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 TemplateAsset AddTemplateInstance(
this VisualTreeAsset vta, VisualElementAsset parent, string path)
{
var templateName = vta.GetTemplateNameFromPath(path);
if (!vta.TemplateExists(templateName))
{
var resolvedAsset = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>(path);
if (resolvedAsset)
{
vta.RegisterTemplate(templateName, resolvedAsset);
}
else
{
vta.RegisterTemplate(templateName, path);
}
}
var templateAsset = new TemplateAsset(templateName, BuilderConstants.UxmlInstanceTypeName);
VisualTreeAssetUtilities.InitializeElement(templateAsset);
templateAsset.AddProperty("template", templateName);
return(VisualTreeAssetUtilities.AddElementToDocument(vta, templateAsset, parent) as TemplateAsset);
}
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(">");
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());
}
internal static VisualElementAsset AddElement(
this VisualTreeAsset vta, VisualElementAsset parent, string fullTypeName, int index = -1)
{
var vea = new VisualElementAsset(fullTypeName);
VisualTreeAssetUtilities.InitializeElement(vea);
return VisualTreeAssetUtilities.AddElementToDocument(vta, vea, parent);
}
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());
}
static void ReinitElementWithNewParentAsset(
VisualTreeAsset vta, VisualElementAsset parent, VisualTreeAsset other,
Dictionary <int, List <VisualElementAsset> > otherIdToChildren,
VisualElementAsset vea, ref int nextOrderInDocument)
{
SwallowStyleRule(vta, other, vea);
// Set new parent id on root elements.
if (other.IsRootElement(vea) && parent != null)
{
vea.parentId = parent.id;
}
// Set order in document.
vea.orderInDocument = nextOrderInDocument;
nextOrderInDocument += BuilderConstants.VisualTreeAssetOrderIncrement;
// Create new id and update parentId in children.
var oldId = vea.id;
vea.id = VisualTreeAssetUtilities.GenerateNewId(vta, vea);
List <VisualElementAsset> children;
if (otherIdToChildren.TryGetValue(oldId, out children) && children != null)
{
foreach (var child in children)
{
child.parentId = vea.id;
}
}
}
public static void ReparentElement(
this VisualTreeAsset vta,
VisualElementAsset elementToReparent,
VisualElementAsset newParent,
int index = -1)
{
VisualTreeAssetUtilities.ReparentElementInDocument(vta, elementToReparent, newParent, index);
}
public static VisualTreeAsset DeepCopy(this VisualTreeAsset vta)
{
var newTreeAsset = VisualTreeAssetUtilities.CreateInstance();
vta.DeepOverwrite(newTreeAsset);
return(newTreeAsset);
}
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);
}
internal static VisualElementAsset AddElement(
this VisualTreeAsset vta, VisualElementAsset parent, VisualElement visualElement, int index = -1)
{
var fullTypeName = visualElement.GetType().ToString();
var vea = new VisualElementAsset(fullTypeName);
VisualTreeAssetUtilities.InitializeElement(vea);
visualElement.SetProperty(BuilderConstants.ElementLinkedVisualElementAssetVEPropertyName, vea);
visualElement.SetProperty(BuilderConstants.ElementLinkedBelongingVisualTreeAssetVEPropertyName, vta);
var overriddenAttributes = visualElement.GetOverriddenAttributes();
foreach (var attribute in overriddenAttributes)
vea.AddProperty(attribute.Key, attribute.Value);
return VisualTreeAssetUtilities.AddElementToDocument(vta, vea, parent);
}
