private void AppendInitialiseAttributes(string fieldName, string recordType, List <Action <RecordEntryViewModelBase> > onChanges)
{
foreach (var property in ObjectRecordService.GetFields(recordType))
{
var propertyInfo = ObjectRecordService.GetPropertyInfo(property, recordType);
var initialiseForAttributes = propertyInfo
.GetCustomAttributes <InitialiseFor>()
.Where(a => a.PropertyDependency == fieldName);
if (initialiseForAttributes.Any())
{
onChanges.Add((re) =>
{
foreach (var initialiseForAttribute in initialiseForAttributes)
{
var dependencyViewModel = re.GetFieldViewModel(fieldName);
var dependantViewModel = re.GetFieldViewModel(propertyInfo.Name);
if (dependencyViewModel.ValueObject != null &&
dependencyViewModel.ValueObject.Equals(initialiseForAttribute.ForValue) &&
(initialiseForAttribute.AlwaysSetIfNotEmpty || dependantViewModel.ValueObject.IsEmpty()))
{
dependantViewModel.ValueObject = initialiseForAttribute.InitialValue;
}
}
});
}
}
}
private void AppendDisplayNameAttributes(string fieldName, string recordType, List <Action <RecordEntryViewModelBase> > onChanges)
{
foreach (var property in ObjectRecordService.GetFields(recordType))
{
var propertyInfo = ObjectRecordService.GetPropertyInfo(property, recordType);
var attributes = propertyInfo
.GetCustomAttributes <DisplayNameForPropertyValueAttribute>()
.Where(a => a.Property == fieldName);
if (attributes.Any())
{
onChanges.Add((re) =>
{
foreach (var attribute in attributes)
{
var dependencyViewModel = re.GetFieldViewModel(fieldName);
var dependantViewModel = re.GetFieldViewModel(propertyInfo.Name);
if (dependencyViewModel.ValueObject != null &&
dependencyViewModel.ValueObject.Equals(attribute.Value))
{
dependantViewModel.Label = attribute.Label;
}
}
});
}
}
}
private void AppendUniqueOnAttributes(string fieldName, string recordType, List <Action <RecordEntryViewModelBase> > onChanges)
{
var attributes = ObjectRecordService.GetPropertyInfo(fieldName, recordType).GetCustomAttribute <UniqueOn>();
if (attributes != null)
{
onChanges.Add(
re => re.StartNewAction(() =>
{
//just need to if this in a grid then set all others off
if (re is GridRowViewModel)
{
var gridRowViewModel = (GridRowViewModel)re;
var fieldViewModel = gridRowViewModel.GetFieldViewModel(fieldName) as BooleanFieldViewModel;
if (fieldViewModel != null && fieldViewModel.Value)
{
foreach (var row in gridRowViewModel.GridViewModel.GridRecords.ToArray())
{
if (row != gridRowViewModel)
{
((BooleanFieldViewModel)row.GetFieldViewModel(fieldName)).Value = false;
}
}
}
}
}));
}
}
private void AppendReadOnlyWhenSetAttributes(string fieldName, string recordType, List <Action <RecordEntryViewModelBase> > onChanges)
{
var attributes = ObjectRecordService.GetPropertyInfo(fieldName, recordType).GetCustomAttribute <ReadOnlyWhenSet>();
if (attributes != null)
{
onChanges.Add(
re => re.StartNewAction(() =>
{
//just need to if this in a grid then set all others off
var fieldViewModel = re.GetFieldViewModel(fieldName);
if (fieldViewModel != null)
{
fieldViewModel.IsEditable = fieldViewModel.ValueObject == null;
}
}));
}
}
private void AppendConnectionForChanges(string fieldName, string recordType, List <Action <RecordEntryViewModelBase> > onChanges, bool isOnLoad)
{
var lookupForAttributes = ObjectRecordService.GetPropertyInfo(fieldName, recordType)
.GetCustomAttributes(typeof(ConnectionFor), true).Cast <ConnectionFor>();
foreach (var attribute in lookupForAttributes)
