test/ElmSharp.Test/TC/ScrollerTest6.cs

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 using System;
  18 using ElmSharp;
  19 using System.Collections.Generic;
  20
  21 namespace ElmSharp.Test
  22 {
  23     public class ScrollerTest6 : TestCaseBase
  24     {
  25         public override string TestName => "ScrollerTest6";
  26         public override string TestDescription => "To test basic operation of Scroller";
  27
  28         int _currentIndex = 0;
  29
  30         public override void Run(Window window)
  31         {
  32             Conformant conformant = new Conformant(window);
  33             conformant.Show();
  34             Box outterBox = new Box(window)
  35             {
  36                 AlignmentX = -1,
  37                 AlignmentY = -1,
  38                 WeightX = 1,
  39                 WeightY = 1,
  40                 IsHorizontal = false,
  41             };
  42             outterBox.Show();
  43             conformant.SetContent(outterBox);
  44
  45             Scroller scroller = new Scroller(window)
  46             {
  47                 AlignmentX = -1,
  48                 AlignmentY = -1,
  49                 WeightX = 1,
  50                 WeightY = 1,
  51                 ScrollBlock = ScrollBlock.Vertical
  52             };
  53             scroller.Show();
  54
  55
  56             Box innerBox = new Box(window)
  57             {
  58                 AlignmentX = -1,
  59                 AlignmentY = -1,
  60                 WeightX = 1,
  61                 WeightY = 1,
  62                 IsHorizontal = true,
  63             };
  64             innerBox.Show();
  65             scroller.SetContent(innerBox);
  66
  67             var rects = new List<Rectangle>();
  68             Random rnd = new Random();
  69             for(int i = 0; i < 30; i++)
  70             {
  71                 var rect = new Rectangle(window)
  72                 {
  73                     AlignmentX = -1,
  74                     AlignmentY = -1,
  75                     WeightX = 1,
  76                     WeightY = 1,
  77                     Color = Color.FromRgb(rnd.Next(0, 255), rnd.Next(0, 255), rnd.Next(0, 255)),
  78                 };
  79                 rect.Show();
  80                 innerBox.PackEnd(rect);
  81                 rects.Add(rect);
  82             };
  83
  84             innerBox.SetLayoutCallback(() =>
  85             {
  86                 System.Console.WriteLine("!!!! update layout");
  87                 System.Console.WriteLine("MinimumWith = {0}", innerBox.MinimumWidth);
  88
  89             });
  90             for (int i = 0; i < rects.Count; i++)
  91             {
  92                 rects[i].Geometry = new Rect(i / 3 * 400 + innerBox.Geometry.X, i % 3 * 400 + innerBox.Geometry.Y, 400, 400);
  93             }
  94             innerBox.MinimumWidth = (int)Math.Ceiling(rects.Count / 3.0) * 400;
  95
  96             Button btn = new Button(window)
  97             {
  98                 AlignmentX = -1,
  99                 WeightX = 1,
 100                 Text = "Remove"
 101             };
 102             btn.Clicked += (s, e) =>
 103             {
 104                 System.Console.WriteLine("current index {0}", _currentIndex);
 105                 System.Console.WriteLine("Before Current Region : {0}", scroller.CurrentRegion);
 106                 int last = rects.Count - 1;
 107                 innerBox.UnPack(rects[last]);
 108                 rects[last].Hide();
 109                 rects.RemoveAt(last);
 110
 111                 System.Console.WriteLine(" innerBox MinimumWith = {0}", innerBox.MinimumWidth);
 112                 System.Console.WriteLine("After Current Region : {0}", scroller.CurrentRegion);
 113
 114                 EcoreMainloop.Post(() =>
 115                 {
 116                     System.Console.WriteLine("On idler Current Region : {0}", scroller.CurrentRegion);
 117                 });
 118
 119                 EcoreMainloop.AddTimer(0, () =>
 120                 {
 121                     System.Console.WriteLine("After 0 sec Current Region : {0}", scroller.CurrentRegion);
 122                     return false;
 123                 });
 124             };
 125             scroller.Scrolled += (s, e) =>
 126             {
 127                 System.Console.WriteLine("Scrolled to {0}", scroller.CurrentRegion);
 128                 System.Console.WriteLine("in scrolling MinimumWith = {0}", innerBox.MinimumWidth);
 129             };
 130
 131             btn.Show();
 132
 133             outterBox.PackEnd(btn);
 134             outterBox.PackEnd(scroller);
 135
 136
 137         }
 138     }
 139 }