public static TemplateAsset AddTemplateInstance(
this VisualTreeAsset vta, VisualElementAsset parent, string path)
{
var templateName = vta.GetTemplateNameFromPath(path);
if (!vta.TemplateExists(templateName))
vta.RegisterTemplate(templateName, path);
#if UNITY_2019_4
var templateAsset = new TemplateAsset(templateName);
#else
var templateAsset = new TemplateAsset(templateName, BuilderConstants.UxmlInstanceTypeName);
#endif
VisualTreeAssetUtilities.InitializeElement(templateAsset);
templateAsset.AddProperty("template", templateName);
return VisualTreeAssetUtilities.AddElementToDocument(vta, templateAsset, parent) as TemplateAsset;
}
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);
}
static List <ITreeViewItem> GenerateControlsItemsTree()
{
var controlsTree = new List <ITreeViewItem>();
var containersItem = new BuilderLibraryTreeItem(BuilderConstants.LibraryContainersSectionHeaderName, null, null, null)
{
IsHeader = true
};
IList <ITreeViewItem> containersItemList = new List <ITreeViewItem>
{
new BuilderLibraryTreeItem("VisualElement", "VisualElement", typeof(VisualElement), () =>
{
var ve = new VisualElement();
var veMinSizeChild = new VisualElement();
veMinSizeChild.name = BuilderConstants.SpecialVisualElementInitialMinSizeName;
veMinSizeChild.AddToClassList(BuilderConstants.SpecialVisualElementInitialMinSizeClassName);
ve.Add(veMinSizeChild);
return(ve);
},
(inVta, inParent, ve) =>
{
var vea = new VisualElementAsset(typeof(VisualElement).ToString());
VisualTreeAssetUtilities.InitializeElement(vea);
inVta.AddElement(inParent, vea);
return(vea);
}),
new BuilderLibraryTreeItem("ScrollView", "ScrollView", typeof(ScrollView), () => new ScrollView()),
new BuilderLibraryTreeItem("ListView", "ListView", typeof(ListView), () => new ListView()),
new BuilderLibraryTreeItem("IMGUI Container", "VisualElement", typeof(IMGUIContainer), () => new IMGUIContainer()),
};
containersItem.AddChildren(containersItemList);
controlsTree.Add(containersItem);
var controlsItem = new BuilderLibraryTreeItem(BuilderConstants.LibraryControlsSectionHeaderName, null, null, null, null, new List <TreeViewItem <string> >
{
new BuilderLibraryTreeItem("Label", nameof(Label), typeof(Label), () => new Label("Label")),
new BuilderLibraryTreeItem("Button", nameof(Button), typeof(Button), () => new Button {
text = "Button"
}),
new BuilderLibraryTreeItem("Toggle", nameof(Toggle), typeof(Toggle), () => new Toggle("Toggle")),
new BuilderLibraryTreeItem("Scroller", nameof(Scroller), typeof(Scroller), () => new Scroller(0, 100, (v) => { }, SliderDirection.Horizontal)
{
value = 42
}),
new BuilderLibraryTreeItem("Text Field", nameof(TextField), typeof(TextField), () => new TextField("Text Field")
{
value = "filler text"
}),
new BuilderLibraryTreeItem("Foldout", nameof(Foldout), typeof(Foldout), () => new Foldout {
text = "Foldout"
}),
new BuilderLibraryTreeItem("Slider", nameof(Slider), typeof(Slider), () => new Slider("Slider", 0, 100)
{
value = 42
}),
new BuilderLibraryTreeItem("Min-Max Slider", nameof(MinMaxSlider), typeof(MinMaxSlider), () => new MinMaxSlider("Min/Max Slider", 0, 20, -10, 40)
{
value = new Vector2(10, 12)
}),
})
{
IsHeader = true
};
var numericFields = new BuilderLibraryTreeItem("Numeric Fields", null, null, null, null, new List <TreeViewItem <string> >
{
