public static void MapBrokenRules(ModelStateDictionary modelState, Csla.Core.BusinessBase businessObject)
{
foreach (var brokenRule in businessObject.BrokenRulesCollection)
{
modelState.AddModelError(brokenRule.Property, brokenRule.Description);
}
}
private static void CanExecuteRemove(object target, CanExecuteRoutedEventArgs e)
{
bool result = false;
CslaDataProviderCommandManager ctl = target as CslaDataProviderCommandManager;
if (ctl != null && ctl.Provider != null)
{
if (ctl.Provider.Data != null)
{
Csla.Core.BusinessBase bb = e.Parameter as Csla.Core.BusinessBase;
IBindingList list;
if (bb != null)
{
list = bb.Parent as IBindingList;
}
else
{
list = ctl.Provider.Data as IBindingList;
}
if (list != null)
{
result = list.AllowRemove;
if (result && !Csla.Rules.BusinessRules.HasPermission(Rules.AuthorizationActions.EditObject, ctl.Provider.Data))
{
result = false;
}
}
}
}
e.CanExecute = result;
}
/// <summary>
/// Removes an item from the list if the object
/// implements IBindingList and AllowRemove is true.
/// </summary>
/// <param name="sender">Object invoking this method.</param>
/// <param name="e">
/// ExecuteEventArgs, where MethodParameter contains
/// the item to be removed from the list.
/// </param>
public void RemoveItem(object sender, ExecuteEventArgs e)
{
var item = e.MethodParameter;
// only do something if the object implements
// IBindingList
IBindingList list;
Csla.Core.BusinessBase bb = item as Csla.Core.BusinessBase;
if (bb != null)
{
list = bb.Parent as IBindingList;
}
else
{
list = this.Data as IBindingList;
}
if (list != null && list.AllowRemove)
{
list.Remove(item);
}
}
private void ApplyAuthorizationRules(Control control)
{
foreach (Binding binding in control.DataBindings)
{
// get the BindingSource if appropriate
if (binding.DataSource is BindingSource)
{
BindingSource bs =
(BindingSource)binding.DataSource;
// get the object property name
string propertyName =
binding.BindingMemberInfo.BindingField;
// get the BusinessObject if appropriate
if (bs.DataSource is Csla.Core.BusinessBase)
{
Csla.Core.BusinessBase ds =
(Csla.Core.BusinessBase)bs.DataSource;
ApplyReadRules(
control, binding,
ds.CanReadProperty(propertyName));
ApplyWriteRules(
control, binding,
ds.CanWriteProperty(propertyName));
}
else if (bs.DataSource is Csla.Core.IReadOnlyObject)
{
Csla.Core.IReadOnlyObject ds =
(Csla.Core.IReadOnlyObject)bs.DataSource;
ApplyReadRules(
control, binding,
ds.CanReadProperty(propertyName));
}
}
}
}
public void Reg(Csla.Core.BusinessBase obj)
{
obj.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(obj_PropertyChanged);
}
private void GetWarnInfoList()
{
_infoList.Clear();
_warningList.Clear();
_errorList.Clear();
BindingSource bs = (BindingSource)DataSource;
if (bs == null)
{
return;
}
if (bs.Position == -1)
{
return;
}
// we can only deal with CSLA BusinessBase objects
if (bs.Current is Csla.Core.BusinessBase)
{
// get the BusinessBase object
Csla.Core.BusinessBase bb = bs.Current as Csla.Core.BusinessBase;
if (bb != null)
{
foreach (Csla.Validation.BrokenRule br in bb.BrokenRulesCollection)
{
switch (br.Severity)
{
case Csla.Validation.RuleSeverity.Error:
if (_errorList.ContainsKey(br.Property))
{
_errorList[br.Property] =
String.Concat(_errorList[br.Property], Environment.NewLine, br.Description);
}
else
{
_errorList.Add(br.Property, br.Description);
}
break;
case Csla.Validation.RuleSeverity.Warning:
if (_warningList.ContainsKey(br.Property))
{
_warningList[br.Property] =
String.Concat(_warningList[br.Property], Environment.NewLine, br.Description);
}
else
{
_warningList.Add(br.Property, br.Description);
}
break;
default: // consider it an Info
if (_infoList.ContainsKey(br.Property))
{
_infoList[br.Property] =
String.Concat(_infoList[br.Property], Environment.NewLine, br.Description);
}
else
{
_infoList.Add(br.Property, br.Description);
}
break;
}
}
}
}
}
public string GetBrokenRules(Csla.Core.BusinessBase obj)
{
return(String.Format("Object is not valid.\n\n{0}", obj.BrokenRulesCollection));
}
internal new IDisposable BypassPropertyChecks(Csla.Core.BusinessBase target)
{
return(base.BypassPropertyChecks(target));
}
/// <summary>
/// By wrapping this property inside Using block
/// you can set property values on
/// <paramref name="businessObject">business object</paramref>
/// without raising PropertyChanged events
/// and checking user rights.