{
onChanges.Add(
re =>
{
var changedViewModel = re.GetFieldViewModel(fieldName);
if (changedViewModel.ValueObject != null)
{
var matchingFields =
re.FieldViewModels.Where(f => f.FieldName == attribute.Property);
if (matchingFields.Any())
{
var fieldViewModel = matchingFields.First();
if (!isOnLoad && fieldViewModel is LookupFieldViewModel)
{
var typedViewModel = (LookupFieldViewModel)fieldViewModel;
typedViewModel.ConnectionForChanged();
}
if (fieldViewModel is RecordTypeFieldViewModel)
{
var typedViewModel = (RecordTypeFieldViewModel)fieldViewModel;
typedViewModel.ItemsSource = ObjectRecordService
.GetPicklistKeyValues(fieldViewModel.FieldName,
fieldViewModel.GetRecordType())
.Select(p => new RecordType(p.Key, p.Value))
.Where(rt => !rt.Value.IsNullOrWhiteSpace())
.OrderBy(rt => rt.Value)
.ToArray();
}
}
}
});
}
}
private void AppendCascadeOnChanges(string fieldName, string recordType, List <Action <RecordEntryViewModelBase> > onChanges)
{
var lookupForAttributes = ObjectRecordService.GetPropertyInfo(fieldName, recordType)
.GetCustomAttributes(typeof(CascadeOnChange), true).Cast <CascadeOnChange>();
foreach (var attribute in lookupForAttributes)
{
onChanges.Add(
re =>
{
var changedViewModel = re.GetFieldViewModel(fieldName);
if (changedViewModel.ValueObject != null)
{
var matchingFields = re.FieldViewModels.Where(f => f.FieldName == attribute.TargetProperty);
if (matchingFields.Any())
{
matchingFields.First().ValueObject = changedViewModel.ValueObject;
}
}
});
}
}
private void AppendLookupFieldCascadeChanges(string fieldName, string recordType, List <Action <RecordEntryViewModelBase> > onChanges)
{
var lookupForAttributes = ObjectRecordService.GetPropertyInfo(fieldName, recordType)
.GetCustomAttributes(typeof(LookupFieldCascade), true).Cast <LookupFieldCascade>();
foreach (var attribute in lookupForAttributes)
{
onChanges.Add(
re =>
{
var changedViewModel = re.GetFieldViewModel(fieldName);
if (changedViewModel.ValueObject != null)
{
var changedViewModelLookup = ((LookupFieldViewModel)changedViewModel).Value;
var matchingFields = re.FieldViewModels.Where(f => f.FieldName == attribute.TargetProperty);
var lookupService = ObjectRecordService.GetLookupService(changedViewModel.FieldName, re.GetRecordType(), re.ParentFormReference, re.GetRecord());
if (lookupService != null)
{
var lookupRecord = lookupService.Get(changedViewModelLookup.RecordType, changedViewModelLookup.Id);
if (lookupRecord == null)
{
changedViewModel.ValueObject = null;
re.ApplicationController.UserMessage(string.Format("The {0} Was Not Found And The Value Has Been Cleared", changedViewModel.Label));
}
else
{
var sourceFieldValue = lookupRecord.GetField(attribute.SourceRecordField);
if (matchingFields.Any())
{
matchingFields.First().ValueObject = sourceFieldValue;
}
}
}
}
});
}
}
internal override IEnumerable <CustomGridFunction> GetCustomFunctionsFor(string referenceName, RecordEntryFormViewModel recordForm)
{
var functions = new Dictionary <string, Action>();
var recordType = recordForm.GetEnumerableFieldViewModel(referenceName).RecordType;
if (recordType == null)
{
return(new CustomGridFunction[0]);
}
var enumeratedType = ObjectRecordService.GetClassType(recordType);
var customFunctions = enumeratedType.GetCustomAttributes <CustomFunction>();
if (customFunctions != null)
{
foreach (var item in customFunctions)
{
functions.Add(item.GetFunctionLabel(), item.GetCustomFunction(recordForm, referenceName));
}
