internal static VisualElement Create(UIElementsSamples.SampleTreeItem item)
{
var panelContainer = new ScrollView();
panelContainer.name = s_StylesExplorerName;
panelContainer.AddToClassList(s_StylesExplorerClassName);
var innerContainer = new VisualElement();
panelContainer.Add(innerContainer);
innerContainer.AddToClassList(s_ScrollViewContainerClassName);
innerContainer.RegisterCallback <GeometryChangedEvent>(ContainerGeometryChange);
ContainerSetColumnCount(innerContainer);
var leftPanel = CreatePanel();
var rightPanel = CreatePanel();
leftPanel.AddToClassList(s_StylePanelDarkClassName);
rightPanel.AddToClassList(s_StylePanelLightClassName);
leftPanel.styleSheets.Add(UIElementsEditorUtility.GetCommonDarkStyleSheet());
rightPanel.styleSheets.Add(UIElementsEditorUtility.GetCommonLightStyleSheet());
innerContainer.Add(leftPanel);
innerContainer.Add(rightPanel);
return(panelContainer);
}
// VLadN: Use our own ForceDarkStyleSheet as UIToolkit version also affects parent elements
// (UIElementsEditorUtility.ForceDarkStyleSheet)
// This makes it that panels outside of graphview like node inspector and toolbar are also forced in dark incorrectly
private static void ForceDarkStyleSheet(VisualElement ele)
{
if (EditorGUIUtility.isProSkin)
{
return;
}
#if UNITY_2020_3_OR_NEWER
StyleSheet commonLightStyleSheet = UIElementsEditorUtility.GetCommonLightStyleSheet();
StyleSheet commonDarkStyleSheet = UIElementsEditorUtility.GetCommonDarkStyleSheet();
#else
StyleSheet commonLightStyleSheet = UIElementsEditorUtility.s_DefaultCommonLightStyleSheet;
StyleSheet commonDarkStyleSheet = UIElementsEditorUtility.s_DefaultCommonDarkStyleSheet;
#endif
VisualElement visualElement = ele;
{
VisualElementStyleSheetSet styleSheets = visualElement.styleSheets;
if (styleSheets.Contains(commonLightStyleSheet))
{
styleSheets = visualElement.styleSheets;
styleSheets.Swap(commonLightStyleSheet, commonDarkStyleSheet);
}
}
}
public static bool IsUnityEditorStyleSheet(this StyleSheet styleSheet)
{
if ((UIElementsEditorUtility.IsCommonDarkStyleSheetLoaded() && styleSheet == UIElementsEditorUtility.GetCommonDarkStyleSheet()) ||
(UIElementsEditorUtility.IsCommonLightStyleSheetLoaded() && styleSheet == UIElementsEditorUtility.GetCommonLightStyleSheet()))
{
return(true);
}
return(false);
}
void ApplyCanvasTheme(VisualElement element, BuilderDocument.CanvasTheme theme, ThemeStyleSheet customThemeSheet)
{
if (element == null)
{
return;
}
// Find the runtime stylesheet.
var runtimeStyleSheet = BuilderPackageUtilities.LoadAssetAtPath <StyleSheet>(BuilderConstants.RuntimeThemeUSSPath);
if (runtimeStyleSheet == null)
#if !UI_BUILDER_PACKAGE || UNITY_2021_1_OR_NEWER
{ runtimeStyleSheet = UIElementsEditorUtility.GetCommonLightStyleSheet(); }
#else
{ runtimeStyleSheet = UIElementsEditorUtility.s_DefaultCommonLightStyleSheet; }
#endif
// Remove any null stylesheet. This may occur if an used theme has been deleted.
