2 * Copyright(c) 2022 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.ComponentModel;
20 using System.Reflection;
21 using System.Runtime.InteropServices;
22 using Tizen.NUI.Binding;
24 namespace Tizen.NUI.BaseComponents
27 /// View is the base class for all views.
29 /// <since_tizen> 3 </since_tizen>
30 public partial class View
33 /// Perform an action on a visual registered to this view. <br />
34 /// Visuals will have actions. This API is used to perform one of these actions with the given attributes.
36 /// <param name="propertyIndexOfVisual">The Property index of the visual.</param>
37 /// <param name="propertyIndexOfActionId">The action to perform. See Visual to find the supported actions.</param>
38 /// <param name="attributes">Optional attributes for the action.</param>
39 /// <since_tizen> 5 </since_tizen>
40 public void DoAction(int propertyIndexOfVisual, int propertyIndexOfActionId, PropertyValue attributes)
42 Interop.View.DoAction(SwigCPtr, propertyIndexOfVisual, propertyIndexOfActionId, PropertyValue.getCPtr(attributes));
43 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
47 /// Creates an animation to animate the background color visual. If there is no
48 /// background visual, creates one with transparent black as it's mixColor.
50 /// <since_tizen> 3 </since_tizen>
51 public Animation AnimateBackgroundColor(object destinationValue,
54 AlphaFunction.BuiltinFunctions? alphaFunction = null,
55 object initialValue = null)
57 Tizen.NUI.PropertyMap background = Background;
59 if (background.Empty())
61 // If there is no background yet, ensure there is a transparent
63 BackgroundColor = new Color(0.0f, 0.0f, 0.0f, 0.0f);
64 background = Background;
66 return AnimateColor("background", destinationValue, startTime, endTime, alphaFunction, initialValue);
70 /// Creates an animation to animate the mixColor of the named visual.
72 /// <since_tizen> 3 </since_tizen>
73 public Animation AnimateColor(string targetVisual, object destinationColor, int startTime, int endTime, AlphaFunction.BuiltinFunctions? alphaFunction = null, object initialColor = null)
75 Animation animation = null;
76 using (PropertyMap animator = new PropertyMap())
77 using (PropertyMap timePeriod = new PropertyMap())
78 using (PropertyValue pvDuration = new PropertyValue((endTime - startTime) / 1000.0f))
79 using (PropertyValue pvDelay = new PropertyValue(startTime / 1000.0f))
80 using (PropertyMap transition = new PropertyMap())
81 using (PropertyValue pvTarget = new PropertyValue(targetVisual))
82 using (PropertyValue pvProperty = new PropertyValue("mixColor"))
83 using (PropertyValue destValue = PropertyValue.CreateFromObject(destinationColor))
85 if (alphaFunction != null)
87 using (PropertyValue pvAlpha = new PropertyValue(AlphaFunction.BuiltinToPropertyKey(alphaFunction)))
89 animator.Add("alphaFunction", pvAlpha);
93 timePeriod.Add("duration", pvDuration);
94 timePeriod.Add("delay", pvDelay);
95 using (PropertyValue pvTimePeriod = new PropertyValue(timePeriod))
97 animator.Add("timePeriod", pvTimePeriod);
99 using (PropertyValue pvAnimator = new PropertyValue(animator))
101 transition.Add("animator", pvAnimator);
103 transition.Add("target", pvTarget);
104 transition.Add("property", pvProperty);
106 if (initialColor != null)
108 using (PropertyValue initValue = PropertyValue.CreateFromObject(initialColor))
110 transition.Add("initialValue", initValue);
114 transition.Add("targetValue", destValue);
115 using (TransitionData transitionData = new TransitionData(transition))
117 animation = new Animation(Interop.View.CreateTransition(SwigCPtr, TransitionData.getCPtr(transitionData)), true);
119 if (NDalicPINVOKE.SWIGPendingException.Pending)
120 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
125 // From Container Base class
127 /// Adds a child view to this view.
