/// <summary>
/// 拖动下面
/// </summary>
/// <param name="scale"></param>
/// <param name="item"></param>
/// <param name="selectionService"></param>
private void DragBottom(double scale, DesignerContainer item, SelectionService selectionService)
{
///改变图元大小
var oldbottom = Canvas.GetTop(item);
var oldheigth = item.Height;
item.Height = (int)(oldheigth * scale); //计算更新后图元宽度
var newscale = item.Height / oldheigth; //计算更新后图元宽度由于取整数导致变更比例变化
var delta = (item.Height - oldheigth); //计算宽度差
//Canvas.SetTop(Item, oldleft - delta < 0 ? 0 : (oldleft - delta));//设置新图元左侧位置
///遍历child图元，改变图元相对宽度与左侧位置
EnumAndChangeGroupChild(item, selectionService, oldbottom, (parent, child, oldparentleft) =>
{
var oldchildbottom = Canvas.GetTop(child);
child.Height = (child.Height * newscale);
var newchildbottom = Canvas.GetTop(parent) + (oldchildbottom - oldparentleft) * newscale;
Canvas.SetTop(child, newchildbottom);
return(oldchildbottom);
});
//else
//{
// double groupItemwidth = Item.Width;
// Item.Width = (Item.Width * scale);
// double delta = (Item.Width - groupItemwidth);
// double groupItemLeft = Canvas.GetLeft(Item);
// Canvas.SetLeft(Item, groupItemLeft - delta < 0 ? 0 : (groupItemLeft - delta));
//}
}
public static DesignerContainer Group(DesignerCanvas dc, IEnumerable <DesignerContainer> items)
{
if (items != null && dc != null)
{
var rect = GetBoundingRectangle(items);
var groupItem = new DesignerContainer();
groupItem.IsGroup = true;
groupItem.Width = rect.Width;
groupItem.Height = rect.Height;
m_oldLeft = rect.Left;
m_oldTop = rect.Top;
Canvas.SetLeft(groupItem, rect.Left);
Canvas.SetTop(groupItem, rect.Top);
var groupCanvas = new Canvas();
groupItem.Content = groupCanvas;
Panel.SetZIndex(groupItem, dc.Children.Count);
dc.Add(groupItem);
foreach (var item in items)
{
item.ParentID = groupItem.ID;
}
dc.SelectionService.SelectItem(groupItem);
groupItem.NameVisible = false;
///SaveOpt(mgr.CurrentCanvas, mgr);
return(groupItem);
}
return(null);
}
public void SelectContainer(DesignerContainer item)
{
//if (item == null || !item.Editable) return;
if ((Keyboard.Modifiers & ModifierKeys.Control) != ModifierKeys.None)
{
if (item.IsSelected)
{
SelectionService.RemoveFromSelection(item);
}
else
{
SelectionService.AddToSelection(item);
}
}
else if (!item.IsSelected)
{
SelectionService.SelectItem(item);
}
item.Focus();
var pv = FindName("pv") as PropertyView;
if (pv != null)
{
pv.InitProView();
if (this.DesignMode == MODE.RUN)
{
pv.ShowProView(true);
}
else
{
pv.ShowProView(false);
}
}
}
public override bool UnRun(CommandManager mgr)
{
if (mgr.CurrentCanvas.SelectionService.SelectedDesignerContainer.Count > 0)
{
DesignerContainer items = null;
for (var i = 0; i < mgr.CurrentCanvas.SelectionService.SelectedDesignerContainer.Count; i++)
{
items = mgr.CurrentCanvas.SelectionService.SelectedDesignerContainer[i] as DesignerContainer;
Canvas.SetLeft(items, m_oldLeft[i]);
Canvas.SetTop(items, m_oldTop[i]);
items.Width = m_oldWidth[i];
items.Height = m_oldHeight[i];
for (var j = 0; j <= m_angle.Count - 1; j++)
{
items.Angle = (m_angle[j] - 90) % 360;
if (m_angleRedo == null)
{
