protected override void PrepareContainerForItemOverride(DependencyObject element, object item)
{
CustomGridViewItemInfo tile = item as CustomGridViewItemInfo;
if (tile != null)
{
GridViewItem griditem = element as GridViewItem;
if (griditem != null)
{
griditem.HorizontalContentAlignment = Windows.UI.Xaml.HorizontalAlignment.Stretch;
griditem.VerticalContentAlignment = Windows.UI.Xaml.VerticalAlignment.Stretch;
if (this.LayoutSize == LayoutSize.Small && tile.ExampleHighlightInfo != null)
{
this.SetRowAndColumnSpan(griditem, 3, 3);
}
else if (this.LayoutSize == LayoutSize.Medium && tile.ColumnSpan >= 4)
{
this.SetRowAndColumnSpan(griditem, tile.RowSpan - 2, tile.ColumnSpan - 2);
}
else
{
this.SetRowAndColumnSpan(griditem, tile.RowSpan, tile.ColumnSpan);
}
}
}
base.PrepareContainerForItemOverride(element, item);
}
//
public virtual void PopulatePropertyList(ElementProperty prop)
{
// Remove Observer
m_GridView.SetDataChangeObserver(null);
m_GridView.RemoveAll();
PropertyObject propObj = null;
GridViewItem itemSub = null;
prop.InitPropertyMap();
// Use var keyword to enumerate dictionary
foreach (var pair in prop.List)
{
propObj = pair.Value;
m_GridView.AddItem(0, 0, propObj.Name);
itemSub = m_GridView.AddItem(0, 1, "", propObj.Type);
itemSub.m_ItemData = propObj;
// May be not necessary if use this in the object itself..
//SetProValues(prop, propObj.Name, itemSub);
itemSub.m_Data = propObj.List;
}
// Will be used as Adapter object's data
m_GridView.Tag = prop;
m_GridView.SetDataChangeObserver(this);
}
private void Image_PointerEntered(object sender, Windows.UI.Xaml.Input.PointerRoutedEventArgs e)
{
Image senderImg = sender as Image;
senderImg.Blur(value: 0, duration: 100, delay: 0).StartAsync();
//senderImg.Scale(centerX: 50.0f, centerY: 50.0f, scaleX: 3.0f, scaleY: 3.0f, duration: 100, delay: 0).StartAsync();
Grid itemGrid = VisualTreeHelper.GetParent(senderImg) as Grid;
ListViewItemPresenter lvip = VisualTreeHelper.GetParent(itemGrid) as ListViewItemPresenter;
GridViewItem gvi = VisualTreeHelper.GetParent(lvip) as GridViewItem;
ItemsWrapGrid grid = VisualTreeHelper.GetParent(gvi) as ItemsWrapGrid;
string senderAutomationId = AutomationProperties.GetAutomationId(senderImg);
foreach (GridViewItem item in grid.Children)
{
ListViewItemPresenter lviPresenter = VisualTreeHelper.GetChild(item, 0) as ListViewItemPresenter;
Grid imageGrid = VisualTreeHelper.GetChild(lviPresenter, 0) as Grid;
Image image = VisualTreeHelper.GetChild(imageGrid, 0) as Image;
string imageAutomationId = AutomationProperties.GetAutomationId(image);
if (imageAutomationId != senderAutomationId)
{
image.Blur(value: 2.5, duration: 300, delay: 0).StartAsync();
//image.Scale(centerX: 0.0f, centerY: 0.0f, scaleX: 1.0f, scaleY: 1.0f, duration: 100, delay: 0).StartAsync();
}
}
}
private void NumberBox_ValueChanged(Microsoft.UI.Xaml.Controls.NumberBox sender, Microsoft.UI.Xaml.Controls.NumberBoxValueChangedEventArgs args)
{
if (StyledGridIWG == null)
{
return;
}
// Only update either max-row value or margins
if (sender == WrapItemCount)
{
StyledGridIWG.MaximumRowsOrColumns = (int)WrapItemCount.Value;
return;
}
int rowSpace = (int)RowSpace.Value;
int columnSpace = (int)ColumnSpace.Value;
for (int i = 0; i < StyledGrid.Items.Count; i++)
{
GridViewItem item = StyledGrid.ContainerFromIndex(i) as GridViewItem;
Thickness NewMargin = item.Margin;
NewMargin.Left = columnSpace;
NewMargin.Top = rowSpace;
NewMargin.Right = columnSpace;
NewMargin.Bottom = rowSpace;
item.Margin = NewMargin;
}
}
private void StyledGrid_IncreaseColSpace(object sender, RoutedEventArgs e)
{
ActualColSpace += 1;
// Update text box with newly increased value
ColSpace.Text = ActualColSpace.ToString();
ColSpace.PlaceholderText = ActualColSpace.ToString();
ColSpacesDec.IsEnabled = true;
// Increase left/right margin on all GridViewItems
for (int i = 0; i < StyledGrid.Items.Count; i++)
{
GridViewItem item = StyledGrid.ContainerFromIndex(i) as GridViewItem;
// Create a Thickness property to bind to each item's Margin property.
