mirror of
https://gitee.com/akwkevin/aistudio.-wpf.-diagram
synced 2026-03-03 00:00:57 +08:00
310 lines
14 KiB
C#
310 lines
14 KiB
C#
using System;
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using System.ComponentModel;
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using System.Data;
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using System.Runtime.InteropServices;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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namespace AIStudio.Wpf.Block.Controls
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{
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public class NextForBlockPanel : BlockPanel
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{
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public NextForBlockPanel()
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{
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}
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#region 方法重写
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private UIElement Header
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{
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get
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{
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return InternalChildren.Count >= 0 ? InternalChildren[0] : null;
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}
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}
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private UIElement Content
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{
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get
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{
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return InternalChildren.Count >= 1 ? InternalChildren[1] : null;
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}
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}
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private UIElement Footer
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{
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get
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{
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return InternalChildren.Count >= 2 ? InternalChildren[2] : null;
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}
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}
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public double Insideheight { get; set; } = 6;
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public double Insidewidth { get; set; } = 21;
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public double Insideoffset { get; set; } = 14;
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public double Leftpanelwidth { get; set; } = 10;
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public double Minwidth { get; set; } = 109;
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public double Minheaderheight { get; set; } = 34;
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public double Mincontentheight { get; set; } = 16;
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public double Minfooterheight { get; set; } = 26;
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private double _width;
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private double _headerheight;
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private double _contentheight;
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private double _footerheight;
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/// <summary>
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/// 该方法用于测量整个控件的大小
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/// </summary>
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/// <param name="constraint"></param>
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/// <returns>控件的大小</returns>
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protected override Size MeasureOverride(Size constraint)
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{
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Thickness padding = this.Padding;
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_width = Minwidth;
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if (Header != null)
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{
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//测量子控件的大小
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Header.Measure(constraint);
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_width = Math.Max(Minwidth, Header.DesiredSize.Width + padding.Left + padding.Right);
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_headerheight = Math.Max(Minheaderheight, Header.DesiredSize.Height + padding.Top + padding.Bottom);
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}
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else
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{
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_headerheight = Minheaderheight;
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}
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if (Content != null)
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{
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//测量子控件的大小
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Content.Measure(constraint);
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_width = Math.Max(Minwidth, Content.DesiredSize.Width + padding.Left + padding.Right + Leftpanelwidth);
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_contentheight = Math.Max(Mincontentheight, Content.DesiredSize.Height + padding.Top + padding.Bottom);
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}
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else
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{
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_contentheight = Mincontentheight;
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}
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if (Footer != null)
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{
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//测量子控件的大小
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Footer.Measure(constraint);
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_width = Math.Max(Minwidth, Footer.DesiredSize.Width + padding.Left + padding.Right);
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_footerheight = Math.Max(Minfooterheight, Footer.DesiredSize.Height + padding.Top + padding.Bottom);
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}
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else
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{
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_footerheight = Minfooterheight;
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}
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return new Size(_width, _headerheight + _contentheight + _footerheight);
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}
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/// <summary>
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/// 设置子控件的大小与位置
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/// </summary>
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/// <param name="arrangeSize"></param>
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/// <returns></returns>
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protected override Size ArrangeOverride(Size arrangeSize)
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{
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Thickness padding = this.Padding;
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if (Header != null)
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{
