From c901c9c09676a44e83e5133c12771d6a6d37d067 Mon Sep 17 00:00:00 2001 From: zengwenjie <1663900244@qq.com> Date: Thu, 25 Sep 2025 14:52:08 +0800 Subject: [PATCH] =?UTF-8?q?=E7=BC=96=E5=86=99VisualHelper?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../Contract/Enums/DropPlacement.cs | 15 +- .../Contract/Enums/LayoutDirection.cs | 32 ++++ .../{IDeedyInput.cs => IVisualInput.cs} | 2 +- .../{IDeedyLayout.cs => IVisualLayout.cs} | 4 +- .../{IDeedyViewer.cs => IVisualViewer.cs} | 2 +- .../{DeedyLayout.cs => VisualLayout.cs} | 6 +- .../Deedy.Activity/Helpers/VisualHelper.cs | 141 ++++++++++++++++++ .../Deedy.Activity/IVisualElement.cs | 1 + 8 files changed, 192 insertions(+), 11 deletions(-) create mode 100644 DeedyDesigner/Deedy.Activity/Contract/Enums/LayoutDirection.cs rename DeedyDesigner/Deedy.Activity/DeedyVisual/{IDeedyInput.cs => IVisualInput.cs} (82%) rename DeedyDesigner/Deedy.Activity/DeedyVisual/{IDeedyLayout.cs => IVisualLayout.cs} (60%) rename DeedyDesigner/Deedy.Activity/DeedyVisual/{IDeedyViewer.cs => IVisualViewer.cs} (83%) rename DeedyDesigner/Deedy.Activity/DeedyVisual/{DeedyLayout.cs => VisualLayout.cs} (96%) diff --git a/DeedyDesigner/Deedy.Activity/Contract/Enums/DropPlacement.cs b/DeedyDesigner/Deedy.Activity/Contract/Enums/DropPlacement.cs index 4f0bd65..aa900c9 100644 --- a/DeedyDesigner/Deedy.Activity/Contract/Enums/DropPlacement.cs +++ b/DeedyDesigner/Deedy.Activity/Contract/Enums/DropPlacement.cs @@ -11,25 +11,30 @@ namespace Deedy.Activity /// public enum DropPlacement : int { + UnDragged = 0, /// /// 不确定的 /// - Uncertain=0, + Uncertain = 1, /// /// 拒绝放置 /// - Rejected = 0, + Rejected = 2, /// /// 在节点前 /// - BeforeMe = 1, + BeforeMe = 3, /// /// 在节点内 /// - WithinMe = 2, + WithinMe = 4, /// /// 在节点后 /// - BehindMe = 3, + BehindMe = 5, + /// + /// 替换自身 + /// + ReplaceMe = 6, } } diff --git a/DeedyDesigner/Deedy.Activity/Contract/Enums/LayoutDirection.cs b/DeedyDesigner/Deedy.Activity/Contract/Enums/LayoutDirection.cs new file mode 100644 index 0000000..ff83439 --- /dev/null +++ b/DeedyDesigner/Deedy.Activity/Contract/Enums/LayoutDirection.cs @@ -0,0 +1,32 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace Deedy.Activity +{ + public enum LayoutDirection + { + /// + /// 不可布局 + /// + Cannot, + /// + /// 只有唯一子节点 + /// + Decorator, + /// + /// 上下叠放 + /// + Stacked, + /// + /// 从左向右 + /// + Horizontal, + /// + /// 从上到下 + /// + Vertical, + } +} diff --git a/DeedyDesigner/Deedy.Activity/DeedyVisual/IDeedyInput.cs b/DeedyDesigner/Deedy.Activity/DeedyVisual/IVisualInput.cs similarity index 82% rename from DeedyDesigner/Deedy.Activity/DeedyVisual/IDeedyInput.cs rename to DeedyDesigner/Deedy.Activity/DeedyVisual/IVisualInput.cs index a200261..4e1d9a2 100644 --- a/DeedyDesigner/Deedy.Activity/DeedyVisual/IDeedyInput.cs +++ b/DeedyDesigner/Deedy.Activity/DeedyVisual/IVisualInput.cs @@ -6,7 +6,7 @@ using System.Threading.Tasks; namespace Deedy.Activity { - public interface IDeedyInput + public interface IVisualInput { } } diff --git a/DeedyDesigner/Deedy.Activity/DeedyVisual/IDeedyLayout.cs b/DeedyDesigner/Deedy.Activity/DeedyVisual/IVisualLayout.cs similarity index 60% rename from DeedyDesigner/Deedy.Activity/DeedyVisual/IDeedyLayout.cs