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230 lines
9.1 KiB
230 lines
9.1 KiB
using System; |
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using System.Collections.Generic; |
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#if UNITY_2021_2_OR_NEWER |
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using UnityEditor.SceneManagement; |
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#else |
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using UnityEditor.Experimental.SceneManagement; |
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#endif |
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using UnityEngine; |
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namespace UnityEditor.Timeline |
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{ |
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enum TitleMode |
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{ |
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None, |
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DisabledComponent, |
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Prefab, |
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PrefabOutOfContext, |
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Asset, |
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GameObject |
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} |
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struct BreadCrumbTitle |
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{ |
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public string name; |
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public TitleMode mode; |
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} |
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class BreadcrumbDrawer |
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{ |
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static readonly GUIContent s_TextContent = new GUIContent(); |
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static readonly string k_DisabledComponentText = L10n.Tr("The PlayableDirector is disabled"); |
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static readonly string k_PrefabOutOfContext = L10n.Tr("Prefab Isolation not enabled. Click to Enable."); |
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static readonly GUIStyle k_BreadCrumbLeft; |
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static readonly GUIStyle k_BreadCrumbMid; |
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static readonly GUIStyle k_BreadCrumbLeftBg; |
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static readonly GUIStyle k_BreadCrumbMidBg; |
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static readonly GUIStyle k_BreadCrumbMidSelected; |
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static readonly GUIStyle k_BreadCrumbMidBgSelected; |
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static readonly Texture k_TimelineIcon; |
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const string k_Elipsis = "…"; |
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static BreadcrumbDrawer() |
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{ |
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k_BreadCrumbLeft = "GUIEditor.BreadcrumbLeft"; |
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k_BreadCrumbMid = "GUIEditor.BreadcrumbMid"; |
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k_BreadCrumbLeftBg = "GUIEditor.BreadcrumbLeftBackground"; |
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k_BreadCrumbMidBg = "GUIEditor.BreadcrumbMidBackground"; |
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k_BreadCrumbMidSelected = k_BreadCrumbMid; |
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k_BreadCrumbMidSelected.normal = k_BreadCrumbMidSelected.onNormal; |
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k_BreadCrumbMidBgSelected = k_BreadCrumbMidBg; |
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k_BreadCrumbMidBgSelected.normal = k_BreadCrumbMidBgSelected.onNormal; |
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k_TimelineIcon = EditorGUIUtility.IconContent("TimelineAsset Icon").image; |
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} |
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static string FitTextInArea(float areaWidth, string text, GUIStyle style) |
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{ |
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var borderWidth = style.border.left + style.border.right; |
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var textWidth = style.CalcSize(EditorGUIUtility.TextContent(text)).x; |
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if (borderWidth + textWidth < areaWidth) |
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return text; |
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// Need to truncate the text to fit in the areaWidth |
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var textAreaWidth = areaWidth - borderWidth; |
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var pixByChar = textWidth / text.Length; |
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var charNeeded = (int)Mathf.Floor(textAreaWidth / pixByChar); |
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charNeeded -= k_Elipsis.Length; |
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if (charNeeded <= 0) |
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return k_Elipsis; |
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if (charNeeded <= text.Length) |
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return k_Elipsis + " " + text.Substring(text.Length - charNeeded); |
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return k_Elipsis; |
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} |
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public static void Draw(float breadcrumbAreaWidth, List<BreadCrumbTitle> labels, Action<int> navigateToBreadcrumbIndex) |
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{ |
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GUILayout.BeginHorizontal(); |
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{ |
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var labelWidth = (int)(breadcrumbAreaWidth / labels.Count); |
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for (var i = 0; i < labels.Count; i++) |
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{ |
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var label = labels[i]; |
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var style = i == 0 ? k_BreadCrumbLeft : k_BreadCrumbMid; |
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var backgroundStyle = i == 0 ? k_BreadCrumbLeftBg : k_BreadCrumbMidBg; |
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if (i == labels.Count - 1) |
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{ |
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if (i > 0) // Only tint last breadcrumb if we are dug-in |
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DrawBreadcrumbAsSelectedSubSequence(labelWidth, label, k_BreadCrumbMidSelected, k_BreadCrumbMidBgSelected); |
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else |
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DrawActiveBreadcrumb(labelWidth, label, style, backgroundStyle); |
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} |
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else |
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{ |
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var previousContentColor = GUI.contentColor; |
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GUI.contentColor = new Color(previousContentColor.r, |
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previousContentColor.g, |
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previousContentColor.b, |
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previousContentColor.a * 0.6f); |
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var content = GetTextContent(labelWidth, label, style); |
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var rect = GetBreadcrumbLayoutRect(content, style); |
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if (Event.current.type == EventType.Repaint) |
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backgroundStyle.Draw(rect, GUIContent.none, 0); |
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if (GUI.Button(rect, content, style)) |
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navigateToBreadcrumbIndex.Invoke(i); |
