/// <summary>
/// Initializes a new instance of the <see cref="DataFilterFieldSelector"/> class.
/// </summary>
/// <param name="pathSelector">
/// The path selector.
/// </param>
/// <param name="availableMembers">
/// The available members.
/// </param>
/// <param name="selectedMember">
/// The selected member.
/// </param>
/// <param name="isExpanded">
/// The is expanded.
/// </param>
public DataFilterFieldSelector(
DataFilterFieldPathSelector pathSelector,
IEnumerable<FieldPathPropertyDefinition> availableMembers,
FieldPathPropertyDefinition selectedMember,
bool isExpanded = false)
{
if (pathSelector == null)
throw new ArgumentNullException("pathSelector");
if (availableMembers == null)
throw new ArgumentNullException("availableMembers");
_pathSelector = pathSelector;
_avalableMembers = availableMembers.ToArray();
_selectedMember = selectedMember;
_isExpanded = isExpanded;
}
/// <summary>
/// Initializes a new instance of the <see cref="FieldPathPropertyDefinition"/> class.
/// </summary>
/// <param name="parentProperty">
/// The parent property.
/// </param>
/// <param name="memberDefinition">
/// The member definition.
/// </param>
public FieldPathPropertyDefinition(FieldPathPropertyDefinition parentProperty, IFilterMemberDefinition memberDefinition)
{
if (parentProperty == null)
throw new ArgumentNullException("parentProperty");
if (memberDefinition == null)
throw new ArgumentNullException("memberDefinition");
_parentProperty = parentProperty;
_dataFilter = parentProperty.DataFilter;
_memberDefinition = memberDefinition;
var propertyPath = memberDefinition.MemberName;
var property = ParentProperty;
while (property != null)
{
propertyPath = property.SystemName + Constants.FilterDescriptorMemberSeparator + propertyPath;
property = property.ParentProperty;
}
PropertyName = propertyPath;
PropertyType = memberDefinition.MemberType;
DisplayName = memberDefinition.DisplayName;
}
private void AddMemberSelectors(FieldPathPropertyDefinition propertyDefinition, bool isLast)
{
if (propertyDefinition.ParentProperty != null)
{
AddMemberSelectors(propertyDefinition.ParentProperty, false);
}
var availableMembers =
AvailableMembers.Select(x => x.ItemPropertyDefinition)
.OfType<FieldPathPropertyDefinition>()
.Where(x => x.ParentProperty == propertyDefinition.ParentProperty);
var memberSelector = new DataFilterFieldSelector(this, availableMembers, propertyDefinition, !isLast);
MemberSelectors.Add(memberSelector);
}
/// <summary>
/// Loads subfields.
/// </summary>
/// <returns>
/// The <see cref="Task"/> that returns the subfield collection.
/// </returns>
public async Task<IEnumerable<FieldPathPropertyDefinition>> LoadSubfieldsAsync()
{
if (!_loaded)
{
var fields = await MemberDefinition.GetSubfieldsAsync();
var propertyDefinitions = new List<FieldPathPropertyDefinition>();
foreach (var field in fields)
{
var propertyDefinition = new FieldPathPropertyDefinition(this, field);
propertyDefinitions.Add(propertyDefinition);
}
Subfields.AddRange(propertyDefinitions.OrderBy(x => x.DisplayName));
DataFilter.ItemPropertyDefinitions.AddRange(Subfields);
_loaded = true;
}
return Subfields;
}
private void SetupTreeViewField(FieldPathPropertyDefinition propertyDefinition, EditorCreatedEventArgs e)
{
var linkField = propertyDefinition.LinkFieldSystemName;
if (linkField != Constants.IdColumnName)
{
linkField += Constants.IdColumnName;
}
var filter = new FilterDescriptor(linkField, FilterOperator.IsNotEqualTo, null, typeof(int));
LoadReferenceItems(propertyDefinition.DeclaringProcessSystemName, propertyDefinition.SystemName, filter.ToJSON(), e, propertyDefinition.ReferencedFieldSystemName);
}
private void SetupCrossReferenceField(FieldPathPropertyDefinition propertyDefinition, EditorCreatedEventArgs e)
{
var crProcessName = propertyDefinition.ReferencedProcessSystemName;
var displayField = propertyDefinition.ReferencedFieldSystemName;
FilterDescriptor filterDescriptor = null;
if (Constants.StateProcessName.Equals(crProcessName) && !string.IsNullOrEmpty(propertyDefinition.DeclaringProcessSystemName))
{
filterDescriptor = new FilterDescriptor(
Constants.ProcessFieldName,