rename to DeedyDesigner/Deedy.Activity/DeedyVisual/IVisualLayout.cs index 5d0911c..cb84d8b 100644 --- a/DeedyDesigner/Deedy.Activity/DeedyVisual/IDeedyLayout.cs +++ b/DeedyDesigner/Deedy.Activity/DeedyVisual/IVisualLayout.cs @@ -6,8 +6,8 @@ using System.Threading.Tasks; namespace Deedy.Activity { - public interface IDeedyLayout : IContainerElement + public interface IVisualLayout : IContainerElement { - + LayoutDirection LayoutDirection { get; } } } diff --git a/DeedyDesigner/Deedy.Activity/DeedyVisual/IDeedyViewer.cs b/DeedyDesigner/Deedy.Activity/DeedyVisual/IVisualViewer.cs similarity index 83% rename from DeedyDesigner/Deedy.Activity/DeedyVisual/IDeedyViewer.cs rename to DeedyDesigner/Deedy.Activity/DeedyVisual/IVisualViewer.cs index dd0379c..3a1074e 100644 --- a/DeedyDesigner/Deedy.Activity/DeedyVisual/IDeedyViewer.cs +++ b/DeedyDesigner/Deedy.Activity/DeedyVisual/IVisualViewer.cs @@ -6,7 +6,7 @@ using System.Threading.Tasks; namespace Deedy.Activity { - public class IDeedyViewer + public class IVisualViewer { } } diff --git a/DeedyDesigner/Deedy.Activity/DeedyVisual/DeedyLayout.cs b/DeedyDesigner/Deedy.Activity/DeedyVisual/VisualLayout.cs similarity index 96% rename from DeedyDesigner/Deedy.Activity/DeedyVisual/DeedyLayout.cs rename to DeedyDesigner/Deedy.Activity/DeedyVisual/VisualLayout.cs index 821e159..155cc57 100644 --- a/DeedyDesigner/Deedy.Activity/DeedyVisual/DeedyLayout.cs +++ b/DeedyDesigner/Deedy.Activity/DeedyVisual/VisualLayout.cs @@ -10,10 +10,10 @@ using System.Windows; namespace Deedy.Activity { - public class DeedyLayout : IDeedyLayout + public class VisualLayout : IVisualLayout { public ExpandoMapping ExpandoMapping { get; set; } = new ExpandoMapping(); - public DeedyLayout() { } + public VisualLayout() { } public string Class { get; protected internal set; } = ""; public string Title { get; set; } = ""; public string Remark { get; set; } = ""; @@ -29,6 +29,8 @@ namespace Deedy.Activity public ParamDefineCollection ParamsMapping { get => throw new NotImplementedException(); set => throw new NotImplementedException(); } + public LayoutDirection LayoutDirection => throw new NotImplementedException(); + public event PropertyChangedEventHandler? PropertyChanged; /// diff --git a/DeedyDesigner/Deedy.Activity/Helpers/VisualHelper.cs b/DeedyDesigner/Deedy.Activity/Helpers/VisualHelper.cs index 625f3cd..1b7fa78 100644 --- a/DeedyDesigner/Deedy.Activity/Helpers/VisualHelper.cs +++ b/DeedyDesigner/Deedy.Activity/Helpers/VisualHelper.cs @@ -3,10 +3,151 @@ using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; +using System.Windows.Media; +using System.Windows; namespace Deedy.Activity.Helpers { + /// + /// 辅助可视化单元进行相关操作 + /// public static partial class Helper { + /// + /// 辅助可视化单元进行拖放装饰器绘制操作 + /// + /// 要绘制的「UIElement」元素 + /// 「UIElement」元素的绘图上下文 + /// 拖放操作的放置位置 + /// 父级布局的布局方向 + public static void Help_DrawDropAdorner(this UIElement ui, DrawingContext dc, DropPlacement dropPlacement, LayoutDirection parentLayout) + { + if (ui == null || dc == null || dropPlacement == DropPlacement.UnDragged) return; + Pen pen = new Pen(Brushes.Red, 3); + pen.Freeze(); + + switch (dropPlacement) + { + case