test/Tizen.NUI.Samples/Tizen.NUI.Samples/Samples/ContactCard/ContactCardLayouter.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Linq;
   4 using System.Text;
   5 using System.Threading.Tasks;
   6 using Tizen.NUI.BaseComponents;
   7
   8 namespace Tizen.NUI.Samples
   9 {
  10     public class ContactCardLayouter
  11     {
  12         private const float DEFAULT_PADDING = 25.0f;
  13
  14         private const float MINIMUM_ITEMS_PER_ROW_OR_COLUMN = 3.0f;
  15
  16         private const float HEADER_HEIGHT_TO_UNFOLDED_SIZE_RATIO = 0.1f;
  17         private readonly Vector2 HEADER_FOLDED_POSITION_AS_RATIO_OF_SIZE = new Vector2(-0.05f, -1.5f);
  18         private readonly Vector2 HEADER_UNFOLDED_POSITION = new Vector2(0.0f, 0.0f);
  19
  20         const float IMAGE_SIZE_AS_RATIO_TO_FOLDED_SIZE = 0.5f;
  21         private readonly Vector2 IMAGE_FOLDED_POSITION_AS_RATIO_OF_SIZE = new Vector2(0.5f, 0.25f);
  22
  23         const float FOLDED_TEXT_POSITION_AS_RATIO_OF_IMAGE_SIZE = 1.01f;
  24
  25         private readonly Vector4 ROOTVIEW_COLOR = new Vector4(211.0f / 255.0f, 211.0f / 255.0f, 211.0f / 255.0f, 1.0f);
  26
  27
  28         private ContactCardLayoutInfo mContactCardLayoutInfo;
  29         private List<ContactCard> mContactCards;
  30
  31         private Vector2 mLastPosition;
  32         private Vector2 mPositionIncrementer;
  33         private int mItemsPerRow;
  34
  35         private bool mInitialized;
  36
  37         private View rootView;
  38
  39         public ContactCardLayouter()
  40         {
  41             Initialize();
  42         }
  43
  44         private void Initialize()
  45         {
  46             mContactCardLayoutInfo = new ContactCardLayoutInfo();
  47             mContactCards = new List<ContactCard>();
  48             mLastPosition = new Vector2();
  49             mPositionIncrementer = new Vector2();
  50             mItemsPerRow = 0;
  51             mInitialized = false;
  52
  53             rootView = new View()
  54             {
  55                 Size2D = new Size2D(Window.Instance.WindowSize.Width, Window.Instance.WindowSize.Height),
  56                 BackgroundColor = ROOTVIEW_COLOR,
  57                 PositionUsesPivotPoint = false,
  58             };
  59
  60             Window.Instance.Add(rootView);
  61
  62         }
  63
  64         public void AddContact(string contactName, string contactAddress, string imagePath)
  65         {
  66             if(!mInitialized)
  67             {
  68                 // Set up the common layouting info shared between all contact cards when first called
  69                 mContactCardLayoutInfo.unfoldedPosition = mContactCardLayoutInfo.padding = new Vector2(DEFAULT_PADDING, DEFAULT_PADDING);
  70                 Vector2 windowSize = new Vector2(Window.Instance.Size.Width, Window.Instance.Size.Height);
  71                 mContactCardLayoutInfo.unfoldedSize = windowSize - mContactCardLayoutInfo.padding * (MINIMUM_ITEMS_PER_ROW_OR_COLUMN - 1.0f);
  72
  73                 // Calculate the size of the folded card (use the minimum of width/height as size)
  74                 mContactCardLayoutInfo.foldedSize = (mContactCardLayoutInfo.unfoldedSize - (mContactCardLayoutInfo.padding * (MINIMUM_ITEMS_PER_ROW_OR_COLUMN - 1.0f))) / MINIMUM_ITEMS_PER_ROW_OR_COLUMN;
  75                 mContactCardLayoutInfo.foldedSize.Width = mContactCardLayoutInfo.foldedSize.Height = Math.Min(mContactCardLayoutInfo.foldedSize.Width, mContactCardLayoutInfo.foldedSize.Height);
