void DisplayRectDragOver(object sender, DragEventArgs e)
{
try {
StackPanel target = sender as StackPanel;
e.Handled = true;
if (marker != null)
{
AdornerLayer.GetAdornerLayer(marker.AdornedElement).Remove(marker);
marker = null;
}
if (target != null)
{
FrameworkElement element = target.InputHitTest(e.GetPosition(target)) as FrameworkElement;
if (e.Data.GetData(typeof(XElement)) != null && (element is StackPanel || element.TemplatedParent is Label))
{
marker = DragDropMarkerAdorner.CreateAdornerContentMove(target, element);
e.Effects = DragDropEffects.Move;
return;
}
}
e.Effects = DragDropEffects.None;
} catch (Exception ex) {
Core.LoggingService.Error(ex);
}
}
public static DragDropMarkerAdorner CreateAdornerCellMove(FrameworkElement element)
{
DragDropMarkerAdorner adorner = new DragDropMarkerAdorner(element);
if (element is GridLengthEditor) {
GridLengthEditor editor = element as GridLengthEditor;
if (editor.Orientation == Orientation.Horizontal) {
adorner.start = new Point(5,5);
adorner.end = new Point(5, editor.ActualWidth + 50);
} else {
adorner.start = new Point(5,5);
adorner.end = new Point(editor.ActualHeight + 250, 5);
}
} else if (element is StackPanel) {
StackPanel panel = element as StackPanel;
Dock dockState = (Dock)panel.GetValue(DockPanel.DockProperty);
if (dockState == Dock.Right) {
adorner.start = new Point(5,5);
adorner.end = new Point(5, panel.ActualHeight);
} else if (dockState == Dock.Bottom) {
adorner.start = new Point(5,5);
adorner.end = new Point(panel.ActualWidth - 10, 5);
}
}
AdornerLayer.GetAdornerLayer(element).Add(adorner);
return adorner;
}
void EditorDragOver(object sender, DragEventArgs e)
{
try {
GridLengthEditor target = sender as GridLengthEditor;
GridLengthEditor source = e.Data.GetData(typeof(GridLengthEditor)) as GridLengthEditor;
e.Handled = true;
if (marker != null)
{
AdornerLayer.GetAdornerLayer(marker.AdornedElement).Remove(marker);
marker = null;
}
if (target != null && source != null && source.Orientation == target.Orientation &&
(target != source && (target.Cell < source.Cell || target.Cell > source.Cell + 1)))
{
marker = DragDropMarkerAdorner.CreateAdornerCellMove(target);
e.Effects = DragDropEffects.Move;
return;
}
e.Effects = DragDropEffects.None;
} catch (Exception ex) {
Core.LoggingService.Error(ex);
}
}
void ButtonPanelDragOver(object sender, DragEventArgs e)
{
try {
StackPanel target = sender as StackPanel;
GridLengthEditor source = e.Data.GetData(typeof(GridLengthEditor)) as GridLengthEditor;
e.Handled = true;
if (marker != null)
{
AdornerLayer.GetAdornerLayer(marker.AdornedElement).Remove(marker);
marker = null;
}
if (target != null && source != null && source.Orientation == Orientation.Vertical && source.Cell + 1 < rowDefitions.Elements().Count())
{
marker = DragDropMarkerAdorner.CreateAdornerCellMove(target);
e.Effects = DragDropEffects.Move;
return;
}
e.Effects = DragDropEffects.None;
} catch (Exception ex) {
Core.LoggingService.Error(ex);
}
}
public static DragDropMarkerAdorner CreateAdornerContentMove(StackPanel panel, FrameworkElement aboveElement)
{
DragDropMarkerAdorner adorner;
if (aboveElement is StackPanel) {
aboveElement = (panel.Children.Count > 0 ? panel.Children[panel.Children.Count - 1] : panel) as FrameworkElement;
adorner = new DragDropMarkerAdorner(aboveElement);
adorner.start = new Point(5, 5 + aboveElement.DesiredSize.Height);
