test/NUITestSample/CommonUI_Samples/Samples/FlexibleViewSample.cs

   1 using System;
   2 using Tizen.NUI;
   3 using Tizen.NUI.BaseComponents;
   4 using Tizen.NUI.CommonUI;
   5 using System.Collections.Generic;
   6
   7 namespace NuiCommonUiSamples
   8 {
   9     public class ListItemData
  10     {
  11         private string str;
  12
  13         public ListItemData(int i)
  14         {
  15             str = "Text" + i.ToString();
  16         }
  17
  18         public string TextString
  19         {
  20             get
  21             {
  22                 return str;
  23             }
  24         }
  25     }
  26
  27     public class ListItemView : View
  28     {
  29         private TextLabel mText;
  30
  31         public ListItemView()
  32         {
  33             mText = new TextLabel();
  34             mText.WidthResizePolicy = ResizePolicyType.FillToParent;
  35             mText.HeightResizePolicy = ResizePolicyType.FillToParent;
  36             mText.PointSize = 22;
  37             mText.HorizontalAlignment = HorizontalAlignment.Center;
  38             mText.VerticalAlignment = VerticalAlignment.Center;
  39             Add(mText);
  40         }
  41
  42         public string MainText
  43         {
  44             get
  45             {
  46                 return mText.Text;
  47             }
  48             set
  49             {
  50                 mText.Text = value;
  51             }
  52         }
  53     }
  54
  55     public class ListBridge : Tizen.NUI.CommonUI.FlexibleView.Adapter
  56     {
  57         private List<ListItemData> mDatas;
  58
  59         public ListBridge(List<ListItemData> datas)
  60         {
  61             mDatas = datas;
  62         }
  63
  64         public void InsertData(int position)
  65         {
  66             mDatas.Insert(position, new ListItemData(1000 + position));
  67             NotifyItemInserted(position);
  68         }
  69
  70         public void RemoveData(int position)
  71         {
  72             mDatas.RemoveAt(position);
  73             NotifyItemRemoved(position);
  74         }
  75
  76         public override Tizen.NUI.CommonUI.FlexibleView.ViewHolder OnCreateViewHolder(int viewType)
  77         {
  78             Tizen.NUI.CommonUI.FlexibleView.ViewHolder viewHolder = new Tizen.NUI.CommonUI.FlexibleView.ViewHolder(new ListItemView());
  79             //Console.WriteLine($"OnCreateViewHolder... viewType: {viewType} viewID: {viewHolder.ItemView.ID}");
  80
  81             return viewHolder;
  82         }
  83
  84         public override void OnBindViewHolder(Tizen.NUI.CommonUI.FlexibleView.ViewHolder holder, int position)
  85         {
  86             //Console.WriteLine($"OnBindItemView... position: {position}");
  87             ListItemData listItemData = mDatas[position];
  88
  89             ListItemView listItemView = holder.ItemView as ListItemView;
  90             listItemView.Name = "Item" + position;
  91             //Random rd = new Random();
  92             listItemView.SizeWidth = 150;
  93             listItemView.SizeHeight = 60;
  94             if (listItemView != null)
  95             {
  96                 listItemView.MainText = String.Format("{0:D2}", position) + " : " + listItemData.TextString;
  97             }
  98             listItemView.Margin = new Extents(2, 2, 2, 2);
  99             if (position % 2 == 0)
 100                 listItemView.BackgroundColor = Color.Cyan;
 101             else
 102                 listItemView.BackgroundColor = Color.Yellow;
 103         }
 104
 105         public override void OnDestroyViewHolder(Tizen.NUI.CommonUI.FlexibleView.ViewHolder holder)
 106         {
 107             //Console.WriteLine($"OnDestroyViewHolder... viewID: {holder.ItemView?.ID}");
 108             if (holder.ItemView != null)
 109             {
 110                 holder.ItemView.Dispose();
 111             }
 112         }
 113
 114         public override int GetItemCount()
 115         {
 116             return mDatas.Count;
 117         }
 118
 119         public override void OnFocusChange(Tizen.NUI.CommonUI.FlexibleView flexibleView, int previousFocus, int currentFocus)
 120         {
 121             Tizen.NUI.CommonUI.FlexibleView.ViewHolder previousFocusView = flexibleView.FindViewHolderForAdapterPosition(previousFocus);
 122             if (previousFocusView != null)
 123             {
 124                 //Console.WriteLine($"previousFocus {previousFocus.AdapterPosition}");
 125                 if (previousFocusView.AdapterPosition % 2 == 0)
 126                     previousFocusView.ItemView.BackgroundColor = Color.Cyan;
 127                 else
 128                     previousFocusView.ItemView.BackgroundColor = Color.Yellow;