}
var allowDownloadAttribute = ObjectRecordService.GetPropertyInfo(referenceName, recordForm.RecordType).GetCustomAttribute <AllowDownload>();
if (allowDownloadAttribute != null)
{
functions.Add("Download CSV", () => { recordForm.GetEnumerableFieldViewModel(referenceName).DynamicGridViewModel.DownloadCsv(); });
}
var customGridFunctions = functions.Select(kv => new CustomGridFunction(kv.Key, kv.Key, kv.Value)).ToList();
var typesToResolve = GetTypesToResolve(enumeratedType);
foreach (var typeToResolve in typesToResolve)
{
var injectedFunctions = recordForm.ApplicationController.ResolveInstance(typeof(CustomGridFunctions), typeToResolve.AssemblyQualifiedName) as CustomGridFunctions;
customGridFunctions.AddRange(injectedFunctions.CustomFunctions);
}
return(customGridFunctions);
}
private PropertyInfo GetPropertyInfo(string field, string type)
{
var propertyInfo = ObjectRecordService.GetPropertyInfo(field, type);
return(propertyInfo);
}
private void AppendFieldForChanges(string fieldName, string recordType, List <Action <RecordEntryViewModelBase> > onChanges, bool clearValue = false)
{
var lookupForAttributes = ObjectRecordService.GetPropertyInfo(fieldName, recordType)
.GetCustomAttributes(typeof(RecordFieldFor), true).Cast <RecordFieldFor>();
foreach (var attribute in lookupForAttributes)
{
onChanges.Add(
re => re.StartNewAction(() =>
{
var recordFieldViewModel = re.GetRecordFieldFieldViewModel(fieldName);
if (recordFieldViewModel.Value != null)
{
var matchingFields = re.FieldViewModels.Where(f => f.FieldName == attribute.PropertyPaths.First());
foreach (var fieldViewModel in matchingFields.ToArray())
{
var selectedFieldName = recordFieldViewModel.Value.Key;
var selectedFieldRecordType = GetRecordTypeFor(recordFieldViewModel.FieldName, re);
var lookupService = re.RecordService.GetLookupService(recordFieldViewModel.FieldName, recordFieldViewModel.GetRecordType(), null, recordFieldViewModel.RecordEntryViewModel.GetRecord());
if (lookupService != null)
{
//get the source field type
var fieldType = lookupService.GetFieldType(selectedFieldName, selectedFieldRecordType);
//get the section the target field is in and its field metadata
var metadata = re.FormService.GetFormMetadata(re.GetRecordType(), ObjectRecordService);
FormFieldMetadata fieldMetadata = null;
string sectionName = null;
foreach (var sectionMetadata in metadata.FormSections.Cast <FormFieldSection>())
{
foreach (var field in sectionMetadata.FormFields)
{
if (field.FieldName == fieldViewModel.FieldName)
{
sectionName = sectionMetadata.SectionLabel;
fieldMetadata = field;
}
}
}
if (!string.IsNullOrWhiteSpace(sectionName))
{
var targetPropInfo = ObjectRecordService.GetPropertyType(attribute.PropertyPaths.First(), recordType);
if (targetPropInfo.IsEnum)
{
//if target is an enum then filter the items source for the field type
var picklistFieldViewModel = fieldViewModel as PicklistFieldViewModel;
var picklistOptions = ObjectRecordService.GetPicklistKeyValues(picklistFieldViewModel.FieldName, picklistFieldViewModel.GetRecordType(), fieldType.ToString(), picklistFieldViewModel.RecordEntryViewModel.GetRecord());
if (clearValue)
{
picklistFieldViewModel.Value = null;
}
picklistFieldViewModel.ItemsSource = picklistOptions;
}
else
{
//otherwise is a field input dynamic for the field's tpye
//now we need to create the view model for the target field as the correct type
//okay now we need to replace the old field view model for this field
