// 鼠标按下
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
base.OnPointerPressed(e);
// 获取当前状态机面板
StateMachine_P_VM nowSMPVM = (StateMachine_P_VM)ResourceManager.mainWindowVM.SelectedItem.SelectedItem.SelectedItem;
// 如果有连线,那么要做的是删除连线
if (ConnectorVM.ConnectionVM != null)
{
nowSMPVM.BreakTransitionVM(ConnectorVM);
ResourceManager.mainWindowVM.Tips = "删除了转移关系";
}
// 如果已经是活动锚点,要清除活动状态
else if (nowSMPVM.ActiveConnector == ConnectorVM) // 也可用ConnectorVM.IsActive
{
ConnectorVM.IsActive = false;
nowSMPVM.ActiveConnector = null;
ResourceManager.mainWindowVM.Tips = "清除了锚点的预连线状态";
}
// 否则,即是空闲锚点
// 如果还没有活动锚点,设置其为活动锚点
else if (nowSMPVM.ActiveConnector == null)
{
nowSMPVM.ActiveConnector = ConnectorVM;
ConnectorVM.IsActive = true;
ResourceManager.mainWindowVM.Tips = "设置锚点为预连线锚点";
}
// 至此,说明已经有一个活动锚点了,且当前锚点是另一个空闲锚点,这时要从活动锚点连线到此锚点
else
{
nowSMPVM.CreateTransitionVM(nowSMPVM.ActiveConnector, ConnectorVM);
// 清除活动锚点
nowSMPVM.ActiveConnector.IsActive = false;
nowSMPVM.ActiveConnector = null;
ResourceManager.mainWindowVM.Tips = "创建了新的状态转移关系";
}
e.Handled = true;
}
// 鼠标按下
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
base.OnPointerPressed(e);
// 【注意】区分“状态机”和“访问控制”
SidePanel_VM sidePanel_VM = ResourceManager.mainWindowVM.SelectedItem.SelectedItem.SelectedItem;
if (sidePanel_VM is ProcessToSM_P_VM) // “状态机”
{
StateMachine_P_VM nowSMPVM = ((ProcessToSM_P_VM)sidePanel_VM).SelectedItem;
// 如果有连线,那么要做的是删除连线
if (ConnectorVM.ConnectionVM != null)
{
nowSMPVM.BreakTransitionVM(ConnectorVM);
ResourceManager.mainWindowVM.Tips = "删除了转移关系";
}
// 如果已经是活动锚点,要清除活动状态
else if (nowSMPVM.ActiveConnector == ConnectorVM) // 也可用ConnectorVM.IsActive
{
ConnectorVM.IsActive = false;
nowSMPVM.ActiveConnector = null;
ResourceManager.mainWindowVM.Tips = "清除了锚点的预连线状态";
}
// 否则,即是空闲锚点
// 如果还没有活动锚点,设置其为活动锚点
else if (nowSMPVM.ActiveConnector == null)
{
nowSMPVM.ActiveConnector = ConnectorVM;
ConnectorVM.IsActive = true;
ResourceManager.mainWindowVM.Tips = "设置锚点为预连线锚点";
}
// 至此,说明已经有一个活动锚点了,且当前锚点是另一个空闲锚点,这时要从活动锚点连线到此锚点
else
{
nowSMPVM.CreateTransitionVM(nowSMPVM.ActiveConnector, ConnectorVM);
// 清除活动锚点
nowSMPVM.ActiveConnector.IsActive = false;
nowSMPVM.ActiveConnector = null;
}
e.Handled = true;
}
else if (sidePanel_VM is AccessControl_P_VM) // “访问控制”
{
AccessControl_P_VM nowSMPVM = (AccessControl_P_VM)sidePanel_VM;
// 如果有连线,那么要做的是删除连线
if (ConnectorVM.ConnectionVM != null)
{
nowSMPVM.BreakTransitionVM(ConnectorVM);
ResourceManager.mainWindowVM.Tips = "删除了转移关系";
}
// 如果已经是活动锚点,要清除活动状态
else if (nowSMPVM.ActiveConnector == ConnectorVM) // 也可用ConnectorVM.IsActive
{
ConnectorVM.IsActive = false;
nowSMPVM.ActiveConnector = null;
ResourceManager.mainWindowVM.Tips = "清除了锚点的预连线状态";
}
// 否则,即是空闲锚点
// 如果还没有活动锚点,设置其为活动锚点
else if (nowSMPVM.ActiveConnector == null)
{
nowSMPVM.ActiveConnector = ConnectorVM;
ConnectorVM.IsActive = true;
ResourceManager.mainWindowVM.Tips = "设置锚点为预连线锚点";
}
// 至此,说明已经有一个活动锚点了,且当前锚点是另一个空闲锚点,这时要从活动锚点连线到此锚点
else
{
nowSMPVM.CreateTransitionVM(nowSMPVM.ActiveConnector, ConnectorVM);
// 清除活动锚点
nowSMPVM.ActiveConnector.IsActive = false;
nowSMPVM.ActiveConnector = null;
}
e.Handled = true;
}
}