/// <summary>
/// 新增一个可拖拽标准形状
/// </summary>
/// <param name="name"></param>
/// <param name="basicShape"></param>
/// <param name="size"></param>
/// <param name="point"></param>
/// <param name="background"></param>
/// <param name="borderBrush"></param>
/// <returns></returns>
public DragShape AddDragShape(string name, EmBasicShape basicShape, Size size, Point point, Brush background, Brush borderBrush, string sText = "")
{
int childCount = this.Children.Count;
DragShape shape = new DragShape()
{
CtrlName = string.IsNullOrEmpty(name) ? Guid.NewGuid().ToString("N") : name,
Background = background,
BorderBrush = borderBrush,
Name = "DragShape" + childCount.ToString(),
Width = size.Width,
Height = size.Height,
Position = point,
ZIndex = childCount,
BelongCanvas = this, //设置为当前Canvas
IsReadOnly = this.IsReadOnly, //只读
Text = sText,
BasicShapeType = basicShape,
ShapePoints = DrawBasicShape.GetShape(basicShape, size),
};
shape.DragDelta += DragDelta;
shape.DragStarted += DragStarted;
shape.DragCompleted += DragCompleted;
bSaved = false;
DragThumbs.Add(shape);
this.Children.Add(shape); //添加到界面上
Canvas.SetZIndex(shape, shape.ZIndex); //设置界面ZIndex属性
shape.IsSelected = !IsReadOnly;
return(shape);
}
public bool LoadFile(string filePath)
{
if (string.IsNullOrEmpty(filePath) || !File.Exists(filePath))
{
return(false);
}
XDocument xmlDoc = new XDocument();
xmlDoc = XDocument.Load(filePath);
XElement root = xmlDoc.Elements("root").FirstOrDefault();
if (root == null)
{
return(false);
}
XElement drags = root.Elements("FlowDesigns").FirstOrDefault();
if (drags == null)
{
return(false);
}
RemoveAllDragThumb(); //清除所有
IEnumerable <XElement> nodes = drags.Elements();
foreach (XElement item in nodes)
{
string name = item.Attribute("Name")?.Value ?? "";
string position = item.Attribute("Position")?.Value ?? "0,0";
string size = item.Attribute("Size")?.Value ?? "10,10";
string source = item.Attribute("Source")?.Value ?? ""; //图片路径
string sBackground = item.Attribute("Background")?.Value ?? "#FF00ACFF"; //背景色
Brush background = new SolidColorBrush((Color)ColorConverter.ConvertFromString(sBackground));
string sBorderBrush = item.Attribute("BorderBrush")?.Value ?? "White"; //边框
Brush borderBrush = new SolidColorBrush((Color)ColorConverter.ConvertFromString(sBorderBrush));
EmFlowCtrlType ctrlType =
(EmFlowCtrlType)
System.Enum.Parse(typeof(EmFlowCtrlType), item.Attribute("ItemType")?.Value ?? "None"); //控件类型
EmBasicShape shapeType =
(EmBasicShape)System.Enum.Parse(typeof(EmBasicShape), item.Attribute("Shape")?.Value ?? "None");
DragThumb newThumb = new DragThumb();
if (ctrlType == EmFlowCtrlType.Image)
{
if (!source.Contains(":"))
{
source = System.Environment.CurrentDirectory + (source[0] == '/' ? "" : "/") + source;
}
if (File.Exists(source))
{
newThumb = AddDragImage(name, SafeConverter.SafeToSize(size),
SafeConverter.SafeToPoint(position),
new BitmapImage(new Uri(source)), background, borderBrush);
}
}
else if (ctrlType == EmFlowCtrlType.PolygonSharp)
{
newThumb = AddDragShape(name, shapeType, SafeConverter.SafeToSize(size),
SafeConverter.SafeToPoint(position), background, borderBrush);
}
else if (ctrlType == EmFlowCtrlType.CircleSharp)
{
newThumb = AddDragCircle(name, SafeConverter.SafeToSize(size),
SafeConverter.SafeToPoint(position), background, borderBrush);
}
else if (ctrlType == EmFlowCtrlType.Video)
{
newThumb = AddDragVideo(name, SafeConverter.SafeToSize(size),
SafeConverter.SafeToPoint(position), source);
}
string sForeground = item.Attribute("Foreground")?.Value ?? "#FF000000"; //字体颜色
Brush foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(sForeground));
newThumb.Foreground = foreground;
string sFontWeight = item.Attribute("FontWeight")?.Value ?? "Normal"; //文本粗体
