using System.Collections.Generic;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Input;
using System.Windows.Media;
using Microsoft.Windows.Design.Interaction;
using Microsoft.Windows.Design.Model;

namespace HMIControl.VisualStudio.Design
{
 class ControlAdornerProvider : PrimarySelectionAdornerProvider
 {
 private AdornerPanel _panel = new AdornerPanel();
 LinkableControl designObject;
 ControlAdorner adorner;
 Panel designCanvas;
 LinkPin hitPin;
 bool isdrag = false;

 protected override void Activate(ModelItem item)
 {
 designObject = item.GetCurrentValue() as LinkableControl;//获得被点击的控件对象 

 if (designObject != null)
 {
 designCanvas = designObject.Parent as Panel;
 DesignerView v = DesignerView.FromContext(Context);
 adorner = new ControlAdorner(designObject);
 adorner.RenderTransform = new ScaleTransform(v.ZoomLevel, v.ZoomLevel);

 foreach (var pin in adorner.Children)
 {
 pin.MouseLeftButtonDown += new MouseButtonEventHandler(Pin_MouseLeftButtonDown);//按下左键选中hitPin,开始拖动
 pin.MouseMove += new MouseEventHandler(Pin_MouseMove);//移动鼠标,开始找寻目标连接节点
 }

 AdornerPanel.SetAdornerHorizontalAlignment(adorner, AdornerHorizontalAlignment.Stretch);
 AdornerPanel.SetAdornerVerticalAlignment(adorner, AdornerVerticalAlignment.Stretch);
 _panel.Children.Add(adorner);

 Adorners.Add(_panel);
 v.ZoomLevelChanged += (s, e) => { adorner.RenderTransform = new ScaleTransform(v.ZoomLevel, v.ZoomLevel); };
 }

 base.Activate(item);
 }

 protected override void Deactivate()
 {
 base.Deactivate();
 }

 void Pin_MouseLeftButtonDown(object s, MouseButtonEventArgs e)
 {
 hitPin = s as LinkPin; isdrag = true; e.Handled = true;
 }

 void Pin_MouseMove(object s, MouseEventArgs e)
 {
 if (e.LeftButton != MouseButtonState.Pressed) isdrag = false;

 if (isdrag && hitPin != null && designCanvas != null)
 {
 PinAdorner pinAdorner = new PinAdorner(designCanvas, hitPin);
 pinAdorner.MouseUp += new MouseButtonEventHandler(pinAdorner_MouseUp);
 DesignerView v = DesignerView.FromContext(Context);
 double zoom = v.ZoomLevel;
 pinAdorner.RenderTransform = new ScaleTransform(zoom, zoom);
 _panel.Children.Add(pinAdorner);
 e.Handled = true;
 }
 }

 static readonly Dictionary<ConnectOrientation, string> omap = new Dictionary<ConnectOrientation, string> 
 { { ConnectOrientation.Left, "LeftPin" }, { ConnectOrientation.Right, "RightPin" }, 
 { ConnectOrientation.Top, "TopPin" }, { ConnectOrientation.Bottom, "BottomPin" },{ ConnectOrientation.None, "" } };
 void pinAdorner_MouseUp(object sender, MouseButtonEventArgs e)
 {
 var pinAdorner = sender as PinAdorner;
 if (pinAdorner.HitPin != null)
 {
 LinkableControl targetObject = pinAdorner.HitLinkableControl;
 LinkPin lp1 = pinAdorner.SourcePin;
 LinkPin lp2 = pinAdorner.HitPin;

 ConnectInfo info1 = lp1.GetInfo();
 ConnectInfo info2 = lp2.GetInfo();

 LinkLine line = new LinkLine(info1, info2);
 //Panel.SetZIndex(line, designCanvas.Children.Count);

 Binding bi1 = new Binding(omap[info1.Orient]);
 bi1.ElementName = designObject.Name;
 line.SetBinding(LinkLine.OriginInfoProperty, bi1);
 Binding bi2 = new Binding(omap[info2.Orient]);
 bi2.ElementName = targetObject.Name;
 line.SetBinding(LinkLine.TargetInfoProperty, bi2);

 var CanvasModelItem = AdornerProperties.GetModel(adorner).Parent;
 ModelItemCollection myControls = CanvasModelItem.Properties["Children"].Collection;
 ModelItem myLinkLine = myControls.Add(line);