new BuilderLibraryTreeItem("Integer", nameof(IntegerField), typeof(IntegerField), () => new IntegerField("Int Field")
{
value = 42
}),
new BuilderLibraryTreeItem("Float", nameof(FloatField), typeof(FloatField), () => new FloatField("Float Field")
{
value = 42.2f
}),
new BuilderLibraryTreeItem("Long", nameof(LongField), typeof(LongField), () => new LongField("Long Field")
{
value = 42
}),
new BuilderLibraryTreeItem("Min-Max Slider", nameof(MinMaxSlider), typeof(MinMaxSlider), () => new MinMaxSlider("Min/Max Slider", 0, 20, -10, 40)
{
value = new Vector2(10, 12)
}),
new BuilderLibraryTreeItem("Slider", nameof(Slider), typeof(Slider), () => new Slider("Slider", 0, 100)
{
value = 42
}),
new BuilderLibraryTreeItem("Progress Bar", nameof(ProgressBar), typeof(ProgressBar), () => new ProgressBar()
{
title = "my-progress", value = 22
}),
new BuilderLibraryTreeItem("Vector2", nameof(Vector2Field), typeof(Vector2Field), () => new Vector2Field("Vec2 Field")),
new BuilderLibraryTreeItem("Vector3", nameof(Vector3Field), typeof(Vector3Field), () => new Vector3Field("Vec3 Field")),
new BuilderLibraryTreeItem("Vector4", nameof(Vector4Field), typeof(Vector4Field), () => new Vector4Field("Vec4 Field")),
new BuilderLibraryTreeItem("Rect", nameof(RectField), typeof(RectField), () => new RectField("Rect")),
new BuilderLibraryTreeItem("Bounds", nameof(BoundsField), typeof(BoundsField), () => new BoundsField("Bounds")),
new BuilderLibraryTreeItem("Slider (Int)", nameof(SliderInt), typeof(SliderInt), () => new SliderInt("SliderInt", 0, 100)
{
value = 42
}),
new BuilderLibraryTreeItem("Vector2 (Int)", nameof(Vector2IntField), typeof(Vector2IntField), () => new Vector2IntField("Vector2Int")),
new BuilderLibraryTreeItem("Vector3 (Int)", nameof(Vector3IntField), typeof(Vector3IntField), () => new Vector3IntField("Vector3Int")),
new BuilderLibraryTreeItem("Rect (Int)", nameof(RectIntField), typeof(RectIntField), () => new RectIntField("RectInt")),
new BuilderLibraryTreeItem("Bounds (Int)", nameof(BoundsIntField), typeof(BoundsIntField), () => new BoundsIntField("BoundsInt")),
new BuilderLibraryTreeItem("Object Field", nameof(ObjectField), typeof(ObjectField), () => new ObjectField("Object Field")
{
value = new Texture2D(10, 10)
{
name = "new_texture"
}
}),
})
{
IsEditorOnly = true, IsHeader = true
};
var valueFields = new BuilderLibraryTreeItem("Value Fields", null, null, null, null, new List <TreeViewItem <string> >
{
new BuilderLibraryTreeItem("Color", nameof(ColorField), typeof(ColorField), () => new ColorField("Color")
{
value = Color.cyan
}),
new BuilderLibraryTreeItem("Curve", nameof(CurveField), typeof(CurveField), () => new CurveField("Curve")
{
value = new AnimationCurve(new Keyframe(0, 0), new Keyframe(5, 8), new Keyframe(10, 4))
}),
new BuilderLibraryTreeItem("Gradient", nameof(GradientField), typeof(GradientField), () => new GradientField("Gradient")
{
value = new Gradient()
{
colorKeys = new[]
{
new GradientColorKey(Color.red, 0),
new GradientColorKey(Color.blue, 10),
new GradientColorKey(Color.green, 20)
}
}
})
})
{
IsEditorOnly = true, IsHeader = true
};
var choiceFields = new BuilderLibraryTreeItem("Choice Fields", null, null, null, null, new List <TreeViewItem <string> >
{
new BuilderLibraryTreeItem("Enum", nameof(EnumField), typeof(EnumField), () => new EnumField("Enum", TextAlignment.Center)),
// No UXML support for PopupField.
