public void Activate(FileOpenPickerActivatedEventArgs args)
{
this.fileOpenPickerUI = args.FileOpenPickerUI;
this.fileOpenPickerUI.FileRemoved += fileOpenPickerUI_FileRemoved;
Window.Current.Content = this;
Window.Current.Activate();
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
// 获取 FileOpenPickerUI 对象（从 App.xaml.cs 传来的）
FileOpenPickerActivatedEventArgs args = (FileOpenPickerActivatedEventArgs)e.Parameter;
_fileOpenPickerUI = args.FileOpenPickerUI;
_fileOpenPickerUI.Title = "自定义文件打开选取器";
// 注意：选择的文件的扩展名必须匹配 AllowedFileTypes 中的定义（其是在调用端的 FileOpenPicker.FileTypeFilter 中配置的）
IReadOnlyList <string> allowedFileTypes = _fileOpenPickerUI.AllowedFileTypes;
lblMsg.Text = "allowedFileTypes: " + string.Join(",", allowedFileTypes);
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "Kind: " + args.Kind;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "SplashScreen.ImageLocation: " + args.SplashScreen.ImageLocation;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "PreviousExecutionState: " + args.PreviousExecutionState;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "CallerPackageFamilyName: " + args.CallerPackageFamilyName;
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "User.NonRoamableId: " + args.User.NonRoamableId;
lblMsg.Text += Environment.NewLine;
// _fileOpenPickerUI.Closing += _fileOpenPickerUI_Closing;
base.OnNavigatedTo(e);
}
public void Activate(FileOpenPickerActivatedEventArgs args)
{
_saving = false;
_open_basket = args.FileOpenPickerUI;
Window.Current.Content = this;
Window.Current.Activate();
}
public FileOpenPayload(FileOpenPickerUI fileOpenPickerUI)
{
this.syncObject = new object();
this.fileOpenPickerUI = fileOpenPickerUI;
IsMultiSelect = fileOpenPickerUI.SelectionMode == FileSelectionMode.Multiple;
FileTypes = fileOpenPickerUI.AllowedFileTypes;
}
public FileOpenPage(FileOpenPickerUI pickerUi)
{
_pickerUi = pickerUi;
InitializeComponent();
Loaded += FileOpenPage_Loaded;
}
public void Activate(FileOpenPickerActivatedEventArgs args)
{
// cache FileOpenPickerUI
fileOpenPickerUI = args.FileOpenPickerUI;
Window.Current.Content = this;
this.OnNavigatedTo(null);
Window.Current.Activate();
}
public void Activate(FileOpenPickerActivatedEventArgs args)
{
FileOpenPickerUi = args.FileOpenPickerUI;
FileOpenPickerUi.Title = "github";
Window.Current.Content = this;
OnNavigatedTo(null);
Window.Current.Activate();
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
// 获取 FileOpenPickerUI 对象（从 App.xaml.cs 传来的）
var args = (FileOpenPickerActivatedEventArgs)e.Parameter;
_fileOpenPickerUI = args.FileOpenPickerUI;
_fileOpenPickerUI.Title = "自定义文件打开选取器";
base.OnNavigatedTo(e);
}
private async void OnFileRemoved(FileOpenPickerUI sender, FileRemovedEventArgs args)
{
if (args.Id == id)
{
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
await new Windows.UI.Popups.MessageDialog("File removed from the basket.").ShowAsync();
UpdateButtonState(false);
});
}
}
private async void OnFileRemoved(FileOpenPickerUI sender, FileRemovedEventArgs args)
{
// make sure that the item got removed matches the one we added.
if (args.Id == id)
{
// The event handler may be invoked on a background thread, so use the Dispatcher to run the UI-related code on the UI thread.
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
OutputTextBlock.Text = Status.FileRemoved;
UpdateButtonState(false);
});
}
}
/// <summary>
/// Invoked when user removes one of the items from the Picker basket
/// </summary>
/// <param name="sender">The FileOpenPickerUI instance used to contain the available files.</param>
/// <param name="e">Event data that describes the file removed.</param>
private async void HandleFilePickerUIFileRemoved(FileOpenPickerUI sender,
FileRemovedEventArgs e)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
// Synchronize the select items in the UI lists to remove
// the item that was removed from the picker's 'basket'
var removedSelectedGridItem =
FileGridView.SelectedItems.Cast <FileInfo>()
.FirstOrDefault(x => x.Title == e.Id);
if (removedSelectedGridItem != null)
{
FileGridView.SelectedItems.Remove(removedSelectedGridItem);
}
});
}
/// <summary>
/// Invoked when another application wants to open files from this application.