  76
  77                 // Set the size and positions of the header
  78                 mContactCardLayoutInfo.headerSize.Width = mContactCardLayoutInfo.unfoldedSize.Width;
  79                 mContactCardLayoutInfo.headerSize.Height = mContactCardLayoutInfo.unfoldedSize.Height * HEADER_HEIGHT_TO_UNFOLDED_SIZE_RATIO;
  80                 mContactCardLayoutInfo.headerFoldedPosition = mContactCardLayoutInfo.headerSize * HEADER_FOLDED_POSITION_AS_RATIO_OF_SIZE;
  81                 mContactCardLayoutInfo.headerUnfoldedPosition = HEADER_UNFOLDED_POSITION;
  82
  83                 // Set the image size and positions
  84                 mContactCardLayoutInfo.imageSize = mContactCardLayoutInfo.foldedSize * IMAGE_SIZE_AS_RATIO_TO_FOLDED_SIZE;
  85                 mContactCardLayoutInfo.imageFoldedPosition = mContactCardLayoutInfo.imageSize * IMAGE_FOLDED_POSITION_AS_RATIO_OF_SIZE;
  86                 mContactCardLayoutInfo.imageUnfoldedPosition.X = mContactCardLayoutInfo.padding.Width;
  87                 mContactCardLayoutInfo.imageUnfoldedPosition.Y = mContactCardLayoutInfo.headerSize.Height + mContactCardLayoutInfo.padding.Height;
  88
  89                 // Set the positions of the contact name
  90                 mContactCardLayoutInfo.textFoldedPosition.X = 0.0f;
  91                 mContactCardLayoutInfo.textFoldedPosition.Y = mContactCardLayoutInfo.imageFoldedPosition.X + mContactCardLayoutInfo.imageSize.Height * FOLDED_TEXT_POSITION_AS_RATIO_OF_IMAGE_SIZE;
  92                 mContactCardLayoutInfo.textUnfoldedPosition.X = mContactCardLayoutInfo.padding.Width;
  93                 mContactCardLayoutInfo.textUnfoldedPosition.Y = mContactCardLayoutInfo.imageUnfoldedPosition.Y + mContactCardLayoutInfo.imageSize.Height + mContactCardLayoutInfo.padding.Height;
  94
  95                 // Figure out the positions of the contact cards
  96                 mItemsPerRow = (int)((mContactCardLayoutInfo.unfoldedSize.Width + mContactCardLayoutInfo.padding.Width) / (mContactCardLayoutInfo.foldedSize.Width + mContactCardLayoutInfo.padding.Width));
  97                 mLastPosition = new Vector2(mContactCardLayoutInfo.unfoldedPosition.X, mContactCardLayoutInfo.unfoldedPosition.Y);
  98                 mPositionIncrementer.X = mContactCardLayoutInfo.foldedSize.Width + mContactCardLayoutInfo.padding.Width;
  99                 mPositionIncrementer.Y = mContactCardLayoutInfo.foldedSize.Height + mContactCardLayoutInfo.padding.Height;
 100
 101                 mInitialized = true;
 102             }
 103
 104             mContactCards.Add(new ContactCard(mContactCardLayoutInfo, contactName, contactAddress, imagePath, NextCardPosition(), rootView));
 105
 106         }
 107
 108         private Vector2 NextCardPosition()
 109         {
 110             int currentNumOfCards = mContactCards.Count();
 111
 112             if(currentNumOfCards > 0)
 113             {
 114                 if(currentNumOfCards % mItemsPerRow != 0)
 115                 {
 116                     mLastPosition.X += mPositionIncrementer.X;
 117                 }
 118                 else
 119                 {
 120                     mLastPosition.X = mContactCardLayoutInfo.unfoldedPosition.X;
 121                     mLastPosition.Y += mPositionIncrementer.Y;
 122                 }
 123             }
 124
 125             return mLastPosition;
 126         }
 127
 128     }
 129 }