优化了画布平移、缩放、改变尺寸

This commit is contained in:
fengjiayi
2024-09-10 11:49:56 +08:00
parent ce947d4472
commit ec6e09ced1
6 changed files with 92 additions and 178 deletions

View File

@@ -87,14 +87,11 @@
</StackPanel>
<StackPanel Grid.Row="1"
x:Name="FlowChartStackPanel">
x:Name="FlowChartStackPanel"
ClipToBounds="True">
<Canvas
x:Name="FlowChartCanvas"
Background="#F2EEE8"
Background="#D9FFEA"
AllowDrop="True"
MouseDown="FlowChartCanvas_MouseDown"
MouseMove="FlowChartCanvas_MouseMove"
@@ -111,12 +108,12 @@
Canvas.Left="0" Canvas.Top="0"/>-->
<!-- Top-Right Thumb -->
<Thumb x:Name="TopRightThumb"
<!--<Thumb x:Name="TopRightThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_TopRight"
Cursor="SizeNESW"
Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource RightThumbPositionConverter}}"
Canvas.Top="0"/>
Canvas.Top="0"/>-->
<!-- Bottom-Left Thumb -->
<!--<Thumb x:Name="BottomLeftThumb"
@@ -143,12 +140,15 @@
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource VerticalCenterThumbPositionConverter}}"/>-->
<!-- Right Thumb -->
<Thumb x:Name="RightThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_Right"
Cursor="SizeWE"
Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource RightThumbPositionConverter}}"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource VerticalCenterThumbPositionConverter}}"/>
<!--Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource RightThumbPositionConverter}}"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource VerticalCenterThumbPositionConverter}}"-->
<Thumb x:Name="RightThumb" Width="5" Cursor="SizeWE" Canvas.Top="0" Canvas.Right="0" DragDelta="Thumb_DragDelta_Right">
<Thumb.Template>
<ControlTemplate>
<Border Background="#B1B9F8" Width="5" Height="{Binding RelativeSource={RelativeSource AncestorType=Canvas}, Path=ActualHeight}" />
</ControlTemplate>
</Thumb.Template>
</Thumb>
<!-- Top Thumb -->
<!--<Thumb x:Name="TopThumb"
@@ -159,12 +159,15 @@
Canvas.Top="0"/>-->
<!-- Bottom Thumb -->
<Thumb x:Name="BottomThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_Bottom"
Cursor="SizeNS"
Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource HorizontalCenterThumbPositionConverter}}"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource BottomThumbPositionConverter}}"/>
<!--Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource HorizontalCenterThumbPositionConverter}}"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource BottomThumbPositionConverter}}"-->
<Thumb x:Name="BottomThumb" Height="5" Cursor="SizeNS" Canvas.Bottom="0" Canvas.Left="0" DragDelta="Thumb_DragDelta_Bottom">
<Thumb.Template>
<ControlTemplate>
<Border Background="#B1B9F8" Height="5" Width="{Binding RelativeSource={RelativeSource AncestorType=Canvas}, Path=ActualWidth}" />
</ControlTemplate>
</Thumb.Template>
</Thumb>
</Canvas>