 }
 if (pinAdorner.HitLinkableControl != null)
 {
 pinAdorner.HitLinkableControl.IsLinkDragOver = false;
 }

 hitPin = null;
 if (adorner.IsMouseCaptured) adorner.ReleaseMouseCapture();
 _panel.Children.Remove(pinAdorner);
 }

 }

 class LinkLineAdornerProvider : PrimarySelectionAdornerProvider
 {
 LinkLine myLinkLine;
 SolidColorBrush brush;

 protected override void Activate(ModelItem item)
 {
 myLinkLine = item.GetCurrentValue() as LinkLine;
 brush = myLinkLine.LineBrush;
 Panel.SetZIndex(myLinkLine, 1000);
 myLinkLine.LineBrush = Brushes.Yellow;
 base.Activate(item);
 }

 protected override void Deactivate()
 {
 myLinkLine.LineBrush = brush;
 Panel.SetZIndex(myLinkLine, 0);
 base.Deactivate();
 }
 }

 class TagComplexContextMenuProvider : PrimarySelectionContextMenuProvider
 {
 public TagComplexContextMenuProvider()
 {
 var lastFill = new MenuAction("Complex Editor");
 lastFill.Checkable = true;
 lastFill.Execute += (s, e) =>
 {
 ModelItem item = e.Selection.PrimarySelection;
 var tagReader = item.GetCurrentValue() as ITagReader;
 TagComplexEditor frm = new TagComplexEditor(tagReader);
 frm.ShowDialog();
 string txt = frm.TagText;
 if (!string.IsNullOrEmpty(txt)) { item.Properties["TagReadText"].SetValue(txt); }
 else if (txt == string.Empty) item.Properties["TagReadText"].ClearValue();
 };

 Items.Add(lastFill);
 }
 }

 class TagWindowContextMenuProvider : PrimarySelectionContextMenuProvider
 {
 public TagWindowContextMenuProvider()
 {
 var lastFill = new MenuAction("Window Editor");
 lastFill.Checkable = true;
 lastFill.Execute += (s, e) =>
 {
 ModelItem item = e.Selection.PrimarySelection;
 ITagWindow tagReader = item.GetCurrentValue() as ITagWindow;
 TagWindowEditor frm = new TagWindowEditor(tagReader);
 frm.ShowDialog();
 string txt = frm.GetText();
 if (!string.IsNullOrEmpty(txt)) { item.Properties["TagWindowText"].SetValue(txt); }
 else if (txt == string.Empty) item.Properties["TagWindowText"].ClearValue();
 if (frm.IsModel)
 item.Properties["IsModel"].SetValue(true);
 else
 item.Properties["IsModel"].ClearValue();
 if (frm.IsUnique)
 item.Properties["IsUnique"].SetValue(true);
 else
 item.Properties["IsUnique"].ClearValue();
 };
 Items.Add(lastFill);
 }
 }

 class TagWriterContextMenuProvider : PrimarySelectionContextMenuProvider
 {
 public TagWriterContextMenuProvider()
 {
 var lastFill = new MenuAction("Writer Editor");
 lastFill.Checkable = true;
 lastFill.Execute += (s, e) =>
 {
 ModelItem item = e.Selection.PrimarySelection;
 var tagWriter = item.GetCurrentValue() as ITagWriter;
 TagWriteEditor frm = new TagWriteEditor(tagWriter);
 frm.ShowDialog();
 if (frm.IsSaved)
 {
 string txt = frm.TagText;
 if (string.IsNullOrEmpty(txt) == false) { item.Properties["TagWriteText"].SetValue(txt); }
 else if (txt == string.Empty) item.Properties["TagWriteText"].ClearValue();
 if (frm.IsPulse)
 item.Properties["IsPulse"].SetValue(true);
 else
 item.Properties["IsPulse"].ClearValue();
 }
 };
 Items.Add(lastFill);
 }
 }
}