HeavenStudio/Assets/Plugins/StandaloneFileBrowser/Sample/CanvasSampleOpenFileTextMultiple.cs

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2022-01-30 12:03:37 +00:00
using System.Text;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using SFB;
[RequireComponent(typeof(Button))]
public class CanvasSampleOpenFileTextMultiple : MonoBehaviour, IPointerDownHandler {
public Text output;
#if UNITY_WEBGL && !UNITY_EDITOR
//
// WebGL
//
[DllImport("__Internal")]
private static extern void UploadFile(string gameObjectName, string methodName, string filter, bool multiple);
public void OnPointerDown(PointerEventData eventData) {
UploadFile(gameObject.name, "OnFileUpload", ".txt", true);
}
// Called from browser
public void OnFileUpload(string urls) {
StartCoroutine(OutputRoutine(urls.Split(',')));
}
#else
//
// Standalone platforms & editor
//
public void OnPointerDown(PointerEventData eventData) { }
void Start() {
var button = GetComponent<Button>();
button.onClick.AddListener(OnClick);
}
private void OnClick() {
// var paths = StandaloneFileBrowser.OpenFilePanel("Title", "", "txt", true);
var paths = StandaloneFileBrowser.OpenFilePanel("Open File", "", "", true);
if (paths.Length > 0) {
var urlArr = new List<string>(paths.Length);
for (int i = 0; i < paths.Length; i++) {
urlArr.Add(new System.Uri(paths[i]).AbsoluteUri);
}
StartCoroutine(OutputRoutine(urlArr.ToArray()));
}
}
#endif
private IEnumerator OutputRoutine(string[] urlArr) {
var outputText = "";
for (int i = 0; i < urlArr.Length; i++) {
var loader = new WWW(urlArr[i]);
yield return loader;
outputText += loader.text;
}
output.text = outputText;
}
}