public WorkspaceActionEventArgs(CanvasInfo canvasInfo,DesignItemInfo[] designItemInfos, DesignConnectionInfo[] designConnectionInfos)
: base()
{
this._CanvasInfo = canvasInfo;
this._designItemInfos = designItemInfos;
this._designConnectionInfos = designConnectionInfos;
}
public static DesignItem CreateDesignItem(DesignItemInfo designItemInfo)
{
var currentDate = DateTime.Now;
designItemInfo.CreateDate = currentDate;
designItemInfo.ModifyDate = currentDate;
var shape = new Shape();
var shapeInfoUnit = new ItemShapeInfoUnit(designItemInfo);
shape.ShapeInfoUnit = shapeInfoUnit;
shape.IsHitTestVisible = false;
shape.Style = Application.Current.Resources[designItemInfo.StyleKey] as Style;
if (designItemInfo.SvgBuffer != null)
{
using (var stream = new MemoryStream(designItemInfo.SvgBuffer))
{
var svgDrawing = SvgHelper.CreateSvgImage(stream); //SvgHelper.CreateSvgViewBox(stream);
if (svgDrawing != null)
{
shapeInfoUnit.SvgDrawing = svgDrawing;
shape.SetBinding(Shape.ContentProperty, BindingHelper.CreateBinding(shapeInfoUnit, "SvgDrawing"));
}
}
}
shape.SetBinding(Shape.TextProperty, BindingHelper.CreateBinding(designItemInfo, "Text"));
if (!string.IsNullOrEmpty(designItemInfo.DesignInfo.Backgroud))
{
var brushConverter = new BrushConverter();
shape.Background = (Brush)brushConverter.ConvertFromString(designItemInfo.DesignInfo.Backgroud);
}
var designItem = new DesignItem(designItemInfo.ID);
designItem.ParentID = designItemInfo.ParentID;
designItem.Content = shape;
designItem.SetBinding(DesignItem.LinkButtonVisibilityProperty, BindingHelper.CreateBinding(designItemInfo, "LinkButtonVisibility"));
designItem.SetBinding(DesignItem.WidthProperty, BindingHelper.CreateBinding(designItemInfo,"Width"));
designItem.SetBinding(DesignItem.HeightProperty, BindingHelper.CreateBinding(designItemInfo, "Height"));
designItem.SetBinding(DesignCanvas.LeftProperty, BindingHelper.CreateBinding(designItemInfo, "X"));
designItem.SetBinding(DesignCanvas.TopProperty, BindingHelper.CreateBinding(designItemInfo, "Y"));
designItem.SetBinding(DesignCanvas.ZIndexProperty, BindingHelper.CreateBinding(designItemInfo, "ZIndex"));
return designItem;
}
public virtual void RaiseDesignItemLinkButtonDoubleClick(DesignItemInfo designItemInfo)
{
if (DesignItemLinkButtonDoubleClick != null)
{
DesignItemLinkButtonDoubleClick(this, new SingleDesignItemActionEventArgs(designItemInfo));
}
}
public DesignConnectionValidationEventArgs(DesignItemInfo sourceItemInfo, DesignItemInfo sinkItemInfo)
: base()
{
this._sourceItemInfo = sourceItemInfo;
this._sinkItemInfo = sinkItemInfo;
}
public MultiDesignItemActionEventArgs(DesignItemInfo[] designItemInfos)
: base()
{
this._designItemInfos = designItemInfos;
}
public void SelectDesignItem(DesignItemInfo designItemInfo)
{
this.canvas.SelectDesignItem(designItemInfo);
}
public virtual void RaisePreAddDesignConnection(DesignItemInfo sourceItemInfo, DesignItemInfo sinkItemInfo)
{
if (PreAddDesignConnection != null)
{
PreAddDesignConnection(this, new DesignConnectionValidationEventArgs(sourceItemInfo, sinkItemInfo));
}
}
public virtual void RaiseDesignWorkspaceSaving(CanvasInfo canvasInfo, DesignItemInfo[] designItemInfos, DesignConnectionInfo[] designConnectionInfos)
{
if (DesignWorkspaceSaving != null)
{
DesignWorkspaceSaving(this, new WorkspaceActionEventArgs(canvasInfo, designItemInfos, designConnectionInfos));
}
}
public virtual void RaiseDesignItemSelected(DesignItemInfo designItemInfo)