adorner.end = new Point(panel.ActualWidth - 10, 5 + aboveElement.DesiredSize.Height);
} else {
aboveElement = aboveElement.TemplatedParent as FrameworkElement;
adorner = new DragDropMarkerAdorner(aboveElement);
adorner.start = new Point(5, 0);
adorner.end = new Point(panel.ActualWidth - 10, 0);
}
AdornerLayer.GetAdornerLayer(aboveElement).Add(adorner);
return adorner;
}
public static DragDropMarkerAdorner CreateAdornerCellMove(FrameworkElement element)
{
DragDropMarkerAdorner adorner = new DragDropMarkerAdorner(element);
if (element is GridLengthEditor)
{
GridLengthEditor editor = element as GridLengthEditor;
if (editor.Orientation == Orientation.Horizontal)
{
adorner.start = new Point(5, 5);
adorner.end = new Point(5, editor.ActualWidth + 50);
}
else
{
adorner.start = new Point(5, 5);
adorner.end = new Point(editor.ActualHeight + 250, 5);
}
}
else if (element is StackPanel)
{
StackPanel panel = element as StackPanel;
Dock dockState = (Dock)panel.GetValue(DockPanel.DockProperty);
if (dockState == Dock.Right)
{
adorner.start = new Point(5, 5);
adorner.end = new Point(5, panel.ActualHeight);
}
else if (dockState == Dock.Bottom)
{
adorner.start = new Point(5, 5);
adorner.end = new Point(panel.ActualWidth - 10, 5);
}
}
AdornerLayer.GetAdornerLayer(element).Add(adorner);
return(adorner);
}
public static DragDropMarkerAdorner CreateAdornerContentMove(StackPanel panel, FrameworkElement aboveElement)
{
DragDropMarkerAdorner adorner;
if (aboveElement is StackPanel)
{
aboveElement = (panel.Children.Count > 0 ? panel.Children[panel.Children.Count - 1] : panel) as FrameworkElement;
adorner = new DragDropMarkerAdorner(aboveElement);
adorner.start = new Point(5, 5 + aboveElement.DesiredSize.Height);
adorner.end = new Point(panel.ActualWidth - 10, 5 + aboveElement.DesiredSize.Height);
}
else
{
aboveElement = aboveElement.TemplatedParent as FrameworkElement;
adorner = new DragDropMarkerAdorner(aboveElement);
adorner.start = new Point(5, 0);
adorner.end = new Point(panel.ActualWidth - 10, 0);
}
AdornerLayer.GetAdornerLayer(aboveElement).Add(adorner);
return(adorner);
}
void DisplayRectDragOver(object sender, DragEventArgs e)
{
try {
StackPanel target = sender as StackPanel;
e.Handled = true;
if (marker != null) {
AdornerLayer.GetAdornerLayer(marker.AdornedElement).Remove(marker);
marker = null;
}
if (target != null) {
FrameworkElement element = target.InputHitTest(e.GetPosition(target)) as FrameworkElement;
if (e.Data.GetData(typeof(XElement)) != null && (element is StackPanel || element.TemplatedParent is Label)) {
marker = DragDropMarkerAdorner.CreateAdornerContentMove(target, element);
e.Effects = DragDropEffects.Move;
return;
}
}
e.Effects = DragDropEffects.None;
} catch (Exception ex) {
Core.LoggingService.Error(ex);
}
}
void ButtonPanelDragOver(object sender, DragEventArgs e)
{
try {
StackPanel target = sender as StackPanel;
GridLengthEditor source = e.Data.GetData(typeof(GridLengthEditor)) as GridLengthEditor;
e.Handled = true;
if (marker != null) {
AdornerLayer.GetAdornerLayer(marker.AdornedElement).Remove(marker);
marker = null;
}
if (target != null && source != null && source.Orientation == Orientation.Vertical && source.Cell + 1 < rowDefitions.Elements().Count()) {
marker = DragDropMarkerAdorner.CreateAdornerCellMove(target);
e.Effects = DragDropEffects.Move;
return;
}
e.Effects = DragDropEffects.None;
} catch (Exception ex) {
Core.LoggingService.Error(ex);
}
}
