test/NUITizenGallery/NUITizenGallery.cs

   1 using System;
   2 using System.Linq;
   3 using System.Collections.Generic;
   4 using Tizen.NUI;
   5 using Tizen.NUI.Components;
   6 using Tizen.NUI.BaseComponents;
   7 using Tizen.NUI.Binding;
   8 using System.Reflection;
   9
  10 namespace NUITizenGallery
  11 {
  12     public class SearchField : View
  13     {
  14         public TextField SearchTextField;
  15         public Button SearchButton;
  16         public SearchField() : base()
  17         {
  18             Layout = new LinearLayout()
  19             {
  20                 LinearOrientation = LinearLayout.Orientation.Horizontal,
  21                 LinearAlignment = LinearLayout.Alignment.CenterVertical,
  22                 CellPadding = new Size2D(40, 0),
  23             };
  24
  25             BackgroundColor = Color.White;
  26
  27             WidthSpecification = LayoutParamPolicies.MatchParent;
  28             HeightSpecification = LayoutParamPolicies.WrapContent;
  29             Padding = new Extents(64, 64, 0, 0);
  30
  31             var searchTextBox = CreateSearchText();
  32             SearchTextField = CreateTextField();
  33             var underline = CreateUnderline();
  34
  35             searchTextBox.Add(SearchTextField);
  36             searchTextBox.Add(underline);
  37
  38             SearchButton = CreateSearchButton();
  39
  40             Add(searchTextBox);
  41             Add(SearchButton);
  42         }
  43
  44         private View CreateSearchText()
  45         {
  46             return new View()
  47             {
  48                 Layout = new LinearLayout()
  49                 {
  50                     LinearOrientation = LinearLayout.Orientation.Vertical,
  51                     CellPadding = new Size2D(0, 20),
  52                 },
  53                 WidthSpecification = LayoutParamPolicies.MatchParent,
  54                 HeightSpecification = LayoutParamPolicies.WrapContent,
  55             };
  56         }
  57
  58         private TextField CreateTextField()
  59         {
  60             return new TextField()
  61             {
  62                 PlaceholderText = "Search",
  63                 WidthSpecification = LayoutParamPolicies.MatchParent,
  64                 HeightSpecification = LayoutParamPolicies.WrapContent,
  65                 MinimumSize = new Size2D(0, 40),
  66             };
  67         }
  68
  69         private View CreateUnderline()
  70         {
  71             return new View()
  72             {
  73                 BackgroundColor = new Color("#0A0E4AFF"),
  74                 WidthSpecification = LayoutParamPolicies.MatchParent,
  75                 HeightSpecification = 2,
  76             };
  77         }
  78
  79         private Button CreateSearchButton()
  80         {
  81             return new Button()
  82             {
  83                 Text = "Run",
  84                 WidthSpecification = 120,
  85                 HeightSpecification = LayoutParamPolicies.WrapContent,
  86             };
  87         }
  88     }
  89
  90     public class Gallery
  91     {
  92         public Gallery(string name, string fullName = null)
  93         {
  94             Name = name;
  95             FullName = fullName;
  96         }
  97
  98         public string Name { get; set; }
  99
 100         public string ViewLabel
 101         {
 102             get
 103             {
 104                 return Name;
 105             }
 106         }
 107
 108         public bool Selected { get; set; }
 109
 110         internal string FullName { get; set; }
 111     }
 112
 113     public class GalleryViewModel
 114     {
 115         public List<Tuple<string, string>> NamePool = new List<Tuple<string, string>>();
 116
 117         public GalleryViewModel()
 118         {
 119             //CreateData();
 120         }
 121
 122         public List<Gallery> CreateData()
 123         {
 124             GetXamlPages();
 125
 126             List<Gallery> result = new List<Gallery>();
 127             foreach (var name in NamePool)
 128             {
 129                 result.Add(new Gallery(name.Item1, name.Item2));
 130             }
 131             return result;
 132         }
 133
 134         private void GetXamlPages()
 135         {
 136             Assembly assembly = this.GetType().Assembly;
 137             Type exampleType = assembly.GetType("NUITizenGallery.IExample");
 138
 139             foreach (Type type in assembly.GetTypes())
 140             {
 141                 Console.WriteLine($"@@@ type.Name={type.Name}, type.FullName={type.FullName}");
 142                 if (exampleType.IsAssignableFrom(type) && type.Name != "SampleMain" && this.GetType() != type && type.IsClass)
 143                 {
 144                     NamePool.Add(new Tuple<string, string>(type.Name, type.FullName));
 145                 }
 146             }
 147         }
 148     }
 149
 150     public class CustomNavigator : Navigator
 151     {
 152         // Customizes how to handle back navigation.
