test/Tizen.NUI.Samples/Tizen.NUI.Samples/Samples/ScrollBarSample.cs

   1 using Tizen.NUI;
   2 using Tizen.NUI.BaseComponents;
   3 using Tizen.NUI.Components;
   4
   5 namespace Tizen.NUI.Samples
   6 {
   7     public class ScrollbarSample : IExample
   8     {
   9         private TextLabel text_nullstyle, text_style;
  10         private Button[] button = new Button[4];
  11         private ScrollBar[] scrollBar = new ScrollBar[3];
  12         private View root;
  13         private View top_parent, bottom_parent, null_style_parent, style_parent;
  14
  15         public void Activate()
  16         {
  17             Window window = NUIApplication.GetDefaultWindow();
  18             root = new View()
  19             {
  20                 Size = new Size(1920, 1080),
  21                 BackgroundColor = new Color(0.7f, 0.9f, 0.8f, 1.0f),
  22             };
  23             root.Layout = new LinearLayout() { LinearOrientation = LinearLayout.Orientation.Vertical };
  24             window.Add(root);
  25
  26             // TextLabel of Null style construction and Style construction
  27             CreateTopView();
  28
  29             // Buttons for moving thumbnail
  30             CreateBottomView();
  31         }
  32         private void CreateTopView()
  33         {
  34             top_parent = new View() { Size = new Size(1920, 540) };
  35             top_parent.Layout = new LinearLayout() { LinearOrientation = LinearLayout.Orientation.Horizontal };
  36             root.Add(top_parent);
  37             CreateNullStylePart();
  38             CreateStylePart();
  39         }
  40
  41         private void CreateNullStylePart()
  42         {
  43             null_style_parent = new View() { Size = new Size(960, 540) };
  44             null_style_parent.Layout = new LinearLayout() { LinearOrientation = LinearLayout.Orientation.Vertical, LinearAlignment = LinearLayout.Alignment.Center, CellPadding = new Size2D(0, 50) };
  45             top_parent.Add(null_style_parent);
  46
  47             // Add Textlabel of "Null style construction"
  48             text_nullstyle = new TextLabel();
  49             text_nullstyle.Size = new Size(400, 70);
  50             text_nullstyle.PointSize = 20;
  51             text_nullstyle.HorizontalAlignment = HorizontalAlignment.Center;
  52             text_nullstyle.VerticalAlignment = VerticalAlignment.Center;
  53             text_nullstyle.BackgroundColor = Color.Magenta;
  54             text_nullstyle.Text = "Null style construction";
  55             text_nullstyle.Focusable = true;
  56             null_style_parent.Add(text_nullstyle);
  57
  58             // Add ScrollBar of Null style construction
  59             scrollBar[0] = new ScrollBar();
  60             scrollBar[0].Size = new Size(400, 4);
  61             scrollBar[0].TrackColor = Color.Green;
  62             scrollBar[0].MaxValue = (int)scrollBar[0].SizeWidth / 10;
  63             scrollBar[0].MinValue = 0;
  64             scrollBar[0].ThumbSize = new Size(30, 4);
  65             scrollBar[0].CurrentValue = 0; //set after thumbsize
  66             scrollBar[0].ThumbColor = Color.Black;
  67             null_style_parent.Add(scrollBar[0]);
  68
  69             scrollBar[1] = new ScrollBar();
  70             scrollBar[1].Size = new Size(400, 4);
  71             scrollBar[1].TrackColor = Color.Green;
  72             scrollBar[1].MaxValue = (int)scrollBar[1].SizeWidth / 10;
  73             scrollBar[1].MinValue = 0;
  74             scrollBar[1].ThumbSize = new Size(30, 4);
  75             scrollBar[1].CurrentValue = 0;//set after thumbsize
  76             scrollBar[1].ThumbColor = Color.Yellow;
  77             scrollBar[1].TrackImageURL = CommonResource.GetTVResourcePath() + "component/c_progressbar/c_progressbar_white_buffering.png";
  78             null_style_parent.Add(scrollBar[1]);
  79         }
  80
  81         private void CreateStylePart()
  82         {
  83             style_parent = new View() { Size = new Size(960, 540) };
  84             style_parent.Layout = new LinearLayout() { LinearOrientation = LinearLayout.Orientation.Vertical, LinearAlignment = LinearLayout.Alignment.CenterVertical, CellPadding = new Size2D(0, 50) };
  85             top_parent.Add(style_parent);
  86
  87             // Add Textlabel of "Style construction"
  88             text_style = new TextLabel();
  89             text_style.Size = new Size(400, 70);
  90             text_style.PointSize = 20;
  91             text_style.HorizontalAlignment = HorizontalAlignment.Center;
  92             text_style.VerticalAlignment = VerticalAlignment.Center;
  93             text_style.BackgroundColor = Color.Magenta;
  94             text_style.Text = "Style construction";
  95             text_style.Focusable = true;
  96             style_parent.Add(text_style);
  97
  98             // Add ScrollBar of Style construction
  99             ScrollBarStyle st = new ScrollBarStyle
 100             {
 101                 Track = new ImageViewStyle
 102                 {
 103                     BackgroundColor = new Selector<Color>
 104                     {
 105                         All = new Color(0.43f, 0.43f, 0.43f, 0.1f),
 106                     }
 107                 },
 108                 Thumb = new ImageViewStyle
 109                 {
 110                     BackgroundColor = new Selector<Color>
