SandTraySystem_BaoLiJiaJiuDdian/Assets/Scripts/UIScripts/DropdownListData.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;


public class DropdownListData : MonoBehaviour
{
    private Dropdown ThisDropdown;
    public string SelectText
    {
        get
        {
            return ThisDropdown.captionText.text;
        }

        set
        {
            SetDropdownValue(value);
        }
    }

    void Awake()
    {
        ThisDropdown = this.GetComponent<Dropdown>();
    }
    public void AddData(string data)
    {
        Dropdown.OptionData tempData = new Dropdown.OptionData();
        tempData.text = data;
        ThisDropdown.options.Add(tempData);
    }
    public void DataBind(List<string> List)
    {
        ThisDropdown.ClearOptions();
        Dropdown.OptionData tempData;
        if (List == null || List.Count <= 0)
        {
            ThisDropdown.captionText.text = string.Empty;
            return;
        }
        for (int i = 0; i < List.Count; i++)
        {
            tempData = new Dropdown.OptionData();
            tempData.text = List[i];
            ThisDropdown.options.Add(tempData);
        }
        ThisDropdown.value = 0;
        ThisDropdown.captionText.text = ThisDropdown.options[0].text;
    }
    public void SetDropdownValue(string text)
    {
        int index = ThisDropdown.options.FindIndex((x) => { return x.text == text; });
        if (index != -1)
        {
            ThisDropdown.value = index;
            ThisDropdown.captionText.text = text;
        }
        else
            ThisDropdown.captionText.text = text;
    }
}