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GUI.contentColor = previousContentColor; |
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} |
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} |
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} |
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GUILayout.EndHorizontal(); |
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} |
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static GUIContent GetTextContent(int width, BreadCrumbTitle text, GUIStyle style) |
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{ |
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s_TextContent.tooltip = string.Empty; |
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s_TextContent.image = null; |
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if (text.mode == TitleMode.DisabledComponent) |
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{ |
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s_TextContent.tooltip = k_DisabledComponentText; |
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s_TextContent.image = EditorGUIUtility.GetHelpIcon(MessageType.Warning); |
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} |
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else if (text.mode == TitleMode.Prefab) |
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s_TextContent.image = PrefabUtility.GameObjectStyles.prefabIcon; |
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else if (text.mode == TitleMode.GameObject) |
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s_TextContent.image = PrefabUtility.GameObjectStyles.gameObjectIcon; |
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else if (text.mode == TitleMode.Asset) |
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s_TextContent.image = k_TimelineIcon; |
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else if (text.mode == TitleMode.PrefabOutOfContext) |
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{ |
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s_TextContent.image = PrefabUtility.GameObjectStyles.prefabIcon; |
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if (!TimelineWindow.instance.locked) |
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s_TextContent.tooltip = k_PrefabOutOfContext; |
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} |
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if (s_TextContent.image != null) |
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width = Math.Max(0, width - s_TextContent.image.width); |
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s_TextContent.text = FitTextInArea(width, text.name, style); |
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return s_TextContent; |
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} |
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static void DrawBreadcrumbAsSelectedSubSequence(int width, BreadCrumbTitle label, GUIStyle style, GUIStyle backgroundStyle) |
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{ |
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var rect = DrawActiveBreadcrumb(width, label, style, backgroundStyle); |
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const float underlineThickness = 2.0f; |
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const float underlineVerticalOffset = 0.0f; |
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var underlineHorizontalOffset = backgroundStyle.border.right * 0.333f; |
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var underlineRect = Rect.MinMaxRect( |
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rect.xMin - underlineHorizontalOffset, |
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rect.yMax - underlineThickness - underlineVerticalOffset, |
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rect.xMax - underlineHorizontalOffset, |
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rect.yMax - underlineVerticalOffset); |
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EditorGUI.DrawRect(underlineRect, DirectorStyles.Instance.customSkin.colorSubSequenceDurationLine); |
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} |
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static Rect GetBreadcrumbLayoutRect(GUIContent content, GUIStyle style) |
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{ |
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// the image makes the button far too big compared to non-image versions |
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var image = content.image; |
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content.image = null; |
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var size = style.CalcSizeWithConstraints(content, Vector2.zero); |
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content.image = image; |
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if (image != null) |
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size.x += size.y; // assumes square image, constrained by height |
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return GUILayoutUtility.GetRect(content, style, GUILayout.MaxWidth(size.x)); |
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} |
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static Rect DrawActiveBreadcrumb(int width, BreadCrumbTitle label, GUIStyle style, GUIStyle backgroundStyle) |
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{ |
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var content = GetTextContent(width, label, style); |
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var rect = GetBreadcrumbLayoutRect(content, style); |
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if (Event.current.type == EventType.Repaint) |
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{ |
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backgroundStyle.Draw(rect, GUIContent.none, 0); |
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} |
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if (GUI.Button(rect, content, style)) |
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{ |
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UnityEngine.Object target = TimelineEditor.inspectedDirector; |
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if (target == null) |
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target = TimelineEditor.inspectedAsset; |
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if (target != null) |
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{ |
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bool ping = true; |
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if (label.mode == TitleMode.PrefabOutOfContext) |
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{ |
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var gameObject = PrefabUtility.GetRootGameObject(target); |
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if (gameObject != null) |
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{ |
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target = gameObject; // ping the prefab root if it's locked. |
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if (!TimelineWindow.instance.locked) |
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{ |
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var assetPath = AssetDatabase.GetAssetPath(gameObject); |
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if (!string.IsNullOrEmpty(assetPath)) |
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{ |
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var stage = PrefabStageUtility.OpenPrefab(assetPath); |
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if (stage != null) |
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ping = false; |
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} |
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} |
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} |
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} |
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if (ping) |
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{ |
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EditorGUIUtility.PingObject(target); |
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} |
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} |
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} |
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return rect; |
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} |
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} |
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}
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