public static string GenerateUXML(VisualTreeAsset vta, string vtaPath, bool writingToFile = false)
{
var stringBuilder = new StringBuilder();
if ((vta.visualElementAssets == null || vta.visualElementAssets.Count <= 0) &&
(vta.templateAssets == null || vta.templateAssets.Count <= 0))
{
stringBuilder.Append(BuilderConstants.UxmlHeader);
stringBuilder.Append(">");
stringBuilder.Append(BuilderConstants.NewlineCharFromEditorSettings);
stringBuilder.Append(BuilderConstants.UxmlFooter);
stringBuilder.Append(BuilderConstants.NewlineCharFromEditorSettings);
return(stringBuilder.ToString());
}
var idToChildren = VisualTreeAssetUtilities.GenerateIdToChildren(vta);
stringBuilder.Append(BuilderConstants.UxmlHeader);
#if UNITY_2020_1_OR_NEWER
AppendHeaderAttributes(vta, stringBuilder, writingToFile);
#endif
stringBuilder.Append(">");
stringBuilder.Append(BuilderConstants.NewlineCharFromEditorSettings);
// Templates
AppendTemplateRegistrations(vta, vtaPath, stringBuilder);
GenerateUXMLFromRootElements(vta, idToChildren, stringBuilder, vtaPath, writingToFile);
stringBuilder.Append(BuilderConstants.UxmlFooter);
stringBuilder.Append(BuilderConstants.NewlineCharFromEditorSettings);
return(stringBuilder.ToString());
}
public static string GenerateUXML(VisualTreeAsset vta, string vtaPath, List <VisualElementAsset> veas)
{
var stringBuilder = new StringBuilder();
stringBuilder.Append(BuilderConstants.UxmlHeader);
stringBuilder.Append(">");
stringBuilder.Append(BuilderConstants.NewlineCharFromEditorSettings);
var idToChildren = VisualTreeAssetUtilities.GenerateIdToChildren(vta);
foreach (var vea in veas)
{
// Templates
var usedTemplates = new HashSet <string>();
GatherUsedTemplates(vta, vea, idToChildren, usedTemplates);
AppendTemplateRegistrations(vta, vtaPath, stringBuilder, usedTemplates);
GenerateUXMLRecursive(vta, vtaPath, vea, idToChildren, stringBuilder, 1, true);
}
stringBuilder.Append(BuilderConstants.UxmlFooter);
stringBuilder.Append(BuilderConstants.NewlineCharFromEditorSettings);
return(stringBuilder.ToString());
}
public static string GenerateUXML(VisualTreeAsset vta, string vtaPath, bool writingToFile = false)
{
var stringBuilder = new StringBuilder();
if ((vta.visualElementAssets == null || vta.visualElementAssets.Count <= 0) &&
(vta.templateAssets == null || vta.templateAssets.Count <= 0))
{
stringBuilder.Append(BuilderConstants.UxmlHeader);
stringBuilder.Append(BuilderConstants.UxmlFooter);
return(stringBuilder.ToString());
}
var idToChildren = VisualTreeAssetUtilities.GenerateIdToChildren(vta);
stringBuilder.Append(BuilderConstants.UxmlHeader);
// Templates
AppendTemplateRegistrations(vta, vtaPath, stringBuilder);
GenerateUXMLFromRootElements(vta, idToChildren, stringBuilder, vtaPath, writingToFile);
stringBuilder.Append(BuilderConstants.UxmlFooter);
return(stringBuilder.ToString());
}
public static void CloneTree(
VisualTreeAsset vta, VisualElement target,
Dictionary <string, VisualElement> slotInsertionPoints,
List <TemplateAsset.AttributeOverride> attributeOverrides)
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if ((vta.visualElementAssets == null || vta.visualElementAssets.Count <= 0) &&
(vta.templateAssets == null || vta.templateAssets.Count <= 0))
{
return;
}
var idToChildren = VisualTreeAssetUtilities.GenerateIdToChildren(vta);
List <VisualElementAsset> rootAssets;
// Tree root has parentId == 0
idToChildren.TryGetValue(0, out rootAssets);
if (rootAssets == null || rootAssets.Count == 0)
{
return;
}
#if !UNITY_2019_4
var uxmlRootAsset = rootAssets[0];
vta.AssignClassListFromAssetToElement(uxmlRootAsset, target);
vta.AssignStyleSheetFromAssetToElement(uxmlRootAsset, target);
// Get the first-level elements. These will be instantiated and added to target.