FilterOperator.IsEqualTo,
propertyDefinition.DeclaringProcessSystemName,
typeof(string));
}
var filter = filterDescriptor == null ? string.Empty : filterDescriptor.ToJSON();
LoadReferenceItems(propertyDefinition.DeclaringProcessSystemName, propertyDefinition.SystemName, filter, e, displayField);
}
private async void LoadReverseCrossReferenceItems(FieldPathPropertyDefinition propertyDefinition, EditorCreatedEventArgs e)
{
if (string.IsNullOrEmpty(propertyDefinition.ReferencedProcessSystemName))
{
return;
}
try
{
var displayField = propertyDefinition.ReferencedFieldSystemName;
var filter = new FilterDescriptor(propertyDefinition.LinkFieldSystemName, FilterOperator.IsGreaterThan, 0, typeof(int));
var infoList =
await
DynamicTypeManager.GetInfoListAsync<IInfoClass>(
propertyDefinition.ReferencedProcessSystemName,
int.MaxValue,
0,
filter.ToJSON(),
null,
new SortList { new SortDescriptor(displayField, SortDirection.Ascending) });
var comboBox = e.Editor.FindChildByType<RadComboBox>();
if (comboBox == null)
{
return;
}
dataFilter.Tag = true;
try
{
comboBox.ItemsSource = infoList;
comboBox.SelectedValuePath = "Id";
Observable.FromEventPattern<SelectionChangedEventHandler, SelectionChangedEventArgs>(
handler => comboBox.SelectionChanged += handler,
handler => comboBox.SelectionChanged -= handler).SubscribeWeakly(this, OnComboBoxSelectionChanged);
if (infoList != null)
{
//comboBox.ItemTemplate = CreateTemplateForReferenceField((IInfoClass) infoList[0], displayField);
comboBox.DisplayMemberPath = string.Join(".", infoList.ElementType.GetFullPropertyPath(displayField));
}
var filterViewModel = (SimpleFilterViewModel)e.Editor.DataContext;
if (filterViewModel != null && filterViewModel.Descriptor != null)
{
var placeholder = filterViewModel.Descriptor.Value as IInfoClass;
if (placeholder != null)
{
comboBox.SelectedValue = placeholder.Id;
}
}
}
finally
{
dataFilter.Tag = null;
}
}
catch (DataPortalException ex)
{
PopupFactory.NotifyFailure(ex);
}
}
private async void LoadCrossReferenceItems(FieldPathPropertyDefinition propertyDefinition, EditorCreatedEventArgs e)
{
if (string.IsNullOrEmpty(propertyDefinition.ReferencedProcessSystemName))
{
return;
}
var busyIndicator = e.Editor.FindChildByType<RadBusyIndicator>();
if (busyIndicator != null)
{
busyIndicator.IsBusy = true;
}
try
{
string filterExpression = null;
if (propertyDefinition.SystemName == Constants.CurrentStateColumnName)
{
// If it's a CurrentState filter, show only declaring process states.
var filterDescriptor = new FilterDescriptor(
Constants.ProcessFieldName,
FilterOperator.IsEqualTo,
propertyDefinition.DeclaringProcessSystemName,
typeof(string));
filterExpression = filterDescriptor.ToJSON();
}
var displayFieldName = propertyDefinition.ReferencedFieldSystemName == "AqlDetail" ? Constants.AqlDisplayField : propertyDefinition.ReferencedFieldSystemName;
var infoList =
await
DynamicTypeManager.GetInfoListAsync<IInfoClass>(
propertyDefinition.ReferencedProcessSystemName,
int.MaxValue,
0,
filterExpression,
null,
new SortList { new SortDescriptor(displayFieldName, SortDirection.Ascending) });
var comboBox = e.Editor.FindChildByType<RadComboBox>();
if (comboBox == null)
{
return;
}
dataFilter.Tag = true;
try
{
comboBox.ItemsSource = infoList;
comboBox.SelectedValuePath = "Id";
Observable.FromEventPattern<SelectionChangedEventHandler, SelectionChangedEventArgs>(
handler => comboBox.SelectionChanged += handler,
handler => comboBox.SelectionChanged -= handler).SubscribeWeakly(this, OnComboBoxSelectionChanged);
if (infoList != null)
{
comboBox.DisplayMemberPath = string.Join(".", infoList.ElementType.GetFullPropertyPath(displayFieldName));
}
var filterViewModel = (SimpleFilterViewModel)e.Editor.DataContext;
if (filterViewModel != null && filterViewModel.Descriptor != null)
{
var placeholder = filterViewModel.Descriptor.Value as IInfoClass;
if (placeholder != null)
{
comboBox.SelectedValue = placeholder.Id;
}
}
}
finally
{
dataFilter.Tag = null;
}
}
catch (DataPortalException ex)
{
PopupFactory.NotifyFailure(ex);
}
finally
{
if (busyIndicator != null)
{
busyIndicator.IsBusy = false;
}
}
}
