protected override void OnApplyTemplate()
{
this.gridView = this.GetTemplateChild("PART_GridView") as GridView;
if (this.gridView == null)
{
throw new ArgumentException("Template must contains a GridView named PART_GridView");
}
this.gridView.Loaded += (s, e) =>
{
if (this.wrapGrid == null)
{
this.wrapGrid = TreeHelper.FindVisualChild <WrapGrid>(this.gridView);
this.SetupWrapGrid();
}
// select SelectedItem between the ComboBox and the inner GridView
this.gridView.SelectionChanged -= this.OnGridViewSelectionChanged;
this.gridView.SelectedItem = this.SelectedItem;
this.gridView.SelectionChanged += this.OnGridViewSelectionChanged;
this.gridView.ItemTemplateSelector = new GridViewPopupContentItemSelector
{
Template = this.ItemTemplate,
CreateItemTemplate = this.CreateItemTemplate
};
};
base.OnApplyTemplate();
}
private void ItemsPanel_Loaded(object sender, RoutedEventArgs e)
{
// Avoid walking the Visual Tree on each Size change.
_itemsPanel = sender as WrapGrid;
// Initialize itemsPanel.
AdjustItemsPanel();
}
public static void ReplacePreviewImage(WrapGrid area, PreviewArea preview, Picture pic)
{
using (Bitmap bitmap = new Bitmap(pic.Path))
{
preview.SetImage(bitmap);
preview.SetPictureInfo(pic.Name.GetText(), bitmap.Width, bitmap.Height);
}
area.GetArea().SetFocus();
}
public PreviewArea(WrapGrid area)
{
_wrapLink = area;
SetSizePolicy(SizePolicy.Expand, SizePolicy.Expand);
SetSpacing(0, 5);
SetAlignment(ItemAlignment.Left, ItemAlignment.Top);
SetPadding(0, 0, 0, 0);
SetBackground(20, 20, 20);
SetMinHeight(100);
}
/// <summary>
/// Invoked when the wrap grid is loaded.
/// </summary>
/// <param name="sender">The warp frip that is loaded.</param>
/// <param name="e">Event data that describes the load event.</param>
void WrapGrip_Loaded(object sender, RoutedEventArgs e)
{
// On desktop set the number of view items per row to 4
WrapGrid wrapGrid = sender as WrapGrid;
if (wrapGrid != null)
{
if (!Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))
{
wrapGrid.MaximumRowsOrColumns = 4;
}
}
}
public static String GetPicturePath(WrapGrid area, String name)
{
List <IBaseItem> list = area.GetListContent();
foreach (IBaseItem item in list)
{
Picture tmp = item as Picture;
if (tmp != null)
{
if (tmp.Name.GetText().Equals(name))
{
return(tmp.Path);
}
}
}
return(String.Empty);
}
private static int InitGrid(IntPtr L)
{
int result;
try
{
ToLua.CheckArgsCount(L, 1);
WrapGrid wrapGrid = (WrapGrid)ToLua.CheckObject(L, 1, typeof(WrapGrid));
wrapGrid.InitGrid();
result = 0;
}
catch (Exception e)
{
result = LuaDLL.toluaL_exception(L, e, null);
}
return(result);
}
// implement ActiveWindow class
public override void InitWindow()
{
// add style for our Picture class to the current theme
DefaultsService.GetDefaultTheme().AddDefaultCustomItemStyle(typeof(Picture), StyleFactory.GetPictureStyle());
// slightly change style for WrapGrid
StyleFactory.UpdateWrapGridStyle();
// window attr
SetParameters("MainWindow", "StylingExample", 800, 600);
SetAntiAliasingQuality(MSAA.MSAA8x);
// create WrapGrid as main layout
WrapGrid layout = new WrapGrid(160, 120, Orientation.Horizontal);
layout.SetStretch(true);
// add WrapGrid to window
AddItem(layout);
// create and add 8 Picture items, the style for Picture class is automatically applied from the current theme
layout.AddItems(
new Picture(DefaultsService.GetDefaultImage(EmbeddedImage.User, EmbeddedImageSize.Size64x64),
"User Image"),
new Picture(DefaultsService.GetDefaultImage(EmbeddedImage.Add, EmbeddedImageSize.Size64x64),
"Add Image"),
new Picture(DefaultsService.GetDefaultImage(EmbeddedImage.Eraser, EmbeddedImageSize.Size64x64),
"Eraser Image"),
new Picture(DefaultsService.GetDefaultImage(EmbeddedImage.Filter, EmbeddedImageSize.Size64x64),
"Filter Image"),
new Picture(DefaultsService.GetDefaultImage(EmbeddedImage.Gear, EmbeddedImageSize.Size64x64),