// Use existing margin and only change relevant values (left/right)
Thickness NewMargin = item.Margin;
NewMargin.Left = item.Margin.Left + 1;
NewMargin.Right = item.Margin.Right + 1;
item.Margin = NewMargin;
}
NotifyPropertyChanged();
}
public void PreserveFocus()
{
//requires SelectionMode = Single
var selection = stationsGridView.SelectedItem;
focusedItem = (GridViewItem)stationsGridView.ContainerFromItem(selection);
}
protected override void SetSelectedItemsOnUi(List <ListedItem> selectedItems)
{
// To prevent program from crashing when the page is first loaded
if (selectedItems.Count > 0)
{
foreach (ListedItem listedItem in FileList.Items)
{
GridViewItem gridViewItem = FileList.ContainerFromItem(listedItem) as GridViewItem;
if (gridViewItem != null)
{
List <Grid> grids = new List <Grid>();
Interaction.FindChildren <Grid>(grids, gridViewItem);
var rootItem = grids.Find(x => x.Tag?.ToString() == "ItemRoot");
rootItem.CanDrag = selectedItems.Contains(listedItem);
}
}
}
// Required to check if sequences are equal, if not it will result in an infinite loop
// between the UI Control and the BaseLayout set function
if (Enumerable.SequenceEqual <ListedItem>(FileList.SelectedItems.Cast <ListedItem>(), selectedItems))
{
return;
}
FileList.SelectedItems.Clear();
foreach (ListedItem selectedItem in selectedItems)
{
FileList.SelectedItems.Add(selectedItem);
}
FileList.UpdateLayout();
}
// Code not in use. a Old solution i had for the gridview
/// <summary>
/// Creates the book cover.
/// </summary>
/// <param name="url">The URL.</param>
/// <returns></returns>
public GridViewItem CreateBookCover(string url)
{
GridViewItem gridViewItem = new GridViewItem();
gridViewItem.Content = CreateImage(url);
return(gridViewItem);
}
private async void FileList_ChoosingItemContainer(ListViewBase sender, ChoosingItemContainerEventArgs args)
{
// This resizes the items after the item template has been changed and reloaded
if (itemTemplateChanging)
{
itemTemplateChanging = false;
Behaviors.StretchedGridViewItems.ResizeItems(FileList);
}
if (args.ItemContainer == null)
{
GridViewItem gvi = new GridViewItem();
args.ItemContainer = gvi;
}
args.ItemContainer.DataContext = args.Item;
InitializeDrag(args.ItemContainer);
if (args.Item is ListedItem item && !item.ItemPropertiesInitialized)
{
args.ItemContainer.PointerPressed += FileListGridItem_PointerPressed;
args.ItemContainer.CanDrag = args.ItemContainer.IsSelected; // Update CanDrag
item.ItemPropertiesInitialized = true;
await ParentShellPageInstance.FilesystemViewModel.LoadExtendedItemProperties(item, currentIconSize);
}
}
private void ThumbnailList_Click(object sender, ItemClickEventArgs e)
{
GridView gridView = (GridView)sender;
GridViewItem item = (GridViewItem)gridView.ContainerFromItem(e.ClickedItem);
CompositionImage image = VisualTreeHelperExtensions.GetFirstDescendantOfType <CompositionImage>(item);
// We are about to transition to a new page. Cancel any outstanding transitions.