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Header.Arrange(new Rect(new Point(padding.Left, padding.Top), new Size(_width - padding.Left - padding.Right, _headerheight - padding.Top - padding.Bottom)));
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}
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if (Content != null)
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{
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Content.Arrange(new Rect(new Point(padding.Left + Leftpanelwidth, padding.Top + _headerheight), new Size(_width - Leftpanelwidth - padding.Left - padding.Right, _contentheight - padding.Top - padding.Bottom)));
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}
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if (Footer != null)
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{
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Footer.Arrange(new Rect(new Point(padding.Left, padding.Top + _headerheight + _contentheight), new Size(_width - padding.Left - padding.Right, _footerheight - padding.Top - padding.Bottom)));
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}
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return base.ArrangeOverride(arrangeSize);
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}
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/// <summary>
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/// 绘制控件
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/// </summary>
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/// <param name="drawingContext"></param>
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protected override void OnRender(DrawingContext drawingContext)
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{
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Thickness padding = this.Padding;
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Pen pen = new Pen();
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pen.Brush = this.BorderBrush;
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pen.Thickness = this.BorderThickness.Left;// NextForBlockBorder.RoundLayoutValue(BorderThickness.Left, DoubleUtil.DpiScaleX);
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Geometry cg = CreateGeometry(_width, _headerheight, _contentheight, _footerheight);
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Brush brush = CreateFillBrush();
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GuidelineSet guideLines = new GuidelineSet();
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drawingContext.PushGuidelineSet(guideLines);
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drawingContext.DrawGeometry(brush, pen, cg);
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base.OnRender(drawingContext);
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}
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#endregion
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#region 私有方法
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private Geometry CreateGeometry(double x, double y0, double y1, double y2)
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{
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#region
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PathFigure pf = new PathFigure();
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pf.IsClosed = true;
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pf.StartPoint = new Point(0, 2);
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//第一横线
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ArcSegment seg1 = new ArcSegment() { Size = new Size(2, 2), SweepDirection = SweepDirection.Clockwise, Point = new Point(2, 0) };
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pf.Segments.Add(seg1);
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LineSegment seg2 = new LineSegment() { Point = new Point(Insideoffset, 0) };
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pf.Segments.Add(seg2);
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//第二in
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QuadraticBezierSegment seg3 = new QuadraticBezierSegment() { Point1 = new Point(Insideoffset + 1, 0), Point2 = new Point(Insideoffset + 2, 2) };
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pf.Segments.Add(seg3);
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QuadraticBezierSegment seg4 = new QuadraticBezierSegment() { Point1 = new Point(Insideoffset + 4, Insideheight), Point2 = new Point(Insideoffset + 5, Insideheight) };
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pf.Segments.Add(seg4);
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LineSegment seg5 = new LineSegment() { Point = new Point(Insideoffset + Insidewidth - 5, Insideheight) };
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pf.Segments.Add(seg5);
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QuadraticBezierSegment seg6 = new QuadraticBezierSegment() { Point1 = new Point(Insideoffset + Insidewidth - 4, Insideheight), Point2 = new Point(Insideoffset + Insidewidth - 2, 2) };
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pf.Segments.Add(seg6);
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QuadraticBezierSegment seg7 = new QuadraticBezierSegment() { Point1 = new Point(Insideoffset + Insidewidth - 1, 0), Point2 = new Point(Insideoffset + Insidewidth, 0) };
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pf.Segments.Add(seg7);
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//第三横线
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LineSegment seg8 = new LineSegment() { Point = new Point(x - 2, 0) };
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pf.Segments.Add(seg8);
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//第四竖线
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ArcSegment seg9 = new ArcSegment() { Size = new Size(2, 2), SweepDirection = SweepDirection.Clockwise, Point = new Point(x, 2) };
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pf.Segments.Add(seg9);
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LineSegment seg10 = new LineSegment() { Point = new Point(x, y0 - 2) };
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pf.Segments.Add(seg10);
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//第五横线
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ArcSegment seg11 = new ArcSegment() { Size = new Size(2, 2), SweepDirection = SweepDirection.Clockwise, Point = new Point(x - 2, y0) };
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pf.Segments.Add(seg11);
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LineSegment seg12 = new LineSegment() { Point = new Point(Leftpanelwidth + Insideoffset + Insidewidth, y0) };
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pf.Segments.Add(seg12);
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//第六in
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QuadraticBezierSegment seg13 = new QuadraticBezierSegment() { Point1 = new Point(Leftpanelwidth + Insideoffset + Insidewidth - 1, y0), Point2 = new Point(Leftpanelwidth + Insideoffset + Insidewidth - 2, y0 + 2) };
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pf.Segments.Add(seg13);
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QuadraticBezierSegment seg14 = new QuadraticBezierSegment() { Point1 = new Point(Leftpanelwidth + Insideoffset + Insidewidth - 4, y0 + Insideheight), Point2 = new Point(Leftpanelwidth + Insideoffset + Insidewidth - 5, y0 + Insideheight) };
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pf.Segments.Add(seg14);
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LineSegment seg15 = new LineSegment() { Point = new Point(Leftpanelwidth + Insideoffset + 5, y0 + Insideheight) };
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pf.Segments.Add(seg15);
