/// <summary>
/// Creates an element filter.
/// </summary>
/// <param name="filterBy">The filter by.</param>
/// <returns>An element filter.</returns>
private static IElementFilter CreateElementFilter(FilterBy filterBy)
{
IElementFilter filter = null;
if (filterBy != null)
{
filter = new ElementFilter(filterBy.Condition);
}
return(filter);
}
/// <summary>
/// Determines whether or not the specified element can be arranged by
/// this arranger.
/// </summary>
/// <param name="parentElement">The parent element.</param>
/// <param name="codeElement">The code element.</param>
/// <returns>
/// <c>true</c> if this instance can arrange the specified parent element; otherwise, <c>false</c>.
/// </returns>
public virtual bool CanArrange(ICodeElement parentElement, ICodeElement codeElement)
{
// Clone the instance and assign the parent
ICodeElement testCodeElement = codeElement;
if (_filter == null && _elementConfiguration.FilterBy != null)
{
_filter = CreateElementFilter(_elementConfiguration.FilterBy);
}
if (parentElement != null &&
_filter != null && _filter.RequiredScope == ElementAttributeScope.Parent)
{
testCodeElement = codeElement.Clone() as ICodeElement;
testCodeElement.Parent = parentElement.Clone() as ICodeElement;
}
return((_elementConfiguration.ElementType == ElementType.NotSpecified ||
codeElement.ElementType == _elementConfiguration.ElementType) &&
(_filter == null || _filter.IsMatch(testCodeElement)));
}
/// <summary>
/// Determines whether or not the specified element can be arranged by
/// this arranger.
/// </summary>
/// <param name="parentElement">The parent element.</param>
/// <param name="codeElement">The code element.</param>
/// <returns>
/// <c>true</c> if this instance can arrange the specified parent element; otherwise, <c>false</c>.
/// </returns>
public virtual bool CanArrange(ICodeElement parentElement, ICodeElement codeElement)
{
// Clone the instance and assign the parent
ICodeElement testCodeElement = codeElement;
if (_filter == null && _elementConfiguration.FilterBy != null)
{
_filter = CreateElementFilter(_elementConfiguration.FilterBy);
}
if (parentElement != null &&
_filter != null && _filter.RequiredScope == ElementAttributeScope.Parent)
{
testCodeElement = codeElement.Clone() as ICodeElement;
testCodeElement.Parent = parentElement.Clone() as ICodeElement;
}
return (_elementConfiguration.ElementType == ElementType.NotSpecified ||
codeElement.ElementType == _elementConfiguration.ElementType) &&
(_filter == null || _filter.IsMatch(testCodeElement));
}