public SystemFolder(int objectId) : base(objectId)
{
ClientMarketData.SystemFolderRow systemFolderRow = ClientMarketData.SystemFolder.FindBySystemFolderId(objectId);
// These images are used to display the object in TreeViews, Properties Pages, etc.
System.Reflection.Assembly assembly = System.Reflection.Assembly.GetExecutingAssembly();
// 16x16 Image
SystemFolder.image16x16 =
new Bitmap(assembly.GetManifestResourceStream("MarkThree.Guardian.SystemFolder 16x16.png"));
SystemFolder.image16x16.Tag = string.Format("{0}.{1}", typeof(SystemFolder).FullName, "16x16");
// 16x16 SelectedImage
SystemFolder.selectedImage16x16 =
new Bitmap(assembly.GetManifestResourceStream("MarkThree.Guardian.SystemFolder 16x16.png"));
SystemFolder.selectedImage16x16.Tag = string.Format("{0}.{1}.{2}", typeof(SystemFolder).FullName, "16x16", "Selected");
// 32x23 Image
SystemFolder.image32x32 =
new Bitmap(assembly.GetManifestResourceStream("MarkThree.Guardian.SystemFolder 32x32.png"));
SystemFolder.image32x32.Tag = string.Format("{0}.{1}", typeof(SystemFolder).FullName, "32x32");
// 32x32 SelectedImage
SystemFolder.selectedImage32x32 =
new Bitmap(assembly.GetManifestResourceStream("MarkThree.Guardian.SystemFolder 32x32.png"));
SystemFolder.selectedImage32x32.Tag = string.Format("{0}.{1}.{2}", typeof(SystemFolder).FullName, "32x32", "Selected");
// Start the application off by opening up the start page.
string onOpenText = ConfigurationManager.AppSettings["OnOpen"];
if (onOpenText != null)
{
string[] onOpenArguments = onOpenText.Split(new char[] { ',' });
this.Url = onOpenArguments[2].Trim();
}
}
/// <summary>
/// This procedure is used to update the TreeView control from the background.
/// </summary>
private void FolderListThread(object parameter)
{
// This node acts as the root that we'll use to build the tree folder list tree. It will eventually be passed back to
// the message loop thread and into the TreeView control.
TreeNode rootNode = new TreeNode();
// This will hold the set of images associated with the objects in the tree. It is also passed to the foreground where
// it is used to generate the ImageList that holds the images for this TreeView. The images in this list are
// associated with the nodes in the view through the image tag, which serves as a unique identifier for the images.
ArrayList images = new ArrayList();
// The user identifier drives the selection of items for the navigation tree. The top level item will be the system
// folder(s) assigned to this user. But before the tree can be constructed, we need to know what user is currently
// logged in.
int userId = Preferences.UserId;
try
{
// Lock all the tables that we'll reference while building a blotter document.
System.Diagnostics.Debug.Assert(!ClientMarketData.IsLocked);
ClientMarketData.BlotterLock.AcquireReaderLock(CommonTimeout.LockWait);
ClientMarketData.FolderLock.AcquireReaderLock(CommonTimeout.LockWait);
ClientMarketData.ObjectLock.AcquireReaderLock(CommonTimeout.LockWait);
ClientMarketData.ObjectTreeLock.AcquireReaderLock(CommonTimeout.LockWait);
ClientMarketData.SystemFolderLock.AcquireReaderLock(CommonTimeout.LockWait);
ClientMarketData.TypeLock.AcquireReaderLock(CommonTimeout.LockWait);
ClientMarketData.UserLock.AcquireReaderLock(CommonTimeout.LockWait);
// Build the hierarchy by recursing into all the children of the user's folder.
ClientMarketData.UserRow userRow = ClientMarketData.User.FindByUserId(userId);
if (userRow != null && !userRow.IsSystemFolderIdNull())
{
ClientMarketData.SystemFolderRow systemFolderRow =
ClientMarketData.SystemFolder.FindBySystemFolderId(userRow.SystemFolderId);
rootNode.Nodes.Add(CreateTreeNode(images, systemFolderRow.FolderRow.ObjectRow));
}
}
catch (Exception exception)
{
// Catch the most general error and send it to the debug console.
EventLog.Error("{0}, {1}", exception.Message, exception.StackTrace);
}
finally
{
// Release the tables used to build the folder list.
if (ClientMarketData.BlotterLock.IsReaderLockHeld)
{
ClientMarketData.BlotterLock.ReleaseReaderLock();
}
if (ClientMarketData.FolderLock.IsReaderLockHeld)
{
ClientMarketData.FolderLock.ReleaseReaderLock();
}
if (ClientMarketData.ObjectLock.IsReaderLockHeld)
{
ClientMarketData.ObjectLock.ReleaseReaderLock();
}
if (ClientMarketData.ObjectTreeLock.IsReaderLockHeld)
{
ClientMarketData.ObjectTreeLock.ReleaseReaderLock();
}
if (ClientMarketData.SystemFolderLock.IsReaderLockHeld)
{
ClientMarketData.SystemFolderLock.ReleaseReaderLock();
}
if (ClientMarketData.TypeLock.IsReaderLockHeld)
{
ClientMarketData.TypeLock.ReleaseReaderLock();
}
if (ClientMarketData.UserLock.IsReaderLockHeld)
{
ClientMarketData.UserLock.ReleaseReaderLock();
}
System.Diagnostics.Debug.Assert(!ClientMarketData.IsLocked);
}
// At this point, the tree is complete. Pass the tree to the foreground for drawing.
Invoke(new TreeNodeDelegate(UpdateTree), new object[] { rootNode, images });
}