var explicitTargetType = fieldType == RecordFieldType.Lookup || fieldType == RecordFieldType.Customer || fieldType == RecordFieldType.Owner
? lookupService.GetLookupTargetType(selectedFieldName, selectedFieldRecordType)
: null;
var explicitPicklistOptions = fieldType == RecordFieldType.Picklist ||
fieldType == RecordFieldType.Status ||
fieldType == RecordFieldType.State ||
fieldType == RecordFieldType.Integer
? lookupService.GetPicklistKeyValues(selectedFieldName, selectedFieldRecordType)
: null;
if (clearValue)
{
fieldViewModel.ValueObject = null;
}
var newFieldViewModel = fieldMetadata.CreateFieldViewModel(re.GetRecordType(), re.RecordService, re, re.ApplicationController, explicitFieldType: fieldType, explicitLookupTargetType: explicitTargetType, explicitPicklistOptions: explicitPicklistOptions);
var section = re.FieldSections.First(s => s.SectionLabel == sectionName);
var index = section.Fields.Count;
for (var i = 0; i < section.Fields.Count; i++)
{
if (section.Fields[i].FieldName == fieldViewModel.FieldName)
{
index = i;
break;
}
}
re.DoOnMainThread(() =>
{
if (section.Fields.Count > index)
{
section.Fields.RemoveAt(index);
}
if (clearValue)
{
fieldViewModel.ValueObject = null;
}
section.Fields.Insert(index, newFieldViewModel);
re.RefreshVisibility();
});
}
}
}
}
}
}));
}
}
public override FormMetadata GetFormMetadata(string recordType, IRecordService recordService = null)
{
if (_formMetadata == null)
{
var formSections = new List <FormFieldSection>();
var type = ObjectToEnter.GetType();
var propertyMetadata = ObjectRecordService.GetFieldMetadata(type.AssemblyQualifiedName);
var standardFieldSectionName = type.GetDisplayName();
var fieldSections = type.GetCustomAttributes <Group>();
var otherSections = new Dictionary <string, List <FormFieldMetadata> >();
foreach (var section in fieldSections)
{
var functions = new List <CustomFormFunction>();
if (section.SelectAll)
{
functions.Add(new CustomFormFunction("SELECTALL", "SELECT ALL", (re) =>
{
var entryForm = re as RecordEntryFormViewModel;
if (entryForm != null)
{
var thisSection = entryForm.GetFieldSection(section.Name);
var booleanFields = thisSection.Fields.Where(f => f is BooleanFieldViewModel).Cast <BooleanFieldViewModel>();
var turnOff = booleanFields.All(b => b.Value);
foreach (var field in booleanFields)
{
field.Value = !turnOff;
}
}
}));
}
otherSections[section.Name] = new List <FormFieldMetadata>();
var newSection = new FormFieldSection(section.Name, otherSections[section.Name], section.DisplayLayout, section.Order, customFunctions: functions);
formSections.Add(newSection);
}
foreach (var property in propertyMetadata.Where(m => m.Readable || m.Writeable))
{
var propinfo = ObjectRecordService.GetPropertyInfo(property.SchemaName, type.AssemblyQualifiedName);
var groupAttribute = propinfo.GetCustomAttribute <Group>();
string enumerableType = null;
if (property is EnumerableFieldMetadata)
{
enumerableType = ((EnumerableFieldMetadata)property).EnumeratedTypeQualifiedName;
}
var displayLabel = property.FieldType != RecordFieldType.Enumerable ||
groupAttribute != null;
var fieldMetadata = new PersistentFormField(property.SchemaName, enumerableType, displayLabel);
fieldMetadata.Order = property.Order;
string sectionName = null;
if (groupAttribute != null)
{
sectionName = groupAttribute.Name;
}
else if (property.FieldType == RecordFieldType.Enumerable)
{
sectionName = property.DisplayName;
}
else
{
