/// <summary>
/// Used to dispose of resources in use by the <see cref="AdminViewModel{TViewModel, TModel, TModelSearcher}"/>
/// </summary>
/// <param name="disposing"></param>
protected override void Dispose(bool disposing)
{
if (!_disposedValue)
{
if (disposing)
{
ApplicationRestrictor.RequestUnlock(_adminToken);
FamilialLocker.RequestUnlock(_adminToken);
CriticalOperationType = CriticalOperationType.None;
if (ModelSearcher != null)
{
ModelSearcher.SelectedItems.CollectionChanged -= SelectedItems_CollectionChanged;
ModelSearcher.ExportId -= ModelSearcher_ExportId;
ModelSearcher.Cleared -= ModelSearcher_Cleared;
ModelSearcher.RequestEnable(_adminToken);
}
Model.ErrorsChanged -= Model_ErrorsChanged;
Model.Dispose();
_newEnableCallback = null;
_duplicateEnableCallback = null;
_modifyEnableCallback = null;
_backEnableCallback = null;
_forwardEnableCallback = null;
_performDeleteOnRecordEnableCallback = null;
_backForwardNavigator.CurrentItemChangedCallback = null;
_backForwardNavigator?.Dispose();
Navigation.Dispose();
RecordChangeLocker.Dispose();
ConfirmCancelLocker.Dispose();
NewRecordCancelLocker.Dispose();
NavigationalOverride.Dispose();
OutsideModificationLocker.Dispose();
DefaultModelCallback = null;
Locators.ForEach(locator => {
locator.SearchToBegin -= Locator_SearchToBegin;
locator.SearchComplete -= Locator_SearchComplete;
locator.RecordRequested -= Locator_RecordRequested;
locator.RequestEnable(_adminToken);
});
Locators.Clear();
}
_disposedValue = true;
}
base.Dispose(disposing);
}
/// <summary> /// The default enable for the Confirm Command. /// </summary> /// <returns>True enables button. False is a disable.</returns> protected virtual bool ConfirmEnable() => HasErrors == false && Modifying && ConfirmCancelLocker.IsFree() && NavigationalOverride.IsFree();
/// <summary> /// The default enable for the Cancel Command. /// </summary> /// <returns>True enables button. False is a disable.</returns> protected virtual bool CancelEnable() => Modifying && ConfirmCancelLocker.IsFree() && (NewRecordCancelLocker.IsFree() || CriticalOperationType != CriticalOperationType.AddingNewRecord) && NavigationalOverride.IsFree();
/// <summary> /// The default enable for the ReloadCurrent Command. /// </summary> /// <returns>True enables button. False is a disable.</returns> protected virtual bool ReloadCurrentEnable() => this.ModelValidEnable() && this.StateNotCriticalEnable() && NavigationalOverride.IsFree();
/// <summary> /// The default enable for the Forward Command. /// </summary> /// <returns>True enables button. False is a disable.</returns> protected virtual bool ForwardEnable() => _backForwardNavigator.CanNavigateForward() && this.StateNotCriticalEnable() && RecordChangeLocker.IsFree() && NavigationalOverride.IsFree();
/// <summary> /// The default enable for the Modify Command. /// </summary> /// <returns>True enables button. False is a disable.</returns> protected virtual bool ModifyEnable() => this.ModelValidEnable() && this.StateNotCriticalEnable() && this.StateNotRestrictedEnable() && NavigationalOverride.IsFree();
/// <summary> /// The default enable for the Duplicate command; /// </summary> /// <returns>True enables button. False is a disable.</returns> protected virtual bool DuplicateEnable() => this.ModelValidEnable() && this.StateNotCriticalEnable() && this.StateNotRestrictedEnable() && RecordChangeLocker.IsFree() && NavigationalOverride.IsFree();
