/// <summary>
/// Adds the item.
/// </summary>
/// <param name="taskDescription">The task description.</param>
/// <param name="parent">The parent.</param>
public void AddDescription(TaskDescription taskDescription, TaskDescription parent)
{
TaskDescriptionEventArgs tdea = new TaskDescriptionEventArgs(taskDescription, parent);
OnAddingItemEvent(new TaskDescriptionEventArgs(taskDescription, parent));
if (tdea.Cancel == false)
{
parent.Children.Add(taskDescription);
}
OnTaskDescriptionsChangedEvent(EventArgs.Empty);
}
/// <summary>
/// Removes the item.
/// </summary>
/// <param name="description">The description.</param>
public void RemoveDescription(TaskDescription description)
{
TaskDescription parent = null;
foreach (TaskDescription child in TaskDescriptions)
{
parent = FindParentInHierarchy(child, description);
if (parent != null)
{
break;
}
}
if (parent != null)
{
TaskDescriptionEventArgs tdea = new TaskDescriptionEventArgs(description, parent);
OnRemovingItemEvent(tdea);
if (tdea.Cancel == false)
{
parent.Children.Remove(description);
ProviderRemoveDescription(description);
}
OnTaskDescriptionsChangedEvent(EventArgs.Empty);
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
private void OnRemovingItemEvent(TaskDescriptionEventArgs e)
{
EventHandler<TaskDescriptionEventArgs> handler = RemovingItem;
if (handler != null)
{
handler(this, e);
}
}
/// <summary>
/// Removes the item.
/// </summary>
/// <param name="description">The description.</param>
public void RemoveDescription(TaskDescription description)
{
TaskDescription parent = null;
foreach(TaskDescription child in TaskDescriptions)
{
parent = FindParentInHierarchy(child, description);
if (parent != null)
{
break;
}
}
if (parent != null)
{
TaskDescriptionEventArgs tdea = new TaskDescriptionEventArgs(description, parent);
OnRemovingItemEvent(tdea);
if (tdea.Cancel == false)
{
parent.Children.Remove(description);
ProviderRemoveDescription(description);
}
OnTaskDescriptionsChangedEvent(EventArgs.Empty);
}
}
/// <summary>
/// Adds the item.
/// </summary>
/// <param name="taskDescription">The task description.</param>
/// <param name="parent">The parent.</param>
public void AddDescription(TaskDescription taskDescription, TaskDescription parent)
{
TaskDescriptionEventArgs tdea = new TaskDescriptionEventArgs(taskDescription, parent);
OnAddingItemEvent(new TaskDescriptionEventArgs(taskDescription, parent));
if (tdea.Cancel == false)
{
parent.Children.Add(taskDescription);
}
OnTaskDescriptionsChangedEvent(EventArgs.Empty);
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
private void OnRemovingItemEvent(TaskDescriptionEventArgs e)
{
RemovingItem?.Invoke(this, e);
}
