public void Select(ListItem item)
{
if (item == null)
{
return;
}
object actionObj;
object mediaItemObj;
if (!item.AdditionalProperties.TryGetValue(Consts.KEY_MEDIA_ITEM_ACTION, out actionObj) || !item.AdditionalProperties.TryGetValue(Consts.KEY_MEDIA_ITEM, out mediaItemObj))
{
return;
}
ListItemAction action = actionObj as ListItemAction;
item = mediaItemObj as ListItem;
if (action == null || item == null)
{
return;
}
if (action.ConfirmationMessage(item) != null)
{
ShowConfirmation(action, item);
}
else
{
_ = InvokeAction(action, item);
}
}
public void EnterModelContext(NavigationContext oldContext, NavigationContext newContext)
{
_deferredAction = null;
_deferredItem = null;
IScreenManager screenManager = ServiceRegistration.Get <IScreenManager>();
screenManager.ShowDialog(Consts.DIALOG_MEDIAITEM_ACTION_MENU, (dialogName, dialogInstanceId) => LeaveMediaItemActionState());
}
public void ForEachVisible(ListItemAction action)
{
Update();
for (int visibleIndex = 0; visibleIndex < _visibleCount && _topmostIndex + visibleIndex < _getTotalCount(); visibleIndex++)
{
int realIndex = _topmostIndex + visibleIndex;
action(realIndex, visibleIndex, realIndex == _index);
}
}
protected async Task InvokeAction(ListItemAction action, ListItem item)
{
if (action.Deferred)
{
// Will be called when context is left
_deferredAction = action;
_deferredItem = item;
return;
}
await InvokeInternal(action, item);
}
private async Task InvokeInternal(ListItemAction action, ListItem item)
{
try
{
await action.ProcessAsync(item);
}
catch (Exception ex)
{
ServiceRegistration.Get <ILogger>().Error("Error executing MediaItemAction '{0}':", ex, action.GetType());
}
}
protected void ShowConfirmation(ListItemAction action, ListItem item)
{
IDialogManager dialogManager = ServiceRegistration.Get <IDialogManager>();
string header = LocalizationHelper.Translate(Consts.RES_CONFIRM_HEADER);
string text = LocalizationHelper.Translate(action.ConfirmationMessage(item));
Guid handle = dialogManager.ShowDialog(header, text, DialogType.YesNoDialog, false, DialogButtonType.No);
_dialogCloseWatcher = new DialogCloseWatcher(this, handle,
async dialogResult =>
{
if (dialogResult == DialogResult.Yes)
{
await InvokeAction(action, item);
}
_dialogCloseWatcher?.Dispose();
});
}
private async Task <bool> InvokeInternal(ListItemAction action, ListItem item)
{
try
{
var result = await action.ProcessAsync(item);
if (_deferredAction?.DoesChangeWorkflow ?? false)
{
IWorkflowManager workflowManager = ServiceRegistration.Get <IWorkflowManager>();
workflowManager.EndBatchUpdate();
}
return(result);
}
catch (Exception ex)
{
ServiceRegistration.Get <ILogger>().Error("Error executing MediaItemAction '{0}':", ex, action.GetType());
return(false);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ListItemActionEventArgs"/> class.
/// </summary>
/// <param name="action">The action.</param>
/// <param name="items">The items.</param>
public ListItemActionEventArgs(ListItemAction action, ICollection items)
{
m_items = items;
m_action = action;
}
/// <summary>
/// Initializes a new instance of the <see cref="ListItemActionEventArgs"/> class.
/// </summary>
/// <param name="action">The action.</param>
/// <param name="items">The items.</param>
public ListItemActionEventArgs(ListItemAction action, ICollection items)
{
m_items = items;
m_action = action;
}
public void HandleListItemEventException(Exception exception, SPEventPropertiesBase spItemEventProperties, ListItemAction listItemAction, string message)
{
try
{
var logger = GetLogger(exception);
spItemEventProperties.Cancel = (ListItemAction.Cancel == listItemAction);
spItemEventProperties.ErrorMessage = message;
logger.LogToOperations(exception, defaultEventID, EventLogEntryType.Error, null);
}
catch (ExceptionHandlingException)
{
throw;
}
catch (Exception handlingException)
{
ThrowExceptionHandlingException(handlingException, exception);
}
}
/// <summary>
/// Handle an exception in a listItemEvent. This will set the Cancel property of the <paramref name="spItemEventProperties"/>
/// to true if the <paramref name="listItemAction"/> equals <see cref="ListItemAction.Cancel"/>, set the error message on
/// the <paramref name="spItemEventProperties"/> and log the exception into the <see cref="ILogger"/> that's registered
/// with the <see cref="SharePointServiceLocator"/>.
/// </summary>
/// <param name="exception">The exception to handle.</param>
/// <param name="spItemEventProperties">The ItemEventProperties that will be updated.</param>
/// <param name="listItemAction">Determines if the action should be canceled.</param>
public void HandleListItemEventException(Exception exception, SPEventPropertiesBase spItemEventProperties, ListItemAction listItemAction)
{
this.HandleListItemEventException(exception, spItemEventProperties, listItemAction, exception.Message);
}
public ListItemActionData(ListItemAction action, int index)
{
this.action = action; this.index = index;
}