if (_currentTransition != null)
{
if (!_currentTransition.Completed)
{
_currentTransition.Cancel();
}
_currentTransition = null;
}
DetailsInfo info;
info.thumbanil = (Thumbnail)e.ClickedItem;
// Setup the new transition and trigger the navigation
ConnectedTransition transition = new ConnectedTransition();
transition.Initialize(Frame, image, info);
Frame.Navigate(typeof(CustomConnectedAnimationDetail), transition);
}
private void CreateSymbolList()
{
GridView gridView = new GridView();
foreach (Symbol bol in Enum.GetValues(typeof(Symbol)))
{
StackPanel sp = new StackPanel {
Width = 100, Height = 100
};
sp.Children.Add(new SymbolIcon(bol)
{
Foreground = new SolidColorBrush(Windows.UI.Colors.AntiqueWhite),
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch, Margin = new Thickness(0, 33, 0, 0)
});
sp.Children.Add(new TextBlock {
Text = bol.ToString(), Foreground = new SolidColorBrush(Windows.UI.Colors.AntiqueWhite), TextAlignment = TextAlignment.Center, HorizontalAlignment = HorizontalAlignment.Stretch
});
GridViewItem item = new GridViewItem
{
Content = sp
};
gridView.Items.Add(item);
}
symbolPivotItem.Content = gridView;
}
private void EndRename(TextBox textBox)
{
if (textBox == null || textBox.Parent == null)
{
// Navigating away, do nothing
}
else if (FolderSettings.LayoutMode == FolderLayoutModes.GridView)
{
Popup popup = textBox.Parent as Popup;
TextBlock textBlock = (popup.Parent as Grid).Children[1] as TextBlock;
popup.IsOpen = false;
}
else if (FolderSettings.LayoutMode == FolderLayoutModes.TilesView)
{
Grid grid = textBox.Parent as Grid;
TextBlock textBlock = grid.Children[0] as TextBlock;
textBox.Visibility = Visibility.Collapsed;
textBlock.Visibility = Visibility.Visible;
}
textBox.LostFocus -= RenameTextBox_LostFocus;
textBox.KeyDown -= RenameTextBox_KeyDown;
FileNameTeachingTip.IsOpen = false;
IsRenamingItem = false;
// Re-focus selected list item
GridViewItem gridViewItem = FileList.ContainerFromItem(RenamingItem) as GridViewItem;
gridViewItem?.Focus(FocusState.Programmatic);
}
private void btnGo_Click(object sender, RoutedEventArgs e)
{
if (!_user.IsAdmin)
{
btnAddToCart.Visibility = Visibility.Visible;
}
if (gvSearch.Items != null)
{
gvSearch.Items.Clear();
}
gvSearch.Visibility = Visibility.Visible;
lblSR.Visibility = Visibility.Visible;
foreach (var h in data.Services.Where(h => h.Type.Name.ToLower() == "hotel"))
{
if (!h.ServiceValues.Any(namai => namai.Value.Contains(txtHotel.Text)))
{
continue;
}
var g = new GridViewItem
{
Name = "" + h.Id,
Content = h.ToString(),
Width = 300,
Height = 150
};
if (gvSearch.Items != null)
{
gvSearch.Items.Add(g);
}
}
}
private void Button_PreviewKeyDown(object sender, KeyRoutedEventArgs e)
{
list.UpdateLayout();
switch (e.Key)
{
case VirtualKey.Down:
case VirtualKey.GamepadDPadDown:
case VirtualKey.GamepadLeftThumbstickDown:
//Stores all gridviews(one row enabled)
if (listRivers.Count == 0)
listRivers = TreeHelper.FindVisualChildren<GridView>(list);
//Stores the selected index item of each river
if (listIndexsInEachRiver == null || listIndexsInEachRiver.Count == 0)
{
listIndexsInEachRiver = new List<int>();
foreach (var item in listRivers)
{
