private void PerformSelection(D2DShape shape)
{
MapShapeModel model = shape.Model as MapShapeModel;
if (model == null)
{
Debug.Assert(false, "Must have a model associated with each UI shape");
return;
}
var context = new SelectionChangeContext()
{
Layer = this.map.Layers.FindLayerById(shape.LayerId),
Shape = shape,
Model = model
};
if (this.selectionModeCache == MapShapeSelectionMode.Single)
{
this.SingleSelect(context, true);
}
else if (this.selectionModeCache == MapShapeSelectionMode.MultiSimple)
{
this.SingleSelect(context, false);
}
else if (this.selectionModeCache == MapShapeSelectionMode.MultiExtended)
{
this.MultiExtendedSelect(context);
}
this.NotifySelectionChanged(context);
}
private void AddShape(D2DShape shape, MapShapeModel model)
{
// cross-references since we need to look-up a model from a shape and a shape from a model
this.modelToVisualTable.Add(model, shape);
shape.Model = model;
// TODO: Extend label logic
shape.Label = this.GetShapeTextBlock(model);
this.ApplyShapeStyle(shape);
this.shapes.Add(shape);
}
private D2DTextBlock GetShapeTextBlock(MapShapeModel model)
{
var text = this.GetShapeLabel(model);
if (text == null)
{
return(null);
}
return(new D2DTextBlock()
{
Text = text
});
}
private void SelectModel(MapShapeModel model)
{
var context = new SelectionChangeContext()
{
Model = model
};
this.ClearSelectedModels(context, false);
this.selectedModels.Add(context.Model);
context.AddedItems = new List <object>();
context.AddedItems.Add(context.Model);
this.NotifySelectionChanged(context);
}
/// <inheritdoc />
protected override string GetNameCore()
{
MapShapeModel model = this.ShapeModel as MapShapeModel;
if (model != null)
{
string layerLabelAttribute = this.LayerPeer.LayerOwner.ShapeLabelAttributeName;
if (!string.IsNullOrEmpty(layerLabelAttribute))
{
if (model.Attributes[layerLabelAttribute] != null)
{
return(model.Attributes[layerLabelAttribute].ToString());
}
}
return(model.UniqueId.ToString());
}
return(this.GetHashCode().ToString());
}
private string GetShapeLabel(MapShapeModel model)
{
if (string.IsNullOrEmpty(this.labelAttributeNameCache))
{
return(null);
}
object labelValue;
if (!model.Attributes.TryGetValue(this.labelAttributeNameCache, out labelValue))
{
return(null);
}
if (labelValue == null)
{
return(null);
}
return(labelValue.ToString());
}
internal void DeselectShape(MapShapeModel shapeModel)
{
this.selectedModels.Remove(shapeModel);
}