//new LibraryTreeItem("Popup", () => new PopupField<string>("Normal Field", choices, 0)),
new BuilderLibraryTreeItem("Tag", nameof(TagField), typeof(TagField), () => new TagField("Tag", "Player")),
new BuilderLibraryTreeItem("Mask", nameof(MaskField), typeof(MaskField), () => new MaskField("Mask")),
new BuilderLibraryTreeItem("Layer", nameof(LayerField), typeof(LayerField), () => new LayerField("Layer")),
new BuilderLibraryTreeItem("LayerMask", nameof(LayerMaskField), typeof(LayerMaskField), () => new LayerMaskField("LayerMask"))
})
{
IsEditorOnly = true, IsHeader = true
};
var toolbar = new BuilderLibraryTreeItem("Toolbar", null, null, null, null, new List <TreeViewItem <string> >
{
new BuilderLibraryTreeItem("Toolbar", "ToolbarElement", typeof(Toolbar), () => new Toolbar()),
new BuilderLibraryTreeItem("Toolbar Menu", "ToolbarElement", typeof(ToolbarMenu), () => new ToolbarMenu()),
new BuilderLibraryTreeItem("Toolbar Button", "ToolbarElement", typeof(ToolbarButton), () => new ToolbarButton {
text = "Button"
}),
new BuilderLibraryTreeItem("Toolbar Spacer", "ToolbarElement", typeof(ToolbarSpacer), () => new ToolbarSpacer()),
new BuilderLibraryTreeItem("Toolbar Toggle", "ToolbarElement", typeof(ToolbarToggle), () => new ToolbarToggle {
label = "Toggle"
}),
#if UNITY_2019_3_OR_NEWER
new BuilderLibraryTreeItem("Toolbar Breadcrumbs", "ToolbarElement", typeof(ToolbarBreadcrumbs), () => new ToolbarBreadcrumbs()),
#endif
new BuilderLibraryTreeItem("Toolbar Search Field", "ToolbarElement", typeof(ToolbarSearchField), () => new ToolbarSearchField()),
new BuilderLibraryTreeItem("Toolbar Popup Search Field", "ToolbarElement", typeof(ToolbarPopupSearchField), () => new ToolbarPopupSearchField()),
})
{
IsEditorOnly = true, IsHeader = true
};
var inspectors = new BuilderLibraryTreeItem("Inspectors", null, null, null, null, new List <TreeViewItem <string> >
{
new BuilderLibraryTreeItem("PropertyField", nameof(PropertyField), typeof(PropertyField), () => new PropertyField())
})
{
IsEditorOnly = true, IsHeader = true
};
controlsTree.Add(controlsItem);
controlsTree.Add(numericFields);
controlsTree.Add(valueFields);
controlsTree.Add(choiceFields);
controlsTree.Add(toolbar);
controlsTree.Add(inspectors);
return(controlsTree);
}
internal static VisualElementAsset AddElement(
this VisualTreeAsset vta, VisualElementAsset parent, VisualElementAsset vea)
{
return(VisualTreeAssetUtilities.AddElementToDocument(vta, vea, parent));
}
public bool SaveNewDocument(
VisualElement documentRootElement, bool isSaveAs,
out bool needsFullRefresh,
string manualUxmlPath = null)
{
needsFullRefresh = false;
ClearUndo();
// Re-use or ask the user for the UXML path.
var newUxmlPath = uxmlPath;
if (string.IsNullOrEmpty(newUxmlPath) || isSaveAs)
{
if (!string.IsNullOrEmpty(manualUxmlPath))
{
newUxmlPath = manualUxmlPath;
}
else
{
newUxmlPath = BuilderDialogsUtility.DisplaySaveFileDialog("Save UXML", null, null, "uxml");
if (newUxmlPath == null) // User cancelled the save dialog.
{
return(false);
}
}
}
List <BuilderDocumentOpenUSS> savedUSSFiles = new List <BuilderDocumentOpenUSS>();
// Save USS files.
foreach (var openUSSFile in m_OpenUSSFiles)
{
if (openUSSFile.SaveToDisk(visualTreeAsset))
{
savedUSSFiles.Add(openUSSFile);
}
}
var oldUxmlTest = m_VisualTreeAssetBackup?.GenerateUXML(m_OpenendVisualTreeAssetOldPath, true);
// Save UXML files
// Saving all open UXML files to ensure references correct upon changes in child documents.
foreach (var openUXMLFile in openUXMLFiles)
{
openUXMLFile.PreSaveSyncBackup();
}
bool shouldSave = m_OpenendVisualTreeAssetOldPath != newUxmlPath;
var uxmlText = visualTreeAsset.GenerateUXML(newUxmlPath, true);
if (uxmlText != null)
{
if (!shouldSave && m_VisualTreeAssetBackup)
{
shouldSave = oldUxmlTest != uxmlText;
}
if (shouldSave)
{
WriteUXMLToFile(newUxmlPath, uxmlText);
}
}
// Once we wrote all the files to disk, we refresh the DB and reload
// the files from the AssetDatabase.
m_DocumentBeingSavedExplicitly = true;
try
{
AssetDatabase.Refresh();
}
finally
{
m_DocumentBeingSavedExplicitly = false;
}
// Reorder document after reimporting
VisualTreeAssetUtilities.ReOrderDocument(m_VisualTreeAsset);
// Check if any USS assets have changed reload them.
foreach (var openUSSFile in savedUSSFiles)
{
needsFullRefresh |= openUSSFile.PostSaveToDiskChecksAndFixes();
}
// Check if any UXML assets have changed and reload them.