129 /// <seealso cref="Container.Add" />
130 /// <since_tizen> 4 </since_tizen>
131 public override void Add(View child)
133 bool hasLayout = (layout != null);
137 Tizen.Log.Fatal("NUI", "Child is null");
141 Container oldParent = child.GetParent();
142 if (oldParent != this)
144 // If child already has a parent then re-parent child
145 if (oldParent != null)
147 if (child.Layout != null)
149 child.Layout.SetReplaceFlag();
151 oldParent.Remove(child);
153 child.InternalParent = this;
154 LayoutCount += child.LayoutCount;
156 Interop.Actor.Add(SwigCPtr, View.getCPtr(child));
158 if (NDalicPINVOKE.SWIGPendingException.Pending)
159 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
163 if (ChildAdded != null)
165 ChildAddedEventArgs e = new ChildAddedEventArgs
175 /// Removes a child view from this View. If the view was not a child of this view, this is a no-op.
177 /// <seealso cref="Container.Remove" />
178 /// <since_tizen> 4 </since_tizen>
179 /// <exception cref="InvalidOperationException">Thrown when deleting a view that is not a child of this view</exception>
180 public override void Remove(View child)
182 if (child == null || child.GetParent() == null) // Early out if child null.
185 if (child.GetParent() != this)
187 //throw new System.InvalidOperationException("You have deleted a view that is not a child of this view.");
188 Tizen.Log.Error("NUI", "You have deleted a view that is not a child of this view.");
192 bool hasLayout = (layout != null);
194 // If View has a layout then do a deferred child removal
195 // Actual child removal is performed by the layouting system so
196 // transitions can be completed.
199 (layout as LayoutGroup)?.RemoveChildFromLayoutGroup(child);
206 /// Retrieves a child view by index.
208 /// <seealso cref="Container.GetChildAt" />
209 /// <since_tizen> 4 </since_tizen>
210 public override View GetChildAt(uint index)
212 if (index < Children.Count)
214 return Children[Convert.ToInt32(index)];
223 /// Retrieves the number of children held by the view.
225 /// <seealso cref="Container.GetChildCount" />
226 /// <since_tizen> 4 </since_tizen>
227 [Obsolete("Deprecated in API9, will be removed in API11. Please use ChildCount property instead!")]
228 public override uint GetChildCount()
230 return Convert.ToUInt32(Children.Count);
234 /// Gets the views parent.
236 /// <seealso cref="Container.GetParent()" />
237 /// <since_tizen> 4 </since_tizen>
238 public override Container GetParent()
240 return InternalParent as Container;
244 /// Queries whether the view has a focus.
246 /// <returns>True if this view has a focus.</returns>
247 /// <since_tizen> 3 </since_tizen>
248 public bool HasFocus()
251 if (SwigCPtr.Handle != global::System.IntPtr.Zero)
253 ret = Interop.View.HasKeyInputFocus(SwigCPtr);
254 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
258 Tizen.Log.Error("NUI", "swigCPtr of view is already disposed.");
264 /// Sets the name of the style to be applied to the view.
266 /// <param name="styleName">A string matching a style described in a stylesheet.</param>
267 /// <since_tizen> 3 </since_tizen>
268 [Obsolete("Deprecated in API9, will be removed in API11. Please use StyleName property instead!")]
269 public void SetStyleName(string styleName)
271 Interop.View.SetStyleName(SwigCPtr, styleName);
272 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
276 /// Retrieves the name of the style to be applied to the view (if any).
278 /// <returns>A string matching a style, or an empty string.</returns>
279 /// <since_tizen> 3 </since_tizen>
280 [Obsolete("Deprecated in API9, will be removed in API11. Please use StyleName property instead!")]
281 public string GetStyleName()
283 string ret = Interop.View.GetStyleName(SwigCPtr);
284 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
289 /// Clears the background.
291 /// <since_tizen> 3 </since_tizen>
292 public void ClearBackground()
294 Interop.View.ClearBackground(SwigCPtr);
295 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
302 /// This is an asynchronous method.
304 /// <since_tizen> 3 </since_tizen>
309 if (GetAccessibilityStates()[AccessibilityState.Modal])
311 RegisterDefaultLabel();
313 if (Accessibility.Accessibility.IsEnabled)
315 EmitAccessibilityStateChangedEvent(AccessibilityState.Showing, true);
324 /// This is an asynchronous method.
325 /// If the view is hidden, then the view and its children will not be rendered.
326 /// This is regardless of the individual visibility of the children, i.e., the view will only be rendered if all of its parents are shown.
