public DraggedLinkElement(ProductionGraphViewer parent, NodeElement startNode, LinkType startConnectionType, Item item)
: base(parent)
{
if (startConnectionType == LinkType.Input)
{
ConsumerElement = startNode;
}
else
{
SupplierElement = startNode;
}
StartConnectionType = startConnectionType;
Item = item;
if ((Control.MouseButtons & MouseButtons.Left) != 0)
{
DragType = DragType.MouseDown;
}
else
{
DragType = DragType.MouseUp;
}
}
public void DeleteNode(NodeElement node)
{
if (node != null)
{
foreach (NodeLink link in node.DisplayedNode.InputLinks.ToList().Union(node.DisplayedNode.OutputLinks.ToList()))
{
Elements.RemoveWhere(le => le is LinkElement && (le as LinkElement).DisplayedLink == link);
}
Elements.Remove(node);
node.DisplayedNode.Destroy();
UpdateNodes();
Invalidate();
}
}
private void EndDrag(Point location)
{
if (SupplierElement != null && ConsumerElement != null)
{
if (StartConnectionType == LinkType.Input)
{
NodeLink.Create(SupplierElement.DisplayedNode, ConsumerElement.DisplayedNode, Item, ConsumerElement.DisplayedNode.GetUnsatisfiedDemand(Item));
}
else
{
NodeLink.Create(SupplierElement.DisplayedNode, ConsumerElement.DisplayedNode, Item, SupplierElement.DisplayedNode.GetExcessOutput(Item));
}
}
else if (StartConnectionType == LinkType.Output && ConsumerElement == null)
{
using (var form = new RecipeChooserForm(DataCache.Recipes.Values.Where(r => r.Ingredients.Keys.Contains(Item)), new List<Item> { Item }, "Create output node", "Use recipe {0}"))
{
var result = form.ShowDialog();
if (result == DialogResult.OK)
{
NodeElement newElement = null;
if (form.selectedRecipe != null)
{
newElement = new NodeElement(RecipeNode.Create(form.selectedRecipe, Parent.Graph), Parent);
}
else if (form.selectedItem != null)
{
newElement = new NodeElement(ConsumerNode.Create(form.selectedItem, Parent.Graph), Parent);
}
newElement.Update();
newElement.Location = Point.Add(location, new Size(-newElement.Width / 2, -newElement.Height / 2));
new LinkElement(Parent, NodeLink.Create(SupplierElement.DisplayedNode, newElement.DisplayedNode, Item));
}
}
}
else if (StartConnectionType == LinkType.Input && SupplierElement == null)
{
using (var form = new RecipeChooserForm(DataCache.Recipes.Values.Where(r => r.Results.Keys.Contains(Item)), new List<Item> { Item }, "Create infinite supply node", "Use recipe {0}"))
{
var result = form.ShowDialog();
if (result == DialogResult.OK)
{
NodeElement newElement = null;
if (form.selectedRecipe != null)
{
newElement = new NodeElement(RecipeNode.Create(form.selectedRecipe, Parent.Graph), Parent);
}
else if (form.selectedItem != null)
{
newElement = new NodeElement(SupplyNode.Create(form.selectedItem, Parent.Graph), Parent);
}
newElement.Update();
newElement.Location = Point.Add(location, new Size(-newElement.Width / 2, -newElement.Height / 2));
new LinkElement(Parent, NodeLink.Create(newElement.DisplayedNode, ConsumerElement.DisplayedNode, Item));
}
}
}
Parent.AddRemoveElements();
Parent.UpdateNodes();
Dispose();
}
public void PositionNodes()
{
if (!Elements.Any())
{
return;
}
var nodeOrder = Graph.GetTopologicalSort();
nodeOrder.Reverse();
List <ProductionNode>[] nodePositions = new List <ProductionNode> [nodeOrder.Count()];
for (int i = 0; i < nodePositions.Count(); i++)
{
nodePositions[i] = new List <ProductionNode>();
}
nodePositions.First().AddRange(nodeOrder.OfType <ConsumerNode>());
foreach (RecipeNode node in nodeOrder.OfType <RecipeNode>())
{
bool PositionFound = false;
for (int i = nodePositions.Count() - 1; i >= 0 && !PositionFound; i--)
{
foreach (ProductionNode listNode in nodePositions[i])
{
if (listNode.CanUltimatelyTakeFrom(node))
{
nodePositions[i + 1].Add(node);
PositionFound = true;
break;
}
}
}
if (!PositionFound)
{
nodePositions.First().Add(node);
}
}
nodePositions.Last().AddRange(nodeOrder.OfType <SupplyNode>());
int marginX = 100;
int marginY = 200;
int y = marginY;
int[] tierWidths = new int[nodePositions.Count()];
for (int i = 0; i < nodePositions.Count(); i++)
{
var list = nodePositions[i];
int maxHeight = 0;
int x = marginX;
foreach (var node in list)
{
NodeElement control = GetElementForNode(node);
control.X = x;
control.Y = y;
x += control.Width + marginX;
maxHeight = Math.Max(control.Height, maxHeight);
}
if (maxHeight > 0) // Don't add any height for empty tiers
{
y += maxHeight + marginY;
}
tierWidths[i] = x;
}
int centrePoint = tierWidths.Last(i => i > marginX) / 2;
for (int i = tierWidths.Count() - 1; i >= 0; i--)
{
int offset = centrePoint - tierWidths[i] / 2;
foreach (var node in nodePositions[i])
{
NodeElement element = GetElementForNode(node);
element.X = element.X + offset;
}
}
UpdateNodes();
LimitViewToBounds();
Invalidate(true);
}