m_angleRedo = new List <double>();
}
m_angleRedo.Add(items.Angle);
}
}
return(true);
}
return(false);
}
public override bool Run(CommandManager mgr, params object[] param)
{
filename = param[0].ToString();
newfilename = param[0].ToString();
if (!String.IsNullOrEmpty(filename))
{
foreach (var item in mgr.CurrentCanvas.Children.OfType <ISelectable>())
{
var di = item as DesignerContainer;
var idx = Panel.GetZIndex(di);
if (idx == int.MinValue)
{
if (oldpicture == null)
{
oldpicture = new List <DesignerContainer>();
}
oldpicture.Add(di);
mgr.CurrentCanvas.Remove(di);
break;
}
}
#region
//Image img = new Image();
//img.Source = new BitmapImage(new Uri(newFileName, UriKind.Relative));
//img.Stretch = Stretch.Fill;
//CustomImage ci = new CustomImage();
//ci.FileName = filename.Substring(filename.LastIndexOf("\\") + 1, filename.Length - filename.LastIndexOf("\\") - 1);
//ci.Style = mgr.CurrentCanvas.FindResource("ciStyle") as Style;
//ci.NameVisible = false;
//ci.Width = (this.Parent as Viewbox).ActualWidth;
//ci.Height = (this.Parent as Viewbox).ActualHeight;
#endregion
var diBg = new DesignerContainer();
//diBg.Width = AppParams.CanvasWidth;// (this.Parent as Viewbox).ActualWidth;
//diBg.Height = AppParams.CanvasHeight; //(this.Parent as Viewbox).ActualHeight;
//diBg.Content = ci;
diBg.StyleName = "ciStyle";
diBg.Focusable = false;
diBg.IsEnabled = false;
diBg.IsHitTestVisible = false;
diBg.NameVisible = false;
Canvas.SetLeft(diBg, 0);
Canvas.SetTop(diBg, 0);
Panel.SetZIndex(diBg, int.MinValue);
if (newpicture == null)
{
newpicture = new List <DesignerContainer>();
}
newpicture.Add(diBg);
mgr.CurrentCanvas.Add(diBg);
return(true);
}
return(false);
}
//更新当前选择的图元的集合
private void UpdateSelection()
{
designerCanvas.SelectionService.ClearSelection();
if (startPoint != null && endPoint != null)
{
Rect rubberBand = new Rect(startPoint.Value, endPoint.Value);
foreach (FrameworkElement item in designerCanvas.Children)
{
DesignerContainer di = item as DesignerContainer;
if (di == null || !di.Editable)
{
continue;
}
//Rect itemRect = VisualTreeHelper.GetDescendantBounds(Item);
//Rect itemBounds = Item.TransformToAncestor(designerCanvas).TransformBounds(itemRect);
FrameworkElement content = di.Item;
if (content == null)
{
continue;
}
Rect itemRect = VisualTreeHelper.GetDescendantBounds(content);
Rect itemBounds = content.TransformToAncestor(designerCanvas).TransformBounds(itemRect);
if (!rubberBand.Contains(itemBounds))
{
continue;
}
//if (Item is Connection)
// designerCanvas.SelectionService.AddToSelection(Item as ISelectable);
//else
//{
//DesignerItem di = Item as DesignerItem;
int idx = Panel.GetZIndex(di);
if (idx == int.MinValue)
{
continue;
}
if (di.ParentID == Guid.Empty)
{
designerCanvas.SelectionService.AddToSelection(di);
}
//}
}
}
if (designerCanvas.SelectionService.SelectedDesignerContainer.Count > 0)
{
PropertyView pv = designerCanvas.FindName("pv") as PropertyView;
if (pv != null)
{
pv.ShowProView(false);
}
}
}
public static void Run(CommandManager cmgr, DesignerContainer di, string NewName, string OldName)
{
var Pa = new object[3];
Pa[0] = di;
