// 添加新任务，打开添加新任务form
private void button4_Click(object sender, EventArgs e)
{
this.add_task = new task_entity();
this.add_task.clear();
this.todayTime = this.monthCalendar1.SelectionStart.ToString("yyyyMMdd");
// 获取当天的任务数量,并生成下一个taskid
int Count = getTaskId(this.todayTime);
string taskid = (Count + 1).ToString();
this.addForm = new Add_Form(this, taskid);
this.addForm.ShowUpdate += new Add_Form.DisplayUpdateDelegate(addNewTask);
}
// 修改任务记录
private void button6_Click(object sender, EventArgs e)
{
this.modify_task = new task_entity();
this.modify_task.clear();
string taskid = this.select_task.Task_id;
string time = this.select_task.Time;
string topic = this.select_task.Topic;
string people = this.select_task.People;
string result = this.select_task.Result;
string reason = this.select_task.Resaon;
string dependence = this.select_task.Dependence;
string isdelete = "0";
this.addForm = new Add_Form(taskid, time, topic, people, dependence, result, reason);
this.addForm.ShowUpdate += new Add_Form.DisplayUpdateDelegate(modifyTask);
}
public Main_Form()
{
InitializeComponent();
this.check_log();
this.todayTime = this.monthCalendar1.SelectionStart.ToString("yyyyMMdd");
this.ReadTasksFromXml(this.todayTime);
this.toFillTasksToListView(this.todayTasks);
this.select_task = new task_entity();
Control.CheckForIllegalCrossThreadCalls = false;
this.screenForm = new ScreenForm(this);
this.screenForm.Visible = false;
tim = new System.Timers.Timer();
//tim.Interval = 60000;
tim.Elapsed += new System.Timers.ElapsedEventHandler(tim_Elapsed);
//tim.Stop();
}
// 根据日期从Xml获取tasks
// today形如：20190810
private void ReadTasksFromXml(string today)
{
XmlDocument myXmlDoc = new XmlDocument(); // 初始化一个XML实例
myXmlDoc.Load(@"../mylog.txt"); // 通过文件路径加载日志文件
XmlNode rootNode = myXmlDoc.SelectSingleNode("logs"); // 找到logs结点，即日志的根结点for
string innerXmlInfo = rootNode.InnerXml.ToString();
string outerXmlInfo = rootNode.OuterXml.ToString();
XmlNodeList DateNodeList = rootNode.ChildNodes; // 获取第一层子节点: date（日期）层
foreach (XmlNode node in DateNodeList)
{
string date_id = node.Attributes[0].Value; // 取出每个日期的值
if (date_id.Equals(today)) // 如果给定的日期，与找到的日期匹配
{
XmlNodeList tasks = node.ChildNodes; // 获取当日的所有任务
int num = tasks.Count;
for (int i = 0; i < num; i++) // 遍历今天所有的task
{
task_entity my_task = new task_entity();
XmlNodeList details = tasks[i].ChildNodes; // 获取任务中的细节：time、topic、people、result、reason
for (int j = 0; j < details.Count; j++)
{
my_task.Time = details[0].InnerText;
my_task.Topic = details[1].InnerText;
my_task.People = details[2].InnerText;
my_task.Result = details[3].InnerText;
my_task.Resaon = details[4].InnerText;
my_task.Dependence = details[5].InnerText;
my_task.Isdelete = details[6].InnerText;
}
my_task.Task_id = tasks[i].Attributes[0].Value;
this.todayTasks.Add(my_task);
}
}
}
}
// 添加任务到当天的任务中
private void addTask_to_xml(task_entity tasks)
{
// 程序需要处理的情况
// 1. 如果当天有任务 2. 如果当天没有任务
// 3. 没有该天的日期 4. 有该天的日期
XmlDocument myXmlDoc = new XmlDocument();
myXmlDoc.Load(@"../mylog.txt"); // 通过文件路径加载日志文件
