private void menuItem_Click(object sender, EventArgs e)
{
if (_layerNode == null)
{
return;
}
LayerMenuItem mi = sender as LayerMenuItem;
if (mi != null)
{
if (mi.Id == AddLayer)
{
if (mi.Parent != null)
{
AnnLayer newLayer = AnnLayer.Create("Layer");
_layerNode.Nodes.Add(new LayerNode(newLayer, this));
if (_layerNode.Tag != null && string.Compare((string)_layerNode.Tag, "Container") == 0)
{
_automation.AddLayer(null, newLayer);
}
else
{
_automation.AddLayer(_layerNode.Layer, newLayer);
}
}
}
else if (mi.Id == DeleteLayer)
{
_automation.DeleteLayer(_layerNode.Layer, false);
_layerNode.Parent.Nodes.Remove(_layerNode);
}
else if (mi.Id == BringToFirstId)
{
_automation.BringLayerToFront(true);
}
else if (mi.Id == BringToFrontId)
{
_automation.BringLayerToFront(false);
}
else if (mi.Id == SendToBackId)
{
_automation.SendLayerToBack(false);
}
else if (mi.Id == SendToLastId)
{
_automation.SendLayerToBack(true);
}
}
if (_automation != null)
{
_automation.Invalidate(LeadRectD.Empty);
}
}
internal LayerMenuItem GetMenuItem(int id)
{
foreach (MenuItem i in MenuItems)
{
if (i is LayerMenuItem)
{
LayerMenuItem mi = i as LayerMenuItem;
if (mi.Id == id)
{
return(mi);
}
}
}
return(null);
}
protected override void OnPopup(EventArgs e)
{
AnnLayer parentLayer = _layerNode.Layer.Parent;
bool isContainer = _layerNode.Tag != null && string.Compare((string)_layerNode.Tag, "Container") == 0;
LayerMenuItem mi = GetMenuItem(DeleteLayer);
if (mi != null)
{
mi.Enabled = !isContainer;
}
mi = GetMenuItem(BringToFrontId);
if (mi != null)
{
mi.Enabled = _automation.CanBringLayerToFront;
}
mi = GetMenuItem(SendToBackId);
if (mi != null)
{
mi.Enabled = _automation.CanSendLayerToBack;
}
mi = GetMenuItem(BringToFirstId);
if (mi != null)
{
mi.Enabled = _automation.CanBringLayerToFirst;
}
mi = GetMenuItem(SendToLastId);
if (mi != null)
{
mi.Enabled = _automation.CanSendLayerToLast;
}
base.OnPopup(e);
}