328 /// <since_tizen> 3 </since_tizen>
333 if (GetAccessibilityStates()[AccessibilityState.Modal])
335 UnregisterDefaultLabel();
337 if (Accessibility.Accessibility.IsEnabled)
339 EmitAccessibilityStateChangedEvent(AccessibilityState.Showing, false);
345 /// Raises the view above all other views.
348 /// Sibling order of views within the parent will be updated automatically.
349 /// Once a raise or lower API is used, that view will then have an exclusive sibling order independent of insertion.
351 /// <since_tizen> 3 </since_tizen>
352 public void RaiseToTop()
354 var parentChildren = GetParent()?.Children;
356 if (parentChildren != null)
358 parentChildren.Remove(this);
359 parentChildren.Add(this);
361 LayoutGroup layout = Layout as LayoutGroup;
362 layout?.ChangeLayoutSiblingOrder(parentChildren.Count - 1);
364 Interop.NDalic.RaiseToTop(SwigCPtr);
365 if (NDalicPINVOKE.SWIGPendingException.Pending)
366 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
372 /// Lowers the view to the bottom of all views.
375 /// The sibling order of views within the parent will be updated automatically.
376 /// Once a raise or lower API is used that view will then have an exclusive sibling order independent of insertion.
378 /// <since_tizen> 3 </since_tizen>
379 public void LowerToBottom()
381 var parentChildren = GetParent()?.Children;
383 if (parentChildren != null)
385 parentChildren.Remove(this);
386 parentChildren.Insert(0, this);
388 LayoutGroup layout = Layout as LayoutGroup;
389 layout?.ChangeLayoutSiblingOrder(0);
391 Interop.NDalic.LowerToBottom(SwigCPtr);
392 if (NDalicPINVOKE.SWIGPendingException.Pending)
393 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
398 /// Queries if all resources required by a view are loaded and ready.
400 /// <remarks>Most resources are only loaded when the control is placed on the stage.
402 /// <since_tizen> 3 </since_tizen>
403 public bool IsResourceReady()
405 bool ret = Interop.View.IsResourceReady(SwigCPtr);
406 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
411 /// Gets the parent layer of this view.If a view has no parent, this method does not do anything.
413 /// <pre>The view has been initialized. </pre>
414 /// <returns>The parent layer of view </returns>
415 /// <since_tizen> 5 </since_tizen>
416 public Layer GetLayer()
418 //to fix memory leak issue, match the handle count with native side.
419 IntPtr cPtr = Interop.Actor.GetLayer(SwigCPtr);
420 Layer ret = this.GetInstanceSafely<Layer>(cPtr);
421 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
426 /// Removes a view from its parent view or layer. If a view has no parent, this method does nothing.
428 /// <pre>The (child) view has been initialized. </pre>
429 /// <since_tizen> 4 </since_tizen>
430 public void Unparent()
432 GetParent()?.Remove(this);
436 /// Search through this view's hierarchy for a view with the given name.
437 /// The view itself is also considered in the search.
439 /// <pre>The view has been initialized.</pre>
440 /// <param name="viewName">The name of the view to find.</param>
441 /// <returns>A handle to the view if found, or an empty handle if not.</returns>
442 /// <since_tizen> 3 </since_tizen>
443 public View FindChildByName(string viewName)
445 //to fix memory leak issue, match the handle count with native side.
446 IntPtr cPtr = Interop.Actor.FindChildByName(SwigCPtr, viewName);
447 View ret = this.GetInstanceSafely<View>(cPtr);
448 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
453 /// Converts screen coordinates into the view's coordinate system using the default camera.