XmlNode rootNode = myXmlDoc.SelectSingleNode("logs"); // 找到logs结点，即日志的根结点
XmlNodeList DateNodeList = rootNode.ChildNodes; // 获取第一层子节点: date层
XmlElement task_Element = myXmlDoc.CreateElement("task"); // 创建task
XmlElement time_Node = myXmlDoc.CreateElement("time");
time_Node.InnerText = tasks.Time;
XmlElement topic_Node = myXmlDoc.CreateElement("topic");
topic_Node.InnerText = tasks.Topic;
XmlElement people_Node = myXmlDoc.CreateElement("people");
people_Node.InnerText = tasks.People;
XmlElement result_Node = myXmlDoc.CreateElement("result");
result_Node.InnerText = tasks.Result;
XmlElement reason_Node = myXmlDoc.CreateElement("reason");
reason_Node.InnerText = tasks.Resaon;
XmlElement dependence_Node = myXmlDoc.CreateElement("dependence");
dependence_Node.InnerText = tasks.Dependence;
XmlElement isdelete_Node = myXmlDoc.CreateElement("isdelete");
isdelete_Node.InnerText = tasks.Isdelete;
foreach (XmlNode node in DateNodeList) // node即date结点
{
// 如果有没有日期，需要创建新的日期
if (node.Attributes[0].Value == todayTime) // 如果日期匹配需要添加任务的日期
{
int num = node.ChildNodes.Count; // num代表当天有多少个任务
string date_id = node.Attributes[0].Value; // 取出每个日期的值
if (num > 0) // 如果当天已经有了任务，需要取出最后的任务的号，用于添加任务的时候号码递增
{
string last_task_id = node.LastChild.Attributes[0].Value;
int last_task_id_n = 0;
int.TryParse(last_task_id, out last_task_id_n); // 将当天的最后一次任务的task id转换成int型
task_Element.SetAttribute("id", (last_task_id_n + 1).ToString());
task_Element.AppendChild(time_Node);
task_Element.AppendChild(topic_Node);
task_Element.AppendChild(people_Node);
task_Element.AppendChild(result_Node);
task_Element.AppendChild(reason_Node);
task_Element.AppendChild(dependence_Node);
task_Element.AppendChild(isdelete_Node);
node.AppendChild(task_Element);
myXmlDoc.Save(@"../mylog.txt");
return;
}
else if (num == 0)
{ // 当前还没有任务
int last_task_id_n = 0;
task_Element.SetAttribute("id", (last_task_id_n + 1).ToString());
task_Element.AppendChild(time_Node);
task_Element.AppendChild(topic_Node);
task_Element.AppendChild(people_Node);
task_Element.AppendChild(result_Node);
task_Element.AppendChild(reason_Node);
task_Element.AppendChild(dependence_Node);
task_Element.AppendChild(isdelete_Node);
node.AppendChild(task_Element);
myXmlDoc.Save(@"../mylog.txt");
return;
}
else
{
// 异常，需要进行处理
return;
}
}
// 如果有日期没有任务，需要创建新的任务
//string date_id = node.Attributes[0].Value; // 取出每个日期的值
// 如果有这个日期，则删除这个日期的结点，然后添加新结点
//int num = node.ChildNodes.Count; // num代表当天有多少个任务
}
XmlElement date_Element = myXmlDoc.CreateElement("date"); // 如果日期不匹配，需要添加日期结点
date_Element.SetAttribute("id", this.todayTime.ToString());
task_Element.SetAttribute("id", (1).ToString());
task_Element.AppendChild(time_Node);
task_Element.AppendChild(topic_Node);
task_Element.AppendChild(people_Node);
task_Element.AppendChild(result_Node);
task_Element.AppendChild(reason_Node);
task_Element.AppendChild(dependence_Node);
task_Element.AppendChild(isdelete_Node);
date_Element.AppendChild(task_Element);
rootNode.AppendChild(date_Element);
myXmlDoc.Save(@"../mylog.txt");
}