2 * Copyright(c) 2017 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 using System.Collections.Generic;
20 using Tizen.NUI.BaseComponents;
25 /// The Container is an abstract class to be inherited from by classes that desire to have views
28 /// <since_tizen> 4 </since_tizen>
29 public abstract class Container : Animatable
31 internal BaseHandle InternalParent;
32 private List<View> _childViews = new List<View>();
34 internal Container(global::System.IntPtr cPtr, bool cMemoryOwn) : base(cPtr, cMemoryOwn)
36 // No un-managed data hence no need to store a native ptr
40 /// List of children of Container.
42 /// <since_tizen> 4 </since_tizen>
43 public List<View> Children
52 /// Gets the parent container.
55 /// <pre>The child container has been initialized.</pre>
56 /// <returns>The parent container.</returns>
57 /// <since_tizen> 4 </since_tizen>
58 public new Container Parent
67 /// Gets the number of children for this container.
70 /// <pre>The container has been initialized.</pre>
71 /// <returns>The number of children.</returns>
72 /// <since_tizen> 4 </since_tizen>
73 public uint ChildCount
77 return GetChildCount();
82 /// Adds a child view to this Container.
84 /// <pre>This Container (the parent) has been initialized. The child view has been initialized. The child view is not the same as the parent view.</pre>
85 /// <post>The child will be referenced by its parent. This means that the child will be kept alive, even if the handle passed into this method is reset or destroyed.</post>
86 /// <remarks>If the child already has a parent, it will be removed from the old parent and reparented to this view. This may change child's position, color, scale, etc. as it now inherits them from this view.</remarks>
87 /// <param name="view">The child view to add.</param>
88 /// <since_tizen> 4 </since_tizen>
89 public abstract void Add(View view);
92 /// Removes a child view from this view. If the view was not a child of this view, this is a no-op.
94 /// <pre>This View(the parent) has been initialized. The child view is not the same as the parent view.</pre>
95 /// <param name="view">The view to remove</param>
96 /// <since_tizen> 4 </since_tizen>
97 public abstract void Remove(View view);
100 /// Retrieves the child view by the index.
102 /// <pre>The view has been initialized.</pre>
103 /// <param name="index">The index of the child to retrieve.</param>
104 /// <returns>The view for the given index or empty handle if children are not initialized.</returns>
105 /// <since_tizen> 4 </since_tizen>
106 public abstract View GetChildAt(uint index);
109 /// Gets the parent of this container.
111 /// <pre>The child container has been initialized.</pre>
112 /// <returns>The parent container.</returns>
113 /// <since_tizen> 4 </since_tizen>
114 public abstract Container GetParent();
117 /// Gets the number of children for this container.
119 /// <pre>The container has been initialized.</pre>
120 /// <returns>The number of children.</returns>
121 /// <since_tizen> 4 </since_tizen>
122 public abstract UInt32 GetChildCount();
127 /// <since_tizen> 4 </since_tizen>
128 protected override void Dispose(DisposeTypes type)
139 } // namespace Tizen.NUI