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QuadraticBezierSegment seg16 = new QuadraticBezierSegment() { Point1 = new Point(Leftpanelwidth + Insideoffset + 4, y0 + Insideheight), Point2 = new Point(Leftpanelwidth + Insideoffset + 2, y0 + 2) };
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pf.Segments.Add(seg16);
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QuadraticBezierSegment seg17 = new QuadraticBezierSegment() { Point1 = new Point(Leftpanelwidth + Insideoffset + 1, y0), Point2 = new Point(Insideoffset, y0) };
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pf.Segments.Add(seg17);
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//第七横线
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LineSegment seg18 = new LineSegment() { Point = new Point(Leftpanelwidth + 2, y0) };
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pf.Segments.Add(seg18);
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ArcSegment seg19 = new ArcSegment() { Size = new Size(2, 2), SweepDirection = SweepDirection.Counterclockwise, Point = new Point(Leftpanelwidth, y0 + 2) };
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pf.Segments.Add(seg19);
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//第八竖线
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LineSegment seg20 = new LineSegment() { Point = new Point(Leftpanelwidth, y0 + y1 - 2) };
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pf.Segments.Add(seg20);
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ArcSegment seg21 = new ArcSegment() { Size = new Size(2, 2), SweepDirection = SweepDirection.Counterclockwise, Point = new Point(Leftpanelwidth + 2, y0 + y1) };
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pf.Segments.Add(seg21);
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//第九横线
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LineSegment seg22 = new LineSegment() { Point = new Point(Leftpanelwidth + Insideoffset, y0 + y1) };
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pf.Segments.Add(seg22);
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//第十in
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QuadraticBezierSegment seg23 = new QuadraticBezierSegment() { Point1 = new Point(Leftpanelwidth + Insideoffset + 1, y0 + y1), Point2 = new Point(Leftpanelwidth + Insideoffset + 2, y0 + y1 + 2) };
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pf.Segments.Add(seg23);
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QuadraticBezierSegment seg24 = new QuadraticBezierSegment() { Point1 = new Point(Leftpanelwidth + Insideoffset + 4, y0 + y1 + Insideheight), Point2 = new Point(Leftpanelwidth + Insideoffset + 5, y0 + y1 + Insideheight) };
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pf.Segments.Add(seg24);
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LineSegment seg25 = new LineSegment() { Point = new Point(Leftpanelwidth + Insideoffset + Insidewidth - 5, y0 + y1 + Insideheight) };
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pf.Segments.Add(seg25);
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QuadraticBezierSegment seg26 = new QuadraticBezierSegment() { Point1 = new Point(Leftpanelwidth + Insideoffset + Insidewidth - 4, y0 + y1 + Insideheight), Point2 = new Point(Leftpanelwidth + Insideoffset + Insidewidth - 2, y0 + y1 + 2) };
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pf.Segments.Add(seg26);
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QuadraticBezierSegment seg27 = new QuadraticBezierSegment() { Point1 = new Point(Leftpanelwidth + Insideoffset + Insidewidth - 1, y0 + y1), Point2 = new Point(Leftpanelwidth + Insideoffset + Insidewidth, y0 + y1) };
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pf.Segments.Add(seg27);
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//第十一横线
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LineSegment seg28 = new LineSegment() { Point = new Point(x - 2, y0 + y1) };
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pf.Segments.Add(seg28);
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//第十二竖线
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ArcSegment seg29 = new ArcSegment() { Size = new Size(2, 2), SweepDirection = SweepDirection.Clockwise, Point = new Point(x, y0 + y1 + 2) };
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pf.Segments.Add(seg29);
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LineSegment seg30 = new LineSegment() { Point = new Point(x, y0 + y1 + y2 - 2) };
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pf.Segments.Add(seg30);
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//第十三横线
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ArcSegment seg31 = new ArcSegment() { Size = new Size(2, 2), SweepDirection = SweepDirection.Clockwise, Point = new Point(x - 2, y0 + y1 + y2) };
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pf.Segments.Add(seg31);
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LineSegment seg32 = new LineSegment() { Point = new Point(Insideoffset + Insidewidth, y0 + y1 + y2) };
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pf.Segments.Add(seg32);
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//第十四in
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QuadraticBezierSegment seg33 = new QuadraticBezierSegment() { Point1 = new Point(Insideoffset + Insidewidth - 1, y0 + y1 + y2), Point2 = new Point(Insideoffset + Insidewidth - 2, y0 + y1 + y2 + 2) };
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pf.Segments.Add(seg33);
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QuadraticBezierSegment seg34 = new QuadraticBezierSegment() { Point1 = new Point(Insideoffset + Insidewidth - 4, y0 + y1 + y2 + Insideheight), Point2 = new Point(Insideoffset + Insidewidth - 5, y0 + y1 + y2 + Insideheight) };
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pf.Segments.Add(seg34);
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LineSegment seg35 = new LineSegment() { Point = new Point(Insideoffset + 5, y0 + y1 + y2 + Insideheight) };
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pf.Segments.Add(seg35);
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QuadraticBezierSegment seg36 = new QuadraticBezierSegment() { Point1 = new Point(Insideoffset + 4, y0 + y1 + y2 + Insideheight), Point2 = new Point(Insideoffset + 2, y0 + y1 + y2 + 2) };
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pf.Segments.Add(seg36);
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QuadraticBezierSegment seg37 = new QuadraticBezierSegment() { Point1 = new Point(Insideoffset + 1, y0 + y1 + y2), Point2 = new Point(Insideoffset, y0 + y1 + y2) };
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pf.Segments.Add(seg37);
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//第十五横线
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LineSegment seg38 = new LineSegment() { Point = new Point(2, y0 + y1 + y2) };
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pf.Segments.Add(seg38);
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ArcSegment seg39 = new ArcSegment() { Size = new Size(2, 2), SweepDirection = SweepDirection.Clockwise, Point = new Point(0, y0 + y1 + y2 - 2) };
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pf.Segments.Add(seg39);
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PathGeometry g1 = new PathGeometry();
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g1.Figures.Add(pf);
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#endregion
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return g1;
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}
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#endregion
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}
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}
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