private MenuItemDef CreatePasteModelObjectsAction(Dataweb.NShape.Advanced.IReadOnlyCollection <IModelObject> modelObjects)
{
bool isFeasible = (copyPasteBuffer.Count > 0 && modelObjects.Count <= 1);
string description;
if (isFeasible)
{
description = string.Format("Paste {0} model object{1}.", copyPasteBuffer.Count,
(copyPasteBuffer.Count > 1) ? "s" : string.Empty);
}
else
{
description = "No model objects copied.";
}
IModelObject parent = null;
foreach (IModelObject mo in modelObjects)
{
parent = mo;
break;
}
return(new DelegateMenuItemDef("Paste", Properties.Resources.PasteBtn, "PasteModelObjectsAction",
description, false, isFeasible, Permission.None,
(a, p) => Paste(parent)));
}
private MenuItemDef CreateDeleteModelObjectsAction(Dataweb.NShape.Advanced.IReadOnlyCollection <IModelObject> modelObjects)
{
string description;
bool isFeasible;
if (modelObjects != null && modelObjects.Count > 0)
{
isFeasible = true;
description = string.Format("Delete {0} model object{1}.", modelObjects.Count,
(modelObjects.Count > 0) ? "s" : string.Empty);
foreach (IModelObject modelObject in modelObjects)
{
foreach (IModelObject mo in Project.Repository.GetModelObjects(modelObject))
{
if (mo.ShapeCount > 0)
{
isFeasible = false;
description = "One or more child model objects are attached to shapes.";
}
}
}
}
else
{
isFeasible = false;
description = "No model objects selected";
}
return(new DelegateMenuItemDef("Delete", Properties.Resources.DeleteBtn, "DeleteModelObjectsAction",
description, false, isFeasible, Permission.None,
(a, p) => DeleteModelObjects(modelObjects)));
}
/// <summary>
/// Returns a collection of <see cref="T:Dataweb.NShape.Advanced.MenuItemDef" /> for constructing context menus etc.
/// </summary>
public IEnumerable <MenuItemDef> GetMenuItemDefs(Diagram diagram, Dataweb.NShape.Advanced.IReadOnlyCollection <Layer> selectedLayers)
{
if (diagram == null)
{
throw new ArgumentNullException("diagram");
}
if (selectedLayers == null)
{
throw new ArgumentNullException("selectedLayers");
}
bool isFeasible;
string description;
isFeasible = diagram.Layers.Count < Enum.GetValues(typeof(LayerIds)).Length;
description = isFeasible ? "Add a new layer to the diagram" : "Maximum number of layers reached";
yield return(new DelegateMenuItemDef("Add Layer",
Properties.Resources.NewLayer, description, isFeasible, Permission.Data,
diagram != null ? diagram.SecurityDomainName : 'A',
(a, p) => AddLayer(diagram)));
isFeasible = selectedLayers.Count > 0;
description = isFeasible ? string.Format("Delete {0} Layers", selectedLayers.Count) : "No layers selected";
yield return(new DelegateMenuItemDef(string.Format("Delete Layer{0}", selectedLayers.Count > 1 ? "s" : string.Empty),
Properties.Resources.DeleteBtn, description, isFeasible, Permission.Data,
diagram != null ? diagram.SecurityDomainName : 'A',
(a, p) => this.RemoveLayers(diagram, selectedLayers)));
}
private MenuItemDef CreateFindShapesAction(Dataweb.NShape.Advanced.IReadOnlyCollection <IModelObject> modelObjects)
{
bool isFeasible = (diagramSetController != null);
string description = "Find and select all assigned shapes.";
return(new DelegateMenuItemDef("Find assigned shapes", Properties.Resources.FindShapes, "FindShapesAction",
description, false, isFeasible, Permission.None,
(a, p) => FindShapes(modelObjects)));
}
private MenuItemDef CreateCopyModelObjectsAction(Dataweb.NShape.Advanced.IReadOnlyCollection <IModelObject> modelObjects)
{
bool isFeasible = (modelObjects != null && modelObjects.Count > 0);
string description;
if (isFeasible)
{
description = string.Format("Copy {0} model object{1}.", modelObjects.Count,
(modelObjects.Count > 1) ? "s" : string.Empty);
}
else
{
description = "No model objects selected";
}
return(new DelegateMenuItemDef("Copy", Properties.Resources.CopyBtn, "CopyModelObjectsAction",
description, false, isFeasible, Permission.None,
(a, p) => Copy(modelObjects)));
}
/// <summary>
/// Returns a collection of <see cref="T:Dataweb.NShape.Advanced.MenuItemDef" /> for constructing context menus etc.
/// </summary>
public IEnumerable <MenuItemDef> GetMenuItemDefs(Dataweb.NShape.Advanced.IReadOnlyCollection <IModelObject> modelObjects)
{
if (modelObjects == null)
{
throw new ArgumentNullException("modelObjects");
}
// New...
// Rename
yield return(CreateDeleteModelObjectsAction(modelObjects));
yield return(new SeparatorMenuItemDef());
yield return(CreateCopyModelObjectsAction(modelObjects));
// Cut
yield return(CreatePasteModelObjectsAction(modelObjects));
yield return(new SeparatorMenuItemDef());
// Find model object...
yield return(CreateFindShapesAction(modelObjects));
}
