void AddItem(TreeLayerNode node)
{
layerTree.BeginUpdate();
if (layerTree.SelectedNode != null)
{
Node n = layerTree.SelectedNode.Tag as Node;
if (n.IsLeaf)
{
node.SetParent(n.Parent, n.Index);
}
else
{
node.SetParent(n);
}
layerTree.SelectedNode.Expand();
}
else
{
node.SetParent(model.Root);
}
layerTree.EndUpdate();
}
void MergeSelected()
{
if (layerTree.SelectedNode == null)
{
return;
}
TreeLayerNode selected = (layerTree.SelectedNode.Tag as TreeLayerNode);
if (selected.Parent.Nodes.Count - 1 == selected.Index || !(selected.LayerNode is Layer))
{
return;
}
TreeLayerNode target = (selected.Parent.Nodes[layerTree.SelectedNode.Index + 1] as TreeLayerNode);
if (!(target.LayerNode is Layer))
{
return;
}
(selected.LayerNode as Layer).MergeAndRemove(target.LayerNode as Layer);
layerTree.BeginUpdate();
activeNode = layerTree.SelectedNode.NextNode;
Editor.SetActiveLayers(new Layer[] { target.LayerNode as Layer });
selected.Parent = null;
layerTree.EndUpdate();
}
protected void ItemDragOver(object sender, DragEventArgs e)
{
if (layerTree.DropPosition.Node == null)
{
e.Effect = e.AllowedEffect;
return;
}
if (e.Data.GetDataPresent(typeof(TreeNodeAdv[])))
{
TreeNodeAdv[] nodes = e.Data.GetData(typeof(TreeNodeAdv[])) as TreeNodeAdv[];
TreeNodeAdv dropNode = layerTree.DropPosition.Node;
foreach (TreeNodeAdv treeNode in nodes)
{
TreeLayerNode node = treeNode.Tag as TreeLayerNode;
if (node.IsParentTo(dropNode.Tag as Node) ||
(dropNode.IsLeaf && layerTree.DropPosition.Position == NodePosition.Inside))
{
e.Effect = DragDropEffects.None;
return;
}
}
e.Effect = e.AllowedEffect;
}
}
void GenerateSample()
{
layerTree.BeginUpdate();
for (int i = 0; i < 2; i++)
{
TreeLayerNode node = new TreeLayerNode(this, new LayerFolder("Folder " + i, Editor));
node.SetParent(model.Root);
for (int j = 0; j < 3; j++)
{
TreeLayerNode layer = new TreeLayerNode(this, new Layer("Layer " + i + "." + j, Editor));
layer.SetParent(node);
}
}
layerTree.EndUpdate();
}
void RemoveSelected()
{
layerTree.BeginUpdate();
TreeNodeAdv[] removedLayers = new TreeNodeAdv[layerTree.SelectedNodes.Count];
layerTree.SelectedNodes.CopyTo(removedLayers, 0);
if (removedLayers.Length > 0)
{
if (MessageBox.Show("Are you sure you want to delete " + removedLayers.Length + " layers?", "Are you sure?", MessageBoxButtons.YesNo) == DialogResult.No)
{
return;
}
}
foreach (TreeNodeAdv layer in removedLayers)
{
TreeLayerNode n = layer.Tag as TreeLayerNode;
n.LayerNode.Remove();
n.Parent = null;
}
layerTree.EndUpdate();
}