Unity3D研究院编辑器之打开unity不可识别的文件（十三）

using UnityEngine;
using UnityEditor;
using UnityEditor.Callbacks;

public class MyAssetHandler
{

    [OnOpenAssetAttribute(1)]
    public static bool step1(int instanceID, int line)
    {
       //string name = EditorUtility.InstanceIDToObject(instanceID).name;
       // Debug.Log("Open Asset step: 1 (" + name + ")");
        return false; // we did not handle the open
    }

    // step2 has an attribute with index 2, so will be called after step1
    [OnOpenAssetAttribute(2)]
    public static bool step2(int instanceID, int line)
    {

        string path = AssetDatabase.GetAssetPath(EditorUtility.InstanceIDToObject(instanceID));
        string name = Application.dataPath + "/" + path.Replace("Assets/", "");


        if (name.EndsWith(".xx"))
        {
            System.Diagnostics.Process process = new System.Diagnostics.Process();
            System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
            startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
            startInfo.FileName = "D:/Program Files/Sublime Text 3/sublime_text.exe";
            startInfo.Arguments = name;
            process.StartInfo = startInfo;
            process.Start();
            return true;
        }
       // Debug.Log("Open Asset step: 2 (" + name + ")");
        return false; // we did not handle the open
    }
}

	static bool OpenFileAtLineExternal(string fileName, int line)
	{
		#if UNITY_EDITOR_OSX 
		string sublimePath = @"/Applications/Sublime Text.app/Contents/SharedSupport/bin/subl";
		if(File.Exists(sublimePath)){
			System.Diagnostics.Process proc = new System.Diagnostics.Process();
			proc.StartInfo.FileName =sublimePath;
			proc.StartInfo.Arguments = string.Format("{0}:{1}:0",fileName,line);
			proc.Start();
			return true;
		}else{
			return InternalEditorUtility.OpenFileAtLineExternal(fileName, line);
		}
		#else
		return InternalEditorUtility.OpenFileAtLineExternal(fileName, line);
		#endif
	}