public void DrawToGraphics(Graphics graphics)
{
if (this.multiSelectPhase == MultiObjectSelect.AREA_SELECTED && !this.itemSelected)
{
graphics.FillRectangle(Brushes.Aqua, this.selectedArea);
}
foreach (CanvasItemData item in itemsList)
{
if (item.Item is StateItem)
{
item.Item.DrawToGraphics(graphics);
continue;
}
if (item.Item is NailItem)
{
//Only draw a nail if it is selected or the route it belongs is selected
NailItem nailItem = (NailItem)item.Item;
if (item.Focused || nailItem.Route.CurrentState != ItemState.Free)
{
item.Item.DrawToGraphics(graphics);
}
continue;
}
if (item.Item is Transition)
{
item.Item.DrawToGraphics(graphics);
continue;
}
}
DrawRoutes(graphics);
//Draw temporary nail
if (this.temporaryNails.Count > 1)
{
PointF startPoint = GraphUltility.FindPointByDistance(this.temporaryNails[0], this.temporaryNails[1], StateItem.R + 2);
graphics.DrawLine(Pens.Black, startPoint, this.temporaryNails[1]);
for (int i = 1; i < this.temporaryNails.Count - 1; i++)
{
graphics.DrawLine(Pens.Black, this.temporaryNails[i], this.temporaryNails[i + 1]);
}
}
}
private void PictureBox1MouseUp(object sender, MouseEventArgs e)
{
PointF pos = new PointF(e.X / zoom, e.Y / zoom);
switch (this.multiSelectPhase)
{
case MultiObjectSelect.STAR:
if (!(pos.X == lastMouseDownPosition.X && pos.Y == lastMouseDownPosition.Y))
{
this.multiSelectPhase = MultiObjectSelect.AREA_SELECTED;
this.selectedArea.X = (int)Math.Min(lastMouseDownPosition.X, pos.X);
this.selectedArea.Y = (int)Math.Min(lastMouseDownPosition.Y, pos.Y);
this.selectedArea.Width = (int)Math.Abs(lastMouseDownPosition.X - pos.X);
this.selectedArea.Height = (int)Math.Abs(lastMouseDownPosition.Y - pos.Y);
List <CanvasItemData> selectedItems = new List <CanvasItemData>();
foreach (CanvasItemData item in itemsList)
{
if (GraphUltility.IsBelongRectangle(this.selectedArea, new PointF(item.Item.X, item.Item.Y)))
{
selectedItems.Add(item);
}
}
this.selectedItems.Clear();
this.selectedItems.AddRange(selectedItems);
foreach (CanvasItemData selectedItem in this.selectedItems)
{
selectedItem.Item.HandleMouseDown(new PointF(selectedItem.Item.X, selectedItem.Item.Y));
}
CanvasItemsSelected(this, new CanvasItemsEventArgs(selectedItems));
this.Refresh();
this.RefreshPictureBox();
}
break;
case MultiObjectSelect.START_MOVING:
this.SaveCurrentCanvas(this, EventArgs.Empty);
FinishMultiObjectAction();
break;
default:
break;
}
if (dragItemNode != null)
{
dragItemNode.Item.HandleMouseUp(pos);
if (this.lastMouseDownPosition != pos)
{
this.SaveCurrentCanvas(this, EventArgs.Empty);
}
}
dragItemNode = null;
CanvasItemData itemNode = FindCanvasItemNode(pos);
if (itemNode != null)
{
itemNode.Item.HandleMouseUp(pos);
}
}
private void PictureBox1MouseDown(object sender, MouseEventArgs e)
{
itemSelected = false;
HoldRedraw = true;
PointF pos = new PointF(e.X / zoom, e.Y / zoom);
if (this.multiSelectPhase == MultiObjectSelect.AREA_SELECTED)
{
if (GraphUltility.IsBelongRectangle(this.selectedArea, pos))
{
this.multiSelectPhase = MultiObjectSelect.START_MOVING;
foreach (CanvasItemData selectedItem in this.selectedItems)
{
selectedItem.JustGainedFocus = true;
selectedItem.Focused = true;
itemsList.Remove(selectedItem);
itemsList.Add(selectedItem);
selectedItem.Item.HandleMouseDown(new PointF(selectedItem.Item.X, selectedItem.Item.Y));
}
this.CanvasItemsSelected(this, new CanvasItemsEventArgs(this.selectedItems));
}
else
{
this.multiSelectPhase = MultiObjectSelect.STAR;
}
}
lastMouseDownPosition = pos;
lastMouseClickPosition = pos;
if (e.Button == MouseButtons.Right)
{
this.lastRightClickPosition = pos;
}
CanvasItemData itemNode = FindCanvasItemNode(pos);
dragItemNode = itemNode;
if (!ctrlDown)
{
foreach (CanvasItemData item in itemsList)
{
item.Item.StopEditing();
if (itemNode == null || item != itemNode)
{
item.Focused = false;
if (item.Item is StateItem)
{
(item.Item as StateItem).CurrentState = ItemState.Free;
}
}
}
}
foreach (Route route in diagramRouter.Routes)
{
route.CurrentState = ItemState.Free;
}
if (itemNode != null)
{
if (!itemNode.Focused)
{
itemNode.JustGainedFocus = true;
itemNode.Focused = true;
itemsList.Remove(itemNode);
itemsList.Add(itemNode);
itemNode.Item.HandleMouseDown(pos);
itemSelected = true;
CanvasItemSelected(this, new CanvasItemEventArgs(itemNode));
}
else
{
itemSelected = true;
itemNode.Item.HandleMouseDown(pos);
CanvasItemSelected(this, new CanvasItemEventArgs(itemNode));
}
}
else
{
foreach (Route route in diagramRouter.Routes)
{
if (route.IsBelongRoute(pos))
{
route.CurrentState = ItemState.Selected;
CanvasRouteSelected(this, new CanvasRouteEventArgs(route));
this.itemSelected = true;
break;
}
}
if (!this.itemSelected)
{
CanvasItemSelected(this, new CanvasItemEventArgs(null));
}
}
HoldRedraw = false;
this.RefreshPictureBox();
}