 153         // base.OnBackNavigation() pops the peek page.
 154         protected override void OnBackNavigation(BackNavigationEventArgs args)
 155         {
 156             if (PageCount > 1)
 157             {
 158                 // Deactivates the peek page example before page pop.
 159                 if (Peek() is IExample currentExample)
 160                 {
 161                     currentExample.Deactivate();
 162                 }
 163             }
 164
 165             // Pops the peek page if navigator has more than one page.
 166             // If navigator has only one page, then the program is exited.
 167             base.OnBackNavigation(args);
 168         }
 169     }
 170
 171     class Program : NUIApplication
 172     {
 173         private Window window;
 174         private AppBar appBar;
 175         private View pageContent;
 176         private Navigator navigator;
 177         private CollectionView colView;
 178         private ItemSelectionMode selMode;
 179         private IExample currentExample = null;
 180         private ContentPage page;
 181         private SearchField field;
 182         private List<Gallery> testSource;
 183
 184         public void OnSelectionChanged(object sender, SelectionChangedEventArgs ev)
 185         {
 186             Console.WriteLine($"@@@ OnSelectionChanged() {ev.CurrentSelection}");
 187
 188             foreach (object item in ev.CurrentSelection)
 189             {
 190                 if (item == null)
 191                 {
 192                     break;
 193                 }
 194
 195                 var selItem = item as Gallery;
 196                 Console.WriteLine($"@@@ selItem.Name={selItem.Name}, selItem.FullName={selItem.FullName}");
 197                 RunSample(selItem?.FullName);
 198                 colView.SelectedItem = null;
 199             }
 200
 201             /* Use the following code when it is actually required.
 202             foreach (object item in ev.PreviousSelection)
 203             {
 204                 if (item == null)
 205                 {
 206                     break;
 207                 }
 208
 209                 var unselItem = item as Gallery;
 210             }
 211
 212             foreach (object item in ev.CurrentSelection)
 213             {
 214                 if (item == null)
 215                 {
 216                     break;
 217                 }
 218
 219                 var selItem = item as Gallery;
 220             }
 221             */
 222         }
 223
 224         protected override void OnCreate()
 225         {
 226             base.OnCreate();
 227             Initialize();
 228             SetMainPage();
 229             pageContent.SizeHeight = Window.Instance.WindowSize.Height - appBar.SizeHeight;
 230         }
 231         private void Initialize()
 232         {
 233             window = GetDefaultWindow();
 234             window.Title = "NUITizenGallery";
 235
 236             // In this example, GetDefaultNavigator() has not been called before so default navigator has not been set yet.
 237             // Therefore, the following codes for unsetting and disposing the previous default navigator are not required in this example.
 238             /*
 239             var prevDefaultNavigator = window.GetDefaultNavigator();
 240             window.Remove(prevDefaultNavigator);
 241             prevDefaultNavigator.Dispose();
 242             prevDefaultNavigator = null;
 243             */
 244
 245             // Uses customized navigator to customize how to handle back navigation.
 246             navigator = new CustomNavigator()
 247             {
 248                 WidthSpecification = LayoutParamPolicies.MatchParent,
 249                 HeightSpecification = LayoutParamPolicies.MatchParent,
 250             };
 251
 252             // Sets the customized navigator as the default navigator of the window.
