/// <summary>
/// 创建调整网格线
/// </summary>
/// <param name="slotContaienr">当前插槽容器</param>
private void CreateAdjustLine(SlotContainer slotContainer, Direction direction, bool autoAdjust)
{
canvas.CurrentGuideLine.ClearGuideLineList();
Rectangle rectangle = Rectangle.Empty;
rectangle.Location = canvas.ClientRectangle.Location - (Size)canvas.AutoScrollPosition;
rectangle.Size = canvas.ClientSize;
List<SlotContainer> list = regionManager.GetSlotContainerList(rectangle);
int leftX = -1;
int rightX = -1;
int topY = -1;
int bottomY = -1;
canvas.PaintCanvas = false;
foreach(SlotContainer s in list)
{
if (s != slotContainer)
{
// 插槽调整线
if (s.TextRectangle.Left < slotContainer.TextRectangle.Right &&
s.TextRectangle.Right > slotContainer.TextRectangle.Left)
{
if (s.TextRectangle.Bottom < slotContainer.TextRectangle.Top)
{
foreach (SlotGraphElement slot1 in s.GetOutSlotList())
{
foreach (SlotGraphElement slot2 in slotContainer.GetInSlotList())
{
if (slot1.Location.X == slot2.Location.X)
{
canvas.CurrentGuideLine.AddGuideLine(new Point[] { slot1.Location, slot2.Location });
}
}
}
}
if (s.TextRectangle.Top > slotContainer.TextRectangle.Bottom)
{
foreach (SlotGraphElement slot1 in s.GetInSlotList())
{
foreach (SlotGraphElement slot2 in slotContainer.GetOutSlotList())
{
if (slot1.Location.X == slot2.Location.X)
{
canvas.CurrentGuideLine.AddGuideLine(new Point[] { slot1.Location, slot2.Location });
}
}
}
}
}
// 显示边框调整线
switch (direction)
{
case Direction.Left:
{
if (slotContainer.TextRectangle.Left - s.TextRectangle.Left >= 0 &&
slotContainer.TextRectangle.Left - s.TextRectangle.Left < moveAdjustWidth)
{
canvas.CurrentGuideLine.AddGuideLine(new Point[]{ new Point(s.TextRectangle.Left, canvas.VisibleRectangle.Top),
new Point(s.TextRectangle.Left, canvas.VisibleRectangle.Bottom)});
if (s.TextRectangle.Left < leftX || leftX == -1)
{
leftX = s.TextRectangle.Left;
}
}
break;
}
case Direction.Right:
{
if (s.TextRectangle.Right - slotContainer.TextRectangle.Right >= 0 &&
s.TextRectangle.Right - slotContainer.TextRectangle.Right < moveAdjustWidth)
{
canvas.CurrentGuideLine.AddGuideLine(new Point[]{ new Point(s.TextRectangle.Right, canvas.VisibleRectangle.Top),
new Point(s.TextRectangle.Right, canvas.VisibleRectangle.Bottom)});
if (s.TextRectangle.Right > rightX || rightX == -1)
{
rightX = s.TextRectangle.Right;
}
}
break;
}
case Direction.Up:
{
if (slotContainer.TextRectangle.Top - s.TextRectangle.Top >= 0 &&
slotContainer.TextRectangle.Top - s.TextRectangle.Top < moveAdjustWidth)
{
canvas.CurrentGuideLine.AddGuideLine(new Point[]{ new Point(canvas.VisibleRectangle.Left, s.TextRectangle.Top),
new Point(canvas.VisibleRectangle.Right, s.TextRectangle.Top)});
if (s.TextRectangle.Top < topY || topY == -1)
{
topY = s.TextRectangle.Top;
}
}
break;
}
case Direction.Down:
{
if (s.TextRectangle.Bottom - slotContainer.TextRectangle.Bottom >= 0 &&
s.TextRectangle.Bottom - slotContainer.TextRectangle.Bottom < moveAdjustWidth)
{
canvas.CurrentGuideLine.AddGuideLine(new Point[]{ new Point(canvas.VisibleRectangle.Left, s.TextRectangle.Bottom),
new Point(canvas.VisibleRectangle.Right, s.TextRectangle.Bottom)});
if (s.TextRectangle.Bottom > bottomY || bottomY == -1)
{
bottomY = s.TextRectangle.Bottom;
