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https://gitee.com/akwkevin/aistudio.-wpf.-diagram
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添加项目文件。
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akwkevin
136
AIStudio.Wpf.ADiagram/Demos/Flowchart/ViewModels/FlowNode.cs
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136
AIStudio.Wpf.ADiagram/Demos/Flowchart/ViewModels/FlowNode.cs
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using AIStudio.Wpf.ADiagram.Helpers;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using Util.DiagramDesigner;
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namespace AIStudio.Wpf.ADiagram.Demos.Flowchart
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{
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public class FlowNode : DesignerItemViewModelBase
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{
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public FlowNode(NodeKinds kind) : base()
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{
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Kind = kind;
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Text = Kind.GetDescription();
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ShowText = true;
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ItemWidth = 80;
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ItemHeight = 40;
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}
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public FlowNode(IDiagramViewModel parent, DesignerItemBase designer) : base(parent, designer)
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{
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}
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protected override void Init()
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{
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base.Init();
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ShowRotate = false;
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}
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protected override void LoadDesignerItemViewModel(IDiagramViewModel parent, SelectableDesignerItemBase designerbase)
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{
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base.LoadDesignerItemViewModel(parent, designerbase);
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FlowNodeDesignerItem designer = designerbase as FlowNodeDesignerItem;
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this.Color = designer.Color;
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this.Kind = designer.Kind;
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this.StateImage = designer.StateImage;
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if (this is MiddleFlowNode middle)
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{
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middle.UserIds = designer.UserIds;
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middle.RoleIds = designer.RoleIds;
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middle.ActType = designer.ActType;
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}
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}
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private string _color;
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[Browsable(true)]
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public string Color
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{
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get { return _color; }
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set
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{
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SetProperty(ref _color, value);
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}
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}
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[Browsable(false)]
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public NodeKinds Kind { get; set; }
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[Browsable(false)]
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public string StateImage { get; set; }
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}
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public class StartFlowNode : FlowNode
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{
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public StartFlowNode() : base(NodeKinds.Start)
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{
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}
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public StartFlowNode(IDiagramViewModel parent, DesignerItemBase designer) : base(parent, designer)
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{
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}
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}
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public class EndFlowNode : FlowNode
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{
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public EndFlowNode() : base(NodeKinds.End)
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{
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}
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public EndFlowNode(IDiagramViewModel parent, DesignerItemBase designer) : base(parent, designer)
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{
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}
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}
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public class DecideFlowNode : FlowNode
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{
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public DecideFlowNode() : base(NodeKinds.Decide)
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{
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}
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public DecideFlowNode(IDiagramViewModel parent, DesignerItemBase designer) : base(parent, designer)
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{
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}
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}
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public class COBeginFlowNode : FlowNode
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{
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public COBeginFlowNode() : base(NodeKinds.COBegin)
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{
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}
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public COBeginFlowNode(IDiagramViewModel parent, DesignerItemBase designer) : base(parent, designer)
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{
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}
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}
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public class COEndFlowNode : FlowNode
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{
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public COEndFlowNode() : base(NodeKinds.COEnd)
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{
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}
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public COEndFlowNode(IDiagramViewModel parent, DesignerItemBase designer) : base(parent, designer)
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{
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}
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}
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}
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129
AIStudio.Wpf.ADiagram/Demos/Flowchart/ViewModels/FlowNode.xaml
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129
AIStudio.Wpf.ADiagram/Demos/Flowchart/ViewModels/FlowNode.xaml
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<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:model="clr-namespace:AIStudio.Wpf.ADiagram.Models"
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xmlns:s="clr-namespace:Util.DiagramDesigner;assembly=Util.DiagramDesigner"
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xmlns:demo="clr-namespace:AIStudio.Wpf.ADiagram.Demos.Flowchart"
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xmlns:converter="clr-namespace:AIStudio.Wpf.ADiagram.Converters">
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<converter:HtmlColorConverter x:Key="HtmlColorConverter"/>
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<s:ColorBrushConverter x:Key="ColorBrushConverter"/>
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<ControlTemplate x:Key="NormalNodeStyle" TargetType="{x:Type ContentControl}">
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<Grid>
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<Border BorderThickness="1" BorderBrush="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" Background="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}">
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<Grid>
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<Border HorizontalAlignment="Left" Width="3" Background="{Binding Color}"/>
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</Grid>
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</Border>
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</Grid>
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</ControlTemplate>
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<ControlTemplate x:Key="StartNodeStyle" TargetType="{x:Type ContentControl}">
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<Grid>
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<Border CornerRadius="3" BorderThickness="1" BorderBrush="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" Background="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}">
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<Grid>
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<Border HorizontalAlignment="Left" CornerRadius="3,0,0,3" Width="3" Background="{Binding Color}"/>
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</Grid>
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</Border>
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</Grid>
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</ControlTemplate>
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<ControlTemplate x:Key="EndNodeStyle" TargetType="{x:Type ContentControl}">
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<Grid>
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<Border CornerRadius="3" BorderThickness="1" BorderBrush="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" Background="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}">
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<Grid>
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<Border HorizontalAlignment="Left" CornerRadius="3,0,0,3" Width="3" Background="{Binding Color}"/>
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</Grid>
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</Border>
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</Grid>