listIndexsInEachRiver.Add(item.SelectedIndex);
}
}
if (list != null && list.Items.Count > 0)
{
//Find the first river, including a textblock and a adaptive gridview
var firstRiver = list.ContainerFromIndex(0) as ListViewItem;
var gridview = TreeHelper.FindVisualChild<GridView>(firstRiver);
if (gridview != null && gridview.Items.Count > 0)
{
GridViewItem item = new GridViewItem();
if (listIndexsInEachRiver[0] == -1)
{
item = gridview.ContainerFromIndex(0) as GridViewItem;
listIndexsInEachRiver[0] = 0;
}
else
{
item = gridview.ContainerFromIndex(listIndexsInEachRiver[0]) as GridViewItem;
listIndexsInEachRiver[0] = gridview.SelectedIndex;
}
item.Focus(FocusState.Programmatic);
item.IsSelected = true;
e.Handled = true;
}
}
e.Handled = true;
break;
case VirtualKey.Up:
case VirtualKey.GamepadDPadUp:
case VirtualKey.GamepadLeftThumbstickUp:
//Do nothing
e.Handled = true;
break;
default:
break;
}
}
private void InitMoreInfoContentContainer(GridViewItem container)
{
if (MoreInfoContent == null)
{
return;
}
var point = container.TransformToVisual(this).TransformPoint(new Windows.Foundation.Point(0, 0));
var x = point.X - ((MoreInfoContent.Width - container.ActualWidth) / 2);
var y = point.Y - ((MoreInfoContent.Height - container.ActualHeight) / 2);
x = Math.Max(x, 10);
x = Math.Min(x, ActualWidth - MoreInfoContent.Width - 10);
y = Math.Max(y, 10);
y = Math.Min(y, ActualHeight - MoreInfoContent.Height - 10);
Canvas.SetLeft(MoreInfoContent, x);
Canvas.SetTop(MoreInfoContent, y);
var centerX = (point.X + (container.ActualWidth / 2)) - x;
var centerY = (point.Y + (container.ActualHeight / 2)) - y;
VisualExtensions.SetCenterPoint(MoreInfoContent, new Vector3((float)centerX, (float)centerY, 0).ToString());
}
private void ucitajRaspored(object obj)
{
GridView gridViewRaspored = (GridView)obj;
double sirina_celije = 50;
double visina_celije = 50;
int broj_redova = raspored.raspored.GetUpperBound(0) + 1;
int broj_kolona = raspored.raspored.GetUpperBound(1) + 1;
gridViewRaspored.Width = sirina_celije * (broj_redova) + 40;
for (int i = 0; i < broj_redova; i++)
{
for (int j = 0; j < broj_kolona; j++)
{
GridViewItem gvItem = new GridViewItem();
gvItem.Width = sirina_celije;
gvItem.Height = visina_celije;
if (raspored.raspored[i, j])
{
gvItem.Background = new SolidColorBrush(Colors.Red);
}
else
{
gvItem.Background = new SolidColorBrush(Colors.LightGreen);
}
gvItem.Content = i * 10 + j;
gridViewRaspored.Items.Add(gvItem);
}
}
}
/// <summary>
/// 將媒體櫃放入分鏡腳本
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void MediaScriptList_Drop(object sender, DragEventArgs e)
{
var guid = await e.Data.GetView().GetTextAsync("MediaDataGuid");
Media media = this.ViewModel.GridViewMediaCabinetList.FirstOrDefault(i => i.Guid.ToString() == guid);
StoryBoard storyBoard = new StoryBoard(media);
if (!this.ViewModel.GridViewStoryBoardScriptDataList.Any())
{
this.ViewModel.InsertStoryBoardIntoScript(0, storyBoard.MediaSource);
return;
}
var gridView = ((GridView)sender);
//Find the position where item will be dropped in the gridview
Point pos = e.GetPosition(gridView.ItemsPanelRoot);
//Get the size of one of the list items
GridViewItem gvi = (GridViewItem)gridView.ContainerFromIndex(0);
