static void OnKeyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
CorrelationDataWrapper wrapper = sender as CorrelationDataWrapper;
if ((wrapper != null) && (!wrapper.isValidating))
{
wrapper.isValidating = true;
CorrelationDataWrapper.Editor.ValidateKey(wrapper, (string)e.OldValue);
wrapper.isValidating = false;
}
}
//user clicked Add new data
void OnAddNewDataExecuted(object sender, ExecutedRoutedEventArgs e)
{
//generate unique dictionary key
string keyName = this.CorrelationInitializeData.GetUniqueName <CorrelationDataWrapper>(KeyPrefix, item => item.Key);
//create new key value pair and add it to the dictionary
CorrelationDataWrapper wrapper = new CorrelationDataWrapper(keyName, null);
this.CorrelationInitializeData.Add(wrapper);
//begin row edit after adding new entry
this.correlationDataDGHelper.BeginRowEdit(wrapper, this.correlationInitializers.Columns[1]);
}
internal void ValidateKey(CorrelationDataWrapper wrapper, string oldKey)
{
string newKey = wrapper.Key;
if (string.IsNullOrEmpty(newKey))
{
ErrorReporting.ShowErrorMessage(string.Format(CultureInfo.CurrentCulture, System.Activities.Core.Presentation.SR.NullOrEmptyKeyName));
wrapper.Key = oldKey;
}
else
{
// At this point, the key of the entry has already been changed. If there are
// entries with duplicate keys, the number of those entries is greater than 1.
// Thus, we only need to check the entry count.
int entryCount = this.CorrelationInitializeData.Count(entry => entry.Key == newKey);
if (entryCount > 1)
{
ErrorReporting.ShowErrorMessage(string.Format(CultureInfo.CurrentCulture, System.Activities.Core.Presentation.SR.DuplicateKeyName, newKey));
wrapper.Key = oldKey;
}
}
}
//user clicked Add new data
void OnAddNewDataExecuted(object sender, ExecutedRoutedEventArgs e)
{
//generate unique dictionary key
string keyName = this.CorrelationInitializeData.GetUniqueName<CorrelationDataWrapper>(KeyPrefix, item => item.Key);
//create new key value pair and add it to the dictionary
CorrelationDataWrapper wrapper = new CorrelationDataWrapper(keyName, null);
this.CorrelationInitializeData.Add(wrapper);
//begin row edit after adding new entry
this.correlationDataDGHelper.BeginRowEdit(wrapper, this.correlationInitializers.Columns[1]);
}
internal void ValidateKey(CorrelationDataWrapper wrapper, string oldKey)
{
string newKey = wrapper.Key;
if (string.IsNullOrEmpty(newKey))
{
ErrorReporting.ShowErrorMessage(string.Format(CultureInfo.CurrentCulture, System.Activities.Core.Presentation.SR.NullOrEmptyKeyName));
wrapper.Key = oldKey;
}
else
{
// At this point, the key of the entry has already been changed. If there are
// entries with duplicate keys, the number of those entries is greater than 1.
// Thus, we only need to check the entry count.
int entryCount = this.CorrelationInitializeData.Count(entry => entry.Key == newKey);
if (entryCount > 1)
{
ErrorReporting.ShowErrorMessage(string.Format(CultureInfo.CurrentCulture, System.Activities.Core.Presentation.SR.DuplicateKeyName, newKey));
wrapper.Key = oldKey;
}
}
}