private void PreviewPage_Click(object sender, RoutedEventArgs e) //上一页
{
if (this.Page == 1)
{
tipWindow warning = new tipWindow("已经是第一页了");
warning.ShowDialog();
return;
}
this.Page--;
PageLabel.Text = "当前页面:" + Page.ToString();
switch (this.CurrentQList)
{
case 1:
this.QuestionList = CommunityService.GetAllQuestions(Page);
break;
case 2:
this.QuestionList = this.User.GetMyQuestions(this.Page);
break;
case 3:
this.QuestionList = this.User.GetMyAnswers(this.Page);
break;
case 4:
this.QuestionList = CommunityService.SearchQuestion(Keyword.Text, this.Page);
break;
}
this.QuesItem.ItemsSource = null;
this.QuesItem.ItemsSource = QuestionList;
}
private void Answer_Click(object sender, RoutedEventArgs e) //回答
{
if (CurrentQuestion == null)
{
return;
}
else if (User.UserId == null)
{
tipWindow warning = new tipWindow("请先登录");
warning.ShowDialog();
return;
}
else if (CurrentQuestion.UserId == User.UserId)
{
tipWindow warning = new tipWindow("不能回答自己的提问");
warning.ShowDialog();
return;
}
else if (AnswerContent.Text == null || AnswerContent.Text == "")
{
tipWindow warning = new tipWindow("回答不能为空");
warning.ShowDialog();
return;
}
else if (DisplayAnswers.Count >= 15)
{
tipWindow warning = new tipWindow("回答已满");
warning.ShowDialog();
return;
}
bool success = User.Answer(AnswerContent.Text, CurrentQuestion.QuestionId);
if (success)
{
Answer newAnswer = new Answer(AnswerContent.Text, DateTime.Now, User.UserId, false, -1, 0);
QuestionList[CurrentQuesIndex].Answers.Add(newAnswer);
DisplayAnswer disp = new DisplayAnswer();
disp.convert(newAnswer);
disp.ShowAdoptBtn = false;
disp.IsMyAnswer = true;
this.DisplayAnswers.Add(disp);
AnswerContent.Text = "";
this.AnsItem.ItemsSource = null;
this.AnsItem.ItemsSource = this.DisplayAnswers;
}
else
{
tipWindow warning = new tipWindow("未知错误");
warning.ShowDialog();
return;
}
}
private void myAnswer_Click(object sender, RoutedEventArgs e) //我回答过的提问
{
if (User.UserId == null)
{
tipWindow warning = new tipWindow("请先登录");
warning.ShowDialog();
return;
}
Keyword.Text = "";
this.Page = 1;
this.CurrentQList = 3;
PageLabel.Text = "当前页面:" + Page.ToString();
this.QuestionList = this.User.GetMyAnswers(this.Page);
this.QuesItem.ItemsSource = null;
this.QuesItem.ItemsSource = QuestionList;
}
private void ToggleButton_Click(object sender, RoutedEventArgs e) //点赞
{
if (User.UserId == null)
{
tipWindow warning = new tipWindow("请先登录");
warning.ShowDialog();
return;
}
var curItem = ((ListBoxItem)AnsItem.ContainerFromElement((System.Windows.Controls.Primitives.ToggleButton)sender)).Content;
DisplayAnswer disp = curItem as DisplayAnswer;
if (disp.UserId == User.UserId)
{
tipWindow warning = new tipWindow("无法给自己点赞");
warning.ShowDialog();
return;
}
bool success = User.Like(disp.AnswerId);
if (success)
{
foreach (DisplayAnswer da in DisplayAnswers)
{
if (da.AnswerId == disp.AnswerId)
{
disp.Like++;
}
}
foreach (Answer a in QuestionList[CurrentQuesIndex].Answers)
{
if (a.AnswerId == disp.AnswerId)
{
a.Like++;
}
}