 129                 //previousFocus.SizeWidth = 150;
 130                 //previousFocus.SizeHeight = 60;
 131                 //NotifyItemChanged(previousFocus.AdapterPosition);
 132             }
 133             Tizen.NUI.CommonUI.FlexibleView.ViewHolder currentFocusView = flexibleView.FindViewHolderForAdapterPosition(currentFocus);
 134             if (currentFocusView != null)
 135             {
 136                 //Console.WriteLine($"currentFocus {currentFocus.AdapterPosition}");
 137                 currentFocusView.ItemView.BackgroundColor = Color.Magenta;
 138                 //currentFocus.SizeWidth = 200;
 139                 //currentFocus.SizeHeight = 100;
 140                 //NotifyItemChanged(currentFocus.AdapterPosition);
 141             }
 142         }
 143
 144         public override void OnViewAttachedToWindow(Tizen.NUI.CommonUI.FlexibleView.ViewHolder holder)
 145         {
 146             //Console.WriteLine($"+Attached: {holder.AdapterPosition}");
 147         }
 148
 149         public override void OnViewDetachedFromWindow(Tizen.NUI.CommonUI.FlexibleView.ViewHolder holder)
 150         {
 151             //Console.WriteLine($" --Detached: {holder.AdapterPosition}");
 152         }
 153
 154     }
 155
 156     public class FlexibleView : IExample
 157     {
 158         private SampleLayout root;
 159         private Tizen.NUI.CommonUI.FlexibleView flexibleView1;
 160         private Tizen.NUI.CommonUI.FlexibleView flexibleView2;
 161         private ListBridge adapter;
 162
 163         private ScrollBar scrollBar1;
 164         private ScrollBar scrollBar2;
 165
 166         public void Activate()
 167         {
 168             Window.Instance.BackgroundColor = Color.White;
 169             root = new SampleLayout(false);
 170             root.HeaderText = "FlexibleView";
 171
 172             flexibleView1 = new Tizen.NUI.CommonUI.FlexibleView();
 173             flexibleView1.Name = "FlexibleView1";
 174             flexibleView1.Position2D = new Position2D(300, 20);
 175             flexibleView1.Size2D = new Size2D(400, 450);
 176             flexibleView1.Padding = new Extents(10, 10, 10, 10);
 177             flexibleView1.BackgroundColor = new Color(0.0f, 0.0f, 0.0f, 0.4f);
 178
 179             List<ListItemData> dataList = new List<ListItemData>();
 180             for (int i = 0; i < 131; ++i)
 181             {
 182                 dataList.Add(new ListItemData(i));
 183             }
 184             adapter = new ListBridge(dataList);
 185             flexibleView1.SetAdapter(adapter);
 186
 187             LinearLayoutManager layoutManager1 = new LinearLayoutManager(LinearLayoutManager.VERTICAL);
 188             //GridLayoutManager layoutManager1 = new GridLayoutManager(3, LinearLayoutManager.VERTICAL);
 189             flexibleView1.SetLayoutManager(layoutManager1);
 190
 191             root.Add(flexibleView1);
 192
 193             scrollBar1 = new ScrollBar("DAScrollbar");
 194             scrollBar1.Direction = ScrollBar.DirectionType.Vertical;
 195             scrollBar1.Position2D = new Position2D(394, 2);
 196             scrollBar1.Size2D = new Size2D(4, 446);
 197             scrollBar1.ThumbSize = new Size2D(4, 30);
 198             flexibleView1.AttachScrollBar(scrollBar1);
 199
 200
 201             flexibleView2 = new Tizen.NUI.CommonUI.FlexibleView();
 202             flexibleView2.Name = "FlexibleView2";
 203             flexibleView2.Position2D = new Position2D(150, 520);
 204             flexibleView2.Size2D = new Size2D(700, 200);
 205             flexibleView2.Padding = new Extents(10, 10, 10, 10);
 206             flexibleView2.BackgroundColor = new Color(0.0f, 0.0f, 0.0f, 0.4f);
 207
 208             flexibleView2.SetAdapter(adapter);
 209
 210             GridLayoutManager layoutManager2 = new GridLayoutManager(3, LinearLayoutManager.HORIZONTAL);
 211             flexibleView2.SetLayoutManager(layoutManager2);
 212
 213             root.Add(flexibleView2);
 214
 215             scrollBar2 = new ScrollBar("DAScrollbar");
 216             scrollBar2.Position2D = new Position2D(2, 194);
 217             scrollBar2.Size2D = new Size2D(696, 4);
 218             scrollBar2.ThumbSize = new Size2D(30, 4);
 219             flexibleView2.AttachScrollBar(scrollBar2);
 220
 221         }
 222
 223
 224         public void Deactivate()
 225         {
 226             flexibleView1.DetachScrollBar();
 227             scrollBar1.Dispose();
 228             flexibleView2.DetachScrollBar();
 229             scrollBar2.Dispose();
 230
 231             root.Remove(flexibleView1);
 232             flexibleView1.Dispose();
 233             root.Remove(flexibleView2);
 234             flexibleView2.Dispose();
 235
 236             root.Dispose();
 237         }
 238     }
 239 }