View File

@@ -221,9 +221,11 @@ namespace Serein.WorkBench
var logTextWriter = new LogTextWriter(WriteLog);
Console.SetOut(logTextWriter);
//transform = new TranslateTransform();
//FlowChartCanvas.RenderTransform = transform;
UIInit();
}
private void UIInit()
{
canvasTransformGroup = new TransformGroup();
scaleTransform = new ScaleTransform();
translateTransform = new TranslateTransform();
@@ -232,6 +234,7 @@ namespace Serein.WorkBench
canvasTransformGroup.Children.Add(translateTransform);
FlowChartCanvas.RenderTransform = canvasTransformGroup;
FlowChartCanvas.RenderTransformOrigin = new Point(0.5, 0.5);
}
@@ -1164,9 +1167,6 @@ namespace Serein.WorkBench
((UIElement)sender).CaptureMouse(); // 捕获鼠标
}
/// <summary>
/// 控件的鼠标移动事件,根据鼠标拖动更新控件的位置。
/// </summary>
@@ -1203,6 +1203,7 @@ namespace Serein.WorkBench
}
}
/// <summary>
/// 调整FlowChartCanvas的尺寸确保显示所有控件。
/// </summary>
@@ -1284,7 +1285,9 @@ namespace Serein.WorkBench
/// <summary>
/// FlowChartCanvas中移动时处理用于实时更新连接线的终点位置
/// 鼠标在画布移动
/// 连接状态下,实时更新连接线的终点位置。
/// 移动画布状态下,移动画布。
/// </summary>
private void FlowChartCanvas_MouseMove(object sender, MouseEventArgs e)
{
@@ -1667,33 +1670,13 @@ namespace Serein.WorkBench
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
if (e.Delta < 0 && scaleTransform.ScaleX < 0.4) return;
if (e.Delta > 0 && scaleTransform.ScaleX > 3.0) return;
if (e.Delta < 0 && scaleTransform.ScaleX < 0.2) return;
if (e.Delta > 0 && scaleTransform.ScaleX > 2.0) return;
double scale = e.Delta > 0 ? 0.1 : -0.1;
scaleTransform.ScaleX += scale;
scaleTransform.ScaleY += scale;
//AdjustCanvasSize();
//double zoomFactor = e.Delta > 0 ? 1.1 : 0.9;
//// 获取鼠标相对于Canvas的位置
//Point mousePosition = e.GetPosition(this);
//// 计算缩放后的Canvas中心位置
//double absoluteX = mousePosition.X * scaleTransform.ScaleX;
//double absoluteY = mousePosition.Y * scaleTransform.ScaleY;
//// 应用缩放
//scaleTransform.ScaleX *= zoomFactor;
//scaleTransform.ScaleY *= zoomFactor;
//// 平移,使缩放中心保持在鼠标光标处
//translateTransform.X = mousePosition.X - absoluteX * zoomFactor;
//translateTransform.Y = mousePosition.Y - absoluteY * zoomFactor;
//// 调整画布大小,使其始终占据整个容器
//AdjustCanvasSizeToContainer();
}
}
@@ -1795,84 +1778,92 @@ namespace Serein.WorkBench
#region
private void Thumb_DragDelta_TopLeft(object sender, DragDeltaEventArgs e)
{
// 从左上角调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
//private void Thumb_DragDelta_TopLeft(object sender, DragDeltaEventArgs e)
//{
// // 从左上角调整大小
// double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
// double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
FlowChartCanvas.Width = newWidth;
FlowChartCanvas.Height = newHeight;
// FlowChartCanvas.Width = newWidth;
// FlowChartCanvas.Height = newHeight;
Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
}
// Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
// Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
//}
private void Thumb_DragDelta_TopRight(object sender, DragDeltaEventArgs e)
{
// 从右上角调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth + e.HorizontalChange, 0);
double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
//private void Thumb_DragDelta_TopRight(object sender, DragDeltaEventArgs e)
//{
// // 从右上角调整大小
// double newWidth = Math.Max(FlowChartCanvas.ActualWidth + e.HorizontalChange, 0);
// double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
FlowChartCanvas.Width = newWidth;
FlowChartCanvas.Height = newHeight;
// FlowChartCanvas.Width = newWidth;
// FlowChartCanvas.Height = newHeight;
Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
}
// Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
//}
private void Thumb_DragDelta_BottomLeft(object sender, DragDeltaEventArgs e)
{
// 从左下角调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
double newHeight = Math.Max(FlowChartCanvas.ActualHeight + e.VerticalChange, 0);
//private void Thumb_DragDelta_BottomLeft(object sender, DragDeltaEventArgs e)
//{
// // 从左下角调整大小
// double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
// double newHeight = Math.Max(FlowChartCanvas.ActualHeight + e.VerticalChange, 0);
FlowChartCanvas.Width = newWidth;
FlowChartCanvas.Height = newHeight;
// FlowChartCanvas.Width = newWidth;
// FlowChartCanvas.Height = newHeight;
Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
}
// Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
//}
private void Thumb_DragDelta_BottomRight(object sender, DragDeltaEventArgs e)
{
// 从右下角调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth + e.HorizontalChange, 0);
double newHeight = Math.Max(FlowChartCanvas.ActualHeight + e.VerticalChange, 0);
double newWidth = Math.Max(FlowChartCanvas.ActualWidth + e.HorizontalChange * scaleTransform.ScaleX, 0);
double newHeight = Math.Max(FlowChartCanvas.ActualHeight + e.VerticalChange * scaleTransform.ScaleY, 0);
newWidth = newWidth < 400 ? 400 : newWidth;
newHeight = newHeight < 400 ? 400 : newHeight;
FlowChartCanvas.Width = newWidth;
FlowChartCanvas.Height = newHeight;
}
private void Thumb_DragDelta_Left(object sender, DragDeltaEventArgs e)
{
// 从左侧调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
//private void Thumb_DragDelta_Left(object sender, DragDeltaEventArgs e)
//{
// // 从左侧调整大小
// double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
FlowChartCanvas.Width = newWidth;
Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
}
// FlowChartCanvas.Width = newWidth;
// Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
//}
private void Thumb_DragDelta_Right(object sender, DragDeltaEventArgs e)
{
//从右侧调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth + e.HorizontalChange, 0);
double newWidth = Math.Max(FlowChartCanvas.ActualWidth + e.HorizontalChange * scaleTransform.ScaleX, 0);
newWidth = newWidth < 400 ? 400 : newWidth;
FlowChartCanvas.Width = newWidth;
}
private void Thumb_DragDelta_Top(object sender, DragDeltaEventArgs e)
{
// 从顶部调整大小
double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
FlowChartCanvas.Height = newHeight;
Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
}
//private void Thumb_DragDelta_Top(object sender, DragDeltaEventArgs e)
//{
// // 从顶部调整大小
// double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
// FlowChartCanvas.Height = newHeight;
// Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
//}
private void Thumb_DragDelta_Bottom(object sender, DragDeltaEventArgs e)
{
// 从底部调整大小
double newHeight = Math.Max(FlowChartCanvas.ActualHeight + e.VerticalChange, 0);
double newHeight = Math.Max(FlowChartCanvas.ActualHeight + e.VerticalChange * scaleTransform.ScaleY, 0);
newHeight = newHeight < 400 ? 400 : newHeight;
FlowChartCanvas.Height = newHeight;
}

