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内部基础ZoomBox

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艾竹
2023-02-14 22:54:55 +08:00
parent 3ef7434f5b
commit debd7e711d
8 changed files with 541 additions and 472 deletions
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1
AIStudio.Wpf.DiagramApp/Views/MainWindow.xaml
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@@ -1900,6 +1900,7 @@
Width="180"
HorizontalAlignment="Right"
VerticalAlignment="Bottom"
OffSet="True"
DesignerCanvas="{Binding ElementName=diagram}"
MaximumZoomValue="{Binding MaximumZoomValue,Mode=TwoWay}"
MinimumZoomValue="{Binding MinimumZoomValue,Mode=TwoWay}"

3
AIStudio.Wpf.DiagramDesigner.Demo/ViewModels/ZoomViewModel.cs
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@@ -13,10 +13,9 @@ namespace AIStudio.Wpf.DiagramDesigner.Demo.ViewModels
Info = "Drag the upper-right scroll bar to make the canvas larger and smaller.";
DiagramViewModel = new DiagramViewModel();
DiagramViewModel.PageSizeType = PageSizeType.Custom;
DiagramViewModel.PageSize = new Size(double.NaN, double.NaN);
DiagramViewModel.ColorViewModel = new ColorViewModel();
DiagramViewModel.ColorViewModel.FillColor.Color = System.Windows.Media.Colors.Orange;
DiagramViewModel.DefaultZoomBox = true;
DefaultDesignerItemViewModel node1 = new DefaultDesignerItemViewModel(DiagramViewModel) { Left = 50, Top = 50, Text = "1" };
DiagramViewModel.DirectAddItemCommand.Execute(node1);

13
AIStudio.Wpf.DiagramDesigner.Demo/Views/ZoomView.xaml
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@@ -11,19 +11,6 @@
<!-- Diagram Control -->
<dd:DiagramControl x:Name="diagram" DataContext="{Binding DiagramViewModel}" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" />
<Slider x:Name="zoomSlider"
Minimum="0.5"
Value="{Binding DiagramViewModel.ZoomValue}"
Maximum="2.0"
IsDirectionReversed="False"
IsSnapToTickEnabled="True"
TickFrequency="0.1"
SmallChange="0.1"
LargeChange="0.1"
Width="200"
HorizontalAlignment="Left"
VerticalAlignment="Top"/>
<controls:TitleControl/>
</Grid>
</UserControl>

54
AIStudio.Wpf.DiagramDesigner/Controls/ZoomBox.cs
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@@ -80,6 +80,20 @@ namespace AIStudio.Wpf.DiagramDesigner
#endregion
public static readonly DependencyProperty OffSetProperty =
DependencyProperty.Register(nameof(OffSet), typeof(bool), typeof(ZoomBox), new UIPropertyMetadata(false));
public bool OffSet
{
get
{
return (bool)GetValue(OffSetProperty);
}
set
{
SetValue(OffSetProperty, value);
}
}
public static readonly DependencyProperty ZoomValueProperty =
DependencyProperty.Register(nameof(ZoomValue), typeof(double), typeof(ZoomBox), new UIPropertyMetadata(1d));
public double ZoomValue
@@ -200,18 +214,36 @@ namespace AIStudio.Wpf.DiagramDesigner
private void InvalidateScale(out double scale, out double xOffset, out double yOffset)
{
Vector vector = System.Windows.Media.VisualTreeHelper.GetOffset(DesignerCanvas);
double w = DesignerCanvas.ActualWidth + vector.X * 2;
double h = DesignerCanvas.ActualHeight + vector.Y * 2;
if (OffSet)
{
Vector vector = System.Windows.Media.VisualTreeHelper.GetOffset(DesignerCanvas);
double w = DesignerCanvas.ActualWidth + vector.X * 2;
double h = DesignerCanvas.ActualHeight + vector.Y * 2;
// zoom canvas size
double x = this.zoomCanvas.ActualWidth;
double y = this.zoomCanvas.ActualHeight;
double scaleX = x / w;
double scaleY = y / h;
scale = (scaleX < scaleY) ? scaleX : scaleY;
xOffset = (x - scale * w) / 2;
yOffset = (y - scale * h) / 2;
// zoom canvas size
double x = this.zoomCanvas.ActualWidth;
double y = this.zoomCanvas.ActualHeight;
double scaleX = x / w;
double scaleY = y / h;
scale = (scaleX < scaleY) ? scaleX : scaleY;
xOffset = (x - scale * w) / 2;
yOffset = (y - scale * h) / 2;
}
else
{
double w = DesignerCanvas.ActualWidth;
double h = DesignerCanvas.ActualHeight;
// zoom canvas size
double x = this.zoomCanvas.ActualWidth;
double y = this.zoomCanvas.ActualHeight;
double scaleX = x / w;
double scaleY = y / h;
scale = (scaleX < scaleY) ? scaleX : scaleY;
xOffset = (x - scale * w) / 2;
yOffset = (y - scale * h) / 2;
}
}
}
}

906
AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml
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File diff suppressed because it is too large Load Diff

19
AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml.cs
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@@ -56,25 +56,6 @@ namespace AIStudio.Wpf.DiagramDesigner
}
}
public static readonly DependencyProperty ZoomValueProperty = DependencyProperty.Register(nameof(ZoomValue), typeof(double), typeof(DiagramControl), new UIPropertyMetadata(1d));
public double ZoomValue
{
get
{
return (double)GetValue(ZoomValueProperty);
}
set
{
SetValue(ZoomValueProperty, value);
}
}
private void DesignerCanvas_Loaded(object sender, RoutedEventArgs e)
{
//DesignerCanvas myDesignerCanvas = sender as DesignerCanvas;
//zoomBox.DesignerCanvas = myDesignerCanvas;
}
private IDiagramViewModel DiagramViewModel
{
get

13
AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs
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@@ -428,6 +428,19 @@ namespace AIStudio.Wpf.DiagramDesigner
}
}
private bool _defaultZoomBox;
public bool DefaultZoomBox
{
get
{
return _defaultZoomBox;
}
set
{
SetProperty(ref _defaultZoomBox, value);
}
}
private double _delayZoomValue = 1;
[Browsable(false)]
public double DelayZoomValue

4
AIStudio.Wpf.DiagramDesigner/ViewModels/IDiagramViewModel.cs
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@@ -265,6 +265,10 @@ namespace AIStudio.Wpf.DiagramDesigner
{
get; set;
}
bool DefaultZoomBox
{
get; set;
}
bool AllowDrop
{
get; set;