internal RefreshedEventArgs(LayerItemViewModel layerItem, Exception ex)
{
LayerItem = layerItem;
Error = ex;
}
/// <summary>
/// When overridden in a derived class, is invoked whenever application code
/// or internal processes (such as a rebuilding layout pass) call
/// <see cref="M:System.Windows.Controls.Control.ApplyTemplate"/>.
/// </summary>
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
if (!_isLoaded)
{
_isLoaded = true;
if (System.ComponentModel.DesignerProperties.GetIsInDesignMode(this) && (Map == null || Map.Layers == null || Map.Layers.Count == 0))
{
if (_legendTree.LayerItems == null)
{
// Create a basic hierachy for design : Map Layer -> SubLayer -> LegendItemViewModel
LegendItemViewModel legendItem = new LegendItemViewModel()
{
Label = "LegendItem",
ImageSource = new BitmapImage(new Uri("/ESRI.ArcGIS.Client.Toolkit;component/Images/legendItem.png", UriKind.Relative)),
};
LayerItemViewModel layerItem = new LayerItemViewModel()
{
Label = "LayerItem",
LegendItems = new ObservableCollection<LegendItemViewModel>() { legendItem }
};
LayerItemViewModel mapLayerItem = new LayerItemViewModel()
{
Label = "MapLayerItem",
LayerType = MapLayerItem.c_mapLayerType,
LayerItems = new ObservableCollection<LayerItemViewModel>() { layerItem },
};
_legendTree.LayerItems = new ObservableCollection<LayerItemViewModel>() { mapLayerItem };
}
}
else
{
// Initialize the Map now that all parameters are well known
_legendTree.Map = Map;
}
}
}
