/// <summary>
/// Removes an item from an editable list
/// business object.
/// </summary>
/// <param name="sender">Object invoking this method.</param>
/// <param name="e">
/// ExecuteEventArgs, where MethodParameter contains
/// the item to be removed from the list.
/// </param>
public void RemoveItem(object sender, ExecuteEventArgs e)
{
try
{
var item = e.MethodParameter;
SetError(null);
var obj = ObjectInstance as System.Collections.IList;
if (obj != null)
{
IsBusy = true;
obj.Remove(item);
var trackable = ObjectInstance as ITrackStatus;
if (trackable != null)
{
IsBusy = trackable.IsBusy;
}
else
{
IsBusy = false;
}
}
RefreshCanOperationsValues();
}
catch (Exception ex)
{
this.Error = ex;
}
}
/// <summary>
/// Adds a new item to the Model (if it
/// is a collection).
/// </summary>
public virtual void AddNew(object sender, ExecuteEventArgs e)
{
#if SILVERLIGHT
BeginAddNew();
#else
DoAddNew();
#endif
}
public void ProcessItemsTrigger(object sender, Csla.Xaml.ExecuteEventArgs e)
{
// copy selected items into known list type
var selection = new List <Data>();
foreach (Data item in (System.Collections.IEnumerable)e.MethodParameter)
{
selection.Add(item);
}
// display detail form
var form = new DetailPage();
var vm = form.Resources["ViewModel"] as DetailModel;
if (vm != null)
{
vm.SelectedItems = selection;
}
MainPageModel.ShowForm(form);
}
public void ProcessItemsExecute(object sender, Csla.Xaml.ExecuteEventArgs e)
{
// copy selected items into known list type
var listBox = ((System.Windows.Controls.Control)e.TriggerSource).Tag as System.Windows.Controls.ListBox;
var selection = new List <Data>();
foreach (var item in listBox.SelectedItems)
{
selection.Add((Data)item);
}
// process selection
var form = new DetailPage();
var vm = form.Resources["ViewModel"] as DetailModel;
if (vm != null)
{
vm.SelectedItems = selection;
}
MainPageModel.ShowForm(form);
}
/// <summary>
/// Removes an item from the list if the object
/// implements IBindingList and AllowRemove is true.
/// </summary>
/// <param name="sender">Object invoking this method.</param>
/// <param name="e">
/// ExecuteEventArgs, where MethodParameter contains
/// the item to be removed from the list.
/// </param>
public void RemoveItem(object sender, ExecuteEventArgs e)
{
var item = e.MethodParameter;
// only do something if the object implements
// IBindingList
IBindingList list;
Csla.Core.BusinessBase bb = item as Csla.Core.BusinessBase;
if (bb != null)
{
list = bb.Parent as IBindingList;
}
else
{
list = this.Data as IBindingList;
}
if (list != null && list.AllowRemove)
{
list.Remove(item);
}
}
public void ShowItem(object sender, Csla.Xaml.ExecuteEventArgs e)
{
SelectedData = (Data)e.MethodParameter;
}
/// <summary>
/// Removes an item from an editable list
/// business object.
/// </summary>
/// <param name="sender">Object invoking this method.</param>
/// <param name="e">
/// ExecuteEventArgs, where MethodParameter contains
/// the item to be removed from the list.
/// </param>
public void RemoveItem(object sender, ExecuteEventArgs e)
{
try
{
var item = e.MethodParameter;
SetError(null);
var obj = ObjectInstance as System.Collections.IList;
if (obj != null)
{
IsBusy = true;
obj.Remove(item);
var trackable = ObjectInstance as ITrackStatus;
if (trackable != null)
IsBusy = trackable.IsBusy;
else
IsBusy = false;
}
RefreshCanOperationsValues();
}
catch (Exception ex)
{
this.Error = ex;
}
}
/// <summary>
/// Marks the Model for deletion (if it is an
/// editable root object).
/// </summary>
public virtual void Delete(object sender, ExecuteEventArgs e)
{
DoDelete();
}
/// <summary>
/// Removes an item from the Model (if it
/// is a collection).
/// </summary>
public virtual void Remove(object sender, ExecuteEventArgs e)
{
DoRemove(e.MethodParameter);
}
/// <summary>
/// Cancels changes made to the model
/// if ManagedObjectLifetime is true.
/// </summary>
public virtual void Cancel(object sender, ExecuteEventArgs e)
{
DoCancel();
}
/// <summary>
/// Saves the Model, first committing changes
/// if ManagedObjectLifetime is true.
/// </summary>
public virtual void Save(object sender, ExecuteEventArgs e)
{
BeginSave();
}
/// <summary>
/// Removes an item from the list if the object
/// implements IBindingList and AllowRemove is true.
/// </summary>
/// <param name="sender">Object invoking this method.</param>
/// <param name="e">
/// ExecuteEventArgs, where MethodParameter contains
/// the item to be removed from the list.
/// </param>
public void RemoveItem(object sender, ExecuteEventArgs e)
{
var item = e.MethodParameter;
// only do something if the object implements
// IBindingList
IBindingList list;
Csla.Core.BusinessBase bb = item as Csla.Core.BusinessBase;
if (bb != null)
list = bb.Parent as IBindingList;
else
list = this.Data as IBindingList;
if (list != null && list.AllowRemove)
list.Remove(item);
}