/// </summary>
/// <param name="businessObject">
/// Object on with you would like to set property values
/// </param>
/// <returns>
/// An instance of IDisposable object that allows
/// bypassing of normal authorization checks during
/// property setting.
/// </returns>
protected IDisposable BypassPropertyChecks(Csla.Core.BusinessBase businessObject)
{
return(businessObject.BypassPropertyChecks);
}
private void ProcessControl(Control control)
{
foreach (Binding binding in control.DataBindings)
{
// get the Binding if appropriate
if (binding.DataSource == this.DataSource)
{
BindingSource bs =
(BindingSource)binding.DataSource;
// we can only deal with CSLA BusinessBase objects
if (bs.Current is Csla.Core.BusinessBase)
{
// get the BusinessBase object
Csla.Core.BusinessBase bb = bs.Current as Csla.Core.BusinessBase;
if (bb != null)
{
// get the object property name
string propertyName =
binding.BindingMemberInfo.BindingField;
//The errors are taking care of themselves in the base
//ErrorProvider - all we need to worry about are the
//Warnings and Information messages
StringBuilder warn = new StringBuilder();
StringBuilder info = new StringBuilder();
bool bError = false;
bool bWarn = false;
foreach (Csla.Validation.BrokenRule br in bb.BrokenRulesCollection)
{
if (br.Property == propertyName)
{
if (this._visibleWarning == true &&
br.Severity == Csla.Validation.RuleSeverity.Warning)
{
warn.AppendLine(br.Description);
bWarn = true;
}
else if (this._visibleInformation == true &&
br.Severity == Csla.Validation.RuleSeverity.Information)
{
info.AppendLine(br.Description);
}
else if (bError == false && br.Severity == Csla.Validation.RuleSeverity.Error)
{
bError = true;
}
}
}
int offsetInformation = this._offsetInformation;
int offsetWarning = this._offsetWarning;
// Set / fix offsets
if (bError == false && bWarn == false)
{
offsetInformation = 0;
}
else if (bError == true && bWarn == false)
{
offsetInformation = this._offsetInformation - this._offsetWarning;
}
else if (bError == false && bWarn == true)
{
offsetInformation = this._offsetInformation - this._offsetWarning;
offsetWarning = 0;
}
if (this._visibleWarning == true && warn.Length > 0)
{
this.errorProviderWarn.SetError(binding.Control,
warn.ToString().Substring(0,
warn.ToString().Length -
2));
this.errorProviderWarn.SetIconPadding(binding.Control,
base.GetIconPadding(binding.Control) +
offsetWarning);
this.errorProviderWarn.SetIconAlignment(binding.Control,
base.GetIconAlignment(binding.Control));
}
else
{
this.errorProviderWarn.SetError(binding.Control, string.Empty);
}
if (this._visibleInformation == true && info.Length > 0)
{
this.errorProviderInfo.SetError(binding.Control,
info.ToString().Substring(0,
info.ToString().Length -
2));
this.errorProviderInfo.SetIconPadding(binding.Control,
base.GetIconPadding(binding.Control) +
offsetInformation);
this.errorProviderInfo.SetIconAlignment(binding.Control,
base.GetIconAlignment(binding.Control));
}
else
{
this.errorProviderInfo.SetError(binding.Control, string.Empty);
}
}
}
}
}
}