this.AnsItem.ItemsSource = null;
this.AnsItem.ItemsSource = this.DisplayAnswers;
}
else
{
tipWindow warning = new tipWindow("已经点过赞了");
warning.ShowDialog();
return;
}
}
private void AskQuestionBtn_Click(object sender, RoutedEventArgs e) //提问
{
if (User.UserId == null)
{
tipWindow warning = new tipWindow("请先登录");
warning.ShowDialog();
return;
}
askQuestionWindow ask = new askQuestionWindow(User, Keyword.Text);
ask.ShowDialog();
if (ask.HasAsked == true)
{
bool success = User.Ask(ask.QContent, ask.Reward);
if (success)
{
Question newQuestion = new Question(ask.QContent, ask.Reward, User.UserId, false, DateTime.Now, new List <Answer>());
QuestionList.Insert(0, newQuestion);
if (QuestionList.Count > 15)
{
QuestionList.RemoveAt(14);
}
this.User.Coin -= ask.Reward;
this.QuesItem.ItemsSource = null;
this.QuesItem.ItemsSource = QuestionList;
CurrentQuestion = QuestionList[0];
this.ques_info.DataContext = QuestionList[0];
this.AnsItem.ItemsSource = new List <DisplayAnswer>();
coin.Text = "积分：" + User.Coin.ToString();
}
else
{
tipWindow warning = new tipWindow("未知错误");
warning.ShowDialog();
return;
}
}
}
private void Adopt_btn_Click(object sender, RoutedEventArgs e) //采纳按钮
{
var curItem = ((ListBoxItem)AnsItem.ContainerFromElement((Button)sender)).Content;
DisplayAnswer disp = curItem as DisplayAnswer;
bool success = User.Adopt(disp.AnswerId, CurrentQuestion.QuestionId);
if (success == true)
{
foreach (DisplayAnswer a in DisplayAnswers)
{
a.ShowAdoptBtn = false;
if (a.AnswerId == disp.AnswerId)
{
a.IsAdopted = true;
}
}
QuestionList[QuesItem.SelectedIndex].Solved = true;
foreach (Answer a in QuestionList[QuesItem.SelectedIndex].Answers)
{
if (a.AnswerId == disp.AnswerId)
{
a.IsAdopted = true;
}
}
this.QuesItem.ItemsSource = null;
this.AnsItem.ItemsSource = null;
this.AnsItem.ItemsSource = this.DisplayAnswers;
this.QuesItem.ItemsSource = this.QuestionList;
}
else
{
tipWindow warning = new tipWindow("未知错误");
warning.ShowDialog();
return;
}
}
private void NextPage_Click(object sender, RoutedEventArgs e) //下一页
{
this.Page++;
List <Question> qlist;
bool isSuccess = true;
switch (this.CurrentQList)
{
case 1:
qlist = CommunityService.GetAllQuestions(Page);
if (qlist == null)
{
isSuccess = false;
break;
}
this.QuestionList = qlist;
isSuccess = true;
break;
case 2:
qlist = this.User.GetMyQuestions(this.Page);
if (qlist == null)
{
isSuccess = false;
break;
}
this.QuestionList = qlist;
isSuccess = true;
break;
case 3:
qlist = this.User.GetMyAnswers(this.Page);
if (qlist == null)
{
isSuccess = false;
break;
}
this.QuestionList = qlist;
isSuccess = true;
break;
case 4:
qlist = CommunityService.SearchQuestion(Keyword.Text, this.Page);
if (qlist == null)
{
isSuccess = false;
break;
}
this.QuestionList = qlist;
isSuccess = true;
break;
}
if (isSuccess == false)
{
this.Page--;
tipWindow warning = new tipWindow("没有更多了");
warning.ShowDialog();
return;
}
PageLabel.Text = "当前页面:" + Page.ToString();
this.QuesItem.ItemsSource = null;
this.QuesItem.ItemsSource = QuestionList;
}