Pa[1] = NewName;
Pa[2] = OldName;
cmgr.Run <CommandChangeName>(Pa);
}
private void Item_PreviewMouseMove(object sender, MouseEventArgs e)
{
DesignerContainer dci = sender as DesignerContainer;
DesignerItem di = dci.Content as DesignerItem;
if (di._DShowWindow != null)
{
di._DShowWindow(di);
}
}
protected override void OnPreviewMouseRightButtonDown(MouseButtonEventArgs e)//右击显示图元类型
{
base.OnPreviewMouseRightButtonDown(e);
DesignerContainer item = e.Source as DesignerContainer;
if (item != null)
{
DesignerItem o = item.Content as DesignerItem;
o._controlID = item.ID;
o.ShowWindow();
}
}
private static void EnumAndChangeGroupChild(DesignerContainer parent, double oldsize, Func <DesignerContainer, DesignerContainer, double, double> changeact)
{
if (parent.IsGroup && parent.ParentCanvas.SelectionService != null) //如果是图元组
{
///遍历child图元，改变图元相对大小
var childs = parent.ParentCanvas.SelectionService.GetGroupChilds(parent).Cast <DesignerContainer>();
foreach (var child in childs)
{
var chlidoldsize = changeact(parent, child, oldsize);
EnumAndChangeGroupChild(child, chlidoldsize, changeact);
}
}
}
public override bool UnRun(CommandManager mgr)
{
foreach (var de in m_de)
{
di = CommandGroupOperate.Group(mgr.CurrentCanvas, de);
if (di == null)
{
return(false);
}
}
return(true);
}
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());
}
public override bool UnRun(CommandManager mgr)
{
if (m_di.Count > 0)
{
DesignerContainer di = null;
for (var i = 0; i <= m_di.Count - 1; i++)
{
di = m_di[i];
di.Height = m_oldheight[i];
}
return(true);
}
return(false);
}
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;
}
public override bool Run(CommandManager mgr, params object[] param)
{
var di = param[0] as DesignerContainer;
m_di = di;
if (di != null)
{
var idx = Panel.GetZIndex(di);
if (idx == int.MinValue)
{
mgr.CurrentCanvas.Remove(di);
}
return(true);
}
return(false);
}
public override bool Run(CommandManager mgr, params object[] param)
{
if (param != null)
{
if (param.Length == 3)
{
m_de = param[0] as DesignerContainer;
m_NewName = param[1].ToString();
m_OldName = param[2].ToString();
return(true);
}
return(false);
}
return(false);
}
//选择画布上的所有图元
internal void SelectAll()
{
ClearSelection();
//_currentSelection.AddRange(_designerCanvas.Children.OfType<ISelectable>());
//_currentSelection.ForEach(Item => { if ((Item as UIElement).IsEnabled) { Item.IsSelected = true; }});
foreach (var item in _designerCanvas.Children.OfType <ISelectable>())
{
DesignerContainer di = (item as DesignerContainer);
item.IsSelected = di == null ? true : di.IsEnabled && di.Editable;
if (item.IsSelected)
{
SelectedDesignerContainer.Add(item);
}
}
_dragResizeAdorner.UpdateAdorner();
}
public override bool UnRun(CommandManager mgr)
{
if (m_delist.Count > 0)
{
DesignerContainer di = null;
for (var i = 0; i <= m_delist.Count - 1; i++)
{
di = m_delist[i];
if (di != null)
{
Canvas.SetLeft(di, m_oldPlaceList[i]);
}
}
return(true);
}
return(false);
}
public override bool ReRun(CommandManager mgr)
{
if (m_delist.Count > 0)
{
DesignerContainer di = null;
for (var i = m_delist.Count - 1; i > -1; i--)
