private void SetTreeViewItemVisibility()
{
if (ShowLayersVisibleAtScale)
{
bool isNodeVisible = IsInScaleRange == true;
if (isNodeVisible)
{
LayerItemViewModel mod = this.DataContext as LayerItemViewModel;
if (mod != null && mod.LayerItems != null)
{
LayerItemViewModel child = mod.LayerItems.FirstOrDefault(lm => lm.IsInScaleRange);
if (child == null)
{
isNodeVisible = false;
}
}
}
//hide the node if not visible at current extent
TreeViewItem item = ControlTreeHelper.FindAncestorOfType <TreeViewItem>(this);
if (item != null)
{
item.Visibility = isNodeVisible ? Visibility.Visible : Visibility.Collapsed;
if (item.Visibility == Visibility.Visible)
{
EnsureAncestorsVisible(item);
}
}
}
}
private void EnsureAncestorsVisible(TreeViewItem item)
{
TreeViewItem parent = ControlTreeHelper.FindAncestorOfType <TreeViewItem>(item);
if (parent != null)
{
if (parent.Visibility != Visibility.Visible)
{
parent.Visibility = Visibility.Visible;
}
EnsureAncestorsVisible(parent);
}
}
void AssociatedObject_Checked(object sender, RoutedEventArgs e)
{
LayerInfo layerInfo = AssociatedObject.DataContext as LayerInfo;
if (layerInfo != null && layerInfo.Layer != null && !string.IsNullOrWhiteSpace(layerInfo.Layer.ID))
{
MapContentsConfigControl parentConfigControl = ControlTreeHelper.FindAncestorOfType <MapContentsConfigControl>(AssociatedObject);
if (parentConfigControl != null)
{
MapContentsConfiguration conf = parentConfigControl.DataContext as MapContentsConfiguration;
if (conf != null)
{
List <string> excludedLayers = conf.ExcludedLayerIds == null ? null : conf.ExcludedLayerIds.ToList <string>();
if (AssociatedObject.IsChecked == true)
{
if (excludedLayers == null)
{
conf.ExcludedLayerIds = new string[] { layerInfo.Layer.ID };
}
else if (!excludedLayers.Contains(layerInfo.Layer.ID))
{
excludedLayers.Add(layerInfo.Layer.ID);
conf.ExcludedLayerIds = excludedLayers.ToArray();
}
}
else
{
if (excludedLayers != null)
{
excludedLayers.Remove(layerInfo.Layer.ID);
conf.ExcludedLayerIds = excludedLayers.ToArray();
}
}
}
}
}
}
void AssociatedObject_MouseRightButtonUp(object sender, MouseButtonEventArgs e)
{
MapContents cont = ControlTreeHelper.FindAncestorOfType <MapContents>(AssociatedObject);
if (cont == null)
{
return;
}
MapContentsConfiguration conf = cont.DataContext as MapContentsConfiguration;
if (conf == null)
{
return;
}
if (ToolPanels.Current != null && !string.IsNullOrWhiteSpace(conf.ContextMenuToolPanelName))
{
_toolPanel = ToolPanels.Current[conf.ContextMenuToolPanelName];
}
if (_toolPanel == null)
{
return;
}
_contextMenu = new ContextMenu();
if (ContextMenuStyle != null)
{
_contextMenu.Style = ContextMenuStyle;
}
// Bind background and foreground properties to context menu
Binding b = new Binding("ContextMenuBackground")
{
Source = this
};
_contextMenu.SetBinding(ContextMenu.BackgroundProperty, b);
b = new Binding("ContextMenuForeground")
{
Source = this
};
_contextMenu.SetBinding(ContextMenu.ForegroundProperty, b);
// set the control to the current culture settings (LTR/RTL)
RTLHelper helper = System.Windows.Application.Current.Resources["RTLHelper"] as RTLHelper;
Debug.Assert(helper != null);
if (helper != null)
{
_contextMenu.FlowDirection = helper.FlowDirection;
}
foreach (FrameworkElement button in _toolPanel.ToolPanelItems)
{
System.Windows.Controls.Primitives.ButtonBase btnBase = button as System.Windows.Controls.Primitives.ButtonBase;
if (btnBase != null)
{
MenuItem item = new MenuItem();
ButtonDisplayInfo info = btnBase.DataContext as ButtonDisplayInfo;
if (info != null)
{
item.Header = info.Label;
if (!string.IsNullOrEmpty(info.Icon))
{
Image image = new Image();
Binding binding = new Binding("Icon")
{
Converter = _urlResolver
};
image.SetBinding(Image.SourceProperty, binding);
image.DataContext = info;
item.Icon = image;
}
item.Command = btnBase.Command;
_contextMenu.Items.Add(item);
}
}
else
{
_contextMenu.Items.Add(new Separator());
}
}
Point point = e.GetPosition(null);
if (point != null)
{
_contextMenu.HorizontalOffset = point.X;
_contextMenu.VerticalOffset = point.Y;
}
LayerItemViewModel layerViewModel = AssociatedObject.DataContext as LayerItemViewModel;
if (layerViewModel != null && layerViewModel.Layer != null)
{
if (!CoreExtensions.GetIsSelected(layerViewModel.Layer))
{
SetSelectedLayer(layerViewModel.Layer);
}
}
if (_contextMenu.Items.Count > 0)
{
_contextMenu.IsOpen = true;
if (_contextMenu.FlowDirection == FlowDirection.RightToLeft)
{
// Now that the popup is open, we can update the layout measurements so that
// the ActualWidth is available.
_contextMenu.UpdateLayout();
_contextMenu.HorizontalOffset -= _contextMenu.ActualWidth;
}
}
}