public class ComboBox{public int index;//索引public string weight="";//权重private int labelWidth = 60;//标题的宽public float Weight{get { return float.Parse(weight); }}/// <summary>/// 复选框的宽度/// </summary>public const int WIDTH = 150;/// <summary>/// 复选框的高度/// </summary>public const int Height = 20;/// <summary>/// Lable/// </summary>public string label = "";public int viewAreaHeight = 200;public ComboBox(Dictionary<object, object> dataSource,int viewHeight = 200){if (dataSource == null){dataSource = new Dictionary<object, object>();for (int i = 0; i < 50; i++){dataSource.Add(i, string.Format("<color=#ff0000ff>请初始化数据 {0}</color>" ,i));}}viewAreaHeight = viewHeight;this.Init(dataSource,1);}private Dictionary<object, object> dataSource;private object currentValue;private object currentDisplayText;private int currentIndex;private bool showList;private Vector2 scrollPosition;private float showListTime;private int guiDepth;private bool alreadyInitGuiDepth;/// <summary>/// 选择项更改事件参数 /// </summary>public class SelectItemChangedArgs : EventArgs{private object itemValue;private object itemDisplayText;public object ItemValue{get{return itemValue;}}public object ItemDisplayText{get{return itemDisplayText;}}public SelectItemChangedArgs(object iValue, object iDisplayText){itemValue = iValue;itemDisplayText = iDisplayText;}}/// <summary>/// 选择项更改事件 /// </summary>public event EventHandler<SelectItemChangedArgs> OnSelectItemChanged;public object SelectValue{get { return currentValue; }}public object SelectDisplayText{get { return currentDisplayText; }}public float ShowListTime{get { return showListTime; }}/// <summary>/// 数据源 /// </summary>public Dictionary<object, object> DataSource{set{dataSource = value;currentDisplayText = null;currentValue = null;}get{return dataSource;}}/// <summary>/// 初始化各项参数,控件应该只调用一次此方法,进行重置数据源直接使用DataSource属性即可 /// </summary>/// <param name="data">/// A <see cref="Dictionary<System.Object, System.Object>"/>/// </param>/// <param name="depth">/// A <see cref="System.Int32"/>/// </param>public void Init(Dictionary<object, object> data, int depth){dataSource = data;currentIndex = -1;//将控件置于当前GUI元素之上,并且只在第一次调用初始化方法设置GUI深度,防止循环中重复调用if (!alreadyInitGuiDepth){//guiDepth = GUI.depth - 1;alreadyInitGuiDepth = true;}currentDisplayText = null;currentValue = null;}/// <summary>/// 强行设置下拉列表是否是示 /// </summary>/// <param name="show">/// A <see cref="System.Boolean"/>/// </param>public void SetShowList(bool show){if (showList){showList = show;}}/// <summary>/// 绘制下拉列表框 /// </summary>public void Draw(){if (dataSource == null){return;}if (currentDisplayText == null || currentValue == null){if (dataSource.Count > 0){currentDisplayText = dataSource.Values.First();currentValue = dataSource.Keys.First();currentIndex = 0;}else{currentDisplayText = "无";currentValue = -1;currentIndex = -1;}}GUILayout.BeginVertical(GUILayout.Width(WIDTH));GUILayout.BeginHorizontal();int spaceW = labelWidth;if (label == null || label.Equals("")){spaceW = 0;}GUILayout.Label(label, GUILayout.Width(spaceW));string buttonName = "";if(currentDisplayText == null){buttonName = "无";}else if(currentDisplayText is monster_model){buttonName = ((monster_model)currentDisplayText).name;}else if(currentDisplayText is string){buttonName = currentDisplayText.ToString();}buttonName += (showList ? "   <color=#f27272FF>></color>" : "   <color=#f27272FF>V</color>");if (GUILayout.Button(buttonName,GUILayout.Width(WIDTH + 20))){showList = !showList;if (showList){showListTime = Time.time;}else{showListTime = 0f;}}GUILayout.EndHorizontal();this.DrawList();GUILayout.EndVertical();}/// <summary>/// 绘制列表项/// </summary>public void DrawList(){if (showList == true){//为了留出最方下的横线,这里高度减1GUILayout.BeginHorizontal();int spaceW = labelWidth;if (label == null || label.Equals("")){spaceW = 0;}GUILayout.Label("", GUILayout.Width(spaceW));scrollPosition = Vector2.Lerp(scrollPosition, GUILayout.BeginScrollView(scrollPosition, true, true,GUILayout.Width(WIDTH+20),GUILayout.Height(this.viewAreaHeight)), 0.5f);for (int i = 0; i < dataSource.Count; i++){drawItem(i);}GUILayout.EndScrollView();GUILayout.EndHorizontal();}}/// <summary>/// 绘制内容项,并响应事件 /// </summary>/// <param name="index">/// A <see cref="System.Int32"/>/// </param>private void drawItem(int index){object value = dataSource.Values.ElementAt(index);string buttonName = value as string;if(value is monster_model){buttonName = ((monster_model)value).name;}if (GUILayout.Button(buttonName,GUILayout.Width(WIDTH))){if(value is monster_model){currentDisplayText = ((monster_model)value).name;currentValue = dataSource.Keys.ElementAt(index);}else{currentDisplayText = value;currentValue = dataSource.Keys.ElementAt(index);}if (currentIndex != index){currentIndex = index;if (OnSelectItemChanged != null){if(value is monster_model){OnSelectItemChanged(this, new SelectItemChangedArgs(currentValue, value));}else{OnSelectItemChanged(this, new SelectItemChangedArgs(currentValue, currentDisplayText));}}}showList = false;}}public void OnGUI(){GUI.depth = guiDepth;this.Draw();}/// <summary>/// 按时间比较各ComboBox控件的顺序,初衷是为了点击新的控件时,其它ComboBox控件下拉列表自动隐藏 /// </summary>public class ShowListComparer : IComparer<ComboBox>{#region IComparer[ComboBox] implementationint IComparer<ComboBox>.Compare(ComboBox x, ComboBox y){return x.showListTime.CompareTo(y.showListTime) * -1;}#endregion}}