private void UserControl_DragEnter(object sender, DragEventArgs e)
{
try
{
if (_isDragging)
{
return;
}
if (e.Data.GetDataPresent("stackPanelDragItem"))
{
ViewForegroundControlHeader control = sender as ViewForegroundControlHeader;
if (control == null)
{
return;
}
else if (control.DataContext == null)
{
return;
}
ViewModelImagingLayerDragObject dragObject = (ViewModelImagingLayerDragObject)e.Data.GetData("stackPanelDragItem");
ViewModelImagingLayer model = control.DataContext as ViewModelImagingLayer;
if (dragObject.ViewModel != model)
{
control.SetCurrentValue(BackgroundProperty, new SolidColorBrush(Color.FromRgb(100, 100, 100)));
_isDragging = true;
}
}
}
catch { }
}
private void UserControl_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (e.NewValue == null)
{
this.Visibility = System.Windows.Visibility.Collapsed;
}
else
{
ViewModelImagingLayer dc = this.DataContext as ViewModelImagingLayer;
if (dc != null)
{
if (dc.ImagingComponent.Visible)
{
this.Visibility = System.Windows.Visibility.Visible;
}
else
{
this.Visibility = System.Windows.Visibility.Collapsed;
}
}
else
{
this.Visibility = System.Windows.Visibility.Collapsed;
}
}
refreshRows();
}
private void UserControl_MouseMove(object sender, MouseEventArgs e)
{
try
{
if (e.LeftButton == MouseButtonState.Pressed)
{
ViewForegroundControlHeader control = sender as ViewForegroundControlHeader;
if (control == null)
{
return;
}
else if (control.DataContext == null)
{
return;
}
DependencyObject parentTabItemDependencyObject = Xvue.Framework.Views.WPF.VisualTreeBrowser.GetAncestorByType(this, typeof(TabItem));
if (parentTabItemDependencyObject == null)
{
return;
}
TabItem parentTabItem = parentTabItemDependencyObject as TabItem;
if (!parentTabItem.IsSelected)
{
return;
}
ViewModelImagingLayer toMoveImageLayer = control.DataContext as ViewModelImagingLayer;
toMoveImageLayer.ImagingComponent.InitMoveComponent();
DataObject data = new DataObject();
ViewModelImagingLayerDragObject dragObject = new ViewModelImagingLayerDragObject(toMoveImageLayer, control.ActualWidth);
data.SetData("stackPanelDragItem", dragObject);
DependencyObject parentTabControlDependencyObject = Xvue.Framework.Views.WPF.VisualTreeBrowser.GetAncestorByType(this, typeof(TabControl));
DragDrop.DoDragDrop(control, data, DragDropEffects.Move);
//Prevent popup from not closing
if (parentTabControlDependencyObject != null)
{
TabControl parentTabControl = parentTabControlDependencyObject as TabControl;
parentTabControl.CaptureMouse();
parentTabControl.ReleaseMouseCapture();
}
}
}
catch { }
}
private void refreshRows()
{
ViewModelImagingLayer dc = this.DataContext as ViewModelImagingLayer;
if (dc != null)
{
if (LayoutRoot.ActualHeight == 0)
{
return;
}
double rest = LayoutRoot.ActualHeight - 150;
if (rest < 0)
{
rest = 0;
}
if (dc.ImagingComponent.LogarithmicScaling)
{
double newH;
newH = 0.05094287 * rest - 4.5;
if (newH < 0)
{
newH = 0;
}
gridRow1.Height = new GridLength(newH, GridUnitType.Pixel);
gridRow2.Height = new GridLength(0.072653723 * rest + 4.5, GridUnitType.Pixel);
gridRow3.Height = new GridLength(0.12360743 * rest + 4.5, GridUnitType.Pixel);
newH = 0.752795977 * rest - 4.5;
if (newH < 0)
{
newH = 0;
}
gridRow4.Height = new GridLength(newH, GridUnitType.Pixel);
layerNameText.SetCurrentValue(Grid.RowProperty, 7);
}
else
{
double mean = rest / 4.0;
double corrected = (mean - 4.5) < 0 ? 0 : (mean - 4.5);
gridRow1.Height = new GridLength(corrected, GridUnitType.Pixel);
gridRow2.Height = new GridLength(mean + 4.5, GridUnitType.Pixel);
gridRow3.Height = new GridLength(mean + 4.5, GridUnitType.Pixel);
gridRow4.Height = new GridLength(corrected, GridUnitType.Pixel);
}
}
}
public ViewModelImagingLayerDragObject(ViewModelImagingLayer vm, double width)
{
ViewModel = vm;
Width = width;
}
private void UserControl_DragOver(object sender, DragEventArgs e)
{
try
{
if (!_isDragging)
{
return;
}
if (e.Data.GetDataPresent("stackPanelDragItem"))
{
ViewForegroundControlHeader control = sender as ViewForegroundControlHeader;
if (control == null)
{
return;
}
else if (control.DataContext == null)
{
return;
}
ViewModelImagingLayer model = control.DataContext as ViewModelImagingLayer;
ViewModelImagingLayerDragObject dragObject = (ViewModelImagingLayerDragObject)e.Data.GetData("stackPanelDragItem");
if (dragObject.ViewModel != model)
{
if (model == null)
{
return;
}
ViewModelImagingComponent stableComponent = model.ImagingComponent;
int movingIndex = stableComponent.ImageProperties.DragComponentIndex;
int stableIndex = stableComponent.ParentListIndex;
if (movingIndex == stableIndex)
{
return;
}
if (Math.Abs(movingIndex - stableIndex) == 1)
{
Point delta = e.GetPosition(control);
if (movingIndex < stableIndex)
{
if (delta.X < 20)
{
return;
}
}
else
{
if (delta.X > control.ActualWidth - 20)
{
return;
}
}
double deadZone = control.ActualWidth - dragObject.Width;
if (deadZone > 0)
{
if (movingIndex < stableIndex)
{
if (delta.X <= deadZone)
{
return;
}
}
else if (movingIndex > stableIndex)
{
if (delta.X >= dragObject.Width)
{
return;
}
}
}
}
stableComponent.MoveRelativeComponent(stableComponent);
e.Handled = true;
}
}
}
catch { }
}
