[longomatch] Fixed several issues with database migraition tool

[Andoni Morales Alastruey <amorales src gnome org>]

commit 577617b85258e68246baba4f9900051d24ae409c
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Tue Aug 25 23:17:56 2009 +0200

    Fixed several issues with database migraition tool
    	Create a new thread to open the file
    	Disable 'Canel' button when importing

 LongoMatch/Compat/0.0/DatabaseMigrator.cs          |   33 ++++++++++++++++---
 LongoMatch/Gui/Migrator.cs                         |    9 +++--
 .../gtk-gui/LongoMatch.Gui.Dialog.Migrator.cs      |    2 +
 LongoMatch/gtk-gui/gui.stetic                      |    2 +
 4 files changed, 37 insertions(+), 9 deletions(-)
---
diff --git a/LongoMatch/Compat/0.0/DatabaseMigrator.cs b/LongoMatch/Compat/0.0/DatabaseMigrator.cs
index 36c77e7..bf217ab 100644
--- a/LongoMatch/Compat/0.0/DatabaseMigrator.cs
+++ b/LongoMatch/Compat/0.0/DatabaseMigrator.cs
@@ -49,6 +49,8 @@ namespace LongoMatch.Compat
 		
 		private string newDBFile;
 		
+		private PreviewMediaFile file;
+		
 		private Thread thread;		
 		
 		public DatabaseMigrator(string oldDBFile)
@@ -99,12 +101,13 @@ namespace LongoMatch.Compat
 		
 			//SendEvent("Creating backup of the old database");
 			foreach (v00.DB.Project oldProject in backupProjects){
-				PreviewMediaFile file;
+				
 				string localName, visitorName;
 				int localGoals, visitorGoals;
 				DateTime date;
 				Sections sections;
 				Project newProject;
+				Thread openFileThread;
 				
 				localName = oldProject.LocalName;
 				visitorName = oldProject.VisitorName;
@@ -113,12 +116,25 @@ namespace LongoMatch.Compat
 				date = oldProject.MatchDate;
 				SendEvent(String.Format("Trying to convert project {0}...",oldProject.Title));
 				try{
-					file = PreviewMediaFile.GetMediaFile(oldProject.File.FilePath);
-					//SendEvent(String.Format("[{0}]Getting properties of file {1}",oldProject.Title,oldProject.File.FilePath));
+					SendEvent(String.Format("[{0}]Getting properties of file {1}",oldProject.Title,oldProject.File.FilePath));
+					file = null;
+					//If file doesn't exits the metadata reader send and async message but doesn't not 
+					//throw any Exception. We have to check if file exist and if not throw an
+					//Excecptio to jump to 'catch'
+					if (!File.Exists(oldProject.File.FilePath))
+						throw new Exception();
+					//Now we try to read the file until it's opened
+					while(file==null){
+						openFileThread = new Thread (new ParameterizedThreadStart(OpenFile));
+						openFileThread.Start(oldProject.File.FilePath);
+						openFileThread.Join(5000);
+						if (openFileThread.IsAlive)
+							openFileThread.Abort();
+					}					
 				}
 				catch{
-					//SendEvent(String.Format("[{0}]Failed to open file {1} \n",oldProject.Title,oldProject.File.FilePath));
-					//SendEvent(String.Format("[{0}]Cannot scan the file properties\n, using default values",oldProject.Title));
+					SendEvent(String.Format("[{0}]Failed to open file {1} \n",oldProject.Title,oldProject.File.FilePath));
+					SendEvent(String.Format("[{0}]Cannot scan the file properties\n, using default values",oldProject.Title));
 					file = new PreviewMediaFile();
 					file.FilePath = oldProject.File.FilePath;
 					file.Fps = oldProject.File.Fps;
@@ -201,6 +217,7 @@ namespace LongoMatch.Compat
 			
 			SendEvent(DONE);
 		}	
+		
 		private void ChangeDBNamespace(string DBFile){
 			using (IObjectContainer db = Db4oFactory.OpenFile(DBFile))
 			{
@@ -224,7 +241,11 @@ namespace LongoMatch.Compat
 			}
 		}
 		
-		public void SendEvent (string message){
+		private void OpenFile(object filePath){
+			file =  PreviewMediaFile.GetMediaFile(filePath as string);
+		}
+		
+		private void SendEvent (string message){
 			if (ConversionProgressEvent != null)					
 						Application.Invoke(delegate {ConversionProgressEvent(message);});
 		}
diff --git a/LongoMatch/Gui/Migrator.cs b/LongoMatch/Gui/Migrator.cs
index 851dff1..f775bdb 100644
--- a/LongoMatch/Gui/Migrator.cs
+++ b/LongoMatch/Gui/Migrator.cs
@@ -122,9 +122,12 @@ namespace LongoMatch.Gui.Dialog
 		
 		protected virtual void OnButtonCancelClicked (object sender, System.EventArgs e)
 		{
-			dbMigrator.Cancel();
-			plMigrator.Cancel();
-			tpMigrator.Cancel();			
+			if (dbMigrator != null)
+				dbMigrator.Cancel();
+			if (plMigrator != null)
+				plMigrator.Cancel();
+			if (tpMigrator != null)
+				tpMigrator.Cancel();			
 		}	
 	}
 }
diff --git a/LongoMatch/gtk-gui/LongoMatch.Gui.Dialog.Migrator.cs b/LongoMatch/gtk-gui/LongoMatch.Gui.Dialog.Migrator.cs
index 41ece19..2957cbf 100644
--- a/LongoMatch/gtk-gui/LongoMatch.Gui.Dialog.Migrator.cs
+++ b/LongoMatch/gtk-gui/LongoMatch.Gui.Dialog.Migrator.cs
@@ -159,6 +159,7 @@ namespace LongoMatch.Gui.Dialog {
             w15.LayoutStyle = ((Gtk.ButtonBoxStyle)(4));
             // Container child dialog1_ActionArea.Gtk.ButtonBox+ButtonBoxChild
             this.buttonCancel = new Gtk.Button();
+            this.buttonCancel.Sensitive = false;
             this.buttonCancel.CanDefault = true;
             this.buttonCancel.CanFocus = true;
             this.buttonCancel.Name = "buttonCancel";
@@ -187,6 +188,7 @@ namespace LongoMatch.Gui.Dialog {
             }
             this.DefaultWidth = 821;
             this.DefaultHeight = 300;
+            this.buttonCancel.Hide();
             this.buttonOk.Hide();
             this.Show();
             this.buttonCancel.Clicked += new System.EventHandler(this.OnButtonCancelClicked);
diff --git a/LongoMatch/gtk-gui/gui.stetic b/LongoMatch/gtk-gui/gui.stetic
index 48d918e..ea0466a 100755
--- a/LongoMatch/gtk-gui/gui.stetic
+++ b/LongoMatch/gtk-gui/gui.stetic
@@ -4149,6 +4149,8 @@ If you are not sure about what you are doing, click ok</property>
         <child>
           <widget class="Gtk.Button" id="buttonCancel">
             <property name="MemberName" />
+            <property name="Visible">False</property>
+            <property name="Sensitive">False</property>
             <property name="CanDefault">True</property>
             <property name="CanFocus">True</property>
             <property name="UseStock">True</property>