/// <summary>
///
/// </summary>
/// <param name="descriptors"></param>
/// <param name="name"></param>
public static int Add(this SortDescriptorCollection descriptors, string name)
{
int count = descriptors.Count;
descriptors.Add(name, ListSortDirection.Ascending);
return(count);
}
public void CollectionManagerCollatesSortDescriptorEvents()
{
SortDescriptorCollection collection = new SortDescriptorCollection();
SortDescriptionCollection descriptionCollection = new SortDescriptionCollection();
ExpressionCache cache = new ExpressionCache();
SortDescriptor descriptor = null;
this.CollectionManagerCollatesTemplate(
(validationAction) =>
{
return(new SortCollectionManager(collection, descriptionCollection, cache, sd => validationAction()));
},
() =>
{
collection.Add(new SortDescriptor());
},
() =>
{
collection[0].PropertyPath = "First";
},
() =>
{
collection.Add(new SortDescriptor());
},
() =>
{
collection[1].PropertyPath = "Second";
},
() =>
{
collection[1] = new SortDescriptor();
},
() =>
{
descriptor = collection[0];
collection.Remove(descriptor);
},
() =>
{
descriptor.PropertyPath = "Removed";
});
}
/// <summary>
/// Resets the <paramref name="sortDescriptors"/> collection to match the <paramref name="sortDescriptions"/> collection.
/// </summary>
/// <param name="sortDescriptions">The collection to match</param>
/// <param name="sortDescriptors">The collection to reset</param>
private static void ResetToSortDescriptions(SortDescriptionCollection sortDescriptions, SortDescriptorCollection sortDescriptors)
{
sortDescriptors.Clear();
foreach (SortDescription description in sortDescriptions)
{
sortDescriptors.Add(SortCollectionManager.GetDescriptorFromDescription(description));
}
}
public void CollectionManagerCollatesSortDescriptorEvents()
{
SortDescriptorCollection collection = new SortDescriptorCollection();
SortDescriptionCollection descriptionCollection = new SortDescriptionCollection();
ExpressionCache cache = new ExpressionCache();
SortDescriptor descriptor = null;
this.CollectionManagerCollatesTemplate(
(validationAction) =>
{
return new SortCollectionManager(collection, descriptionCollection, cache, sd => validationAction());
},
() =>
{
collection.Add(new SortDescriptor());
},
() =>
{
collection[0].PropertyPath = "First";
},
() =>
{
collection.Add(new SortDescriptor());
},
() =>
{
collection[1].PropertyPath = "Second";
},
() =>
{
collection[1] = new SortDescriptor();
},
() =>
{
descriptor = collection[0];
collection.Remove(descriptor);
},
() =>
{
descriptor.PropertyPath = "Removed";
});
}
public bool Sort(RadSortOrder sortOrder, bool multiSortMode)
{
if (!this.CanSort || this.ownerTemplate == null)
{
return(false);
}
SortDescriptor descriptor = new SortDescriptor(this.Name, GridViewHelper.GetSortDirection(sortOrder));
SortDescriptorCollection sortDescriptors = this.ownerTemplate.SortDescriptors;
bool flag = !multiSortMode && sortDescriptors.Count > 1;
if (flag)
{
if (sortOrder == RadSortOrder.None)
{
descriptor = (SortDescriptor)null;
}
if (this.RaiseSortingChanging(descriptor))
{
return(false);
}
sortDescriptors.BeginUpdate();
sortDescriptors.Clear();
}
int index = sortDescriptors.IndexOf(this.Name);
if (index >= 0)
{
if (sortOrder == RadSortOrder.None)
{
sortDescriptors.RemoveAt(index);
return(true);
}
if (sortOrder == GridViewHelper.GetSortDirection(sortDescriptors[index].Direction))
{
return(false);
}
sortDescriptors[index].Direction = GridViewHelper.GetSortDirection(sortOrder);
return(true);
}
if (sortOrder == RadSortOrder.None)
{
if (flag)
{
sortDescriptors.EndUpdate();
}
return(false);
}
if (!multiSortMode && sortDescriptors.Count == 1)
{
sortDescriptors[0] = descriptor;
}
else
{
sortDescriptors.Add(descriptor);
}
if (flag)
{
sortDescriptors.EndUpdate();
}
return(true);
}