// This should be handle by ui toolkit
var i = 0;
if (element.styleSheetList != null)
{
while (i < element.styleSheetList.Count)
{
var sheet = element.styleSheetList[i];
if (sheet == null)
{
element.styleSheetList?.Remove(sheet);
if (element.styleSheetList.Count == 0)
{
element.styleSheetList = null;
break;
}
}
else
{
i++;
}
}
}
// Should remove the previous custom theme stylesheet
if (m_LastCustomTheme)
{
element.styleSheets.Remove(m_LastCustomTheme);
}
#if !UI_BUILDER_PACKAGE || UNITY_2021_1_OR_NEWER
element.styleSheets.Remove(UIElementsEditorUtility.GetCommonDarkStyleSheet());
element.styleSheets.Remove(UIElementsEditorUtility.GetCommonLightStyleSheet());
#else
element.styleSheets.Remove(UIElementsEditorUtility.s_DefaultCommonDarkStyleSheet);
element.styleSheets.Remove(UIElementsEditorUtility.s_DefaultCommonLightStyleSheet);
#endif
element.styleSheets.Remove(runtimeStyleSheet);
m_Viewport.canvas.defaultBackgroundElement.style.display = DisplayStyle.Flex;
StyleSheet themeStyleSheet = null;
m_Viewport.canvas.checkerboardBackgroundElement.style.display = DisplayStyle.None;
switch (theme)
{
case BuilderDocument.CanvasTheme.Dark:
#if !UI_BUILDER_PACKAGE || UNITY_2021_1_OR_NEWER
themeStyleSheet = UIElementsEditorUtility.GetCommonDarkStyleSheet();
#else
themeStyleSheet = UIElementsEditorUtility.s_DefaultCommonDarkStyleSheet;
#endif
break;
case BuilderDocument.CanvasTheme.Light:
#if !UI_BUILDER_PACKAGE || UNITY_2021_1_OR_NEWER
themeStyleSheet = UIElementsEditorUtility.GetCommonLightStyleSheet();
#else
themeStyleSheet = UIElementsEditorUtility.s_DefaultCommonLightStyleSheet;
#endif
break;
case BuilderDocument.CanvasTheme.Runtime:
themeStyleSheet = runtimeStyleSheet;
m_Viewport.canvas.defaultBackgroundElement.style.display = DisplayStyle.None;
m_Viewport.canvas.checkerboardBackgroundElement.style.display = DisplayStyle.Flex;
break;
case BuilderDocument.CanvasTheme.Default:
themeStyleSheet = null;
break;
case BuilderDocument.CanvasTheme.Custom:
m_LastCustomTheme = customThemeSheet;
themeStyleSheet = customThemeSheet;
break;
}
if (themeStyleSheet != null)
{
element.styleSheets.Add(themeStyleSheet);
}
}
void ApplyCanvasTheme(VisualElement element, BuilderDocument.CanvasTheme theme, ThemeStyleSheet customThemeSheet)
{
if (element == null)
{
return;
}
// Remove any null stylesheet. This may occur if an used theme has been deleted.
// This should be handle by ui toolkit
var i = 0;
if (element.styleSheetList != null)
{
while (i < element.styleSheetList.Count)
{
var sheet = element.styleSheetList[i];
if (sheet == null)
{
element.styleSheetList?.Remove(sheet);
if (element.styleSheetList.Count == 0)
{
element.styleSheetList = null;
break;
}
}
else
{
i++;
}
}
}
// Should remove the previous custom theme stylesheet
if (m_LastCustomTheme)
{
element.styleSheets.Remove(m_LastCustomTheme);
m_LastCustomTheme = null;
}
// We verify whether the styles are loaded beforehand because calling GetCommonXXXStyleSheet() will load them unecessarily in this case
if (UIElementsEditorUtility.IsCommonDarkStyleSheetLoaded())
{
element.styleSheets.Remove(UIElementsEditorUtility.GetCommonDarkStyleSheet());
}
if (UIElementsEditorUtility.IsCommonLightStyleSheetLoaded())
{
element.styleSheets.Remove(UIElementsEditorUtility.GetCommonLightStyleSheet());
}
m_Viewport.canvas.defaultBackgroundElement.style.display = DisplayStyle.Flex;
StyleSheet themeStyleSheet = null;
m_Viewport.canvas.checkerboardBackgroundElement.style.display = DisplayStyle.None;
switch (theme)
{
case BuilderDocument.CanvasTheme.Dark:
themeStyleSheet = UIElementsEditorUtility.GetCommonDarkStyleSheet();
break;
case BuilderDocument.CanvasTheme.Light:
themeStyleSheet = UIElementsEditorUtility.GetCommonLightStyleSheet();
break;
case BuilderDocument.CanvasTheme.Default:
themeStyleSheet = EditorGUIUtility.isProSkin ? UIElementsEditorUtility.GetCommonDarkStyleSheet() : UIElementsEditorUtility.GetCommonLightStyleSheet();
break;
case BuilderDocument.CanvasTheme.Custom:
m_Viewport.canvas.defaultBackgroundElement.style.display = DisplayStyle.None;
m_Viewport.canvas.checkerboardBackgroundElement.style.display = DisplayStyle.Flex;
m_LastCustomTheme = customThemeSheet;
themeStyleSheet = customThemeSheet;
break;
default:
break;
}
if (themeStyleSheet != null)
{
element.styleSheets.Add(themeStyleSheet);
}
element.SetProperty(BuilderConstants.ElementLinkedActiveThemeStyleSheetVEPropertyName, themeStyleSheet);
}
public StyleSheet GetUIToolkitDefaultCommonDarkStyleSheet() => UIElementsEditorUtility.GetCommonDarkStyleSheet();