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</ControlTemplate>
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<ControlTemplate x:Key="MiddleNodeStyle" TargetType="{x:Type ContentControl}">
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<Grid>
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<Border BorderThickness="1" BorderBrush="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" Background="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}">
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<Grid>
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<Border HorizontalAlignment="Left" Width="3" Background="{Binding Color}"/>
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</Grid>
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</Border>
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</Grid>
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</ControlTemplate>
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<ControlTemplate x:Key="DecideNodeStyle" TargetType="{x:Type ContentControl}">
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<Grid>
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<Path Stroke="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" Fill="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}" StrokeThickness="1" Stretch="Fill" Data="M 0,0.25 L 0.5 0 L 1,0.25 L 0.5,0.5 Z"></Path>
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</Grid>
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</ControlTemplate>
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<ControlTemplate x:Key="COBeginNodeStyle" TargetType="{x:Type ContentControl}">
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<Grid>
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<Border BorderThickness="1" BorderBrush="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" Background="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}">
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<Grid>
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<Border HorizontalAlignment="Left" Width="3" Background="{Binding Color}"/>
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</Grid>
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</Border>
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</Grid>
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</ControlTemplate>
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<ControlTemplate x:Key="COEndNodeStyle" TargetType="{x:Type ContentControl}">
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<Grid>
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<Border BorderThickness="1" BorderBrush="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" Background="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}">
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<Grid>
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<Border HorizontalAlignment="Left" Width="3" Background="{Binding Color}"/>
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</Grid>
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</Border>
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</Grid>
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</ControlTemplate>
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<Style x:Key="CustomFlowNodeStyle" TargetType="{x:Type ContentControl}">
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<Setter Property="Template" Value="{StaticResource NormalNodeStyle}" />
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<Style.Triggers>
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<DataTrigger Binding="{Binding Kind}" Value="Start">
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<Setter Property="Template" Value="{StaticResource StartNodeStyle}" />
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</DataTrigger>
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<DataTrigger Binding="{Binding Kind}" Value="End">
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<Setter Property="Template" Value="{StaticResource EndNodeStyle}" />
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</DataTrigger>
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<DataTrigger Binding="{Binding Kind}" Value="Middle">
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<Setter Property="Template" Value="{StaticResource MiddleNodeStyle}" />
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</DataTrigger>
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<DataTrigger Binding="{Binding Kind}" Value="Decide">
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<Setter Property="Template" Value="{StaticResource DecideNodeStyle}" />
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</DataTrigger>
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<DataTrigger Binding="{Binding Kind}" Value="COBegin">
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<Setter Property="Template" Value="{StaticResource COBeginNodeStyle}" />
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</DataTrigger>
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<DataTrigger Binding="{Binding Kind}" Value="COEnd">
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<Setter Property="Template" Value="{StaticResource COEndNodeStyle}" />
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</DataTrigger>
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</Style.Triggers>
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</Style>
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<DataTemplate DataType="{x:Type model:FlowchartToolBoxData}">
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<Grid Width="{Binding Width}" Height="{Binding Height}">
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<Rectangle Name="Border"
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StrokeThickness="1"
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StrokeDashArray="2"
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Fill="Transparent"
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SnapsToDevicePixels="true"/>
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<Viewbox Stretch="Fill">
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<Grid>
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<ContentControl Style="{StaticResource CustomFlowNodeStyle}" Margin="2"/>
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<TextBlock Text="{Binding Text}" Margin="5" Foreground="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" VerticalAlignment="Center" HorizontalAlignment="Center" />
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</Grid>
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</Viewbox>
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</Grid>
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<DataTemplate.Triggers>
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<Trigger Property="IsMouseOver" Value="true">
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<Setter TargetName="Border" Property="Stroke" Value="Gray"/>
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</Trigger>
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</DataTemplate.Triggers>
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</DataTemplate>
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<DataTemplate DataType="{x:Type demo:FlowNode}">
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<Grid IsHitTestVisible="False">
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<ContentControl Style="{StaticResource CustomFlowNodeStyle}"/>
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</Grid>
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</DataTemplate>
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</ResourceDictionary>
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@@ -0,0 +1,60 @@
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using AIStudio.Wpf.ADiagram.Controls;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Util.DiagramDesigner;
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namespace AIStudio.Wpf.ADiagram.Demos.Flowchart
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{
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public class MiddleFlowNode : FlowNode
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{
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public MiddleFlowNode() : base(NodeKinds.Middle)
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{
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}
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public MiddleFlowNode(IDiagramViewModel parent, DesignerItemBase designer) : base(parent, designer)
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{
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}
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private List<string> _userIds = new List<string>();
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[Browsable(true)]
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[StyleName("UserIdsStyle")]
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public List<string> UserIds
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{
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get { return _userIds; }
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set
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{
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SetProperty(ref _userIds, value);
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}
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}
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private List<string> _roleIds = new List<string>();
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[Browsable(true)]
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[StyleName("RoleIdsStyle")]
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public List<string> RoleIds
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{
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get { return _roleIds; }
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set
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{
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SetProperty(ref _roleIds, value);
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}
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}
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private string _actType;
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[Browsable(true)]
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[StyleName("ActTypeStyle")]
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public string ActType
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{
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get { return _actType; }
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set
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{
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SetProperty(ref _actType, value);
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}
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}
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}
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}
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