View File

@@ -16,14 +16,6 @@
</StackPanel>
</Border>
<Thumb x:Name="ResizeTop" Cursor="SizeNS" Height="4" HorizontalAlignment="Stretch" VerticalAlignment="Top"
DragDelta="ResizeTop_DragDelta"/>
<Thumb x:Name="ResizeBottom" Cursor="SizeNS" Height="4" HorizontalAlignment="Stretch" VerticalAlignment="Bottom"
DragDelta="ResizeBottom_DragDelta"/>
<Thumb x:Name="ResizeLeft" Cursor="SizeWE" Width="4" HorizontalAlignment="Left" VerticalAlignment="Stretch"
DragDelta="ResizeLeft_DragDelta"/>
<Thumb x:Name="ResizeRight" Cursor="SizeWE" Width="4" HorizontalAlignment="Right" VerticalAlignment="Stretch"
DragDelta="ResizeRight_DragDelta"/>
</Grid>
</local:NodeControlBase>

View File

@@ -16,7 +16,6 @@ namespace Serein.WorkBench.Node.View
private new readonly CompositeActionNode Node;
public ActionRegionControl() : base()
{
InitializeComponent();
}
@@ -27,38 +26,6 @@ namespace Serein.WorkBench.Node.View
base.Name = "动作组合节点";
}
#region
private void ResizeTop_DragDelta(object sender, DragDeltaEventArgs e)
{
double oldHeight = Height;
double newHeight = Math.Max(MinHeight, oldHeight - e.VerticalChange);
Height = newHeight;
Canvas.SetTop(this, Canvas.GetTop(this) + (oldHeight - newHeight));
}
private void ResizeBottom_DragDelta(object sender, DragDeltaEventArgs e)
{
double newHeight = Math.Max(MinHeight, Height + e.VerticalChange);
Height = newHeight;
}
private void ResizeLeft_DragDelta(object sender, DragDeltaEventArgs e)
{
double oldWidth = Width;
double newWidth = Math.Max(MinWidth, oldWidth - e.HorizontalChange);
Width = newWidth;
Canvas.SetLeft(this, Canvas.GetLeft(this) + (oldWidth - newWidth));
}
private void ResizeRight_DragDelta(object sender, DragDeltaEventArgs e)
{
double newWidth = Math.Max(MinWidth, Width + e.HorizontalChange);
Width = newWidth;
}
#endregion
public void AddAction(NodeControlBase node, bool isTask = false)
{
/*TextBlock actionText = new TextBlock

View File

@@ -20,14 +20,5 @@
<ListBox x:Name="ConditionsListBox" AllowDrop="True" Drop="ConditionsListBox_Drop"/>
</StackPanel>
</Border>
<Thumb x:Name="ResizeTop" Cursor="SizeNS" Height="4" HorizontalAlignment="Stretch" VerticalAlignment="Top"
DragDelta="ResizeTop_DragDelta"/>
<Thumb x:Name="ResizeBottom" Cursor="SizeNS" Height="4" HorizontalAlignment="Stretch" VerticalAlignment="Bottom"
DragDelta="ResizeBottom_DragDelta"/>
<Thumb x:Name="ResizeLeft" Cursor="SizeWE" Width="4" HorizontalAlignment="Left" VerticalAlignment="Stretch"
DragDelta="ResizeLeft_DragDelta"/>
<Thumb x:Name="ResizeRight" Cursor="SizeWE" Width="4" HorizontalAlignment="Right" VerticalAlignment="Stretch"
DragDelta="ResizeRight_DragDelta"/>
</Grid>
</local:NodeControlBase>

View File

@@ -23,36 +23,6 @@ namespace Serein.WorkBench.Node.View
InitializeComponent();
}
#region
private void ResizeTop_DragDelta(object sender, DragDeltaEventArgs e)
{
double oldHeight = Height;
double newHeight = Math.Max(MinHeight, oldHeight - e.VerticalChange);
Height = newHeight;
Canvas.SetTop(this, Canvas.GetTop(this) + (oldHeight - newHeight));
}
private void ResizeBottom_DragDelta(object sender, DragDeltaEventArgs e)
{
double newHeight = Math.Max(MinHeight, Height + e.VerticalChange);
Height = newHeight;
}
private void ResizeLeft_DragDelta(object sender, DragDeltaEventArgs e)
{
double oldWidth = Width;
double newWidth = Math.Max(MinWidth, oldWidth - e.HorizontalChange);
Width = newWidth;
Canvas.SetLeft(this, Canvas.GetLeft(this) + (oldWidth - newWidth));
}
private void ResizeRight_DragDelta(object sender, DragDeltaEventArgs e)
{
double newWidth = Math.Max(MinWidth, Width + e.HorizontalChange);
Width = newWidth;
}
#endregion
/// <summary>