本文整理汇总了C#中System.Workflow.ComponentModel.Design.IIdentifierCreationService.EnsureUniqueIdentifiers方法的典型用法代码示例。如果您正苦于以下问题:C# IIdentifierCreationService.EnsureUniqueIdentifiers方法的具体用法?C# IIdentifierCreationService.EnsureUniqueIdentifiers怎么用?C# IIdentifierCreationService.EnsureUniqueIdentifiers使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Workflow.ComponentModel.Design.IIdentifierCreationService
的用法示例。
在下文中一共展示了IIdentifierCreationService.EnsureUniqueIdentifiers方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetIdentifiersInCompositeActivity
void IIdentifierCreationService.EnsureUniqueIdentifiers(CompositeActivity parentActivity, ICollection childActivities)
{
if (parentActivity == null)
throw new ArgumentNullException("parentActivity");
if (childActivities == null)
throw new ArgumentNullException("childActivities");
List<Activity> allActivities = new List<Activity>();
Queue activities = new Queue(childActivities);
while (activities.Count > 0)
{
Activity activity = (Activity)activities.Dequeue();
if (activity is CompositeActivity)
{
foreach (Activity child in ((CompositeActivity)activity).Activities)
activities.Enqueue(child);
}
//If we are moving activities, we need not regenerate their identifiers
if (((IComponent)activity).Site != null)
continue;
allActivities.Add(activity);
}
// get the root activity
CompositeActivity rootActivity = GetRootActivity(parentActivity) as CompositeActivity;
ArrayList identifiers = new ArrayList(); // all the identifiers in the workflow
identifiers.AddRange(GetIdentifiersInCompositeActivity(rootActivity));
foreach (Activity activity in allActivities)
{
string finalIdentifier = activity.Name;
// now loop until we find a identifier that hasn't been used.
string baseIdentifier = GetBaseIdentifier(activity);
int index = 0;
identifiers.Sort();
while (finalIdentifier == null || finalIdentifier.Length == 0 || identifiers.BinarySearch(finalIdentifier.ToLower(), StringComparer.OrdinalIgnoreCase) >= 0)
{
finalIdentifier = string.Format("{0}{1}", baseIdentifier, ++index);
}
// add new identifier to collection
identifiers.Add(finalIdentifier);
activity.Name = finalIdentifier;
}
}
private static IList GetIdentifiersInCompositeActivity(CompositeActivity compositeActivity)
{
ArrayList identifiers = new ArrayList();
if (compositeActivity != null)
{
identifiers.Add(compositeActivity.Name);
IList<Activity> allChildren = GetAllNestedActivities(compositeActivity);
foreach (Activity activity in allChildren)
identifiers.Add(activity.Name);
}
return ArrayList.ReadOnly(identifiers);
}
private static string GetBaseIdentifier(Activity activity)
{
string baseIdentifier = activity.GetType().Name;
StringBuilder b = new StringBuilder(baseIdentifier.Length);
for (int i = 0; i < baseIdentifier.Length; i++)
{
if (Char.IsUpper(baseIdentifier[i]) && (i == 0 || i == baseIdentifier.Length - 1 || Char.IsUpper(baseIdentifier[i + 1])))
{
b.Append(Char.ToLower(baseIdentifier[i]));
}
else
{
b.Append(baseIdentifier.Substring(i));
break;
}
}
return b.ToString();
}
private static Activity GetRootActivity(Activity activity)
{
if (activity == null)
throw new ArgumentException("activity");
while (activity.Parent != null)
activity = activity.Parent;
return activity;
}
private static Activity[] GetAllNestedActivities(CompositeActivity compositeActivity)
{
if (compositeActivity == null)
throw new ArgumentNullException("compositeActivity");
ArrayList nestedActivities = new ArrayList();
Queue compositeActivities = new Queue();
compositeActivities.Enqueue(compositeActivity);
while (compositeActivities.Count > 0)
{
CompositeActivity compositeActivity2 = (CompositeActivity)compositeActivities.Dequeue();
foreach (Activity activity in compositeActivity2.Activities)
{
nestedActivities.Add(activity);
if (activity is CompositeActivity)
compositeActivities.Enqueue(activity);
}
foreach (Activity activity in compositeActivity2.EnabledActivities)
{
if (!nestedActivities.Contains(activity))
{
nestedActivities.Add(activity);
if (activity is CompositeActivity)
compositeActivities.Enqueue(activity);
}
}
}
return (Activity[])nestedActivities.ToArray(typeof(Activity));
}
开发者ID:.NET开发者,项目名称:System.Workflow.ComponentModel.Design,代码行数:125,代码来源:IIdentifierCreationService.EnsureUniqueIdentifiers