double itemHeight = gvi.ActualWidth + gvi.Margin.Left + gvi.Margin.Right;
//Determine the index of the item from the item position (assumed all items are the same size)
int index = Math.Min(gridView.Items.Count - 1, (int)(pos.X / itemHeight));
this.ViewModel.InsertStoryBoardIntoScript(index, storyBoard.MediaSource);
}
private async void GridViewPages_Loaded(object sender, RoutedEventArgs e)
{
await RunOnUIThreadAsync(CoreDispatcherPriority.High, () =>
{
if (GridViewPages.Items.Count >= 1)
{
int index = ViewModel.SelectedPageIndex;
// fix GridView initially fails to select item by binding
GridViewPages.SelectedIndex = index;
// try scroll to selected item
try
{
GridViewItem item = (GridViewItem)GridViewPages.ContainerFromIndex(index);
Guard.IsNotNull(item, nameof(item));
BringIntoViewOptions options = new BringIntoViewOptions
{
AnimationDesired = false,
};
item.StartBringIntoView(options);
}
catch (Exception exc)
{
ViewModel.AppCenterService.TrackError(exc);
}
}
});
}
public void VerifyDataContextOfDirectChildOfGridViewItemWithNullDataContext()
{
var gridViewItem = new GridViewItem();
AutomationProperties.SetName(gridViewItem, "Windows.UI.Xaml.Controls.Button");
var content = new Button()
{
DataContext = new Button()
};
gridViewItem.Content = content;
gridViewItem.DataContext = null;
App.Content = gridViewItem;
var directChild = VisualTreeHelper.GetChild(gridViewItem, 0) as FrameworkElement;
directChild.DataContext = null;
directChild = VisualTreeHelper.GetChild(directChild, 0) as FrameworkElement;
directChild.DataContext = null;
var peer = FrameworkElementAutomationPeer.CreatePeerForElement(gridViewItem);
var rule = new ListItemNameNotEqualDataContextRule();
Assert.IsTrue(rule.IsValid(gridViewItem, peer));
}
//Method used when one of the events on the page is updating the table and query
private void ItemBinding(DataView view)
{
//Sets the datasource of the webpage's Gridview to the TableBase object's returned Dataview from event methods.
GridViewItem.DataSource = view;
//Calls for the page to be updated and a postback
GridViewItem.DataBind();
}
private void GridViewItem_Tapped(object sender, TappedRoutedEventArgs e)
{
GridViewItem g = (GridViewItem)sender;
//Debug.WriteLine("TAG: " + g.Tag);
this.Frame.Navigate(typeof(ArduinoPage), g.Tag);
}
private void faceGridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.AddedItems != null && e.AddedItems.Any())
{
GridViewItem gridViewFaceItem = faceGridView.ContainerFromItem(e.AddedItems[0]) as GridViewItem;
gridViewFaceItem.Background = new SolidColorBrush(Windows.UI.Colors.Black);
gridViewFaceItem.Background.Opacity = 0.40;
//Show the image preview
thisFace = e.AddedItems.First() as Face;
FaceImagePreview.Source = thisFace.Image;
if (thisFace.IsDefault)
{
SetDefaultButton.IsEnabled = false;
}
else
{
SetDefaultButton.IsEnabled = true;
}
}
if (e.RemovedItems != null && e.RemovedItems.Any())
{
GridViewItem gridViewFaceItem = faceGridView.ContainerFromItem(e.RemovedItems[0]) as GridViewItem;
gridViewFaceItem.Background = new SolidColorBrush(Windows.UI.Colors.Transparent);
}
}
public void RestoreFocus()
{
if (focusedItem != null)
{