{
if (DesignItemSelected != null)
{
DesignItemSelected(this, new SingleDesignItemActionEventArgs(designItemInfo));
}
}
public void SelectDesignItem(DesignItemInfo designItemInfo)
{
var designItem = this.Children.OfType<DesignItem>().First(a => a.ID == designItemInfo.ID);
var scrollViewer = this.Parent as ScrollViewer;
var itemLeft = DesignCanvas.GetLeft(designItem);
var itemTop = DesignCanvas.GetTop(designItem);
var itemCenterLeft = itemLeft + designItem.ActualWidth / 2.0;
var itemCenterTop = itemTop + designItem.ActualHeight / 2.0;
if (!(itemCenterLeft > scrollViewer.HorizontalOffset && itemCenterLeft < scrollViewer.ViewportWidth + scrollViewer.HorizontalOffset &&
itemCenterTop > scrollViewer.VerticalOffset && itemCenterTop < scrollViewer.ViewportHeight + scrollViewer.VerticalOffset))
{
var itemRight = this.ActualWidth - itemLeft - designItem.ActualWidth;
var itemBottom = this.ActualHeight - itemTop - designItem.ActualHeight;
var itemCenterMinMarginWidth = Math.Min(itemLeft, itemRight) + designItem.ActualWidth / 2.0;
var itemCenterMinMarginHeight = Math.Min(itemTop, itemBottom) + designItem.ActualHeight / 2.0;
var viewCenterWith = scrollViewer.ViewportWidth / 2.0;
var viewCenterHeight = scrollViewer.ViewportHeight / 2.0;
var x = 0.0;
var y = 0.0;
var width = 0.0;
var height = 0.0;
if (itemCenterMinMarginWidth > viewCenterWith)
{
x = itemCenterLeft - viewCenterWith;
width = viewCenterWith * 2.0;
}
else
{
x = itemCenterLeft - itemCenterMinMarginWidth;
width = itemCenterMinMarginWidth * 2.0;
}
if (itemCenterMinMarginHeight > viewCenterHeight)
{
y = itemCenterTop - viewCenterHeight;
height = viewCenterHeight * 2.0;
}
else
{
y = itemCenterTop - itemCenterMinMarginHeight;
height = itemCenterMinMarginHeight * 2;
}
this.BringIntoView(new Rect(x, y, width, height));
}
else
{
designItem.BringIntoView();
}
this.selectionService.SelectItem(designItem);
}
public MultiDesignShapeActionEventArgs(DesignItemInfo[] designItemInfos, DesignConnectionInfo[] designConnectionInfos)
: base()
{
this._designItemInfos = designItemInfos;
this._designConnectionInfos = designConnectionInfos;
}
public DesignItemCollectionChangedEventArgs(DesignItemInfo[] designItemInfos)
: base()
{
this._designItemInfos = designItemInfos;
}
protected override void OnDrop(DragEventArgs e)
{
base.OnDrop(e);
DragObject dragObject = e.Data.GetData(typeof(DragObject)) as DragObject;
if (dragObject != null && dragObject.ShapeInfoUnites != null)
{
if (dragObject.ShapeInfoUnites.Length == 1)
{
if (dragObject.ShapeInfoUnites[0].ShapeInfo.ShapeType == ShapeType.DesignItem)
{
var designItemInfo = new DesignItemInfo(dragObject.ShapeInfoUnites[0].ShapeInfo as ItemShapeInfo);
designItemInfo.ID = Guid.NewGuid();
designItemInfo.ZIndex = this.Children.Count;
var designItemInfos = this.CurrentDesignItemInfos.Union(new DesignItemInfo[] { designItemInfo }).ToArray();
this.RaiseAddingDesignItem(designItemInfos);
var designItem = DesignShapeHelper.CreateDesignItem(designItemInfo);
Point position = e.GetPosition(this);
if (dragObject.DesiredSize.HasValue)
{
Size desiredSize = dragObject.DesiredSize.Value;
designItem.Width = desiredSize.Width;
designItem.Height = desiredSize.Height;
DesignCanvas.SetLeft(designItem, Math.Max(0, position.X - designItem.Width / 2));
DesignCanvas.SetTop(designItem, Math.Max(0, position.Y - designItem.Height / 2));
}
else
{
DesignCanvas.SetLeft(designItem, Math.Max(0, position.X));