DropPlacement.Rejected: + { + + } + break; + case DropPlacement.Uncertain: + { + + } + break; + case DropPlacement.BeforeMe: + { + if (parentLayout == LayoutDirection.Horizontal) + { + } + else if (parentLayout == LayoutDirection.Vertical) + { + } + else if (parentLayout == LayoutDirection.Stacked) + { + } + else { } + } + break; + case DropPlacement.BehindMe: + { + if (parentLayout == LayoutDirection.Horizontal) + { + } + else if (parentLayout == LayoutDirection.Vertical) + { + } + else if (parentLayout == LayoutDirection.Stacked) + { + } + else { } + } + break; + case DropPlacement.WithinMe: + { + } + break; + case DropPlacement.ReplaceMe: + { + } + break; + default: break; //DropPlacement.UnDragged;不需要绘制任何图样 + } + } + /// + /// 检查拖放操作的模式 + /// + /// 要检查的「UIElement」元素 + /// 检查点位置 + /// 检查后的拖放位置；其中不包括「DropPlacement.UnDragged」与「DropPlacement.Uncertain」 + /// + /// 「DropPlacement.UnDragged」= 未在拖放状态 + /// 「DropPlacement.Uncertain」= 拖放内容不是可视化元素 + /// ··以上两种情况需要在调用此方法前进行判定 + /// + public static DropPlacement Help_CheckDropPlacement(this UIElement ui, Point point) + { + DropPlacement result = DropPlacement.UnDragged; + if (ui != null) + { + Size size = ui.RenderSize; + double horRuler = size.Width / 3; + if (horRuler > 20) horRuler = 20; + double verRuler = size.Height / 3; + if (verRuler > 20) verRuler = 20; + LayoutDirection direction = LayoutDirection.Cannot; + if (ui is IVisualLayout layout) + { + if (ui is FrameworkElement fe && fe.Parent is IVisualLayout parentLayout) + { + direction = parentLayout.LayoutDirection; + if (direction == LayoutDirection.Decorator) + { + if (point.X < horRuler + || point.Y < verRuler + || size.Width - point.X < horRuler + || size.Height - point.Y < verRuler) + result = DropPlacement.ReplaceMe; + else result = DropPlacement.WithinMe; + } + else if (direction == LayoutDirection.Cannot) + result = DropPlacement.WithinMe; + else + { + if (point.X < horRuler || point.Y < verRuler) + result = DropPlacement.BeforeMe; + else if (size.Width - point.X < horRuler || size.Height - point.Y < verRuler) + result = DropPlacement.BehindMe; + else result = DropPlacement.WithinMe; + } + } + else result = DropPlacement.WithinMe; + } + else + { + if (ui is FrameworkElement fe && fe.Parent is IVisualLayout parentLayout) + { + direction = parentLayout.LayoutDirection; + if (direction == LayoutDirection.Decorator) + result = DropPlacement.ReplaceMe; + else if (direction == LayoutDirection.Cannot) + result = DropPlacement.Rejected; + else + { + if (point.X < horRuler || point.Y < verRuler) + result = DropPlacement.BeforeMe; + else if (size.Width - point.X < horRuler || size.Height - point.Y < verRuler) + result = DropPlacement.BehindMe; + else result = DropPlacement.Rejected; + } + } + else result = DropPlacement.Rejected; + } + } + return result; + } } } diff --git a/DeedyDesigner/Deedy.Activity/IVisualElement.cs b/DeedyDesigner/Deedy.Activity/IVisualElement.cs index da79d96..7a10490 100644 --- a/DeedyDesigner/Deedy.Activity/IVisualElement.cs +++ b/DeedyDesigner/Deedy.Activity/IVisualElement.cs @@ -8,5 +8,6 @@ namespace Deedy.Activity { public interface IVisualElement : IElement { + DropPlacement DropPlacement { get; } } }