// This function is called when the object is loaded
private void OnEnable()
{
// Get the scriptable object of the project containing all tags and load them
reference = MultiTagsUtility.GetTagsAsset();
// Creates editor for the reference
referenceEditor = (TagsEditor)Editor.CreateEditor(reference);
}
/// <summary>
/// Check if the tag name is valid.
/// </summary>
private void CheckName()
{
// If the new tag name entered contains the tag separator, indicate it and refuse to create the tag
if (tagName.Contains(MultiTags.TAG_SEPARATOR))
{
doesNameContainSeparator = true;
doesNameAlreadyExist = false;
isNameEmpty = false;
SetBigSize();
}
else if (doesNameContainSeparator)
{
doesNameContainSeparator = false;
SetSmallSize();
}
// If a tag with the same name already exist, indicate it and refuse to create the tag
if (MultiTagsUtility.GetUnityTags().Contains(tagName))
{
doesNameAlreadyExist = true;
isNameEmpty = false;
SetBigSize();
}
else if (doesNameAlreadyExist)
{
doesNameAlreadyExist = false;
SetSmallSize();
}
// If the name entered is empty, indicate it and refuse to create the tag
if (string.IsNullOrEmpty(tagName.Trim()))
{
isNameEmpty = true;
SetBigSize();
}
else if (isNameEmpty)
{
isNameEmpty = false;
SetSmallSize();
}
}
/// <summary>
/// Draws this editor window content.
/// </summary>
private void DrawEditor()
{
EditorGUILayout.BeginHorizontal();
// Set the name & color of the new tag
EditorGUILayout.LabelField(new GUIContent("Name :", "Name of the new tag to create"), GUILayout.Width(50));
EditorGUI.BeginChangeCheck();
tagName = EditorGUILayout.TextField(tagName, GUILayout.Width(100));
if (EditorGUI.EndChangeCheck())
{
CheckName();
}
EditorGUILayout.LabelField(new GUIContent("Color :", "Color of the new tag to create"), GUILayout.Width(50));
color = EditorGUILayout.ColorField(color, GUILayout.Width(100));
EditorGUILayout.EndHorizontal();
GUILayout.Space(10);
EditorGUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
if (GUILayout.Button("Create", EditorStyles.miniButton, GUILayout.ExpandWidth(false)) && !doesNameAlreadyExist && !doesNameContainSeparator && !isNameEmpty)
{
// If everything is okay, create the new tag
MultiTagsUtility.CreateTag(new Tag(tagName, color));
Close();
}
EditorGUILayout.EndHorizontal();
// If the name contains the tag separator, indicate it
if (doesNameContainSeparator)
{
EditorGUILayout.HelpBox("The name of the tag cannot contains \'" + MultiTags.TAG_SEPARATOR + "\'.", MessageType.Warning);
}
// If the name is not valid, indicate it
else if (doesNameAlreadyExist)
{
EditorGUILayout.HelpBox("A tag with the same name already exist.", MessageType.Warning);
}
// If the name is empty, indicate it
else if (isNameEmpty)
{
EditorGUILayout.HelpBox("You must enter a name.", MessageType.Warning);
}
}
/// <summary>
/// Removes a tag from the project.
/// </summary>
/// <param name="_tag">Tag to remove</param>
public void RemoveTag(Tag _tag)
{
// Display informative dialog about tag suppresion
if (!EditorUtility.DisplayDialog("Confirm \"" + _tag.Name + "\" Tag Suppresion",
"Are you sure you want to remove the Tag \"" + _tag.Name + "\" from the project ?" + "\n\n" +
"This tag will be removed from all Game Objects with this tag in loaded scene(s), but if a Game Object " +
"in an unloaded scene has it, it will keep it and tag will be recreated when loading this scene." + "\n\n" +
"To be sure the tag will be definitely removed, please check in other scenes and remove it from objects " +
"having it first.",
"Confirm",
"Cancel"))
{
return;
}
MultiTagsUtility.DestroyTag(_tag.Name);
}
/// <summary>
/// Connect this project Unity tags with the tags asset to create missing ones on both of them.
/// </summary>
private void ConnectProjectTags()
{
List <string> _projectTags = MultiTagsUtility.GetUnityTags().ToList();
List <string> _projectMultiTags = _projectTags.SelectMany(t => t.Split(MultiTags.TAG_SEPARATOR)).Distinct().ToList();
string[] _referenceTags = tagsSO.CustomTags.TagNames;
string[] _referenceUnityTags = tagsSO.UnityBuiltInTags.TagNames;
// Adds each tag of this scriptable object to the project in not having them yet
foreach (string _tag in _referenceTags)
{
if (!_projectTags.Contains(_tag))
{
MultiTagsUtility.CreateUnityTag(_tag);
}
else
{
_projectTags.Remove(_tag);
}
if (_projectMultiTags.Contains(_tag))
{
_projectMultiTags.Remove(_tag);
}
}
// Adds all tags of this project this object doesn't have to it
foreach (string _tag in _projectMultiTags)
{
if (MultiTags.BuiltInTagsNames.Contains(_tag))
{
if (!_referenceUnityTags.Contains(_tag))
{
tagsSO.UnityBuiltInTags.AddTag(new Tag(_tag));
}
}
else
{
tagsSO.CustomTags.AddTag(new Tag(_tag));
}
}
// Saves the asset
EditorUtility.SetDirty(tagsSO);
}
/// <summary>
/// Draws an editor for the custom tag system for the GameObject class.