"Gear Image"),
new Picture(DefaultsService.GetDefaultImage(EmbeddedImage.Home, EmbeddedImageSize.Size64x64),
"Home Image"),
new Picture(DefaultsService.GetDefaultImage(EmbeddedImage.Refresh, EmbeddedImageSize.Size64x64),
"Refresh Image"),
new Picture(DefaultsService.GetDefaultImage(EmbeddedImage.Pencil, EmbeddedImageSize.Size64x64),
"Pencil Image")
);
}
protected override void OnApplyTemplate()
{
this.gridView = this.GetTemplateChild("PART_GridView") as GridView;
if (this.gridView == null)
{
throw new ArgumentException("Template must contains a GridView named PART_GridView");
}
this.gridView.Loaded += (s, e) =>
{
if (this.wrapGrid == null)
{
this.wrapGrid = TreeHelper.FindVisualChild <WrapGrid>(this.gridView);
this.SetupWrapGrid();
}
// select SelectedItem between the ComboBox and the inner GridView
this.gridView.SelectionChanged -= this.OnGridViewSelectionChanged;
this.gridView.SelectedItem = this.SelectedItem;
this.gridView.SelectionChanged += this.OnGridViewSelectionChanged;
};
this.popup = this.GetTemplateChild("Popup") as Popup;
if (this.popup == null)
{
throw new ArgumentException("Template must contains a GridView named Popup");
}
this.popup.Opened += this.OnPopupOpened;
this.popupBorder = this.GetTemplateChild("PopupBorder") as Border;
if (this.popupBorder == null)
{
throw new ArgumentException("Template must contains a Border named PopupBorder");
}
base.OnApplyTemplate();
}
public override void InitWindow()
{
SetParameters(nameof(MainWindow), nameof(MainWindow), 1240, 750, false);
IsCentered = true;
var icon = new Bitmap(Assembly.GetExecutingAssembly().GetManifestResourceStream("SimpleImageViewer.Resources.icon.png"));
TitleBar title = new TitleBar("Simple Image Viewer - C#");
title.SetIcon(icon, 24, 24);
title.SetPadding(4, 0, 5, 0);
Frame layout = new Frame();
layout.SetMargin(0, title.GetHeight(), 0, 0);
layout.SetPadding(0, 0, 0, 0);
layout.SetSpacing(6);
layout.SetBackground(60, 60, 60);
VerticalStack vToolbar = new VerticalStack();
vToolbar.SetWidthPolicy(SizePolicy.Fixed);
vToolbar.SetWidth(30);
vToolbar.SetBackground(32, 32, 32);
vToolbar.SetPadding(0, 30, 0, 0);
HorizontalSplitArea splitArea = new HorizontalSplitArea();
splitArea.SetMargin(vToolbar.GetWidth(), 0, 0, 0);
splitArea.SetSplitThickness(5);
imageArea = new WrapGrid(160, 120, Orientation.Horizontal);
imageArea.SetBackground(Color.Transparent);
imageArea.SetPadding(15, 6, 6, 6);
imageArea.GetArea().SetSpacing(6, 6);
imageArea.VScrollBar.SetStyle(Style.GetSimpleVerticalScrollBarStyle());
imageArea.SetStretch(true);
previewArea = new PreviewArea(imageArea);
side = new AlbumSideList(this, Side.Left, imageArea, previewArea);
side.SetAreaSize(400);
Album defaultAlbum = new Album("MyPictures", Environment.GetFolderPath(Environment.SpecialFolder.UserProfile) + Path.DirectorySeparatorChar + "Pictures");
defaultAlbum.OnDoubleClick += (sender) =>
{
side.Hide();
Model.FillImageArea(this, imageArea, previewArea, (sender as Album).GetPath());
};
side.AddAlbum(defaultAlbum);
ButtonCore btnSideAreaShow = new ButtonCore();
btnSideAreaShow.SetStyle(CustomStyles.GetButtonStyle());
ButtonCore btnOpenFolder = new ButtonCore();
btnOpenFolder.SetStyle(CustomStyles.GetButtonStyle());
ButtonCore btnAddAlbum = new ButtonCore();
btnAddAlbum.SetStyle(CustomStyles.GetButtonStyle());
//adding
AddItems(
title,
layout
);
layout.AddItems(
vToolbar,
splitArea
);
splitArea.AssignTopItem(previewArea);
splitArea.AssignBottomItem(imageArea);
splitArea.SetSplitPosition(300);
vToolbar.AddItems(
btnSideAreaShow,
btnOpenFolder,
btnAddAlbum
);
btnSideAreaShow.AddItem(new ImageItem(DefaultsService.GetDefaultImage(EmbeddedImage.Lines, EmbeddedImageSize.Size32x32), false));
btnOpenFolder.AddItem(new ImageItem(DefaultsService.GetDefaultImage(EmbeddedImage.Folder, EmbeddedImageSize.Size32x32), false));
