test/NUITizenGallery/Examples/EntryTest2/EntryTest2Page.xaml.cs

   1 /*
   2  * Copyright(c) 2021 Samsung Electronics Co., Ltd.
   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 Tizen.NUI;
  18 using Tizen.NUI.BaseComponents;
  19
  20 namespace NUITizenGallery
  21 {
  22     public partial class EntryTest2Page : View
  23     {
  24         public EntryTest2Page()
  25         {
  26             InitializeComponent();
  27         }
  28         protected override void Dispose(DisposeTypes type)
  29         {
  30             if (Disposed)
  31             {
  32                 return;
  33             }
  34
  35             if (type == DisposeTypes.Explicit)
  36             {
  37                 RemoveAllChildren(true);
  38             }
  39
  40             base.Dispose(type);
  41         }
  42
  43         private void RemoveAllChildren(bool dispose = false)
  44         {
  45             RecursiveRemoveChildren(this, dispose);
  46         }
  47
  48         private void RecursiveRemoveChildren(View parent, bool dispose)
  49         {
  50             if (parent == null)
  51             {
  52                 return;
  53             }
  54
  55             int maxChild = (int)parent.ChildCount;
  56             for (int i = maxChild - 1; i >= 0; --i)
  57             {
  58                 View child = parent.GetChildAt((uint)i);
  59                 if (child == null)
  60                 {
  61                     continue;
  62                 }
  63
  64                 RecursiveRemoveChildren(child, dispose);
  65                 parent.Remove(child);
  66                 if (dispose)
  67                 {
  68                     child.Dispose();
  69                 }
  70             }
  71         }
  72     }
  73 }