private void CaretMovedOrSelectionChanged()
{
if (_ChangingInternally)
return;
_Caret = null;
_Anchor = null;
}
private LanguageElement GetChildElement(LanguageElement element, ElementLocation location)
{
if (element == null || location == null)
return null;
NodeList nodes;
if (location._IsDetailNode)
nodes = element.DetailNodes;
else
nodes = element.Nodes;
return FindNthElement(nodes, location._PreviousMatchingSiblings + 1, location._ElementType);
}
private static ElementLocation FromLanguageElement(LanguageElement element, SourcePoint target)
{
ElementLocation elementLocation = new ElementLocation();
elementLocation._ElementType = element.ElementType;
elementLocation._IsDetailNode = element.IsDetailNode;
elementLocation._PreviousMatchingSiblings = CalculatePreviousMatchingSiblings(elementLocation, element);
elementLocation._Vector = GetClosestVector(element, target);
return elementLocation;
}
private static int CalculatePreviousMatchingSiblings(ElementLocation elementLocation, LanguageElement testElement)
{
int previousSiblings = 0;
NodeList nodes;
LanguageElement testElementParent = testElement.Parent;
if (testElementParent == null)
return 0;
if (testElement.IsDetailNode)
nodes = testElementParent.DetailNodes;
else
nodes = testElementParent.Nodes;
foreach (LanguageElement element in nodes)
{
if (element == testElement)
break;
if (element.ElementType == elementLocation._ElementType)
previousSiblings++;
}
return previousSiblings;
}
private void NavToSibling(ApplyContentEventArgs ea, SiblingDirection siblingDirection)
{
LanguageElement methodOrProperty = CodeRush.Source.ActiveMethodOrProperty;
if (methodOrProperty == null)
return;
LanguageElement sibling = methodOrProperty;
while (sibling != null)
{
if (siblingDirection == SiblingDirection.Next)
sibling = sibling.NextCodeSibling;
else
sibling = sibling.PreviousCodeSibling;
if (sibling is Method || sibling is Property)
break;
}
if (sibling == null)
{
string msg;
string searchItem;
if (methodOrProperty is Property)
searchItem = "properties";
else
searchItem = "methods";
if (siblingDirection == SiblingDirection.Next)
msg = String.Format("No more {0} below this location.", searchItem); // Translate: {0} is the item we're searching for (e.g., "properties" or "methods").
else
msg = String.Format("No more {0} above this location.", searchItem); // Translate: {0} is the item we're searching for (e.g., "properties" or "methods").
CodeRush.ApplicationObject.StatusBar.Text = msg;
return;
}
if (_Caret == null)
_Caret = ElementLocation.From(methodOrProperty, CodeRush.Caret.SourcePoint);
TextView textView = ea.TextView;
if (textView == null)
return;
if (_Anchor == null)
if (textView.Selection.Exists)
_Anchor = ElementLocation.From(methodOrProperty, textView.Selection.AnchorSourcePoint);
Restore(sibling, textView);
}