private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
HashSet <string> hidePropNames = new HashSet <string>(StringComparer.CurrentCultureIgnoreCase);
hidePropNames.Add("CodeSnippetEditor");
hidePropNames.Add("CodeSnippet");
// Get a reference to the model element which is active linked widget of this code snippet
VDCodeSnippet source = this.ModelElement as VDCodeSnippet;
if (source != null)
{
// for Reference mode, show code snippet for the active linked widget
if (source._Mode.HasFlag(E_CodeSnippetMode.Reference) && source.ActiveLinkedWidget == null)
{
hidePropNames.Add("CodeSnippet2");
}
}
// Return the property descriptors for this element
List <PropertyDescriptor> list = new List <PropertyDescriptor>();
foreach (PropertyDescriptor desc in propertyDescriptors)
{
if (!hidePropNames.Contains(desc.Name))
{
list.Add(desc);
}
}
return(new PropertyDescriptorCollection(list.ToArray()));
}
public override object GetValue(ShapeElement parentShape)
{
if (parentShape.Diagram != null &&
parentShape.Diagram.ActiveDiagramView != null &&
parentShape.Diagram.ActiveDiagramView.DiagramClientView != null)
{
if (this.HasPendingEdit(parentShape, parentShape.Diagram.ActiveDiagramView.DiagramClientView))
{
VDCodeSnippet codeSnippet = parentShape.ModelElement as VDCodeSnippet;
if (codeSnippet != null)
{
return(codeSnippet.CodeSnippet2);
}
}
}
return(base.GetValue(parentShape));
}
// when a widget lost its focus, reset the ActiveLinkedWidget of its CodeSnippetEditor
protected override void OnSelectionChanging(EventArgs e)
{
base.OnSelectionChanging(e);
ShapeElement shape = this.PrimarySelection as ShapeElement;
if (shape == null || shape.ModelElement == null)
{
return;
}
VDWidget widgetLosingSelection = shape.ModelElement as VDWidget;
if (widgetLosingSelection == null)
{
return;
}
VDCodeSnippet codeEditor2Reset = null;
if (widgetLosingSelection is VDCodeSnippet) // reference mode codesnippet editor is losting selection
{
// if new selected shape is Title of code snippet, don't reset it
var primaryItem = this.CurrentDesigner.Selection.PrimaryItem;
if (primaryItem != null && primaryItem.Shape != null &&
primaryItem.Shape is VDWidgetTitlePort &&
primaryItem.Shape.ModelElement != null &&
((VDWidgetTitle)primaryItem.Shape.ModelElement).Widget == widgetLosingSelection)
{
// ...
}
else if (((VDCodeSnippet)widgetLosingSelection)._Mode.HasFlag(E_CodeSnippetMode.Reference))
{
codeEditor2Reset = widgetLosingSelection as VDCodeSnippet;
}
}
else if (widgetLosingSelection.CodeSnippetEditor != null)
{
VDCodeSnippet newSelectedCodeSnippet = null;
// check if the new selected element is EVAACodeSnippet or EVAARawSnippet
if (this.CurrentDesigner.Selection != null)
{
var primaryItem = this.CurrentDesigner.Selection.PrimaryItem;
if (primaryItem != null && primaryItem.Shape != null)
{
if (primaryItem.Shape is VDCodeSnippetShape)
{
newSelectedCodeSnippet = primaryItem.Shape.ModelElement as VDCodeSnippet;
}
else if (primaryItem.Shape is VDWidgetTitlePort) // new selection is the Title of code snippet widget
{
VDWidgetTitle title = primaryItem.Shape.ModelElement as VDWidgetTitle;
if (title != null && title.Widget is VDCodeSnippet)
{
newSelectedCodeSnippet = title.Widget as VDCodeSnippet;
}
}
}
}
// new selection is the code editor of previously selected widget,
// in this case, don't reset the ActiveLinkedWidget of the code viewer
if (newSelectedCodeSnippet == null || widgetLosingSelection.CodeSnippetEditor != newSelectedCodeSnippet)
{
codeEditor2Reset = widgetLosingSelection.CodeSnippetEditor;
}
}
if (codeEditor2Reset != null)
{
using (Transaction trans = this.DocData.Store.TransactionManager.BeginTransaction("Clear Active Linked Widget"))
{
codeEditor2Reset.ActiveLinkedWidget = null;
trans.Commit();
}
}
}
