示例#1
0
bool LinkCelsCommand::onEnabled(Context* context)
{
  if (context->checkFlags(ContextFlags::ActiveDocumentIsWritable)) {
    // TODO the range of selected frames should be in doc::Site.
    Timeline::Range range = App::instance()->getMainWindow()->getTimeline()->range();
    return (range.enabled() && range.frames() > 1);
  }
  else
    return false;
}
void SetLoopSectionCommand::onExecute(Context* ctx)
{
  doc::Document* doc = ctx->activeDocument();
  if (!doc)
    return;

  doc::Sprite* sprite = doc->sprite();
  doc::frame_t begin = m_begin;
  doc::frame_t end = m_end;
  bool on = false;

  switch (m_action) {

    case Action::Auto: {
      Timeline::Range range = App::instance()->getMainWindow()->getTimeline()->range();
      if (range.enabled() && (range.frames() > 1)) {
        begin = range.frameBegin();
        end = range.frameEnd();
        on = true;
      }
      else {
        on = false;
      }
      break;
    }

    case Action::On:
      on = true;
      break;

    case Action::Off:
      on = false;
      break;

  }

  doc::FrameTag* loopTag = get_loop_tag(sprite);
  if (on) {
    if (!loopTag) {
      loopTag = create_loop_tag(begin, end);

      ContextWriter writer(ctx);
      Transaction transaction(writer.context(), "Add Loop");
      transaction.execute(new cmd::AddFrameTag(sprite, loopTag));
      transaction.commit();
    }
    else if (loopTag->fromFrame() != begin ||
             loopTag->toFrame() != end) {
      ContextWriter writer(ctx);
      Transaction transaction(writer.context(), "Set Loop Range");
      transaction.execute(new cmd::SetFrameTagRange(loopTag, begin, end));
      transaction.commit();
    }
    else {
      Command* cmd = CommandsModule::instance()->getCommandByName(CommandId::FrameTagProperties);
      ctx->executeCommand(cmd);
    }
  }
  else {
    if (loopTag) {
      ContextWriter writer(ctx);
      Transaction transaction(writer.context(), "Remove Loop");
      transaction.execute(new cmd::RemoveFrameTag(sprite, loopTag));
      transaction.commit();
    }
  }

  App::instance()->getMainWindow()->getTimeline()->invalidate();
}