/// <summary>
/// 编辑行事件处理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <returns></returns>
bool ModifyLineEvent(object sender, ModifyLineEventArgs e)
{
if (TextDoc.GetLineCounts() > e.TargetLineIndex || e.TargetLineIndex <= 0)
{
return(false);
}
else
{
TextLine targetLine = this.TextDoc.GetTextLineByIndex(e.TargetLineIndex);
if (targetLine == null)
{
return(false);
}
targetLine.EditContent(e.NewContent);
targetLine.Mark = LineMarkType.Changed;
MessageQueues.MessagesToSend.Enqueue(MessageWrapper.WriteMsg(this.CallerID, this.Identity, MessageType.UPD, targetLine.ID, e.NewContent));
return(true);
}
}
/// <summary>
/// 处理UPD消息
/// </summary>
/// <param name="callerID"></param>
/// <param name="lineHash"></param>
/// <param name="content"></param>
/// <param name="sc"></param>
public static void DoUpd(string callerID, int lineHash, string content, SynchronousController sc)
{
TextLine targetLine = sc.TextDoc.GetLineByHash(lineHash);
if (targetLine.Mark == LineMarkType.Changed)
{
//自己的修改消息会先到达对面，无需发确认消息对面也会知道冲突存在
//TODO:调用消息告知发生冲突的位置和对方文本，由编辑器显示(建议在对应行的下方以另一种颜色显示)
return;
}
if (targetLine.Mark == LineMarkType.Deleted)
{
//由于删除优先级最高，故对方的该行也将被删除，不必回复确认消息
return;
}
if (targetLine.Mark == LineMarkType.UnChanged)
{
targetLine.EditContent(content);
int index = sc.TextDoc.GetIndexByHash(lineHash);
sc.ToModifyLine(index, content);
sc.MessageQueues.MessagesToSend.Enqueue(MessageWrapper.WriteMsg(callerID, sc.Identity, MessageType.VRF, lineHash, "UPD" + content));
return;
}
}