public void OnContentChanged(string[] blockIds)
{
if (_editor == null)
{
ResetWidgets();
return;
}
// The active block may have been removed then added again in which case
// the old instance is invalid but can be restored by remapping the identifier
if ((_activeBlock != null) && !_activeBlock.IsValid())
{
_activeBlock?.Dispose();
_activeBlock = _editor.GetBlockById(_activeBlock.Id);
if (_activeBlock == null)
{
ResetWidgets();
}
}
if (_activeBlock != null)
{
if ((blockIds != null) && blockIds.Contains(_activeBlock.Id))
{
_currentBlock?.Dispose();
_currentBlock = _activeBlock?.ShallowCopy();
BackupData();
UpdateData();
UpdateWidgets(UpdateCause.Edit);
}
}
}
public void OnSelectionChanged(string[] blockIds)
{
_selectedBlock?.Dispose();
_selectedBlock = null;
if (blockIds != null)
{
foreach (var blockId in blockIds)
{
using (var block_ = _editor.GetBlockById(blockId))
{
if ((block_ != null) && (block_.Type == "Text"))
{
_selectedBlock = block_?.ShallowCopy();
break;
}
}
}
}
bool selectionChanged = false;
if ((_selectedBlock != null) && (_currentBlock != null))
{
selectionChanged = (_currentBlock.Id != _selectedBlock.Id);
}
else
{
selectionChanged = (_selectedBlock != _currentBlock);
}
if (selectionChanged)
{
if (_selectedBlock != null)
{
BackupData();
_currentBlock?.Dispose();
_currentBlock = _selectedBlock?.ShallowCopy();
UpdateData();
UpdateWidgets(UpdateCause.Selection);
}
else
{
ResetWidgets();
}
}
}
public void OnActiveBlockChanged(string blockId)
{
_activeBlock?.Dispose();
_activeBlock = _editor.GetBlockById(blockId);
if ((_currentBlock != null) && (_activeBlock != null) && (_currentBlock.Id == _activeBlock.Id))
{
return; // selectionChanged already changed the active block
}
BackupData();
_currentBlock?.Dispose();
_currentBlock = _activeBlock?.ShallowCopy();
UpdateData();
if (_currentBlock != null)
{
UpdateWidgets(UpdateCause.Edit);
}
else
{
ResetWidgets();
}
}
private void BackupData()
{
_previousBlock?.Dispose();
_previousBlock = _currentBlock?.ShallowCopy();
_previousWords = CloneWords(_currentWords);
}