[NUI] Add SiblingOrder Sample (#1474)

diff --git a/test/Tizen.NUI.Samples/Tizen.NUI.Samples/Samples/SiblingOrderTest.cs b/test/Tizen.NUI.Samples/Tizen.NUI.Samples/Samples/SiblingOrderTest.cs
new file mode 100755 (executable)
index 0000000..c7d35c1
--- /dev/null
+++ b/test/Tizen.NUI.Samples/Tizen.NUI.Samples/Samples/SiblingOrderTest.cs
@@ -0,0 +1,158 @@
+
+using Tizen.NUI.BaseComponents;
+using Tizen.NUI.Components;
+using System;
+
+namespace Tizen.NUI.Samples
+{
+    using l = Tizen.Log;
+
+    public class SiblingOrderTest : IExample
+    {
+        Window win;
+        View v;
+        Button b1, b2, b3;
+        TextLabel text;
+        const string t = "NUITEST";
+        const int W1 = 700, H1 = 800;
+        const int W2 = 230, H2 = 150;
+        public void Activate()
+        {
+            win = NUIApplication.GetDefaultWindow();
+
+            v = new View();
+            v.Size = new Size(W1, H1);
+            v.Position = new Position(10, 10);
+            v.BackgroundColor = new Color(0.8f, 0.8f, 0.8f, 1.0f);
+            win.Add(v);
+
+            b1 = new Button()
+            {
+                Size = new Size(700, 100),
+                Position = new Position(10, H1 + 20),
+                Text = "add new child",
+            };
+            b1.ClickEvent += B1_ClickEvent;
+            win.Add(b1);
+
+            b2 = new Button()
+            {
+                Size = new Size(700, 100),
+                Position = new Position(10, H1 + 20 + 120),
+                Text = "refresh sibling order",
+            };
+            b2.ClickEvent += B2_ClickEvent;
+            win.Add(b2);
+
+            b3 = new Button()
+            {
+                Size = new Size(700, 100),
+                Position = new Position(10, H1 + 20 + 120 + 120),
+                Text = "place children to fit parent",
+            };
+            b3.ClickEvent += B3_ClickEvent;
+            win.Add(b3);
+
+            text = new TextLabel()
+            {
+                Size = new Size(700, 100),
+                Position = new Position(10, H1 + 20 + 120 + 120 + 120),
+                Text = "push buttons above",
+                BackgroundColor = Color.Yellow,
+                Name = "status",
+            };
+            win.Add(text);
+        }
+
+        private void B1_ClickEvent(object sender, Button.ClickEventArgs e)
+        {
+            string n = "CH" + (v.ChildCount + 1);
+            var ch = new TextLabel();
+            Random r = new Random();
+            int so = r.Next(0, (int)v.ChildCount);
+
+            ch.Size = new Size(W2, H2);
+            ch.Position = new Position(100, 900);
+            ch.BackgroundColor = new Color((float)r.NextDouble(), (float)r.NextDouble(), (float)r.NextDouble(), 0.5f);
+            ch.MultiLine = true;
+            ch.Name = n;
+            v.Add(ch);
+            // SiblingOrder can set the order of mine in the sibling list owned by parent.
+            // the lower value of SiblingOrder means it goes lower to the bottom so that it will be covered by higher valued siblings. 
+            // (Vise versa, if SiblingOrder goes to high, the object will be up to the top which can be said as a screen.)
+            //if new added sibling has same value with previously existed sibling, the existed siblings, which have higer value than new sibling, will get +1 and will be rearranged. 
+            // (this means the new added sibling will be placed right under the old sibling that has same SiblingOrder value)
+            //Therefore, SiblingOrder will be automatically set as parent's ChildCount + 1 when child itself is added to parent by "Add()".
+            ch.SiblingOrder = so;
+            ch.Text = ch.Name + "  SO=" + ch.SiblingOrder;
+
+            var a = new Animation(500);
+            var targetposition = GetPositionFromSiblingOrder(ch.SiblingOrder);
+            a.AnimateTo(ch, "position", new Position((targetposition.X + W2 / 2), (targetposition.Y + H2 / 2), 0));
+            a.Play();
+            a.Finished += A_Finished;
+        }
+
+        private void B2_ClickEvent(object sender, Button.ClickEventArgs e)
+        {
+            for(int i=0; i < v.ChildCount; i++)
+            {
+                var ch = v.GetChildAt((uint)i) as TextLabel;
+                if(ch != null)
+                {
+                    ch.Text = ch.Name + "  SO=" + ch.SiblingOrder;
+                }
+            }
+        }
+
+        private void B3_ClickEvent(object sender, Button.ClickEventArgs e)
+        {
+            for (int i = 0; i < v.ChildCount; i++)
+            {
+                var ch = v.GetChildAt((uint)i);
+                var ani = new Animation(500);
+                ani.AnimateTo(ch, "position", GetPositionFromSiblingOrder(i), new AlphaFunction(AlphaFunction.BuiltinFunctions.EaseOut));
+                ani.Play();
+            }
+        }
+
+        private void A_Finished(object sender, EventArgs e)
+        {
+            var text = win.GetDefaultLayer().FindChildByName("status") as TextLabel;
+            if(text != null)
+            {
+                int i = (int)v.ChildCount;
+                text.Text = $"child {i} (CH{i}) is just added!";
+            }
+        }
+
+        Position GetPositionFromSiblingOrder(int so)
+        {
+            int px = (so % (W1 / W2)) * W2;
+            int py = (so / (W1 / W2)) * H2;
+            return new Position(px, py, 0);
+        }
+
+        public void Deactivate()
+        {
+            b1.ClickEvent -= B1_ClickEvent;
+            b2.ClickEvent -= B2_ClickEvent;
+            b3.ClickEvent -= B3_ClickEvent;
+
+            b1.Unparent();
+            b2.Unparent();
+            b3.Unparent();
+            b1.Dispose();
+            b2.Dispose();
+            b3.Dispose();
+
+            text.Unparent();
+            text.Dispose();
+            text = null;
+
+            v.Unparent();
+            v.Dispose();
+            v = null;
+        }
+    }
+}

diff --git a/test/Tizen.NUI.Samples/Tizen.NUI.Samples/Tizen.NUI.Samples.csproj b/test/Tizen.NUI.Samples/Tizen.NUI.Samples/Tizen.NUI.Samples.csproj
index 2127c6f..bc471b2 100755 (executable)
--- a/test/Tizen.NUI.Samples/Tizen.NUI.Samples/Tizen.NUI.Samples.csproj
+++ b/test/Tizen.NUI.Samples/Tizen.NUI.Samples/Tizen.NUI.Samples.csproj
@@ -15,7 +15,6 @@
     <DebugType>None</DebugType>
   </PropertyGroup>
   <ItemGroup>
-    <Compile Remove="Samples\AnimatedImageViewTest.cs" />
     <Compile Remove="Samples\AnimatedVectorImageViewTest.cs" />
     <Compile Remove="Samples\ButtonSample.cs" />
     <Compile Remove="Samples\CheckBoxSample.cs" />