/// </summary>
/// <param name="e">Activation data used to coordinate the process with Windows.</param>
public async void Activate(FileOpenPickerActivatedEventArgs e)
{
_fileOpenPickerUI = e.FileOpenPickerUI;
_fileOpenPickerUI.FileRemoved += FilePickerUI_FileRemoved;
DefaultViewModel["CanGoUp"] = false;
Window.Current.Content = this;
Window.Current.Activate();
// TODO: Set this.DefaultViewModel["Files"] to show a collection of items,
// each of which should have bindable Image, Title, and Description
// Now that the window has been activated, go ahead and load up the files
var appInstalledLocation = Package.Current.InstalledLocation;
var filesFolder = await appInstalledLocation.GetFolderAsync("FileActivation");
var queryOptions = new QueryOptions(CommonFileQuery.DefaultQuery, new[] { ".wrtbe" });
var query = filesFolder.CreateFileQueryWithOptions(queryOptions);
var files = await query.GetFilesAsync();
var filesList = new List <Object>();
foreach (var file in files)
{
var thumbnail = await file.GetThumbnailAsync(ThumbnailMode.ListView);
if (thumbnail != null)
{
var image = new BitmapImage();
image.SetSource(thumbnail);
var result = new TrackedFile
{
Id = file.FolderRelativeId,
Title = file.Name,
Image = image,
StorageFile = file,
};
filesList.Add(result);
}
}
DefaultViewModel["Files"] = filesList;
}
/// <summary>
/// Used to set up the content to be displayed and connect to the containing File Open Picker
/// </summary>
/// <param name="fileOpenPickerUI">The file open picker UI element.</param>
public void Initialize(FileOpenPickerUI fileOpenPickerUI)
{
if (fileOpenPickerUI == null)
{
throw new ArgumentNullException("fileOpenPickerUI");
}
// Tie into the containing File Picker object
_fileOpenPickerUI = fileOpenPickerUI;
_fileOpenPickerUI.FileRemoved += HandleFilePickerUIFileRemoved;
// Initialize the ViewModel
DefaultViewModel["SelectionMode"] =
_fileOpenPickerUI.SelectionMode == FileSelectionMode.Multiple
? ListViewSelectionMode.Multiple
: ListViewSelectionMode.Single;
DefaultViewModel["Contacts"] = null;
DefaultViewModel["SelectedContact"] = null;
// Load the contact info
LoadContacts();
}
//public async void ActivateFilePicker(FileOpenPickerActivatedEventArgs e)
//{
// this.fileOpenPickerUI = e.FileOpenPickerUI;
// this.fileOpenPickerUI.FileRemoved += this.fileOpenPickerUI_FileRemoved;
// Window.Current.Content = this;
// Window.Current.Activate();
// this.ViewModel.FileSelectionMode = ListViewSelectionMode.Extended;
// this.ViewModel.AreFilesClickable = false;
// await this.ViewModel.LoadPageAsync(null);
//}
void fileOpenPickerUI_FileRemoved(FileOpenPickerUI sender, FileRemovedEventArgs args)
{
throw new NotImplementedException();
}
public void Initialize(FileOpenPickerUI fileOpenPicker)
{
throw new NotImplementedException();
}
void fileOpenPickerUI_FileRemoved(FileOpenPickerUI sender, FileRemovedEventArgs args)
{
this.fileOpenPickerUI.RemoveFile(args.Id);
}
/// <summary>
/// Invoked when user removes one of the items from the Picker basket
/// </summary>
/// <param name="sender">The FileOpenPickerUI instance used to contain the available files.</param>
/// <param name="e">Event data that describes the file removed.</param>
private void FilePickerUI_FileRemoved(FileOpenPickerUI sender, FileRemovedEventArgs e)
{
throw new InvalidOperationException("Only single selection is currently supported.");
// TODO: Respond to an item being deselected in the picker UI.
}
public void Initialize(FileOpenPickerUI fileOpenPicker)
{
_fileOpenPicker = fileOpenPicker;
}
public RecordingPickerPage(FileOpenPickerUI pickerUi) : this()
{
_pickerUi = pickerUi;
}