public override void SetValue(object component, object value)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
RuleSetReference reference = component as RuleSetReference;
if (reference == null)
{
throw new ArgumentNullException("component");
}
RuleSet item = value as RuleSet;
if (!string.IsNullOrEmpty(reference.RuleSetName))
{
ISite serviceProvider = PropertyDescriptorUtils.GetSite(base.ServiceProvider, component);
if (serviceProvider == null)
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.MissingService, new object[] { typeof(ISite).FullName }));
}
RuleSetCollection ruleSets = null;
RuleDefinitions definitions = ConditionHelper.Load_Rules_DT(serviceProvider, Helpers.GetRootActivity(serviceProvider.Component as Activity));
if (definitions != null)
{
ruleSets = definitions.RuleSets;
}
if ((ruleSets != null) && ruleSets.Contains(reference.RuleSetName))
{
ruleSets.Remove(reference.RuleSetName);
ruleSets.Add(item);
ConditionHelper.Flush_Rules_DT(serviceProvider, Helpers.GetRootActivity(serviceProvider.Component as Activity));
}
}
}
protected override void DoDefaultAction()
{
base.DoDefaultAction();
WorkflowDesignerLoader service = this.GetService(typeof(WorkflowDesignerLoader)) as WorkflowDesignerLoader;
if ((service != null) && service.InDebugMode)
{
throw new InvalidOperationException(Messages.DebugModeEditsDisallowed);
}
PolicyActivity activity = (PolicyActivity)base.Activity;
if (!System.Workflow.Activities.Common.Helpers.IsActivityLocked(activity))
{
RuleDefinitions definitions = ConditionHelper.Load_Rules_DT(this, System.Workflow.Activities.Common.Helpers.GetRootActivity(activity));
if (definitions != null)
{
RuleSetCollection ruleSets = definitions.RuleSets;
RuleSetReference ruleSetReference = activity.RuleSetReference;
RuleSet ruleSet = null;
string key = null;
if ((ruleSetReference != null) && !string.IsNullOrEmpty(ruleSetReference.RuleSetName))
{
key = ruleSetReference.RuleSetName;
if (ruleSets.Contains(key))
{
ruleSet = ruleSets[key];
}
}
else
{
key = ruleSets.GenerateRuleSetName();
}
using (RuleSetDialog dialog = new RuleSetDialog(activity, ruleSet))
{
if (DialogResult.OK == dialog.ShowDialog())
{
if (ruleSet != null)
{
ruleSets.Remove(key);
}
else
{
dialog.RuleSet.Name = key;
activity.RuleSetReference = new RuleSetReference(key);
}
ruleSets.Add(dialog.RuleSet);
ConditionHelper.Flush_Rules_DT(this, System.Workflow.Activities.Common.Helpers.GetRootActivity(activity));
}
}
}
TypeDescriptor.GetProperties(activity)["RuleSetReference"].SetValue(activity, activity.RuleSetReference);
}
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object valueToConvert)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
string ruleSetName = valueToConvert as string;
if ((ruleSetName == null) || (ruleSetName.TrimEnd().Length == 0))
{
ruleSetName = string.Empty;
}
ISite site = PropertyDescriptorUtils.GetSite(context, context.Instance);
if (site == null)
{
string message = string.Format(CultureInfo.CurrentCulture, Messages.MissingService, typeof(ISite).FullName);
throw new InvalidOperationException(message);
}
RuleSetCollection ruleSetCollection = null;
RuleDefinitions rules = ConditionHelper.Load_Rules_DT(site, Helpers.GetRootActivity(site.Component as Activity));
if (rules != null)
{
ruleSetCollection = rules.RuleSets;
}
if (ruleSetCollection != null && ruleSetName.Length != 0 && !ruleSetCollection.Contains(ruleSetName))
{
//in this case, RuleExpressionCondition is the only type allowed in the ruleConditionCollection
RuleSet newRuleSet = new RuleSet();
newRuleSet.Name = ruleSetName;
ruleSetCollection.Add(newRuleSet);
ConditionHelper.Flush_Rules_DT(site, Helpers.GetRootActivity(site.Component as Activity));
}
RuleSetReference ruleSetReference = new RuleSetReference();
ruleSetReference.RuleSetName = ruleSetName;
return(ruleSetReference);
