public collection_listbox()
{
InitializeComponent();
contributions.initialize(true, "", new ItemSelected(this.item_selected));
collection_listbox_item cli = new collection_listbox_item();
cli.img.Source = configurations.img_loading_image_pic;
cli.img.Tag = null;
//cli.percentage.Visibility = System.Windows.Visibility.Visible;
cli.drag.Visibility = System.Windows.Visibility.Collapsed;
this.contributions._list.Items.Add(cli);
debug_canvas.Width = window_manager.main_canvas.ActualWidth;
debug_canvas.Height = window_manager.main_canvas.ActualHeight;
window_manager.main_canvas.Children.Add(debug_canvas);
this.contributions.collection_list = true;
this.Height = configurations.collection_listbox_height;
this.Loaded += new RoutedEventHandler(collection_listbox_Loaded);
//this.contributions.PreviewTouchUp += new EventHandler<System.Windows.Input.TouchEventArgs>(contributions_PreviewTouchUp);
//this.contributions.PreviewTouchMove += new EventHandler<System.Windows.Input.TouchEventArgs>(contributions_PreviewTouchMove);
//this.contributions.PreviewTouchDown += new EventHandler<System.Windows.Input.TouchEventArgs>(contributions_TouchDown);
}
void progress_changed(object sender, ProgressChangedEventArgs e)
{
this.contributions._list.Items.Dispatcher.BeginInvoke(DispatcherPriority.Normal,
new System.Action(() =>
{
try
{
loading_progress progress = (loading_progress)e.UserState;
//collection_listbox_item cli = (collection_listbox_item)this.contributions._list.Items[this.contributions._list.Items.Count - 1];
string progress_text = " (loading " + (e.ProgressPercentage).ToString() + " of " + progress.total + ")";
string[] title = this.parent.get_title().Split(new string[] { " (" }, StringSplitOptions.RemoveEmptyEntries);
this.parent.set_title(title[0] + progress_text);
if (progress.current_progress == 0)
{
this.contributions._list.Items.Clear();
for (int counter = 0; counter < progress.total; counter++)
{
collection_listbox_item c = new collection_listbox_item();
c.img.Source = configurations.img_loading_image_pic;
//c.img.GifSource = configurations.GetAbsoluteImagePath() + "loading1.gif";
c.img.Tag = null;
//c.percentage.Visibility = System.Windows.Visibility.Collapsed;
//c.percentage.Text = (e.ProgressPercentage).ToString() + " of " + progress.total + " contribution(s) downloaded.";
c.drag.Visibility = System.Windows.Visibility.Collapsed;
this.contributions._list.Items.Add(c);
}
}
else
{
////load the item
collection_item i = progress.loaded_items[progress.current_progress - 1];
collection_listbox_item cli2 = new collection_listbox_item();
//Image img = new Image();
if (window_manager.thumbnails.ContainsKey(i._contribution.id))
{
cli2.img.Source = window_manager.thumbnails[i._contribution.id];
cli2.img.Tag = i;
cli2.drag.Source = configurations.img_drag_icon;
}
else
{
cli2.img.Source = configurations.img_not_found_image_pic;
cli2.img.Tag = null;
}
this.contributions._list.Items.RemoveAt(progress.current_progress - 1);
this.contributions._list.Items.Insert(progress.current_progress - 1, cli2);
}
this.contributions._list.Items.Refresh();
}
catch (Exception) { }
}));
}
private bool start_drag(collection_listbox_item img, TouchDevice input)
{
if (img == null) return false;
Image i2 = new Image();
i2.Source = img.img.Source; i2.Stretch = Stretch.Uniform;
ContentControl cursorVisual = new ContentControl();
cursorVisual.Content = i2;
cursorVisual.Style = (FindResource("CursorStyle") as Style);
List<TouchDevice> devices = new List<TouchDevice>();
devices.Add(input);
foreach (TouchDevice touch in _list.TouchesCapturedWithin)
{
if (touch != input)
{
devices.Add(touch);
}
}
if (img.img.Tag == null) return false;
collection_item item = (collection_item)img.img.Tag;
log.WriteInteractionLog(4, "start dragging the contribution id: " + item._contribution.id, input);
Microsoft.Surface.Presentation.SurfaceDragCursor startDragOkay =
Microsoft.Surface.Presentation.SurfaceDragDrop.BeginDragDrop(
this._list, // The SurfaceListBox object that the cursor is dragged out from.
img, // The item object that is dragged from the drag source.
cursorVisual, // The visual element of the cursor.
item, // The data associated with the cursor.
devices, // The input devices that start dragging the cursor.
DragDropEffects.Copy); // The allowed drag-and-drop effects of the operation.
return (startDragOkay != null);
}