// Saving all open UXML files to ensure references correct upon changes in child subdocuments.
foreach (var openUXMLFile in openUXMLFiles)
{
needsFullRefresh |= openUXMLFile.PostSaveToDiskChecksAndFixes(this == openUXMLFile ? newUxmlPath : null, needsFullRefresh);
}
if (needsFullRefresh)
{
// Copy previous document settings.
if (m_Settings != null)
{
m_Settings.UxmlGuid = AssetDatabase.AssetPathToGUID(newUxmlPath);
m_Settings.UxmlPath = newUxmlPath;
m_Settings.SaveSettingsToDisk();
}
// Reset asset name.
m_VisualTreeAsset.name = Path.GetFileNameWithoutExtension(newUxmlPath);
m_OpenendVisualTreeAssetOldPath = newUxmlPath;
}
if (documentRootElement != null)
{
ReloadDocumentToCanvas(documentRootElement);
}
hasUnsavedChanges = false;
return(true);
}
void RefreshTreeView()
{
Clear();
LibraryTreeItem.ResetNextId();
var items = new List <ITreeViewItem>();
var unityItem = new LibraryTreeItem("Unity", () => null);
unityItem.isHeader = true;
IList <ITreeViewItem> unityItemList = new List <ITreeViewItem>()
{
new LibraryTreeItem("VisualElement",
() =>
{
var ve = new VisualElement();
var veMinSizeChild = new VisualElement();
veMinSizeChild.name = BuilderConstants.SpecialVisualElementInitialMinSizeName;
veMinSizeChild.AddToClassList(BuilderConstants.SpecialVisualElementInitialMinSizeClassName);
ve.Add(veMinSizeChild);
return(ve);
},
(inVta, inParent) =>
{
var vea = new VisualElementAsset(typeof(VisualElement).ToString());
VisualTreeAssetUtilities.InitializeElement(vea);
inVta.AddElement(inParent, vea);
return(vea);
}),
new LibraryTreeItem("Button", () => new Button()
{
text = "Button"
}),
new LibraryTreeItem("Scroller", () => new Scroller(0, 100, (v) => { }, SliderDirection.Horizontal)
{
value = 42
}),
new LibraryTreeItem("Toggle", () => new Toggle("Toggle")),
new LibraryTreeItem("Label", () => new Label("Label")),
new LibraryTreeItem("Text Field", () => new TextField("Text Field")
{
value = "filler text"
}),
new LibraryTreeItem("Object Field", () => new ObjectField("Object Field")
{
value = new Texture2D(10, 10)
{
name = "new_texture"
}
}),
new LibraryTreeItem("Foldout", () => new Foldout()
{
text = "Foldout"
}),
new LibraryTreeItem("Numeric Fields", () => null, null, new List <TreeViewItem <string> >()
{
new LibraryTreeItem("Integer", () => new IntegerField("Int Field")
{
value = 42
}),
new LibraryTreeItem("Float", () => new FloatField("Float Field")
{
value = 42.2f
}),
new LibraryTreeItem("Long", () => new LongField("Long Field")
{
value = 42
}),
new LibraryTreeItem("Min-Max Slider", () => new MinMaxSlider("Min/Max Slider", 0, 20, -10, 40)
{
value = new Vector2(10, 12)
}),
new LibraryTreeItem("Slider", () => new Slider("Slider", 0, 100)
{
value = 42
}),
new LibraryTreeItem("Progress Bar", () => new ProgressBar()
{
title = "my-progress", value = 22
}),
new LibraryTreeItem("Vector2", () => new Vector2Field("Vec2 Field")),
new LibraryTreeItem("Vector3", () => new Vector3Field("Vec3 Field")),
new LibraryTreeItem("Vector4", () => new Vector4Field("Vec4 Field")),
new LibraryTreeItem("Rect", () => new RectField("Rect")),
new LibraryTreeItem("Bounds", () => new BoundsField("Bounds")),
new LibraryTreeItem("Slider (Int)", () => new SliderInt("SliderInt", 0, 100)
{
value = 42
}),
new LibraryTreeItem("Vector2 (Int)", () => new Vector2IntField("Vector2Int")),
new LibraryTreeItem("Vector3 (Int)", () => new Vector3IntField("Vector3Int")),
new LibraryTreeItem("Rect (Int)", () => new RectIntField("RectInt")),
new LibraryTreeItem("Bounds (Int)", () => new BoundsIntField("BoundsInt"))
}),
new LibraryTreeItem("Value Fields", () => null, null, new List <TreeViewItem <string> >()
{
new LibraryTreeItem("Color", () => new ColorField("Color")
{
value = Color.cyan
}),
new LibraryTreeItem("Curve", () => new CurveField("Curve")
{
value = new AnimationCurve(new Keyframe[] { new Keyframe(0, 0), new Keyframe(5, 8), new Keyframe(10, 4) })
}),
new LibraryTreeItem("Gradient", () => new GradientField("Gradient")
{
value = new Gradient()
{
colorKeys = new GradientColorKey[]
{
new GradientColorKey(Color.red, 0),
new GradientColorKey(Color.blue, 10),
new GradientColorKey(Color.green, 20)
}
}
})
}),
new LibraryTreeItem("Choice Fields", () => null, null, new List <TreeViewItem <string> >()
{
new LibraryTreeItem("Enum", () => new EnumField("Enum", TextAlignment.Center)),
// No UXML support for PopupField.
