public static ElementLinkPair <CT> CreateFromView <CT>(CT view, ProjectXmlPair pre = null)
where CT : ProjectElement
{
var real = ViewValidation.GetRealObject(view);
return(new ElementLinkPair <CT>(pre, view, real));
}
private void CopyFromInternal(ProjectRootElement sourceProject)
{
// quite a few complexity in the ExternalProjectProvider implementation is because of
// ProjectElement.CopyFrom and ProjectElementContainer.DeepCopyFrom....
bool externalSource = sourceProject != null;
var projectPair = GetNewInMemoryProject("CopyFrom", TestCollectionGroup.BigProjectFile);
var xmlPair = new ProjectXmlPair(projectPair);
Assert.True(xmlPair.View.HasUnsavedChanges);
xmlPair.View.Save();
Assert.False(xmlPair.View.HasUnsavedChanges);
sourceProject ??= xmlPair.View;
var existingItemGroupList = sourceProject.AllChildren.OfType <ProjectItemGroupElement>().Where((ig) => ig.Label == "Group1").ToList();
Assert.Single(existingItemGroupList);
var existingItemGroup = existingItemGroupList[0];
Assert.NotNull(existingItemGroup);
var realExistingItemGroup = ViewValidation.GetRealObject(existingItemGroup);
var ourGroup1 = xmlPair.QuerySingleChildrenWithValidation <ProjectItemGroupElement>((ig) => ig.Label == "Group1");
var newCopyFrom = xmlPair.AddNewLabeledChaildWithVerify <ProjectItemGroupElement>(ObjectType.View, "newGrop", (p, l) => p.AddItemGroup());
newCopyFrom.View.CopyFrom(existingItemGroup);
xmlPair.QueryChildrenWithValidation <ProjectItemGroupElement>((ig) => ig.Label == "Group1", 2);
newCopyFrom.View.Label = "CopyFrom";
newCopyFrom.VerifySame(xmlPair.QuerySingleChildrenWithValidation <ProjectItemGroupElement>((ig) => ig.Label == "CopyFrom"));
ourGroup1.VerifySame(xmlPair.QuerySingleChildrenWithValidation <ProjectItemGroupElement>((ig) => ig.Label == "Group1"));
// children are not copied.
Assert.Empty(newCopyFrom.View.Items);
// but attributes are (even non standard)
// Assert.Equal("2", ProjectElementLink.GetAttributeValue(existingItemGroup, "FunnyAttribute", true));
// Assert.Equal("2", ProjectElementLink.GetAttributeValue(newCopyFrom.View, "FunnyAttribute", true));
newCopyFrom.VerifyNotSame(ourGroup1);
Assert.True(xmlPair.View.HasUnsavedChanges);
Assert.False(externalSource && sourceProject.HasUnsavedChanges);
var newDeepCopy = xmlPair.AddNewLabeledChaildWithVerify <ProjectItemGroupElement>(ObjectType.View, "newGrop", (p, l) => p.AddItemGroup());
newDeepCopy.View.DeepCopyFrom(existingItemGroup);
xmlPair.QueryChildrenWithValidation <ProjectItemGroupElement>((ig) => ig.Label == "Group1", 2);
// slightly cheting but we know that the large groups should be the same, even though there are not the same object
// note do that before changing the label.
Assert.NotSame(realExistingItemGroup, newDeepCopy.Real);
// TODO XmlLocation is (correctly) different for the items, need to find a way to bypass it.
var context = new ValidationContext();
context.ValidateLocation = delegate(ElementLocation a, ElementLocation e) { return; };
ViewValidation.Verify(newDeepCopy.View, realExistingItemGroup, context);
newDeepCopy.View.Label = "DeepCopyFrom";
newDeepCopy.VerifySame(xmlPair.QuerySingleChildrenWithValidation <ProjectItemGroupElement>((ig) => ig.Label == "DeepCopyFrom"));
ourGroup1.VerifySame(xmlPair.QuerySingleChildrenWithValidation <ProjectItemGroupElement>((ig) => ig.Label == "Group1"));
newDeepCopy.VerifyNotSame(ourGroup1);
Assert.False(externalSource && sourceProject.HasUnsavedChanges);
}
