Legacy Documentation: Version 5.5
LanguageEnglish
  • C#
  • JS

Script language

Select your preferred scripting language. All code snippets will be displayed in this language.

EditorWindow.OnSelectionChange()

Other Versions

Description

Called whenever the selection has changed.


Saves the current selection and load it later with a simple click.

// Simple example that lets you save the current selection and load it.
 
using UnityEngine;
using UnityEditor;
using System.Collections;
 
public class ExampleClass : EditorWindow {

	private int[] selectionIDs;
 
	[MenuItem ("Example/Selection Saver")]
 
	private static void Init() {
		ExampleClass window = (ExampleClass)GetWindow(typeof(ExampleClass));
		window.Show();
	}
 
	void OnGUI() {
		if(GUILayout.Button("Save"))
			SaveSelection();
		if(GUILayout.Button("Load"))
			LoadLastSavedSelection();
	}
 
	void OnSelectionChange() {
		selectionIDs = Selection.instanceIDs;
	}
 
	private void SaveSelection() {
		var saveStr = "";
		foreach(int i in selectionIDs) {
			saveStr += i.ToString() + ";";
		}
		saveStr = saveStr.TrimEnd(char.Parse(";"));
		EditorPrefs.SetString("SelectedIDs",saveStr);
	}
 
	private void LoadLastSavedSelection() {
		string[] strIDs = EditorPrefs.GetString("SelectedIDs").Split(char.Parse(";"));
 
		int[] ids = new int[strIDs.Length];
		for(var i = 0; i < strIDs.Length; i++)
			ids[i] = int.Parse(strIDs[i]);
		Selection.instanceIDs = ids;
	}
}
Copyright ?? 2017 Unity Technologies. Publication 5.5-001G 2017-03-29
Tutorials Community Answers Knowledge Base Forums Asset Store LegalPrivacy PolicyCookiesDo Not Sell or Share My Personal Information