}
}
break;
}
}
}
}
if (autoAdjust) // 自动调整位置
{
bool requireAdjust = false;
Size moveSize = Size.Empty;
int lagPosition = -1;
switch (direction)
{
case Direction.Left:
{
if (leftX != -1)
{
moveSize.Width = leftX - slotContainer.TextRectangle.Left;
lagPosition = leftX;
if (moveSize.Width < moveLagOffset)
{
requireAdjust = true;
}
}
break;
}
case Direction.Right:
{
if (rightX != -1)
{
moveSize.Width = rightX - slotContainer.TextRectangle.Right;
lagPosition = rightX;
if (moveSize.Width < moveLagOffset)
{
requireAdjust = true;
}
}
break;
}
case Direction.Up:
{
if (topY != -1)
{
moveSize.Height = topY - slotContainer.TextRectangle.Top;
lagPosition = topY;
if (moveSize.Height < moveLagOffset)
{
requireAdjust = true;
}
}
break;
}
case Direction.Down:
{
if (bottomY != -1)
{
moveSize.Height = bottomY - slotContainer.TextRectangle.Bottom;
lagPosition = bottomY;
if (moveSize.Height < moveLagOffset)
{
requireAdjust = true;
}
}
break;
}
default:
{
break;
}
}
if (requireAdjust)
{
slotContainer.Move(moveSize);
if (LagMove(direction, lagPosition)) // 移动延迟
{
Cursor.Position += moveSize;
}
}
}
canvas.PaintCanvas = true;
}
/// <summary>
/// 获取连出的插槽容器链表
/// </summary>
/// <param name="slotContainer">当前插槽容器</param>
/// <returns>连出的插槽容器链表</returns>
public List<SlotContainer> GetNextSlotContainers(SlotContainer slotContainer)
{
List<SlotContainer> list = new List<SlotContainer>();
foreach(SlotGraphElement slot in slotContainer.GetOutSlotList())
{
if(slot.Binded && slot.BindingConnector.Line.OutSlotContainer != null
&& !list.Contains(slot.BindingConnector.Line.OutSlotContainer))
{
list.Add(slot.BindingConnector.Line.OutSlotContainer);
}
}
return list;
}
/// <summary>
/// 检查插槽容器的所有连出的线是否有效
/// </summary>
/// <param name="slotContainer">插槽容器</param>
private void CheckLineValid(DataManager dataManager, SlotContainer slotContainer)
{
int invalidLineCount = 0;
List<ConnectorContainer> list = new List<ConnectorContainer>();
foreach (SlotGraphElement slot in slotContainer.GetOutSlotList())
{
if (slot.Binded)
{
object data = dataManager.GetData(slot.BindingConnector.Line);
if (data == null)
{
list.Add(slot.BindingConnector.Line);
invalidLineCount++;
}
else
{
slot.BindingConnector.Line.Invalid = false;
}
}
}
if (invalidLineCount == 1) // 无效连接线数等于1
{
foreach (ConnectorContainer line in list)
{
line.Invalid = false;
line.Text = "else";
line.ShowText = true;
line.AdjustText();
}
}
else if (invalidLineCount > 1) // 无效连接线数大于1
{
foreach (ConnectorContainer line in list)
{
line.Invalid = true;
line.Text = "×";
line.ShowText = true;
line.AdjustText();
}
}
else
{
foreach (ConnectorContainer line in list)
{
line.Invalid = false;
line.ShowText = false;
}
}
}
/// <summary>
/// 获取连出的所有插槽容器的链表（辅助函数）
/// </summary>
/// <param name="slotContainer">当前插槽容器</param>
/// <param name="list">当前搜索的所有插槽容器的链表</param>
public void GetAllNextSlotContainers(SlotContainer slotContainer, List<SlotContainer> list)
{
if(!list.Contains(slotContainer)) // 避免出现死循环
{
list.Add(slotContainer);
foreach (SlotGraphElement slot in slotContainer.GetOutSlotList())
{
if (slot.Binded && slot.BindingConnector.Line.OutSlotContainer != null)
{
GetAllNextSlotContainers(slot.BindingConnector.Line.OutSlotContainer, list);
}
}
}
}
