private void CreateButtonClicked(object sender, RoutedEventArgs e)
{
var messageContent = "";
if (title.Text == "")
{
messageContent += "Title cannot be empty!";
}
if (details.Text == "")
{
messageContent += "\nDescription cannot be empty!";
}
if (DueDate.Date < DateTime.Today)
{
messageContent += "\nDue Date is illegal!";
}
if (messageContent != "")
{
MessageDialog errorMessage = new MessageDialog(messageContent);
var result = errorMessage.ShowAsync();
}
else
{
var str = (String)createButton.Content;
if (str == "Create")
{
MessageDialog errorMessage = new MessageDialog("Item created successfully!\n");
var result = errorMessage.ShowAsync();
ImageSource defaultUrl = itemImage.Source;
ViewModel.AddTodoItem(title.Text, details.Text, DueDate.Date.DateTime, defaultUrl);
Frame.Navigate(typeof(MainPage));
}
else
{
MessageDialog errorMessage = new MessageDialog("Item updated successfully!\n");
var result = errorMessage.ShowAsync();
ImageSource defaultUrl = itemImage.Source;
ViewModel.UpdateTodoItem(title.Text, details.Text, DueDate.Date.DateTime, defaultUrl);
Frame.Navigate(typeof(MainPage));
}
ViewModel.UpdateTile();
}
}
private async void Button_Create(object sender, RoutedEventArgs e)
{
bool isDateValid = true;
var errorMsg = "";
//验证DueDate是否正确（是否大于或等于当前日期）
if (DueDate.Date.Year < DateTime.Now.Year)
{
isDateValid = false;
}
else if (DueDate.Date.Year == DateTime.Now.Year)
{
if (DueDate.Date.Month < DateTime.Now.Month)
{
isDateValid = false;
}
else if (DueDate.Date.Month == DateTime.Now.Month)
{
if (DueDate.Date.Day < DateTime.Now.Day)
{
isDateValid = false;
}
}
}
if (TitleBox.Text == "" || DetailBox.Text == "" || isDateValid == false)
{
if (TitleBox.Text == "")
{
errorMsg += "Title can't be empty!\n";
}
if (DetailBox.Text == "")
{
errorMsg += "Detail can't be empty!\n";
}
if (isDateValid == false)
{
errorMsg += "The due date has passed!\n";
}
// Create the message dialog and set its content
var messageDialog = new MessageDialog(errorMsg);
// Add commands and set their callbacks; both buttons use the same callback function instead of inline event handlers
messageDialog.Commands.Add(new UICommand("关闭"));
// Show the message dialog
await messageDialog.ShowAsync();
return;
}
var Msg = "";
if (Create_btn.Content as string == "Create")
{
Random ran = new Random();
int idInDB = ran.Next();
while (!ViewModel.IsIdInDataBaseUnique(idInDB))
{
idInDB = ran.Next();
}
ViewModel.AddTodoItem(TitleBox.Text, DetailBox.Text, DueDate.Date.DateTime, Img.Source, idInDB);
// 向数据库添加Item
var db = App.conn;
using (var ListItem = db.Prepare(App.SQL_INSERT))
{
ListItem.Bind(1, TitleBox.Text);
ListItem.Bind(2, DetailBox.Text);
ListItem.Bind(3, DueDate.Date.ToString("yyyy-MM-dd HH:mm:ss"));
ListItem.Bind(4, "false");
ListItem.Bind(5, ((BitmapImage)Img.Source).UriSource.ToString());
ListItem.Bind(6, idInDB);
ListItem.Step();
}
Msg = "Create successfully!";
}
else
{
var db = App.conn;
using (var ListItem = db.Prepare(App.SQL_UPDATE))
{
ListItem.Bind(1, TitleBox.Text);
ListItem.Bind(2, DetailBox.Text);