/// </summary>
private void DrawTagSystem()
{
// If editing game object(s) tag has changed, update its tags
if (targetGO.Select(g => g.tag) != lastTags)
{
GetObjectsTags();
Repaint();
}
EditorGUILayout.BeginHorizontal();
// Title of the tag section
EditorGUILayout.LabelField(new GUIContent("Tags"), EditorStyles.boldLabel);
// Creates a button at the top right of the inspector to open the tags editor window
// First, get its rect, then draw it
Rect _editButtonRect = GUILayoutUtility.GetRect(new GUIContent("Edit Tags"), EditorStyles.miniButtonRight, GUILayout.Width(100));
if (GUI.Button(_editButtonRect, "Edit Tags", EditorStyles.miniButtonRight))
{
TagsEditorWindow.CallWindow();
}
EditorGUILayout.EndHorizontal();
// Draws the tag section for editing objects
if (isUnfolded)
{
// Draws a tags field, to edit tag from editing object(s)
Action <Tag> _addTagCallback = new Action <Tag>((Tag _tag) => MultiTagsUtility.AddTagToGameObjects(_tag, targetGO));
Action <Tag> _removeTagCallback = new Action <Tag>((Tag _tag) => MultiTagsUtility.RemoveTagFromGameObjects(_tag, targetGO));
MultiTagsUtility.GUILayoutTagsField(editingTags, _addTagCallback, _removeTagCallback, true);
if (haveTargetsDifferentTags)
{
EditorGUILayout.HelpBox("You are editing Game Objects with different tags.\n" +
"Only tags in common will be displayed in the inspector.", MessageType.Info);
}
}
// Males a space in the editor to finish
GUILayout.Space(7);
}
/// <summary>
/// Displays the tags of the project.
/// </summary>
public void DrawTags()
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.BeginVertical();
GUILayout.Space(10);
// Draws a header
EditorGUILayout.LabelField("Unity built-in Tags", EditorStyles.boldLabel);
EditorGUILayout.EndVertical();
GUILayout.FlexibleSpace();
// Draw a button on top right to connect project tags
if (GUILayout.Button(new GUIContent("Connect Project Tags", "Use this if Unity tags or tags on this asset have been created without using this editor ;\nThis will connect this project Unity tags with the tags asset to create missing tags on both of them."), GUILayout.Width(150), GUILayout.Height(25)))
{
ConnectProjectTags();
}
EditorGUILayout.EndHorizontal();
GUILayout.Space(10);
// If no tags, draws a information box and return
if (tagsSO.UnityBuiltInTags == null || tagsSO.UnityBuiltInTags.ObjectTags.Length == 0)
{
EditorGUILayout.HelpBox("No built-in tag found on this project", MessageType.Info);
}
else
{
// Draw Unity built-in tags
MultiTagsUtility.GUILayoutDisplayTags(tagsSO.UnityBuiltInTags.ObjectTags);
}
GUILayout.Space(10);
EditorGUILayout.BeginHorizontal();
// Draws a header with a little plus button next to it, allowing to create new tags
GUIContent _customTags = new GUIContent("Custom Tags", "Tags created by users on this project");
EditorGUILayout.LabelField(_customTags, EditorStyles.boldLabel, GUILayout.MaxWidth(EditorStyles.boldLabel.CalcSize(_customTags).x));
GUIStyle _olPlus = MultiTagsUtility.OLPlusStyle;
Rect _buttonRect = GUILayoutUtility.GetRect(GUIContent.none, _olPlus);
_buttonRect.y += 2;
if (GUI.Button(_buttonRect, new GUIContent(string.Empty, "Create a new tag on this project"), _olPlus))
{
CreateTagWindow.CallWindow();
}
EditorGUILayout.EndHorizontal();
GUILayout.Space(10);
// If no tags, draws a information box and return
if (tagsSO.CustomTags == null || tagsSO.CustomTags.ObjectTags.Length == 0)
{
EditorGUILayout.HelpBox("No tag found on this project. How about create a first one ?", MessageType.Info);
}
else
{
// Draw all custom tags ; if clicking on a tag left button, remove it from the project and repaint
MultiTagsUtility.GUILayoutTagsField(tagsSO.CustomTags.ObjectTags, RemoveTag);
}
}