{
di = m_delist[i];
if (di != null)
{
Canvas.SetTop(di, m_newPlaceList[i] - m_delt[i]);
}
}
return(true);
}
return(false);
}
//等比缩放
public void UniformScale(DesignerContainer item, double scale, DragDeltaEventArgs e)
{
if (VerticalAlignment == VerticalAlignment.Top && HorizontalAlignment == HorizontalAlignment.Left)
{
if (Canvas.GetLeft(item) + e.VerticalChange < 0 || Canvas.GetTop(item) + e.VerticalChange < 0)
{
scale = 1;
}
DragTop(scale, item, Designer.SelectionService);
DragLeft(scale, item, Designer.SelectionService);
}
else if (VerticalAlignment == VerticalAlignment.Top && HorizontalAlignment == HorizontalAlignment.Right)
{
if (Canvas.GetLeft(item) + item.Width - e.VerticalChange > Designer.ActualWidth ||
Canvas.GetTop(item) + e.VerticalChange < 0)
{
scale = 1;
}
DragTop(scale, item, Designer.SelectionService);
DragRight(scale, item, Designer.SelectionService);
}
else if (VerticalAlignment == VerticalAlignment.Bottom && HorizontalAlignment == HorizontalAlignment.Left)
{
if (Canvas.GetLeft(item) - e.VerticalChange < 0 ||
Canvas.GetTop(item) + item.Height + e.VerticalChange > Designer.ActualHeight)
{
scale = 1;
}
DragBottom(scale, item, Designer.SelectionService);
DragLeft(scale, item, Designer.SelectionService);
}
else if (VerticalAlignment == VerticalAlignment.Bottom && HorizontalAlignment == HorizontalAlignment.Right)
{
if (Canvas.GetLeft(item) + item.Width + e.VerticalChange > Designer.ActualWidth ||
Canvas.GetTop(item) + item.Height + e.VerticalChange > Designer.ActualHeight)
{
scale = 1;
}
DragBottom(scale, item, Designer.SelectionService);
DragRight(scale, item, Designer.SelectionService);
}
}
public override bool ReRun(CommandManager mgr)
{
foreach (var item in mgr.CurrentCanvas.Children.OfType <ISelectable>())
{
var di = item as DesignerContainer;
if (oldpicture == null)
{
oldpicture = new List <DesignerContainer>();
}
oldpicture.Add(di);
var idx = Panel.GetZIndex(di);
if (idx == int.MinValue)
{
mgr.CurrentCanvas.Remove(di);
break;
}
}
var diBg = new DesignerContainer();
//diBg.Width = AppParams.CanvasWidth;// (this.Parent as Viewbox).ActualWidth;
//diBg.Height = AppParams.CanvasHeight; //(this.Parent as Viewbox).ActualHeight;
//diBg.Content = ci;
diBg.StyleName = "ciStyle";
diBg.Focusable = false;
diBg.IsEnabled = false;
diBg.IsHitTestVisible = false;
diBg.NameVisible = false;
Canvas.SetLeft(diBg, 0);
Canvas.SetTop(diBg, 0);
Panel.SetZIndex(diBg, int.MinValue);
if (newpicture == null)
{
newpicture = new List <DesignerContainer>();
}
newpicture.Add(diBg);
mgr.CurrentCanvas.Add(diBg);
return(true);
}
public override bool ReRun(CommandManager mgr)
{
if (m_DesignerContainer.Count() > 1)
{
DesignerContainer di = null;
for (var i = m_DesignerContainer.Count - 1; i > -1; i--)
{
di = m_DesignerContainer[i];
if (di != null)
{
Canvas.SetLeft(di, newleft[i] - m_delta[i]);
}
}
return(true);
}
return(false);
}
public override bool ReRun(CommandManager mgr)
{
if (M_list.Count > 0)
{
DesignerContainer di = null;
for (var j = 0; j < mgr.CurrentCanvas.SelectionService.SelectedDesignerContainer.Count; j++)
{