focusedItem.Focus(FocusState.Keyboard);
focusedItem = null;
}
}
private void bindItem()
{
string sql = "select * from TBQM_APLYFORITEM where CONTID='" + hfditem.Value + "'";
System.Data.DataTable dt = DBCallCommon.GetDTUsingSqlText(sql);
GridViewItem.DataSource = dt;
GridViewItem.DataBind();
}
private void AdaptiveGridViewControl_ItemClick(object sender, ItemClickEventArgs e)
{
var data = ((InstaBroadcast)e.ClickedItem);
GridViewItem itemAnimation = (GridViewItem)AdaptiveGridViewControl.ContainerFromItem(data);
ConnectedAnimationService.GetForCurrentView().PrepareToAnimate("Poster", itemAnimation);
MainPage.MainFrame.Navigate(typeof(StoryViewLive), data);
}
public void MapBook(GridViewItem item, Book book)
{
item.ID = book.ID;
item.Author = book.Author;
item.Name = book.Name;
item.Publisher = book.Publisher;
item.DatePublishing = book.DatePublishing;
}
private void Bosses_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
GridView item = (sender as GridView);
GridViewItem gvitem = item.ContainerFromItem(item.SelectedItem) as GridViewItem;
CheckBox CheckBox = FindControlHelper.FindChildControl <CheckBox>(gvitem, typeof(CheckBox), "BossSwitch");
CheckBox?.Focus(FocusState.Programmatic);
}
private void StyledGrid_ChangeCol(object sender, TextChangedEventArgs e)
{
try
{
// Make sure that value entered is a number
int newVal = Convert.ToInt32(ColSpace.Text.ToString());
// If empty or negative string, reset to 0.
if (ColSpace.Text.ToString() != "" && newVal >= 0)
{
ColSpacesDec.IsEnabled = true;
ColSpace.Text = ColSpace.Text.ToString();
ColSpace.PlaceholderText = ColSpace.Text.ToString();
// Create new Thickness object and update relevant parts of Margin property (top/bottom)
for (int i = 0; i < StyledGrid.Items.Count; i++)
{
GridViewItem item = StyledGrid.ContainerFromIndex(i) as GridViewItem;
Thickness NewMargin = item.Margin;
NewMargin.Left = Convert.ToInt32(ColSpace.Text);
NewMargin.Right = Convert.ToInt32(ColSpace.Text);
item.Margin = NewMargin;
}
}
else
{
ColSpace.Text = "";
ColSpace.PlaceholderText = "";
}
}
// If entered value not a number, reset to 0.
catch (FormatException)
{
// If clearing a text entry, reset margins to 0.
if (ColSpace.Text == "")
{
for (int i = 0; i < StyledGrid.Items.Count; i++)
{
GridViewItem item = StyledGrid.ContainerFromIndex(i) as GridViewItem;
Thickness NewMargin = item.Margin;
NewMargin.Left = 0;
NewMargin.Right = 0;
item.Margin = NewMargin;
}
ColSpacesDec.IsEnabled = false;
}
ColSpace.Text = "";
ColSpace.PlaceholderText = "0";
}
}
private void StoriesList_ItemClick(object sender, ItemClickEventArgs e)
{
var item = ((InstaReelFeed)e.ClickedItem);
GridViewItem itemAnimation = (GridViewItem)StoriesList.ContainerFromItem(item);
itemList = itemAnimation;
ConnectedAnimationService.GetForCurrentView().PrepareToAnimate("image", itemAnimation);
StoryFr.Navigate(typeof(StoryView.StoryViews), item);
}
private void selectAll_Unchecked(object sender, RoutedEventArgs e)
{
gridview.Items.ToList().ForEach(item =>
{
GridViewItem gi = gridview.ContainerFromItem(item) as GridViewItem;
var cb = (gi.ContentTemplateRoot as Grid).FindName("ItemSelectCB") as CheckBox;
cb.IsChecked = false;
});
}
