManager = new SessionManager();
public SessionManager SessionManager { get { return mvarSessionManager; } set { mvarSessionManager = value; } }
private static Engine mvarCurrentEngine = null;
public static Engine CurrentEngine { get { return mvarCurrentEngine; } }
public void StartApplication()
{
Engine.mvarCurrentEngine = this;
string[] args1 = Environment.GetCommandLineArgs();
string[] args = new string[args1.Length - 1];
Array.Copy(args1, 1, args, 0, args.Length);
System.Collections.ObjectModel.Collection<string> selectedFileNames = new System.Collections.ObjectModel.Collection<string>();
foreach (string commandLineArgument in args)
{
selectedFileNames.Add(commandLineArgument);
}
mvarSelectedFileNames = new System.Collections.ObjectModel.ReadOnlyCollection<string>(selectedFileNames);
// Set up the base path for the current application. Should this be able to be
// overridden with a switch (/basepath:...) ?
mvarBasePath = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
// Initialize the XML files
InitializeXMLConfiguration();
// Initialize the branding for the selected application
InitializeBranding();
// Initialize Recent File Manager
mvarRecentFileManager.DataFileName = DataPath + System.IO.Path.DirectorySeparatorChar.ToString() + "RecentItems.xml";
mvarRecentFileManager.Load();
// Initialize Bookmarks Manager
mvarBookmarksManager.DataFileName = DataPath + System.IO.Path.DirectorySeparatorChar.ToString() + "Bookmarks.xml";
mvarBookmarksManager.Load();
// Initialize Session Manager
mvarSessionManager.DataFileName = DataPath + System.IO.Path.DirectorySeparatorChar.ToString() + "Sessions.xml";
mvarSessionManager.Load();
string INSTANCEID = GetType().FullName + "$2d429aa3371c421fb63b42525e51a50c$92751853175891031214292357218181357901238$";
if (Configuration.GetValue<bool>("SingleInstanceUniquePerDirectory", true))
{
// The single instance should be unique per directory
INSTANCEID += System.Reflection.Assembly.GetEntryAssembly().Location;
}
if (!SingleInstanceManager.CreateSingleInstance(INSTANCEID, new EventHandler<SingleInstanceManager.InstanceCallbackEventArgs>(SingleInstanceManager_Callback))) return;
MainLoop();
}
}
}