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public class Contrainte : INotifyPropertyChanged, INotifyDataErrorInfo
{
public SortableObservableCollection<ElementGraphique> _Liste;
public SortableObservableCollection<ElementGraphique> Liste
{
get { return _Liste; }
set {
_Liste = value;
_Liste.CollectionChanged += new System.Collections.Specialized.NotifyCollectionChangedEventHandler(Liste_CollectionChanged);
}
}
public Int64 Id { get; set; }
private String _Nom;
//todo public wcf_workflow.
public String Nom
{
get { return _Nom; }
set
{
if (IsDescriptionValid(value) && _Nom != value)
{
_Nom = value;
onPropertyChanged(this, "Nom");
}
}
}
private String _Description;
public String Description { get { return _Description; } set { _Description = value; onPropertyChanged(this, "Description"); } }
public String SQL { get; set; }
public List<wcf_workflow.clsDouble> ListeNomContrainte { get; set; }
private Dictionary<String, List<String>> errors = new Dictionary<string, List<string>>();
private const string DESC_ERROR = "Le nom n'est pas valide";
public event PropertyChangedEventHandler PropertyChanged;
private void onPropertyChanged(object sender, string propertyName)
{
if (this.PropertyChanged != null)
{
PropertyChanged(sender, new PropertyChangedEventArgs(propertyName));
}
}
public event System.Collections.Specialized.NotifyCollectionChangedEventHandler ListeChange;
public Contrainte()
{
Liste = new SortableObservableCollection<ElementGraphique>();
}
void Liste_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
if (e.NewItems != null)
foreach (var item in e.NewItems)
((ElementGraphique)item).PropertyChanged += new PropertyChangedEventHandler(Contrainte_PropertyChanged);
if (ListeChange != null)
ListeChange(sender, e);
}
void Contrainte_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (PropertyChanged != null)
PropertyChanged(sender, e);
}
internal static Contrainte FromWCF(wcf_workflow.Contrainte contrainte)
{
var res=new Contrainte();
res.Id = contrainte.Id;
res.Nom = contrainte.Nom;
res.SQL = contrainte.SQL;
res.Description = contrainte.Description;
res.Liste = new SortableObservableCollection<ElementGraphique>();
foreach (var item in contrainte.Liste)
{
res.Liste.Add(ElementGraphique.FromWCF(item));
}
foreach (var item in contrainte.Liste)
{
foreach (var prec in item.Precedents)
{
res.Liste[contrainte.Liste.IndexOf(item)].Precedents.Add(res.Liste.FirstOrDefault(elem => elem.Id == prec.Id));
}
}
return res;
}
internal static wcf_workflow.Contrainte ToWCF(Contrainte contrainte)
{
var res=new wcf_workflow.Contrainte();
res.Id = contrainte.Id;
res.Nom = contrainte.Nom;
res.SQL = contrainte.SQL;
res.Description = contrainte.Description;
res.Liste = new List<wcf_workflow.ElementGraphique>();
foreach (var item in contrainte.Liste)
{
res.Liste.Add(ElementGraphique.ToWCF(item));
}
foreach (var item in contrainte.Liste)
{
res.Liste[contrainte.Liste.IndexOf(item)].Precedents = new List<wcf_workflow.ElementGraphique>();
foreach (var prec in item.Precedents)
{
res.Liste[contrainte.Liste.IndexOf(item)].Precedents.Add(res.Liste[contrainte.Liste.IndexOf(prec)]);
}
}
return res;
}
public bool HasErrors
{
get { return errors.Count > 0; }
}
public event EventHandler<DataErrorsChangedEventArgs> ErrorsChanged;
public System.Collections.IEnumerable GetErrors(string propertyName)
{
return errors[propertyName];
}
public void AddError(string propertyName, string error, bool isWarning)
{
if (!errors.ContainsKey(propertyName))
errors[propertyName] = new List<string>();
if (!errors[propertyName].Contains(error))
{
if (isWarning)
errors[propertyName].Add(error);
else
errors[propertyName].Insert(0, error);
RaiseErrorsChanged(propertyName);
}
}
public void RemoveError(string propertyName, string error)
{
if (errors.ContainsKey(propertyName) && errors[propertyName].Contains(error))
{
errors[propertyName].Remove(error);
if (errors[propertyName].Count == 0)
errors.Remove(propertyName);
RaiseErrorsChanged(propertyName);
}
}
public void RaiseErrorsChanged(string propertyName)
{
if (ErrorsChanged != null)
ErrorsChanged(this, new DataErrorsChangedEventArgs(propertyName));
}
public bool IsDescriptionValid(string value)
{
bool isValid = true;
if (string.IsNullOrWhiteSpace(value))
{
AddError("Nom", DESC_ERROR, false);
isValid = false;
}
else RemoveError("Nom", DESC_ERROR);
if (ListeNomContrainte.Any(elem => elem.Texte.ToUpper().Equals(value.ToUpper())))
{
AddError("Nom", DESC_ERROR, false);
isValid = false;
}
else RemoveError("Nom", DESC_ERROR);
return isValid;
}
} |
INotifyDataErrorInfo, ErrorsChanged est toujours null
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