void OnShowElementMenu(object sender, AcceptElementLocationEventArgs e)
{
if (e.Element is Node && ((Node)e.Element).Tag is ShaderProcedureNodeTag)
{
var tag = (ShaderProcedureNodeTag)((Node)e.Element).Tag;
nodeMenu.Tag = tag.Id;
nodeMenu.Show(e.Position);
e.Cancel = false;
}
if (e.Element is Node && ((Node)e.Element).Tag is ShaderParameterNodeTag)
{
var tag = (ShaderParameterNodeTag)((Node)e.Element).Tag;
parameterBoxMenu.Tag = tag.Id;
parameterBoxMenu.Show(e.Position);
e.Cancel = false;
}
else if (e.Element is ShaderFragmentNodeItem)
{
var tag = (ShaderFragmentNodeItem)e.Element;
if (tag.ArchiveName != null)
{
ShaderParameterUtil.EditParameter(graphControl, tag.ArchiveName);
e.Cancel = false;
}
}
else if (e.Element is NodeConnector && ((NodeConnector)e.Element).Item is ShaderFragmentNodeItem)
{
var tag = (ShaderFragmentNodeItem)((NodeConnector)e.Element).Item;
if (tag.ArchiveName != null)
{
ShaderParameterUtil.EditParameter(graphControl, tag.ArchiveName);
e.Cancel = false;
}
}
else
{
// if you don't want to show a menu for this item (but perhaps show a menu for something more higher up)
// then you can cancel the event
e.Cancel = true;
}
}
void OnShowElementMenu(object sender, AcceptElementLocationEventArgs e)
{
if (e.Element == null)
{
_emptySpaceMenu.Tag = ClientToModel(new System.Drawing.PointF(e.Position.X, e.Position.Y));
_emptySpaceMenu.Show(e.Position);
e.Cancel = false;
}
else
if (e.Element is Node && ((Node)e.Element).Tag is ShaderProcedureNodeTag)
{
var tag = (ShaderProcedureNodeTag)((Node)e.Element).Tag;
_nodeMenu.Tag = tag.Id;
_nodeMenu.Show(e.Position);
e.Cancel = false;
}
// if (e.Element is Node && ((Node)e.Element).Tag is ShaderParameterNodeTag)
// {
// var tag = (ShaderParameterNodeTag)((Node)e.Element).Tag;
// parameterBoxMenu.Tag = tag.Id;
// parameterBoxMenu.Show(e.Position);
// e.Cancel = false;
// }
// else
// if (e.Element is ShaderFragmentNodeItem)
// {
// var tag = (ShaderFragmentNodeItem)e.Element;
// if (tag.ArchiveName != null)
// {
// ShaderParameterUtil.EditParameter(GetGraphModel(), tag.ArchiveName);
// e.Cancel = false;
// }
// }
else if (e.Element is NodeConnector && ((NodeConnector)e.Element).Item is ShaderFragmentNodeItem)
{
NodeConnector conn = (NodeConnector)e.Element;
var tag = (ShaderFragmentNodeItem)conn.Item;
if (tag.ArchiveName != null)
{
// pop up a context menu for this connector
var menu = new ContextMenuStrip();
var param = conn.Item as ShaderFragmentInterfaceParameterItem;
if (param != null)
{
var editItem = new ToolStripMenuItem() { Text = "Edit parameter" };
editItem.Click += (object o, EventArgs a) => { EditInterfaceParameter(param); };
menu.Items.Add(editItem);
}
if (conn == conn.Item.Input)
{
var existing = GetSimpleConnection(conn);
if (!string.IsNullOrEmpty(existing))
{
var editItem = new ToolStripMenuItem() { Text = "Edit simple connection" };
editItem.Click += (object o, EventArgs a) => { EditSimpleConnection(conn); };
menu.Items.Add(editItem);
}
else
{
var addItem = new ToolStripMenuItem() { Text = "Add simple connection" };
addItem.Click += (object o, EventArgs a) => { EditSimpleConnection(conn); };
menu.Items.Add(addItem);
}
}
if (conn.Node.Connections.Where(x=>x.To==conn||x.From==conn).Any())
{
var removeItem = new ToolStripMenuItem() { Text = "Disconnect" };
removeItem.Click += (object o, EventArgs a) => { DisconnectAll(conn); };
menu.Items.Add(removeItem);
}
if (menu.Items.Count > 0)
{
menu.Show(e.Position);
e.Cancel = false;
}
}
}
else
{
// if you don't want to show a menu for this item (but perhaps show a menu for something more higher up)
// then you can cancel the event
e.Cancel = true;
}
}
protected override void OnMouseClick(MouseEventArgs e)
{
try
{
ignoreDoubleClick = false;
if (mouseMoved)
return;
var points = new Point[] { lastLocation };
inverse_transformation.TransformPoints(points);
var transformed_location = points[0];
if (e.Button == MouseButtons.Right)
{
if (null != ShowElementMenu)
{
// See if we clicked on an element and give our owner the chance to show a menu
var result = FindElementAt(transformed_location, delegate(IElement el)
{
// Fire the event and see if someone cancels it.
var eventArgs = new AcceptElementLocationEventArgs(el, this.PointToScreen(lastLocation));
// Give our owner the chance to show a menu for this element ...
ShowElementMenu(this, eventArgs);
// If the owner declines (cancel == true) then we'll continue looking up the hierarchy ..
return !eventArgs.Cancel;
});
// If we haven't found anything to click on we'll just return the event with a null pointer ..
// allowing our owner to show a generic menu
if (result == null)
{
var eventArgs = new AcceptElementLocationEventArgs(null, this.PointToScreen(lastLocation));
ShowElementMenu(this, eventArgs);
}
return;
}
}
var element = FindElementAt(transformed_location);
if (element == null)
{
ignoreDoubleClick = true; // to avoid double-click from firing
if (ModifierKeys == Keys.None)
FocusElement = null;
return;
}
switch (element.ElementType)
{
case ElementType.NodeItem:
{
if (ModifierKeys != Keys.None)
return;
var item = element as NodeItem;
if (item.OnClick())
{
ignoreDoubleClick = true; // to avoid double-click from firing
this.Refresh();
return;
}
break;
}
}
}
finally
{
base.OnMouseClick(e);
}
}