sectionName = standardFieldSectionName;
}
var order = 0;
if (groupAttribute != null)
{
order = groupAttribute.Order;
}
else if (property.FieldType == RecordFieldType.Enumerable)
{
order = 200000;
}
else
{
order = 1;
}
var displayLayout = groupAttribute != null
? groupAttribute.DisplayLayout
: Group.DisplayLayoutEnum.VerticalList;
if (!otherSections.ContainsKey(sectionName))
{
otherSections[sectionName] = new List <FormFieldMetadata>();
var newSection = new FormFieldSection(sectionName, otherSections[sectionName], displayLayout, order);
formSections.Add(newSection);
}
otherSections[sectionName].Add(fieldMetadata);
}
foreach (var section in formSections)
{
var fields = section.FormFields;
if (section.DisplayLayout == Group.DisplayLayoutEnum.HorizontalInputOnly)
{
foreach (var field in fields)
{
field.DisplayLabel = false;
}
}
if (fields.Count() == 1)
{
var field = fields.First();
var fieldMt = ObjectRecordService.GetFieldMetadata(field.FieldName, type.AssemblyQualifiedName);
if (fieldMt is EnumerableFieldMetadata ||
fieldMt is MemoFieldMetadata ||
(fieldMt is StringFieldMetadata && fieldMt.IsMultiline()))
{
field.DisplayLabel = false;
}
}
}
formSections = formSections.OrderBy(s => s.Order).ToList();
_formMetadata = new FormMetadata(formSections);
}
return(_formMetadata);
}
private void AppendRecordTypeForChanges(string fieldName, string recordType, List <Action <RecordEntryViewModelBase> > onChanges)
{
var lookupForAttributes = ObjectRecordService.GetPropertyInfo(fieldName, recordType)
.GetCustomAttributes(typeof(RecordTypeFor), true).Cast <RecordTypeFor>();
foreach (var attribute in lookupForAttributes)
{
onChanges.Add(
re => re.StartNewAction(() =>
{
var recordTypeViewModel = re.GetRecordTypeFieldViewModel(fieldName);
var matchingFields = re.FieldViewModels.Where(f => f.FieldName == attribute.PropertyPaths.First());
if (matchingFields.Any())
{
var fieldViewModel = matchingFields.First();
if (fieldViewModel is LookupFieldViewModel)
{
var typedViewModel = (LookupFieldViewModel)fieldViewModel;
var selectedRecordType = recordTypeViewModel.Value == null
? null
: recordTypeViewModel.Value.Key;
typedViewModel.RecordTypeToLookup = selectedRecordType;
typedViewModel.Value = null;
}
else if (fieldViewModel is RecordFieldFieldViewModel)
{
var typedViewModel = (RecordFieldFieldViewModel)fieldViewModel;
var selectedRecordType = recordTypeViewModel.Value == null
? null
: recordTypeViewModel.Value.Key;
typedViewModel.RecordTypeForField = selectedRecordType;
}
else if (fieldViewModel is RecordFieldMultiSelectFieldViewModel)
{
var typedViewModel = (RecordFieldMultiSelectFieldViewModel)fieldViewModel;
var selectedRecordType = recordTypeViewModel.Value == null
? null
: recordTypeViewModel.Value.Key;
typedViewModel.RecordTypeForField = selectedRecordType;
}
}
else
{
if (re is ObjectEntryViewModel)
{
if (attribute.PropertyPaths.Count() < 2)
{
throw new NullReferenceException(string.Format("The {0} Attribute References an Enumerable Property But Does Not Specify The Property On The Enumerated Type. The Value Is {1} And Should Be Of Form Property1.Property2", typeof(RecordTypeFor).Name, attribute.LookupProperty));
}
var oevm = (ObjectEntryViewModel)re;
var matchingGrids = oevm.SubGrids.Where(sg => sg.ReferenceName == attribute.PropertyPaths.First());
if (matchingGrids.Any())
{
//clear the rows as they are no longer relevant for the change in type
matchingGrids.First().ClearRows();
}
}
}
}));
}
}