455 /// <pre>The view has been initialized.</pre>
456 /// <remarks>The view coordinates are relative to the top-left(0.0, 0.0, 0.5).</remarks>
457 /// <param name="localX">On return, the X-coordinate relative to the view.</param>
458 /// <param name="localY">On return, the Y-coordinate relative to the view.</param>
459 /// <param name="screenX">The screen X-coordinate.</param>
460 /// <param name="screenY">The screen Y-coordinate.</param>
461 /// <returns>True if the conversion succeeded.</returns>
462 /// <since_tizen> 3 </since_tizen>
463 public bool ScreenToLocal(out float localX, out float localY, float screenX, float screenY)
465 bool ret = Interop.Actor.ScreenToLocal(SwigCPtr, out localX, out localY, screenX, screenY);
466 if (NDalicPINVOKE.SWIGPendingException.Pending)
467 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
472 /// Sets the relative to parent size factor of the view.<br />
473 /// This factor is only used when ResizePolicy is set to either:
474 /// ResizePolicy::SIZE_RELATIVE_TO_PARENT or ResizePolicy::SIZE_FIXED_OFFSET_FROM_PARENT.<br />
475 /// This view's size is set to the view's size multiplied by or added to this factor, depending on ResizePolicy.<br />
477 /// <pre>The view has been initialized.</pre>
478 /// <param name="factor">A Vector3 representing the relative factor to be applied to each axis.</param>
479 /// <since_tizen> 3 </since_tizen>
480 public void SetSizeModeFactor(Vector3 factor)
482 Interop.Actor.SetSizeModeFactor(SwigCPtr, Vector3.getCPtr(factor));
483 if (NDalicPINVOKE.SWIGPendingException.Pending)
484 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
487 /// Calculates the height of the view given a width.<br />
488 /// The natural size is used for default calculation.<br />
489 /// Size 0 is treated as aspect ratio 1:1.<br />
491 /// <param name="width">The width to use.</param>
492 /// <returns>The height based on the width.</returns>
493 /// <since_tizen> 3 </since_tizen>
494 public float GetHeightForWidth(float width)
496 float ret = Interop.Actor.GetHeightForWidth(SwigCPtr, width);
497 if (NDalicPINVOKE.SWIGPendingException.Pending)
498 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
503 /// Calculates the width of the view given a height.<br />
504 /// The natural size is used for default calculation.<br />
505 /// Size 0 is treated as aspect ratio 1:1.<br />
507 /// <param name="height">The height to use.</param>
508 /// <returns>The width based on the height.</returns>
509 /// <since_tizen> 3 </since_tizen>
510 public float GetWidthForHeight(float height)
512 float ret = Interop.Actor.GetWidthForHeight(SwigCPtr, height);
513 if (NDalicPINVOKE.SWIGPendingException.Pending)
514 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
519 /// Return the amount of size allocated for relayout.
521 /// <param name="dimension">The dimension to retrieve.</param>
522 /// <returns>Return the size.</returns>
523 /// <since_tizen> 3 </since_tizen>
524 public float GetRelayoutSize(DimensionType dimension)
526 float ret = Interop.Actor.GetRelayoutSize(SwigCPtr, (int)dimension);
527 if (NDalicPINVOKE.SWIGPendingException.Pending)
528 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
533 /// Set the padding for the view.
535 /// <param name="padding">Padding for the view.</param>
536 /// <since_tizen> 3 </since_tizen>
537 // [Obsolete("Deprecated in API9, will be removed in API11. Please use Padding property instead!")]
538 public void SetPadding(PaddingType padding)
540 Interop.Actor.SetPadding(SwigCPtr, PaddingType.getCPtr(padding));
541 if (NDalicPINVOKE.SWIGPendingException.Pending)
542 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
546 /// Return the value of padding for the view.
548 /// <param name="paddingOut">the value of padding for the view</param>
549 /// <since_tizen> 3 </since_tizen>
550 [Obsolete("Deprecated in API9, will be removed in API11. Please use Padding property instead!")]
551 public void GetPadding(PaddingType paddingOut)
553 Interop.Actor.GetPadding(SwigCPtr, PaddingType.getCPtr(paddingOut));
554 if (NDalicPINVOKE.SWIGPendingException.Pending)
555 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
558 /// <since_tizen> 3 </since_tizen>
559 public uint AddRenderer(Renderer renderer)
561 uint ret = Interop.Actor.AddRenderer(SwigCPtr, Renderer.getCPtr(renderer));
562 if (NDalicPINVOKE.SWIGPendingException.Pending)
563 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
567 /// <since_tizen> 3 </since_tizen>
568 public Renderer GetRendererAt(uint index)
570 //to fix memory leak issue, match the handle count with native side.
