using System;
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using System.Collections.Generic;
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using Shared.IO;
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using UIKit;
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namespace Shared
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{
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/// <summary>
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/// ViewGroup 按键
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/// </summary>
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public class ViewGroup : View
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{
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/// <summary>
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/// 当前真实的控件
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/// </summary>
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internal UIView realViewGroup;
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/// <summary>
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/// 当前控件
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/// </summary>
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/// <value>The view group.</value>
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internal UIView viewGroup
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{
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get
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{
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return uiView as UIView;
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}
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set
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{
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uiView = value;
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uiView.AddSubview(backgroundImage);
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}
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}
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/// <summary>
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/// 当前背景图
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/// </summary>
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UIKit.UIImageView backgroundImage = new UIImageView() { Tag = int.MinValue};
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/// <summary>
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/// 控件宽度
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/// </summary>
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public override int Width
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{
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get
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{
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return base.Width;
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}
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set
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{
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base.Width = value;
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if (!IsCanRefresh)
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return;
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var frame = backgroundImage.Frame;
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frame.Width = base.Width;
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backgroundImage.Frame = frame;
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var frame2 = realViewGroup.Frame;
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frame2.Width = base.Width;
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realViewGroup.Frame = frame2;
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}
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}
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/// <summary>
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/// 控件的高度
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/// </summary>
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/// <value>The height.</value>
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public override int Height
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{
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get
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{
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return base.Height;
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}
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set
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{
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base.Height = value;
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if (!IsCanRefresh)
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return;
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var frame = backgroundImage.Frame;
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frame.Height = base.Height;
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backgroundImage.Frame = frame;
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var frame2 = realViewGroup.Frame;
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frame2.Height = base.Height;
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realViewGroup.Frame = frame2;
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}
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}
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/// <summary>
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/// 增加子控件
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/// </summary>
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/// <param name="view">View.</param>
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public virtual void AddChidren(View view)
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{
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view.Parent = this;
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viewList.Add(view);
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realViewGroup.AddSubview(view.RealView);
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if (!IsCanRefresh)
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{
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return;
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}
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view.Refresh();
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addParentToAllSubViews(view);
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if (view is ViewGroup)
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{
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var tempViewGroup = (ViewGroup)view;
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for (int i = 0; i < tempViewGroup.ChildrenCount; i++)
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{
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tempViewGroup.GetChildren(i).Refresh();
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}
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}
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}
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internal void addParentToAllSubViews(View view)
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{
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if (view is ViewGroup)
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{
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var viewgroup = view as ViewGroup;
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for (int i = 0; i < viewgroup.viewList.Count; i++)
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{
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var _view = viewgroup.viewList[i];
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if (_view == null) continue;
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_view.Parent = viewgroup;
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addParentToAllSubViews(_view);//递归，将子控件所包含的控件也一并移除；
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}
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}
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}
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/// <summary>
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/// 控件数量
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/// </summary>
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/// <value>The children count.</value>
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public virtual int ChildrenCount { get { return viewList.Count; } }
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/// <summary>
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/// 控件列表
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/// </summary>
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internal System.Collections.Generic.List<View> viewList = new System.Collections.Generic.List<View>();
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string backgroundImagePath;
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/// <summary>
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/// 背景图片
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/// </summary>
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/// <value>The background image path.</value>
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public virtual string BackgroundImagePath
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{
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get
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{
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return backgroundImagePath;
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}
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set
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{
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backgroundImagePath = value;
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if (!IsCanRefresh || Radius != 0)
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{
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return;
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}
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backgroundImage.Image = UIImage.FromFile(FileUtils.GetImageFilePath(backgroundImagePath));
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}
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}
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/// <summary>
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/// 刷新界面
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/// </summary>
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public override void Refresh()
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{
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base.Refresh();
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BackgroundImagePath = backgroundImagePath;
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}
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/// <summary>
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/// 移除控件
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/// </summary>
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/// <param name="view">View.</param>
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internal virtual void Remove(View view)
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{
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if (view == null)
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{
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return;
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}
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viewList.Remove(view);
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if (view.RealView.Superview != null)
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{
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view.RealView.RemoveFromSuperview();
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}
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view.Parent = null;
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}
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internal virtual void removeChildParent()
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{
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for (int i = 0; i < viewList.Count; i++)
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{
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var view = viewList[i];
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if (view == null) continue;
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if (view is ViewGroup)
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{
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(view as ViewGroup).removeChildParent();
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}
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view.Parent = null;
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}
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}
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public override void RemoveFromParent()
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{
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removeChildParent();
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base.RemoveFromParent();
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}
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/// <summary>
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/// 清空所有的控件
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/// </summary>
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public virtual void RemoveAll()
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{
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while (0 < viewList.Count)
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{
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GetChildren(0)?.RemoveFromParent();
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}
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}
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/// <summary>
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/// 移除指定索引对象
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/// </summary>
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/// <param name="index">Index.</param>
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public virtual void RemoveAt(int index)
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{
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//Remove(GetChildren(index));
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GetChildren(index)?.RemoveFromParent();
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}
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/// <summary>
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/// 获取指定索引对象
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/// </summary>
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/// <returns>The children.</returns>
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/// <param name="index">Index.</param>
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public View GetChildren(int index)
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{
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if (index < 0 || viewList.Count - 1 < index)
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{
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return null;
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}
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return viewList[index];
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}
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/// <summary>
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/// 根据类型移除控件
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/// </summary>
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/// <param name="type">Type.</param>
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public void RemoveViewByType(System.Type type)
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{
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for (int i = 0; i < viewList.Count; i++)
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{
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if (viewList[i].GetType() == type)
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{
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viewList[i].RemoveFromParent();
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i--;
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}
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}
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}
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/// <summary>
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/// 根据Tag移除控件
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/// </summary>
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/// <param name="type">Type.</param>
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public void RemoveViewByTag(object tag)
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{
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for (int i = 0; i < viewList.Count; i++)
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{
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if (viewList[i].Tag == tag)
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{
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viewList[i].RemoveFromParent();
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i--;
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}
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}
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}
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}
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}
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