ListItem.Bind(3, DueDate.Date.ToString("yyyy-MM-dd HH:mm:ss"));
ListItem.Bind(4, ViewModel.SelectedItem.completed.ToString());
ListItem.Bind(5, ((BitmapImage)Img.Source).UriSource.ToString());
ListItem.Bind(6, ViewModel.SelectedItem.idInDatabase);
ListItem.Step();
}
ViewModel.UpdateTodoItem(ViewModel.SelectedItem.id, TitleBox.Text, DetailBox.Text, DueDate.Date.DateTime, Img.Source);
Msg = "Update successfully!";
}
PanelReset();
Frame rootFrame = Window.Current.Content as Frame;
if (rootFrame != null)
{
rootFrame.GoBack();
}
//弹出窗口
var MsgDialog = new MessageDialog(Msg);
MsgDialog.Commands.Add(new UICommand("关闭"));
await MsgDialog.ShowAsync();
}
private async void Button_Create(object sender, RoutedEventArgs e)
{
if (TitleBox.Text == "" || DetailBox.Text == "" || !IsDateValid())
{
var errorMsg = "";
if (TitleBox.Text == "")
{
errorMsg += "Title can't be empty!\n";
}
if (DetailBox.Text == "")
{
errorMsg += "Detail can't be empty!\n";
}
if (!IsDateValid())
{
errorMsg += "The due date has passed!\n";
}
// Create the message dialog and set its content
var messageDialog = new MessageDialog(errorMsg);
// Add commands and set their callbacks; both buttons use the same callback function instead of inline event handlers
messageDialog.Commands.Add(new UICommand("关闭"));
// Show the message dialog
await messageDialog.ShowAsync();
return;
}
if (ViewModel.SelectedItem == null)
{
Random ran = new Random();
int idInDB = ran.Next();
while (!ViewModel.IsIdInDataBaseUnique(idInDB))
{
idInDB = ran.Next();
}
ViewModel.AddTodoItem(TitleBox.Text, DetailBox.Text, DueDate.Date.DateTime, Img.Source, idInDB);
// 向数据库添加Item
var db = App.conn;
using (var ListItem = db.Prepare(App.SQL_INSERT))
{
ListItem.Bind(1, TitleBox.Text);
ListItem.Bind(2, DetailBox.Text);
ListItem.Bind(3, DueDate.Date.ToString("yyyy-MM-dd HH:mm:ss"));
ListItem.Bind(4, "false");
ListItem.Bind(5, ((BitmapImage)Img.Source).UriSource.ToString());
ListItem.Bind(6, idInDB);
ListItem.Step();
}
PanelReset();
//弹出窗口
var messageDialog = new MessageDialog("Create successfully!");
messageDialog.Commands.Add(new UICommand("关闭"));
await messageDialog.ShowAsync();
}
else
{
var db = App.conn;
using (var ListItem = db.Prepare(App.SQL_UPDATE))
{
ListItem.Bind(1, TitleBox.Text);
ListItem.Bind(2, DetailBox.Text);
ListItem.Bind(3, DueDate.Date.ToString("yyyy-MM-dd HH:mm:ss"));
ListItem.Bind(4, ViewModel.SelectedItem.completed.ToString());
ListItem.Bind(5, ((BitmapImage)Img.Source).UriSource.ToString());
ListItem.Bind(6, ViewModel.SelectedItem.idInDatabase);
ListItem.Step();
}
ViewModel.UpdateTodoItem(ViewModel.SelectedItem.id, TitleBox.Text, DetailBox.Text, DueDate.Date.DateTime, Img.Source);
//重置界面
PanelReset();
//刷新（方法是导航到自身界面，然后再返回）
Frame.Navigate(typeof(MainPage));
Frame rootFrame = Window.Current.Content as Frame;
if (rootFrame != null)
{
rootFrame.GoBack();
}
//弹出窗口
var messageDialog = new MessageDialog("Update successfully!");
messageDialog.Commands.Add(new UICommand("关闭"));
await messageDialog.ShowAsync();
}
UpdateTile();
}
