public static bool NeedsRebuild(IInstanceBuilderContext context, ViewNode viewNode, string closedDocumentPath)
{
bool flag;
bool flag1;
if (!PlatformTypes.UserControl.Equals(viewNode.Type))
{
DocumentCompositeNode documentNode = viewNode.DocumentNode as DocumentCompositeNode;
IProperty property = documentNode.TypeResolver.ResolveProperty(DesignTimeProperties.ClassProperty);
if (documentNode != null && !documentNode.Properties.Contains(property))
{
string xamlSourcePath = viewNode.Type.XamlSourcePath;
if (!string.IsNullOrEmpty(xamlSourcePath))
{
if (closedDocumentPath != null && closedDocumentPath.Equals(xamlSourcePath))
{
return(true);
}
uint? changeStampWhenInstantiated = null;
IPreviewControl instance = viewNode.Instance as IPreviewControl;
if (instance != null)
{
changeStampWhenInstantiated = instance.ChangeStampWhenInstantiated;
}
IInstantiatedElementViewNode instantiatedElementViewNode = viewNode as IInstantiatedElementViewNode;
if (instantiatedElementViewNode != null)
{
foreach (object instantiatedElement in instantiatedElementViewNode.InstantiatedElements)
{
instance = instantiatedElement as IPreviewControl;
if (instance == null)
{
continue;
}
if (changeStampWhenInstantiated.HasValue && instance.ChangeStampWhenInstantiated.HasValue)
{
uint?nullable = changeStampWhenInstantiated;
uint?changeStampWhenInstantiated1 = instance.ChangeStampWhenInstantiated;
if ((nullable.GetValueOrDefault() != changeStampWhenInstantiated1.GetValueOrDefault() ? true : nullable.HasValue != changeStampWhenInstantiated1.HasValue))
{
flag = true;
return(flag);
}
}
if (changeStampWhenInstantiated.HasValue)
{
continue;
}
changeStampWhenInstantiated = instance.ChangeStampWhenInstantiated;
}
}
try
{
XamlDocument documentRoot = (XamlDocument)context.DocumentRootResolver.GetDocumentRoot(xamlSourcePath);
if (documentRoot == null)
{
return(false);
}
else
{
bool flag2 = UserControlInstanceBuilderHelper.ShouldUseDocumentForPreview(context, documentRoot);
if (changeStampWhenInstantiated.HasValue != flag2)
{
flag1 = true;
}
else if (!changeStampWhenInstantiated.HasValue)
{
flag1 = false;
}
else
{
uint?nullable1 = changeStampWhenInstantiated;
uint changeStamp = documentRoot.ChangeStamp;
flag1 = (nullable1.GetValueOrDefault() != changeStamp ? true : !nullable1.HasValue);
}
flag = flag1;
}
}
catch (IOException oException)
{
return(false);
}
return(flag);
}
}
}
return(false);
}
private static void PreviewFile(string path, object file, Type PreviewType, object caller, System.Windows.Point?pos)
{
System.Threading.Thread tt = new System.Threading.Thread(delegate()
{
try
{
if (file != null || File.Exists(path) || Directory.Exists(path))
{
if (PreviewType == null)
{
MessageBox.Show("Preview not available");
}
else
{
Type t = PreviewType;
if (t.GetInterface("IPreviewControl") != null)
{
Form f = new Form();
Panel pnl = new Panel();
pnl.Dock = System.Windows.Forms.DockStyle.Fill;
pnl.Location = new System.Drawing.Point(0, 0);
pnl.Name = "pnlPreview";
pnl.Size = new System.Drawing.Size(96, 77);
pnl.TabIndex = 1;
f.Controls.Add(pnl);
if (pnl.Controls.Count > 0)
{
Control pOld = pnl.Controls[0];
pOld.Dispose();
}
pnl.Controls.Clear();
IPreviewControl p = (IPreviewControl)Activator.CreateInstance(t);
pnl.Controls.Add((Control)p);
((Control)p).Dock = DockStyle.Fill;
f.Load += delegate(object sender, EventArgs e)
{
p.Preview(path);
};
f.StartPosition = FormStartPosition.CenterScreen;
f.ControlBox = false;
f.Text = "";
//f.SetDesktopLocation(
//f.FormBorderStyle = FormBorderStyle.None;
f.PreviewKeyDown += delegate(object sender, PreviewKeyDownEventArgs e)
{
if (e.KeyCode == Keys.Space)
{
f.Close();
}
};
((Control)p).PreviewKeyDown += delegate(object sender, PreviewKeyDownEventArgs e)
{
if (e.KeyCode == Keys.Space)
{
f.Close();
}
};
f.FormClosing += delegate(object sender, FormClosingEventArgs e)
{
if (OpenPreview == f)
{
OpenPreview = null;
}
};
OpenPreview = f;
Application.Run(f);
}
else
{
IPreview p = (IPreview)Activator.CreateInstance(t);
OpenPreview = p;
p.Preview(file, caller, pos);
}
}
}
}
catch (Exception)
{
MessageBox.Show("An error occured while loading preview control");
}
});
tt.SetApartmentState(System.Threading.ApartmentState.STA);
tt.Start();
}