571 IntPtr cPtr = Interop.Actor.GetRendererAt(SwigCPtr, index);
572 HandleRef CPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
573 Renderer ret = Registry.GetManagedBaseHandleFromNativePtr(CPtr.Handle) as Renderer;
574 if (cPtr != null && ret == null)
576 ret = new Renderer(cPtr, false);
577 if (NDalicPINVOKE.SWIGPendingException.Pending)
578 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
581 Interop.BaseHandle.DeleteBaseHandle(CPtr);
582 CPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
584 if (NDalicPINVOKE.SWIGPendingException.Pending)
585 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
589 /// <since_tizen> 3 </since_tizen>
590 public void RemoveRenderer(Renderer renderer)
592 Interop.Actor.RemoveRenderer(SwigCPtr, Renderer.getCPtr(renderer));
593 if (NDalicPINVOKE.SWIGPendingException.Pending)
594 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
597 /// <since_tizen> 3 </since_tizen>
598 public void RemoveRenderer(uint index)
600 Interop.Actor.RemoveRenderer(SwigCPtr, index);
601 if (NDalicPINVOKE.SWIGPendingException.Pending)
602 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
605 /// This will be public opened in tizen_next after ACR done. Before ACR, need to be hidden as inhouse API.
606 [EditorBrowsable(EditorBrowsableState.Never)]
607 public void RotateBy(Degree angle, Vector3 axis)
609 Interop.ActorInternal.RotateByDegree(SwigCPtr, Degree.getCPtr(angle), Vector3.getCPtr(axis));
610 if (NDalicPINVOKE.SWIGPendingException.Pending)
611 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
614 /// This will be public opened in tizen_next after ACR done. Before ACR, need to be hidden as inhouse API.
615 [EditorBrowsable(EditorBrowsableState.Never)]
616 public void RotateBy(Radian angle, Vector3 axis)
618 Interop.ActorInternal.RotateByRadian(SwigCPtr, Radian.getCPtr(angle), Vector3.getCPtr(axis));
619 if (NDalicPINVOKE.SWIGPendingException.Pending)
620 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
623 /// This will be public opened in tizen_next after ACR done. Before ACR, need to be hidden as inhouse API.
624 [EditorBrowsable(EditorBrowsableState.Never)]
625 public void RotateBy(Rotation relativeRotation)
627 Interop.ActorInternal.RotateByQuaternion(SwigCPtr, Rotation.getCPtr(relativeRotation));
628 if (NDalicPINVOKE.SWIGPendingException.Pending)
629 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
632 /// This will be public opened in tizen_next after ACR done. Before ACR, need to be hidden as inhouse API.
633 [EditorBrowsable(EditorBrowsableState.Never)]
634 public void ScaleBy(Vector3 relativeScale)
636 Interop.ActorInternal.ScaleBy(SwigCPtr, Vector3.getCPtr(relativeScale));
637 if (NDalicPINVOKE.SWIGPendingException.Pending)
638 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
641 /// This will be public opened in next tizen after ACR done. Before ACR, need to be hidden as inhouse API.
642 [EditorBrowsable(EditorBrowsableState.Never)]
643 public void SetColorMode(ColorMode colorMode)
645 Interop.ActorInternal.SetColorMode(SwigCPtr, (int)colorMode);
646 if (NDalicPINVOKE.SWIGPendingException.Pending)
647 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
650 /// This will be public opened in tizen_next after ACR done. Before ACR, need to be hidden as inhouse API.
651 [EditorBrowsable(EditorBrowsableState.Never)]
652 public void ObjectDump()
654 if (0 == Children.Count)
656 Type type = this.GetType();
657 PropertyInfo[] properties = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
658 foreach (var property in properties)
660 if (null != property && property.CanRead)
662 Tizen.Log.Fatal("NUI", $"{type.Name} {property.Name} ({property.PropertyType.Name}): {property.GetValueString(this, property.PropertyType)}");
668 foreach (View view in Children)
675 /// Search through this View's hierarchy for a View with the given unique ID.
676 /// The View itself is also considered in the search.
678 /// <param name="id">The ID of the View to find</param>
679 /// <returns>A View if found or a null if not</returns>
680 [EditorBrowsable(EditorBrowsableState.Never)]
681 [Obsolete("This will be removed at API11! please use FindDescendantByID(uint id) instead!")]
682 public View FindChildByID(uint id)
684 IntPtr cPtr = Interop.Actor.FindChildById(SwigCPtr, id);
685 View ret = this.GetInstanceSafely<View>(cPtr);
686 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
691 /// Search through this View's hierarchy for a View with the given unique ID.