//new LibraryTreeItem("Popup", () => new PopupField<string>("Normal Field", choices, 0)),
new LibraryTreeItem("Tag", () => new TagField("Tag", "Player")),
new LibraryTreeItem("Mask", () => new MaskField("Mask")),
new LibraryTreeItem("Layer", () => new LayerField("Layer")),
new LibraryTreeItem("LayerMask", () => new LayerMaskField("LayerMask"))
}),
new LibraryTreeItem("Containers", () => null, null, new List <TreeViewItem <string> >()
{
new LibraryTreeItem("ScrollView", () => new ScrollView()),
new LibraryTreeItem("ListView", () => new ListView()),
new LibraryTreeItem("IMGUIContainer", () => new IMGUIContainer()),
}),
new LibraryTreeItem("Toolbar", () => null, null, new List <TreeViewItem <string> >()
{
new LibraryTreeItem("Toolbar", () => new Toolbar()),
new LibraryTreeItem("Toolbar Menu", () => new ToolbarMenu()),
new LibraryTreeItem("Toolbar Button", () => new ToolbarButton {
text = "Button"
}),
new LibraryTreeItem("Toolbar Spacer", () => new ToolbarSpacer()),
new LibraryTreeItem("Toolbar Toggle", () => new ToolbarToggle {
label = "Toggle"
}),
#if UNITY_2019_3_OR_NEWER
new LibraryTreeItem("Toolbar Breadcrumbs", () => new ToolbarBreadcrumbs()),
#endif
new LibraryTreeItem("Toolbar Search Field", () => new ToolbarSearchField()),
new LibraryTreeItem("Toolbar Popup Search Field", () => new ToolbarPopupSearchField()),
}),
new LibraryTreeItem("Inspectors", () => null, null, new List <TreeViewItem <string> >()
{
new LibraryTreeItem("PropertyField", () => new PropertyField())
}),
};
unityItem.AddChildren(unityItemList);
items.Add(unityItem);
// From Project
var fromProjectCategory = new LibraryTreeItem("Project", () => null);
fromProjectCategory.isHeader = true;
items.Add(fromProjectCategory);
ImportUxmlFromProject(fromProjectCategory);
ImportFactoriesFromSource(fromProjectCategory);
var treeView = new TreeView()
{
name = k_TreeViewName
};
treeView.AddToClassList(k_TreeViewClassName);
Add(treeView);
treeView.viewDataKey = "samples-tree";
treeView.itemHeight = 20;
treeView.rootItems = items;
treeView.makeItem = () => MakeItem(); // This is apparently more optimal than "= MakeItem;".
treeView.bindItem = (e, i) => BindItem(e, i);
#if UNITY_2020_1_OR_NEWER
treeView.onItemsChosen += (s) => OnItemsChosen(s);
#else
treeView.onItemChosen += (s) => OnItemChosen(s);
#endif
treeView.Refresh();
// Make sure the Hierarchy View gets focus when the pane gets focused.
primaryFocusable = treeView.Q <ListView>();
// Auto-expand all items on load.
foreach (var item in treeView.rootItems)
{
treeView.ExpandItem(item.id);
}
}