public void updateTodoItem(BitmapImage image, string title, string description, DateTimeOffset date)
{
this.allItems[selectId].image = image;
this.allItems[selectId].title = title;
this.allItems[selectId].description = description;
this.allItems[selectId].date = date;
TodoItemDataBase.update(allItems[selectId].id, allItems[selectId].title, allItems[selectId].description, allItems[selectId].date);
}
public static string ImageName = "background.jpg"; // 默认图片的名称
public void AddTodoItem(BitmapImage image, string title, string description, DateTimeOffset date)
{
TodoItem newItem = new TodoItem(image, title, description, date);
newItem.imageName = ImageName;
this.allItems.Add(newItem);
TodoItemDataBase.insert(newItem.id, newItem.title, newItem.description, newItem.date, newItem.completed, ImageName); // 插入数据库项
ImageName = "background.jpg"; // 恢复为默认图片
}
public static TodoItemViewModel ViewModel = new TodoItemViewModel(); // ViewModel存储Item数据.所有页面共享一份数据
public WholePage()
{
this.InitializeComponent();
Current = this;
MainPageFrame.Navigate(typeof(MainPage));
NewPageFrame.Navigate(typeof(NewPage));
SystemNavigationManager.GetForCurrentView().BackRequested += OnBackRequested; // 创建后退Button
TodoItemDataBase.createTable(); // 若数据库表不存在, 则创建数据库表
ViewModel.allItems = TodoItemDataBase.getAllItems(); // 从数据库中获取信息
Tile.tileCreate(); // 调用创建磁贴的函数
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility =
Frame.CanGoBack ? AppViewBackButtonVisibility.Visible : AppViewBackButtonVisibility.Collapsed;
if (e.NavigationMode == NavigationMode.New)
{
ApplicationData.Current.LocalSettings.Values.Remove("NewPage");
}
else
{
if (ApplicationData.Current.LocalSettings.Values["image"] != null)
{
StorageFile temp;
temp = await StorageApplicationPermissions.FutureAccessList.GetFileAsync((string)ApplicationData.Current.LocalSettings.Values["image"]);
IRandomAccessStream ir = await temp.OpenAsync(FileAccessMode.Read);
BitmapImage bi = new BitmapImage();
await bi.SetSourceAsync(ir);
NewPage.Current.image.Source = bi;
ApplicationData.Current.LocalSettings.Values["image"] = null;
}
if (ApplicationData.Current.LocalSettings.Values.ContainsKey("NewPage"))
{
ViewModel.allItems = TodoItemDataBase.getAllItems();
var composite = ApplicationData.Current.LocalSettings.Values["NewPage"] as ApplicationDataCompositeValue;
title.Text = (string)composite["Title"];
detail.Text = (string)composite["Details"];
dueDate.Date = (DateTimeOffset)composite["Date"];
isUpdate = (bool)composite["isUpdate"];
if (isUpdate)
{
create.Content = "Update";
cancel.Content = "Delete";
barShareButton.Visibility = Visibility.Visible;
}
ApplicationData.Current.LocalSettings.Values.Remove("NewPage");
}
}
}
private async void clickSearchButton(object sender, RoutedEventArgs e)
{
var messageDialog = new MessageDialog("");
messageDialog.Commands.Add(new UICommand("Close"));
messageDialog.DefaultCommandIndex = 0;
messageDialog.CancelCommandIndex = 1;
if (searchMessage.Text == "")
{
messageDialog.Content = "Please input the message for search";
}
else
{
StringBuilder result = TodoItemDataBase.query(searchMessage.Text);
messageDialog.Content = result.ToString();
}
await messageDialog.ShowAsync();
}
public void removeTodoItem()
{
TodoItemDataBase.delete(allItems[selectId].id);
this.allItems.RemoveAt(selectId);
}
private void clickCheckBox(object sender, RoutedEventArgs e)
{
TodoItemDataBase.updateCompleted();
}