di = mgr.CurrentCanvas.SelectionService.SelectedDesignerContainer[j] as DesignerContainer;
if (m_newscaleX != null)
{
for (var i = 0; i <= m_newscaleX.Count - 1; i++)
{
di.ScaleX = m_newscaleX[i];
}
}
}
return(true);
}
return(false);
}
public override bool UnRun(CommandManager mgr)
{
if (m_DesignerContainer.Count() > 1)
{
DesignerContainer di = null;
for (var i = 0; i <= m_DesignerContainer.Count - 1; i++)
{
di = m_DesignerContainer[i];
if (di != null)
{
Canvas.SetLeft(di, oldleft[i]);
}
}
return(true);
}
return(false);
}
public override bool ReRun(CommandManager mgr)
{
if (mgr.CurrentCanvas.SelectionService.SelectedDesignerContainer.Count > 0)
{
DesignerContainer item = null;
for (var i = 0; i < mgr.CurrentCanvas.SelectionService.SelectedDesignerContainer.Count; i++)
{
item = mgr.CurrentCanvas.SelectionService.SelectedDesignerContainer[i] as DesignerContainer;
Canvas.SetLeft(item, m_newLeft[i]);
Canvas.SetTop(item, m_newTop[i]);
item.Height = m_newWidth[i];
item.Width = m_newHeight[i];
for (var j = 0; j <= m_angle.Count - 1; j++)
{
item.Angle = (m_angle[j]) % 360;
}
}
return(true);
}
return(false);
}
public string CreateNewName(CommandManager mgr, DesignerContainer di)
{
var name = "新建图元";
//name = name.Length > 4 ? name.Substring(0, 4) : name;
//if (string.IsNullOrEmpty(name))
//{
// name = "新建图元";
//}
index = 0;
var nameList = mgr.CurrentCanvas.Children.OfType <DesignerContainer>()
.ToDictionary(item => item.Name, item => item.ID);
int i = nameList.Count - 1;
while (nameList.ContainsKey(name))
{
i++;
name = "新建图元" + i;
}
return(name);
}
public override bool UnRun(CommandManager mgr)
{
DesignerContainer item = null;
for (var i = 0; i < M_list.Count; i++)
{
item = M_list[i] as DesignerContainer;
Canvas.SetLeft(item, m_oldLeft[i]);
Canvas.SetTop(item, m_oldTop[i]);
item.Width = m_oldWidth[i];
item.Height = m_oldHeight[i];
for (var j = 0; j <= m_angle.Count - 1; j++)
{
//Item.Angle = (m_angle[i] ) % 360;
item.Angle = (m_angle[j] + 90) % 360;
if (m_angleRedo == null)
{
m_angleRedo = new List <double>();
}
m_angleRedo.Add(item.Angle);
}
}
return(true);
}
public override bool ReRun(CommandManager mgr)
{
DesignerContainer item = null;
if (M_list.Count > 0)
{
for (var i = 0; i < M_list.Count; i++)
{
item = M_list[i] as DesignerContainer;
Canvas.SetTop(item, m_newTop[i]);
Canvas.SetLeft(item, m_newLeft[i]);
item.Height = m_newWidth[i];
item.Width = m_newHeight[i];
for (var j = 0; j <= m_angle.Count - 1; j++)
{
item.Angle = (m_angle[j]) % 360;
}
}
return(true);
}
return(false);
}
public override bool Run(CommandManager mgr, params object[] param)
{
dc = param[0] as DesignerCanvas;
var di = param[1] as DesignerContainer;
if (dc != null)
{
m_di = di;
dc.Add(di);
dc.SelectionService.SelectItem(di);
}
var adornerLayer = AdornerLayer.GetAdornerLayer(dc);
// PolylineAdorner adorner = dc.m_pAdorner;
//if (adornerLayer != null && adorner != null)
//{
// if (adorner.IsMouseCaptured)
// {
// adorner.ReleaseMouseCapture();
// }
// adornerLayer.Remove(adorner);
//}
return(true);
}
public static void Run(CommandManager cmgr, DesignerContainer item)
{
cmgr.Run <CommandDeleteBg>(item);
}