}
public override void SetValue(object component, object value)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
RuleSetReference ruleSetReference = component as RuleSetReference;
if (ruleSetReference == null)
{
throw new ArgumentNullException("component");
}
RuleSet ruleSet = value as RuleSet;
if (!string.IsNullOrEmpty(ruleSetReference.RuleSetName))
{
ISite site = PropertyDescriptorUtils.GetSite(this.ServiceProvider, component);
if (site == null)
{
string message = string.Format(CultureInfo.CurrentCulture, Messages.MissingService, typeof(ISite).FullName);
throw new InvalidOperationException(message);
}
RuleSetCollection ruleSetCollection = null;
RuleDefinitions rules = ConditionHelper.Load_Rules_DT(site, Helpers.GetRootActivity(site.Component as Activity));
if (rules != null)
{
ruleSetCollection = rules.RuleSets;
}
if (ruleSetCollection != null && ruleSetCollection.Contains(ruleSetReference.RuleSetName))
{
ruleSetCollection.Remove(ruleSetReference.RuleSetName);
ruleSetCollection.Add(ruleSet);
ConditionHelper.Flush_Rules_DT(site, Helpers.GetRootActivity(site.Component as Activity));
}
}
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object valueToConvert)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
string key = valueToConvert as string;
if ((key == null) || (key.TrimEnd(new char[0]).Length == 0))
{
key = string.Empty;
}
ISite serviceProvider = PropertyDescriptorUtils.GetSite(context, context.Instance);
if (serviceProvider == null)
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.MissingService, new object[] { typeof(ISite).FullName }));
}
RuleSetCollection ruleSets = null;
RuleDefinitions definitions = ConditionHelper.Load_Rules_DT(serviceProvider, Helpers.GetRootActivity(serviceProvider.Component as Activity));
if (definitions != null)
{
ruleSets = definitions.RuleSets;
}
if (((ruleSets != null) && (key.Length != 0)) && !ruleSets.Contains(key))
{
RuleSet item = new RuleSet {
Name = key
};
ruleSets.Add(item);
ConditionHelper.Flush_Rules_DT(serviceProvider, Helpers.GetRootActivity(serviceProvider.Component as Activity));
}
return(new RuleSetReference {
RuleSetName = key
});
}
protected override void DoDefaultAction()
{
base.DoDefaultAction();
// Do not allow editing if in debug mode.
WorkflowDesignerLoader workflowDesignerLoader = this.GetService(typeof(WorkflowDesignerLoader)) as WorkflowDesignerLoader;
if (workflowDesignerLoader != null && workflowDesignerLoader.InDebugMode)
{
throw new InvalidOperationException(Messages.DebugModeEditsDisallowed);
}
// Do not allow editing if locked
PolicyActivity activity = (PolicyActivity)this.Activity;
if (Helpers.IsActivityLocked(activity))
{
return;
}
RuleDefinitions rules = ConditionHelper.Load_Rules_DT(this, Helpers.GetRootActivity(activity));
if (rules != null)
{
RuleSetCollection ruleSetCollection = rules.RuleSets;
RuleSetReference ruleSetReference = activity.RuleSetReference;
RuleSet ruleSet = null;
string ruleSetName = null;
if (ruleSetReference != null &&
!string.IsNullOrEmpty(ruleSetReference.RuleSetName))
{
ruleSetName = ruleSetReference.RuleSetName;
if (ruleSetCollection.Contains(ruleSetName))
{
ruleSet = ruleSetCollection[ruleSetName];
}
}
else
{
ruleSetName = ruleSetCollection.GenerateRuleSetName();
}
using (RuleSetDialog dlg = new RuleSetDialog(activity, ruleSet))
{
if (DialogResult.OK == dlg.ShowDialog())
{
if (ruleSet != null) // modifying
{
ruleSetCollection.Remove(ruleSetName);
}
else // creating
{
dlg.RuleSet.Name = ruleSetName;
activity.RuleSetReference = new RuleSetReference(ruleSetName);
}
ruleSetCollection.Add(dlg.RuleSet);
ConditionHelper.Flush_Rules_DT(this, Helpers.GetRootActivity(activity));
}
}
}
// force revalidation by setting a property
TypeDescriptor.GetProperties(activity)["RuleSetReference"].SetValue(activity, activity.RuleSetReference);
}