/// <summary>
/// 初始化第一条命令
/// </summary>
/// <param name="command">当前命令</param>
private void InitFirstCommand(FlowChartBaseCommand command)
{
if (commandIndex == -1) // 检查是否是第一条命令
{
command.FirstCommand = true;
}
}
/// <summary>
/// 调整命令链表
/// </summary>
/// <param name="cmd">当前命令</param>
private void AdjustCommandList(FlowChartBaseCommand cmd)
{
if (flowChartManager.SupportCommand)
{
List<FlowChartBaseCommand> deleteCommandList = new List<FlowChartBaseCommand>(); // 要删除的命令的链表
for (int i = commandIndex + 1; i < commandList.Count; i++)
{
deleteCommandList.Add(commandList[i]);
}
// 删除被覆盖的命令
foreach (FlowChartBaseCommand command in deleteCommandList)
{
commandList.Remove(command);
}
documentManager.AdjustCommandList(commandIndex, string.Format("撤销 ({0} {1})", DateTime.Now, cmd.Description),
commandList.Count);
// 添加新命令
commandList.Add(cmd);
commandIndex++;
}
}