 111                     {
 112                         All = new Color(1.0f, 0.0f, 0.0f, 0.2f),
 113                     }
 114                 },
 115             };
 116             scrollBar[2] = new ScrollBar(st);
 117             scrollBar[2].Size = new Size(400, 4);
 118             scrollBar[2].MaxValue = (int)scrollBar[2].SizeWidth / 10;
 119             scrollBar[2].MinValue = 0;
 120             scrollBar[2].ThumbSize = new Size(30, 4);
 121             scrollBar[2].CurrentValue = 0;//set after thumbsize
 122             style_parent.Add(scrollBar[2]);
 123         }
 124
 125         private void CreateBottomView()
 126         {
 127             bottom_parent = new View() { Size = new Size(1920, 540) };
 128             bottom_parent.Layout = new LinearLayout() { LinearOrientation = LinearLayout.Orientation.Horizontal, LinearAlignment = LinearLayout.Alignment.Center, CellPadding = new Size2D(50, 50) };
 129             root.Add(bottom_parent);
 130
 131             // Create buttons
 132             CreateButtons();
 133         }
 134
 135         void CreateButtons()
 136         {
 137             for (int i = 0; i < 4; i++)
 138             {
 139                 button[i] = new Button();
 140                 button[i].BackgroundColor = Color.Green;
 141                 button[i].Size = new Size(80, 50);
 142                 button[i].Focusable = true;
 143                 bottom_parent.Add(button[i]);
 144             }
 145
 146             button[0].Text = "+";
 147             button[0].ClickEvent += Scroll1Add;
 148
 149             button[1].Text = "-";
 150             button[1].ClickEvent += Scroll1Minus;
 151
 152             button[2].Text = "+ / - 4";
 153             button[2].ClickEvent += Scroll1_2move;
 154
 155             button[3].Text = "change direction";
 156             button[3].ClickEvent += Scroll1_2Changed;
 157             button[3].Size = new Size(180, 50);
 158
 159             // Set focus to Add Button
 160             FocusManager.Instance.SetCurrentFocusView(button[0]);
 161         }
 162
 163         private void Scroll1Add(object sender, global::System.EventArgs e)
 164         {
 165             scrollBar[0].CurrentValue++;
 166             scrollBar[2].CurrentValue++;
 167         }
 168         private void Scroll1Minus(object sender, global::System.EventArgs e)
 169         {
 170             scrollBar[0].CurrentValue--;
 171             scrollBar[2].CurrentValue--;
 172         }
 173
 174         private void Scroll1_2Changed(object sender, global::System.EventArgs e)
 175         {
 176             if (scrollBar[1].LayoutDirection == ViewLayoutDirectionType.LTR)
 177             {
 178                 scrollBar[1].LayoutDirection = ViewLayoutDirectionType.RTL;
 179             }
 180             else
 181             {
 182                 scrollBar[1].LayoutDirection = ViewLayoutDirectionType.LTR;
 183             }
 184         }
 185
 186         private void Scroll1_2move(object sender, global::System.EventArgs e)
 187         {
 188             if (scrollBar[1].CurrentValue < scrollBar[1].MaxValue / 2)
 189             {
 190                 scrollBar[1].SetCurrentValue(scrollBar[1].MaxValue - 2);
 191             }
 192             else
 193             {
 194                 scrollBar[1].SetCurrentValue(2);
 195             }
 196         }
 197
 198         public void Deactivate()
 199         {
 200             if (root != null)
 201             {
 202                 NUIApplication.GetDefaultWindow().Remove(root);
 203                 if (text_nullstyle != null)
 204                 {
 205                     text_nullstyle.Dispose();
 206                     text_nullstyle = null;
 207                 }
 208
 209                 if (text_style != null)
 210                 {
 211                     text_style.Dispose();
 212                     text_style = null;
 213                 }
 214
 215                 for (int i = 0; i < 4; i++)
 216                 {
 217                     if (button[i] != null)
 218                     {
 219                         button[i].Dispose();
 220                         button[i] = null;
 221                     }
 222                 }
 223
 224                 for (int i = 0; i < 3; i++)
 225                 {
 226                     if (scrollBar[i] != null)
 227                     {
 228                         scrollBar[i].Dispose();
 229                         scrollBar[i] = null;
 230                     }
 231                 }
 232
 233                 if (top_parent != null)
 234                 {
 235                     top_parent.Dispose();
 236                     top_parent = null;
 237                 }
 238
 239                 if (bottom_parent != null)
 240                 {
 241                     bottom_parent.Dispose();
 242                     bottom_parent = null;
 243                 }
 244
 245                 if (null_style_parent != null)
 246                 {
 247                     null_style_parent.Dispose();
 248                     null_style_parent = null;
 249                 }
 250
 251                 if (style_parent != null)
 252                 {
 253                     style_parent.Dispose();
 254                     style_parent = null;
 255                 }
 256
 257                 root.Dispose();
 258                 root = null;
 259             }
 260         }
 261     }
 262 }