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增强任务节点拖拽逻辑，支持在任务组和根节点下的拖拽操作

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辉鸭蛋
2025-09-07 10:26:14 +08:00
parent b05775653d
commit baa5cad656
1 changed files with 48 additions and 10 deletions
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58
BetterGenshinImpact/View/Pages/Component/GearTaskDragDropHandler.cs
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@@ -26,16 +26,37 @@ public class GearTaskDragDropHandler : IDropTarget
return;
}
// 如果目标是任务节点（非任务组），不允许拖拽到其下
if (targetItem != null && !targetItem.IsDirectory)
// 如果目标是任务组，允许拖拽到其下
if (targetItem != null && targetItem.IsDirectory)
{
dropInfo.Effects = DragDropEffects.None;
dropInfo.Effects = DragDropEffects.Move;
dropInfo.DropTargetAdorner = DropTargetAdorners.Highlight;
return;
}
// 如果是拖拽到根节点或任务组，允许拖拽
dropInfo.Effects = DragDropEffects.Move;
dropInfo.DropTargetAdorner = DropTargetAdorners.Highlight;
// 如果目标是任务节点（非任务组），允许在同级之间调整顺序
if (targetItem != null && !targetItem.IsDirectory)
{
// 检查插入位置，允许在节点之间插入
if (dropInfo.InsertPosition.HasFlag(RelativeInsertPosition.BeforeTargetItem) ||
dropInfo.InsertPosition.HasFlag(RelativeInsertPosition.AfterTargetItem))
{
dropInfo.Effects = DragDropEffects.Move;
dropInfo.DropTargetAdorner = DropTargetAdorners.Insert;
return;
}
}
// 如果是拖拽到根节点，允许拖拽
if (targetItem == null)
{
dropInfo.Effects = DragDropEffects.Move;
dropInfo.DropTargetAdorner = DropTargetAdorners.Insert;
return;
}
// 其他情况不允许拖拽
dropInfo.Effects = DragDropEffects.None;
}
public void Drop(IDropInfo dropInfo)
@@ -50,13 +71,30 @@ public class GearTaskDragDropHandler : IDropTarget
return;
}
// 如果目标是任务节点（非任务组），不执行拖拽
if (targetItem != null && !targetItem.IsDirectory)
// 如果目标是任务组，允许拖拽到其下
if (targetItem != null && targetItem.IsDirectory)
{
GongSolutions.Wpf.DragDrop.DragDrop.DefaultDropHandler.Drop(dropInfo);
return;
}
// 执行默认的拖拽行为
GongSolutions.Wpf.DragDrop.DragDrop.DefaultDropHandler.Drop(dropInfo);
// 如果目标是任务节点（非任务组），允许在同级之间调整顺序
if (targetItem != null && !targetItem.IsDirectory)
{
// 检查插入位置，允许在节点之间插入
if (dropInfo.InsertPosition.HasFlag(RelativeInsertPosition.BeforeTargetItem) ||
dropInfo.InsertPosition.HasFlag(RelativeInsertPosition.AfterTargetItem))
{
GongSolutions.Wpf.DragDrop.DragDrop.DefaultDropHandler.Drop(dropInfo);
return;
}
}
// 如果是拖拽到根节点，允许拖拽
if (targetItem == null)
{
GongSolutions.Wpf.DragDrop.DragDrop.DefaultDropHandler.Drop(dropInfo);
return;
}
}
}