public List <DesignerContainer> DeserializeDesignerItems(XElement root)// 从xml文件解析图元
{
//CommandOpen.Run(CommManager, root);
Dictionary <Guid, DesignerContainer> items = new Dictionary <Guid, DesignerContainer>();
IEnumerable <XElement> itemsXml = root.Elements("DesignerContainers").Elements();
foreach (XElement itemXml in itemsXml)
{
#region xml
/*
* <DesignerElement Version="1.0" Type="Wss.Foundation.Controls.DesignerContainer, Wss.Foundation">
* <Name>换热器</Name>
* <Canvas.Left>522</Canvas.Left>
* <Canvas.Top>257</Canvas.Top>
* <Width>142</Width>
* <Height>200</Height>
* <Panel.ZIndex>20</Panel.ZIndex>
* <ItemOpacity>1</ItemOpacity>
* <LockDesign>False</LockDesign>
* <WindowTip>False</WindowTip>
* <NameVisible>True</NameVisible>
* <NamePosition></NamePosition>
* <Angle>0</Angle>
* <BaseContainer.ScaleX>1</BaseContainer.ScaleX>
* <BaseContainer.ScaleY>1</BaseContainer.ScaleY>
* <BaseContainer.ID>ba33c2e8-f1d9-4d37-9d54-4d7a4800d720</BaseContainer.ID>
* <BaseContainer.ParentID>00000000-0000-0000-0000-000000000000</BaseContainer.ParentID>
* <BaseContainer.IsGroup>False</BaseContainer.IsGroup>
* <DesignerElement Version="1.0" Type="Common.Package.HeatExchanger, Common.Package" />
* </DesignerElement>
*/
#endregion
DesignerContainer item = DesignAttributeService.DeSerializFromXElement(itemXml) as DesignerContainer; // itemXml.ToDesignerContainer(); //从xml序列化成控件
Add(item); //item.Content有值的
if (!items.ContainsKey(item.ID))
{
items.Add(item.ID, item);
PropertyInfo[] ps = item.Content.GetType().GetProperties();
item.IsHitTestVisible = !(GetZIndex(item).Equals(int.MinValue));
item.Focusable = item.IsHitTestVisible;
item.IsEnabled = item.IsHitTestVisible;
item.IsSelected = false;
item.PreviewMouseMove += Item_PreviewMouseMove;
}
}
//InvalidateVisual();
return(items.Values.ToList());
}
//将List<DesignerContainer>转换为XElement节点
public static XElement ToXElement(this IEnumerable <DesignerContainer> obj)
{
var result = new XElement("DesignerContainers");
if (obj == null)
{
return(result);
}
foreach (var item in obj)
{
result.Add(DesignAttributeService.SerializToXElement(item));
}
return(result);
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (e.LeftButton != MouseButtonState.Pressed)
{
_dragStartPoint = null;
}
if (!_dragStartPoint.HasValue)
{
return;
}
var di = Content as DesignerItem;
if (di != null)
{
var dcontainer = new DesignerContainer();
dcontainer.Content = di;
var panel = VisualTreeHelper.GetParent(this) as WrapPanel;
var dataObject = new DragObject();
dataObject.Xaml = DesignAttributeService.SerializToXElement(dcontainer).ToString();
if (panel != null)
{
// desired size for DesignerCanvas is the stretched Toolbox Item size
var scale = 1.0;
dataObject.DesiredSize = new Size(panel.ItemWidth * scale, panel.ItemHeight * scale);
}
DragDrop.DoDragDrop(this, dataObject, DragDropEffects.Copy);
#region 用
//var dcontainer = new DesignerContainer();
//dcontainer.Content = item;
//WrapPanel panel = VisualTreeHelper.GetParent(this) as WrapPanel;
//DragObject dataObject = new DragObject();
//dataObject.Xaml= System.Windows.Markup.XamlWriter.Save(item);//dataObject.Xaml = DesignAttributeService.SerializToXElement(di).ToString();
//if (panel != null)
//{
// var scale = 1.0;
// dataObject.DesiredSize = new Size(panel.ItemWidth*scale, panel.ItemHeight*scale);