idToChildren.TryGetValue(uxmlRootAsset.id, out rootAssets);
if (rootAssets == null || rootAssets.Count == 0)
{
return;
}
#endif
rootAssets.Sort(VisualTreeAssetUtilities.CompareForOrder);
foreach (VisualElementAsset rootElement in rootAssets)
{
Assert.IsNotNull(rootElement);
// Don't try to instatiate the special selection tracking element.
if (rootElement.fullTypeName == BuilderConstants.SelectedVisualTreeAssetSpecialElementTypeName)
{
continue;
}
VisualElement rootVe = CloneSetupRecursively(vta, rootElement, idToChildren,
new CreationContext(slotInsertionPoints, attributeOverrides, vta, target));
// if contentContainer == this, the shadow and the logical hierarchy are identical
// otherwise, if there is a CC, we want to insert in the shadow
target.hierarchy.Add(rootVe);
}
}
public static void Swallow(this VisualTreeAsset vta, VisualElementAsset parent, VisualTreeAsset other)
{
var otherIdToChildren = VisualTreeAssetUtilities.GenerateIdToChildren(other);
if (parent == null)
{
parent = vta.GetRootUXMLElement();
}
var nextOrderInDocument = (vta.visualElementAssets.Count + vta.templateAssets.Count) * BuilderConstants.VisualTreeAssetOrderIncrement;
var assetsList = new List <VisualElementAsset>();
assetsList.AddRange(other.visualElementAssets);
assetsList.AddRange(other.templateAssets);
assetsList = assetsList.OrderBy(x => x.orderInDocument).ToList();
foreach (var asset in assetsList)
{
if (other.IsRootUXMLElement(asset))
{
continue;
}
ReinitElementWithNewParentAsset(
vta, parent, other, otherIdToChildren, asset, ref nextOrderInDocument);
}
foreach (var vea in other.visualElementAssets)
{
if (other.IsRootUXMLElement(vea))
{
continue;
}
vta.visualElementAssets.Add(vea);
}
foreach (var vea in other.templateAssets)
{
if (!vta.TemplateExists(vea.templateAlias))
{
vta.RegisterTemplate(vea.templateAlias, other.ResolveTemplate(vea.templateAlias));
}
vta.templateAssets.Add(vea);
}
VisualTreeAssetUtilities.ReOrderDocument(vta);
}
public static string GenerateUXML(VisualTreeAsset vta, string vtaPath, VisualElementAsset vea)
{
var stringBuilder = new StringBuilder();
stringBuilder.Append(BuilderConstants.UxmlHeader);
var idToChildren = VisualTreeAssetUtilities.GenerateIdToChildren(vta);
// Templates
var usedTemplates = new HashSet<string>();
GatherUsedTemplates(vta, vea, idToChildren, usedTemplates);
AppendTemplateRegistrations(vta, vtaPath, stringBuilder, usedTemplates);
GenerateUXMLRecursive(vta, vtaPath, vea, idToChildren, stringBuilder, 1, true, true);
stringBuilder.Append(BuilderConstants.UxmlFooter);
return stringBuilder.ToString();
}
public static void Swallow(this VisualTreeAsset vta, VisualElementAsset parent, VisualTreeAsset other)
{
var otherIdToChildren = VisualTreeAssetUtilities.GenerateIdToChildren(other);
if (parent == null)
{
parent = vta.GetRootUXMLElement();
}
var nextOrderInDocument = (vta.visualElementAssets.Count + vta.templateAssets.Count) * BuilderConstants.VisualTreeAssetOrderIncrement;
foreach (var vea in other.visualElementAssets)
{
if (other.IsRootUXMLElement(vea))
{
continue;
}
ReinitElementWithNewParentAsset(
vta, parent, other, otherIdToChildren, vea, ref nextOrderInDocument);
vta.visualElementAssets.Add(vea);
}
foreach (var vea in other.templateAssets)
{
ReinitElementWithNewParentAsset(
vta, parent, other, otherIdToChildren, vea, ref nextOrderInDocument);
if (!vta.TemplateExists(vea.templateAlias))
{
var path = other.GetPathFromTemplateName(vea.templateAlias);
vta.RegisterTemplate(vea.templateAlias, path);
}
vta.templateAssets.Add(vea);
}
VisualTreeAssetUtilities.ReOrderDocument(vta);
}