DesignCanvas.SetTop(designItem, Math.Max(0, position.Y));
}
Canvas.SetZIndex(designItem, this.Children.Count);
this.Children.Add(designItem);
SetConnectorDecoratorTemplate(designItem);
this.SelectionService.SelectItem(designItem);
designItem.Focus();
this.RaiseAddedDesignItem(designItemInfo);
this.CurrentDesignItemInfos.Add(designItemInfo);
this.RaiseDesignItemCollectionChanged(this.CurrentDesignItemInfos.Where(a=>!a.IsGroup).ToArray());
}
else
{
//ToDo
}
}
else
{
//ToDo
}
if (this.selectionService.IsSelectionChanged)
{
this.selectionService.RaiseDesignShapeSelectAction();
}
e.Handled = true;
}
}
internal void OnLinkButtonClick(DesignItemInfo designItemInfo)
{
if (this._LinkButtonClick == null) return;
this._LinkButtonClick(this, new SingleDesignItemActionEventArgs(designItemInfo));
}
public virtual void RaiseDesignItemMouseRightClick(DesignItemInfo designItemInfo)
{
if (DesignItemMouseRightClick != null)
{
DesignItemMouseRightClick(this, new SingleDesignItemActionEventArgs(designItemInfo));
}
}
public virtual void RaiseDesignItemMultiSelected(DesignItemInfo[] designItemInfos)
{
if (DesignItemMultiSelected != null)
{
DesignItemMultiSelected(this, new MultiDesignItemActionEventArgs(designItemInfos));
}
}
public void LoadDesignInfo(CanvasInfo canvasInfo, DesignItemInfo[] designItemInfos, DesignConnectionInfo[] designConnectionInfos)
{
var originalDesignItemInfos = new List<DesignItemInfo>();
var originalDesignConnectionInfos = new List<DesignConnectionInfo>();
var designItemInfo = (DesignItemInfo)null;
var designConnectionInfo = (DesignConnectionInfo)null;
foreach (var item in designItemInfos)
{
designItemInfo = new DesignItemInfo();
designItemInfo.ShapeType = ShapeType.DesignItem;
designItemInfo.ShapeCategory = item.ShapeCategory;
designItemInfo.SerialNo = item.SerialNo;
designItemInfo.GroupID = item.GroupID;
designItemInfo.IsInGroup = item.IsInGroup;
designItemInfo.StyleKey = item.StyleKey;
designItemInfo.Style = item.Style;
designItemInfo.ToolTip = item.ToolTip;
designItemInfo.IsChecked = item.IsChecked;
designItemInfo.IsEnabled = item.IsEnabled;
designItemInfo.Text = item.Text;
designItemInfo.ID = item.ID;
designItemInfo.ZIndex = item.ZIndex;
designItemInfo.DesignInfo.Backgroud = item.DesignInfo.Backgroud;
designItemInfo.DesignInfo.Foreground = item.DesignInfo.Foreground;
designItemInfo.DesignInfo.FontSize = item.DesignInfo.FontSize;
designItemInfo.DesignInfo.Bold = item.DesignInfo.Bold;
designItemInfo.DesignInfo.Italic = item.DesignInfo.Italic;
designItemInfo.DesignInfo.HorizontalAlignment = item.DesignInfo.HorizontalAlignment;
designItemInfo.DesignInfo.VerticalAlignment = item.DesignInfo.VerticalAlignment;
designItemInfo.ParentID = item.ParentID;
designItemInfo.X = item.X;
designItemInfo.Y = item.Y;
designItemInfo.Width = item.Width;
designItemInfo.Height = item.Height;
originalDesignItemInfos.Add(designItemInfo);
}
foreach (var item in designConnectionInfos)
{
designConnectionInfo = new DesignConnectionInfo();
designConnectionInfo.ShapeType = ShapeType.DesignItem;
designConnectionInfo.ShapeCategory = item.ShapeCategory;
designConnectionInfo.SerialNo = item.SerialNo;
designConnectionInfo.GroupID = item.GroupID;
designConnectionInfo.IsInGroup = item.IsInGroup;
designConnectionInfo.StyleKey = item.StyleKey;
designConnectionInfo.Style = item.Style;
designConnectionInfo.ToolTip = item.ToolTip;
designConnectionInfo.IsChecked = item.IsChecked;
designConnectionInfo.IsEnabled = item.IsEnabled;