//}
////DragDrop.DoDragDrop(this, di, DragDropEffects.Copy);
//DragDrop.DoDragDrop(this, dataObject, DragDropEffects.Copy);
#endregion
}
e.Handled = true;
}
//将XElement节点转换为一组DesignerItem
public static List <DesignerContainer> ToDesignerContainers(this XElement xElement)
{
var result = new List <DesignerContainer>();
if (xElement == null)
{
return(result);
}
var items = xElement.Elements();
result.AddRange(items.Select(item =>
DesignAttributeService.DeSerializFromXElement(item) as DesignerContainer
).Where(ditem => ditem != null));
return(result);
}
//将XElement节点转换为DesignerItem实例,对于结构不符合的节点，将返回null
public static DesignerContainer ToDesignerContainer(this XElement xElement)
{
return(DesignAttributeService.DeSerializFromXElement(xElement) as DesignerContainer);
}
//显示属性窗口
public void ShowProView(bool isShowContainerPro)
{
if (_designerCanvas == null || _designerCanvas.SelectionService == null)
{
return;
}
var title = Template.FindName("title", this) as Label;
if (title != null)
{
title.MouseLeftButtonDown += title_MouseLeftButtonDown;
title.MouseLeftButtonUp += title_MouseLeftButtonUp;
title.MouseRightButtonDown += title_MouseRightButtonDown;
}
if (_designerCanvas.SelectionService.SelectedDesignerContainer == null || _designerCanvas.SelectionService.SelectedDesignerContainer.Count <= 0)
{
return;
}
//画布上有选择的控件
List <DesignerContainer> listCtn = _designerCanvas.SelectionService.SelectedDesignerContainer.OfType <DesignerContainer>().Where(x => x.ParentID == Guid.Empty).ToList();
if (listCtn.Count != 1)
{
this.Visibility = Visibility.Collapsed; return;
}
ListView lvName = Template.FindName("lvName", this) as ListView;
ListView lvValue = Template.FindName("lvValue", this) as ListView;//找到属性窗口的listView
lvName.Items.Clear(); lvValue.Items.Clear();
DependencyObject dobj = listCtn.First(); //显示第一个被选择的控件的属性
var pros = DesignAttributeService.GetDesignPropertys(dobj).OrderBy(o => o.DisplayName); //获取属性列表
foreach (IDesignProperty p in pros)
{
if (isShowContainerPro)
{
if (p.Owner.ToString().Contains("DesignerContainer"))
{
continue;
}
}
FrameworkElement ctr;
DependencyProperty ctrpp = TextBox.TextProperty;
if (p.Editer != null)
{
PropertyEditerButton bt = new PropertyEditerButton(p.Editer);
ctr = bt;
bt.Content = "编 辑";
ctrpp = PropertyEditerButton._property;
}
else
{
#region 根据属性的类型，设定属性窗口该给什么控件
if (p.Descriptor != null)
{
if (p.Descriptor.PropertyType == typeof(bool))
{
ctr = new CheckBox();
ctrpp = ToggleButton.IsCheckedProperty;
}
else if (p.Descriptor.PropertyType == typeof(Brush))
{
TextBox tb = new TextBox();
tb.MouseDoubleClick += tb_MouseDoubleClick;//显示颜色面板
ctr = tb;
ctrpp = TextBox.TextProperty;
}
else if (p.Descriptor.PropertyType == typeof(Point))//坐标
{
TextBox tb = new TextBox();
tb.PreviewMouseRightButtonDown += tb_PreviewMouseRightButtonDown;
tb.MouseMove += tb_MouseMove1;
tb.MouseRightButtonUp += tb_MouseRightButtonUp;
ctr = tb;
}
else
{
ctr = new TextBox();
if (p.DisplayName.Equals("名称"))
{
p.Binding.ValidationRules.Add(new NameRule());
}
}
}
else
{
ctr = new TextBox();
if (p.DisplayName.Equals("名称"))
{
p.Binding.ValidationRules.Add(new NameRule());
}
}
#endregion
}
ctr.IsEnabled = !p.ReadOnly;
ctr.SetBinding(ctrpp, p.Binding);
AddProItem(p.DisplayName, ctr);
}
Visibility = Visibility.Visible;
}