 253             window.SetDefaultNavigator(navigator);
 254         }
 255
 256         void OnSearchBtnClicked(object sender, ClickedEventArgs e)
 257         {
 258             var filteredSource = from filter in testSource
 259                                  where filter.Name.ToLower().Contains(field.SearchTextField?.Text?.ToLower())
 260                                  select filter;
 261
 262             colView.Header = new DefaultTitleItem()
 263             {
 264                 Text = "result",
 265                 WidthSpecification = LayoutParamPolicies.MatchParent,
 266             };
 267             colView.ItemsSource = filteredSource;
 268         }
 269
 270         private void SetMainPage()
 271         {
 272             appBar = new AppBar()
 273             {
 274                 Title = "NUI Tizen Gallery",
 275                 AutoNavigationContent = false,
 276             };
 277
 278             var appBarStyle = ThemeManager.GetStyle("Tizen.NUI.Components.AppBar");
 279             var moreButton = new Button(((AppBarStyle)appBarStyle).BackButton);
 280             moreButton.Icon.ResourceUrl = Tizen.Applications.Application.Current.DirectoryInfo.Resource + "menu.png";
 281             appBar.NavigationContent = moreButton;
 282
 283
 284             pageContent = new View()
 285             {
 286                 Layout = new LinearLayout()
 287                 {
 288                     LinearOrientation = LinearLayout.Orientation.Vertical,
 289                 },
 290                 WidthSpecification = LayoutParamPolicies.MatchParent,
 291                 HeightSpecification = LayoutParamPolicies.MatchParent,
 292             };
 293
 294             field = new SearchField()
 295             {
 296                 WidthSpecification = LayoutParamPolicies.MatchParent,
 297             };
 298             field.SearchButton.Clicked += OnSearchBtnClicked;
 299
 300             testSource = new GalleryViewModel().CreateData();
 301             selMode = ItemSelectionMode.SingleAlways;
 302             var myTitle = new DefaultTitleItem()
 303             {
 304                 Text = "TestCase",
 305                 WidthSpecification = LayoutParamPolicies.MatchParent,
 306             };
 307
 308             colView = new CollectionView()
 309             {
 310                 ItemsSource = testSource,
 311                 ItemsLayouter = new LinearLayouter(),
 312                 ItemTemplate = new DataTemplate(() =>
 313                 {
 314                     DefaultLinearItem item = new DefaultLinearItem()
 315                     {
 316                         WidthSpecification = LayoutParamPolicies.MatchParent,
 317                     };
 318                     item.Label.SetBinding(TextLabel.TextProperty, "ViewLabel");
 319                     item.Label.HorizontalAlignment = HorizontalAlignment.Begin;
 320                     return item;
 321                 }),
 322                 Header = myTitle,
 323                 ScrollingDirection = ScrollableBase.Direction.Vertical,
 324                 HideScrollbar = false,
 325                 WidthSpecification = LayoutParamPolicies.MatchParent,
 326                 HeightSpecification = LayoutParamPolicies.MatchParent,
 327                 SelectionMode = selMode,
 328             };
 329             colView.SelectionChanged += OnSelectionChanged;
 330
 331             pageContent.Add(field);
 332             pageContent.Add(colView);
 333
 334             page = new ContentPage()
 335             {
 336                 AppBar = appBar,
 337                 Content = pageContent,
 338             };
 339             navigator.Push(page);
 340         }
 341
 342         private void RunSample(string name)
 343         {
 344             IExample example = typeof(Program).Assembly?.CreateInstance(name) as IExample;
 345
 346             Console.WriteLine($"@@@ typeof(Program).Assembly={typeof(Program).Assembly}, name={name}");
 347
 348             if (example != null)
 349             {
 350                 example.Activate();
 351             }
 352             else
 353             {
 354                 Console.WriteLine($"@@@ examle is null!");
 355             }
 356             currentExample = example;
 357         }
 358
 359         private void ExitSample()
 360         {
 361             currentExample?.Deactivate();
 362             currentExample = null;
 363
 364             FullGC();
 365         }
 366
 367         private void FullGC()
 368         {
 369             global::System.GC.Collect();
 370             global::System.GC.WaitForPendingFinalizers();
 371             global::System.GC.Collect();
 372         }
 373
 374         static void Main(string[] args)
 375         {
 376             string[] emptyArgs = new string[0];
 377             foreach(string arg in args)
 378             {
 379                 Console.WriteLine(arg);
 380                 if (arg.ToString() == "--implicit-scaling-factor")
 381                 {
 382                     Console.WriteLine("NOTE: Scaling Factor is implicitly declaired as 1.5");
 383                     System.Environment.SetEnvironmentVariable("NUI_SCALING_FACTOR","1.5");
 384                 }
 385             }
 386
 387             var app = new Program();
 388             app.Run(args);
 389         }
 390     }
 391 }