Exemplo n.º 1
0
        protected override void OnDrop(DragEventArgs e)
        {
            base.OnDrop(e);
            DragObject dragObject = e.Data.GetData(typeof(DragObject)) as DragObject;

            if (dragObject != null && !String.IsNullOrEmpty(dragObject.Xaml))
            {
                DesignerItem newItem = null;
                Object       content = XamlReader.Load(XmlReader.Create(new StringReader(dragObject.Xaml)));

                DeviceType itemtype = DeviceType.DEV_Init;
                if (dragObject.UID.StartsWith("0001"))   //
                {
                    itemtype = DeviceType.DEV_BREWER;
                }
                else if (dragObject.UID.StartsWith("0002")) // this is for grinder
                {
                    itemtype = DeviceType.DEV_GRINDER;
                }
                else if (dragObject.UID.StartsWith("0003")) // this is for canister
                {
                    itemtype = DeviceType.DEV_CANISTER;
                }
                else if (dragObject.UID.StartsWith("0004")) // this is for mixer
                {
                    itemtype = DeviceType.DEV_MIXER;
                }
                else if (dragObject.UID.StartsWith("000f")) // this is for boiler
                {
                    itemtype = DeviceType.DEV_BOILER;
                }
                else if (dragObject.UID.StartsWith("0008")) // this is for machine
                {
                    itemtype = DeviceType.DEV_CUP;
                }
                else if (dragObject.UID.StartsWith("000c")) // this is for machine
                {
                    itemtype = DeviceType.DEV_LED;
                }
                else if (dragObject.UID.StartsWith("0018")) // this is for machine
                {
                    itemtype = DeviceType.DEV_DRIP;
                }
                else if (dragObject.UID.StartsWith("0019")) // this is for machine
                {
                    itemtype = DeviceType.DEV_WASTER;
                }
                else if (dragObject.UID.StartsWith("001a")) // this is for machine
                {
                    itemtype = DeviceType.DEV_DOOR;
                }
                else if (dragObject.UID.StartsWith("0000-02")) // this is for machine
                {
                    itemtype = DeviceType.DEV_VIRMACHINE;
                }
                if (!isValid(itemtype))
                {
                    MessageBox.Show("can not create more!");
                    return;
                }


                if (content != null)
                {
                    newItem = new DesignerItem(dragObject.UID, this);

                    newItem.Content = content;
                    Point position = e.GetPosition(this);

                    if (dragObject.DesiredSize.HasValue)
                    {
                        Size desiredSize = dragObject.DesiredSize.Value;
                        newItem.Width  = desiredSize.Width;
                        newItem.Height = desiredSize.Height;

                        DesignerCanvas.SetLeft(newItem, Math.Max(0, position.X - newItem.Width / 2));
                        DesignerCanvas.SetTop(newItem, Math.Max(0, position.Y - newItem.Height / 2));
                    }
                    else
                    {
                        DesignerCanvas.SetLeft(newItem, Math.Max(0, position.X));
                        DesignerCanvas.SetTop(newItem, Math.Max(0, position.Y));
                    }

                    Canvas.SetZIndex(newItem, this.Children.Count);
                    this.Children.Add(newItem);

                    _machineDevicelist.Add(newItem.ID, newItem);
                    SetConnectorDecoratorTemplate(newItem);
                    Control decorator = newItem.Template.FindName("PART_ConnectorDecorator", newItem) as Control;
                    if (dragObject.UID.Equals("0000-00"))   // this is for valve
                    {
                        if (decorator != null)
                        {
                            decorator.SetResourceReference(Control.TemplateProperty, "ConnectorDecoratorTemplate_valve");
                        }
                    }
                    else if (dragObject.UID.StartsWith("0001")) // this is for brewer
                    {
                        if (decorator != null)
                        {
                            decorator.SetResourceReference(Control.TemplateProperty, "ConnectorDecoratorTemplate_brewer");
                        }
                    }
                    else if (dragObject.UID.StartsWith("0002")) // this is for grinder
                    {
                        if (decorator != null)
                        {
                            decorator.SetResourceReference(Control.TemplateProperty, "ConnectorDecoratorTemplate_grinder");
                        }
                    }
                    else if (dragObject.UID.StartsWith("0003")) // this is for canister
                    {
                        if (decorator != null)
                        {
                            decorator.SetResourceReference(Control.TemplateProperty, "ConnectorDecoratorTemplate_can");
                        }
                    }
                    else if (dragObject.UID.StartsWith("0004")) // this is for mixer
                    {
                        if (decorator != null)
                        {
                            decorator.SetResourceReference(Control.TemplateProperty, "ConnectorDecoratorTemplate_brewer");
                        }
                    }
                    else if (dragObject.UID.StartsWith("000f")) // this is for boiler
                    {
                        if (decorator != null)
                        {
                            decorator.SetResourceReference(Control.TemplateProperty, "ConnectorDecoratorTemplate_boiler");
                        }
                    }
                    else if (dragObject.UID.StartsWith("000a")) // this is for boiler
                    {
                        if (decorator != null)
                        {
                            decorator.SetResourceReference(Control.TemplateProperty, "ConnectorDecoratorTemplate_pump");
                        }
                    }
                    else if (dragObject.UID.StartsWith("0008"))
                    {
                        if (decorator != null)
                        {
                            decorator.SetResourceReference(Control.TemplateProperty, "ConnectorDecoratorTemplate_end");
                        }
                    }
                    //update selection
                    this.SelectionService.SelectItem(newItem);
                    newItem.Focus();
                }

                e.Handled = true;
            }
        }