btnAddAlbum.AddItem(new ImageItem(DefaultsService.GetDefaultImage(EmbeddedImage.Import, EmbeddedImageSize.Size32x32), false));
//events
EventDrop += (sender, args) =>
{
if (side.IsHide)
{
if (File.GetAttributes(args.Paths[0]).HasFlag(FileAttributes.Directory))
{
Model.FillImageArea(this, imageArea, previewArea, args.Paths[0]);
}
}
else
{
foreach (String path in args.Paths)
{
if (File.GetAttributes(path).HasFlag(FileAttributes.Directory))
{
Album album = new Album(new DirectoryInfo(path).Name, path);
side.AddAlbum(album);
album.OnDoubleClick += (s) =>
{
side.Hide();
Model.FillImageArea(this, imageArea, previewArea, (s as Album).GetPath());
};
}
}
}
};
btnSideAreaShow.EventMouseClick += (sender, args) =>
{
side.Show();
};
btnOpenFolder.EventMouseClick += (sender, args) =>
{
OpenEntryDialog browse = new OpenEntryDialog("Open Folder:", FileSystemEntryType.Directory, OpenDialogType.Open);
browse.OnCloseDialog += () =>
{
Model.FillImageArea(this, imageArea, previewArea, browse.GetResult());
};
browse.Show(this);
};
imageArea.EventScrollUp += (sender, args) =>
{
if (args.Mods.HasFlag(KeyMods.Control))
{
int w = imageArea.GetCellWidth() + 8;
int h = imageArea.GetCellHeight() + 6;
if (w > 400)
{
return;
}
imageArea.SetCellSize(w, h);
}
};
imageArea.EventScrollDown += (sender, args) =>
{
if (args.Mods.HasFlag(KeyMods.Control))
{
int w = imageArea.GetCellWidth() - 8;
int h = imageArea.GetCellHeight() - 6;
if (w < 160)
{
return;
}
imageArea.SetCellSize(w, h);
}
};
btnAddAlbum.EventMouseClick += (sender, args) =>
{
OpenEntryDialog browse = new OpenEntryDialog("Open Folder:", FileSystemEntryType.Directory, OpenDialogType.Open);
browse.OnCloseDialog += () =>
{
if (browse.GetResult() == null || browse.GetResult() == String.Empty)
{
return;
}
Album album = new Album(new DirectoryInfo(browse.GetResult()).Name, browse.GetResult());
side.AddAlbum(album);
album.OnDoubleClick += (s) =>
{
side.Hide();
Model.FillImageArea(this, imageArea, previewArea, (s as Album).GetPath());
};
};
browse.Show(this);
};
EventOnStart += () =>
{
Model.FillImageArea(this, imageArea, previewArea,
Environment.GetFolderPath(Environment.SpecialFolder.UserProfile) + Path.DirectorySeparatorChar + "Pictures");
}
}
public static void FillImageArea(CoreWindow handler, WrapGrid area, PreviewArea preview, String directory)
{
if (directory == null || directory == String.Empty)
{
return;
}
LoadingScreen screen = new LoadingScreen();
screen.Show(handler);
Task thread = new Task(() =>
{
area.Clear();
DirectoryInfo d = new DirectoryInfo(directory);
FileInfo[] files = d.GetFiles();
List <Picture> list = new List <Picture>();
int count = files.Length;
int index = 0;
Parallel.ForEach(files, (f) =>
{
index++;
if (CheckExtensionFilter(f))
{
Bitmap img = new Bitmap(f.FullName);
Bitmap dBitmap = DownScaleBitmap(img, 170, 100);
Picture pic = new Picture(dBitmap, f.Name, f.FullName);
pic.EventMouseClick += (sender, args) =>
{
ReplacePreviewImage(area, preview, pic);
};
pic.EventKeyPress += (sender, args) =>
{
if (args.Key == KeyCode.Enter)
{
ReplacePreviewImage(area, preview, pic);
}
};
dBitmap.Dispose();
img.Dispose();
list.Add(pic);
}
float persent = ((float)index / (float)count) * 100.0f;
screen.SetValue((int)persent);
});
if (list.Count == 0)
{
screen.SetToClose();
return;
}
list.Sort();
foreach (var item in list)
{
area.AddItem(item);
}
Random rnd = new Random();
int fileIndex = rnd.Next(0, list.Count);
using (Bitmap img = new Bitmap(list[fileIndex].Path))
{
preview.SetImage(img);
preview.SetPictureInfo(new FileInfo(list[fileIndex].Path).Name, img.Width, img.Height);
}
screen.SetToClose();
});
thread.Start();
}
public AlbumSideList(CoreWindow handler, Side attachSide, WrapGrid area, PreviewArea preview) : base(handler, attachSide)
{
_area = area;
_preview = preview;
}
