protected override void OnDrawNode(DrawTreeNodeEventArgs e)
{
if (e.Node is ILibraryTreeNode)
{
ILibraryTreeNode ltn = (ILibraryTreeNode)e.Node;
if (ltn.NeedsUpdate)
{
Font f = e.Node.NodeFont ?? this.Font;
SizeF textSize = e.Graphics.MeasureString(e.Node.Text, f);
Bitmap bmp;
if (updateHoverNode == e.Node)
{
if (isMouseDown)
{
bmp = Properties.Resources.update_d;
}
else
{
bmp = Properties.Resources.update_o;
}
}
else
{
bmp = Properties.Resources.update_n;
}
Rectangle rectUpdate = new Rectangle(new Point(e.Node.Bounds.X + (int)textSize.Width + 10, e.Bounds.Y), bmp.Size);
e.Graphics.DrawImageUnscaled(bmp, rectUpdate.Location);
ltn.UpdateRectangle = rectUpdate;
}
}
e.DrawDefault = true;
}
private void CheckNodesForUpdates(TreeNodeCollection col, ref bool hasUpdates)
{
foreach (TreeNode tn in col)
{
if (tn is ILibraryTreeNode)
{
ILibraryTreeNode ltn = (ILibraryTreeNode)tn;
if (ltn.CanUpdate)
{
string path = MainForm.CurrentStage.WorkingFolderFull + tn.FullPath;
if (File.Exists(path))
{
DateTime curTime = File.GetLastWriteTimeUtc(path);
if (ltn.Date.AddSeconds(5) < curTime)
{
ltn.NeedsUpdate = true;
hasUpdates = true;
}
}
}
else if (tn.Nodes.Count > 0)
{
CheckNodesForUpdates(tn.Nodes, ref hasUpdates);
}
}
}
}
public void ResetImage()
{
if (selectedItem != null)
{
ILibraryTreeNode ltn = selectedItem;
ltn.RenderThumbnail((Bitmap)pictureBox.Image);
pictureBox.SizeMode = PictureBoxSizeMode.CenterImage;
pictureBox.Invalidate();
}
}
void LibraryTreeView_MouseLeave(object sender, EventArgs e)
{
this.MouseMove -= new MouseEventHandler(LibraryTreeView_MouseMove);
isMouseDown = false;
if (updateHoverNode != null)
{
Rectangle r = updateHoverNode.UpdateRectangle;
updateHoverNode = null;
InvalidateUpdate(r);
}
}
public void Clear()
{
symbolTree.Nodes.Clear();
if (pictureBox.Image != null)
{
Graphics g = Graphics.FromImage(pictureBox.Image);
GraphicsUnit unit = GraphicsUnit.Pixel;
g.FillRectangle(Brushes.White, pictureBox.Image.GetBounds(ref unit));
g.Dispose();
pictureBox.Invalidate();
}
selectedItem = null;
this.Invalidate();
}
public void LoadCurrentLibrary()
{
selectedItem = null;
symbolTree.Nodes.Clear();
Library lib = MainForm.CurrentLibrary;
uint[] keys = lib.Keys;
for (uint i = 0; i < keys.Length; i++)
{
LibraryItem li = lib[keys[i]];
if (!(li.Definition is Vex.Symbol) && li.Definition.Id != MainForm.CurrentStage.RootId)
{
AddItemToLibrary(li);
}
}
this.Invalidate();
}
void LibraryTreeView_MouseClick(object sender, MouseEventArgs e)
{
// Update library element, not undoable so no command stack
ILibraryTreeNode ltn = (ILibraryTreeNode)GetNodeAt(e.Location);
if (ltn != null && ltn.NeedsUpdate && ltn.UpdateRectangle.Contains(e.Location))
{
ltn.NeedsUpdate = false;
isMouseDown = false;
Rectangle r = updateHoverNode.UpdateRectangle;
updateHoverNode = null;
InvalidateUpdate(r);
// todo: move import off the UI thread
string path = MainForm.CurrentStage.WorkingFolderFull + GetNodePath((TreeNode)ltn);
ImportFileCommand ifc = new ImportFileCommand(path);
ifc.Execute();
ltn.ResetDate();
MainForm.CurrentLibraryView.Invalidate();
MainForm.CurrentStage.InvalidateAll();
}
}
void LibraryTreeView_MouseMove(object sender, MouseEventArgs e)
{
ILibraryTreeNode ltn = (ILibraryTreeNode)GetNodeAt(e.Location);
if (ltn != null && ltn.NeedsUpdate && ltn.UpdateRectangle.Contains(e.Location))
{
if (updateHoverNode != ltn)
{
updateHoverNode = ltn;
InvalidateUpdate(ltn.UpdateRectangle);
}
}
else
{
isMouseDown = false;
if (updateHoverNode != null && updateHoverNode != ltn)
{
Rectangle r = updateHoverNode.UpdateRectangle;
updateHoverNode = null;
InvalidateUpdate(r);
}
}
}
void symbolTree_AfterSelect(object sender, TreeViewEventArgs e)
{
selectedItem = (ILibraryTreeNode)symbolTree.SelectedNode;
symbolTree.Update();
ResetImage();
}