/// <summary>
/// Helper method to retrieve the target root element for validation from the selected object.
/// </summary>
protected static DslModeling::ModelElement GetValidationTarget(object selectedObject)
{
DslModeling::ModelElement element = null;
DslDiagrams::PresentationElement presentation = selectedObject as DslDiagrams::PresentationElement;
if (presentation != null)
{
if (presentation.Subject != null)
{
element = presentation.Subject;
}
}
else
{
element = selectedObject as DslModeling::ModelElement;
}
return(element);
}
/// <summary>
/// Called when selection changes in this window.
/// </summary>
/// <remarks>
/// Overriden to update the F1 help keyword for the selection.
/// </remarks>
/// <param name="e"></param>
protected override void OnSelectionChanged(global::System.EventArgs e)
{
base.OnSelectionChanged(e);
if (global::Ultramarine.Generators.Language.GeneratorLanguageHelpKeywordHelper.Instance != null)
{
DslModeling::ModelElement selectedElement = this.PrimarySelection as DslModeling::ModelElement;
if (selectedElement != null)
{
string f1Keyword = global::Ultramarine.Generators.Language.GeneratorLanguageHelpKeywordHelper.Instance.GetHelpKeyword(selectedElement);
// If this is a presentation element, check the underlying model element for a help keyword
DslDiagrams::PresentationElement presentationElement = this.PrimarySelection as DslDiagrams::PresentationElement;
if (presentationElement != null)
{
selectedElement = presentationElement.ModelElement;
if (selectedElement != null)
{
string modelElementKeyword = global::Ultramarine.Generators.Language.GeneratorLanguageHelpKeywordHelper.Instance.GetHelpKeyword(selectedElement);
if (string.IsNullOrEmpty(f1Keyword))
{
// Presentation element does not have an F1 keyword, so push the keyword from the model element as an F1 keyword.
f1Keyword = modelElementKeyword;
}
else if (!string.IsNullOrEmpty(modelElementKeyword) && this.SelectionHelpService != null)
{
// Presentation element has an F1 keyword, so push model element keyword as a general dynamic help keyword (non-F1).
this.SelectionHelpService.AddContextAttribute(string.Empty, modelElementKeyword, global::System.ComponentModel.Design.HelpKeywordType.GeneralKeyword);
}
}
}
if (!string.IsNullOrEmpty(f1Keyword) && this.SelectionHelpService != null)
{
this.SelectionHelpService.AddContextAttribute(string.Empty, f1Keyword, global::System.ComponentModel.Design.HelpKeywordType.F1Keyword);
}
}
}
}
