private static void CollectionNavigator_BeforeDelete(object sender, CancelDataEventArgs<object> e)
{
if (MessageBox.Show("Delete picture?", "Delete picture", MessageBoxButton.YesNo, MessageBoxImage.Question) != MessageBoxResult.Yes)
{
e.Cancel = true;
}
}
private void DeleteButton_Click(object sender, RoutedEventArgs e)
{
if (CurrentPosition == null)
{
return;
}
var handler = BeforeDelete;
if (handler == null)
{
return;
}
var collection = ItemsSource;
int index = CurrentPosition.Value - 1;
object item = collection[index];
CancelDataEventArgs <object> eventArgs = new CancelDataEventArgs <object>(item);
handler(this, eventArgs);
if (eventArgs.Cancel)
{
return;
}
collection.RemoveAt(index);
ItemsSourceChanged();
}
private static void CollectionNavigator_BeforeDelete(object sender, CancelDataEventArgs <object> e)
{
if (MessageBox.Show("Delete picture?", "Delete picture", MessageBoxButton.YesNo, MessageBoxImage.Question) != MessageBoxResult.Yes)
{
e.Cancel = true;
}
}
private void OnEntryCommand_Executing(object sender, CancelDataEventArgs e)
{
var handler = CommandExecuting;
if (handler != null)
{
var entry = (CommandEntry)sender;
var cancelArgs = new CommandExecutingEventArgs(entry.Name, e.Value);
handler.Invoke(this, cancelArgs);
e.Cancel = cancelArgs.Cancel;
}
}
private void AttachedPicture_DescriptionChanging(object sender, CancelDataEventArgs <string> e)
{
if (!string.IsNullOrEmpty(e.Data))
{
foreach (IAttachedPicture picture1 in base.Items)
{
if (((picture1 != sender) && !string.IsNullOrEmpty(picture1.Description)) && (string.Compare(picture1.Description, e.Data, false) == 0))
{
return;
}
}
}
}
private void CollectionNavigator_BeforeAdd(object sender, CancelDataEventArgs<object> e)
{
if (_openFileDialog.ShowDialog() != true)
{
e.Cancel = true;
return;
}
Picture picture = new Picture(_openFileDialog.FileName);
if (picture.ImageSource != null)
e.Data = picture;
else
e.Cancel = true;
}
private void AttachedPicture_PictureTypeChanging(object sender, CancelDataEventArgs <PictureType> e)
{
foreach (IAttachedPicture picture1 in base.Items)
{
if ((((PictureType)e.Data) == PictureType.OtherFileIcon) && (picture1.PictureType == PictureType.OtherFileIcon))
{
return;
}
if ((((PictureType)e.Data) == PictureType.FileIcon32x32Png) && (picture1.PictureType == PictureType.FileIcon32x32Png))
{
return;
}
}
}
private void CollectionNavigator_BeforeAdd(object sender, CancelDataEventArgs <object> e)
{
if (_openFileDialog.ShowDialog() != true)
{
e.Cancel = true;
return;
}
Picture picture = new Picture(_openFileDialog.FileName);
if (picture.ImageSource != null)
{
e.Data = picture;
}
else
{
e.Cancel = true;
}
}
private void AttachedPicture_PictureTypeChanging(object sender, CancelDataEventArgs <PictureType> e)
{
foreach (IAttachedPicture attachedPicture in Items)
{
if (e.Data == PictureType.OtherFileIcon && attachedPicture.PictureType == PictureType.OtherFileIcon)
{
// TODO: Make this a warning
//e.Cancel = true;
//e.CancelReason = "There may only be one picture of this picture type in the tag";
return;
}
if (e.Data == PictureType.FileIcon32x32Png && attachedPicture.PictureType == PictureType.FileIcon32x32Png)
{
// TODO: Make this a warning
//e.Cancel = true;
//e.CancelReason = "There may only be one picture of this picture type in the tag";
return;
}
}
}
private void AddButton_Click(object sender, RoutedEventArgs e)
{
var handler = BeforeAdd;
if (handler == null)
{
return;
}
var collection = ItemsSource;
CancelDataEventArgs <object> eventArgs = new CancelDataEventArgs <object>(null);
handler(this, eventArgs);
if (eventArgs.Cancel || eventArgs.Data == null)
{
return;
}
collection.Add(eventArgs.Data);
ItemsSourceChanged();
CurrentPosition = collection.Count;
}
private void AttachedPicture_DescriptionChanging(object sender, CancelDataEventArgs <string> e)
{
if (string.IsNullOrEmpty(e.Data))
{
return;
}
foreach (IAttachedPicture attachedPicture in Items)
{
if (attachedPicture != sender)
{
if (string.IsNullOrEmpty(attachedPicture.Description) == false)
{
if (string.Compare(attachedPicture.Description, e.Data, false) == 0)
{
// TODO: Make this a warning
//e.Cancel = true;
//e.CancelReason = "A picture with this description already exists in the tag";
return;
}
}
}
}
}
private void OnCommandExecuting(object sender, CancelDataEventArgs e)
{
Executing?.Invoke(this, e);
}
private void DeleteButton_Click(object sender, RoutedEventArgs e)
{
if (CurrentPosition == null)
return;
var handler = BeforeDelete;
if (handler == null)
return;
var collection = ItemsSource;
int index = CurrentPosition.Value - 1;
object item = collection[index];
CancelDataEventArgs<object> eventArgs = new CancelDataEventArgs<object>(item);
handler(this, eventArgs);
if (eventArgs.Cancel)
return;
collection.RemoveAt(index);
ItemsSourceChanged();
}
private void AddButton_Click(object sender, RoutedEventArgs e)
{
var handler = BeforeAdd;
if (handler == null)
return;
var collection = ItemsSource;
CancelDataEventArgs<object> eventArgs = new CancelDataEventArgs<object>(null);
handler(this, eventArgs);
if (eventArgs.Cancel || eventArgs.Data == null)
return;
collection.Add(eventArgs.Data);
ItemsSourceChanged();
CurrentPosition = collection.Count;
}