designConnectionInfo.Text = item.Text;
designConnectionInfo.ID = item.ID;
designConnectionInfo.ZIndex = item.ZIndex;
designConnectionInfo.DesignInfo.Backgroud = item.DesignInfo.Backgroud;
designConnectionInfo.DesignInfo.Foreground = item.DesignInfo.Foreground;
designConnectionInfo.DesignInfo.FontSize = item.DesignInfo.FontSize;
designConnectionInfo.DesignInfo.Bold = item.DesignInfo.Bold;
designConnectionInfo.DesignInfo.Italic = item.DesignInfo.Italic;
designConnectionInfo.DesignInfo.HorizontalAlignment = item.DesignInfo.HorizontalAlignment;
designConnectionInfo.DesignInfo.VerticalAlignment = item.DesignInfo.VerticalAlignment;
designConnectionInfo.SourceID = item.SourceID;
designConnectionInfo.SourceOrientation = item.SourceOrientation;
designConnectionInfo.SinkID = item.SinkID;
designConnectionInfo.SinkOrientation = item.SinkOrientation;
designConnectionInfo.PathGeometry = item.PathGeometry;
originalDesignConnectionInfos.Add(designConnectionInfo);
}
this.OriginalDesignItemInfos = this.OriginalDesignItemInfos;
this.OriginalDesignConnectionInfos = this.OriginalDesignConnectionInfos;
this.CurrentDesignItemInfos.AddRange(this.OriginalDesignItemInfos);
this.RaiseDesignItemCollectionChanged(this.CurrentDesignItemInfos.ToArray());
}
public virtual void RaiseDesignShapeMultiSelected(DesignItemInfo[] designItemInfos, DesignConnectionInfo[] designConnectionInfos)
{
if (DesignShapeMultiSelected != null)
{
DesignShapeMultiSelected(this, new MultiDesignShapeActionEventArgs(designItemInfos, designConnectionInfos));
}
}
public SingleDesignItemActionEventArgs(DesignItemInfo designItemInfo)
: base()
{
this._designItemInfo = designItemInfo;
}
public virtual void RaiseModifyingDesignShapes(DesignItemInfo[] designItemInfos, DesignConnectionInfo[] designConnectionInfos)
{
if (ModifyingDesignShapes != null)
{
ModifyingDesignShapes(this, new MultiDesignShapeActionEventArgs(designItemInfos, designConnectionInfos));
}
}
public DesignItemExecutedRoutedEventArgs(DesignItemInfo designItemInfo)
: base()
{
this._designItemInfo = designItemInfo;
}
public virtual void RaisePreAddDesignItem(DesignItemInfo[] designItemInfos)
{
if (PreAddDesignItem != null)
{
PreAddDesignItem(this, new DesignItemValidationEventArgs(designItemInfos));
}
}
public DesignItemValidationEventArgs(DesignItemInfo[] designItemInfos)
: base()
{
this._designItemInfos = designItemInfos;
}
public void LoadDesignInfo(CanvasInfo canvasInfo, DesignItemInfo[] designItemInfos, DesignConnectionInfo[] designConnectionInfos)
{
this.canvas.LoadDesignInfo(canvasInfo, designItemInfos, designConnectionInfos);
}
public virtual void RaiseAddedDesignItem(DesignItemInfo designItemInfo)
{
if (AddedDesignItem != null)
{
AddedDesignItem(this, new SingleDesignItemActionEventArgs(designItemInfo));
}
}
public virtual void RaiseDesignItemCollectionChanged(DesignItemInfo[] designItemInfos)
{
if (DesignItemCollectionChanged != null)
{
DesignItemCollectionChanged(this, new DesignItemCollectionChangedEventArgs(designItemInfos));
}
}
private ShapeInfoUnit[] ToShapeInfoUnites(DesignItemInfo[] designItemInfos)
{
return designItemInfos.Select(a =>
{
var shapeInfoUnit = new ItemShapeInfoUnit(a);
if (a.SvgBuffer != null)
{
using (var stream = new MemoryStream(a.SvgBuffer))
{
var svgDrawing = SvgHelper.CreateSvgViewBox(stream);
if (svgDrawing != null)
{
shapeInfoUnit.SvgDrawing = svgDrawing;
}
}
}
return shapeInfoUnit;
}
).ToArray();
}