FontWeightConverter convert = new FontWeightConverter();
newThumb.FontWeight = (FontWeight)convert.ConvertFromString(sFontWeight);
string sFontSize = item.Attribute("FontSize")?.Value ?? "12"; //文字大小
newThumb.FontSize = Double.Parse(sFontSize);
newThumb.MonitorItem = SafeConverter.SafeToBool(item.Attribute("Monitor")); //是否监控
newThumb.ReadOnlyCanClick = SafeConverter.SafeToBool(item.Attribute("ReadOnlyCanClick")); //是否可以单击
string text = item.Attribute("Text")?.Value ?? "";
newThumb.Text = text;
}
return(true);
}
public static PointCollection GetShape(EmBasicShape shape, Size size)
{
PointCollection points = new PointCollection();
switch (shape)
{
case EmBasicShape.Ellipse:
break;
case EmBasicShape.Triangle: //三角形
points.Add(new Point(size.Width / 2, 0));
points.Add(new Point(size.Width, size.Height));
points.Add(new Point(0, size.Height));
break;
case EmBasicShape.Rectangle: //矩形
points.Add(new Point(0, 0));
points.Add(new Point(size.Width, 0));
points.Add(new Point(size.Width, size.Height));
points.Add(new Point(0, size.Height));
break;
case EmBasicShape.Pentagon: //五边形
points.Add(new Point(size.Width * 0.5, 0));
points.Add(new Point(size.Width, size.Height * 0.4));
points.Add(new Point(size.Width * 0.8, size.Height));
points.Add(new Point(size.Width * 0.2, size.Height));
points.Add(new Point(0, size.Height * 0.4));
break;
case EmBasicShape.Hexagon: //六边形
points.Add(new Point(size.Width * 0.25, 0));
points.Add(new Point(size.Width * 0.75, 0));
points.Add(new Point(size.Width, size.Height * 0.5));
points.Add(new Point(size.Width * 0.75, size.Height));
points.Add(new Point(size.Width * 0.25, size.Height));
points.Add(new Point(0, size.Height * 0.5));
break;
case EmBasicShape.Star5: //五角星
points.Add(new Point(size.Width * 0.5, 0));
points.Add(new Point(size.Width * 0.675, size.Height * 0.35));
points.Add(new Point(size.Width, size.Height * 0.425));
points.Add(new Point(size.Width * 0.75, size.Height * 0.675));
points.Add(new Point(size.Width * 0.8, size.Height));
points.Add(new Point(size.Width * 0.8, size.Height));
points.Add(new Point(size.Width * 0.5, size.Height * 0.8));
points.Add(new Point(size.Width * 0.2, size.Height));
points.Add(new Point(size.Width * 0.275, size.Height * 0.675));
points.Add(new Point(size.Width * 0, size.Height * 0.425));
points.Add(new Point(size.Width * 0.325, size.Height * 0.35));
break;
case EmBasicShape.Diamond:
points.Add(new Point(size.Width * 0.5, 0));
points.Add(new Point(size.Width, size.Height * 0.5));
points.Add(new Point(size.Width * 0.5, size.Height));
points.Add(new Point(0, size.Height * 0.5));
break;
case EmBasicShape.Parallelogram:
//points.Add(new Point(size.Width * 0.5, size.Height * 0.25));
//points.Add(new Point(size.Width, size.Height * 0.25));
//points.Add(new Point(size.Width * 0.5, size.Height*0.75));
//points.Add(new Point(0, size.Height * 0.75));
points.Add(new Point(size.Width * 0.5, 0));
points.Add(new Point(size.Width, 0));
points.Add(new Point(size.Width * 0.5, size.Height));
points.Add(new Point(0, size.Height));
break;
case EmBasicShape.Arrow:
points.Add(new Point(size.Width * 0, size.Height * 0.375));
points.Add(new Point(size.Width * 0.65, size.Height * 0.375));
points.Add(new Point(size.Width * 0.65, size.Height * 0.2));
points.Add(new Point(size.Width * 1, size.Height * 0.5));
points.Add(new Point(size.Width * 0.65, size.Height * 0.8));
points.Add(new Point(size.Width * 0.65, size.Height * 0.625));
points.Add(new Point(size.Width * 0, size.Height * 0.625));
break;
case EmBasicShape.DoubleArrow:
points.Add(new Point(size.Width * 0, size.Height * 0.5));
points.Add(new Point(size.Width * 0.35, size.Height * 0.2));
points.Add(new Point(size.Width * 0.35, size.Height * 0.375));
