Csla.Xaml.ViewModel< T > Class Template Reference

Base class used to create ViewModel objects, with pre-existing verbs for use by InvokeMethod or Invoke. More...

Inheritance diagram for Csla.Xaml.ViewModel< T >:

Public Member Functions
virtual async Task	SaveAsync (object sender, ExecuteEventArgs e)
	Saves the Model, first committing changes if ManagedObjectLifetime is true.
virtual void	Cancel (object sender, ExecuteEventArgs e)
	Cancels changes made to the model if ManagedObjectLifetime is true.
virtual void	AddNew (object sender, ExecuteEventArgs e)
	Adds a new item to the Model (if it is a collection).
virtual void	Remove (object sender, ExecuteEventArgs e)
	Removes an item from the Model (if it is a collection).
virtual void	Delete (object sender, ExecuteEventArgs e)
	Marks the Model for deletion (if it is an editable root object).
Public Member Functions inherited from Csla.Xaml.ViewModelBase< T >
virtual async Task< T?>	RefreshAsync< F > (Func< Task< T?> > factory)
	Creates or retrieves a new instance of the Model by invoking an action.
virtual async Task< T?>	SaveAsync ()
	Saves the Model, first committing changes if ManagedObjectLifetime is true.

Additional Inherited Members
Static Public Attributes inherited from Csla.Xaml.ViewModelBase< T >
static readonly DependencyProperty	ModelProperty
	Gets or sets the Model object.
static readonly DependencyProperty	ManageObjectLifetimeProperty
	Gets or sets a value indicating whether the ViewModel should automatically managed the lifetime of the Model.
Protected Member Functions inherited from Csla.Xaml.ViewModelBase< T >
virtual async Task< T?>	DoSaveAsync (ISavable? cloned)
	Override to provide custom Model save behavior.
virtual void	DoCancel ()
	Cancels changes made to the model if ManagedObjectLifetime is true.
virtual object	DoAddNew ()
	Adds a new item to the Model (if it is a collection).
virtual void	DoRemove (object? item)
	Removes an item from the Model (if it is a collection).
virtual void	DoDelete ()
	Marks the Model for deletion (if it is an editable root object).
virtual void	OnModelChanged (T? oldValue, T? newValue)
	Invoked when the Model changes, allowing event handlers to be unhooked from the old object and hooked on the new object.
void	UnhookChangedEvents (T? model)
	Unhooks changed event handlers from the model.
virtual void	OnSetProperties ()
	Override this method to hook into to logic of setting properties when model is changed or edited.
virtual void	OnPropertyChanged (string propertyName)
	Raise the PropertyChanged event.
Properties inherited from Csla.Xaml.ViewModelBase< T >
T?	Model [get, set]
	Gets or sets the Model object.
bool	ManageObjectLifetime [get, set]
	Gets or sets a value indicating whether the ViewManageObjectLifetime should automatically managed the lifetime of the ManageObjectLifetime.
bool	IsBusy [get, protected set]
	Gets a value indicating whether this object is executing an asynchronous process.
virtual bool	IsDirty [get, protected set]
	Gets a value indicating whether the Model has been changed.
virtual bool	IsValid [get, protected set]
	Gets a value indicating whether the Model is currently valid (has no broken rules).
virtual bool	CanSave [get, protected set]
	Gets a value indicating whether the Model can currently be saved.
virtual bool	CanCancel [get, protected set]
	Gets a value indicating whether the Model can currently be canceled.
virtual bool	CanCreate [get, protected set]
	Gets a value indicating whether an instance of the Model can currently be created.
virtual bool	CanDelete [get, protected set]
	Gets a value indicating whether the Model can currently be deleted.
virtual bool	CanFetch [get, protected set]
	Gets a value indicating whether an instance of the Model can currently be retrieved.
virtual bool	CanRemove [get, protected set]
	Gets a value indicating whether the Model can currently be removed.
virtual bool	CanAddNew [get, protected set]
	Gets a value indicating whether the Model can currently be added.
virtual bool	CanCreateObject [get, protected set]
	Gets a value indicating whether the current user is authorized to create a Model.
virtual bool	CanGetObject [get, protected set]
	Gets a value indicating whether the current user is authorized to retrieve a Model.
virtual bool	CanEditObject [get, protected set]
	Gets a value indicating whether the current user is authorized to save (insert or update a Model.
virtual bool	CanDeleteObject [get, protected set]
	Gets a value indicating whether the current user is authorized to delete a Model.
Events inherited from Csla.Xaml.ViewModelBase< T >
PropertyChangedEventHandler?	ModelPropertyChanged
	Event raised when a property on the Model changes.
Action< object, ChildChangedEventArgs >?	ModelChildChanged
	Event raised when a child of the Model changes.
Action< object, NotifyCollectionChangedEventArgs >?	ModelCollectionChanged
	Event raised the Model changes and is a collection.
PropertyChangedEventHandler?	PropertyChanged
	Event raised when a property changes.

Detailed Description

Base class used to create ViewModel objects, with pre-existing verbs for use by InvokeMethod or Invoke.

Template Parameters

T	Type of the Model object.

Member Function Documentation

AddNew()

virtual void Csla.Xaml.ViewModel< T >.AddNew ( object sender, ExecuteEventArgs e )

inlinevirtual

Adds a new item to the Model (if it is a collection).

Cancel()

virtual void Csla.Xaml.ViewModel< T >.Cancel ( object sender, ExecuteEventArgs e )

inlinevirtual

Cancels changes made to the model if ManagedObjectLifetime is true.

Delete()

virtual void Csla.Xaml.ViewModel< T >.Delete ( object sender, ExecuteEventArgs e )

inlinevirtual

Marks the Model for deletion (if it is an editable root object).

Remove()

virtual void Csla.Xaml.ViewModel< T >.Remove ( object sender, ExecuteEventArgs e )

inlinevirtual

Removes an item from the Model (if it is a collection).

SaveAsync()

virtual async Task Csla.Xaml.ViewModel< T >.SaveAsync ( object sender, ExecuteEventArgs e )

inlinevirtual

Saves the Model, first committing changes if ManagedObjectLifetime is true.

Parameters

sender	The source of the event, typically the UI element that triggered the save operation.
e	The ExecuteEventArgs containing event data and parameters for the save operation.

Returns

A Task representing the asynchronous save operation.

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The documentation for this class was generated from the following file:

• csla/Source/Csla.Xaml.Shared/ViewModel.cs