693 /// <param name="id">The ID of the View to find.</param>
694 /// <returns>A handle to the View if found, or an empty handle if not.</returns>
695 /// <since_tizen> 9 </since_tizen>
696 public View FindDescendantByID(uint id)
698 return FindChildById(id);
702 /// Raise view above the next sibling view.
704 /// <since_tizen> 9 </since_tizen>
707 var parentChildren = GetParent()?.Children;
709 if (parentChildren != null)
711 int currentIndex = parentChildren.IndexOf(this);
713 // If the view is not already the last item in the list.
714 if (currentIndex >= 0 && currentIndex < parentChildren.Count - 1)
716 View temp = parentChildren[currentIndex + 1];
717 parentChildren[currentIndex + 1] = this;
718 parentChildren[currentIndex] = temp;
720 Interop.NDalic.Raise(SwigCPtr);
721 if (NDalicPINVOKE.SWIGPendingException.Pending)
722 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
728 /// Lower the view below the previous sibling view.
730 /// <since_tizen> 9 </since_tizen>
733 var parentChildren = GetParent()?.Children;
735 if (parentChildren != null)
737 int currentIndex = parentChildren.IndexOf(this);
739 // If the view is not already the first item in the list.
740 if (currentIndex > 0 && currentIndex < parentChildren.Count)
742 View temp = parentChildren[currentIndex - 1];
743 parentChildren[currentIndex - 1] = this;
744 parentChildren[currentIndex] = temp;
746 Interop.NDalic.Lower(SwigCPtr);
747 if (NDalicPINVOKE.SWIGPendingException.Pending)
748 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
754 /// Raises the view to above the target view.
756 /// <remarks>The sibling order of views within the parent will be updated automatically.
757 /// Views on the level above the target view will still be shown above this view.
758 /// Once a raise or lower API is used then that view will have an exclusive sibling order independent of insertion.
760 /// <param name="target">Will be raised above this view.</param>
761 /// <since_tizen> 9 </since_tizen>
762 public void RaiseAbove(View target)
764 var parentChildren = GetParent()?.Children;
766 if (parentChildren != null)
768 int currentIndex = parentChildren.IndexOf(this);
769 int targetIndex = parentChildren.IndexOf(target);
771 if (currentIndex < 0 || targetIndex < 0 ||
772 currentIndex >= parentChildren.Count || targetIndex >= parentChildren.Count)
774 NUILog.Error("index should be bigger than 0 and less than children of layer count");
777 // If the currentIndex is less than the target index and the target has the same parent.
778 if (currentIndex < targetIndex)
780 parentChildren.Remove(this);
781 parentChildren.Insert(targetIndex, this);
783 Interop.NDalic.RaiseAbove(SwigCPtr, View.getCPtr(target));
784 if (NDalicPINVOKE.SWIGPendingException.Pending)
785 throw NDalicPINVOKE.SWIGPendingException.Retrieve();
792 /// Lowers the view to below the target view.
794 /// <remarks>The sibling order of views within the parent will be updated automatically.
795 /// Once a raise or lower API is used then that view will have an exclusive sibling order independent of insertion.
797 /// <param name="target">Will be lowered below this view.</param>
798 /// <since_tizen> 9 </since_tizen>
799 public void LowerBelow(View target)
801 var parentChildren = GetParent()?.Children;
803 if (parentChildren != null)
805 int currentIndex = parentChildren.IndexOf(this);
806 int targetIndex = parentChildren.IndexOf(target);
807 if (currentIndex < 0 || targetIndex < 0 ||
808 currentIndex >= parentChildren.Count || targetIndex >= parentChildren.Count)
810 NUILog.Error("index should be bigger than 0 and less than children of layer count");
814 // If the currentIndex is not already the 0th index and the target has the same parent.
815 if ((currentIndex != 0) && (targetIndex != -1) &&
816 (currentIndex > targetIndex))
818 parentChildren.Remove(this);
819 parentChildren.Insert(targetIndex, this);
821 Interop.NDalic.LowerBelow(SwigCPtr, View.getCPtr(target));
822 if (NDalicPINVOKE.SWIGPendingException.Pending)
823 throw NDalicPINVOKE.SWIGPendingException.Retrieve();