points.Add(new Point(size.Width * 0.65, size.Height * 0.375));
points.Add(new Point(size.Width * 0.65, size.Height * 0.2));
points.Add(new Point(size.Width * 1, size.Height * 0.5));
points.Add(new Point(size.Width * 0.65, size.Height * 0.8));
points.Add(new Point(size.Width * 0.65, size.Height * 0.625));
points.Add(new Point(size.Width * 0.35, size.Height * 0.625));
points.Add(new Point(size.Width * 0.35, size.Height * 0.8));
break;
case EmBasicShape.SlopeArrow:
points.Add(new Point(size.Width * 0, size.Height * 0.5));
points.Add(new Point(size.Width * 0.65, size.Height * 0.375));
points.Add(new Point(size.Width * 0.65, size.Height * 0.2));
points.Add(new Point(size.Width * 1, size.Height * 0.5));
points.Add(new Point(size.Width * 0.65, size.Height * 0.8));
points.Add(new Point(size.Width * 0.65, size.Height * 0.625));
break;
case EmBasicShape.ConnectionArrow:
points.Add(new Point(size.Width * 0, size.Height * 0.5 - 0.5));
points.Add(new Point(size.Width - 8, size.Height * 0.5 - 0.5));
points.Add(new Point(size.Width - 8, size.Height * 0.5 - 4));
points.Add(new Point(size.Width, size.Height * 0.5));
points.Add(new Point(size.Width - 8, size.Height * 0.5 + 4));
points.Add(new Point(size.Width - 8, size.Height * 0.5));
points.Add(new Point(size.Width * 0, size.Height * 0.5));
break;
default:
break;
}
return(points);
}
private void bPaste_OnItemClick(object sender, ItemClickEventArgs e)
{
string sCopyValue = Clipboard.GetText();
if (string.IsNullOrEmpty(sCopyValue))
{
return;
}
cvMain.ClearAllSelectedThumb();
cvMain.bMultiSelect = true;
string[] dragThumbs = sCopyValue.Split('@');
if ((dragThumbs.Length <= 1) || (dragThumbs[0] != "DragThumb")) //纯文本
{
cvMain.AddDragShape("", EmBasicShape.Rectangle, new Size(100, 75), new Point(20, 20), Brushes.Transparent, Brushes.Transparent, sCopyValue);
cvMain.bMultiSelect = false;
return;
}
for (int i = 1; i < dragThumbs.Length; i++)
{
string[] values = dragThumbs[i].Split('|');
if (values.Length != 12)
{
continue;
}
EmFlowCtrlType ctrlType = (EmFlowCtrlType)System.Enum.Parse(typeof(EmFlowCtrlType), values[0]); //0控件类型
string position = values[1]; //1位置
Point pos = SafeConverter.SafeToPoint(position);
pos.X += 20;
pos.Y += 20;
string size = values[2]; //2尺寸
string sBackground = values[3]; //背景色
string sBorderBrush = values[4]; //边框
string text = values[5]; //文本
string sForeground = values[6]; //字体颜色
string sFontWeight = values[7]; //文本粗体
string sFontSize = values[8]; //文字大小
EmBasicShape shapeType = (EmBasicShape)System.Enum.Parse(typeof(EmBasicShape), values[9]); //形状类型
string source = values[10]; //图片路径
Brush background = new SolidColorBrush((Color)ColorConverter.ConvertFromString(sBackground));
Brush borderBrush = new SolidColorBrush((Color)ColorConverter.ConvertFromString(sBorderBrush));
Brush foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString(sForeground));
DragThumb newThumb = new DragThumb();
if (ctrlType == EmFlowCtrlType.Image)
{
if (File.Exists(source))
{
newThumb = cvMain.AddDragImage((Guid.NewGuid().ToString("N")), SafeConverter.SafeToSize(size),
pos, new BitmapImage(new Uri(source)), background, borderBrush);
}
}
else if (ctrlType == EmFlowCtrlType.PolygonSharp)
{
newThumb = cvMain.AddDragShape((Guid.NewGuid().ToString("N")), shapeType, SafeConverter.SafeToSize(size),
pos, background, borderBrush);
}
else if (ctrlType == EmFlowCtrlType.CircleSharp)
{
newThumb = cvMain.AddDragCircle((Guid.NewGuid().ToString("N")), SafeConverter.SafeToSize(size),
pos, background, borderBrush);
}
newThumb.Text = text;
newThumb.FontSize = Double.Parse(sFontSize);
newThumb.Foreground = foreground;
newThumb.FontWeight = (FontWeight)(new FontWeightConverter()).ConvertFromString(sFontWeight);
}
cvMain.bMultiSelect = false;
}
